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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/mach-pxa | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-pxa')
54 files changed, 10455 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig new file mode 100644 index 0000000000..10e472f4fa --- /dev/null +++ b/arch/arm/mach-pxa/Kconfig @@ -0,0 +1,174 @@ +# SPDX-License-Identifier: GPL-2.0-only +menuconfig ARCH_PXA + bool "PXA2xx/PXA3xx-based" + depends on ARCH_MULTI_V5 + depends on CPU_LITTLE_ENDIAN + select ARM_CPU_SUSPEND if PM + select CLKSRC_PXA + select CLKSRC_MMIO + select TIMER_OF + select CPU_XSCALE if !CPU_XSC3 + select GPIO_PXA + select GPIOLIB + select PLAT_PXA + help + Support for Intel/Marvell's PXA2xx/PXA3xx processor line. + +if ARCH_PXA + +config MACH_PXA25X_DT + bool "Support PXA25x platforms from device tree" + select PINCTRL + select POWER_SUPPLY + select PXA25x + select USE_OF + help + Include support for Marvell PXA25x based platforms using + the device tree. Needn't select any other machine while + MACH_PXA25x_DT is enabled. + +config MACH_PXA27X_DT + bool "Support PXA27x platforms from device tree" + select PINCTRL + select POWER_SUPPLY + select PXA27x + select USE_OF + help + Include support for Marvell PXA27x based platforms using + the device tree. Needn't select any other machine while + MACH_PXA27X_DT is enabled. + +config MACH_PXA3XX_DT + bool "Support PXA3xx platforms from device tree" + select CPU_PXA300 + select CPU_PXA310 + select CPU_PXA320 + select PINCTRL + select POWER_SUPPLY + select PXA3xx + select USE_OF + help + Include support for Marvell PXA3xx based platforms using + the device tree. Needn't select any other machine while + MACH_PXA3XX_DT is enabled. + +if ATAGS + +comment "Legacy board files" + +config ARCH_GUMSTIX + bool "Gumstix XScale 255 boards" + select PXA25x + help + Say Y here if you intend to run this kernel on + Basix, Connex, ws-200ax, ws-400ax systems + +choice + prompt "Gumstix Carrier/Expansion Board" + depends on ARCH_GUMSTIX + +config GUMSTIX_AM200EPD + bool "Enable AM200EPD board support" + +config GUMSTIX_AM300EPD + bool "Enable AM300EPD board support" + +endchoice + +config PXA_SHARPSL + bool "SHARP Zaurus SL-5600, SL-C7xx and SL-Cxx00 Models" + select SHARP_PARAM + select SHARP_SCOOP + help + Say Y here if you intend to run this kernel on a + Sharp Zaurus SL-5600 (Poodle), SL-C700 (Corgi), + SL-C750 (Shepherd), SL-C760 (Husky), SL-C1000 (Akita), + SL-C3000 (Spitz), SL-C3100 (Borzoi) or SL-C6000x (Tosa) + handheld computer. + +config PXA_SHARPSL_DETECT_MACH_ID + bool "Detect machine ID at run-time in the decompressor" + depends on PXA_SHARPSL + help + Say Y here if you want the zImage decompressor to detect + the Zaurus machine ID at run-time. For latest kexec-based + boot loader, this is not necessary. + +config MACH_AKITA + bool "Enable Sharp SL-1000 (Akita) Support" + depends on PXA_SHARPSL + select I2C + select I2C_PXA + select MACH_SPITZ + select PXA27x + select PXA_SHARP_Cxx00 + +config MACH_SPITZ + bool "Enable Sharp Zaurus SL-3000 (Spitz) Support" + depends on PXA_SHARPSL + select PXA27x + select PXA_SHARP_Cxx00 + +config MACH_BORZOI + bool "Enable Sharp Zaurus SL-3100 (Borzoi) Support" + depends on PXA_SHARPSL + select PXA27x + select PXA_SHARP_Cxx00 + +endif # ATAGS + +config PXA25x + bool + select CPU_XSCALE + help + Select code specific to PXA21x/25x/26x variants + +config PXA27x + bool + select CPU_XSCALE + help + Select code specific to PXA27x variants + +config PXA3xx + bool + select CPU_XSC3 + help + Select code specific to PXA3xx variants + +config CPU_PXA300 + bool + select PXA3xx + help + PXA300 (codename Monahans-L) + +config CPU_PXA310 + bool + select CPU_PXA300 + help + PXA310 (codename Monahans-LV) + +config CPU_PXA320 + bool + select PXA3xx + help + PXA320 (codename Monahans-P) + +config PXA_SHARP_Cxx00 + bool + select SHARPSL_PM + help + Enable common support for Sharp Cxx00 models + +config SHARPSL_PM + bool + select APM_EMULATION + select SHARPSL_PM_MAX1111 + +config SHARPSL_PM_MAX1111 + bool + select HWMON + select SENSORS_MAX1111 + select SPI + select SPI_MASTER + +endif diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile new file mode 100644 index 0000000000..faccdd3564 --- /dev/null +++ b/arch/arm/mach-pxa/Makefile @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the linux kernel. +# + +# Common support (must be linked before board specific support) +obj-y += devices.o generic.o irq.o reset.o +obj-$(CONFIG_PM) += pm.o sleep.o standby.o + +# Generic drivers that other drivers may depend upon + +# SoC-specific code +obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o +obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa2xx.o pxa27x.o +obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o +obj-$(CONFIG_CPU_PXA300) += pxa300.o +obj-$(CONFIG_CPU_PXA320) += pxa320.o + +# NOTE: keep the order of boards in accordance to their order in Kconfig + +# Device Tree support +obj-$(CONFIG_MACH_PXA25X_DT) += pxa-dt.o +obj-$(CONFIG_MACH_PXA27X_DT) += pxa-dt.o +obj-$(CONFIG_MACH_PXA3XX_DT) += pxa-dt.o + +# 3rd Party Dev Platforms +obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o +obj-$(CONFIG_GUMSTIX_AM200EPD) += am200epd.o +obj-$(CONFIG_GUMSTIX_AM300EPD) += am300epd.o + +# End-user Products +obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o sharpsl_pm.o spitz_pm.o diff --git a/arch/arm/mach-pxa/addr-map.h b/arch/arm/mach-pxa/addr-map.h new file mode 100644 index 0000000000..93cfe7dbfe --- /dev/null +++ b/arch/arm/mach-pxa/addr-map.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_MACH_ADDR_MAP_H +#define __ASM_MACH_ADDR_MAP_H + +/* + * Chip Selects + */ +#define PXA_CS0_PHYS 0x00000000 +#define PXA_CS1_PHYS 0x04000000 +#define PXA_CS2_PHYS 0x08000000 +#define PXA_CS3_PHYS 0x0C000000 +#define PXA_CS4_PHYS 0x10000000 +#define PXA_CS5_PHYS 0x14000000 + +#define PXA300_CS0_PHYS 0x00000000 /* PXA300/PXA310 _only_ */ +#define PXA300_CS1_PHYS 0x30000000 /* PXA300/PXA310 _only_ */ +#define PXA3xx_CS2_PHYS 0x10000000 +#define PXA3xx_CS3_PHYS 0x14000000 + +/* + * Peripheral Bus + */ +#define PERIPH_PHYS 0x40000000 +#define PERIPH_VIRT IOMEM(0xf2000000) +#define PERIPH_SIZE 0x02000000 + +/* + * Static Memory Controller (w/ SDRAM controls on PXA25x/PXA27x) + */ +#define PXA2XX_SMEMC_PHYS 0x48000000 +#define PXA3XX_SMEMC_PHYS 0x4a000000 +#define SMEMC_VIRT IOMEM(0xf6000000) +#define SMEMC_SIZE 0x00100000 + +/* + * Dynamic Memory Controller (only on PXA3xx) + */ +#define DMEMC_PHYS 0x48100000 +#define DMEMC_VIRT IOMEM(0xf6100000) +#define DMEMC_SIZE 0x00100000 + +/* + * Reserved space for low level debug virtual addresses within + * 0xf6200000..0xf6201000 + */ + +/* + * DFI Bus for NAND, PXA3xx only + */ +#define NAND_PHYS 0x43100000 +#define NAND_VIRT IOMEM(0xf6300000) +#define NAND_SIZE 0x00100000 + +/* + * Internal Memory Controller (PXA27x and later) + */ +#define IMEMC_PHYS 0x58000000 +#define IMEMC_VIRT IOMEM(0xfe000000) +#define IMEMC_SIZE 0x00100000 + +#endif /* __ASM_MACH_ADDR_MAP_H */ diff --git a/arch/arm/mach-pxa/am200epd.c b/arch/arm/mach-pxa/am200epd.c new file mode 100644 index 0000000000..cac0bb09db --- /dev/null +++ b/arch/arm/mach-pxa/am200epd.c @@ -0,0 +1,395 @@ +/* + * am200epd.c -- Platform device for AM200 EPD kit + * + * Copyright (C) 2008, Jaya Kumar + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven. + * + * This work was made possible by help and equipment support from E-Ink + * Corporation. http://support.eink.com/community + * + * This driver is written to be used with the Metronome display controller. + * on the AM200 EPD prototype kit/development kit with an E-Ink 800x600 + * Vizplex EPD on a Gumstix board using the Lyre interface board. + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/gpio.h> + +#include "pxa25x.h" +#include "gumstix.h" +#include <linux/platform_data/video-pxafb.h> + +#include "generic.h" + +#include <video/metronomefb.h> + +static unsigned int panel_type = 6; +static struct platform_device *am200_device; +static struct metronome_board am200_board; + +static struct pxafb_mode_info am200_fb_mode_9inch7 = { + .pixclock = 40000, + .xres = 1200, + .yres = 842, + .bpp = 16, + .hsync_len = 2, + .left_margin = 2, + .right_margin = 2, + .vsync_len = 1, + .upper_margin = 2, + .lower_margin = 25, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, +}; + +static struct pxafb_mode_info am200_fb_mode_8inch = { + .pixclock = 40000, + .xres = 1088, + .yres = 791, + .bpp = 16, + .hsync_len = 28, + .left_margin = 8, + .right_margin = 30, + .vsync_len = 8, + .upper_margin = 10, + .lower_margin = 8, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, +}; + +static struct pxafb_mode_info am200_fb_mode_6inch = { + .pixclock = 40189, + .xres = 832, + .yres = 622, + .bpp = 16, + .hsync_len = 28, + .left_margin = 34, + .right_margin = 34, + .vsync_len = 25, + .upper_margin = 0, + .lower_margin = 2, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, +}; + +static struct pxafb_mach_info am200_fb_info = { + .modes = &am200_fb_mode_6inch, + .num_modes = 1, + .lcd_conn = LCD_TYPE_COLOR_TFT | LCD_PCLK_EDGE_FALL | + LCD_AC_BIAS_FREQ(24), +}; + +/* register offsets for gpio control */ +#define LED_GPIO_PIN 51 +#define STDBY_GPIO_PIN 48 +#define RST_GPIO_PIN 49 +#define RDY_GPIO_PIN 32 +#define ERR_GPIO_PIN 17 +#define PCBPWR_GPIO_PIN 16 +static int gpios[] = { LED_GPIO_PIN , STDBY_GPIO_PIN , RST_GPIO_PIN, + RDY_GPIO_PIN, ERR_GPIO_PIN, PCBPWR_GPIO_PIN }; +static char *gpio_names[] = { "LED" , "STDBY" , "RST", "RDY", "ERR", "PCBPWR" }; + +static int am200_init_gpio_regs(struct metronomefb_par *par) +{ + int i; + int err; + + for (i = 0; i < ARRAY_SIZE(gpios); i++) { + err = gpio_request(gpios[i], gpio_names[i]); + if (err) { + dev_err(&am200_device->dev, "failed requesting " + "gpio %s, err=%d\n", gpio_names[i], err); + goto err_req_gpio; + } + } + + gpio_direction_output(LED_GPIO_PIN, 0); + gpio_direction_output(STDBY_GPIO_PIN, 0); + gpio_direction_output(RST_GPIO_PIN, 0); + + gpio_direction_input(RDY_GPIO_PIN); + gpio_direction_input(ERR_GPIO_PIN); + + gpio_direction_output(PCBPWR_GPIO_PIN, 0); + + return 0; + +err_req_gpio: + while (--i >= 0) + gpio_free(gpios[i]); + + return err; +} + +static void am200_cleanup(struct metronomefb_par *par) +{ + int i; + + free_irq(PXA_GPIO_TO_IRQ(RDY_GPIO_PIN), par); + + for (i = 0; i < ARRAY_SIZE(gpios); i++) + gpio_free(gpios[i]); +} + +static int am200_share_video_mem(struct fb_info *info) +{ + /* rough check if this is our desired fb and not something else */ + if ((info->var.xres != am200_fb_info.modes->xres) + || (info->var.yres != am200_fb_info.modes->yres)) + return 0; + + /* we've now been notified that we have our new fb */ + am200_board.metromem = info->screen_base; + am200_board.host_fbinfo = info; + + /* try to refcount host drv since we are the consumer after this */ + if (!try_module_get(info->fbops->owner)) + return -ENODEV; + + return 0; +} + +static int am200_unshare_video_mem(struct fb_info *info) +{ + dev_dbg(&am200_device->dev, "ENTER %s\n", __func__); + + if (info != am200_board.host_fbinfo) + return 0; + + module_put(am200_board.host_fbinfo->fbops->owner); + return 0; +} + +static int am200_fb_notifier_callback(struct notifier_block *self, + unsigned long event, void *data) +{ + struct fb_event *evdata = data; + struct fb_info *info = evdata->info; + + dev_dbg(&am200_device->dev, "ENTER %s\n", __func__); + + if (event == FB_EVENT_FB_REGISTERED) + return am200_share_video_mem(info); + else if (event == FB_EVENT_FB_UNREGISTERED) + return am200_unshare_video_mem(info); + + return 0; +} + +static struct notifier_block am200_fb_notif = { + .notifier_call = am200_fb_notifier_callback, +}; + +/* this gets called as part of our init. these steps must be done now so + * that we can use pxa_set_fb_info */ +static void __init am200_presetup_fb(void) +{ + int fw; + int fh; + int padding_size; + int totalsize; + + switch (panel_type) { + case 6: + am200_fb_info.modes = &am200_fb_mode_6inch; + break; + case 8: + am200_fb_info.modes = &am200_fb_mode_8inch; + break; + case 97: + am200_fb_info.modes = &am200_fb_mode_9inch7; + break; + default: + dev_err(&am200_device->dev, "invalid panel_type selection," + " setting to 6\n"); + am200_fb_info.modes = &am200_fb_mode_6inch; + break; + } + + /* the frame buffer is divided as follows: + command | CRC | padding + 16kb waveform data | CRC | padding + image data | CRC + */ + + fw = am200_fb_info.modes->xres; + fh = am200_fb_info.modes->yres; + + /* waveform must be 16k + 2 for checksum */ + am200_board.wfm_size = roundup(16*1024 + 2, fw); + + padding_size = PAGE_SIZE + (4 * fw); + + /* total is 1 cmd , 1 wfm, padding and image */ + totalsize = fw + am200_board.wfm_size + padding_size + (fw*fh); + + /* save this off because we're manipulating fw after this and + * we'll need it when we're ready to setup the framebuffer */ + am200_board.fw = fw; + am200_board.fh = fh; + + /* the reason we do this adjustment is because we want to acquire + * more framebuffer memory without imposing custom awareness on the + * underlying pxafb driver */ + am200_fb_info.modes->yres = DIV_ROUND_UP(totalsize, fw); + + /* we divide since we told the LCD controller we're 16bpp */ + am200_fb_info.modes->xres /= 2; + + pxa_set_fb_info(NULL, &am200_fb_info); + +} + +/* this gets called by metronomefb as part of its init, in our case, we + * have already completed initial framebuffer init in presetup_fb so we + * can just setup the fb access pointers */ +static int am200_setup_fb(struct metronomefb_par *par) +{ + int fw; + int fh; + + fw = am200_board.fw; + fh = am200_board.fh; + + /* metromem was set up by the notifier in share_video_mem so now + * we can use its value to calculate the other entries */ + par->metromem_cmd = (struct metromem_cmd *) am200_board.metromem; + par->metromem_wfm = am200_board.metromem + fw; + par->metromem_img = par->metromem_wfm + am200_board.wfm_size; + par->metromem_img_csum = (u16 *) (par->metromem_img + (fw * fh)); + par->metromem_dma = am200_board.host_fbinfo->fix.smem_start; + + return 0; +} + +static int am200_get_panel_type(void) +{ + return panel_type; +} + +static irqreturn_t am200_handle_irq(int irq, void *dev_id) +{ + struct metronomefb_par *par = dev_id; + + wake_up_interruptible(&par->waitq); + return IRQ_HANDLED; +} + +static int am200_setup_irq(struct fb_info *info) +{ + int ret; + + ret = request_irq(PXA_GPIO_TO_IRQ(RDY_GPIO_PIN), am200_handle_irq, + IRQF_TRIGGER_FALLING, "AM200", info->par); + if (ret) + dev_err(&am200_device->dev, "request_irq failed: %d\n", ret); + + return ret; +} + +static void am200_set_rst(struct metronomefb_par *par, int state) +{ + gpio_set_value(RST_GPIO_PIN, state); +} + +static void am200_set_stdby(struct metronomefb_par *par, int state) +{ + gpio_set_value(STDBY_GPIO_PIN, state); +} + +static int am200_wait_event(struct metronomefb_par *par) +{ + return wait_event_timeout(par->waitq, gpio_get_value(RDY_GPIO_PIN), HZ); +} + +static int am200_wait_event_intr(struct metronomefb_par *par) +{ + return wait_event_interruptible_timeout(par->waitq, + gpio_get_value(RDY_GPIO_PIN), HZ); +} + +static struct metronome_board am200_board = { + .owner = THIS_MODULE, + .setup_irq = am200_setup_irq, + .setup_io = am200_init_gpio_regs, + .setup_fb = am200_setup_fb, + .set_rst = am200_set_rst, + .set_stdby = am200_set_stdby, + .met_wait_event = am200_wait_event, + .met_wait_event_intr = am200_wait_event_intr, + .get_panel_type = am200_get_panel_type, + .cleanup = am200_cleanup, +}; + +static unsigned long am200_pin_config[] __initdata = { + GPIO51_GPIO, + GPIO49_GPIO, + GPIO48_GPIO, + GPIO32_GPIO, + GPIO17_GPIO, + GPIO16_GPIO, +}; + +int __init am200_init(void) +{ + int ret; + + /* + * Before anything else, we request notification for any fb + * creation events. + * + * FIXME: This is terrible and needs to be nuked. The notifier is used + * to get at the fb base address from the boot splash fb driver, which + * is then passed to metronomefb. Instaed of metronomfb or this board + * support file here figuring this out on their own. + * + * See also the #ifdef in fbmem.c. + */ + fb_register_client(&am200_fb_notif); + + pxa2xx_mfp_config(ARRAY_AND_SIZE(am200_pin_config)); + + /* request our platform independent driver */ + request_module("metronomefb"); + + am200_device = platform_device_alloc("metronomefb", -1); + if (!am200_device) + return -ENOMEM; + + /* the am200_board that will be seen by metronomefb is a copy */ + platform_device_add_data(am200_device, &am200_board, + sizeof(am200_board)); + + /* this _add binds metronomefb to am200. metronomefb refcounts am200 */ + ret = platform_device_add(am200_device); + + if (ret) { + platform_device_put(am200_device); + fb_unregister_client(&am200_fb_notif); + return ret; + } + + am200_presetup_fb(); + + return 0; +} + +module_param(panel_type, uint, 0); +MODULE_PARM_DESC(panel_type, "Select the panel type: 6, 8, 97"); + +MODULE_DESCRIPTION("board driver for am200 metronome epd kit"); +MODULE_AUTHOR("Jaya Kumar"); +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-pxa/am300epd.c b/arch/arm/mach-pxa/am300epd.c new file mode 100644 index 0000000000..4b55bc89db --- /dev/null +++ b/arch/arm/mach-pxa/am300epd.c @@ -0,0 +1,296 @@ +/* + * am300epd.c -- Platform device for AM300 EPD kit + * + * Copyright (C) 2008, Jaya Kumar + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * This work was made possible by help and equipment support from E-Ink + * Corporation. http://support.eink.com/community + * + * This driver is written to be used with the Broadsheet display controller. + * on the AM300 EPD prototype kit/development kit with an E-Ink 800x600 + * Vizplex EPD on a Gumstix board using the Broadsheet interface board. + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/gpio.h> + +#include "gumstix.h" +#include "mfp-pxa25x.h" +#include "irqs.h" +#include <linux/platform_data/video-pxafb.h> + +#include "generic.h" + +#include <video/broadsheetfb.h> + +static unsigned int panel_type = 6; +static struct platform_device *am300_device; +static struct broadsheet_board am300_board; + +static unsigned long am300_pin_config[] __initdata = { + GPIO16_GPIO, + GPIO17_GPIO, + GPIO32_GPIO, + GPIO48_GPIO, + GPIO49_GPIO, + GPIO51_GPIO, + GPIO74_GPIO, + GPIO75_GPIO, + GPIO76_GPIO, + GPIO77_GPIO, + + /* this is the 16-bit hdb bus 58-73 */ + GPIO58_GPIO, + GPIO59_GPIO, + GPIO60_GPIO, + GPIO61_GPIO, + + GPIO62_GPIO, + GPIO63_GPIO, + GPIO64_GPIO, + GPIO65_GPIO, + + GPIO66_GPIO, + GPIO67_GPIO, + GPIO68_GPIO, + GPIO69_GPIO, + + GPIO70_GPIO, + GPIO71_GPIO, + GPIO72_GPIO, + GPIO73_GPIO, +}; + +/* register offsets for gpio control */ +#define PWR_GPIO_PIN 16 +#define CFG_GPIO_PIN 17 +#define RDY_GPIO_PIN 32 +#define DC_GPIO_PIN 48 +#define RST_GPIO_PIN 49 +#define LED_GPIO_PIN 51 +#define RD_GPIO_PIN 74 +#define WR_GPIO_PIN 75 +#define CS_GPIO_PIN 76 +#define IRQ_GPIO_PIN 77 + +/* hdb bus */ +#define DB0_GPIO_PIN 58 +#define DB15_GPIO_PIN 73 + +static int gpios[] = { PWR_GPIO_PIN, CFG_GPIO_PIN, RDY_GPIO_PIN, DC_GPIO_PIN, + RST_GPIO_PIN, RD_GPIO_PIN, WR_GPIO_PIN, CS_GPIO_PIN, + IRQ_GPIO_PIN, LED_GPIO_PIN }; +static char *gpio_names[] = { "PWR", "CFG", "RDY", "DC", "RST", "RD", "WR", + "CS", "IRQ", "LED" }; + +static int am300_wait_event(struct broadsheetfb_par *par) +{ + /* todo: improve err recovery */ + wait_event(par->waitq, gpio_get_value(RDY_GPIO_PIN)); + return 0; +} + +static int am300_init_gpio_regs(struct broadsheetfb_par *par) +{ + int i; + int err; + char dbname[8]; + + for (i = 0; i < ARRAY_SIZE(gpios); i++) { + err = gpio_request(gpios[i], gpio_names[i]); + if (err) { + dev_err(&am300_device->dev, "failed requesting " + "gpio %s, err=%d\n", gpio_names[i], err); + goto err_req_gpio; + } + } + + /* we also need to take care of the hdb bus */ + for (i = DB0_GPIO_PIN; i <= DB15_GPIO_PIN; i++) { + sprintf(dbname, "DB%d", i); + err = gpio_request(i, dbname); + if (err) { + dev_err(&am300_device->dev, "failed requesting " + "gpio %d, err=%d\n", i, err); + goto err_req_gpio2; + } + } + + /* setup the outputs and init values */ + gpio_direction_output(PWR_GPIO_PIN, 0); + gpio_direction_output(CFG_GPIO_PIN, 1); + gpio_direction_output(DC_GPIO_PIN, 0); + gpio_direction_output(RD_GPIO_PIN, 1); + gpio_direction_output(WR_GPIO_PIN, 1); + gpio_direction_output(CS_GPIO_PIN, 1); + gpio_direction_output(RST_GPIO_PIN, 0); + + /* setup the inputs */ + gpio_direction_input(RDY_GPIO_PIN); + gpio_direction_input(IRQ_GPIO_PIN); + + /* start the hdb bus as an input */ + for (i = DB0_GPIO_PIN; i <= DB15_GPIO_PIN; i++) + gpio_direction_output(i, 0); + + /* go into command mode */ + gpio_set_value(CFG_GPIO_PIN, 1); + gpio_set_value(RST_GPIO_PIN, 0); + msleep(10); + gpio_set_value(RST_GPIO_PIN, 1); + msleep(10); + am300_wait_event(par); + + return 0; + +err_req_gpio2: + while (--i >= DB0_GPIO_PIN) + gpio_free(i); + i = ARRAY_SIZE(gpios); +err_req_gpio: + while (--i >= 0) + gpio_free(gpios[i]); + + return err; +} + +static int am300_init_board(struct broadsheetfb_par *par) +{ + return am300_init_gpio_regs(par); +} + +static void am300_cleanup(struct broadsheetfb_par *par) +{ + int i; + + free_irq(PXA_GPIO_TO_IRQ(RDY_GPIO_PIN), par); + + for (i = 0; i < ARRAY_SIZE(gpios); i++) + gpio_free(gpios[i]); + + for (i = DB0_GPIO_PIN; i <= DB15_GPIO_PIN; i++) + gpio_free(i); + +} + +static u16 am300_get_hdb(struct broadsheetfb_par *par) +{ + u16 res = 0; + int i; + + for (i = 0; i <= (DB15_GPIO_PIN - DB0_GPIO_PIN) ; i++) + res |= (gpio_get_value(DB0_GPIO_PIN + i)) ? (1 << i) : 0; + + return res; +} + +static void am300_set_hdb(struct broadsheetfb_par *par, u16 data) +{ + int i; + + for (i = 0; i <= (DB15_GPIO_PIN - DB0_GPIO_PIN) ; i++) + gpio_set_value(DB0_GPIO_PIN + i, (data >> i) & 0x01); +} + + +static void am300_set_ctl(struct broadsheetfb_par *par, unsigned char bit, + u8 state) +{ + switch (bit) { + case BS_CS: + gpio_set_value(CS_GPIO_PIN, state); + break; + case BS_DC: + gpio_set_value(DC_GPIO_PIN, state); + break; + case BS_WR: + gpio_set_value(WR_GPIO_PIN, state); + break; + } +} + +static int am300_get_panel_type(void) +{ + return panel_type; +} + +static irqreturn_t am300_handle_irq(int irq, void *dev_id) +{ + struct broadsheetfb_par *par = dev_id; + + wake_up(&par->waitq); + return IRQ_HANDLED; +} + +static int am300_setup_irq(struct fb_info *info) +{ + int ret; + struct broadsheetfb_par *par = info->par; + + ret = request_irq(PXA_GPIO_TO_IRQ(RDY_GPIO_PIN), am300_handle_irq, + IRQF_TRIGGER_RISING, "AM300", par); + if (ret) + dev_err(&am300_device->dev, "request_irq failed: %d\n", ret); + + return ret; +} + +static struct broadsheet_board am300_board = { + .owner = THIS_MODULE, + .init = am300_init_board, + .cleanup = am300_cleanup, + .set_hdb = am300_set_hdb, + .get_hdb = am300_get_hdb, + .set_ctl = am300_set_ctl, + .wait_for_rdy = am300_wait_event, + .get_panel_type = am300_get_panel_type, + .setup_irq = am300_setup_irq, +}; + +int __init am300_init(void) +{ + int ret; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(am300_pin_config)); + + /* request our platform independent driver */ + request_module("broadsheetfb"); + + am300_device = platform_device_alloc("broadsheetfb", -1); + if (!am300_device) + return -ENOMEM; + + /* the am300_board that will be seen by broadsheetfb is a copy */ + platform_device_add_data(am300_device, &am300_board, + sizeof(am300_board)); + + ret = platform_device_add(am300_device); + + if (ret) { + platform_device_put(am300_device); + return ret; + } + + return 0; +} + +module_param(panel_type, uint, 0); +MODULE_PARM_DESC(panel_type, "Select the panel type: 37, 6, 97"); + +MODULE_DESCRIPTION("board driver for am300 epd kit"); +MODULE_AUTHOR("Jaya Kumar"); +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c new file mode 100644 index 0000000000..661b3fc432 --- /dev/null +++ b/arch/arm/mach-pxa/devices.c @@ -0,0 +1,723 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/clkdev.h> +#include <linux/clk-provider.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> +#include <linux/spi/pxa2xx_spi.h> +#include <linux/platform_data/i2c-pxa.h> +#include <linux/soc/pxa/cpu.h> + +#include "udc.h" +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/mmc-pxamci.h> +#include "irqs.h" +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/mmp_dma.h> + +#include "regs-ost.h" +#include "reset.h" +#include "devices.h" +#include "generic.h" + +void __init pxa_register_device(struct platform_device *dev, void *data) +{ + int ret; + + dev->dev.platform_data = data; + + ret = platform_device_register(dev); + if (ret) + dev_err(&dev->dev, "unable to register device: %d\n", ret); +} + +static struct resource pxa_resource_pmu = { + .start = IRQ_PMU, + .end = IRQ_PMU, + .flags = IORESOURCE_IRQ, +}; + +struct platform_device pxa_device_pmu = { + .name = "xscale-pmu", + .id = -1, + .resource = &pxa_resource_pmu, + .num_resources = 1, +}; + +static struct resource pxamci_resources[] = { + [0] = { + .start = 0x41100000, + .end = 0x41100fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MMC, + .end = IRQ_MMC, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 pxamci_dmamask = 0xffffffffUL; + +struct platform_device pxa_device_mci = { + .name = "pxa2xx-mci", + .id = 0, + .dev = { + .dma_mask = &pxamci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxamci_resources), + .resource = pxamci_resources, +}; + +void __init pxa_set_mci_info(struct pxamci_platform_data *info) +{ + pxa_register_device(&pxa_device_mci, info); +} + +static struct pxa2xx_udc_mach_info pxa_udc_info = { + .gpio_pullup = -1, +}; + +static struct resource pxa2xx_udc_resources[] = { + [0] = { + .start = 0x40600000, + .end = 0x4060ffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USB, + .end = IRQ_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 udc_dma_mask = ~(u32)0; + +struct platform_device pxa25x_device_udc = { + .name = "pxa25x-udc", + .id = -1, + .resource = pxa2xx_udc_resources, + .num_resources = ARRAY_SIZE(pxa2xx_udc_resources), + .dev = { + .platform_data = &pxa_udc_info, + .dma_mask = &udc_dma_mask, + } +}; + +struct platform_device pxa27x_device_udc = { + .name = "pxa27x-udc", + .id = -1, + .resource = pxa2xx_udc_resources, + .num_resources = ARRAY_SIZE(pxa2xx_udc_resources), + .dev = { + .platform_data = &pxa_udc_info, + .dma_mask = &udc_dma_mask, + } +}; + +static struct resource pxafb_resources[] = { + [0] = { + .start = 0x44000000, + .end = 0x4400ffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_LCD, + .end = IRQ_LCD, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 fb_dma_mask = ~(u64)0; + +struct platform_device pxa_device_fb = { + .name = "pxa2xx-fb", + .id = -1, + .dev = { + .dma_mask = &fb_dma_mask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxafb_resources), + .resource = pxafb_resources, +}; + +void __init pxa_set_fb_info(struct device *parent, struct pxafb_mach_info *info) +{ + pxa_device_fb.dev.parent = parent; + pxa_register_device(&pxa_device_fb, info); +} + +static struct resource pxa_resource_ffuart[] = { + { + .start = 0x40100000, + .end = 0x40100023, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_FFUART, + .end = IRQ_FFUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_ffuart = { + .name = "pxa2xx-uart", + .id = 0, + .resource = pxa_resource_ffuart, + .num_resources = ARRAY_SIZE(pxa_resource_ffuart), +}; + +void __init pxa_set_ffuart_info(void *info) +{ + pxa_register_device(&pxa_device_ffuart, info); +} + +static struct resource pxa_resource_btuart[] = { + { + .start = 0x40200000, + .end = 0x40200023, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_BTUART, + .end = IRQ_BTUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_btuart = { + .name = "pxa2xx-uart", + .id = 1, + .resource = pxa_resource_btuart, + .num_resources = ARRAY_SIZE(pxa_resource_btuart), +}; + +void __init pxa_set_btuart_info(void *info) +{ + pxa_register_device(&pxa_device_btuart, info); +} + +static struct resource pxa_resource_stuart[] = { + { + .start = 0x40700000, + .end = 0x40700023, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_STUART, + .end = IRQ_STUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_stuart = { + .name = "pxa2xx-uart", + .id = 2, + .resource = pxa_resource_stuart, + .num_resources = ARRAY_SIZE(pxa_resource_stuart), +}; + +void __init pxa_set_stuart_info(void *info) +{ + pxa_register_device(&pxa_device_stuart, info); +} + +static struct resource pxa_resource_hwuart[] = { + { + .start = 0x41600000, + .end = 0x4160002F, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_HWUART, + .end = IRQ_HWUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_hwuart = { + .name = "pxa2xx-uart", + .id = 3, + .resource = pxa_resource_hwuart, + .num_resources = ARRAY_SIZE(pxa_resource_hwuart), +}; + +void __init pxa_set_hwuart_info(void *info) +{ + if (cpu_is_pxa255()) + pxa_register_device(&pxa_device_hwuart, info); + else + pr_info("UART: Ignoring attempt to register HWUART on non-PXA255 hardware"); +} + +static struct resource pxai2c_resources[] = { + { + .start = 0x40301680, + .end = 0x403016a3, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_I2C, + .end = IRQ_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa_device_i2c = { + .name = "pxa2xx-i2c", + .id = 0, + .resource = pxai2c_resources, + .num_resources = ARRAY_SIZE(pxai2c_resources), +}; + +void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info) +{ + pxa_register_device(&pxa_device_i2c, info); +} + +#ifdef CONFIG_PXA27x +static struct resource pxa27x_resources_i2c_power[] = { + { + .start = 0x40f00180, + .end = 0x40f001a3, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PWRI2C, + .end = IRQ_PWRI2C, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa27x_device_i2c_power = { + .name = "pxa2xx-i2c", + .id = 1, + .resource = pxa27x_resources_i2c_power, + .num_resources = ARRAY_SIZE(pxa27x_resources_i2c_power), +}; +#endif + +static struct resource pxai2s_resources[] = { + { + .start = 0x40400000, + .end = 0x40400083, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_I2S, + .end = IRQ_I2S, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa_device_i2s = { + .name = "pxa2xx-i2s", + .id = -1, + .resource = pxai2s_resources, + .num_resources = ARRAY_SIZE(pxai2s_resources), +}; + +struct platform_device pxa_device_asoc_ssp1 = { + .name = "pxa-ssp-dai", + .id = 0, +}; + +struct platform_device pxa_device_asoc_ssp2= { + .name = "pxa-ssp-dai", + .id = 1, +}; + +struct platform_device pxa_device_asoc_ssp3 = { + .name = "pxa-ssp-dai", + .id = 2, +}; + +struct platform_device pxa_device_asoc_ssp4 = { + .name = "pxa-ssp-dai", + .id = 3, +}; + +struct platform_device pxa_device_asoc_platform = { + .name = "pxa-pcm-audio", + .id = -1, +}; + +static struct resource pxa_rtc_resources[] = { + [0] = { + .start = 0x40900000, + .end = 0x40900000 + 0x3b, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_RTC1Hz, + .end = IRQ_RTC1Hz, + .name = "rtc 1Hz", + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_RTCAlrm, + .end = IRQ_RTCAlrm, + .name = "rtc alarm", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa_device_rtc = { + .name = "pxa-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(pxa_rtc_resources), + .resource = pxa_rtc_resources, +}; + +struct platform_device sa1100_device_rtc = { + .name = "sa1100-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(pxa_rtc_resources), + .resource = pxa_rtc_resources, +}; + +#ifdef CONFIG_PXA25x + +static struct resource pxa25x_resource_pwm0[] = { + [0] = { + .start = 0x40b00000, + .end = 0x40b0000f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa25x_device_pwm0 = { + .name = "pxa25x-pwm", + .id = 0, + .resource = pxa25x_resource_pwm0, + .num_resources = ARRAY_SIZE(pxa25x_resource_pwm0), +}; + +static struct resource pxa25x_resource_pwm1[] = { + [0] = { + .start = 0x40c00000, + .end = 0x40c0000f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa25x_device_pwm1 = { + .name = "pxa25x-pwm", + .id = 1, + .resource = pxa25x_resource_pwm1, + .num_resources = ARRAY_SIZE(pxa25x_resource_pwm1), +}; + +static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa25x_resource_ssp[] = { + [0] = { + .start = 0x41000000, + .end = 0x4100001f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP, + .end = IRQ_SSP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa25x_device_ssp = { + .name = "pxa25x-ssp", + .id = 0, + .dev = { + .dma_mask = &pxa25x_ssp_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa25x_resource_ssp, + .num_resources = ARRAY_SIZE(pxa25x_resource_ssp), +}; + +static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa25x_resource_nssp[] = { + [0] = { + .start = 0x41400000, + .end = 0x4140002f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_NSSP, + .end = IRQ_NSSP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa25x_device_nssp = { + .name = "pxa25x-nssp", + .id = 1, + .dev = { + .dma_mask = &pxa25x_nssp_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa25x_resource_nssp, + .num_resources = ARRAY_SIZE(pxa25x_resource_nssp), +}; + +static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa25x_resource_assp[] = { + [0] = { + .start = 0x41500000, + .end = 0x4150002f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_ASSP, + .end = IRQ_ASSP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa25x_device_assp = { + /* ASSP is basically equivalent to NSSP */ + .name = "pxa25x-nssp", + .id = 2, + .dev = { + .dma_mask = &pxa25x_assp_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa25x_resource_assp, + .num_resources = ARRAY_SIZE(pxa25x_resource_assp), +}; +#endif /* CONFIG_PXA25x */ + +#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) +static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ohci[] = { + [0] = { + .start = 0x4C000000, + .end = 0x4C00ff6f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USBH1, + .end = IRQ_USBH1, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa27x_device_ohci = { + .name = "pxa27x-ohci", + .id = -1, + .dev = { + .dma_mask = &pxa27x_ohci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(pxa27x_resource_ohci), + .resource = pxa27x_resource_ohci, +}; + +void __init pxa_set_ohci_info(struct pxaohci_platform_data *info) +{ + pxa_register_device(&pxa27x_device_ohci, info); +} +#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */ + +#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) +static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ssp1[] = { + [0] = { + .start = 0x41000000, + .end = 0x4100003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP, + .end = IRQ_SSP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa27x_device_ssp1 = { + .name = "pxa27x-ssp", + .id = 0, + .dev = { + .dma_mask = &pxa27x_ssp1_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa27x_resource_ssp1, + .num_resources = ARRAY_SIZE(pxa27x_resource_ssp1), +}; + +static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ssp2[] = { + [0] = { + .start = 0x41700000, + .end = 0x4170003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP2, + .end = IRQ_SSP2, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa27x_device_ssp2 = { + .name = "pxa27x-ssp", + .id = 1, + .dev = { + .dma_mask = &pxa27x_ssp2_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa27x_resource_ssp2, + .num_resources = ARRAY_SIZE(pxa27x_resource_ssp2), +}; + +static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ssp3[] = { + [0] = { + .start = 0x41900000, + .end = 0x4190003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP3, + .end = IRQ_SSP3, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa27x_device_ssp3 = { + .name = "pxa27x-ssp", + .id = 2, + .dev = { + .dma_mask = &pxa27x_ssp3_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa27x_resource_ssp3, + .num_resources = ARRAY_SIZE(pxa27x_resource_ssp3), +}; + +static struct resource pxa27x_resource_pwm0[] = { + [0] = { + .start = 0x40b00000, + .end = 0x40b0001f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa27x_device_pwm0 = { + .name = "pxa27x-pwm", + .id = 0, + .resource = pxa27x_resource_pwm0, + .num_resources = ARRAY_SIZE(pxa27x_resource_pwm0), +}; + +static struct resource pxa27x_resource_pwm1[] = { + [0] = { + .start = 0x40c00000, + .end = 0x40c0001f, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device pxa27x_device_pwm1 = { + .name = "pxa27x-pwm", + .id = 1, + .resource = pxa27x_resource_pwm1, + .num_resources = ARRAY_SIZE(pxa27x_resource_pwm1), +}; +#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */ + +struct resource pxa_resource_gpio[] = { + { + .start = 0x40e00000, + .end = 0x40e0ffff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_GPIO0, + .end = IRQ_GPIO0, + .name = "gpio0", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_GPIO1, + .end = IRQ_GPIO1, + .name = "gpio1", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_GPIO_2_x, + .end = IRQ_GPIO_2_x, + .name = "gpio_mux", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa25x_device_gpio = { + .name = "pxa25x-gpio", + .id = -1, + .num_resources = ARRAY_SIZE(pxa_resource_gpio), + .resource = pxa_resource_gpio, +}; + +struct platform_device pxa27x_device_gpio = { + .name = "pxa27x-gpio", + .id = -1, + .num_resources = ARRAY_SIZE(pxa_resource_gpio), + .resource = pxa_resource_gpio, +}; + +/* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1. + * See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */ +void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info) +{ + struct platform_device *pd; + + pd = platform_device_alloc("pxa2xx-spi", id); + if (pd == NULL) { + printk(KERN_ERR "pxa2xx-spi: failed to allocate device id %d\n", + id); + return; + } + + pd->dev.platform_data = info; + platform_device_add(pd); +} + +static struct resource pxa_dma_resource[] = { + [0] = { + .start = 0x40000000, + .end = 0x4000ffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_DMA, + .end = IRQ_DMA, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 pxadma_dmamask = 0xffffffffUL; + +static struct platform_device pxa2xx_pxa_dma = { + .name = "pxa-dma", + .id = 0, + .dev = { + .dma_mask = &pxadma_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxa_dma_resource), + .resource = pxa_dma_resource, +}; + +void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata) +{ + pxa_register_device(&pxa2xx_pxa_dma, dma_pdata); +} + +void __init pxa_register_wdt(unsigned int reset_status) +{ + struct resource res = DEFINE_RES_MEM(OST_PHYS, OST_LEN); + + reset_status &= RESET_STATUS_WATCHDOG; + platform_device_register_resndata(NULL, "sa1100_wdt", -1, &res, 1, + &reset_status, sizeof(reset_status)); +} diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h new file mode 100644 index 0000000000..82c8393901 --- /dev/null +++ b/arch/arm/mach-pxa/devices.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#define PDMA_FILTER_PARAM(_prio, _requestor) (&(struct pxad_param) { \ + .prio = PXAD_PRIO_##_prio, .drcmr = _requestor }) +struct mmp_dma_platdata; + +extern struct platform_device pxa_device_pmu; +extern struct platform_device pxa_device_mci; +extern struct platform_device pxa3xx_device_mci2; +extern struct platform_device pxa3xx_device_mci3; +extern struct platform_device pxa25x_device_udc; +extern struct platform_device pxa27x_device_udc; +extern struct platform_device pxa_device_fb; +extern struct platform_device pxa_device_ffuart; +extern struct platform_device pxa_device_btuart; +extern struct platform_device pxa_device_stuart; +extern struct platform_device pxa_device_hwuart; +extern struct platform_device pxa_device_i2c; +extern struct platform_device pxa_device_i2s; +extern struct platform_device sa1100_device_rtc; +extern struct platform_device pxa_device_rtc; +extern struct platform_device pxa_device_ac97; + +extern struct platform_device pxa27x_device_i2c_power; +extern struct platform_device pxa27x_device_ohci; +extern struct platform_device pxa27x_device_keypad; + +extern struct platform_device pxa25x_device_ssp; +extern struct platform_device pxa25x_device_nssp; +extern struct platform_device pxa25x_device_assp; +extern struct platform_device pxa27x_device_ssp1; +extern struct platform_device pxa27x_device_ssp2; +extern struct platform_device pxa27x_device_ssp3; +extern struct platform_device pxa3xx_device_ssp1; +extern struct platform_device pxa3xx_device_ssp2; +extern struct platform_device pxa3xx_device_ssp3; +extern struct platform_device pxa3xx_device_ssp4; + +extern struct platform_device pxa25x_device_pwm0; +extern struct platform_device pxa25x_device_pwm1; +extern struct platform_device pxa27x_device_pwm0; +extern struct platform_device pxa27x_device_pwm1; + +extern struct platform_device pxa3xx_device_nand; +extern struct platform_device pxa3xx_device_i2c_power; + +extern struct platform_device pxa3xx_device_gcu; + +extern struct platform_device pxa_device_asoc_platform; +extern struct platform_device pxa_device_asoc_ssp1; +extern struct platform_device pxa_device_asoc_ssp2; +extern struct platform_device pxa_device_asoc_ssp3; +extern struct platform_device pxa_device_asoc_ssp4; + +extern struct platform_device pxa25x_device_gpio; +extern struct platform_device pxa27x_device_gpio; +extern struct platform_device pxa3xx_device_gpio; +extern struct platform_device pxa93x_device_gpio; + +void __init pxa_register_device(struct platform_device *dev, void *data); +void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata); + +struct i2c_pxa_platform_data; +extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info); +#ifdef CONFIG_PXA27x +extern void pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info); +#endif +#ifdef CONFIG_PXA3xx +extern void pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info); +#endif diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c new file mode 100644 index 0000000000..02fdde7e3e --- /dev/null +++ b/arch/arm/mach-pxa/generic.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/generic.c + * + * Author: Nicolas Pitre + * Created: Jun 15, 2001 + * Copyright: MontaVista Software Inc. + * + * Code common to all PXA machines. + * + * Since this file should be linked before any other machine specific file, + * the __initcall() here will be executed first. This serves as default + * initialization stuff for PXA machines which can be overridden later if + * need be. + */ +#include <linux/gpio.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/soc/pxa/cpu.h> +#include <linux/soc/pxa/smemc.h> +#include <linux/clk/pxa.h> + +#include <asm/mach/map.h> +#include <asm/mach-types.h> + +#include "addr-map.h" +#include "irqs.h" +#include "reset.h" +#include "smemc.h" +#include "pxa3xx-regs.h" + +#include "generic.h" +#include <clocksource/pxa.h> + +void clear_reset_status(unsigned int mask) +{ + if (cpu_is_pxa2xx()) + pxa2xx_clear_reset_status(mask); + else { + /* RESET_STATUS_* has a 1:1 mapping with ARSR */ + ARSR = mask; + } +} + +/* + * For non device-tree builds, keep legacy timer init + */ +void __init pxa_timer_init(void) +{ + if (cpu_is_pxa25x()) + pxa25x_clocks_init(io_p2v(0x41300000)); + if (cpu_is_pxa27x()) + pxa27x_clocks_init(io_p2v(0x41300000)); + if (cpu_is_pxa3xx()) + pxa3xx_clocks_init(io_p2v(0x41340000), io_p2v(0x41350000)); + pxa_timer_nodt_init(IRQ_OST0, io_p2v(0x40a00000)); +} + +void pxa_smemc_set_pcmcia_timing(int sock, u32 mcmem, u32 mcatt, u32 mcio) +{ + __raw_writel(mcmem, MCMEM(sock)); + __raw_writel(mcatt, MCATT(sock)); + __raw_writel(mcio, MCIO(sock)); +} +EXPORT_SYMBOL_GPL(pxa_smemc_set_pcmcia_timing); + +void pxa_smemc_set_pcmcia_socket(int nr) +{ + switch (nr) { + case 0: + __raw_writel(0, MECR); + break; + case 1: + /* + * We have at least one socket, so set MECR:CIT + * (Card Is There) + */ + __raw_writel(MECR_CIT, MECR); + break; + case 2: + /* Set CIT and MECR:NOS (Number Of Sockets) */ + __raw_writel(MECR_CIT | MECR_NOS, MECR); + break; + } +} +EXPORT_SYMBOL_GPL(pxa_smemc_set_pcmcia_socket); + +void __iomem *pxa_smemc_get_mdrefr(void) +{ + return MDREFR; +} + +/* + * Intel PXA2xx internal register mapping. + * + * Note: virtual 0xfffe0000-0xffffffff is reserved for the vector table + * and cache flush area. + */ +static struct map_desc common_io_desc[] __initdata = { + { /* Devs */ + .virtual = (unsigned long)PERIPH_VIRT, + .pfn = __phys_to_pfn(PERIPH_PHYS), + .length = PERIPH_SIZE, + .type = MT_DEVICE + } +}; + +void __init pxa_map_io(void) +{ + debug_ll_io_init(); + iotable_init(ARRAY_AND_SIZE(common_io_desc)); +} diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h new file mode 100644 index 0000000000..c9c2c46ece --- /dev/null +++ b/arch/arm/mach-pxa/generic.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/arch/arm/mach-pxa/generic.h + * + * Author: Nicolas Pitre + * Copyright: MontaVista Software Inc. + */ + +#include <linux/reboot.h> + +struct irq_data; + +extern void __init pxa_dt_irq_init(int (*fn)(struct irq_data *, + unsigned int)); +extern void __init pxa_map_io(void); +extern void pxa_timer_init(void); + +#define SET_BANK(__nr,__start,__size) \ + mi->bank[__nr].start = (__start), \ + mi->bank[__nr].size = (__size) + +#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) + +#define pxa25x_handle_irq icip_handle_irq +extern void __init pxa25x_init_irq(void); +extern void __init pxa25x_map_io(void); +extern void __init pxa26x_init_irq(void); + +#define pxa27x_handle_irq ichp_handle_irq +extern void __init pxa27x_init_irq(void); +extern void __init pxa27x_map_io(void); + +#define pxa3xx_handle_irq ichp_handle_irq +extern void __init pxa3xx_init_irq(void); +extern void __init pxa3xx_map_io(void); + +extern struct syscore_ops pxa_irq_syscore_ops; +extern struct syscore_ops pxa2xx_mfp_syscore_ops; +extern struct syscore_ops pxa3xx_mfp_syscore_ops; + +void __init pxa_set_ffuart_info(void *info); +void __init pxa_set_btuart_info(void *info); +void __init pxa_set_stuart_info(void *info); +void __init pxa_set_hwuart_info(void *info); + +void pxa_restart(enum reboot_mode, const char *); + +#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) +extern void pxa2xx_clear_reset_status(unsigned int); +#else +static inline void pxa2xx_clear_reset_status(unsigned int mask) {} +#endif + + diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c new file mode 100644 index 0000000000..c9f0f62187 --- /dev/null +++ b/arch/arm/mach-pxa/gumstix.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/gumstix.c + * + * Support for the Gumstix motherboards. + * + * Original Author: Craig Hughes + * Created: Feb 14, 2008 + * Copyright: Craig Hughes + * + * Implemented based on lubbock.c by Nicolas Pitre and code from Craig + * Hughes + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/gpio/machine.h> +#include <linux/gpio.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <asm/setup.h> +#include <asm/page.h> +#include <asm/mach-types.h> +#include <asm/irq.h> +#include <linux/sizes.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach/flash.h> + +#include "pxa25x.h" +#include <linux/platform_data/mmc-pxamci.h> +#include "udc.h" +#include "gumstix.h" + +#include "generic.h" + +static struct resource flash_resource = { + .start = 0x00000000, + .end = SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct mtd_partition gumstix_partitions[] = { + { + .name = "Bootloader", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_WRITEABLE /* force read-only */ + } , { + .name = "rootfs", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND + } +}; + +static struct flash_platform_data gumstix_flash_data = { + .map_name = "cfi_probe", + .parts = gumstix_partitions, + .nr_parts = ARRAY_SIZE(gumstix_partitions), + .width = 2, +}; + +static struct platform_device gumstix_flash_device = { + .name = "pxa2xx-flash", + .id = 0, + .dev = { + .platform_data = &gumstix_flash_data, + }, + .resource = &flash_resource, + .num_resources = 1, +}; + +static struct platform_device *devices[] __initdata = { + &gumstix_flash_device, +}; + +#ifdef CONFIG_MMC_PXA +static struct pxamci_platform_data gumstix_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, +}; + +static void __init gumstix_mmc_init(void) +{ + pxa_set_mci_info(&gumstix_mci_platform_data); +} +#else +static void __init gumstix_mmc_init(void) +{ + pr_debug("Gumstix mmc disabled\n"); +} +#endif + +#ifdef CONFIG_USB_PXA25X +static struct gpiod_lookup_table gumstix_gpio_vbus_gpiod_table = { + .dev_id = "gpio-vbus", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO_GUMSTIX_USB_GPIOn, + "vbus", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio-pxa", GPIO_GUMSTIX_USB_GPIOx, + "pullup", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct platform_device gumstix_gpio_vbus = { + .name = "gpio-vbus", + .id = -1, +}; + +static void __init gumstix_udc_init(void) +{ + gpiod_add_lookup_table(&gumstix_gpio_vbus_gpiod_table); + platform_device_register(&gumstix_gpio_vbus); +} +#else +static void gumstix_udc_init(void) +{ + pr_debug("Gumstix udc is disabled\n"); +} +#endif + +#ifdef CONFIG_BT +/* Normally, the bootloader would have enabled this 32kHz clock but many +** boards still have u-boot 1.1.4 so we check if it has been turned on and +** if not, we turn it on with a warning message. */ +static void gumstix_setup_bt_clock(void) +{ + int timeout = 500; + + if (!(readl(OSCC) & OSCC_OOK)) + pr_warn("32kHz clock was not on. Bootloader may need to be updated\n"); + else + return; + + writel(readl(OSCC) | OSCC_OON, OSCC); + do { + if (readl(OSCC) & OSCC_OOK) + break; + udelay(1); + } while (--timeout); + if (!timeout) + pr_err("Failed to start 32kHz clock\n"); +} + +static void __init gumstix_bluetooth_init(void) +{ + int err; + + gumstix_setup_bt_clock(); + + err = gpio_request(GPIO_GUMSTIX_BTRESET, "BTRST"); + if (err) { + pr_err("gumstix: failed request gpio for bluetooth reset\n"); + return; + } + + err = gpio_direction_output(GPIO_GUMSTIX_BTRESET, 1); + if (err) { + pr_err("gumstix: can't reset bluetooth\n"); + return; + } + gpio_set_value(GPIO_GUMSTIX_BTRESET, 0); + udelay(100); + gpio_set_value(GPIO_GUMSTIX_BTRESET, 1); +} +#else +static void gumstix_bluetooth_init(void) +{ + pr_debug("Gumstix Bluetooth is disabled\n"); +} +#endif + +static unsigned long gumstix_pin_config[] __initdata = { + GPIO12_32KHz, + /* BTUART */ + GPIO42_HWUART_RXD, + GPIO43_HWUART_TXD, + GPIO44_HWUART_CTS, + GPIO45_HWUART_RTS, + /* MMC */ + GPIO6_MMC_CLK, + GPIO53_MMC_CLK, + GPIO8_MMC_CS0, +}; + +int __attribute__((weak)) am200_init(void) +{ + return 0; +} + +int __attribute__((weak)) am300_init(void) +{ + return 0; +} + +static void __init carrier_board_init(void) +{ + /* + * put carrier/expansion board init here if + * they cannot be detected programatically + */ + am200_init(); + am300_init(); +} + +static void __init gumstix_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(gumstix_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + pxa_set_hwuart_info(NULL); + + gumstix_bluetooth_init(); + gumstix_udc_init(); + gumstix_mmc_init(); + (void) platform_add_devices(devices, ARRAY_SIZE(devices)); + carrier_board_init(); +} + +MACHINE_START(GUMSTIX, "Gumstix") + .atag_offset = 0x100, /* match u-boot bi_boot_params */ + .map_io = pxa25x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa25x_init_irq, + .init_time = pxa_timer_init, + .init_machine = gumstix_init, + .restart = pxa_restart, +MACHINE_END diff --git a/arch/arm/mach-pxa/gumstix.h b/arch/arm/mach-pxa/gumstix.h new file mode 100644 index 0000000000..9005b3c0aa --- /dev/null +++ b/arch/arm/mach-pxa/gumstix.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/gumstix.h + */ + +#include "irqs.h" /* PXA_GPIO_TO_IRQ */ + +/* BTRESET - Reset line to Bluetooth module, active low signal. */ +#define GPIO_GUMSTIX_BTRESET 7 +#define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT) + + +/* +GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean +interrupt signal for determining cable presence. On the gumstix F, +this moves to GPIO17 and GPIO37. */ + +/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn +has detected a cable insertion; driven low otherwise. */ + +#define GPIO_GUMSTIX_USB_GPIOn 35 +#define GPIO_GUMSTIX_USB_GPIOx 41 + +/* usb state change */ +#define GUMSTIX_USB_INTR_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_USB_GPIOn) + +#define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN) +#define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT) +#define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN) + +/* + * SD/MMC definitions + */ +#define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */ +#define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */ +#define GUMSTIX_IRQ_GPIO_nSD_DETECT PXA_GPIO_TO_IRQ(GUMSTIX_GPIO_nSD_DETECT) + +/* + * SMC Ethernet definitions + * ETH_RST provides a hardware reset line to the ethernet chip + * ETH is the IRQ line in from the ethernet chip to the PXA + */ +#define GPIO_GUMSTIX_ETH0_RST 80 +#define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT) +#define GPIO_GUMSTIX_ETH1_RST 52 +#define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT) + +#define GPIO_GUMSTIX_ETH0 36 +#define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN) +#define GUMSTIX_ETH0_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0) +#define GPIO_GUMSTIX_ETH1 27 +#define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN) +#define GUMSTIX_ETH1_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH1) + + +/* CF reset line */ +#define GPIO8_RESET 8 + +/* CF slot 0 */ +#define GPIO4_nBVD1 4 +#define GPIO4_nSTSCHG GPIO4_nBVD1 +#define GPIO11_nCD 11 +#define GPIO26_PRDY_nBSY 26 +#define GUMSTIX_S0_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO4_nSTSCHG) +#define GUMSTIX_S0_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO11_nCD) +#define GUMSTIX_S0_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO26_PRDY_nBSY) + +/* CF slot 1 */ +#define GPIO18_nBVD1 18 +#define GPIO18_nSTSCHG GPIO18_nBVD1 +#define GPIO36_nCD 36 +#define GPIO27_PRDY_nBSY 27 +#define GUMSTIX_S1_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO18_nSTSCHG) +#define GUMSTIX_S1_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO36_nCD) +#define GUMSTIX_S1_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO27_PRDY_nBSY) + +/* CF GPIO line modes */ +#define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN) +#define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT) +#define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN) +#define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN) +#define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN) +#define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN) +#define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN) + +/* for expansion boards that can't be programatically detected */ +extern int am200_init(void); +extern int am300_init(void); + diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c new file mode 100644 index 0000000000..a9ef710081 --- /dev/null +++ b/arch/arm/mach-pxa/irq.c @@ -0,0 +1,270 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/irq.c + * + * Generic PXA IRQ handling + * + * Author: Nicolas Pitre + * Created: Jun 15, 2001 + * Copyright: MontaVista Software Inc. + */ +#include <linux/bitops.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/syscore_ops.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/soc/pxa/cpu.h> + +#include <asm/exception.h> + +#include "irqs.h" + +#include "generic.h" +#include "pxa-regs.h" + +#define ICIP (0x000) +#define ICMR (0x004) +#define ICLR (0x008) +#define ICFR (0x00c) +#define ICPR (0x010) +#define ICCR (0x014) +#define ICHP (0x018) +#define IPR(i) (((i) < 32) ? (0x01c + ((i) << 2)) : \ + ((i) < 64) ? (0x0b0 + (((i) - 32) << 2)) : \ + (0x144 + (((i) - 64) << 2))) +#define ICHP_VAL_IRQ (1 << 31) +#define ICHP_IRQ(i) (((i) >> 16) & 0x7fff) +#define IPR_VALID (1 << 31) + +#define MAX_INTERNAL_IRQS 128 + +/* + * This is for peripheral IRQs internal to the PXA chip. + */ + +static void __iomem *pxa_irq_base; +static int pxa_internal_irq_nr; +static bool cpu_has_ipr; +static struct irq_domain *pxa_irq_domain; + +static inline void __iomem *irq_base(int i) +{ + static unsigned long phys_base_offset[] = { + 0x0, + 0x9c, + 0x130, + }; + + return pxa_irq_base + phys_base_offset[i]; +} + +void pxa_mask_irq(struct irq_data *d) +{ + void __iomem *base = irq_data_get_irq_chip_data(d); + irq_hw_number_t irq = irqd_to_hwirq(d); + uint32_t icmr = __raw_readl(base + ICMR); + + icmr &= ~BIT(irq & 0x1f); + __raw_writel(icmr, base + ICMR); +} + +void pxa_unmask_irq(struct irq_data *d) +{ + void __iomem *base = irq_data_get_irq_chip_data(d); + irq_hw_number_t irq = irqd_to_hwirq(d); + uint32_t icmr = __raw_readl(base + ICMR); + + icmr |= BIT(irq & 0x1f); + __raw_writel(icmr, base + ICMR); +} + +static struct irq_chip pxa_internal_irq_chip = { + .name = "SC", + .irq_ack = pxa_mask_irq, + .irq_mask = pxa_mask_irq, + .irq_unmask = pxa_unmask_irq, +}; + +asmlinkage void __exception_irq_entry icip_handle_irq(struct pt_regs *regs) +{ + uint32_t icip, icmr, mask; + + do { + icip = __raw_readl(pxa_irq_base + ICIP); + icmr = __raw_readl(pxa_irq_base + ICMR); + mask = icip & icmr; + + if (mask == 0) + break; + + handle_IRQ(PXA_IRQ(fls(mask) - 1), regs); + } while (1); +} + +asmlinkage void __exception_irq_entry ichp_handle_irq(struct pt_regs *regs) +{ + uint32_t ichp; + + do { + __asm__ __volatile__("mrc p6, 0, %0, c5, c0, 0\n": "=r"(ichp)); + + if ((ichp & ICHP_VAL_IRQ) == 0) + break; + + handle_IRQ(PXA_IRQ(ICHP_IRQ(ichp)), regs); + } while (1); +} + +static int pxa_irq_map(struct irq_domain *h, unsigned int virq, + irq_hw_number_t hw) +{ + void __iomem *base = irq_base(hw / 32); + + /* initialize interrupt priority */ + if (cpu_has_ipr) + __raw_writel(hw | IPR_VALID, pxa_irq_base + IPR(hw)); + + irq_set_chip_and_handler(virq, &pxa_internal_irq_chip, + handle_level_irq); + irq_set_chip_data(virq, base); + + return 0; +} + +static const struct irq_domain_ops pxa_irq_ops = { + .map = pxa_irq_map, + .xlate = irq_domain_xlate_onecell, +}; + +static __init void +pxa_init_irq_common(struct device_node *node, int irq_nr, + int (*fn)(struct irq_data *, unsigned int)) +{ + int n; + + pxa_internal_irq_nr = irq_nr; + pxa_irq_domain = irq_domain_add_legacy(node, irq_nr, + PXA_IRQ(0), 0, + &pxa_irq_ops, NULL); + if (!pxa_irq_domain) + panic("Unable to add PXA IRQ domain\n"); + irq_set_default_host(pxa_irq_domain); + + for (n = 0; n < irq_nr; n += 32) { + void __iomem *base = irq_base(n >> 5); + + __raw_writel(0, base + ICMR); /* disable all IRQs */ + __raw_writel(0, base + ICLR); /* all IRQs are IRQ, not FIQ */ + } + /* only unmasked interrupts kick us out of idle */ + __raw_writel(1, irq_base(0) + ICCR); + + pxa_internal_irq_chip.irq_set_wake = fn; +} + +void __init pxa_init_irq(int irq_nr, int (*fn)(struct irq_data *, unsigned int)) +{ + BUG_ON(irq_nr > MAX_INTERNAL_IRQS); + + pxa_irq_base = io_p2v(0x40d00000); + cpu_has_ipr = !cpu_is_pxa25x(); + pxa_init_irq_common(NULL, irq_nr, fn); +} + +#ifdef CONFIG_PM +static unsigned long saved_icmr[MAX_INTERNAL_IRQS/32]; +static unsigned long saved_ipr[MAX_INTERNAL_IRQS]; + +static int pxa_irq_suspend(void) +{ + int i; + + for (i = 0; i < DIV_ROUND_UP(pxa_internal_irq_nr, 32); i++) { + void __iomem *base = irq_base(i); + + saved_icmr[i] = __raw_readl(base + ICMR); + __raw_writel(0, base + ICMR); + } + + if (cpu_has_ipr) { + for (i = 0; i < pxa_internal_irq_nr; i++) + saved_ipr[i] = __raw_readl(pxa_irq_base + IPR(i)); + } + + return 0; +} + +static void pxa_irq_resume(void) +{ + int i; + + for (i = 0; i < DIV_ROUND_UP(pxa_internal_irq_nr, 32); i++) { + void __iomem *base = irq_base(i); + + __raw_writel(saved_icmr[i], base + ICMR); + __raw_writel(0, base + ICLR); + } + + if (cpu_has_ipr) + for (i = 0; i < pxa_internal_irq_nr; i++) + __raw_writel(saved_ipr[i], pxa_irq_base + IPR(i)); + + __raw_writel(1, pxa_irq_base + ICCR); +} +#else +#define pxa_irq_suspend NULL +#define pxa_irq_resume NULL +#endif + +struct syscore_ops pxa_irq_syscore_ops = { + .suspend = pxa_irq_suspend, + .resume = pxa_irq_resume, +}; + +#ifdef CONFIG_OF +static const struct of_device_id intc_ids[] __initconst = { + { .compatible = "marvell,pxa-intc", }, + {} +}; + +void __init pxa_dt_irq_init(int (*fn)(struct irq_data *, unsigned int)) +{ + struct device_node *node; + struct resource res; + int ret; + + node = of_find_matching_node(NULL, intc_ids); + if (!node) { + pr_err("Failed to find interrupt controller in arch-pxa\n"); + return; + } + + ret = of_property_read_u32(node, "marvell,intc-nr-irqs", + &pxa_internal_irq_nr); + if (ret) { + pr_err("Not found marvell,intc-nr-irqs property\n"); + return; + } + + ret = of_address_to_resource(node, 0, &res); + if (ret < 0) { + pr_err("No registers defined for node\n"); + return; + } + pxa_irq_base = io_p2v(res.start); + + cpu_has_ipr = of_property_read_bool(node, "marvell,intc-priority"); + + ret = irq_alloc_descs(-1, 0, pxa_internal_irq_nr, 0); + if (ret < 0) { + pr_err("Failed to allocate IRQ numbers\n"); + return; + } + + pxa_init_irq_common(node, pxa_internal_irq_nr, fn); +} +#endif /* CONFIG_OF */ diff --git a/arch/arm/mach-pxa/irqs.h b/arch/arm/mach-pxa/irqs.h new file mode 100644 index 0000000000..22bf536a46 --- /dev/null +++ b/arch/arm/mach-pxa/irqs.h @@ -0,0 +1,109 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/irqs.h + * + * Author: Nicolas Pitre + * Created: Jun 15, 2001 + * Copyright: MontaVista Software Inc. + */ +#ifndef __ASM_MACH_IRQS_H +#define __ASM_MACH_IRQS_H + +#include <asm/irq.h> + +#define PXA_ISA_IRQ(x) (x) +#define PXA_IRQ(x) (NR_IRQS_LEGACY + (x)) + +#define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */ +#define IRQ_MSL PXA_IRQ(1) /* MSL Interface interrupt */ +#define IRQ_USBH2 PXA_IRQ(2) /* USB Host interrupt 1 (OHCI,PXA27x) */ +#define IRQ_USBH1 PXA_IRQ(3) /* USB Host interrupt 2 (non-OHCI,PXA27x) */ +#define IRQ_KEYPAD PXA_IRQ(4) /* Key pad controller */ +#define IRQ_MEMSTK PXA_IRQ(5) /* Memory Stick interrupt (PXA27x) */ +#define IRQ_ACIPC0 PXA_IRQ(5) /* AP-CP Communication (PXA930) */ +#define IRQ_PWRI2C PXA_IRQ(6) /* Power I2C interrupt */ +#define IRQ_HWUART PXA_IRQ(7) /* HWUART Transmit/Receive/Error (PXA26x) */ +#define IRQ_OST_4_11 PXA_IRQ(7) /* OS timer 4-11 matches (PXA27x) */ +#define IRQ_GPIO0 PXA_IRQ(8) /* GPIO0 Edge Detect */ +#define IRQ_GPIO1 PXA_IRQ(9) /* GPIO1 Edge Detect */ +#define IRQ_GPIO_2_x PXA_IRQ(10) /* GPIO[2-x] Edge Detect */ +#define IRQ_USB PXA_IRQ(11) /* USB Service */ +#define IRQ_PMU PXA_IRQ(12) /* Performance Monitoring Unit */ +#define IRQ_I2S PXA_IRQ(13) /* I2S Interrupt (PXA27x) */ +#define IRQ_SSP4 PXA_IRQ(13) /* SSP4 service request (PXA3xx) */ +#define IRQ_AC97 PXA_IRQ(14) /* AC97 Interrupt */ +#define IRQ_ASSP PXA_IRQ(15) /* Audio SSP Service Request (PXA25x) */ +#define IRQ_USIM PXA_IRQ(15) /* Smart Card interface interrupt (PXA27x) */ +#define IRQ_NSSP PXA_IRQ(16) /* Network SSP Service Request (PXA25x) */ +#define IRQ_SSP2 PXA_IRQ(16) /* SSP2 interrupt (PXA27x) */ +#define IRQ_LCD PXA_IRQ(17) /* LCD Controller Service Request */ +#define IRQ_I2C PXA_IRQ(18) /* I2C Service Request */ +#define IRQ_ICP PXA_IRQ(19) /* ICP Transmit/Receive/Error */ +#define IRQ_ACIPC2 PXA_IRQ(19) /* AP-CP Communication (PXA930) */ +#define IRQ_STUART PXA_IRQ(20) /* STUART Transmit/Receive/Error */ +#define IRQ_BTUART PXA_IRQ(21) /* BTUART Transmit/Receive/Error */ +#define IRQ_FFUART PXA_IRQ(22) /* FFUART Transmit/Receive/Error*/ +#define IRQ_MMC PXA_IRQ(23) /* MMC Status/Error Detection */ +#define IRQ_SSP PXA_IRQ(24) /* SSP Service Request */ +#define IRQ_DMA PXA_IRQ(25) /* DMA Channel Service Request */ +#define IRQ_OST0 PXA_IRQ(26) /* OS Timer match 0 */ +#define IRQ_OST1 PXA_IRQ(27) /* OS Timer match 1 */ +#define IRQ_OST2 PXA_IRQ(28) /* OS Timer match 2 */ +#define IRQ_OST3 PXA_IRQ(29) /* OS Timer match 3 */ +#define IRQ_RTC1Hz PXA_IRQ(30) /* RTC HZ Clock Tick */ +#define IRQ_RTCAlrm PXA_IRQ(31) /* RTC Alarm */ + +#define IRQ_TPM PXA_IRQ(32) /* TPM interrupt */ +#define IRQ_CAMERA PXA_IRQ(33) /* Camera Interface */ +#define IRQ_CIR PXA_IRQ(34) /* Consumer IR */ +#define IRQ_COMM_WDT PXA_IRQ(35) /* Comm WDT interrupt */ +#define IRQ_TSI PXA_IRQ(36) /* Touch Screen Interface (PXA320) */ +#define IRQ_ENHROT PXA_IRQ(37) /* Enhanced Rotary (PXA930) */ +#define IRQ_USIM2 PXA_IRQ(38) /* USIM2 Controller */ +#define IRQ_GCU PXA_IRQ(39) /* Graphics Controller (PXA3xx) */ +#define IRQ_ACIPC1 PXA_IRQ(40) /* AP-CP Communication (PXA930) */ +#define IRQ_MMC2 PXA_IRQ(41) /* MMC2 Controller */ +#define IRQ_TRKBALL PXA_IRQ(43) /* Track Ball (PXA930) */ +#define IRQ_1WIRE PXA_IRQ(44) /* 1-Wire Controller */ +#define IRQ_NAND PXA_IRQ(45) /* NAND Controller */ +#define IRQ_USB2 PXA_IRQ(46) /* USB 2.0 Device Controller */ +#define IRQ_WAKEUP0 PXA_IRQ(49) /* EXT_WAKEUP0 */ +#define IRQ_WAKEUP1 PXA_IRQ(50) /* EXT_WAKEUP1 */ +#define IRQ_DMEMC PXA_IRQ(51) /* Dynamic Memory Controller */ +#define IRQ_MMC3 PXA_IRQ(55) /* MMC3 Controller (PXA310) */ + +#define IRQ_U2O PXA_IRQ(64) /* USB OTG 2.0 Controller (PXA935) */ +#define IRQ_U2H PXA_IRQ(65) /* USB Host 2.0 Controller (PXA935) */ +#define IRQ_PXA935_MMC0 PXA_IRQ(72) /* MMC0 Controller (PXA935) */ +#define IRQ_PXA935_MMC1 PXA_IRQ(73) /* MMC1 Controller (PXA935) */ +#define IRQ_PXA935_MMC2 PXA_IRQ(74) /* MMC2 Controller (PXA935) */ +#define IRQ_U2P PXA_IRQ(93) /* USB PHY D+/D- Lines (PXA935) */ + +#define PXA_GPIO_IRQ_BASE PXA_IRQ(96) +#define PXA_NR_BUILTIN_GPIO (192) +#define PXA_GPIO_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x)) + +/* + * The following interrupts are for board specific purposes. Since + * the kernel can only run on one machine at a time, we can re-use + * these. + * By default, no board IRQ is reserved. It should be finished in + * custom board since sparse IRQ is already enabled. + */ +#define IRQ_BOARD_START (PXA_GPIO_IRQ_BASE + PXA_NR_BUILTIN_GPIO) + +#define PXA_NR_IRQS (IRQ_BOARD_START) + +#ifndef __ASSEMBLY__ +struct irq_data; +struct pt_regs; + +void pxa_mask_irq(struct irq_data *); +void pxa_unmask_irq(struct irq_data *); +void icip_handle_irq(struct pt_regs *); +void ichp_handle_irq(struct pt_regs *); + +void pxa_init_irq(int irq_nr, int (*set_wake)(struct irq_data *, unsigned int)); +#endif + +#endif /* __ASM_MACH_IRQS_H */ diff --git a/arch/arm/mach-pxa/mfp-pxa25x.h b/arch/arm/mach-pxa/mfp-pxa25x.h new file mode 100644 index 0000000000..3dc5c833e2 --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa25x.h @@ -0,0 +1,193 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_ARCH_MFP_PXA25X_H +#define __ASM_ARCH_MFP_PXA25X_H + +#include "mfp-pxa2xx.h" + +/* GPIO */ +#define GPIO2_GPIO MFP_CFG_IN(GPIO2, AF0) +#define GPIO3_GPIO MFP_CFG_IN(GPIO3, AF0) +#define GPIO4_GPIO MFP_CFG_IN(GPIO4, AF0) +#define GPIO5_GPIO MFP_CFG_IN(GPIO5, AF0) +#define GPIO6_GPIO MFP_CFG_IN(GPIO6, AF0) +#define GPIO7_GPIO MFP_CFG_IN(GPIO7, AF0) +#define GPIO8_GPIO MFP_CFG_IN(GPIO8, AF0) + +#define GPIO1_RST MFP_CFG_IN(GPIO1, AF1) + +/* Crystal and Clock Signals */ +#define GPIO10_RTCCLK MFP_CFG_OUT(GPIO10, AF1, DRIVE_LOW) +#define GPIO70_RTCCLK MFP_CFG_OUT(GPIO70, AF1, DRIVE_LOW) +#define GPIO7_48MHz MFP_CFG_OUT(GPIO7, AF1, DRIVE_LOW) +#define GPIO11_3_6MHz MFP_CFG_OUT(GPIO11, AF1, DRIVE_LOW) +#define GPIO71_3_6MHz MFP_CFG_OUT(GPIO71, AF1, DRIVE_LOW) +#define GPIO12_32KHz MFP_CFG_OUT(GPIO12, AF1, DRIVE_LOW) +#define GPIO72_32kHz MFP_CFG_OUT(GPIO72, AF1, DRIVE_LOW) + +/* SDRAM and Static Memory I/O Signals */ +#define GPIO15_nCS_1 MFP_CFG_OUT(GPIO15, AF2, DRIVE_HIGH) +#define GPIO78_nCS_2 MFP_CFG_OUT(GPIO78, AF2, DRIVE_HIGH) +#define GPIO79_nCS_3 MFP_CFG_OUT(GPIO79, AF2, DRIVE_HIGH) +#define GPIO80_nCS_4 MFP_CFG_OUT(GPIO80, AF2, DRIVE_HIGH) +#define GPIO33_nCS_5 MFP_CFG_OUT(GPIO33, AF2, DRIVE_HIGH) + +/* Miscellaneous I/O and DMA Signals */ +#define GPIO18_RDY MFP_CFG_IN(GPIO18, AF1) +#define GPIO20_DREQ_0 MFP_CFG_IN(GPIO20, AF1) +#define GPIO19_DREQ_1 MFP_CFG_IN(GPIO19, AF1) + +/* Alternate Bus Master Mode I/O Signals */ +#define GPIO13_MBGNT MFP_CFG_OUT(GPIO13, AF2, DRIVE_LOW) +#define GPIO73_MBGNT MFP_CFG_OUT(GPIO73, AF1, DRIVE_LOW) +#define GPIO14_MBREQ MFP_CFG_IN(GPIO14, AF1) +#define GPIO66_MBREQ MFP_CFG_IN(GPIO66, AF1) + +/* PC CARD */ +#define GPIO52_nPCE_1 MFP_CFG_OUT(GPIO52, AF2, DRIVE_HIGH) +#define GPIO53_nPCE_2 MFP_CFG_OUT(GPIO53, AF2, DRIVE_HIGH) +#define GPIO55_nPREG MFP_CFG_OUT(GPIO55, AF2, DRIVE_HIGH) +#define GPIO50_nPIOR MFP_CFG_OUT(GPIO50, AF2, DRIVE_HIGH) +#define GPIO51_nPIOW MFP_CFG_OUT(GPIO51, AF2, DRIVE_HIGH) +#define GPIO49_nPWE MFP_CFG_OUT(GPIO49, AF2, DRIVE_HIGH) +#define GPIO48_nPOE MFP_CFG_OUT(GPIO48, AF2, DRIVE_HIGH) +#define GPIO57_nIOIS16 MFP_CFG_IN(GPIO57, AF1) +#define GPIO56_nPWAIT MFP_CFG_IN(GPIO56, AF1) +#define GPIO54_nPSKTSEL MFP_CFG_OUT(GPIO54, AF2, DRIVE_HIGH) + +/* FFUART */ +#define GPIO34_FFUART_RXD MFP_CFG_IN(GPIO34, AF1) +#define GPIO35_FFUART_CTS MFP_CFG_IN(GPIO35, AF1) +#define GPIO36_FFUART_DCD MFP_CFG_IN(GPIO36, AF1) +#define GPIO37_FFUART_DSR MFP_CFG_IN(GPIO37, AF1) +#define GPIO38_FFUART_RI MFP_CFG_IN(GPIO38, AF1) +#define GPIO39_FFUART_TXD MFP_CFG_OUT(GPIO39, AF2, DRIVE_HIGH) +#define GPIO40_FFUART_DTR MFP_CFG_OUT(GPIO40, AF2, DRIVE_HIGH) +#define GPIO41_FFUART_RTS MFP_CFG_OUT(GPIO41, AF2, DRIVE_HIGH) + +/* BTUART */ +#define GPIO42_BTUART_RXD MFP_CFG_IN(GPIO42, AF1) +#define GPIO43_BTUART_TXD MFP_CFG_OUT(GPIO43, AF2, DRIVE_HIGH) +#define GPIO44_BTUART_CTS MFP_CFG_IN(GPIO44, AF1) +#define GPIO45_BTUART_RTS MFP_CFG_OUT(GPIO45, AF2, DRIVE_HIGH) + +/* STUART */ +#define GPIO46_STUART_RXD MFP_CFG_IN(GPIO46, AF2) +#define GPIO47_STUART_TXD MFP_CFG_OUT(GPIO47, AF1, DRIVE_HIGH) + +/* HWUART */ +#define GPIO42_HWUART_RXD MFP_CFG_IN(GPIO42, AF3) +#define GPIO43_HWUART_TXD MFP_CFG_OUT(GPIO43, AF3, DRIVE_HIGH) +#define GPIO44_HWUART_CTS MFP_CFG_IN(GPIO44, AF3) +#define GPIO45_HWUART_RTS MFP_CFG_OUT(GPIO45, AF3, DRIVE_HIGH) +#define GPIO48_HWUART_TXD MFP_CFG_OUT(GPIO48, AF1, DRIVE_HIGH) +#define GPIO49_HWUART_RXD MFP_CFG_IN(GPIO49, AF1) +#define GPIO50_HWUART_CTS MFP_CFG_IN(GPIO50, AF1) +#define GPIO51_HWUART_RTS MFP_CFG_OUT(GPIO51, AF1, DRIVE_HIGH) + +/* FICP */ +#define GPIO46_FICP_RXD MFP_CFG_IN(GPIO46, AF1) +#define GPIO47_FICP_TXD MFP_CFG_OUT(GPIO47, AF2, DRIVE_HIGH) + +/* PWM 0/1 */ +#define GPIO16_PWM0_OUT MFP_CFG_OUT(GPIO16, AF2, DRIVE_LOW) +#define GPIO17_PWM1_OUT MFP_CFG_OUT(GPIO17, AF2, DRIVE_LOW) + +/* AC97 */ +#define GPIO28_AC97_BITCLK MFP_CFG_IN(GPIO28, AF1) +#define GPIO29_AC97_SDATA_IN_0 MFP_CFG_IN(GPIO29, AF1) +#define GPIO30_AC97_SDATA_OUT MFP_CFG_OUT(GPIO30, AF2, DRIVE_LOW) +#define GPIO31_AC97_SYNC MFP_CFG_OUT(GPIO31, AF2, DRIVE_LOW) +#define GPIO32_AC97_SDATA_IN_1 MFP_CFG_IN(GPIO32, AF1) + +/* I2S */ +#define GPIO28_I2S_BITCLK_IN MFP_CFG_IN(GPIO28, AF2) +#define GPIO28_I2S_BITCLK_OUT MFP_CFG_OUT(GPIO28, AF1, DRIVE_LOW) +#define GPIO29_I2S_SDATA_IN MFP_CFG_IN(GPIO29, AF2) +#define GPIO30_I2S_SDATA_OUT MFP_CFG_OUT(GPIO30, AF1, DRIVE_LOW) +#define GPIO31_I2S_SYNC MFP_CFG_OUT(GPIO31, AF1, DRIVE_LOW) +#define GPIO32_I2S_SYSCLK MFP_CFG_OUT(GPIO32, AF1, DRIVE_LOW) + +/* SSP 1 */ +#define GPIO23_SSP1_SCLK MFP_CFG_OUT(GPIO23, AF2, DRIVE_LOW) +#define GPIO24_SSP1_SFRM MFP_CFG_OUT(GPIO24, AF2, DRIVE_LOW) +#define GPIO25_SSP1_TXD MFP_CFG_OUT(GPIO25, AF2, DRIVE_LOW) +#define GPIO26_SSP1_RXD MFP_CFG_IN(GPIO26, AF1) +#define GPIO27_SSP1_EXTCLK MFP_CFG_IN(GPIO27, AF1) + +/* SSP 2 - NSSP */ +#define GPIO81_SSP2_CLK_OUT MFP_CFG_OUT(GPIO81, AF1, DRIVE_LOW) +#define GPIO81_SSP2_CLK_IN MFP_CFG_IN(GPIO81, AF1) +#define GPIO82_SSP2_FRM_OUT MFP_CFG_OUT(GPIO82, AF1, DRIVE_LOW) +#define GPIO82_SSP2_FRM_IN MFP_CFG_IN(GPIO82, AF1) +#define GPIO83_SSP2_TXD MFP_CFG_OUT(GPIO83, AF1, DRIVE_LOW) +#define GPIO83_SSP2_RXD MFP_CFG_IN(GPIO83, AF2) +#define GPIO84_SSP2_TXD MFP_CFG_OUT(GPIO84, AF1, DRIVE_LOW) +#define GPIO84_SSP2_RXD MFP_CFG_IN(GPIO84, AF2) + +/* MMC */ +#define GPIO6_MMC_CLK MFP_CFG_OUT(GPIO6, AF1, DRIVE_LOW) +#define GPIO8_MMC_CS0 MFP_CFG_OUT(GPIO8, AF1, DRIVE_LOW) +#define GPIO9_MMC_CS1 MFP_CFG_OUT(GPIO9, AF1, DRIVE_LOW) +#define GPIO34_MMC_CS0 MFP_CFG_OUT(GPIO34, AF2, DRIVE_LOW) +#define GPIO39_MMC_CS1 MFP_CFG_OUT(GPIO39, AF1, DRIVE_LOW) +#define GPIO53_MMC_CLK MFP_CFG_OUT(GPIO53, AF1, DRIVE_LOW) +#define GPIO54_MMC_CLK MFP_CFG_OUT(GPIO54, AF1, DRIVE_LOW) +#define GPIO69_MMC_CLK MFP_CFG_OUT(GPIO69, AF1, DRIVE_LOW) +#define GPIO67_MMC_CS0 MFP_CFG_OUT(GPIO67, AF1, DRIVE_LOW) +#define GPIO68_MMC_CS1 MFP_CFG_OUT(GPIO68, AF1, DRIVE_LOW) + +/* LCD */ +#define GPIO58_LCD_LDD_0 MFP_CFG_OUT(GPIO58, AF2, DRIVE_LOW) +#define GPIO59_LCD_LDD_1 MFP_CFG_OUT(GPIO59, AF2, DRIVE_LOW) +#define GPIO60_LCD_LDD_2 MFP_CFG_OUT(GPIO60, AF2, DRIVE_LOW) +#define GPIO61_LCD_LDD_3 MFP_CFG_OUT(GPIO61, AF2, DRIVE_LOW) +#define GPIO62_LCD_LDD_4 MFP_CFG_OUT(GPIO62, AF2, DRIVE_LOW) +#define GPIO63_LCD_LDD_5 MFP_CFG_OUT(GPIO63, AF2, DRIVE_LOW) +#define GPIO64_LCD_LDD_6 MFP_CFG_OUT(GPIO64, AF2, DRIVE_LOW) +#define GPIO65_LCD_LDD_7 MFP_CFG_OUT(GPIO65, AF2, DRIVE_LOW) +#define GPIO66_LCD_LDD_8 MFP_CFG_OUT(GPIO66, AF2, DRIVE_LOW) +#define GPIO67_LCD_LDD_9 MFP_CFG_OUT(GPIO67, AF2, DRIVE_LOW) +#define GPIO68_LCD_LDD_10 MFP_CFG_OUT(GPIO68, AF2, DRIVE_LOW) +#define GPIO69_LCD_LDD_11 MFP_CFG_OUT(GPIO69, AF2, DRIVE_LOW) +#define GPIO70_LCD_LDD_12 MFP_CFG_OUT(GPIO70, AF2, DRIVE_LOW) +#define GPIO71_LCD_LDD_13 MFP_CFG_OUT(GPIO71, AF2, DRIVE_LOW) +#define GPIO72_LCD_LDD_14 MFP_CFG_OUT(GPIO72, AF2, DRIVE_LOW) +#define GPIO73_LCD_LDD_15 MFP_CFG_OUT(GPIO73, AF2, DRIVE_LOW) +#define GPIO74_LCD_FCLK MFP_CFG_OUT(GPIO74, AF2, DRIVE_LOW) +#define GPIO75_LCD_LCLK MFP_CFG_OUT(GPIO75, AF2, DRIVE_LOW) +#define GPIO76_LCD_PCLK MFP_CFG_OUT(GPIO76, AF2, DRIVE_LOW) +#define GPIO77_LCD_BIAS MFP_CFG_OUT(GPIO77, AF2, DRIVE_LOW) + +/* commonly used pin configurations */ +#define GPIOxx_LCD_16BPP \ + GPIO58_LCD_LDD_0, \ + GPIO59_LCD_LDD_1, \ + GPIO60_LCD_LDD_2, \ + GPIO61_LCD_LDD_3, \ + GPIO62_LCD_LDD_4, \ + GPIO63_LCD_LDD_5, \ + GPIO64_LCD_LDD_6, \ + GPIO65_LCD_LDD_7, \ + GPIO66_LCD_LDD_8, \ + GPIO67_LCD_LDD_9, \ + GPIO68_LCD_LDD_10, \ + GPIO69_LCD_LDD_11, \ + GPIO70_LCD_LDD_12, \ + GPIO71_LCD_LDD_13, \ + GPIO72_LCD_LDD_14, \ + GPIO73_LCD_LDD_15 + +#define GPIOxx_LCD_DSTN_16BPP \ + GPIOxx_LCD_16BPP, \ + GPIO74_LCD_FCLK, \ + GPIO75_LCD_LCLK, \ + GPIO76_LCD_PCLK + +#define GPIOxx_LCD_TFT_16BPP \ + GPIOxx_LCD_16BPP, \ + GPIO74_LCD_FCLK, \ + GPIO75_LCD_LCLK, \ + GPIO76_LCD_PCLK, \ + GPIO77_LCD_BIAS + +#endif /* __ASM_ARCH_MFP_PXA25X_H */ diff --git a/arch/arm/mach-pxa/mfp-pxa27x.h b/arch/arm/mach-pxa/mfp-pxa27x.h new file mode 100644 index 0000000000..9f5ffb785f --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa27x.h @@ -0,0 +1,472 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_ARCH_MFP_PXA27X_H +#define __ASM_ARCH_MFP_PXA27X_H + +/* + * NOTE: for those special-function bidirectional GPIOs, as described + * in the "PXA27x Developer's Manual" Section 24.4.2.1, only its input + * alternative is preserved, the direction is actually selected by the + * specific controller, and this should work in most cases. + */ + +#include "mfp-pxa2xx.h" + +/* Note: GPIO3/GPIO4 will be driven by Power I2C when PCFR/PI2C_EN + * bit is set, regardless of the GPIO configuration + */ +#define GPIO3_GPIO MFP_CFG_IN(GPIO3, AF0) +#define GPIO4_GPIO MFP_CFG_IN(GPIO4, AF0) + +/* GPIO */ +#define GPIO85_GPIO MFP_CFG_IN(GPIO85, AF0) +#define GPIO86_GPIO MFP_CFG_IN(GPIO86, AF0) +#define GPIO87_GPIO MFP_CFG_IN(GPIO87, AF0) +#define GPIO88_GPIO MFP_CFG_IN(GPIO88, AF0) +#define GPIO89_GPIO MFP_CFG_IN(GPIO89, AF0) +#define GPIO90_GPIO MFP_CFG_IN(GPIO90, AF0) +#define GPIO91_GPIO MFP_CFG_IN(GPIO91, AF0) +#define GPIO92_GPIO MFP_CFG_IN(GPIO92, AF0) +#define GPIO93_GPIO MFP_CFG_IN(GPIO93, AF0) +#define GPIO94_GPIO MFP_CFG_IN(GPIO94, AF0) +#define GPIO95_GPIO MFP_CFG_IN(GPIO95, AF0) +#define GPIO96_GPIO MFP_CFG_IN(GPIO96, AF0) +#define GPIO97_GPIO MFP_CFG_IN(GPIO97, AF0) +#define GPIO98_GPIO MFP_CFG_IN(GPIO98, AF0) +#define GPIO99_GPIO MFP_CFG_IN(GPIO99, AF0) +#define GPIO100_GPIO MFP_CFG_IN(GPIO100, AF0) +#define GPIO101_GPIO MFP_CFG_IN(GPIO101, AF0) +#define GPIO102_GPIO MFP_CFG_IN(GPIO102, AF0) +#define GPIO103_GPIO MFP_CFG_IN(GPIO103, AF0) +#define GPIO104_GPIO MFP_CFG_IN(GPIO104, AF0) +#define GPIO105_GPIO MFP_CFG_IN(GPIO105, AF0) +#define GPIO106_GPIO MFP_CFG_IN(GPIO106, AF0) +#define GPIO107_GPIO MFP_CFG_IN(GPIO107, AF0) +#define GPIO108_GPIO MFP_CFG_IN(GPIO108, AF0) +#define GPIO109_GPIO MFP_CFG_IN(GPIO109, AF0) +#define GPIO110_GPIO MFP_CFG_IN(GPIO110, AF0) +#define GPIO111_GPIO MFP_CFG_IN(GPIO111, AF0) +#define GPIO112_GPIO MFP_CFG_IN(GPIO112, AF0) +#define GPIO113_GPIO MFP_CFG_IN(GPIO113, AF0) +#define GPIO114_GPIO MFP_CFG_IN(GPIO114, AF0) +#define GPIO115_GPIO MFP_CFG_IN(GPIO115, AF0) +#define GPIO116_GPIO MFP_CFG_IN(GPIO116, AF0) +#define GPIO117_GPIO MFP_CFG_IN(GPIO117, AF0) +#define GPIO118_GPIO MFP_CFG_IN(GPIO118, AF0) +#define GPIO119_GPIO MFP_CFG_IN(GPIO119, AF0) +#define GPIO120_GPIO MFP_CFG_IN(GPIO120, AF0) + +/* Crystal and Clock Signals */ +#define GPIO9_HZ_CLK MFP_CFG_OUT(GPIO9, AF1, DRIVE_LOW) +#define GPIO10_HZ_CLK MFP_CFG_OUT(GPIO10, AF1, DRIVE_LOW) +#define GPIO11_48_MHz MFP_CFG_OUT(GPIO11, AF3, DRIVE_LOW) +#define GPIO12_48_MHz MFP_CFG_OUT(GPIO12, AF3, DRIVE_LOW) +#define GPIO13_CLK_EXT MFP_CFG_IN(GPIO13, AF1) + +/* OS Timer Signals */ +#define GPIO11_EXT_SYNC_0 MFP_CFG_IN(GPIO11, AF1) +#define GPIO12_EXT_SYNC_1 MFP_CFG_IN(GPIO12, AF1) +#define GPIO9_CHOUT_0 MFP_CFG_OUT(GPIO9, AF3, DRIVE_LOW) +#define GPIO10_CHOUT_1 MFP_CFG_OUT(GPIO10, AF3, DRIVE_LOW) +#define GPIO11_CHOUT_0 MFP_CFG_OUT(GPIO11, AF1, DRIVE_LOW) +#define GPIO12_CHOUT_1 MFP_CFG_OUT(GPIO12, AF1, DRIVE_LOW) + +/* SDRAM and Static Memory I/O Signals */ +#define GPIO20_nSDCS_2 MFP_CFG_OUT(GPIO20, AF1, DRIVE_HIGH) +#define GPIO21_nSDCS_3 MFP_CFG_OUT(GPIO21, AF1, DRIVE_HIGH) +#define GPIO15_nCS_1 MFP_CFG_OUT(GPIO15, AF2, DRIVE_HIGH) +#define GPIO78_nCS_2 MFP_CFG_OUT(GPIO78, AF2, DRIVE_HIGH) +#define GPIO79_nCS_3 MFP_CFG_OUT(GPIO79, AF2, DRIVE_HIGH) +#define GPIO80_nCS_4 MFP_CFG_OUT(GPIO80, AF2, DRIVE_HIGH) +#define GPIO33_nCS_5 MFP_CFG_OUT(GPIO33, AF2, DRIVE_HIGH) + +/* Miscellaneous I/O and DMA Signals */ +#define GPIO21_DVAL_0 MFP_CFG_OUT(GPIO21, AF2, DRIVE_HIGH) +#define GPIO116_DVAL_0 MFP_CFG_OUT(GPIO116, AF1, DRIVE_HIGH) +#define GPIO33_DVAL_1 MFP_CFG_OUT(GPIO33, AF1, DRIVE_HIGH) +#define GPIO96_DVAL_1 MFP_CFG_OUT(GPIO96, AF2, DRIVE_HIGH) +#define GPIO18_RDY MFP_CFG_IN(GPIO18, AF1) +#define GPIO20_DREQ_0 MFP_CFG_IN(GPIO20, AF1) +#define GPIO115_DREQ_0 MFP_CFG_IN(GPIO115, AF1) +#define GPIO80_DREQ_1 MFP_CFG_IN(GPIO80, AF1) +#define GPIO97_DREQ_1 MFP_CFG_IN(GPIO97, AF2) +#define GPIO85_DREQ_2 MFP_CFG_IN(GPIO85, AF2) +#define GPIO100_DREQ_2 MFP_CFG_IN(GPIO100, AF2) + +/* Alternate Bus Master Mode I/O Signals */ +#define GPIO20_MBREQ MFP_CFG_IN(GPIO20, AF2) +#define GPIO80_MBREQ MFP_CFG_IN(GPIO80, AF2) +#define GPIO96_MBREQ MFP_CFG_IN(GPIO96, AF2) +#define GPIO115_MBREQ MFP_CFG_IN(GPIO115, AF3) +#define GPIO21_MBGNT MFP_CFG_OUT(GPIO21, AF3, DRIVE_LOW) +#define GPIO33_MBGNT MFP_CFG_OUT(GPIO33, AF3, DRIVE_LOW) +#define GPIO97_MBGNT MFP_CFG_OUT(GPIO97, AF2, DRIVE_LOW) +#define GPIO116_MBGNT MFP_CFG_OUT(GPIO116, AF3, DRIVE_LOW) + +/* PC CARD */ +#define GPIO15_nPCE_1 MFP_CFG_OUT(GPIO15, AF1, DRIVE_HIGH) +#define GPIO85_nPCE_1 MFP_CFG_OUT(GPIO85, AF1, DRIVE_HIGH) +#define GPIO86_nPCE_1 MFP_CFG_OUT(GPIO86, AF1, DRIVE_HIGH) +#define GPIO102_nPCE_1 MFP_CFG_OUT(GPIO102, AF1, DRIVE_HIGH) +#define GPIO54_nPCE_2 MFP_CFG_OUT(GPIO54, AF2, DRIVE_HIGH) +#define GPIO78_nPCE_2 MFP_CFG_OUT(GPIO78, AF1, DRIVE_HIGH) +#define GPIO87_nPCE_2 MFP_CFG_IN(GPIO87, AF1) +#define GPIO55_nPREG MFP_CFG_OUT(GPIO55, AF2, DRIVE_HIGH) +#define GPIO50_nPIOR MFP_CFG_OUT(GPIO50, AF2, DRIVE_HIGH) +#define GPIO51_nPIOW MFP_CFG_OUT(GPIO51, AF2, DRIVE_HIGH) +#define GPIO49_nPWE MFP_CFG_OUT(GPIO49, AF2, DRIVE_HIGH) +#define GPIO48_nPOE MFP_CFG_OUT(GPIO48, AF2, DRIVE_HIGH) +#define GPIO57_nIOIS16 MFP_CFG_IN(GPIO57, AF1) +#define GPIO56_nPWAIT MFP_CFG_IN(GPIO56, AF1) +#define GPIO79_PSKTSEL MFP_CFG_OUT(GPIO79, AF1, DRIVE_HIGH) +#define GPIO104_PSKTSEL MFP_CFG_OUT(GPIO104, AF1, DRIVE_HIGH) + +/* I2C */ +#define GPIO117_I2C_SCL MFP_CFG_IN(GPIO117, AF1) +#define GPIO118_I2C_SDA MFP_CFG_IN(GPIO118, AF1) + +/* FFUART */ +#define GPIO9_FFUART_CTS MFP_CFG_IN(GPIO9, AF3) +#define GPIO26_FFUART_CTS MFP_CFG_IN(GPIO26, AF3) +#define GPIO35_FFUART_CTS MFP_CFG_IN(GPIO35, AF1) +#define GPIO100_FFUART_CTS MFP_CFG_IN(GPIO100, AF3) +#define GPIO10_FFUART_DCD MFP_CFG_IN(GPIO10, AF1) +#define GPIO36_FFUART_DCD MFP_CFG_IN(GPIO36, AF1) +#define GPIO33_FFUART_DSR MFP_CFG_IN(GPIO33, AF2) +#define GPIO37_FFUART_DSR MFP_CFG_IN(GPIO37, AF1) +#define GPIO38_FFUART_RI MFP_CFG_IN(GPIO38, AF1) +#define GPIO89_FFUART_RI MFP_CFG_IN(GPIO89, AF3) +#define GPIO19_FFUART_RXD MFP_CFG_IN(GPIO19, AF3) +#define GPIO33_FFUART_RXD MFP_CFG_IN(GPIO33, AF1) +#define GPIO34_FFUART_RXD MFP_CFG_IN(GPIO34, AF1) +#define GPIO41_FFUART_RXD MFP_CFG_IN(GPIO41, AF1) +#define GPIO53_FFUART_RXD MFP_CFG_IN(GPIO53, AF1) +#define GPIO85_FFUART_RXD MFP_CFG_IN(GPIO85, AF1) +#define GPIO96_FFUART_RXD MFP_CFG_IN(GPIO96, AF3) +#define GPIO102_FFUART_RXD MFP_CFG_IN(GPIO102, AF3) +#define GPIO16_FFUART_TXD MFP_CFG_OUT(GPIO16, AF3, DRIVE_HIGH) +#define GPIO37_FFUART_TXD MFP_CFG_OUT(GPIO37, AF3, DRIVE_HIGH) +#define GPIO39_FFUART_TXD MFP_CFG_OUT(GPIO39, AF2, DRIVE_HIGH) +#define GPIO83_FFUART_TXD MFP_CFG_OUT(GPIO83, AF2, DRIVE_HIGH) +#define GPIO99_FFUART_TXD MFP_CFG_OUT(GPIO99, AF3, DRIVE_HIGH) +#define GPIO27_FFUART_RTS MFP_CFG_OUT(GPIO27, AF3, DRIVE_HIGH) +#define GPIO41_FFUART_RTS MFP_CFG_OUT(GPIO41, AF2, DRIVE_HIGH) +#define GPIO83_FFUART_RTS MFP_CFG_OUT(GPIO83, AF3, DRIVE_HIGH) +#define GPIO98_FFUART_RTS MFP_CFG_OUT(GPIO98, AF3, DRIVE_HIGH) +#define GPIO40_FFUART_DTR MFP_CFG_OUT(GPIO40, AF2, DRIVE_HIGH) +#define GPIO82_FFUART_DTR MFP_CFG_OUT(GPIO82, AF3, DRIVE_HIGH) + +/* BTUART */ +#define GPIO44_BTUART_CTS MFP_CFG_IN(GPIO44, AF1) +#define GPIO42_BTUART_RXD MFP_CFG_IN(GPIO42, AF1) +#define GPIO45_BTUART_RTS MFP_CFG_OUT(GPIO45, AF2, DRIVE_HIGH) +#define GPIO45_BTUART_RTS_LPM_LOW MFP_CFG_OUT(GPIO45, AF2, DRIVE_LOW) +#define GPIO43_BTUART_TXD MFP_CFG_OUT(GPIO43, AF2, DRIVE_HIGH) +#define GPIO43_BTUART_TXD_LPM_LOW MFP_CFG_OUT(GPIO43, AF2, DRIVE_LOW) + +/* STUART */ +#define GPIO46_STUART_RXD MFP_CFG_IN(GPIO46, AF2) +#define GPIO47_STUART_TXD MFP_CFG_OUT(GPIO47, AF1, DRIVE_HIGH) + +/* FICP */ +#define GPIO42_FICP_RXD MFP_CFG_IN(GPIO42, AF2) +#define GPIO46_FICP_RXD MFP_CFG_IN(GPIO46, AF1) +#define GPIO43_FICP_TXD MFP_CFG_OUT(GPIO43, AF1, DRIVE_HIGH) +#define GPIO47_FICP_TXD MFP_CFG_OUT(GPIO47, AF2, DRIVE_HIGH) + +/* PWM 0/1/2/3 */ +#define GPIO11_PWM2_OUT MFP_CFG_OUT(GPIO11, AF2, DRIVE_LOW) +#define GPIO12_PWM3_OUT MFP_CFG_OUT(GPIO12, AF2, DRIVE_LOW) +#define GPIO16_PWM0_OUT MFP_CFG_OUT(GPIO16, AF2, DRIVE_LOW) +#define GPIO17_PWM1_OUT MFP_CFG_OUT(GPIO17, AF2, DRIVE_LOW) +#define GPIO38_PWM1_OUT MFP_CFG_OUT(GPIO38, AF3, DRIVE_LOW) +#define GPIO46_PWM2_OUT MFP_CFG_OUT(GPIO46, AF2, DRIVE_LOW) +#define GPIO47_PWM3_OUT MFP_CFG_OUT(GPIO47, AF3, DRIVE_LOW) +#define GPIO79_PWM2_OUT MFP_CFG_OUT(GPIO79, AF3, DRIVE_LOW) +#define GPIO80_PWM3_OUT MFP_CFG_OUT(GPIO80, AF3, DRIVE_LOW) +#define GPIO115_PWM1_OUT MFP_CFG_OUT(GPIO115, AF3, DRIVE_LOW) + +/* AC97 */ +#define GPIO31_AC97_SYNC MFP_CFG_OUT(GPIO31, AF2, DRIVE_LOW) +#define GPIO94_AC97_SYNC MFP_CFG_OUT(GPIO94, AF1, DRIVE_LOW) +#define GPIO30_AC97_SDATA_OUT MFP_CFG_OUT(GPIO30, AF2, DRIVE_LOW) +#define GPIO93_AC97_SDATA_OUT MFP_CFG_OUT(GPIO93, AF1, DRIVE_LOW) +#define GPIO45_AC97_SYSCLK MFP_CFG_OUT(GPIO45, AF1, DRIVE_LOW) +#define GPIO89_AC97_SYSCLK MFP_CFG_OUT(GPIO89, AF1, DRIVE_LOW) +#define GPIO98_AC97_SYSCLK MFP_CFG_OUT(GPIO98, AF1, DRIVE_LOW) +#define GPIO95_AC97_nRESET MFP_CFG_OUT(GPIO95, AF1, DRIVE_LOW) +#define GPIO113_AC97_nRESET MFP_CFG_OUT(GPIO113, AF2, DRIVE_LOW) +#define GPIO28_AC97_BITCLK MFP_CFG_IN(GPIO28, AF1) +#define GPIO29_AC97_SDATA_IN_0 MFP_CFG_IN(GPIO29, AF1) +#define GPIO116_AC97_SDATA_IN_0 MFP_CFG_IN(GPIO116, AF2) +#define GPIO99_AC97_SDATA_IN_1 MFP_CFG_IN(GPIO99, AF2) + +/* I2S */ +#define GPIO28_I2S_BITCLK_IN MFP_CFG_IN(GPIO28, AF2) +#define GPIO28_I2S_BITCLK_OUT MFP_CFG_OUT(GPIO28, AF1, DRIVE_LOW) +#define GPIO29_I2S_SDATA_IN MFP_CFG_IN(GPIO29, AF2) +#define GPIO30_I2S_SDATA_OUT MFP_CFG_OUT(GPIO30, AF1, DRIVE_LOW) +#define GPIO31_I2S_SYNC MFP_CFG_OUT(GPIO31, AF1, DRIVE_LOW) +#define GPIO113_I2S_SYSCLK MFP_CFG_OUT(GPIO113, AF1, DRIVE_LOW) + +/* SSP 1 */ +#define GPIO23_SSP1_SCLK_IN MFP_CFG_IN(GPIO23, AF2) +#define GPIO23_SSP1_SCLK MFP_CFG_OUT(GPIO23, AF2, DRIVE_LOW) +#define GPIO29_SSP1_SCLK MFP_CFG_IN(GPIO29, AF3) +#define GPIO27_SSP1_SYSCLK MFP_CFG_OUT(GPIO27, AF1, DRIVE_LOW) +#define GPIO53_SSP1_SYSCLK MFP_CFG_OUT(GPIO53, AF3, DRIVE_LOW) +#define GPIO24_SSP1_SFRM MFP_CFG_IN(GPIO24, AF2) +#define GPIO28_SSP1_SFRM MFP_CFG_IN(GPIO28, AF3) +#define GPIO25_SSP1_TXD MFP_CFG_OUT(GPIO25, AF2, DRIVE_LOW) +#define GPIO57_SSP1_TXD MFP_CFG_OUT(GPIO57, AF3, DRIVE_LOW) +#define GPIO26_SSP1_RXD MFP_CFG_IN(GPIO26, AF1) +#define GPIO27_SSP1_SCLKEN MFP_CFG_IN(GPIO27, AF2) + +/* SSP 2 */ +#define GPIO19_SSP2_SCLK MFP_CFG_IN(GPIO19, AF1) +#define GPIO22_SSP2_SCLK MFP_CFG_IN(GPIO22, AF3) +#define GPIO29_SSP2_SCLK MFP_CFG_OUT(GPIO29, AF3, DRIVE_LOW) +#define GPIO36_SSP2_SCLK MFP_CFG_IN(GPIO36, AF2) +#define GPIO50_SSP2_SCLK MFP_CFG_IN(GPIO50, AF3) +#define GPIO22_SSP2_SYSCLK MFP_CFG_OUT(GPIO22, AF2, DRIVE_LOW) +#define GPIO14_SSP2_SFRM MFP_CFG_IN(GPIO14, AF2) +#define GPIO37_SSP2_SFRM MFP_CFG_IN(GPIO37, AF2) +#define GPIO87_SSP2_SFRM MFP_CFG_OUT(GPIO87, AF3, DRIVE_LOW) +#define GPIO88_SSP2_SFRM MFP_CFG_IN(GPIO88, AF3) +#define GPIO13_SSP2_TXD MFP_CFG_OUT(GPIO13, AF1, DRIVE_LOW) +#define GPIO38_SSP2_TXD MFP_CFG_OUT(GPIO38, AF2, DRIVE_LOW) +#define GPIO87_SSP2_TXD MFP_CFG_OUT(GPIO87, AF1, DRIVE_LOW) +#define GPIO89_SSP2_TXD MFP_CFG_OUT(GPIO89, AF3, DRIVE_LOW) +#define GPIO11_SSP2_RXD MFP_CFG_IN(GPIO11, AF2) +#define GPIO29_SSP2_RXD MFP_CFG_OUT(GPIO29, AF1, DRIVE_LOW) +#define GPIO40_SSP2_RXD MFP_CFG_IN(GPIO40, AF1) +#define GPIO86_SSP2_RXD MFP_CFG_IN(GPIO86, AF1) +#define GPIO88_SSP2_RXD MFP_CFG_IN(GPIO88, AF2) +#define GPIO22_SSP2_EXTCLK MFP_CFG_IN(GPIO22, AF1) +#define GPIO27_SSP2_EXTCLK MFP_CFG_IN(GPIO27, AF1) +#define GPIO22_SSP2_SCLKEN MFP_CFG_IN(GPIO22, AF2) +#define GPIO23_SSP2_SCLKEN MFP_CFG_IN(GPIO23, AF2) + +/* SSP 3 */ +#define GPIO34_SSP3_SCLK MFP_CFG_IN(GPIO34, AF3) +#define GPIO40_SSP3_SCLK MFP_CFG_OUT(GPIO40, AF3, DRIVE_LOW) +#define GPIO52_SSP3_SCLK MFP_CFG_IN(GPIO52, AF2) +#define GPIO84_SSP3_SCLK MFP_CFG_IN(GPIO84, AF1) +#define GPIO45_SSP3_SYSCLK MFP_CFG_OUT(GPIO45, AF3, DRIVE_LOW) +#define GPIO35_SSP3_SFRM MFP_CFG_IN(GPIO35, AF3) +#define GPIO39_SSP3_SFRM MFP_CFG_IN(GPIO39, AF3) +#define GPIO83_SSP3_SFRM MFP_CFG_IN(GPIO83, AF1) +#define GPIO35_SSP3_TXD MFP_CFG_OUT(GPIO35, AF3, DRIVE_LOW) +#define GPIO38_SSP3_TXD MFP_CFG_OUT(GPIO38, AF1, DRIVE_LOW) +#define GPIO81_SSP3_TXD MFP_CFG_OUT(GPIO81, AF1, DRIVE_LOW) +#define GPIO41_SSP3_RXD MFP_CFG_IN(GPIO41, AF3) +#define GPIO82_SSP3_RXD MFP_CFG_IN(GPIO82, AF1) +#define GPIO89_SSP3_RXD MFP_CFG_IN(GPIO89, AF1) + +/* MMC */ +#define GPIO32_MMC_CLK MFP_CFG_OUT(GPIO32, AF2, DRIVE_LOW) +#define GPIO92_MMC_DAT_0 MFP_CFG_IN(GPIO92, AF1) +#define GPIO109_MMC_DAT_1 MFP_CFG_IN(GPIO109, AF1) +#define GPIO110_MMC_DAT_2 MFP_CFG_IN(GPIO110, AF1) +#define GPIO111_MMC_DAT_3 MFP_CFG_IN(GPIO111, AF1) +#define GPIO112_MMC_CMD MFP_CFG_IN(GPIO112, AF1) + +/* LCD */ +#define GPIO58_LCD_LDD_0 MFP_CFG_OUT(GPIO58, AF2, DRIVE_LOW) +#define GPIO59_LCD_LDD_1 MFP_CFG_OUT(GPIO59, AF2, DRIVE_LOW) +#define GPIO60_LCD_LDD_2 MFP_CFG_OUT(GPIO60, AF2, DRIVE_LOW) +#define GPIO61_LCD_LDD_3 MFP_CFG_OUT(GPIO61, AF2, DRIVE_LOW) +#define GPIO62_LCD_LDD_4 MFP_CFG_OUT(GPIO62, AF2, DRIVE_LOW) +#define GPIO63_LCD_LDD_5 MFP_CFG_OUT(GPIO63, AF2, DRIVE_LOW) +#define GPIO64_LCD_LDD_6 MFP_CFG_OUT(GPIO64, AF2, DRIVE_LOW) +#define GPIO65_LCD_LDD_7 MFP_CFG_OUT(GPIO65, AF2, DRIVE_LOW) +#define GPIO66_LCD_LDD_8 MFP_CFG_OUT(GPIO66, AF2, DRIVE_LOW) +#define GPIO67_LCD_LDD_9 MFP_CFG_OUT(GPIO67, AF2, DRIVE_LOW) +#define GPIO68_LCD_LDD_10 MFP_CFG_OUT(GPIO68, AF2, DRIVE_LOW) +#define GPIO69_LCD_LDD_11 MFP_CFG_OUT(GPIO69, AF2, DRIVE_LOW) +#define GPIO70_LCD_LDD_12 MFP_CFG_OUT(GPIO70, AF2, DRIVE_LOW) +#define GPIO71_LCD_LDD_13 MFP_CFG_OUT(GPIO71, AF2, DRIVE_LOW) +#define GPIO72_LCD_LDD_14 MFP_CFG_OUT(GPIO72, AF2, DRIVE_LOW) +#define GPIO73_LCD_LDD_15 MFP_CFG_OUT(GPIO73, AF2, DRIVE_LOW) +#define GPIO86_LCD_LDD_16 MFP_CFG_OUT(GPIO86, AF2, DRIVE_LOW) +#define GPIO87_LCD_LDD_17 MFP_CFG_OUT(GPIO87, AF2, DRIVE_LOW) +#define GPIO74_LCD_FCLK MFP_CFG_OUT(GPIO74, AF2, DRIVE_LOW) +#define GPIO75_LCD_LCLK MFP_CFG_OUT(GPIO75, AF2, DRIVE_LOW) +#define GPIO76_LCD_PCLK MFP_CFG_OUT(GPIO76, AF2, DRIVE_LOW) +#define GPIO77_LCD_BIAS MFP_CFG_OUT(GPIO77, AF2, DRIVE_LOW) +#define GPIO14_LCD_VSYNC MFP_CFG_IN(GPIO14, AF1) +#define GPIO19_LCD_CS MFP_CFG_OUT(GPIO19, AF2, DRIVE_LOW) + +/* Keypad */ +#define GPIO93_KP_DKIN_0 MFP_CFG_IN(GPIO93, AF1) +#define GPIO94_KP_DKIN_1 MFP_CFG_IN(GPIO94, AF1) +#define GPIO95_KP_DKIN_2 MFP_CFG_IN(GPIO95, AF1) +#define GPIO96_KP_DKIN_3 MFP_CFG_IN(GPIO96, AF1) +#define GPIO97_KP_DKIN_4 MFP_CFG_IN(GPIO97, AF1) +#define GPIO98_KP_DKIN_5 MFP_CFG_IN(GPIO98, AF1) +#define GPIO99_KP_DKIN_6 MFP_CFG_IN(GPIO99, AF1) +#define GPIO13_KP_KDIN_7 MFP_CFG_IN(GPIO13, AF2) +#define GPIO100_KP_MKIN_0 MFP_CFG_IN(GPIO100, AF1) +#define GPIO101_KP_MKIN_1 MFP_CFG_IN(GPIO101, AF1) +#define GPIO102_KP_MKIN_2 MFP_CFG_IN(GPIO102, AF1) +#define GPIO34_KP_MKIN_3 MFP_CFG_IN(GPIO34, AF2) +#define GPIO37_KP_MKIN_3 MFP_CFG_IN(GPIO37, AF3) +#define GPIO97_KP_MKIN_3 MFP_CFG_IN(GPIO97, AF3) +#define GPIO98_KP_MKIN_4 MFP_CFG_IN(GPIO98, AF3) +#define GPIO38_KP_MKIN_4 MFP_CFG_IN(GPIO38, AF2) +#define GPIO39_KP_MKIN_4 MFP_CFG_IN(GPIO39, AF1) +#define GPIO16_KP_MKIN_5 MFP_CFG_IN(GPIO16, AF1) +#define GPIO90_KP_MKIN_5 MFP_CFG_IN(GPIO90, AF1) +#define GPIO99_KP_MKIN_5 MFP_CFG_IN(GPIO99, AF3) +#define GPIO17_KP_MKIN_6 MFP_CFG_IN(GPIO17, AF1) +#define GPIO91_KP_MKIN_6 MFP_CFG_IN(GPIO91, AF1) +#define GPIO95_KP_MKIN_6 MFP_CFG_IN(GPIO95, AF3) +#define GPIO13_KP_MKIN_7 MFP_CFG_IN(GPIO13, AF3) +#define GPIO36_KP_MKIN_7 MFP_CFG_IN(GPIO36, AF3) +#define GPIO103_KP_MKOUT_0 MFP_CFG_OUT(GPIO103, AF2, DRIVE_HIGH) +#define GPIO104_KP_MKOUT_1 MFP_CFG_OUT(GPIO104, AF2, DRIVE_HIGH) +#define GPIO105_KP_MKOUT_2 MFP_CFG_OUT(GPIO105, AF2, DRIVE_HIGH) +#define GPIO106_KP_MKOUT_3 MFP_CFG_OUT(GPIO106, AF2, DRIVE_HIGH) +#define GPIO107_KP_MKOUT_4 MFP_CFG_OUT(GPIO107, AF2, DRIVE_HIGH) +#define GPIO108_KP_MKOUT_5 MFP_CFG_OUT(GPIO108, AF2, DRIVE_HIGH) +#define GPIO35_KP_MKOUT_6 MFP_CFG_OUT(GPIO35, AF2, DRIVE_HIGH) +#define GPIO22_KP_MKOUT_7 MFP_CFG_OUT(GPIO22, AF1, DRIVE_HIGH) +#define GPIO40_KP_MKOUT_6 MFP_CFG_OUT(GPIO40, AF1, DRIVE_HIGH) +#define GPIO41_KP_MKOUT_7 MFP_CFG_OUT(GPIO41, AF1, DRIVE_HIGH) +#define GPIO96_KP_MKOUT_6 MFP_CFG_OUT(GPIO96, AF3, DRIVE_HIGH) + +/* USB P3 */ +#define GPIO10_USB_P3_5 MFP_CFG_IN(GPIO10, AF3) +#define GPIO11_USB_P3_1 MFP_CFG_IN(GPIO11, AF3) +#define GPIO30_USB_P3_2 MFP_CFG_OUT(GPIO30, AF3, DRIVE_LOW) +#define GPIO31_USB_P3_6 MFP_CFG_OUT(GPIO31, AF3, DRIVE_LOW) +#define GPIO56_USB_P3_4 MFP_CFG_OUT(GPIO56, AF1, DRIVE_LOW) +#define GPIO86_USB_P3_5 MFP_CFG_IN(GPIO86, AF3) +#define GPIO87_USB_P3_1 MFP_CFG_IN(GPIO87, AF3) +#define GPIO90_USB_P3_5 MFP_CFG_IN(GPIO90, AF2) +#define GPIO91_USB_P3_1 MFP_CFG_IN(GPIO91, AF2) +#define GPIO113_USB_P3_3 MFP_CFG_IN(GPIO113, AF3) + +/* USB P2 */ +#define GPIO34_USB_P2_2 MFP_CFG_OUT(GPIO34, AF1, DRIVE_LOW) +#define GPIO35_USB_P2_1 MFP_CFG_IN(GPIO35, AF2) +#define GPIO36_USB_P2_4 MFP_CFG_OUT(GPIO36, AF1, DRIVE_LOW) +#define GPIO37_USB_P2_8 MFP_CFG_OUT(GPIO37, AF1, DRIVE_LOW) +#define GPIO38_USB_P2_3 MFP_CFG_IN(GPIO38, AF3) +#define GPIO39_USB_P2_6 MFP_CFG_OUT(GPIO39, AF1, DRIVE_LOW) +#define GPIO40_USB_P2_5 MFP_CFG_IN(GPIO40, AF3) +#define GPIO41_USB_P2_7 MFP_CFG_IN(GPIO41, AF2) +#define GPIO53_USB_P2_3 MFP_CFG_IN(GPIO53, AF2) + +/* USB Host Port 1/2 */ +#define GPIO88_USBH1_PWR MFP_CFG_IN(GPIO88, AF1) +#define GPIO89_USBH1_PEN MFP_CFG_OUT(GPIO89, AF2, DRIVE_LOW) +#define GPIO119_USBH2_PWR MFP_CFG_IN(GPIO119, AF1) +#define GPIO120_USBH2_PEN MFP_CFG_OUT(GPIO120, AF2, DRIVE_LOW) + +/* QCI - default to Master Mode: CIF_FV/CIF_LV Direction In */ +#define GPIO115_CIF_DD_3 MFP_CFG_IN(GPIO115, AF2) +#define GPIO116_CIF_DD_2 MFP_CFG_IN(GPIO116, AF1) +#define GPIO12_CIF_DD_7 MFP_CFG_IN(GPIO12, AF2) +#define GPIO17_CIF_DD_6 MFP_CFG_IN(GPIO17, AF2) +#define GPIO23_CIF_MCLK MFP_CFG_OUT(GPIO23, AF1, DRIVE_LOW) +#define GPIO24_CIF_FV MFP_CFG_IN(GPIO24, AF1) +#define GPIO25_CIF_LV MFP_CFG_IN(GPIO25, AF1) +#define GPIO26_CIF_PCLK MFP_CFG_IN(GPIO26, AF2) +#define GPIO27_CIF_DD_0 MFP_CFG_IN(GPIO27, AF3) +#define GPIO42_CIF_MCLK MFP_CFG_OUT(GPIO42, AF3, DRIVE_LOW) +#define GPIO43_CIF_FV MFP_CFG_IN(GPIO43, AF3) +#define GPIO44_CIF_LV MFP_CFG_IN(GPIO44, AF3) +#define GPIO45_CIF_PCLK MFP_CFG_IN(GPIO45, AF3) +#define GPIO47_CIF_DD_0 MFP_CFG_IN(GPIO47, AF1) +#define GPIO48_CIF_DD_5 MFP_CFG_IN(GPIO48, AF1) +#define GPIO50_CIF_DD_3 MFP_CFG_IN(GPIO50, AF1) +#define GPIO51_CIF_DD_2 MFP_CFG_IN(GPIO51, AF1) +#define GPIO52_CIF_DD_4 MFP_CFG_IN(GPIO52, AF1) +#define GPIO53_CIF_MCLK MFP_CFG_OUT(GPIO53, AF2, DRIVE_LOW) +#define GPIO54_CIF_PCLK MFP_CFG_IN(GPIO54, AF3) +#define GPIO55_CIF_DD_1 MFP_CFG_IN(GPIO55, AF1) +#define GPIO81_CIF_DD_0 MFP_CFG_IN(GPIO81, AF2) +#define GPIO82_CIF_DD_5 MFP_CFG_IN(GPIO82, AF3) +#define GPIO83_CIF_DD_4 MFP_CFG_IN(GPIO83, AF3) +#define GPIO84_CIF_FV MFP_CFG_IN(GPIO84, AF3) +#define GPIO85_CIF_LV MFP_CFG_IN(GPIO85, AF3) +#define GPIO90_CIF_DD_4 MFP_CFG_IN(GPIO90, AF3) +#define GPIO91_CIF_DD_5 MFP_CFG_IN(GPIO91, AF3) +#define GPIO93_CIF_DD_6 MFP_CFG_IN(GPIO93, AF2) +#define GPIO94_CIF_DD_5 MFP_CFG_IN(GPIO94, AF2) +#define GPIO95_CIF_DD_4 MFP_CFG_IN(GPIO95, AF2) +#define GPIO98_CIF_DD_0 MFP_CFG_IN(GPIO98, AF2) +#define GPIO103_CIF_DD_3 MFP_CFG_IN(GPIO103, AF1) +#define GPIO104_CIF_DD_2 MFP_CFG_IN(GPIO104, AF1) +#define GPIO105_CIF_DD_1 MFP_CFG_IN(GPIO105, AF1) +#define GPIO106_CIF_DD_9 MFP_CFG_IN(GPIO106, AF1) +#define GPIO107_CIF_DD_8 MFP_CFG_IN(GPIO107, AF1) +#define GPIO108_CIF_DD_7 MFP_CFG_IN(GPIO108, AF1) +#define GPIO114_CIF_DD_1 MFP_CFG_IN(GPIO114, AF1) + +/* Universal Subscriber ID Interface */ +#define GPIO114_UVS0 MFP_CFG_OUT(GPIO114, AF2, DRIVE_LOW) +#define GPIO115_nUVS1 MFP_CFG_OUT(GPIO115, AF2, DRIVE_LOW) +#define GPIO116_nUVS2 MFP_CFG_OUT(GPIO116, AF2, DRIVE_LOW) +#define GPIO14_UCLK MFP_CFG_OUT(GPIO14, AF3, DRIVE_LOW) +#define GPIO91_UCLK MFP_CFG_OUT(GPIO91, AF2, DRIVE_LOW) +#define GPIO19_nURST MFP_CFG_OUT(GPIO19, AF3, DRIVE_LOW) +#define GPIO90_nURST MFP_CFG_OUT(GPIO90, AF2, DRIVE_LOW) +#define GPIO116_UDET MFP_CFG_IN(GPIO116, AF3) +#define GPIO114_UEN MFP_CFG_OUT(GPIO114, AF1, DRIVE_LOW) +#define GPIO115_UEN MFP_CFG_OUT(GPIO115, AF1, DRIVE_LOW) + +/* Mobile Scalable Link (MSL) Interface */ +#define GPIO81_BB_OB_DAT_0 MFP_CFG_OUT(GPIO81, AF2, DRIVE_LOW) +#define GPIO48_BB_OB_DAT_1 MFP_CFG_OUT(GPIO48, AF1, DRIVE_LOW) +#define GPIO50_BB_OB_DAT_2 MFP_CFG_OUT(GPIO50, AF1, DRIVE_LOW) +#define GPIO51_BB_OB_DAT_3 MFP_CFG_OUT(GPIO51, AF1, DRIVE_LOW) +#define GPIO52_BB_OB_CLK MFP_CFG_OUT(GPIO52, AF1, DRIVE_LOW) +#define GPIO53_BB_OB_STB MFP_CFG_OUT(GPIO53, AF1, DRIVE_LOW) +#define GPIO54_BB_OB_WAIT MFP_CFG_IN(GPIO54, AF2) +#define GPIO82_BB_IB_DAT_0 MFP_CFG_IN(GPIO82, AF2) +#define GPIO55_BB_IB_DAT_1 MFP_CFG_IN(GPIO55, AF2) +#define GPIO56_BB_IB_DAT_2 MFP_CFG_IN(GPIO56, AF2) +#define GPIO57_BB_IB_DAT_3 MFP_CFG_IN(GPIO57, AF2) +#define GPIO83_BB_IB_CLK MFP_CFG_IN(GPIO83, AF2) +#define GPIO84_BB_IB_STB MFP_CFG_IN(GPIO84, AF2) +#define GPIO85_BB_IB_WAIT MFP_CFG_OUT(GPIO85, AF2, DRIVE_LOW) + +/* Memory Stick Host Controller */ +#define GPIO92_MSBS MFP_CFG_OUT(GPIO92, AF2, DRIVE_LOW) +#define GPIO109_MSSDIO MFP_CFG_IN(GPIO109, AF2) +#define GPIO112_nMSINS MFP_CFG_IN(GPIO112, AF2) +#define GPIO32_MSSCLK MFP_CFG_OUT(GPIO32, AF1, DRIVE_LOW) + +/* commonly used pin configurations */ +#define GPIOxx_LCD_16BPP \ + GPIO58_LCD_LDD_0, \ + GPIO59_LCD_LDD_1, \ + GPIO60_LCD_LDD_2, \ + GPIO61_LCD_LDD_3, \ + GPIO62_LCD_LDD_4, \ + GPIO63_LCD_LDD_5, \ + GPIO64_LCD_LDD_6, \ + GPIO65_LCD_LDD_7, \ + GPIO66_LCD_LDD_8, \ + GPIO67_LCD_LDD_9, \ + GPIO68_LCD_LDD_10, \ + GPIO69_LCD_LDD_11, \ + GPIO70_LCD_LDD_12, \ + GPIO71_LCD_LDD_13, \ + GPIO72_LCD_LDD_14, \ + GPIO73_LCD_LDD_15 + +#define GPIOxx_LCD_TFT_16BPP \ + GPIOxx_LCD_16BPP, \ + GPIO74_LCD_FCLK, \ + GPIO75_LCD_LCLK, \ + GPIO76_LCD_PCLK, \ + GPIO77_LCD_BIAS + +/* these enable a work-around for a hw bug in pxa27x during ac97 warm reset */ +#define GPIO113_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO113, AF0, DEFAULT) +#define GPIO95_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO95, AF0, DEFAULT) + +extern int keypad_set_wake(unsigned int on); +#endif /* __ASM_ARCH_MFP_PXA27X_H */ diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c new file mode 100644 index 0000000000..f5a3d890f6 --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -0,0 +1,434 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/mfp-pxa2xx.c + * + * PXA2xx pin mux configuration support + * + * The GPIOs on PXA2xx can be configured as one of many alternate + * functions, this is by concept samilar to the MFP configuration + * on PXA3xx, what's more important, the low power pin state and + * wakeup detection are also supported by the same framework. + */ +#include <linux/gpio.h> +#include <linux/gpio-pxa.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/syscore_ops.h> +#include <linux/soc/pxa/cpu.h> + +#include "pxa2xx-regs.h" +#include "mfp-pxa2xx.h" +#include "mfp-pxa27x.h" + +#include "generic.h" + +#define PGSR(x) __REG2(0x40F00020, (x) << 2) +#define __GAFR(u, x) __REG2((u) ? 0x40E00058 : 0x40E00054, (x) << 3) +#define GAFR_L(x) __GAFR(0, x) +#define GAFR_U(x) __GAFR(1, x) + +#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) +#define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) +#define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) +#define GPSR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18) +#define GPCR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24) + +#define PWER_WE35 (1 << 24) + +struct gpio_desc { + unsigned valid : 1; + unsigned can_wakeup : 1; + unsigned keypad_gpio : 1; + unsigned dir_inverted : 1; + unsigned int mask; /* bit mask in PWER or PKWR */ + unsigned int mux_mask; /* bit mask of muxed gpio bits, 0 if no mux */ + unsigned long config; +}; + +static struct gpio_desc gpio_desc[MFP_PIN_GPIO127 + 1]; + +static unsigned long gpdr_lpm[4]; + +static int __mfp_config_gpio(unsigned gpio, unsigned long c) +{ + unsigned long gafr, mask = GPIO_bit(gpio); + int bank = gpio_to_bank(gpio); + int uorl = !!(gpio & 0x10); /* GAFRx_U or GAFRx_L ? */ + int shft = (gpio & 0xf) << 1; + int fn = MFP_AF(c); + int is_out = (c & MFP_DIR_OUT) ? 1 : 0; + + if (fn > 3) + return -EINVAL; + + /* alternate function and direction at run-time */ + gafr = (uorl == 0) ? GAFR_L(bank) : GAFR_U(bank); + gafr = (gafr & ~(0x3 << shft)) | (fn << shft); + + if (uorl == 0) + GAFR_L(bank) = gafr; + else + GAFR_U(bank) = gafr; + + if (is_out ^ gpio_desc[gpio].dir_inverted) + GPDR(gpio) |= mask; + else + GPDR(gpio) &= ~mask; + + /* alternate function and direction at low power mode */ + switch (c & MFP_LPM_STATE_MASK) { + case MFP_LPM_DRIVE_HIGH: + PGSR(bank) |= mask; + is_out = 1; + break; + case MFP_LPM_DRIVE_LOW: + PGSR(bank) &= ~mask; + is_out = 1; + break; + case MFP_LPM_INPUT: + case MFP_LPM_DEFAULT: + break; + default: + /* warning and fall through, treat as MFP_LPM_DEFAULT */ + pr_warn("%s: GPIO%d: unsupported low power mode\n", + __func__, gpio); + break; + } + + if (is_out ^ gpio_desc[gpio].dir_inverted) + gpdr_lpm[bank] |= mask; + else + gpdr_lpm[bank] &= ~mask; + + /* give early warning if MFP_LPM_CAN_WAKEUP is set on the + * configurations of those pins not able to wakeup + */ + if ((c & MFP_LPM_CAN_WAKEUP) && !gpio_desc[gpio].can_wakeup) { + pr_warn("%s: GPIO%d unable to wakeup\n", __func__, gpio); + return -EINVAL; + } + + if ((c & MFP_LPM_CAN_WAKEUP) && is_out) { + pr_warn("%s: output GPIO%d unable to wakeup\n", __func__, gpio); + return -EINVAL; + } + + return 0; +} + +static inline int __mfp_validate(int mfp) +{ + int gpio = mfp_to_gpio(mfp); + + if ((mfp > MFP_PIN_GPIO127) || !gpio_desc[gpio].valid) { + pr_warn("%s: GPIO%d is invalid pin\n", __func__, gpio); + return -1; + } + + return gpio; +} + +void pxa2xx_mfp_config(unsigned long *mfp_cfgs, int num) +{ + unsigned long flags; + unsigned long *c; + int i, gpio; + + for (i = 0, c = mfp_cfgs; i < num; i++, c++) { + + gpio = __mfp_validate(MFP_PIN(*c)); + if (gpio < 0) + continue; + + local_irq_save(flags); + + gpio_desc[gpio].config = *c; + __mfp_config_gpio(gpio, *c); + + local_irq_restore(flags); + } +} + +void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm) +{ + unsigned long flags, c; + int gpio; + + gpio = __mfp_validate(mfp); + if (gpio < 0) + return; + + local_irq_save(flags); + + c = gpio_desc[gpio].config; + c = (c & ~MFP_LPM_STATE_MASK) | lpm; + __mfp_config_gpio(gpio, c); + + local_irq_restore(flags); +} + +int gpio_set_wake(unsigned int gpio, unsigned int on) +{ + struct gpio_desc *d; + unsigned long c, mux_taken; + + if (gpio > mfp_to_gpio(MFP_PIN_GPIO127)) + return -EINVAL; + + d = &gpio_desc[gpio]; + c = d->config; + + if (!d->valid) + return -EINVAL; + + /* Allow keypad GPIOs to wakeup system when + * configured as generic GPIOs. + */ + if (d->keypad_gpio && (MFP_AF(d->config) == 0) && + (d->config & MFP_LPM_CAN_WAKEUP)) { + if (on) + PKWR |= d->mask; + else + PKWR &= ~d->mask; + return 0; + } + + mux_taken = (PWER & d->mux_mask) & (~d->mask); + if (on && mux_taken) + return -EBUSY; + + if (d->can_wakeup && (c & MFP_LPM_CAN_WAKEUP)) { + if (on) { + PWER = (PWER & ~d->mux_mask) | d->mask; + + if (c & MFP_LPM_EDGE_RISE) + PRER |= d->mask; + else + PRER &= ~d->mask; + + if (c & MFP_LPM_EDGE_FALL) + PFER |= d->mask; + else + PFER &= ~d->mask; + } else { + PWER &= ~d->mask; + PRER &= ~d->mask; + PFER &= ~d->mask; + } + } + return 0; +} + +#ifdef CONFIG_PXA25x +static void __init pxa25x_mfp_init(void) +{ + int i; + + /* running before pxa_gpio_probe() */ + pxa_last_gpio = 84; + for (i = 0; i <= pxa_last_gpio; i++) + gpio_desc[i].valid = 1; + + for (i = 0; i <= 15; i++) { + gpio_desc[i].can_wakeup = 1; + gpio_desc[i].mask = GPIO_bit(i); + } + + /* PXA26x has additional 4 GPIOs (86/87/88/89) which has the + * direction bit inverted in GPDR2. See PXA26x DM 4.1.1. + */ + for (i = 86; i <= pxa_last_gpio; i++) + gpio_desc[i].dir_inverted = 1; +} +#else +static inline void pxa25x_mfp_init(void) {} +#endif /* CONFIG_PXA25x */ + +#ifdef CONFIG_PXA27x +static int pxa27x_pkwr_gpio[] = { + 13, 16, 17, 34, 36, 37, 38, 39, 90, 91, 93, 94, + 95, 96, 97, 98, 99, 100, 101, 102 +}; + +int keypad_set_wake(unsigned int on) +{ + unsigned int i, gpio, mask = 0; + struct gpio_desc *d; + + for (i = 0; i < ARRAY_SIZE(pxa27x_pkwr_gpio); i++) { + + gpio = pxa27x_pkwr_gpio[i]; + d = &gpio_desc[gpio]; + + /* skip if configured as generic GPIO */ + if (MFP_AF(d->config) == 0) + continue; + + if (d->config & MFP_LPM_CAN_WAKEUP) + mask |= gpio_desc[gpio].mask; + } + + if (on) + PKWR |= mask; + else + PKWR &= ~mask; + return 0; +} + +#define PWER_WEMUX2_GPIO38 (1 << 16) +#define PWER_WEMUX2_GPIO53 (2 << 16) +#define PWER_WEMUX2_GPIO40 (3 << 16) +#define PWER_WEMUX2_GPIO36 (4 << 16) +#define PWER_WEMUX2_MASK (7 << 16) +#define PWER_WEMUX3_GPIO31 (1 << 19) +#define PWER_WEMUX3_GPIO113 (2 << 19) +#define PWER_WEMUX3_MASK (3 << 19) + +#define INIT_GPIO_DESC_MUXED(mux, gpio) \ +do { \ + gpio_desc[(gpio)].can_wakeup = 1; \ + gpio_desc[(gpio)].mask = PWER_ ## mux ## _GPIO ##gpio; \ + gpio_desc[(gpio)].mux_mask = PWER_ ## mux ## _MASK; \ +} while (0) + +static void __init pxa27x_mfp_init(void) +{ + int i, gpio; + + pxa_last_gpio = 120; /* running before pxa_gpio_probe() */ + for (i = 0; i <= pxa_last_gpio; i++) { + /* skip GPIO2, 5, 6, 7, 8, they are not + * valid pins allow configuration + */ + if (i == 2 || i == 5 || i == 6 || i == 7 || i == 8) + continue; + + gpio_desc[i].valid = 1; + } + + /* Keypad GPIOs */ + for (i = 0; i < ARRAY_SIZE(pxa27x_pkwr_gpio); i++) { + gpio = pxa27x_pkwr_gpio[i]; + gpio_desc[gpio].can_wakeup = 1; + gpio_desc[gpio].keypad_gpio = 1; + gpio_desc[gpio].mask = 1 << i; + } + + /* Overwrite GPIO13 as a PWER wakeup source */ + for (i = 0; i <= 15; i++) { + /* skip GPIO2, 5, 6, 7, 8 */ + if (GPIO_bit(i) & 0x1e4) + continue; + + gpio_desc[i].can_wakeup = 1; + gpio_desc[i].mask = GPIO_bit(i); + } + + gpio_desc[35].can_wakeup = 1; + gpio_desc[35].mask = PWER_WE35; + + INIT_GPIO_DESC_MUXED(WEMUX3, 31); + INIT_GPIO_DESC_MUXED(WEMUX3, 113); + INIT_GPIO_DESC_MUXED(WEMUX2, 38); + INIT_GPIO_DESC_MUXED(WEMUX2, 53); + INIT_GPIO_DESC_MUXED(WEMUX2, 40); + INIT_GPIO_DESC_MUXED(WEMUX2, 36); +} +#else +static inline void pxa27x_mfp_init(void) {} +#endif /* CONFIG_PXA27x */ + +#ifdef CONFIG_PM +static unsigned long saved_gafr[2][4]; +static unsigned long saved_gpdr[4]; +static unsigned long saved_gplr[4]; +static unsigned long saved_pgsr[4]; + +static int pxa2xx_mfp_suspend(void) +{ + int i; + + /* set corresponding PGSR bit of those marked MFP_LPM_KEEP_OUTPUT */ + for (i = 0; i < pxa_last_gpio; i++) { + if ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && + (GPDR(i) & GPIO_bit(i))) { + if (GPLR(i) & GPIO_bit(i)) + PGSR(gpio_to_bank(i)) |= GPIO_bit(i); + else + PGSR(gpio_to_bank(i)) &= ~GPIO_bit(i); + } + } + + for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { + saved_gafr[0][i] = GAFR_L(i); + saved_gafr[1][i] = GAFR_U(i); + saved_gpdr[i] = GPDR(i * 32); + saved_gplr[i] = GPLR(i * 32); + saved_pgsr[i] = PGSR(i); + + GPSR(i * 32) = PGSR(i); + GPCR(i * 32) = ~PGSR(i); + } + + /* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */ + for (i = 0; i < pxa_last_gpio; i++) { + if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) || + ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && + (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i)))) + GPDR(i) |= GPIO_bit(i); + else + GPDR(i) &= ~GPIO_bit(i); + } + + return 0; +} + +static void pxa2xx_mfp_resume(void) +{ + int i; + + for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { + GAFR_L(i) = saved_gafr[0][i]; + GAFR_U(i) = saved_gafr[1][i]; + GPSR(i * 32) = saved_gplr[i]; + GPCR(i * 32) = ~saved_gplr[i]; + GPDR(i * 32) = saved_gpdr[i]; + PGSR(i) = saved_pgsr[i]; + } + PSSR = PSSR_RDH | PSSR_PH; +} +#else +#define pxa2xx_mfp_suspend NULL +#define pxa2xx_mfp_resume NULL +#endif + +struct syscore_ops pxa2xx_mfp_syscore_ops = { + .suspend = pxa2xx_mfp_suspend, + .resume = pxa2xx_mfp_resume, +}; + +static int __init pxa2xx_mfp_init(void) +{ + int i; + + if (!cpu_is_pxa2xx()) + return 0; + + if (cpu_is_pxa25x()) + pxa25x_mfp_init(); + + if (cpu_is_pxa27x()) + pxa27x_mfp_init(); + + /* clear RDH bit to enable GPIO receivers after reset/sleep exit */ + PSSR = PSSR_RDH; + + /* initialize gafr_run[], pgsr_lpm[] from existing values */ + for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) + gpdr_lpm[i] = GPDR(i * 32); + + return 0; +} +postcore_initcall(pxa2xx_mfp_init); diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.h b/arch/arm/mach-pxa/mfp-pxa2xx.h new file mode 100644 index 0000000000..683a3ea5f1 --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa2xx.h @@ -0,0 +1,143 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_ARCH_MFP_PXA2XX_H +#define __ASM_ARCH_MFP_PXA2XX_H + +#include <linux/soc/pxa/mfp.h> + +/* + * the following MFP_xxx bit definitions in mfp.h are re-used for pxa2xx: + * + * MFP_PIN(x) + * MFP_AFx + * MFP_LPM_DRIVE_{LOW, HIGH} + * MFP_LPM_EDGE_x + * + * other MFP_x bit definitions will be ignored + * + * and adds the below two bits specifically for pxa2xx: + * + * bit 23 - Input/Output (PXA2xx specific) + * bit 24 - Wakeup Enable(PXA2xx specific) + * bit 25 - Keep Output (PXA2xx specific) + */ + +#define MFP_DIR_IN (0x0 << 23) +#define MFP_DIR_OUT (0x1 << 23) +#define MFP_DIR_MASK (0x1 << 23) +#define MFP_DIR(x) (((x) >> 23) & 0x1) + +#define MFP_LPM_CAN_WAKEUP (0x1 << 24) + +/* + * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to + * retain their last output level (low or high). + * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input. + */ +#define MFP_LPM_KEEP_OUTPUT (0x1 << 25) + +#define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE) +#define WAKEUP_ON_EDGE_FALL (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_FALL) +#define WAKEUP_ON_EDGE_BOTH (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_BOTH) + +/* specifically for enabling wakeup on keypad GPIOs */ +#define WAKEUP_ON_LEVEL_HIGH (MFP_LPM_CAN_WAKEUP) + +#define MFP_CFG_IN(pin, af) \ + ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK)) |\ + (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_IN)) + +/* NOTE: pins configured as output _must_ provide a low power state, + * and this state should help to minimize the power dissipation. + */ +#define MFP_CFG_OUT(pin, af, state) \ + ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK | MFP_LPM_STATE_MASK)) |\ + (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_OUT | MFP_LPM_##state)) + +/* Common configurations for pxa25x and pxa27x + * + * Note: pins configured as GPIO are always initialized to input + * so not to cause any side effect + */ +#define GPIO0_GPIO MFP_CFG_IN(GPIO0, AF0) +#define GPIO1_GPIO MFP_CFG_IN(GPIO1, AF0) +#define GPIO9_GPIO MFP_CFG_IN(GPIO9, AF0) +#define GPIO10_GPIO MFP_CFG_IN(GPIO10, AF0) +#define GPIO11_GPIO MFP_CFG_IN(GPIO11, AF0) +#define GPIO12_GPIO MFP_CFG_IN(GPIO12, AF0) +#define GPIO13_GPIO MFP_CFG_IN(GPIO13, AF0) +#define GPIO14_GPIO MFP_CFG_IN(GPIO14, AF0) +#define GPIO15_GPIO MFP_CFG_IN(GPIO15, AF0) +#define GPIO16_GPIO MFP_CFG_IN(GPIO16, AF0) +#define GPIO17_GPIO MFP_CFG_IN(GPIO17, AF0) +#define GPIO18_GPIO MFP_CFG_IN(GPIO18, AF0) +#define GPIO19_GPIO MFP_CFG_IN(GPIO19, AF0) +#define GPIO20_GPIO MFP_CFG_IN(GPIO20, AF0) +#define GPIO21_GPIO MFP_CFG_IN(GPIO21, AF0) +#define GPIO22_GPIO MFP_CFG_IN(GPIO22, AF0) +#define GPIO23_GPIO MFP_CFG_IN(GPIO23, AF0) +#define GPIO24_GPIO MFP_CFG_IN(GPIO24, AF0) +#define GPIO25_GPIO MFP_CFG_IN(GPIO25, AF0) +#define GPIO26_GPIO MFP_CFG_IN(GPIO26, AF0) +#define GPIO27_GPIO MFP_CFG_IN(GPIO27, AF0) +#define GPIO28_GPIO MFP_CFG_IN(GPIO28, AF0) +#define GPIO29_GPIO MFP_CFG_IN(GPIO29, AF0) +#define GPIO30_GPIO MFP_CFG_IN(GPIO30, AF0) +#define GPIO31_GPIO MFP_CFG_IN(GPIO31, AF0) +#define GPIO32_GPIO MFP_CFG_IN(GPIO32, AF0) +#define GPIO33_GPIO MFP_CFG_IN(GPIO33, AF0) +#define GPIO34_GPIO MFP_CFG_IN(GPIO34, AF0) +#define GPIO35_GPIO MFP_CFG_IN(GPIO35, AF0) +#define GPIO36_GPIO MFP_CFG_IN(GPIO36, AF0) +#define GPIO37_GPIO MFP_CFG_IN(GPIO37, AF0) +#define GPIO38_GPIO MFP_CFG_IN(GPIO38, AF0) +#define GPIO39_GPIO MFP_CFG_IN(GPIO39, AF0) +#define GPIO40_GPIO MFP_CFG_IN(GPIO40, AF0) +#define GPIO41_GPIO MFP_CFG_IN(GPIO41, AF0) +#define GPIO42_GPIO MFP_CFG_IN(GPIO42, AF0) +#define GPIO43_GPIO MFP_CFG_IN(GPIO43, AF0) +#define GPIO44_GPIO MFP_CFG_IN(GPIO44, AF0) +#define GPIO45_GPIO MFP_CFG_IN(GPIO45, AF0) +#define GPIO46_GPIO MFP_CFG_IN(GPIO46, AF0) +#define GPIO47_GPIO MFP_CFG_IN(GPIO47, AF0) +#define GPIO48_GPIO MFP_CFG_IN(GPIO48, AF0) +#define GPIO49_GPIO MFP_CFG_IN(GPIO49, AF0) +#define GPIO50_GPIO MFP_CFG_IN(GPIO50, AF0) +#define GPIO51_GPIO MFP_CFG_IN(GPIO51, AF0) +#define GPIO52_GPIO MFP_CFG_IN(GPIO52, AF0) +#define GPIO53_GPIO MFP_CFG_IN(GPIO53, AF0) +#define GPIO54_GPIO MFP_CFG_IN(GPIO54, AF0) +#define GPIO55_GPIO MFP_CFG_IN(GPIO55, AF0) +#define GPIO56_GPIO MFP_CFG_IN(GPIO56, AF0) +#define GPIO57_GPIO MFP_CFG_IN(GPIO57, AF0) +#define GPIO58_GPIO MFP_CFG_IN(GPIO58, AF0) +#define GPIO59_GPIO MFP_CFG_IN(GPIO59, AF0) +#define GPIO60_GPIO MFP_CFG_IN(GPIO60, AF0) +#define GPIO61_GPIO MFP_CFG_IN(GPIO61, AF0) +#define GPIO62_GPIO MFP_CFG_IN(GPIO62, AF0) +#define GPIO63_GPIO MFP_CFG_IN(GPIO63, AF0) +#define GPIO64_GPIO MFP_CFG_IN(GPIO64, AF0) +#define GPIO65_GPIO MFP_CFG_IN(GPIO65, AF0) +#define GPIO66_GPIO MFP_CFG_IN(GPIO66, AF0) +#define GPIO67_GPIO MFP_CFG_IN(GPIO67, AF0) +#define GPIO68_GPIO MFP_CFG_IN(GPIO68, AF0) +#define GPIO69_GPIO MFP_CFG_IN(GPIO69, AF0) +#define GPIO70_GPIO MFP_CFG_IN(GPIO70, AF0) +#define GPIO71_GPIO MFP_CFG_IN(GPIO71, AF0) +#define GPIO72_GPIO MFP_CFG_IN(GPIO72, AF0) +#define GPIO73_GPIO MFP_CFG_IN(GPIO73, AF0) +#define GPIO74_GPIO MFP_CFG_IN(GPIO74, AF0) +#define GPIO75_GPIO MFP_CFG_IN(GPIO75, AF0) +#define GPIO76_GPIO MFP_CFG_IN(GPIO76, AF0) +#define GPIO77_GPIO MFP_CFG_IN(GPIO77, AF0) +#define GPIO78_GPIO MFP_CFG_IN(GPIO78, AF0) +#define GPIO79_GPIO MFP_CFG_IN(GPIO79, AF0) +#define GPIO80_GPIO MFP_CFG_IN(GPIO80, AF0) +#define GPIO81_GPIO MFP_CFG_IN(GPIO81, AF0) +#define GPIO82_GPIO MFP_CFG_IN(GPIO82, AF0) +#define GPIO83_GPIO MFP_CFG_IN(GPIO83, AF0) +#define GPIO84_GPIO MFP_CFG_IN(GPIO84, AF0) + +extern void pxa2xx_mfp_config(unsigned long *mfp_cfgs, int num); +extern void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm); +extern int gpio_set_wake(unsigned int gpio, unsigned int on); +#endif /* __ASM_ARCH_MFP_PXA2XX_H */ diff --git a/arch/arm/mach-pxa/mfp-pxa300.h b/arch/arm/mach-pxa/mfp-pxa300.h new file mode 100644 index 0000000000..1223e350ce --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa300.h @@ -0,0 +1,572 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/mfp-pxa300.h + * + * PXA300/PXA310 specific MFP configuration definitions + * + * Copyright (C) 2007 Marvell International Ltd. + * 2007-08-21: eric miao <eric.miao@marvell.com> + * initial version + */ + +#ifndef __ASM_ARCH_MFP_PXA300_H +#define __ASM_ARCH_MFP_PXA300_H + +#include "mfp-pxa3xx.h" + +/* GPIO */ +#define GPIO46_GPIO MFP_CFG(GPIO46, AF1) +#define GPIO49_GPIO MFP_CFG(GPIO49, AF3) +#define GPIO50_GPIO MFP_CFG(GPIO50, AF2) +#define GPIO51_GPIO MFP_CFG(GPIO51, AF3) +#define GPIO52_GPIO MFP_CFG(GPIO52, AF3) +#define GPIO56_GPIO MFP_CFG(GPIO56, AF0) +#define GPIO58_GPIO MFP_CFG(GPIO58, AF0) +#define GPIO59_GPIO MFP_CFG(GPIO59, AF0) +#define GPIO60_GPIO MFP_CFG(GPIO60, AF0) +#define GPIO61_GPIO MFP_CFG(GPIO61, AF0) +#define GPIO62_GPIO MFP_CFG(GPIO62, AF0) + +#ifdef CONFIG_CPU_PXA310 +#define GPIO7_2_GPIO MFP_CFG(GPIO7_2, AF0) +#define GPIO8_2_GPIO MFP_CFG(GPIO8_2, AF0) +#define GPIO9_2_GPIO MFP_CFG(GPIO9_2, AF0) +#define GPIO10_2_GPIO MFP_CFG(GPIO10_2, AF0) +#define GPIO11_2_GPIO MFP_CFG(GPIO11_2, AF0) +#define GPIO12_2_GPIO MFP_CFG(GPIO12_2, AF0) +#endif + +/* Chip Select */ +#define GPIO1_nCS2 MFP_CFG(GPIO1, AF1) +#define GPIO2_nCS3 MFP_CFG(GPIO2, AF1) + +/* AC97 */ +#define GPIO23_AC97_nACRESET MFP_CFG(GPIO23, AF1) +#define GPIO24_AC97_SYSCLK MFP_CFG(GPIO24, AF1) +#define GPIO29_AC97_BITCLK MFP_CFG(GPIO29, AF1) +#define GPIO25_AC97_SDATA_IN_0 MFP_CFG(GPIO25, AF1) +#define GPIO26_AC97_SDATA_IN_1 MFP_CFG(GPIO26, AF1) +#define GPIO17_AC97_SDATA_IN_2 MFP_CFG(GPIO17, AF3) +#define GPIO21_AC97_SDATA_IN_2 MFP_CFG(GPIO21, AF2) +#define GPIO18_AC97_SDATA_IN_3 MFP_CFG(GPIO18, AF3) +#define GPIO22_AC97_SDATA_IN_3 MFP_CFG(GPIO22, AF2) +#define GPIO27_AC97_SDATA_OUT MFP_CFG(GPIO27, AF1) +#define GPIO28_AC97_SYNC MFP_CFG(GPIO28, AF1) + +/* I2C */ +#define GPIO21_I2C_SCL MFP_CFG_LPM(GPIO21, AF1, PULL_HIGH) +#define GPIO22_I2C_SDA MFP_CFG_LPM(GPIO22, AF1, PULL_HIGH) + +/* QCI */ +#define GPIO39_CI_DD_0 MFP_CFG_DRV(GPIO39, AF1, DS04X) +#define GPIO40_CI_DD_1 MFP_CFG_DRV(GPIO40, AF1, DS04X) +#define GPIO41_CI_DD_2 MFP_CFG_DRV(GPIO41, AF1, DS04X) +#define GPIO42_CI_DD_3 MFP_CFG_DRV(GPIO42, AF1, DS04X) +#define GPIO43_CI_DD_4 MFP_CFG_DRV(GPIO43, AF1, DS04X) +#define GPIO44_CI_DD_5 MFP_CFG_DRV(GPIO44, AF1, DS04X) +#define GPIO45_CI_DD_6 MFP_CFG_DRV(GPIO45, AF1, DS04X) +#define GPIO46_CI_DD_7 MFP_CFG_DRV(GPIO46, AF0, DS04X) +#define GPIO47_CI_DD_8 MFP_CFG_DRV(GPIO47, AF1, DS04X) +#define GPIO48_CI_DD_9 MFP_CFG_DRV(GPIO48, AF1, DS04X) +#define GPIO49_CI_MCLK MFP_CFG_DRV(GPIO49, AF0, DS04X) +#define GPIO50_CI_PCLK MFP_CFG_DRV(GPIO50, AF0, DS04X) +#define GPIO51_CI_HSYNC MFP_CFG_DRV(GPIO51, AF0, DS04X) +#define GPIO52_CI_VSYNC MFP_CFG_DRV(GPIO52, AF0, DS04X) + +/* KEYPAD */ +#define GPIO3_KP_DKIN_6 MFP_CFG_LPM(GPIO3, AF2, FLOAT) +#define GPIO4_KP_DKIN_7 MFP_CFG_LPM(GPIO4, AF2, FLOAT) +#define GPIO16_KP_DKIN_6 MFP_CFG_LPM(GPIO16, AF6, FLOAT) +#define GPIO83_KP_DKIN_2 MFP_CFG_LPM(GPIO83, AF5, FLOAT) +#define GPIO84_KP_DKIN_1 MFP_CFG_LPM(GPIO84, AF5, FLOAT) +#define GPIO85_KP_DKIN_0 MFP_CFG_LPM(GPIO85, AF3, FLOAT) +#define GPIO86_KP_DKIN_1 MFP_CFG_LPM(GPIO86, AF3, FLOAT) +#define GPIO87_KP_DKIN_2 MFP_CFG_LPM(GPIO87, AF3, FLOAT) +#define GPIO88_KP_DKIN_3 MFP_CFG_LPM(GPIO88, AF3, FLOAT) +#define GPIO89_KP_DKIN_3 MFP_CFG_LPM(GPIO89, AF3, FLOAT) +#define GPIO107_KP_DKIN_0 MFP_CFG_LPM(GPIO107, AF2, FLOAT) +#define GPIO108_KP_DKIN_1 MFP_CFG_LPM(GPIO108, AF2, FLOAT) +#define GPIO109_KP_DKIN_2 MFP_CFG_LPM(GPIO109, AF2, FLOAT) +#define GPIO110_KP_DKIN_3 MFP_CFG_LPM(GPIO110, AF2, FLOAT) +#define GPIO111_KP_DKIN_4 MFP_CFG_LPM(GPIO111, AF2, FLOAT) +#define GPIO112_KP_DKIN_5 MFP_CFG_LPM(GPIO112, AF2, FLOAT) +#define GPIO113_KP_DKIN_6 MFP_CFG_LPM(GPIO113, AF2, FLOAT) +#define GPIO114_KP_DKIN_7 MFP_CFG_LPM(GPIO114, AF2, FLOAT) +#define GPIO115_KP_DKIN_0 MFP_CFG_LPM(GPIO115, AF2, FLOAT) +#define GPIO116_KP_DKIN_1 MFP_CFG_LPM(GPIO116, AF2, FLOAT) +#define GPIO117_KP_DKIN_2 MFP_CFG_LPM(GPIO117, AF2, FLOAT) +#define GPIO118_KP_DKIN_3 MFP_CFG_LPM(GPIO118, AF2, FLOAT) +#define GPIO119_KP_DKIN_4 MFP_CFG_LPM(GPIO119, AF2, FLOAT) +#define GPIO120_KP_DKIN_5 MFP_CFG_LPM(GPIO120, AF2, FLOAT) +#define GPIO121_KP_DKIN_6 MFP_CFG_LPM(GPIO121, AF2, FLOAT) +#define GPIO122_KP_DKIN_5 MFP_CFG_LPM(GPIO122, AF2, FLOAT) +#define GPIO123_KP_DKIN_4 MFP_CFG_LPM(GPIO123, AF2, FLOAT) +#define GPIO124_KP_DKIN_3 MFP_CFG_LPM(GPIO124, AF2, FLOAT) +#define GPIO127_KP_DKIN_0 MFP_CFG_LPM(GPIO127, AF5, FLOAT) +#define GPIO0_2_KP_DKIN_0 MFP_CFG_LPM(GPIO0_2, AF2, FLOAT) +#define GPIO1_2_KP_DKIN_1 MFP_CFG_LPM(GPIO1_2, AF2, FLOAT) +#define GPIO2_2_KP_DKIN_6 MFP_CFG_LPM(GPIO2_2, AF2, FLOAT) +#define GPIO3_2_KP_DKIN_7 MFP_CFG_LPM(GPIO3_2, AF2, FLOAT) +#define GPIO4_2_KP_DKIN_1 MFP_CFG_LPM(GPIO4_2, AF2, FLOAT) +#define GPIO5_2_KP_DKIN_0 MFP_CFG_LPM(GPIO5_2, AF2, FLOAT) + +#define GPIO5_KP_MKIN_0 MFP_CFG_LPM(GPIO5, AF2, FLOAT) +#define GPIO6_KP_MKIN_1 MFP_CFG_LPM(GPIO6, AF2, FLOAT) +#define GPIO9_KP_MKIN_6 MFP_CFG_LPM(GPIO9, AF3, FLOAT) +#define GPIO10_KP_MKIN_7 MFP_CFG_LPM(GPIO10, AF3, FLOAT) +#define GPIO70_KP_MKIN_6 MFP_CFG_LPM(GPIO70, AF3, FLOAT) +#define GPIO71_KP_MKIN_7 MFP_CFG_LPM(GPIO71, AF3, FLOAT) +#define GPIO100_KP_MKIN_6 MFP_CFG_LPM(GPIO100, AF7, FLOAT) +#define GPIO101_KP_MKIN_7 MFP_CFG_LPM(GPIO101, AF7, FLOAT) +#define GPIO112_KP_MKIN_6 MFP_CFG_LPM(GPIO112, AF4, FLOAT) +#define GPIO113_KP_MKIN_7 MFP_CFG_LPM(GPIO113, AF4, FLOAT) +#define GPIO115_KP_MKIN_0 MFP_CFG_LPM(GPIO115, AF1, FLOAT) +#define GPIO116_KP_MKIN_1 MFP_CFG_LPM(GPIO116, AF1, FLOAT) +#define GPIO117_KP_MKIN_2 MFP_CFG_LPM(GPIO117, AF1, FLOAT) +#define GPIO118_KP_MKIN_3 MFP_CFG_LPM(GPIO118, AF1, FLOAT) +#define GPIO119_KP_MKIN_4 MFP_CFG_LPM(GPIO119, AF1, FLOAT) +#define GPIO120_KP_MKIN_5 MFP_CFG_LPM(GPIO120, AF1, FLOAT) +#define GPIO125_KP_MKIN_2 MFP_CFG_LPM(GPIO125, AF2, FLOAT) +#define GPIO2_2_KP_MKIN_6 MFP_CFG_LPM(GPIO2_2, AF1, FLOAT) +#define GPIO3_2_KP_MKIN_7 MFP_CFG_LPM(GPIO3_2, AF1, FLOAT) + +#define GPIO7_KP_MKOUT_5 MFP_CFG_LPM(GPIO7, AF1, DRIVE_HIGH) +#define GPIO11_KP_MKOUT_5 MFP_CFG_LPM(GPIO11, AF3, DRIVE_HIGH) +#define GPIO12_KP_MKOUT_6 MFP_CFG_LPM(GPIO12, AF3, DRIVE_HIGH) +#define GPIO13_KP_MKOUT_7 MFP_CFG_LPM(GPIO13, AF3, DRIVE_HIGH) +#define GPIO19_KP_MKOUT_4 MFP_CFG_LPM(GPIO19, AF3, DRIVE_HIGH) +#define GPIO20_KP_MKOUT_5 MFP_CFG_LPM(GPIO20, AF3, DRIVE_HIGH) +#define GPIO38_KP_MKOUT_5 MFP_CFG_LPM(GPIO38, AF5, DRIVE_HIGH) +#define GPIO53_KP_MKOUT_6 MFP_CFG_LPM(GPIO53, AF5, DRIVE_HIGH) +#define GPIO78_KP_MKOUT_7 MFP_CFG_LPM(GPIO78, AF5, DRIVE_HIGH) +#define GPIO85_KP_MKOUT_0 MFP_CFG_LPM(GPIO85, AF2, DRIVE_HIGH) +#define GPIO86_KP_MKOUT_1 MFP_CFG_LPM(GPIO86, AF2, DRIVE_HIGH) +#define GPIO87_KP_MKOUT_2 MFP_CFG_LPM(GPIO87, AF2, DRIVE_HIGH) +#define GPIO88_KP_MKOUT_3 MFP_CFG_LPM(GPIO88, AF2, DRIVE_HIGH) +#define GPIO104_KP_MKOUT_6 MFP_CFG_LPM(GPIO104, AF5, DRIVE_HIGH) +#define GPIO105_KP_MKOUT_7 MFP_CFG_LPM(GPIO105, AF5, DRIVE_HIGH) +#define GPIO121_KP_MKOUT_0 MFP_CFG_LPM(GPIO121, AF1, DRIVE_HIGH) +#define GPIO122_KP_MKOUT_1 MFP_CFG_LPM(GPIO122, AF1, DRIVE_HIGH) +#define GPIO123_KP_MKOUT_2 MFP_CFG_LPM(GPIO123, AF1, DRIVE_HIGH) +#define GPIO124_KP_MKOUT_3 MFP_CFG_LPM(GPIO124, AF1, DRIVE_HIGH) +#define GPIO125_KP_MKOUT_4 MFP_CFG_LPM(GPIO125, AF1, DRIVE_HIGH) +#define GPIO126_KP_MKOUT_7 MFP_CFG_LPM(GPIO126, AF4, DRIVE_HIGH) +#define GPIO5_2_KP_MKOUT_6 MFP_CFG_LPM(GPIO5_2, AF1, DRIVE_HIGH) +#define GPIO4_2_KP_MKOUT_5 MFP_CFG_LPM(GPIO4_2, AF1, DRIVE_HIGH) +#define GPIO6_2_KP_MKOUT_7 MFP_CFG_LPM(GPIO6_2, AF1, DRIVE_HIGH) + +/* LCD */ +#define GPIO54_LCD_LDD_0 MFP_CFG_DRV(GPIO54, AF1, DS01X) +#define GPIO55_LCD_LDD_1 MFP_CFG_DRV(GPIO55, AF1, DS01X) +#define GPIO56_LCD_LDD_2 MFP_CFG_DRV(GPIO56, AF1, DS01X) +#define GPIO57_LCD_LDD_3 MFP_CFG_DRV(GPIO57, AF1, DS01X) +#define GPIO58_LCD_LDD_4 MFP_CFG_DRV(GPIO58, AF1, DS01X) +#define GPIO59_LCD_LDD_5 MFP_CFG_DRV(GPIO59, AF1, DS01X) +#define GPIO60_LCD_LDD_6 MFP_CFG_DRV(GPIO60, AF1, DS01X) +#define GPIO61_LCD_LDD_7 MFP_CFG_DRV(GPIO61, AF1, DS01X) +#define GPIO62_LCD_LDD_8 MFP_CFG_DRV(GPIO62, AF1, DS01X) +#define GPIO63_LCD_LDD_9 MFP_CFG_DRV(GPIO63, AF1, DS01X) +#define GPIO64_LCD_LDD_10 MFP_CFG_DRV(GPIO64, AF1, DS01X) +#define GPIO65_LCD_LDD_11 MFP_CFG_DRV(GPIO65, AF1, DS01X) +#define GPIO66_LCD_LDD_12 MFP_CFG_DRV(GPIO66, AF1, DS01X) +#define GPIO67_LCD_LDD_13 MFP_CFG_DRV(GPIO67, AF1, DS01X) +#define GPIO68_LCD_LDD_14 MFP_CFG_DRV(GPIO68, AF1, DS01X) +#define GPIO69_LCD_LDD_15 MFP_CFG_DRV(GPIO69, AF1, DS01X) +#define GPIO70_LCD_LDD_16 MFP_CFG_DRV(GPIO70, AF1, DS01X) +#define GPIO71_LCD_LDD_17 MFP_CFG_DRV(GPIO71, AF1, DS01X) +#define GPIO62_LCD_CS_N MFP_CFG_DRV(GPIO62, AF2, DS01X) +#define GPIO72_LCD_FCLK MFP_CFG_DRV(GPIO72, AF1, DS01X) +#define GPIO73_LCD_LCLK MFP_CFG_DRV(GPIO73, AF1, DS01X) +#define GPIO74_LCD_PCLK MFP_CFG_DRV(GPIO74, AF1, DS02X) +#define GPIO75_LCD_BIAS MFP_CFG_DRV(GPIO75, AF1, DS01X) +#define GPIO76_LCD_VSYNC MFP_CFG_DRV(GPIO76, AF2, DS01X) + +#define GPIO15_LCD_CS_N MFP_CFG_DRV(GPIO15, AF2, DS01X) +#define GPIO127_LCD_CS_N MFP_CFG_DRV(GPIO127, AF1, DS01X) +#define GPIO63_LCD_VSYNC MFP_CFG_DRV(GPIO63, AF2, DS01X) + +/* Mini-LCD */ +#define GPIO72_MLCD_FCLK MFP_CFG_DRV(GPIO72, AF7, DS08X) +#define GPIO73_MLCD_LCLK MFP_CFG_DRV(GPIO73, AF7, DS08X) +#define GPIO54_MLCD_LDD_0 MFP_CFG_DRV(GPIO54, AF7, DS08X) +#define GPIO55_MLCD_LDD_1 MFP_CFG_DRV(GPIO55, AF7, DS08X) +#define GPIO56_MLCD_LDD_2 MFP_CFG_DRV(GPIO56, AF7, DS08X) +#define GPIO57_MLCD_LDD_3 MFP_CFG_DRV(GPIO57, AF7, DS08X) +#define GPIO58_MLCD_LDD_4 MFP_CFG_DRV(GPIO58, AF7, DS08X) +#define GPIO59_MLCD_LDD_5 MFP_CFG_DRV(GPIO59, AF7, DS08X) +#define GPIO60_MLCD_LDD_6 MFP_CFG_DRV(GPIO60, AF7, DS08X) +#define GPIO61_MLCD_LDD_7 MFP_CFG_DRV(GPIO61, AF7, DS08X) +#define GPIO62_MLCD_LDD_8 MFP_CFG_DRV(GPIO62, AF7, DS08X) +#define GPIO63_MLCD_LDD_9 MFP_CFG_DRV(GPIO63, AF7, DS08X) +#define GPIO64_MLCD_LDD_10 MFP_CFG_DRV(GPIO64, AF7, DS08X) +#define GPIO65_MLCD_LDD_11 MFP_CFG_DRV(GPIO65, AF7, DS08X) +#define GPIO66_MLCD_LDD_12 MFP_CFG_DRV(GPIO66, AF7, DS08X) +#define GPIO67_MLCD_LDD_13 MFP_CFG_DRV(GPIO67, AF7, DS08X) +#define GPIO68_MLCD_LDD_14 MFP_CFG_DRV(GPIO68, AF7, DS08X) +#define GPIO69_MLCD_LDD_15 MFP_CFG_DRV(GPIO69, AF7, DS08X) +#define GPIO74_MLCD_PCLK MFP_CFG_DRV(GPIO74, AF7, DS08X) +#define GPIO75_MLCD_BIAS MFP_CFG_DRV(GPIO75, AF2, DS08X) + +/* MMC1 */ +#define GPIO7_MMC1_CLK MFP_CFG_LPM(GPIO7, AF4, DRIVE_HIGH) +#define GPIO8_MMC1_CMD MFP_CFG_LPM(GPIO8, AF4, DRIVE_HIGH) +#define GPIO14_MMC1_CMD MFP_CFG_LPM(GPIO14, AF5, DRIVE_HIGH) +#define GPIO15_MMC1_CMD MFP_CFG_LPM(GPIO15, AF5, DRIVE_HIGH) +#define GPIO3_MMC1_DAT0 MFP_CFG_LPM(GPIO3, AF4, DRIVE_HIGH) +#define GPIO4_MMC1_DAT1 MFP_CFG_LPM(GPIO4, AF4, DRIVE_HIGH) +#define GPIO5_MMC1_DAT2 MFP_CFG_LPM(GPIO5, AF4, DRIVE_HIGH) +#define GPIO6_MMC1_DAT3 MFP_CFG_LPM(GPIO6, AF4, DRIVE_HIGH) + +/* MMC2 */ +#define GPIO9_MMC2_DAT0 MFP_CFG_LPM(GPIO9, AF4, PULL_HIGH) +#define GPIO10_MMC2_DAT1 MFP_CFG_LPM(GPIO10, AF4, PULL_HIGH) +#define GPIO11_MMC2_DAT2 MFP_CFG_LPM(GPIO11, AF4, PULL_HIGH) +#define GPIO12_MMC2_DAT3 MFP_CFG_LPM(GPIO12, AF4, PULL_HIGH) +#define GPIO13_MMC2_CLK MFP_CFG_LPM(GPIO13, AF4, PULL_HIGH) +#define GPIO14_MMC2_CMD MFP_CFG_LPM(GPIO14, AF4, PULL_HIGH) +#define GPIO77_MMC2_DAT0 MFP_CFG_LPM(GPIO77, AF4, PULL_HIGH) +#define GPIO78_MMC2_DAT1 MFP_CFG_LPM(GPIO78, AF4, PULL_HIGH) +#define GPIO79_MMC2_DAT2 MFP_CFG_LPM(GPIO79, AF4, PULL_HIGH) +#define GPIO80_MMC2_DAT3 MFP_CFG_LPM(GPIO80, AF4, PULL_HIGH) +#define GPIO81_MMC2_CLK MFP_CFG_LPM(GPIO81, AF4, PULL_HIGH) +#define GPIO82_MMC2_CMD MFP_CFG_LPM(GPIO82, AF4, PULL_HIGH) + +/* SSP1 */ +#define GPIO89_SSP1_EXTCLK MFP_CFG(GPIO89, AF1) +#define GPIO90_SSP1_SYSCLK MFP_CFG(GPIO90, AF1) +#define GPIO15_SSP1_SCLK MFP_CFG(GPIO15, AF6) +#define GPIO16_SSP1_FRM MFP_CFG(GPIO16, AF2) +#define GPIO33_SSP1_SCLK MFP_CFG(GPIO33, AF5) +#define GPIO34_SSP1_FRM MFP_CFG(GPIO34, AF5) +#define GPIO85_SSP1_SCLK MFP_CFG(GPIO85, AF1) +#define GPIO86_SSP1_FRM MFP_CFG(GPIO86, AF1) +#define GPIO18_SSP1_TXD MFP_CFG(GPIO18, AF7) +#define GPIO18_SSP1_RXD MFP_CFG(GPIO18, AF2) +#define GPIO20_SSP1_TXD MFP_CFG(GPIO20, AF2) +#define GPIO20_SSP1_RXD MFP_CFG(GPIO20, AF7) +#define GPIO35_SSP1_TXD MFP_CFG(GPIO35, AF5) +#define GPIO35_SSP1_RXD MFP_CFG(GPIO35, AF4) +#define GPIO36_SSP1_TXD MFP_CFG(GPIO36, AF5) +#define GPIO36_SSP1_RXD MFP_CFG(GPIO36, AF6) +#define GPIO87_SSP1_TXD MFP_CFG(GPIO87, AF1) +#define GPIO87_SSP1_RXD MFP_CFG(GPIO87, AF6) +#define GPIO88_SSP1_TXD MFP_CFG(GPIO88, AF6) +#define GPIO88_SSP1_RXD MFP_CFG(GPIO88, AF1) + +/* SSP2 */ +#define GPIO29_SSP2_EXTCLK MFP_CFG(GPIO29, AF2) +#define GPIO23_SSP2_SCLK MFP_CFG(GPIO23, AF2) +#define GPIO17_SSP2_FRM MFP_CFG(GPIO17, AF2) +#define GPIO25_SSP2_SCLK MFP_CFG(GPIO25, AF2) +#define GPIO26_SSP2_FRM MFP_CFG(GPIO26, AF2) +#define GPIO33_SSP2_SCLK MFP_CFG(GPIO33, AF6) +#define GPIO34_SSP2_FRM MFP_CFG(GPIO34, AF6) +#define GPIO64_SSP2_SCLK MFP_CFG(GPIO64, AF2) +#define GPIO65_SSP2_FRM MFP_CFG(GPIO65, AF2) +#define GPIO19_SSP2_TXD MFP_CFG(GPIO19, AF2) +#define GPIO19_SSP2_RXD MFP_CFG(GPIO19, AF7) +#define GPIO24_SSP2_TXD MFP_CFG(GPIO24, AF5) +#define GPIO24_SSP2_RXD MFP_CFG(GPIO24, AF4) +#define GPIO27_SSP2_TXD MFP_CFG(GPIO27, AF2) +#define GPIO27_SSP2_RXD MFP_CFG(GPIO27, AF5) +#define GPIO28_SSP2_TXD MFP_CFG(GPIO28, AF5) +#define GPIO28_SSP2_RXD MFP_CFG(GPIO28, AF2) +#define GPIO35_SSP2_TXD MFP_CFG(GPIO35, AF7) +#define GPIO35_SSP2_RXD MFP_CFG(GPIO35, AF6) +#define GPIO66_SSP2_TXD MFP_CFG(GPIO66, AF4) +#define GPIO66_SSP2_RXD MFP_CFG(GPIO66, AF2) +#define GPIO67_SSP2_TXD MFP_CFG(GPIO67, AF2) +#define GPIO67_SSP2_RXD MFP_CFG(GPIO67, AF4) +#define GPIO36_SSP2_TXD MFP_CFG(GPIO36, AF7) + +/* SSP3 */ +#define GPIO69_SSP3_FRM MFP_CFG_X(GPIO69, AF2, DS08X, DRIVE_LOW) +#define GPIO68_SSP3_SCLK MFP_CFG_X(GPIO68, AF2, DS08X, FLOAT) +#define GPIO92_SSP3_FRM MFP_CFG_X(GPIO92, AF1, DS08X, DRIVE_LOW) +#define GPIO91_SSP3_SCLK MFP_CFG_X(GPIO91, AF1, DS08X, FLOAT) +#define GPIO70_SSP3_TXD MFP_CFG_X(GPIO70, AF2, DS08X, DRIVE_LOW) +#define GPIO70_SSP3_RXD MFP_CFG_X(GPIO70, AF5, DS08X, FLOAT) +#define GPIO71_SSP3_TXD MFP_CFG_X(GPIO71, AF5, DS08X, DRIVE_LOW) +#define GPIO71_SSP3_RXD MFP_CFG_X(GPIO71, AF2, DS08X, FLOAT) +#define GPIO93_SSP3_TXD MFP_CFG_X(GPIO93, AF1, DS08X, DRIVE_LOW) +#define GPIO93_SSP3_RXD MFP_CFG_X(GPIO93, AF5, DS08X, FLOAT) +#define GPIO94_SSP3_TXD MFP_CFG_X(GPIO94, AF5, DS08X, DRIVE_LOW) +#define GPIO94_SSP3_RXD MFP_CFG_X(GPIO94, AF1, DS08X, FLOAT) + +/* SSP4 */ +#define GPIO95_SSP4_SCLK MFP_CFG_LPM(GPIO95, AF1, PULL_HIGH) +#define GPIO96_SSP4_FRM MFP_CFG_LPM(GPIO96, AF1, PULL_HIGH) +#define GPIO97_SSP4_TXD MFP_CFG_LPM(GPIO97, AF1, PULL_HIGH) +#define GPIO97_SSP4_RXD MFP_CFG_LPM(GPIO97, AF5, PULL_HIGH) +#define GPIO98_SSP4_TXD MFP_CFG_LPM(GPIO98, AF5, PULL_HIGH) +#define GPIO98_SSP4_RXD MFP_CFG_LPM(GPIO98, AF1, PULL_HIGH) + +/* UART1 */ +#define GPIO32_UART1_CTS MFP_CFG_LPM(GPIO32, AF2, FLOAT) +#define GPIO37_UART1_CTS MFP_CFG_LPM(GPIO37, AF4, FLOAT) +#define GPIO79_UART1_CTS MFP_CFG_LPM(GPIO79, AF1, FLOAT) +#define GPIO84_UART1_CTS MFP_CFG_LPM(GPIO84, AF3, FLOAT) +#define GPIO101_UART1_CTS MFP_CFG_LPM(GPIO101, AF1, FLOAT) +#define GPIO106_UART1_CTS MFP_CFG_LPM(GPIO106, AF6, FLOAT) + +#define GPIO32_UART1_RTS MFP_CFG_LPM(GPIO32, AF4, FLOAT) +#define GPIO37_UART1_RTS MFP_CFG_LPM(GPIO37, AF2, FLOAT) +#define GPIO79_UART1_RTS MFP_CFG_LPM(GPIO79, AF3, FLOAT) +#define GPIO84_UART1_RTS MFP_CFG_LPM(GPIO84, AF1, FLOAT) +#define GPIO101_UART1_RTS MFP_CFG_LPM(GPIO101, AF6, FLOAT) +#define GPIO106_UART1_RTS MFP_CFG_LPM(GPIO106, AF1, FLOAT) + +#define GPIO34_UART1_DSR MFP_CFG_LPM(GPIO34, AF2, FLOAT) +#define GPIO36_UART1_DSR MFP_CFG_LPM(GPIO36, AF4, FLOAT) +#define GPIO81_UART1_DSR MFP_CFG_LPM(GPIO81, AF1, FLOAT) +#define GPIO83_UART1_DSR MFP_CFG_LPM(GPIO83, AF3, FLOAT) +#define GPIO103_UART1_DSR MFP_CFG_LPM(GPIO103, AF1, FLOAT) +#define GPIO105_UART1_DSR MFP_CFG_LPM(GPIO105, AF6, FLOAT) + +#define GPIO34_UART1_DTR MFP_CFG_LPM(GPIO34, AF4, FLOAT) +#define GPIO36_UART1_DTR MFP_CFG_LPM(GPIO36, AF2, FLOAT) +#define GPIO81_UART1_DTR MFP_CFG_LPM(GPIO81, AF3, FLOAT) +#define GPIO83_UART1_DTR MFP_CFG_LPM(GPIO83, AF1, FLOAT) +#define GPIO103_UART1_DTR MFP_CFG_LPM(GPIO103, AF6, FLOAT) +#define GPIO105_UART1_DTR MFP_CFG_LPM(GPIO105, AF1, FLOAT) + +#define GPIO35_UART1_RI MFP_CFG_LPM(GPIO35, AF2, FLOAT) +#define GPIO82_UART1_RI MFP_CFG_LPM(GPIO82, AF1, FLOAT) +#define GPIO104_UART1_RI MFP_CFG_LPM(GPIO104, AF1, FLOAT) + +#define GPIO33_UART1_DCD MFP_CFG_LPM(GPIO33, AF2, FLOAT) +#define GPIO80_UART1_DCD MFP_CFG_LPM(GPIO80, AF1, FLOAT) +#define GPIO102_UART1_DCD MFP_CFG_LPM(GPIO102, AF1, FLOAT) + +#define GPIO30_UART1_RXD MFP_CFG_LPM(GPIO30, AF2, FLOAT) +#define GPIO31_UART1_RXD MFP_CFG_LPM(GPIO31, AF4, FLOAT) +#define GPIO77_UART1_RXD MFP_CFG_LPM(GPIO77, AF1, FLOAT) +#define GPIO78_UART1_RXD MFP_CFG_LPM(GPIO78, AF3, FLOAT) +#define GPIO99_UART1_RXD MFP_CFG_LPM(GPIO99, AF1, FLOAT) +#define GPIO100_UART1_RXD MFP_CFG_LPM(GPIO100, AF6, FLOAT) +#define GPIO102_UART1_RXD MFP_CFG_LPM(GPIO102, AF6, FLOAT) +#define GPIO104_UART1_RXD MFP_CFG_LPM(GPIO104, AF4, FLOAT) + +#define GPIO30_UART1_TXD MFP_CFG_LPM(GPIO30, AF4, FLOAT) +#define GPIO31_UART1_TXD MFP_CFG_LPM(GPIO31, AF2, FLOAT) +#define GPIO77_UART1_TXD MFP_CFG_LPM(GPIO77, AF3, FLOAT) +#define GPIO78_UART1_TXD MFP_CFG_LPM(GPIO78, AF1, FLOAT) +#define GPIO99_UART1_TXD MFP_CFG_LPM(GPIO99, AF6, FLOAT) +#define GPIO100_UART1_TXD MFP_CFG_LPM(GPIO100, AF1, FLOAT) +#define GPIO102_UART1_TXD MFP_CFG_LPM(GPIO102, AF4, FLOAT) + +/* UART2 */ +#define GPIO15_UART2_CTS MFP_CFG_LPM(GPIO15, AF3, FLOAT) +#define GPIO16_UART2_CTS MFP_CFG_LPM(GPIO16, AF5, FLOAT) +#define GPIO111_UART2_CTS MFP_CFG_LPM(GPIO111, AF3, FLOAT) +#define GPIO114_UART2_CTS MFP_CFG_LPM(GPIO114, AF1, FLOAT) + +#define GPIO15_UART2_RTS MFP_CFG_LPM(GPIO15, AF4, FLOAT) +#define GPIO16_UART2_RTS MFP_CFG_LPM(GPIO16, AF4, FLOAT) +#define GPIO114_UART2_RTS MFP_CFG_LPM(GPIO114, AF3, FLOAT) +#define GPIO111_UART2_RTS MFP_CFG_LPM(GPIO111, AF1, FLOAT) + +#define GPIO18_UART2_RXD MFP_CFG_LPM(GPIO18, AF5, FLOAT) +#define GPIO19_UART2_RXD MFP_CFG_LPM(GPIO19, AF4, FLOAT) +#define GPIO112_UART2_RXD MFP_CFG_LPM(GPIO112, AF1, FLOAT) +#define GPIO113_UART2_RXD MFP_CFG_LPM(GPIO113, AF3, FLOAT) + +#define GPIO18_UART2_TXD MFP_CFG_LPM(GPIO18, AF4, FLOAT) +#define GPIO19_UART2_TXD MFP_CFG_LPM(GPIO19, AF5, FLOAT) +#define GPIO112_UART2_TXD MFP_CFG_LPM(GPIO112, AF3, FLOAT) +#define GPIO113_UART2_TXD MFP_CFG_LPM(GPIO113, AF1, FLOAT) + +/* UART3 */ +#define GPIO91_UART3_CTS MFP_CFG_LPM(GPIO91, AF2, FLOAT) +#define GPIO92_UART3_CTS MFP_CFG_LPM(GPIO92, AF4, FLOAT) +#define GPIO107_UART3_CTS MFP_CFG_LPM(GPIO107, AF1, FLOAT) +#define GPIO108_UART3_CTS MFP_CFG_LPM(GPIO108, AF3, FLOAT) + +#define GPIO91_UART3_RTS MFP_CFG_LPM(GPIO91, AF4, FLOAT) +#define GPIO92_UART3_RTS MFP_CFG_LPM(GPIO92, AF2, FLOAT) +#define GPIO107_UART3_RTS MFP_CFG_LPM(GPIO107, AF3, FLOAT) +#define GPIO108_UART3_RTS MFP_CFG_LPM(GPIO108, AF1, FLOAT) + +#define GPIO7_UART3_RXD MFP_CFG_LPM(GPIO7, AF2, FLOAT) +#define GPIO8_UART3_RXD MFP_CFG_LPM(GPIO8, AF6, FLOAT) +#define GPIO93_UART3_RXD MFP_CFG_LPM(GPIO93, AF4, FLOAT) +#define GPIO94_UART3_RXD MFP_CFG_LPM(GPIO94, AF2, FLOAT) +#define GPIO109_UART3_RXD MFP_CFG_LPM(GPIO109, AF3, FLOAT) +#define GPIO110_UART3_RXD MFP_CFG_LPM(GPIO110, AF1, FLOAT) + +#define GPIO7_UART3_TXD MFP_CFG_LPM(GPIO7, AF6, FLOAT) +#define GPIO8_UART3_TXD MFP_CFG_LPM(GPIO8, AF2, FLOAT) +#define GPIO93_UART3_TXD MFP_CFG_LPM(GPIO93, AF2, FLOAT) +#define GPIO94_UART3_TXD MFP_CFG_LPM(GPIO94, AF4, FLOAT) +#define GPIO109_UART3_TXD MFP_CFG_LPM(GPIO109, AF1, FLOAT) +#define GPIO110_UART3_TXD MFP_CFG_LPM(GPIO110, AF3, FLOAT) + +/* USB Host */ +#define GPIO0_2_USBH_PEN MFP_CFG(GPIO0_2, AF1) +#define GPIO1_2_USBH_PWR MFP_CFG(GPIO1_2, AF1) + +/* USB P3 */ +#define GPIO77_USB_P3_1 MFP_CFG(GPIO77, AF2) +#define GPIO78_USB_P3_2 MFP_CFG(GPIO78, AF2) +#define GPIO79_USB_P3_3 MFP_CFG(GPIO79, AF2) +#define GPIO80_USB_P3_4 MFP_CFG(GPIO80, AF2) +#define GPIO81_USB_P3_5 MFP_CFG(GPIO81, AF2) +#define GPIO82_USB_P3_6 MFP_CFG(GPIO82, AF2) + +/* PWM */ +#define GPIO17_PWM0_OUT MFP_CFG(GPIO17, AF1) +#define GPIO18_PWM1_OUT MFP_CFG(GPIO18, AF1) +#define GPIO19_PWM2_OUT MFP_CFG(GPIO19, AF1) +#define GPIO20_PWM3_OUT MFP_CFG(GPIO20, AF1) + +/* CIR */ +#define GPIO8_CIR_OUT MFP_CFG(GPIO8, AF5) +#define GPIO16_CIR_OUT MFP_CFG(GPIO16, AF3) + +#define GPIO20_OW_DQ_IN MFP_CFG(GPIO20, AF5) +#define GPIO126_OW_DQ MFP_CFG(GPIO126, AF2) + +#define GPIO0_DF_RDY MFP_CFG(GPIO0, AF1) +#define GPIO7_CLK_BYPASS_XSC MFP_CFG(GPIO7, AF7) +#define GPIO17_EXT_SYNC_MVT_0 MFP_CFG(GPIO17, AF6) +#define GPIO18_EXT_SYNC_MVT_1 MFP_CFG(GPIO18, AF6) +#define GPIO19_OST_CHOUT_MVT_0 MFP_CFG(GPIO19, AF6) +#define GPIO20_OST_CHOUT_MVT_1 MFP_CFG(GPIO20, AF6) +#define GPIO49_48M_CLK MFP_CFG(GPIO49, AF2) +#define GPIO126_EXT_CLK MFP_CFG(GPIO126, AF3) +#define GPIO127_CLK_BYPASS_GB MFP_CFG(GPIO127, AF7) +#define GPIO71_EXT_MATCH_MVT MFP_CFG(GPIO71, AF6) + +#define GPIO3_uIO_IN MFP_CFG(GPIO3, AF1) + +#define GPIO4_uSIM_CARD_STATE MFP_CFG(GPIO4, AF1) +#define GPIO5_uSIM_uCLK MFP_CFG(GPIO5, AF1) +#define GPIO6_uSIM_uRST MFP_CFG(GPIO6, AF1) +#define GPIO16_uSIM_UVS_0 MFP_CFG(GPIO16, AF1) + +#define GPIO9_SCIO MFP_CFG(GPIO9, AF1) +#define GPIO20_RTC_MVT MFP_CFG(GPIO20, AF4) +#define GPIO126_RTC_MVT MFP_CFG(GPIO126, AF1) + +/* + * PXA300 specific MFP configurations + */ +#ifdef CONFIG_CPU_PXA300 +#define GPIO99_USB_P2_2 MFP_CFG(GPIO99, AF2) +#define GPIO99_USB_P2_5 MFP_CFG(GPIO99, AF3) +#define GPIO99_USB_P2_6 MFP_CFG(GPIO99, AF4) +#define GPIO100_USB_P2_2 MFP_CFG(GPIO100, AF4) +#define GPIO100_USB_P2_5 MFP_CFG(GPIO100, AF5) +#define GPIO101_USB_P2_1 MFP_CFG(GPIO101, AF2) +#define GPIO102_USB_P2_4 MFP_CFG(GPIO102, AF2) +#define GPIO104_USB_P2_3 MFP_CFG(GPIO104, AF2) +#define GPIO105_USB_P2_5 MFP_CFG(GPIO105, AF2) +#define GPIO100_USB_P2_6 MFP_CFG(GPIO100, AF2) +#define GPIO106_USB_P2_7 MFP_CFG(GPIO106, AF2) +#define GPIO103_USB_P2_8 MFP_CFG(GPIO103, AF2) + +/* U2D UTMI */ +#define GPIO38_UTM_CLK MFP_CFG(GPIO38, AF1) +#define GPIO26_U2D_RXERROR MFP_CFG(GPIO26, AF3) +#define GPIO50_U2D_RXERROR MFP_CFG(GPIO50, AF1) +#define GPIO89_U2D_RXERROR MFP_CFG(GPIO89, AF5) +#define GPIO24_UTM_RXVALID MFP_CFG(GPIO24, AF3) +#define GPIO48_UTM_RXVALID MFP_CFG(GPIO48, AF2) +#define GPIO87_UTM_RXVALID MFP_CFG(GPIO87, AF5) +#define GPIO25_UTM_RXACTIVE MFP_CFG(GPIO25, AF3) +#define GPIO47_UTM_RXACTIVE MFP_CFG(GPIO47, AF2) +#define GPIO49_UTM_RXACTIVE MFP_CFG(GPIO49, AF1) +#define GPIO88_UTM_RXACTIVE MFP_CFG(GPIO88, AF5) +#define GPIO53_UTM_TXREADY MFP_CFG(GPIO53, AF1) +#define GPIO67_UTM_LINESTATE_0 MFP_CFG(GPIO67, AF3) +#define GPIO92_UTM_LINESTATE_0 MFP_CFG(GPIO92, AF3) +#define GPIO104_UTM_LINESTATE_0 MFP_CFG(GPIO104, AF3) +#define GPIO109_UTM_LINESTATE_0 MFP_CFG(GPIO109, AF4) +#define GPIO68_UTM_LINESTATE_1 MFP_CFG(GPIO68, AF3) +#define GPIO93_UTM_LINESTATE_1 MFP_CFG(GPIO93, AF3) +#define GPIO105_UTM_LINESTATE_1 MFP_CFG(GPIO105, AF3) +#define GPIO27_U2D_OPMODE_0 MFP_CFG(GPIO27, AF4) +#define GPIO51_U2D_OPMODE_0 MFP_CFG(GPIO51, AF2) +#define GPIO90_U2D_OPMODE_0 MFP_CFG(GPIO90, AF7) +#define GPIO28_U2D_OPMODE_1 MFP_CFG(GPIO28, AF4) +#define GPIO52_U2D_OPMODE_1 MFP_CFG(GPIO52, AF2) +#define GPIO106_U2D_OPMODE_1 MFP_CFG(GPIO106, AF3) +#define GPIO110_U2D_OPMODE_1 MFP_CFG(GPIO110, AF5) +#define GPIO76_U2D_RESET MFP_CFG(GPIO76, AF1) +#define GPIO95_U2D_RESET MFP_CFG(GPIO95, AF2) +#define GPIO100_U2D_RESET MFP_CFG(GPIO100, AF3) +#define GPIO66_U2D_SUSPEND MFP_CFG(GPIO66, AF3) +#define GPIO98_U2D_SUSPEND MFP_CFG(GPIO98, AF2) +#define GPIO103_U2D_SUSPEND MFP_CFG(GPIO103, AF3) +#define GPIO65_U2D_TERM_SEL MFP_CFG(GPIO65, AF5) +#define GPIO97_U2D_TERM_SEL MFP_CFG(GPIO97, AF3) +#define GPIO102_U2D_TERM_SEL MFP_CFG(GPIO102, AF5) +#define GPIO29_U2D_TXVALID MFP_CFG(GPIO29, AF3) +#define GPIO52_U2D_TXVALID MFP_CFG(GPIO52, AF4) +#define GPIO69_U2D_TXVALID MFP_CFG(GPIO69, AF3) +#define GPIO85_U2D_TXVALID MFP_CFG(GPIO85, AF7) +#define GPIO64_U2D_XCVR_SEL MFP_CFG(GPIO64, AF5) +#define GPIO96_U2D_XCVR_SEL MFP_CFG(GPIO96, AF3) +#define GPIO101_U2D_XCVR_SEL MFP_CFG(GPIO101, AF5) +#define GPIO30_UTM_PHYDATA_0 MFP_CFG(GPIO30, AF3) +#define GPIO31_UTM_PHYDATA_1 MFP_CFG(GPIO31, AF3) +#define GPIO32_UTM_PHYDATA_2 MFP_CFG(GPIO32, AF3) +#define GPIO33_UTM_PHYDATA_3 MFP_CFG(GPIO33, AF3) +#define GPIO34_UTM_PHYDATA_4 MFP_CFG(GPIO34, AF3) +#define GPIO35_UTM_PHYDATA_5 MFP_CFG(GPIO35, AF3) +#define GPIO36_UTM_PHYDATA_6 MFP_CFG(GPIO36, AF3) +#define GPIO37_UTM_PHYDATA_7 MFP_CFG(GPIO37, AF3) +#define GPIO39_UTM_PHYDATA_0 MFP_CFG(GPIO39, AF3) +#define GPIO40_UTM_PHYDATA_1 MFP_CFG(GPIO40, AF3) +#define GPIO41_UTM_PHYDATA_2 MFP_CFG(GPIO41, AF3) +#define GPIO42_UTM_PHYDATA_3 MFP_CFG(GPIO42, AF3) +#define GPIO43_UTM_PHYDATA_4 MFP_CFG(GPIO43, AF3) +#define GPIO44_UTM_PHYDATA_5 MFP_CFG(GPIO44, AF3) +#define GPIO45_UTM_PHYDATA_6 MFP_CFG(GPIO45, AF3) +#define GPIO46_UTM_PHYDATA_7 MFP_CFG(GPIO46, AF3) +#endif /* CONFIG_CPU_PXA300 */ + +/* + * PXA310 specific MFP configurations + */ +#ifdef CONFIG_CPU_PXA310 +/* USB P2 */ +#define GPIO36_USB_P2_1 MFP_CFG(GPIO36, AF1) +#define GPIO30_USB_P2_2 MFP_CFG(GPIO30, AF1) +#define GPIO35_USB_P2_3 MFP_CFG(GPIO35, AF1) +#define GPIO32_USB_P2_4 MFP_CFG(GPIO32, AF1) +#define GPIO34_USB_P2_5 MFP_CFG(GPIO34, AF1) +#define GPIO31_USB_P2_6 MFP_CFG(GPIO31, AF1) + +/* MMC1 */ +#define GPIO24_MMC1_CMD MFP_CFG(GPIO24, AF3) +#define GPIO29_MMC1_DAT0 MFP_CFG(GPIO29, AF3) + +/* MMC3 */ +#define GPIO103_MMC3_CLK MFP_CFG(GPIO103, AF2) +#define GPIO105_MMC3_CMD MFP_CFG(GPIO105, AF2) +#define GPIO11_2_MMC3_CLK MFP_CFG(GPIO11_2, AF1) +#define GPIO12_2_MMC3_CMD MFP_CFG(GPIO12_2, AF1) +#define GPIO7_2_MMC3_DAT0 MFP_CFG(GPIO7_2, AF1) +#define GPIO8_2_MMC3_DAT1 MFP_CFG(GPIO8_2, AF1) +#define GPIO9_2_MMC3_DAT2 MFP_CFG(GPIO9_2, AF1) +#define GPIO10_2_MMC3_DAT3 MFP_CFG(GPIO10_2, AF1) + +/* ULPI */ +#define GPIO38_ULPI_CLK MFP_CFG(GPIO38, AF1) +#define GPIO30_ULPI_DATA_OUT_0 MFP_CFG(GPIO30, AF3) +#define GPIO31_ULPI_DATA_OUT_1 MFP_CFG(GPIO31, AF3) +#define GPIO32_ULPI_DATA_OUT_2 MFP_CFG(GPIO32, AF3) +#define GPIO33_ULPI_DATA_OUT_3 MFP_CFG(GPIO33, AF3) +#define GPIO34_ULPI_DATA_OUT_4 MFP_CFG(GPIO34, AF3) +#define GPIO35_ULPI_DATA_OUT_5 MFP_CFG(GPIO35, AF3) +#define GPIO36_ULPI_DATA_OUT_6 MFP_CFG(GPIO36, AF3) +#define GPIO37_ULPI_DATA_OUT_7 MFP_CFG(GPIO37, AF3) +#define GPIO33_ULPI_OTG_INTR MFP_CFG(GPIO33, AF1) + +#define ULPI_DIR MFP_CFG_DRV(ULPI_DIR, AF0, DS01X) +#define ULPI_NXT MFP_CFG_DRV(ULPI_NXT, AF0, DS01X) +#define ULPI_STP MFP_CFG_DRV(ULPI_STP, AF0, DS01X) +#endif /* CONFIG_CPU_PXA310 */ + +#endif /* __ASM_ARCH_MFP_PXA300_H */ diff --git a/arch/arm/mach-pxa/mfp-pxa320.h b/arch/arm/mach-pxa/mfp-pxa320.h new file mode 100644 index 0000000000..21c31eb52d --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa320.h @@ -0,0 +1,458 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/mfp-pxa320.h + * + * PXA320 specific MFP configuration definitions + * + * Copyright (C) 2007 Marvell International Ltd. + * 2007-08-21: eric miao <eric.miao@marvell.com> + * initial version + */ + +#ifndef __ASM_ARCH_MFP_PXA320_H +#define __ASM_ARCH_MFP_PXA320_H + +#include "mfp-pxa3xx.h" + +/* GPIO */ +#define GPIO46_GPIO MFP_CFG(GPIO46, AF0) +#define GPIO49_GPIO MFP_CFG(GPIO49, AF0) +#define GPIO50_GPIO MFP_CFG(GPIO50, AF0) +#define GPIO51_GPIO MFP_CFG(GPIO51, AF0) +#define GPIO52_GPIO MFP_CFG(GPIO52, AF0) + +#define GPIO7_2_GPIO MFP_CFG(GPIO7_2, AF0) +#define GPIO8_2_GPIO MFP_CFG(GPIO8_2, AF0) +#define GPIO9_2_GPIO MFP_CFG(GPIO9_2, AF0) +#define GPIO10_2_GPIO MFP_CFG(GPIO10_2, AF0) +#define GPIO11_2_GPIO MFP_CFG(GPIO11_2, AF0) +#define GPIO12_2_GPIO MFP_CFG(GPIO12_2, AF0) +#define GPIO13_2_GPIO MFP_CFG(GPIO13_2, AF0) +#define GPIO14_2_GPIO MFP_CFG(GPIO14_2, AF0) +#define GPIO15_2_GPIO MFP_CFG(GPIO15_2, AF0) +#define GPIO16_2_GPIO MFP_CFG(GPIO16_2, AF0) +#define GPIO17_2_GPIO MFP_CFG(GPIO17_2, AF0) + +/* Chip Select */ +#define GPIO3_nCS2 MFP_CFG(GPIO3, AF1) +#define GPIO4_nCS3 MFP_CFG(GPIO4, AF1) + +/* AC97 */ +#define GPIO34_AC97_SYSCLK MFP_CFG(GPIO34, AF1) +#define GPIO39_AC97_BITCLK MFP_CFG(GPIO39, AF1) +#define GPIO40_AC97_nACRESET MFP_CFG(GPIO40, AF1) +#define GPIO35_AC97_SDATA_IN_0 MFP_CFG(GPIO35, AF1) +#define GPIO36_AC97_SDATA_IN_1 MFP_CFG(GPIO36, AF1) +#define GPIO32_AC97_SDATA_IN_2 MFP_CFG(GPIO32, AF2) +#define GPIO33_AC97_SDATA_IN_3 MFP_CFG(GPIO33, AF2) +#define GPIO11_AC97_SDATA_IN_2 MFP_CFG(GPIO11, AF3) +#define GPIO12_AC97_SDATA_IN_3 MFP_CFG(GPIO12, AF3) +#define GPIO37_AC97_SDATA_OUT MFP_CFG(GPIO37, AF1) +#define GPIO38_AC97_SYNC MFP_CFG(GPIO38, AF1) + +/* I2C */ +#define GPIO32_I2C_SCL MFP_CFG_LPM(GPIO32, AF1, PULL_HIGH) +#define GPIO33_I2C_SDA MFP_CFG_LPM(GPIO33, AF1, PULL_HIGH) + +/* QCI */ +#define GPIO49_CI_DD_0 MFP_CFG_DRV(GPIO49, AF1, DS04X) +#define GPIO50_CI_DD_1 MFP_CFG_DRV(GPIO50, AF1, DS04X) +#define GPIO51_CI_DD_2 MFP_CFG_DRV(GPIO51, AF1, DS04X) +#define GPIO52_CI_DD_3 MFP_CFG_DRV(GPIO52, AF1, DS04X) +#define GPIO53_CI_DD_4 MFP_CFG_DRV(GPIO53, AF1, DS04X) +#define GPIO54_CI_DD_5 MFP_CFG_DRV(GPIO54, AF1, DS04X) +#define GPIO55_CI_DD_6 MFP_CFG_DRV(GPIO55, AF1, DS04X) +#define GPIO56_CI_DD_7 MFP_CFG_DRV(GPIO56, AF0, DS04X) +#define GPIO57_CI_DD_8 MFP_CFG_DRV(GPIO57, AF1, DS04X) +#define GPIO58_CI_DD_9 MFP_CFG_DRV(GPIO58, AF1, DS04X) +#define GPIO59_CI_MCLK MFP_CFG_DRV(GPIO59, AF0, DS04X) +#define GPIO60_CI_PCLK MFP_CFG_DRV(GPIO60, AF0, DS04X) +#define GPIO61_CI_HSYNC MFP_CFG_DRV(GPIO61, AF0, DS04X) +#define GPIO62_CI_VSYNC MFP_CFG_DRV(GPIO62, AF0, DS04X) + +#define GPIO31_CIR_OUT MFP_CFG(GPIO31, AF5) + +#define GPIO0_2_CLK_EXT MFP_CFG(GPIO0_2, AF3) +#define GPIO0_DRQ MFP_CFG(GPIO0, AF2) +#define GPIO11_EXT_SYNC0 MFP_CFG(GPIO11, AF5) +#define GPIO12_EXT_SYNC1 MFP_CFG(GPIO12, AF6) +#define GPIO0_2_HZ_CLK MFP_CFG(GPIO0_2, AF1) +#define GPIO14_HZ_CLK MFP_CFG(GPIO14, AF4) +#define GPIO30_ICP_RXD MFP_CFG(GPIO30, AF1) +#define GPIO31_ICP_TXD MFP_CFG(GPIO31, AF1) + +#define GPIO83_KP_DKIN_0 MFP_CFG_LPM(GPIO83, AF3, FLOAT) +#define GPIO84_KP_DKIN_1 MFP_CFG_LPM(GPIO84, AF3, FLOAT) +#define GPIO85_KP_DKIN_2 MFP_CFG_LPM(GPIO85, AF3, FLOAT) +#define GPIO86_KP_DKIN_3 MFP_CFG_LPM(GPIO86, AF3, FLOAT) + +#define GPIO105_KP_DKIN_0 MFP_CFG_LPM(GPIO105, AF2, FLOAT) +#define GPIO106_KP_DKIN_1 MFP_CFG_LPM(GPIO106, AF2, FLOAT) +#define GPIO107_KP_DKIN_2 MFP_CFG_LPM(GPIO107, AF2, FLOAT) +#define GPIO108_KP_DKIN_3 MFP_CFG_LPM(GPIO108, AF2, FLOAT) +#define GPIO109_KP_DKIN_4 MFP_CFG_LPM(GPIO109, AF2, FLOAT) +#define GPIO110_KP_DKIN_5 MFP_CFG_LPM(GPIO110, AF2, FLOAT) +#define GPIO111_KP_DKIN_6 MFP_CFG_LPM(GPIO111, AF2, FLOAT) +#define GPIO112_KP_DKIN_7 MFP_CFG_LPM(GPIO112, AF2, FLOAT) + +#define GPIO113_KP_DKIN_0 MFP_CFG_LPM(GPIO113, AF2, FLOAT) +#define GPIO114_KP_DKIN_1 MFP_CFG_LPM(GPIO114, AF2, FLOAT) +#define GPIO115_KP_DKIN_2 MFP_CFG_LPM(GPIO115, AF2, FLOAT) +#define GPIO116_KP_DKIN_3 MFP_CFG_LPM(GPIO116, AF2, FLOAT) +#define GPIO117_KP_DKIN_4 MFP_CFG_LPM(GPIO117, AF2, FLOAT) +#define GPIO118_KP_DKIN_5 MFP_CFG_LPM(GPIO118, AF2, FLOAT) +#define GPIO119_KP_DKIN_6 MFP_CFG_LPM(GPIO119, AF2, FLOAT) +#define GPIO120_KP_DKIN_7 MFP_CFG_LPM(GPIO120, AF2, FLOAT) + +#define GPIO127_KP_DKIN_0 MFP_CFG_LPM(GPIO127, AF2, FLOAT) +#define GPIO126_KP_DKIN_1 MFP_CFG_LPM(GPIO126, AF2, FLOAT) + +#define GPIO2_2_KP_DKIN_0 MFP_CFG_LPM(GPIO2_2, AF2, FLOAT) +#define GPIO3_2_KP_DKIN_1 MFP_CFG_LPM(GPIO3_2, AF2, FLOAT) +#define GPIO125_KP_DKIN_2 MFP_CFG_LPM(GPIO125, AF2, FLOAT) +#define GPIO124_KP_DKIN_3 MFP_CFG_LPM(GPIO124, AF2, FLOAT) +#define GPIO123_KP_DKIN_4 MFP_CFG_LPM(GPIO123, AF2, FLOAT) +#define GPIO122_KP_DKIN_5 MFP_CFG_LPM(GPIO122, AF2, FLOAT) +#define GPIO121_KP_DKIN_6 MFP_CFG_LPM(GPIO121, AF2, FLOAT) +#define GPIO4_2_KP_DKIN_7 MFP_CFG_LPM(GPIO4_2, AF2, FLOAT) + +#define GPIO113_KP_MKIN_0 MFP_CFG_LPM(GPIO113, AF1, FLOAT) +#define GPIO114_KP_MKIN_1 MFP_CFG_LPM(GPIO114, AF1, FLOAT) +#define GPIO115_KP_MKIN_2 MFP_CFG_LPM(GPIO115, AF1, FLOAT) +#define GPIO116_KP_MKIN_3 MFP_CFG_LPM(GPIO116, AF1, FLOAT) +#define GPIO117_KP_MKIN_4 MFP_CFG_LPM(GPIO117, AF1, FLOAT) +#define GPIO118_KP_MKIN_5 MFP_CFG_LPM(GPIO118, AF1, FLOAT) +#define GPIO119_KP_MKIN_6 MFP_CFG_LPM(GPIO119, AF1, FLOAT) +#define GPIO120_KP_MKIN_7 MFP_CFG_LPM(GPIO120, AF1, FLOAT) + +#define GPIO83_KP_MKOUT_0 MFP_CFG_LPM(GPIO83, AF2, DRIVE_HIGH) +#define GPIO84_KP_MKOUT_1 MFP_CFG_LPM(GPIO84, AF2, DRIVE_HIGH) +#define GPIO85_KP_MKOUT_2 MFP_CFG_LPM(GPIO85, AF2, DRIVE_HIGH) +#define GPIO86_KP_MKOUT_3 MFP_CFG_LPM(GPIO86, AF2, DRIVE_HIGH) +#define GPIO13_KP_MKOUT_4 MFP_CFG_LPM(GPIO13, AF3, DRIVE_HIGH) +#define GPIO14_KP_MKOUT_5 MFP_CFG_LPM(GPIO14, AF3, DRIVE_HIGH) + +#define GPIO121_KP_MKOUT_0 MFP_CFG_LPM(GPIO121, AF1, DRIVE_HIGH) +#define GPIO122_KP_MKOUT_1 MFP_CFG_LPM(GPIO122, AF1, DRIVE_HIGH) +#define GPIO123_KP_MKOUT_2 MFP_CFG_LPM(GPIO123, AF1, DRIVE_HIGH) +#define GPIO124_KP_MKOUT_3 MFP_CFG_LPM(GPIO124, AF1, DRIVE_HIGH) +#define GPIO125_KP_MKOUT_4 MFP_CFG_LPM(GPIO125, AF1, DRIVE_HIGH) +#define GPIO126_KP_MKOUT_5 MFP_CFG_LPM(GPIO126, AF1, DRIVE_HIGH) +#define GPIO127_KP_MKOUT_6 MFP_CFG_LPM(GPIO127, AF1, DRIVE_HIGH) +#define GPIO5_2_KP_MKOUT_7 MFP_CFG_LPM(GPIO5_2, AF1, DRIVE_HIGH) + +/* LCD */ +#define GPIO6_2_LCD_LDD_0 MFP_CFG_DRV(GPIO6_2, AF1, DS01X) +#define GPIO7_2_LCD_LDD_1 MFP_CFG_DRV(GPIO7_2, AF1, DS01X) +#define GPIO8_2_LCD_LDD_2 MFP_CFG_DRV(GPIO8_2, AF1, DS01X) +#define GPIO9_2_LCD_LDD_3 MFP_CFG_DRV(GPIO9_2, AF1, DS01X) +#define GPIO10_2_LCD_LDD_4 MFP_CFG_DRV(GPIO10_2, AF1, DS01X) +#define GPIO11_2_LCD_LDD_5 MFP_CFG_DRV(GPIO11_2, AF1, DS01X) +#define GPIO12_2_LCD_LDD_6 MFP_CFG_DRV(GPIO12_2, AF1, DS01X) +#define GPIO13_2_LCD_LDD_7 MFP_CFG_DRV(GPIO13_2, AF1, DS01X) +#define GPIO63_LCD_LDD_8 MFP_CFG_DRV(GPIO63, AF1, DS01X) +#define GPIO64_LCD_LDD_9 MFP_CFG_DRV(GPIO64, AF1, DS01X) +#define GPIO65_LCD_LDD_10 MFP_CFG_DRV(GPIO65, AF1, DS01X) +#define GPIO66_LCD_LDD_11 MFP_CFG_DRV(GPIO66, AF1, DS01X) +#define GPIO67_LCD_LDD_12 MFP_CFG_DRV(GPIO67, AF1, DS01X) +#define GPIO68_LCD_LDD_13 MFP_CFG_DRV(GPIO68, AF1, DS01X) +#define GPIO69_LCD_LDD_14 MFP_CFG_DRV(GPIO69, AF1, DS01X) +#define GPIO70_LCD_LDD_15 MFP_CFG_DRV(GPIO70, AF1, DS01X) +#define GPIO71_LCD_LDD_16 MFP_CFG_DRV(GPIO71, AF1, DS01X) +#define GPIO72_LCD_LDD_17 MFP_CFG_DRV(GPIO72, AF1, DS01X) +#define GPIO73_LCD_CS_N MFP_CFG_DRV(GPIO73, AF2, DS01X) +#define GPIO74_LCD_VSYNC MFP_CFG_DRV(GPIO74, AF2, DS01X) +#define GPIO14_2_LCD_FCLK MFP_CFG_DRV(GPIO14_2, AF1, DS01X) +#define GPIO15_2_LCD_LCLK MFP_CFG_DRV(GPIO15_2, AF1, DS01X) +#define GPIO16_2_LCD_PCLK MFP_CFG_DRV(GPIO16_2, AF1, DS01X) +#define GPIO17_2_LCD_BIAS MFP_CFG_DRV(GPIO17_2, AF1, DS01X) +#define GPIO64_LCD_VSYNC MFP_CFG_DRV(GPIO64, AF2, DS01X) +#define GPIO63_LCD_CS_N MFP_CFG_DRV(GPIO63, AF2, DS01X) + +#define GPIO6_2_MLCD_DD_0 MFP_CFG_DRV(GPIO6_2, AF7, DS08X) +#define GPIO7_2_MLCD_DD_1 MFP_CFG_DRV(GPIO7_2, AF7, DS08X) +#define GPIO8_2_MLCD_DD_2 MFP_CFG_DRV(GPIO8_2, AF7, DS08X) +#define GPIO9_2_MLCD_DD_3 MFP_CFG_DRV(GPIO9_2, AF7, DS08X) +#define GPIO10_2_MLCD_DD_4 MFP_CFG_DRV(GPIO10_2, AF7, DS08X) +#define GPIO11_2_MLCD_DD_5 MFP_CFG_DRV(GPIO11_2, AF7, DS08X) +#define GPIO12_2_MLCD_DD_6 MFP_CFG_DRV(GPIO12_2, AF7, DS08X) +#define GPIO13_2_MLCD_DD_7 MFP_CFG_DRV(GPIO13_2, AF7, DS08X) +#define GPIO63_MLCD_DD_8 MFP_CFG_DRV(GPIO63, AF7, DS08X) +#define GPIO64_MLCD_DD_9 MFP_CFG_DRV(GPIO64, AF7, DS08X) +#define GPIO65_MLCD_DD_10 MFP_CFG_DRV(GPIO65, AF7, DS08X) +#define GPIO66_MLCD_DD_11 MFP_CFG_DRV(GPIO66, AF7, DS08X) +#define GPIO67_MLCD_DD_12 MFP_CFG_DRV(GPIO67, AF7, DS08X) +#define GPIO68_MLCD_DD_13 MFP_CFG_DRV(GPIO68, AF7, DS08X) +#define GPIO69_MLCD_DD_14 MFP_CFG_DRV(GPIO69, AF7, DS08X) +#define GPIO70_MLCD_DD_15 MFP_CFG_DRV(GPIO70, AF7, DS08X) +#define GPIO71_MLCD_DD_16 MFP_CFG_DRV(GPIO71, AF7, DS08X) +#define GPIO72_MLCD_DD_17 MFP_CFG_DRV(GPIO72, AF7, DS08X) +#define GPIO73_MLCD_CS MFP_CFG_DRV(GPIO73, AF7, DS08X) +#define GPIO74_MLCD_VSYNC MFP_CFG_DRV(GPIO74, AF7, DS08X) +#define GPIO14_2_MLCD_FCLK MFP_CFG_DRV(GPIO14_2, AF7, DS08X) +#define GPIO15_2_MLCD_LCLK MFP_CFG_DRV(GPIO15_2, AF7, DS08X) +#define GPIO16_2_MLCD_PCLK MFP_CFG_DRV(GPIO16_2, AF7, DS08X) +#define GPIO17_2_MLCD_BIAS MFP_CFG_DRV(GPIO17_2, AF7, DS08X) + +/* MMC1 */ +#define GPIO9_MMC1_CMD MFP_CFG_LPM(GPIO9, AF4, DRIVE_HIGH) +#define GPIO22_MMC1_CLK MFP_CFG_LPM(GPIO22, AF4, DRIVE_HIGH) +#define GPIO23_MMC1_CMD MFP_CFG_LPM(GPIO23, AF4, DRIVE_HIGH) +#define GPIO30_MMC1_CLK MFP_CFG_LPM(GPIO30, AF4, DRIVE_HIGH) +#define GPIO31_MMC1_CMD MFP_CFG_LPM(GPIO31, AF4, DRIVE_HIGH) +#define GPIO5_MMC1_DAT0 MFP_CFG_LPM(GPIO5, AF4, DRIVE_HIGH) +#define GPIO6_MMC1_DAT1 MFP_CFG_LPM(GPIO6, AF4, DRIVE_HIGH) +#define GPIO7_MMC1_DAT2 MFP_CFG_LPM(GPIO7, AF4, DRIVE_HIGH) +#define GPIO8_MMC1_DAT3 MFP_CFG_LPM(GPIO8, AF4, DRIVE_HIGH) +#define GPIO18_MMC1_DAT0 MFP_CFG_LPM(GPIO18, AF4, DRIVE_HIGH) +#define GPIO19_MMC1_DAT1 MFP_CFG_LPM(GPIO19, AF4, DRIVE_HIGH) +#define GPIO20_MMC1_DAT2 MFP_CFG_LPM(GPIO20, AF4, DRIVE_HIGH) +#define GPIO21_MMC1_DAT3 MFP_CFG_LPM(GPIO21, AF4, DRIVE_HIGH) + +#define GPIO28_MMC2_CLK MFP_CFG_LPM(GPIO28, AF4, PULL_HIGH) +#define GPIO29_MMC2_CMD MFP_CFG_LPM(GPIO29, AF4, PULL_HIGH) +#define GPIO30_MMC2_CLK MFP_CFG_LPM(GPIO30, AF3, PULL_HIGH) +#define GPIO31_MMC2_CMD MFP_CFG_LPM(GPIO31, AF3, PULL_HIGH) +#define GPIO79_MMC2_CLK MFP_CFG_LPM(GPIO79, AF4, PULL_HIGH) +#define GPIO80_MMC2_CMD MFP_CFG_LPM(GPIO80, AF4, PULL_HIGH) + +#define GPIO5_MMC2_DAT0 MFP_CFG_LPM(GPIO5, AF2, PULL_HIGH) +#define GPIO6_MMC2_DAT1 MFP_CFG_LPM(GPIO6, AF2, PULL_HIGH) +#define GPIO7_MMC2_DAT2 MFP_CFG_LPM(GPIO7, AF2, PULL_HIGH) +#define GPIO8_MMC2_DAT3 MFP_CFG_LPM(GPIO8, AF2, PULL_HIGH) +#define GPIO24_MMC2_DAT0 MFP_CFG_LPM(GPIO24, AF4, PULL_HIGH) +#define GPIO75_MMC2_DAT0 MFP_CFG_LPM(GPIO75, AF4, PULL_HIGH) +#define GPIO25_MMC2_DAT1 MFP_CFG_LPM(GPIO25, AF4, PULL_HIGH) +#define GPIO76_MMC2_DAT1 MFP_CFG_LPM(GPIO76, AF4, PULL_HIGH) +#define GPIO26_MMC2_DAT2 MFP_CFG_LPM(GPIO26, AF4, PULL_HIGH) +#define GPIO77_MMC2_DAT2 MFP_CFG_LPM(GPIO77, AF4, PULL_HIGH) +#define GPIO27_MMC2_DAT3 MFP_CFG_LPM(GPIO27, AF4, PULL_HIGH) +#define GPIO78_MMC2_DAT3 MFP_CFG_LPM(GPIO78, AF4, PULL_HIGH) + +/* 1-Wire */ +#define GPIO14_ONE_WIRE MFP_CFG_LPM(GPIO14, AF5, FLOAT) +#define GPIO0_2_ONE_WIRE MFP_CFG_LPM(GPIO0_2, AF2, FLOAT) + +/* SSP1 */ +#define GPIO87_SSP1_EXTCLK MFP_CFG(GPIO87, AF1) +#define GPIO88_SSP1_SYSCLK MFP_CFG(GPIO88, AF1) +#define GPIO83_SSP1_SCLK MFP_CFG(GPIO83, AF1) +#define GPIO84_SSP1_SFRM MFP_CFG(GPIO84, AF1) +#define GPIO85_SSP1_RXD MFP_CFG(GPIO85, AF6) +#define GPIO85_SSP1_TXD MFP_CFG(GPIO85, AF1) +#define GPIO86_SSP1_RXD MFP_CFG(GPIO86, AF1) +#define GPIO86_SSP1_TXD MFP_CFG(GPIO86, AF6) + +/* SSP2 */ +#define GPIO39_SSP2_EXTCLK MFP_CFG(GPIO39, AF2) +#define GPIO40_SSP2_SYSCLK MFP_CFG(GPIO40, AF2) +#define GPIO12_SSP2_SCLK MFP_CFG(GPIO12, AF2) +#define GPIO35_SSP2_SCLK MFP_CFG(GPIO35, AF2) +#define GPIO36_SSP2_SFRM MFP_CFG(GPIO36, AF2) +#define GPIO37_SSP2_RXD MFP_CFG(GPIO37, AF5) +#define GPIO37_SSP2_TXD MFP_CFG(GPIO37, AF2) +#define GPIO38_SSP2_RXD MFP_CFG(GPIO38, AF2) +#define GPIO38_SSP2_TXD MFP_CFG(GPIO38, AF5) + +#define GPIO69_SSP3_SCLK MFP_CFG_X(GPIO69, AF2, DS08X, FLOAT) +#define GPIO70_SSP3_FRM MFP_CFG_X(GPIO70, AF2, DS08X, DRIVE_LOW) +#define GPIO89_SSP3_SCLK MFP_CFG_X(GPIO89, AF1, DS08X, FLOAT) +#define GPIO90_SSP3_FRM MFP_CFG_X(GPIO90, AF1, DS08X, DRIVE_LOW) +#define GPIO71_SSP3_RXD MFP_CFG_X(GPIO71, AF5, DS08X, FLOAT) +#define GPIO71_SSP3_TXD MFP_CFG_X(GPIO71, AF2, DS08X, DRIVE_LOW) +#define GPIO72_SSP3_RXD MFP_CFG_X(GPIO72, AF2, DS08X, FLOAT) +#define GPIO72_SSP3_TXD MFP_CFG_X(GPIO72, AF5, DS08X, DRIVE_LOW) +#define GPIO91_SSP3_RXD MFP_CFG_X(GPIO91, AF5, DS08X, FLOAT) +#define GPIO91_SSP3_TXD MFP_CFG_X(GPIO91, AF1, DS08X, DRIVE_LOW) +#define GPIO92_SSP3_RXD MFP_CFG_X(GPIO92, AF1, DS08X, FLOAT) +#define GPIO92_SSP3_TXD MFP_CFG_X(GPIO92, AF5, DS08X, DRIVE_LOW) + +#define GPIO93_SSP4_SCLK MFP_CFG_LPM(GPIO93, AF1, PULL_HIGH) +#define GPIO94_SSP4_FRM MFP_CFG_LPM(GPIO94, AF1, PULL_HIGH) +#define GPIO94_SSP4_RXD MFP_CFG_LPM(GPIO94, AF5, PULL_HIGH) +#define GPIO95_SSP4_RXD MFP_CFG_LPM(GPIO95, AF5, PULL_HIGH) +#define GPIO95_SSP4_TXD MFP_CFG_LPM(GPIO95, AF1, PULL_HIGH) +#define GPIO96_SSP4_RXD MFP_CFG_LPM(GPIO96, AF1, PULL_HIGH) +#define GPIO96_SSP4_TXD MFP_CFG_LPM(GPIO96, AF5, PULL_HIGH) + +/* UART1 */ +#define GPIO41_UART1_RXD MFP_CFG_LPM(GPIO41, AF2, FLOAT) +#define GPIO41_UART1_TXD MFP_CFG_LPM(GPIO41, AF4, FLOAT) +#define GPIO42_UART1_RXD MFP_CFG_LPM(GPIO42, AF4, FLOAT) +#define GPIO42_UART1_TXD MFP_CFG_LPM(GPIO42, AF2, FLOAT) +#define GPIO75_UART1_RXD MFP_CFG_LPM(GPIO75, AF1, FLOAT) +#define GPIO76_UART1_RXD MFP_CFG_LPM(GPIO76, AF3, FLOAT) +#define GPIO76_UART1_TXD MFP_CFG_LPM(GPIO76, AF1, FLOAT) +#define GPIO97_UART1_RXD MFP_CFG_LPM(GPIO97, AF1, FLOAT) +#define GPIO97_UART1_TXD MFP_CFG_LPM(GPIO97, AF6, FLOAT) +#define GPIO98_UART1_RXD MFP_CFG_LPM(GPIO98, AF6, FLOAT) +#define GPIO98_UART1_TXD MFP_CFG_LPM(GPIO98, AF1, FLOAT) +#define GPIO43_UART1_CTS MFP_CFG_LPM(GPIO43, AF2, FLOAT) +#define GPIO43_UART1_RTS MFP_CFG_LPM(GPIO43, AF4, FLOAT) +#define GPIO48_UART1_CTS MFP_CFG_LPM(GPIO48, AF4, FLOAT) +#define GPIO48_UART1_RTS MFP_CFG_LPM(GPIO48, AF2, FLOAT) +#define GPIO77_UART1_CTS MFP_CFG_LPM(GPIO77, AF1, FLOAT) +#define GPIO82_UART1_RTS MFP_CFG_LPM(GPIO82, AF1, FLOAT) +#define GPIO82_UART1_CTS MFP_CFG_LPM(GPIO82, AF3, FLOAT) +#define GPIO99_UART1_CTS MFP_CFG_LPM(GPIO99, AF1, FLOAT) +#define GPIO99_UART1_RTS MFP_CFG_LPM(GPIO99, AF6, FLOAT) +#define GPIO104_UART1_CTS MFP_CFG_LPM(GPIO104, AF6, FLOAT) +#define GPIO104_UART1_RTS MFP_CFG_LPM(GPIO104, AF1, FLOAT) +#define GPIO45_UART1_DTR MFP_CFG_LPM(GPIO45, AF4, FLOAT) +#define GPIO45_UART1_DSR MFP_CFG_LPM(GPIO45, AF2, FLOAT) +#define GPIO47_UART1_DTR MFP_CFG_LPM(GPIO47, AF2, FLOAT) +#define GPIO47_UART1_DSR MFP_CFG_LPM(GPIO47, AF4, FLOAT) +#define GPIO79_UART1_DSR MFP_CFG_LPM(GPIO79, AF1, FLOAT) +#define GPIO81_UART1_DTR MFP_CFG_LPM(GPIO81, AF1, FLOAT) +#define GPIO81_UART1_DSR MFP_CFG_LPM(GPIO81, AF3, FLOAT) +#define GPIO101_UART1_DTR MFP_CFG_LPM(GPIO101, AF6, FLOAT) +#define GPIO101_UART1_DSR MFP_CFG_LPM(GPIO101, AF1, FLOAT) +#define GPIO103_UART1_DTR MFP_CFG_LPM(GPIO103, AF1, FLOAT) +#define GPIO103_UART1_DSR MFP_CFG_LPM(GPIO103, AF6, FLOAT) +#define GPIO44_UART1_DCD MFP_CFG_LPM(GPIO44, AF2, FLOAT) +#define GPIO78_UART1_DCD MFP_CFG_LPM(GPIO78, AF1, FLOAT) +#define GPIO100_UART1_DCD MFP_CFG_LPM(GPIO100, AF1, FLOAT) +#define GPIO46_UART1_RI MFP_CFG_LPM(GPIO46, AF2, FLOAT) +#define GPIO80_UART1_RI MFP_CFG_LPM(GPIO80, AF1, FLOAT) +#define GPIO102_UART1_RI MFP_CFG_LPM(GPIO102, AF1, FLOAT) + +/* UART2 */ +#define GPIO109_UART2_CTS MFP_CFG_LPM(GPIO109, AF3, FLOAT) +#define GPIO109_UART2_RTS MFP_CFG_LPM(GPIO109, AF1, FLOAT) +#define GPIO112_UART2_CTS MFP_CFG_LPM(GPIO112, AF1, FLOAT) +#define GPIO112_UART2_RTS MFP_CFG_LPM(GPIO112, AF3, FLOAT) +#define GPIO110_UART2_RXD MFP_CFG_LPM(GPIO110, AF1, FLOAT) +#define GPIO110_UART2_TXD MFP_CFG_LPM(GPIO110, AF3, FLOAT) +#define GPIO111_UART2_RXD MFP_CFG_LPM(GPIO111, AF3, FLOAT) +#define GPIO111_UART2_TXD MFP_CFG_LPM(GPIO111, AF1, FLOAT) + +/* UART3 */ +#define GPIO89_UART3_CTS MFP_CFG_LPM(GPIO89, AF2, FLOAT) +#define GPIO89_UART3_RTS MFP_CFG_LPM(GPIO89, AF4, FLOAT) +#define GPIO90_UART3_CTS MFP_CFG_LPM(GPIO90, AF4, FLOAT) +#define GPIO90_UART3_RTS MFP_CFG_LPM(GPIO90, AF2, FLOAT) +#define GPIO105_UART3_CTS MFP_CFG_LPM(GPIO105, AF1, FLOAT) +#define GPIO105_UART3_RTS MFP_CFG_LPM(GPIO105, AF3, FLOAT) +#define GPIO106_UART3_CTS MFP_CFG_LPM(GPIO106, AF3, FLOAT) +#define GPIO106_UART3_RTS MFP_CFG_LPM(GPIO106, AF1, FLOAT) +#define GPIO30_UART3_RXD MFP_CFG_LPM(GPIO30, AF2, FLOAT) +#define GPIO30_UART3_TXD MFP_CFG_LPM(GPIO30, AF6, FLOAT) +#define GPIO31_UART3_RXD MFP_CFG_LPM(GPIO31, AF6, FLOAT) +#define GPIO31_UART3_TXD MFP_CFG_LPM(GPIO31, AF2, FLOAT) +#define GPIO91_UART3_RXD MFP_CFG_LPM(GPIO91, AF4, FLOAT) +#define GPIO91_UART3_TXD MFP_CFG_LPM(GPIO91, AF2, FLOAT) +#define GPIO92_UART3_RXD MFP_CFG_LPM(GPIO92, AF2, FLOAT) +#define GPIO92_UART3_TXD MFP_CFG_LPM(GPIO92, AF4, FLOAT) +#define GPIO107_UART3_RXD MFP_CFG_LPM(GPIO107, AF3, FLOAT) +#define GPIO107_UART3_TXD MFP_CFG_LPM(GPIO107, AF1, FLOAT) +#define GPIO108_UART3_RXD MFP_CFG_LPM(GPIO108, AF1, FLOAT) +#define GPIO108_UART3_TXD MFP_CFG_LPM(GPIO108, AF3, FLOAT) + + +/* USB 2.0 UTMI */ +#define GPIO10_UTM_CLK MFP_CFG(GPIO10, AF1) +#define GPIO36_U2D_RXERROR MFP_CFG(GPIO36, AF3) +#define GPIO60_U2D_RXERROR MFP_CFG(GPIO60, AF1) +#define GPIO87_U2D_RXERROR MFP_CFG(GPIO87, AF5) +#define GPIO34_UTM_RXVALID MFP_CFG(GPIO34, AF3) +#define GPIO58_UTM_RXVALID MFP_CFG(GPIO58, AF2) +#define GPIO85_UTM_RXVALID MFP_CFG(GPIO85, AF5) +#define GPIO35_UTM_RXACTIVE MFP_CFG(GPIO35, AF3) +#define GPIO59_UTM_RXACTIVE MFP_CFG(GPIO59, AF1) +#define GPIO86_UTM_RXACTIVE MFP_CFG(GPIO86, AF5) +#define GPIO73_UTM_TXREADY MFP_CFG(GPIO73, AF1) +#define GPIO68_UTM_LINESTATE_0 MFP_CFG(GPIO68, AF3) +#define GPIO90_UTM_LINESTATE_0 MFP_CFG(GPIO90, AF3) +#define GPIO102_UTM_LINESTATE_0 MFP_CFG(GPIO102, AF3) +#define GPIO107_UTM_LINESTATE_0 MFP_CFG(GPIO107, AF4) +#define GPIO69_UTM_LINESTATE_1 MFP_CFG(GPIO69, AF3) +#define GPIO91_UTM_LINESTATE_1 MFP_CFG(GPIO91, AF3) +#define GPIO103_UTM_LINESTATE_1 MFP_CFG(GPIO103, AF3) + +#define GPIO41_U2D_PHYDATA_0 MFP_CFG(GPIO41, AF3) +#define GPIO42_U2D_PHYDATA_1 MFP_CFG(GPIO42, AF3) +#define GPIO43_U2D_PHYDATA_2 MFP_CFG(GPIO43, AF3) +#define GPIO44_U2D_PHYDATA_3 MFP_CFG(GPIO44, AF3) +#define GPIO45_U2D_PHYDATA_4 MFP_CFG(GPIO45, AF3) +#define GPIO46_U2D_PHYDATA_5 MFP_CFG(GPIO46, AF3) +#define GPIO47_U2D_PHYDATA_6 MFP_CFG(GPIO47, AF3) +#define GPIO48_U2D_PHYDATA_7 MFP_CFG(GPIO48, AF3) + +#define GPIO49_U2D_PHYDATA_0 MFP_CFG(GPIO49, AF3) +#define GPIO50_U2D_PHYDATA_1 MFP_CFG(GPIO50, AF3) +#define GPIO51_U2D_PHYDATA_2 MFP_CFG(GPIO51, AF3) +#define GPIO52_U2D_PHYDATA_3 MFP_CFG(GPIO52, AF3) +#define GPIO53_U2D_PHYDATA_4 MFP_CFG(GPIO53, AF3) +#define GPIO54_U2D_PHYDATA_5 MFP_CFG(GPIO54, AF3) +#define GPIO55_U2D_PHYDATA_6 MFP_CFG(GPIO55, AF3) +#define GPIO56_U2D_PHYDATA_7 MFP_CFG(GPIO56, AF3) + +#define GPIO37_U2D_OPMODE0 MFP_CFG(GPIO37, AF4) +#define GPIO61_U2D_OPMODE0 MFP_CFG(GPIO61, AF2) +#define GPIO88_U2D_OPMODE0 MFP_CFG(GPIO88, AF7) + +#define GPIO38_U2D_OPMODE1 MFP_CFG(GPIO38, AF4) +#define GPIO62_U2D_OPMODE1 MFP_CFG(GPIO62, AF2) +#define GPIO104_U2D_OPMODE1 MFP_CFG(GPIO104, AF4) +#define GPIO108_U2D_OPMODE1 MFP_CFG(GPIO108, AF5) + +#define GPIO74_U2D_RESET MFP_CFG(GPIO74, AF1) +#define GPIO93_U2D_RESET MFP_CFG(GPIO93, AF2) +#define GPIO98_U2D_RESET MFP_CFG(GPIO98, AF3) + +#define GPIO67_U2D_SUSPEND MFP_CFG(GPIO67, AF3) +#define GPIO96_U2D_SUSPEND MFP_CFG(GPIO96, AF2) +#define GPIO101_U2D_SUSPEND MFP_CFG(GPIO101, AF3) + +#define GPIO66_U2D_TERM_SEL MFP_CFG(GPIO66, AF5) +#define GPIO95_U2D_TERM_SEL MFP_CFG(GPIO95, AF3) +#define GPIO97_U2D_TERM_SEL MFP_CFG(GPIO97, AF7) +#define GPIO100_U2D_TERM_SEL MFP_CFG(GPIO100, AF5) + +#define GPIO39_U2D_TXVALID MFP_CFG(GPIO39, AF4) +#define GPIO70_U2D_TXVALID MFP_CFG(GPIO70, AF5) +#define GPIO83_U2D_TXVALID MFP_CFG(GPIO83, AF7) + +#define GPIO65_U2D_XCVR_SEL MFP_CFG(GPIO65, AF5) +#define GPIO94_U2D_XCVR_SEL MFP_CFG(GPIO94, AF3) +#define GPIO99_U2D_XCVR_SEL MFP_CFG(GPIO99, AF5) + +/* USB Host 1.1 */ +#define GPIO2_2_USBH_PEN MFP_CFG(GPIO2_2, AF1) +#define GPIO3_2_USBH_PWR MFP_CFG(GPIO3_2, AF1) + +/* USB P2 */ +#define GPIO97_USB_P2_2 MFP_CFG(GPIO97, AF2) +#define GPIO97_USB_P2_6 MFP_CFG(GPIO97, AF4) +#define GPIO98_USB_P2_2 MFP_CFG(GPIO98, AF4) +#define GPIO98_USB_P2_6 MFP_CFG(GPIO98, AF2) +#define GPIO99_USB_P2_1 MFP_CFG(GPIO99, AF2) +#define GPIO100_USB_P2_4 MFP_CFG(GPIO100, AF2) +#define GPIO101_USB_P2_8 MFP_CFG(GPIO101, AF2) +#define GPIO102_USB_P2_3 MFP_CFG(GPIO102, AF2) +#define GPIO103_USB_P2_5 MFP_CFG(GPIO103, AF2) +#define GPIO104_USB_P2_7 MFP_CFG(GPIO104, AF2) + +/* USB P3 */ +#define GPIO75_USB_P3_1 MFP_CFG(GPIO75, AF2) +#define GPIO76_USB_P3_2 MFP_CFG(GPIO76, AF2) +#define GPIO77_USB_P3_3 MFP_CFG(GPIO77, AF2) +#define GPIO78_USB_P3_4 MFP_CFG(GPIO78, AF2) +#define GPIO79_USB_P3_5 MFP_CFG(GPIO79, AF2) +#define GPIO80_USB_P3_6 MFP_CFG(GPIO80, AF2) + +#define GPIO13_CHOUT0 MFP_CFG(GPIO13, AF6) +#define GPIO14_CHOUT1 MFP_CFG(GPIO14, AF6) + +#define GPIO2_RDY MFP_CFG(GPIO2, AF1) +#define GPIO5_NPIOR MFP_CFG(GPIO5, AF3) +#define GPIO6_NPIOW MFP_CFG(GPIO6, AF3) +#define GPIO7_NPIOS16 MFP_CFG(GPIO7, AF3) +#define GPIO8_NPWAIT MFP_CFG(GPIO8, AF3) + +#define GPIO11_PWM0_OUT MFP_CFG(GPIO11, AF1) +#define GPIO12_PWM1_OUT MFP_CFG(GPIO12, AF1) +#define GPIO13_PWM2_OUT MFP_CFG(GPIO13, AF1) +#define GPIO14_PWM3_OUT MFP_CFG(GPIO14, AF1) + +#endif /* __ASM_ARCH_MFP_PXA320_H */ diff --git a/arch/arm/mach-pxa/mfp-pxa3xx.c b/arch/arm/mach-pxa/mfp-pxa3xx.c new file mode 100644 index 0000000000..d16ab7451e --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa3xx.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/mfp.c + * + * PXA3xx Multi-Function Pin Support + * + * Copyright (C) 2007 Marvell Internation Ltd. + * + * 2007-08-21: eric miao <eric.miao@marvell.com> + * initial version + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/syscore_ops.h> + +#include "mfp-pxa3xx.h" +#include "pxa3xx-regs.h" + +#ifdef CONFIG_PM +/* + * Configure the MFPs appropriately for suspend/resume. + * FIXME: this should probably depend on which system state we're + * entering - for instance, we might not want to place MFP pins in + * a pull-down mode if they're an active low chip select, and we're + * just entering standby. + */ +static int pxa3xx_mfp_suspend(void) +{ + mfp_config_lpm(); + return 0; +} + +static void pxa3xx_mfp_resume(void) +{ + mfp_config_run(); + + /* clear RDH bit when MFP settings are restored + * + * NOTE: the last 3 bits DxS are write-1-to-clear so carefully + * preserve them here in case they will be referenced later + */ + ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S); +} +#else +#define pxa3xx_mfp_suspend NULL +#define pxa3xx_mfp_resume NULL +#endif + +struct syscore_ops pxa3xx_mfp_syscore_ops = { + .suspend = pxa3xx_mfp_suspend, + .resume = pxa3xx_mfp_resume, +}; diff --git a/arch/arm/mach-pxa/mfp-pxa3xx.h b/arch/arm/mach-pxa/mfp-pxa3xx.h new file mode 100644 index 0000000000..81fec4fa5a --- /dev/null +++ b/arch/arm/mach-pxa/mfp-pxa3xx.h @@ -0,0 +1,159 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_ARCH_MFP_PXA3XX_H +#define __ASM_ARCH_MFP_PXA3XX_H + +#include <linux/soc/pxa/mfp.h> + +#define MFPR_BASE (0x40e10000) + +/* PXA3xx common MFP configurations - processor specific ones defined + * in mfp-pxa300.h and mfp-pxa320.h + */ +#define GPIO0_GPIO MFP_CFG(GPIO0, AF0) +#define GPIO1_GPIO MFP_CFG(GPIO1, AF0) +#define GPIO2_GPIO MFP_CFG(GPIO2, AF0) +#define GPIO3_GPIO MFP_CFG(GPIO3, AF0) +#define GPIO4_GPIO MFP_CFG(GPIO4, AF0) +#define GPIO5_GPIO MFP_CFG(GPIO5, AF0) +#define GPIO6_GPIO MFP_CFG(GPIO6, AF0) +#define GPIO7_GPIO MFP_CFG(GPIO7, AF0) +#define GPIO8_GPIO MFP_CFG(GPIO8, AF0) +#define GPIO9_GPIO MFP_CFG(GPIO9, AF0) +#define GPIO10_GPIO MFP_CFG(GPIO10, AF0) +#define GPIO11_GPIO MFP_CFG(GPIO11, AF0) +#define GPIO12_GPIO MFP_CFG(GPIO12, AF0) +#define GPIO13_GPIO MFP_CFG(GPIO13, AF0) +#define GPIO14_GPIO MFP_CFG(GPIO14, AF0) +#define GPIO15_GPIO MFP_CFG(GPIO15, AF0) +#define GPIO16_GPIO MFP_CFG(GPIO16, AF0) +#define GPIO17_GPIO MFP_CFG(GPIO17, AF0) +#define GPIO18_GPIO MFP_CFG(GPIO18, AF0) +#define GPIO19_GPIO MFP_CFG(GPIO19, AF0) +#define GPIO20_GPIO MFP_CFG(GPIO20, AF0) +#define GPIO21_GPIO MFP_CFG(GPIO21, AF0) +#define GPIO22_GPIO MFP_CFG(GPIO22, AF0) +#define GPIO23_GPIO MFP_CFG(GPIO23, AF0) +#define GPIO24_GPIO MFP_CFG(GPIO24, AF0) +#define GPIO25_GPIO MFP_CFG(GPIO25, AF0) +#define GPIO26_GPIO MFP_CFG(GPIO26, AF0) +#define GPIO27_GPIO MFP_CFG(GPIO27, AF0) +#define GPIO28_GPIO MFP_CFG(GPIO28, AF0) +#define GPIO29_GPIO MFP_CFG(GPIO29, AF0) +#define GPIO30_GPIO MFP_CFG(GPIO30, AF0) +#define GPIO31_GPIO MFP_CFG(GPIO31, AF0) +#define GPIO32_GPIO MFP_CFG(GPIO32, AF0) +#define GPIO33_GPIO MFP_CFG(GPIO33, AF0) +#define GPIO34_GPIO MFP_CFG(GPIO34, AF0) +#define GPIO35_GPIO MFP_CFG(GPIO35, AF0) +#define GPIO36_GPIO MFP_CFG(GPIO36, AF0) +#define GPIO37_GPIO MFP_CFG(GPIO37, AF0) +#define GPIO38_GPIO MFP_CFG(GPIO38, AF0) +#define GPIO39_GPIO MFP_CFG(GPIO39, AF0) +#define GPIO40_GPIO MFP_CFG(GPIO40, AF0) +#define GPIO41_GPIO MFP_CFG(GPIO41, AF0) +#define GPIO42_GPIO MFP_CFG(GPIO42, AF0) +#define GPIO43_GPIO MFP_CFG(GPIO43, AF0) +#define GPIO44_GPIO MFP_CFG(GPIO44, AF0) +#define GPIO45_GPIO MFP_CFG(GPIO45, AF0) + +#define GPIO47_GPIO MFP_CFG(GPIO47, AF0) +#define GPIO48_GPIO MFP_CFG(GPIO48, AF0) + +#define GPIO53_GPIO MFP_CFG(GPIO53, AF0) +#define GPIO54_GPIO MFP_CFG(GPIO54, AF0) +#define GPIO55_GPIO MFP_CFG(GPIO55, AF0) + +#define GPIO57_GPIO MFP_CFG(GPIO57, AF0) + +#define GPIO63_GPIO MFP_CFG(GPIO63, AF0) +#define GPIO64_GPIO MFP_CFG(GPIO64, AF0) +#define GPIO65_GPIO MFP_CFG(GPIO65, AF0) +#define GPIO66_GPIO MFP_CFG(GPIO66, AF0) +#define GPIO67_GPIO MFP_CFG(GPIO67, AF0) +#define GPIO68_GPIO MFP_CFG(GPIO68, AF0) +#define GPIO69_GPIO MFP_CFG(GPIO69, AF0) +#define GPIO70_GPIO MFP_CFG(GPIO70, AF0) +#define GPIO71_GPIO MFP_CFG(GPIO71, AF0) +#define GPIO72_GPIO MFP_CFG(GPIO72, AF0) +#define GPIO73_GPIO MFP_CFG(GPIO73, AF0) +#define GPIO74_GPIO MFP_CFG(GPIO74, AF0) +#define GPIO75_GPIO MFP_CFG(GPIO75, AF0) +#define GPIO76_GPIO MFP_CFG(GPIO76, AF0) +#define GPIO77_GPIO MFP_CFG(GPIO77, AF0) +#define GPIO78_GPIO MFP_CFG(GPIO78, AF0) +#define GPIO79_GPIO MFP_CFG(GPIO79, AF0) +#define GPIO80_GPIO MFP_CFG(GPIO80, AF0) +#define GPIO81_GPIO MFP_CFG(GPIO81, AF0) +#define GPIO82_GPIO MFP_CFG(GPIO82, AF0) +#define GPIO83_GPIO MFP_CFG(GPIO83, AF0) +#define GPIO84_GPIO MFP_CFG(GPIO84, AF0) +#define GPIO85_GPIO MFP_CFG(GPIO85, AF0) +#define GPIO86_GPIO MFP_CFG(GPIO86, AF0) +#define GPIO87_GPIO MFP_CFG(GPIO87, AF0) +#define GPIO88_GPIO MFP_CFG(GPIO88, AF0) +#define GPIO89_GPIO MFP_CFG(GPIO89, AF0) +#define GPIO90_GPIO MFP_CFG(GPIO90, AF0) +#define GPIO91_GPIO MFP_CFG(GPIO91, AF0) +#define GPIO92_GPIO MFP_CFG(GPIO92, AF0) +#define GPIO93_GPIO MFP_CFG(GPIO93, AF0) +#define GPIO94_GPIO MFP_CFG(GPIO94, AF0) +#define GPIO95_GPIO MFP_CFG(GPIO95, AF0) +#define GPIO96_GPIO MFP_CFG(GPIO96, AF0) +#define GPIO97_GPIO MFP_CFG(GPIO97, AF0) +#define GPIO98_GPIO MFP_CFG(GPIO98, AF0) +#define GPIO99_GPIO MFP_CFG(GPIO99, AF0) +#define GPIO100_GPIO MFP_CFG(GPIO100, AF0) +#define GPIO101_GPIO MFP_CFG(GPIO101, AF0) +#define GPIO102_GPIO MFP_CFG(GPIO102, AF0) +#define GPIO103_GPIO MFP_CFG(GPIO103, AF0) +#define GPIO104_GPIO MFP_CFG(GPIO104, AF0) +#define GPIO105_GPIO MFP_CFG(GPIO105, AF0) +#define GPIO106_GPIO MFP_CFG(GPIO106, AF0) +#define GPIO107_GPIO MFP_CFG(GPIO107, AF0) +#define GPIO108_GPIO MFP_CFG(GPIO108, AF0) +#define GPIO109_GPIO MFP_CFG(GPIO109, AF0) +#define GPIO110_GPIO MFP_CFG(GPIO110, AF0) +#define GPIO111_GPIO MFP_CFG(GPIO111, AF0) +#define GPIO112_GPIO MFP_CFG(GPIO112, AF0) +#define GPIO113_GPIO MFP_CFG(GPIO113, AF0) +#define GPIO114_GPIO MFP_CFG(GPIO114, AF0) +#define GPIO115_GPIO MFP_CFG(GPIO115, AF0) +#define GPIO116_GPIO MFP_CFG(GPIO116, AF0) +#define GPIO117_GPIO MFP_CFG(GPIO117, AF0) +#define GPIO118_GPIO MFP_CFG(GPIO118, AF0) +#define GPIO119_GPIO MFP_CFG(GPIO119, AF0) +#define GPIO120_GPIO MFP_CFG(GPIO120, AF0) +#define GPIO121_GPIO MFP_CFG(GPIO121, AF0) +#define GPIO122_GPIO MFP_CFG(GPIO122, AF0) +#define GPIO123_GPIO MFP_CFG(GPIO123, AF0) +#define GPIO124_GPIO MFP_CFG(GPIO124, AF0) +#define GPIO125_GPIO MFP_CFG(GPIO125, AF0) +#define GPIO126_GPIO MFP_CFG(GPIO126, AF0) +#define GPIO127_GPIO MFP_CFG(GPIO127, AF0) + +#define GPIO0_2_GPIO MFP_CFG(GPIO0_2, AF0) +#define GPIO1_2_GPIO MFP_CFG(GPIO1_2, AF0) +#define GPIO2_2_GPIO MFP_CFG(GPIO2_2, AF0) +#define GPIO3_2_GPIO MFP_CFG(GPIO3_2, AF0) +#define GPIO4_2_GPIO MFP_CFG(GPIO4_2, AF0) +#define GPIO5_2_GPIO MFP_CFG(GPIO5_2, AF0) +#define GPIO6_2_GPIO MFP_CFG(GPIO6_2, AF0) + +/* NOTE: usage of these two functions is not recommended, + * use pxa3xx_mfp_config() instead. + */ +static inline unsigned long pxa3xx_mfp_read(int mfp) +{ + return mfp_read(mfp); +} + +static inline void pxa3xx_mfp_write(int mfp, unsigned long val) +{ + mfp_write(mfp, val); +} + +static inline void pxa3xx_mfp_config(unsigned long *mfp_cfg, int num) +{ + mfp_config(mfp_cfg, num); +} +#endif /* __ASM_ARCH_MFP_PXA3XX_H */ diff --git a/arch/arm/mach-pxa/mfp.h b/arch/arm/mach-pxa/mfp.h new file mode 100644 index 0000000000..7e0879bd41 --- /dev/null +++ b/arch/arm/mach-pxa/mfp.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/mfp.h + * + * Multi-Function Pin Definitions + * + * Copyright (C) 2007 Marvell International Ltd. + * + * 2007-8-21: eric miao <eric.miao@marvell.com> + * initial version + */ + +#ifndef __ASM_ARCH_MFP_H +#define __ASM_ARCH_MFP_H + +#include <linux/soc/pxa/mfp.h> + +#endif /* __ASM_ARCH_MFP_H */ diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c new file mode 100644 index 0000000000..c63e854921 --- /dev/null +++ b/arch/arm/mach-pxa/pm.c @@ -0,0 +1,115 @@ +/* + * PXA250/210 Power Management Routines + * + * Original code for the SA11x0: + * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com> + * + * Modified for the PXA250 by Nicolas Pitre: + * Copyright (c) 2002 Monta Vista Software, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License. + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/suspend.h> +#include <linux/errno.h> +#include <linux/slab.h> + +#include "pm.h" + +struct pxa_cpu_pm_fns *pxa_cpu_pm_fns; +static unsigned long *sleep_save; + +int pxa_pm_enter(suspend_state_t state) +{ + unsigned long sleep_save_checksum = 0, checksum = 0; + int i; + +#ifdef CONFIG_IWMMXT + /* force any iWMMXt context to ram **/ + if (elf_hwcap & HWCAP_IWMMXT) + iwmmxt_task_disable(NULL); +#endif + + /* skip registers saving for standby */ + if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->save) { + pxa_cpu_pm_fns->save(sleep_save); + /* before sleeping, calculate and save a checksum */ + for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++) + sleep_save_checksum += sleep_save[i]; + } + + /* *** go zzz *** */ + pxa_cpu_pm_fns->enter(state); + + if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->restore) { + /* after sleeping, validate the checksum */ + for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++) + checksum += sleep_save[i]; + + /* if invalid, display message and wait for a hardware reset */ + if (checksum != sleep_save_checksum) { + + while (1) + pxa_cpu_pm_fns->enter(state); + } + pxa_cpu_pm_fns->restore(sleep_save); + } + + pr_debug("*** made it back from resume\n"); + + return 0; +} + +EXPORT_SYMBOL_GPL(pxa_pm_enter); + +static int pxa_pm_valid(suspend_state_t state) +{ + if (pxa_cpu_pm_fns) + return pxa_cpu_pm_fns->valid(state); + + return -EINVAL; +} + +int pxa_pm_prepare(void) +{ + int ret = 0; + + if (pxa_cpu_pm_fns && pxa_cpu_pm_fns->prepare) + ret = pxa_cpu_pm_fns->prepare(); + + return ret; +} + +void pxa_pm_finish(void) +{ + if (pxa_cpu_pm_fns && pxa_cpu_pm_fns->finish) + pxa_cpu_pm_fns->finish(); +} + +static const struct platform_suspend_ops pxa_pm_ops = { + .valid = pxa_pm_valid, + .enter = pxa_pm_enter, + .prepare = pxa_pm_prepare, + .finish = pxa_pm_finish, +}; + +static int __init pxa_pm_init(void) +{ + if (!pxa_cpu_pm_fns) { + printk(KERN_ERR "no valid pxa_cpu_pm_fns defined\n"); + return -EINVAL; + } + + sleep_save = kmalloc_array(pxa_cpu_pm_fns->save_count, + sizeof(*sleep_save), + GFP_KERNEL); + if (!sleep_save) + return -ENOMEM; + + suspend_set_ops(&pxa_pm_ops); + return 0; +} + +device_initcall(pxa_pm_init); diff --git a/arch/arm/mach-pxa/pm.h b/arch/arm/mach-pxa/pm.h new file mode 100644 index 0000000000..a16fa14088 --- /dev/null +++ b/arch/arm/mach-pxa/pm.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2005 Richard Purdie + */ + +#include <linux/suspend.h> + +struct pxa_cpu_pm_fns { + int save_count; + void (*save)(unsigned long *); + void (*restore)(unsigned long *); + int (*valid)(suspend_state_t state); + void (*enter)(suspend_state_t state); + int (*prepare)(void); + void (*finish)(void); +}; + +extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns; + +/* sleep.S */ +extern int pxa25x_finish_suspend(unsigned long); +extern int pxa27x_finish_suspend(unsigned long); + +extern int pxa_pm_enter(suspend_state_t state); +extern int pxa_pm_prepare(void); +extern void pxa_pm_finish(void); + +extern const char pm_enter_standby_start[], pm_enter_standby_end[]; +extern int pxa3xx_finish_suspend(unsigned long); diff --git a/arch/arm/mach-pxa/pxa-dt.c b/arch/arm/mach-pxa/pxa-dt.c new file mode 100644 index 0000000000..a292de91dc --- /dev/null +++ b/arch/arm/mach-pxa/pxa-dt.c @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa-dt.c + * + * Copyright (C) 2012 Daniel Mack + */ + +#include <asm/mach/arch.h> + +#include "generic.h" + +#ifdef CONFIG_PXA25x +static const char * const pxa25x_dt_board_compat[] __initconst = { + "marvell,pxa250", + NULL, +}; + +DT_MACHINE_START(PXA25X_DT, "Marvell PXA25x (Device Tree Support)") + .map_io = pxa25x_map_io, + .restart = pxa_restart, + .dt_compat = pxa25x_dt_board_compat, +MACHINE_END +#endif + +#ifdef CONFIG_PXA27x +static const char * const pxa27x_dt_board_compat[] __initconst = { + "marvell,pxa270", + NULL, +}; + +DT_MACHINE_START(PXA27X_DT, "Marvell PXA27x (Device Tree Support)") + .map_io = pxa27x_map_io, + .restart = pxa_restart, + .dt_compat = pxa27x_dt_board_compat, +MACHINE_END +#endif + +#ifdef CONFIG_PXA3xx +static const char *const pxa3xx_dt_board_compat[] __initconst = { + "marvell,pxa300", + "marvell,pxa310", + "marvell,pxa320", + NULL, +}; + +DT_MACHINE_START(PXA_DT, "Marvell PXA3xx (Device Tree Support)") + .map_io = pxa3xx_map_io, + .restart = pxa_restart, + .dt_compat = pxa3xx_dt_board_compat, +MACHINE_END +#endif diff --git a/arch/arm/mach-pxa/pxa-regs.h b/arch/arm/mach-pxa/pxa-regs.h new file mode 100644 index 0000000000..ba5120c06b --- /dev/null +++ b/arch/arm/mach-pxa/pxa-regs.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Author: Nicolas Pitre + * Created: Jun 15, 2001 + * Copyright: MontaVista Software Inc. + */ +#ifndef __ASM_MACH_PXA_REGS_H +#define __ASM_MACH_PXA_REGS_H + +/* + * Workarounds for at least 2 errata so far require this. + * The mapping is set in mach-pxa/generic.c. + */ +#define UNCACHED_PHYS_0 0xfe000000 +#define UNCACHED_PHYS_0_SIZE 0x00100000 + +/* + * Intel PXA2xx internal register mapping: + * + * 0x40000000 - 0x41ffffff <--> 0xf2000000 - 0xf3ffffff + * 0x44000000 - 0x45ffffff <--> 0xf4000000 - 0xf5ffffff + * 0x48000000 - 0x49ffffff <--> 0xf6000000 - 0xf7ffffff + * 0x4c000000 - 0x4dffffff <--> 0xf8000000 - 0xf9ffffff + * 0x50000000 - 0x51ffffff <--> 0xfa000000 - 0xfbffffff + * 0x54000000 - 0x55ffffff <--> 0xfc000000 - 0xfdffffff + * 0x58000000 - 0x59ffffff <--> 0xfe000000 - 0xffffffff + * + * Note that not all PXA2xx chips implement all those addresses, and the + * kernel only maps the minimum needed range of this mapping. + */ +#define io_v2p(x) (0x3c000000 + ((x) & 0x01ffffff) + (((x) & 0x0e000000) << 1)) +#define io_p2v(x) IOMEM(0xf2000000 + ((x) & 0x01ffffff) + (((x) & 0x1c000000) >> 1)) + +#ifndef __ASSEMBLY__ +# define __REG(x) (*((volatile u32 __iomem *)io_p2v(x))) + +/* With indexed regs we don't want to feed the index through io_p2v() + especially if it is a variable, otherwise horrible code will result. */ +# define __REG2(x,y) \ + (*(volatile u32 __iomem*)((u32)&__REG(x) + (y))) + +# define __PREG(x) (io_v2p((u32)&(x))) + +#else + +# define __REG(x) io_p2v(x) +# define __PREG(x) io_v2p(x) + +#endif + + +#endif diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c new file mode 100644 index 0000000000..02712d24be --- /dev/null +++ b/arch/arm/mach-pxa/pxa25x.c @@ -0,0 +1,256 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa25x.c + * + * Author: Nicolas Pitre + * Created: Jun 15, 2001 + * Copyright: MontaVista Software Inc. + * + * Code specific to PXA21x/25x/26x variants. + * + * Since this file should be linked before any other machine specific file, + * the __initcall() here will be executed first. This serves as default + * initialization stuff for PXA machines which can be overridden later if + * need be. + */ +#include <linux/dmaengine.h> +#include <linux/dma/pxa-dma.h> +#include <linux/gpio.h> +#include <linux/gpio-pxa.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/suspend.h> +#include <linux/syscore_ops.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/platform_data/mmp_dma.h> +#include <linux/soc/pxa/cpu.h> +#include <linux/soc/pxa/smemc.h> + +#include <asm/mach/map.h> +#include <asm/suspend.h> +#include "irqs.h" +#include "pxa25x.h" +#include "reset.h" +#include "pm.h" +#include "addr-map.h" +#include "smemc.h" + +#include "generic.h" +#include "devices.h" + +/* + * Various clock factors driven by the CCCR register. + */ + +#ifdef CONFIG_PM + +#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x +#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] + +/* + * List of global PXA peripheral registers to preserve. + * More ones like CP and general purpose register values are preserved + * with the stack pointer in sleep.S. + */ +enum { + SLEEP_SAVE_PSTR, + SLEEP_SAVE_COUNT +}; + + +static void pxa25x_cpu_pm_save(unsigned long *sleep_save) +{ + SAVE(PSTR); +} + +static void pxa25x_cpu_pm_restore(unsigned long *sleep_save) +{ + RESTORE(PSTR); +} + +static void pxa25x_cpu_pm_enter(suspend_state_t state) +{ + /* Clear reset status */ + RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; + + switch (state) { + case PM_SUSPEND_MEM: + cpu_suspend(PWRMODE_SLEEP, pxa25x_finish_suspend); + break; + } +} + +static int pxa25x_cpu_pm_prepare(void) +{ + /* set resume return address */ + PSPR = __pa_symbol(cpu_resume); + return 0; +} + +static void pxa25x_cpu_pm_finish(void) +{ + /* ensure not to come back here if it wasn't intended */ + PSPR = 0; +} + +static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = { + .save_count = SLEEP_SAVE_COUNT, + .valid = suspend_valid_only_mem, + .save = pxa25x_cpu_pm_save, + .restore = pxa25x_cpu_pm_restore, + .enter = pxa25x_cpu_pm_enter, + .prepare = pxa25x_cpu_pm_prepare, + .finish = pxa25x_cpu_pm_finish, +}; + +static void __init pxa25x_init_pm(void) +{ + pxa_cpu_pm_fns = &pxa25x_cpu_pm_fns; +} +#else +static inline void pxa25x_init_pm(void) {} +#endif + +/* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm + */ + +static int pxa25x_set_wake(struct irq_data *d, unsigned int on) +{ + int gpio = pxa_irq_to_gpio(d->irq); + uint32_t mask = 0; + + if (gpio >= 0 && gpio < 85) + return gpio_set_wake(gpio, on); + + if (d->irq == IRQ_RTCAlrm) { + mask = PWER_RTC; + goto set_pwer; + } + + return -EINVAL; + +set_pwer: + if (on) + PWER |= mask; + else + PWER &=~mask; + + return 0; +} + +void __init pxa25x_init_irq(void) +{ + pxa_init_irq(32, pxa25x_set_wake); + set_handle_irq(pxa25x_handle_irq); +} + +static int __init __init +pxa25x_dt_init_irq(struct device_node *node, struct device_node *parent) +{ + pxa_dt_irq_init(pxa25x_set_wake); + set_handle_irq(icip_handle_irq); + + return 0; +} +IRQCHIP_DECLARE(pxa25x_intc, "marvell,pxa-intc", pxa25x_dt_init_irq); + +static struct map_desc pxa25x_io_desc[] __initdata = { + { /* Mem Ctl */ + .virtual = (unsigned long)SMEMC_VIRT, + .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE), + .length = SMEMC_SIZE, + .type = MT_DEVICE + }, { /* UNCACHED_PHYS_0 */ + .virtual = UNCACHED_PHYS_0, + .pfn = __phys_to_pfn(0x00000000), + .length = UNCACHED_PHYS_0_SIZE, + .type = MT_DEVICE + }, +}; + +void __init pxa25x_map_io(void) +{ + pxa_map_io(); + iotable_init(ARRAY_AND_SIZE(pxa25x_io_desc)); + pxa25x_get_clk_frequency_khz(1); +} + +static struct pxa_gpio_platform_data pxa25x_gpio_info __initdata = { + .irq_base = PXA_GPIO_TO_IRQ(0), + .gpio_set_wake = gpio_set_wake, +}; + +static struct platform_device *pxa25x_devices[] __initdata = { + &pxa25x_device_udc, + &pxa_device_pmu, + &pxa_device_i2s, + &sa1100_device_rtc, + &pxa25x_device_ssp, + &pxa25x_device_nssp, + &pxa25x_device_assp, + &pxa25x_device_pwm0, + &pxa25x_device_pwm1, + &pxa_device_asoc_platform, +}; + +static const struct dma_slave_map pxa25x_slave_map[] = { + /* PXA25x, PXA27x and PXA3xx common entries */ + { "pxa2xx-ac97", "pcm_pcm_mic_mono", PDMA_FILTER_PARAM(LOWEST, 8) }, + { "pxa2xx-ac97", "pcm_pcm_aux_mono_in", PDMA_FILTER_PARAM(LOWEST, 9) }, + { "pxa2xx-ac97", "pcm_pcm_aux_mono_out", + PDMA_FILTER_PARAM(LOWEST, 10) }, + { "pxa2xx-ac97", "pcm_pcm_stereo_in", PDMA_FILTER_PARAM(LOWEST, 11) }, + { "pxa2xx-ac97", "pcm_pcm_stereo_out", PDMA_FILTER_PARAM(LOWEST, 12) }, + { "pxa-ssp-dai.1", "rx", PDMA_FILTER_PARAM(LOWEST, 13) }, + { "pxa-ssp-dai.1", "tx", PDMA_FILTER_PARAM(LOWEST, 14) }, + { "pxa-ssp-dai.2", "rx", PDMA_FILTER_PARAM(LOWEST, 15) }, + { "pxa-ssp-dai.2", "tx", PDMA_FILTER_PARAM(LOWEST, 16) }, + { "pxa2xx-ir", "rx", PDMA_FILTER_PARAM(LOWEST, 17) }, + { "pxa2xx-ir", "tx", PDMA_FILTER_PARAM(LOWEST, 18) }, + { "pxa2xx-mci.0", "rx", PDMA_FILTER_PARAM(LOWEST, 21) }, + { "pxa2xx-mci.0", "tx", PDMA_FILTER_PARAM(LOWEST, 22) }, + + /* PXA25x specific map */ + { "pxa25x-ssp.0", "rx", PDMA_FILTER_PARAM(LOWEST, 13) }, + { "pxa25x-ssp.0", "tx", PDMA_FILTER_PARAM(LOWEST, 14) }, + { "pxa25x-nssp.1", "rx", PDMA_FILTER_PARAM(LOWEST, 15) }, + { "pxa25x-nssp.1", "tx", PDMA_FILTER_PARAM(LOWEST, 16) }, + { "pxa25x-nssp.2", "rx", PDMA_FILTER_PARAM(LOWEST, 23) }, + { "pxa25x-nssp.2", "tx", PDMA_FILTER_PARAM(LOWEST, 24) }, +}; + +static struct mmp_dma_platdata pxa25x_dma_pdata = { + .dma_channels = 16, + .nb_requestors = 40, + .slave_map = pxa25x_slave_map, + .slave_map_cnt = ARRAY_SIZE(pxa25x_slave_map), +}; + +static int __init pxa25x_init(void) +{ + int ret = 0; + + if (cpu_is_pxa25x()) { + + pxa_register_wdt(RCSR); + + pxa25x_init_pm(); + + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa2xx_mfp_syscore_ops); + + if (!of_have_populated_dt()) { + pxa2xx_set_dmac_info(&pxa25x_dma_pdata); + pxa_register_device(&pxa25x_device_gpio, &pxa25x_gpio_info); + ret = platform_add_devices(pxa25x_devices, + ARRAY_SIZE(pxa25x_devices)); + } + } + + return ret; +} + +postcore_initcall(pxa25x_init); diff --git a/arch/arm/mach-pxa/pxa25x.h b/arch/arm/mach-pxa/pxa25x.h new file mode 100644 index 0000000000..eaaa876663 --- /dev/null +++ b/arch/arm/mach-pxa/pxa25x.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MACH_PXA25x_H +#define __MACH_PXA25x_H + +#include "addr-map.h" +#include "pxa2xx-regs.h" +#include "mfp-pxa25x.h" +#include "irqs.h" + +#endif /* __MACH_PXA25x_H */ diff --git a/arch/arm/mach-pxa/pxa27x-udc.h b/arch/arm/mach-pxa/pxa27x-udc.h new file mode 100644 index 0000000000..2d3df3b1cb --- /dev/null +++ b/arch/arm/mach-pxa/pxa27x-udc.h @@ -0,0 +1,260 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_ARCH_PXA27X_UDC_H +#define _ASM_ARCH_PXA27X_UDC_H + +#include "pxa-regs.h" + +#ifdef _ASM_ARCH_PXA25X_UDC_H +#error You cannot include both PXA25x and PXA27x UDC support +#endif + +#define UDCCR __REG(0x40600000) /* UDC Control Register */ +#define UDCCR_OEN (1 << 31) /* On-the-Go Enable */ +#define UDCCR_AALTHNP (1 << 30) /* A-device Alternate Host Negotiation + Protocol Port Support */ +#define UDCCR_AHNP (1 << 29) /* A-device Host Negotiation Protocol + Support */ +#define UDCCR_BHNP (1 << 28) /* B-device Host Negotiation Protocol + Enable */ +#define UDCCR_DWRE (1 << 16) /* Device Remote Wake-up Enable */ +#define UDCCR_ACN (0x03 << 11) /* Active UDC configuration Number */ +#define UDCCR_ACN_S 11 +#define UDCCR_AIN (0x07 << 8) /* Active UDC interface Number */ +#define UDCCR_AIN_S 8 +#define UDCCR_AAISN (0x07 << 5) /* Active UDC Alternate Interface + Setting Number */ +#define UDCCR_AAISN_S 5 +#define UDCCR_SMAC (1 << 4) /* Switch Endpoint Memory to Active + Configuration */ +#define UDCCR_EMCE (1 << 3) /* Endpoint Memory Configuration + Error */ +#define UDCCR_UDR (1 << 2) /* UDC Resume */ +#define UDCCR_UDA (1 << 1) /* UDC Active */ +#define UDCCR_UDE (1 << 0) /* UDC Enable */ + +#define UDCICR0 __REG(0x40600004) /* UDC Interrupt Control Register0 */ +#define UDCICR1 __REG(0x40600008) /* UDC Interrupt Control Register1 */ +#define UDCICR_FIFOERR (1 << 1) /* FIFO Error interrupt for EP */ +#define UDCICR_PKTCOMPL (1 << 0) /* Packet Complete interrupt for EP */ + +#define UDC_INT_FIFOERROR (0x2) +#define UDC_INT_PACKETCMP (0x1) + +#define UDCICR_INT(n,intr) (((intr) & 0x03) << (((n) & 0x0F) * 2)) +#define UDCICR1_IECC (1 << 31) /* IntEn - Configuration Change */ +#define UDCICR1_IESOF (1 << 30) /* IntEn - Start of Frame */ +#define UDCICR1_IERU (1 << 29) /* IntEn - Resume */ +#define UDCICR1_IESU (1 << 28) /* IntEn - Suspend */ +#define UDCICR1_IERS (1 << 27) /* IntEn - Reset */ + +#define UDCISR0 __REG(0x4060000C) /* UDC Interrupt Status Register 0 */ +#define UDCISR1 __REG(0x40600010) /* UDC Interrupt Status Register 1 */ +#define UDCISR_INT(n,intr) (((intr) & 0x03) << (((n) & 0x0F) * 2)) +#define UDCISR1_IRCC (1 << 31) /* IntReq - Configuration Change */ +#define UDCISR1_IRSOF (1 << 30) /* IntReq - Start of Frame */ +#define UDCISR1_IRRU (1 << 29) /* IntReq - Resume */ +#define UDCISR1_IRSU (1 << 28) /* IntReq - Suspend */ +#define UDCISR1_IRRS (1 << 27) /* IntReq - Reset */ + +#define UDCFNR __REG(0x40600014) /* UDC Frame Number Register */ +#define UDCOTGICR __REG(0x40600018) /* UDC On-The-Go interrupt control */ +#define UDCOTGICR_IESF (1 << 24) /* OTG SET_FEATURE command recvd */ +#define UDCOTGICR_IEXR (1 << 17) /* Extra Transceiver Interrupt + Rising Edge Interrupt Enable */ +#define UDCOTGICR_IEXF (1 << 16) /* Extra Transceiver Interrupt + Falling Edge Interrupt Enable */ +#define UDCOTGICR_IEVV40R (1 << 9) /* OTG Vbus Valid 4.0V Rising Edge + Interrupt Enable */ +#define UDCOTGICR_IEVV40F (1 << 8) /* OTG Vbus Valid 4.0V Falling Edge + Interrupt Enable */ +#define UDCOTGICR_IEVV44R (1 << 7) /* OTG Vbus Valid 4.4V Rising Edge + Interrupt Enable */ +#define UDCOTGICR_IEVV44F (1 << 6) /* OTG Vbus Valid 4.4V Falling Edge + Interrupt Enable */ +#define UDCOTGICR_IESVR (1 << 5) /* OTG Session Valid Rising Edge + Interrupt Enable */ +#define UDCOTGICR_IESVF (1 << 4) /* OTG Session Valid Falling Edge + Interrupt Enable */ +#define UDCOTGICR_IESDR (1 << 3) /* OTG A-Device SRP Detect Rising + Edge Interrupt Enable */ +#define UDCOTGICR_IESDF (1 << 2) /* OTG A-Device SRP Detect Falling + Edge Interrupt Enable */ +#define UDCOTGICR_IEIDR (1 << 1) /* OTG ID Change Rising Edge + Interrupt Enable */ +#define UDCOTGICR_IEIDF (1 << 0) /* OTG ID Change Falling Edge + Interrupt Enable */ + +#define UP2OCR __REG(0x40600020) /* USB Port 2 Output Control register */ +#define UP3OCR __REG(0x40600024) /* USB Port 2 Output Control register */ + +#define UP2OCR_CPVEN (1 << 0) /* Charge Pump Vbus Enable */ +#define UP2OCR_CPVPE (1 << 1) /* Charge Pump Vbus Pulse Enable */ +#define UP2OCR_DPPDE (1 << 2) /* Host Port 2 Transceiver D+ Pull Down Enable */ +#define UP2OCR_DMPDE (1 << 3) /* Host Port 2 Transceiver D- Pull Down Enable */ +#define UP2OCR_DPPUE (1 << 4) /* Host Port 2 Transceiver D+ Pull Up Enable */ +#define UP2OCR_DMPUE (1 << 5) /* Host Port 2 Transceiver D- Pull Up Enable */ +#define UP2OCR_DPPUBE (1 << 6) /* Host Port 2 Transceiver D+ Pull Up Bypass Enable */ +#define UP2OCR_DMPUBE (1 << 7) /* Host Port 2 Transceiver D- Pull Up Bypass Enable */ +#define UP2OCR_EXSP (1 << 8) /* External Transceiver Speed Control */ +#define UP2OCR_EXSUS (1 << 9) /* External Transceiver Speed Enable */ +#define UP2OCR_IDON (1 << 10) /* OTG ID Read Enable */ +#define UP2OCR_HXS (1 << 16) /* Host Port 2 Transceiver Output Select */ +#define UP2OCR_HXOE (1 << 17) /* Host Port 2 Transceiver Output Enable */ +#define UP2OCR_SEOS(x) ((x & 7) << 24) /* Single-Ended Output Select */ + +#define UDCCSN(x) __REG2(0x40600100, (x) << 2) +#define UDCCSR0 __REG(0x40600100) /* UDC Control/Status register - Endpoint 0 */ +#define UDCCSR0_SA (1 << 7) /* Setup Active */ +#define UDCCSR0_RNE (1 << 6) /* Receive FIFO Not Empty */ +#define UDCCSR0_FST (1 << 5) /* Force Stall */ +#define UDCCSR0_SST (1 << 4) /* Sent Stall */ +#define UDCCSR0_DME (1 << 3) /* DMA Enable */ +#define UDCCSR0_FTF (1 << 2) /* Flush Transmit FIFO */ +#define UDCCSR0_IPR (1 << 1) /* IN Packet Ready */ +#define UDCCSR0_OPC (1 << 0) /* OUT Packet Complete */ + +#define UDCCSRA __REG(0x40600104) /* UDC Control/Status register - Endpoint A */ +#define UDCCSRB __REG(0x40600108) /* UDC Control/Status register - Endpoint B */ +#define UDCCSRC __REG(0x4060010C) /* UDC Control/Status register - Endpoint C */ +#define UDCCSRD __REG(0x40600110) /* UDC Control/Status register - Endpoint D */ +#define UDCCSRE __REG(0x40600114) /* UDC Control/Status register - Endpoint E */ +#define UDCCSRF __REG(0x40600118) /* UDC Control/Status register - Endpoint F */ +#define UDCCSRG __REG(0x4060011C) /* UDC Control/Status register - Endpoint G */ +#define UDCCSRH __REG(0x40600120) /* UDC Control/Status register - Endpoint H */ +#define UDCCSRI __REG(0x40600124) /* UDC Control/Status register - Endpoint I */ +#define UDCCSRJ __REG(0x40600128) /* UDC Control/Status register - Endpoint J */ +#define UDCCSRK __REG(0x4060012C) /* UDC Control/Status register - Endpoint K */ +#define UDCCSRL __REG(0x40600130) /* UDC Control/Status register - Endpoint L */ +#define UDCCSRM __REG(0x40600134) /* UDC Control/Status register - Endpoint M */ +#define UDCCSRN __REG(0x40600138) /* UDC Control/Status register - Endpoint N */ +#define UDCCSRP __REG(0x4060013C) /* UDC Control/Status register - Endpoint P */ +#define UDCCSRQ __REG(0x40600140) /* UDC Control/Status register - Endpoint Q */ +#define UDCCSRR __REG(0x40600144) /* UDC Control/Status register - Endpoint R */ +#define UDCCSRS __REG(0x40600148) /* UDC Control/Status register - Endpoint S */ +#define UDCCSRT __REG(0x4060014C) /* UDC Control/Status register - Endpoint T */ +#define UDCCSRU __REG(0x40600150) /* UDC Control/Status register - Endpoint U */ +#define UDCCSRV __REG(0x40600154) /* UDC Control/Status register - Endpoint V */ +#define UDCCSRW __REG(0x40600158) /* UDC Control/Status register - Endpoint W */ +#define UDCCSRX __REG(0x4060015C) /* UDC Control/Status register - Endpoint X */ + +#define UDCCSR_DPE (1 << 9) /* Data Packet Error */ +#define UDCCSR_FEF (1 << 8) /* Flush Endpoint FIFO */ +#define UDCCSR_SP (1 << 7) /* Short Packet Control/Status */ +#define UDCCSR_BNE (1 << 6) /* Buffer Not Empty (IN endpoints) */ +#define UDCCSR_BNF (1 << 6) /* Buffer Not Full (OUT endpoints) */ +#define UDCCSR_FST (1 << 5) /* Force STALL */ +#define UDCCSR_SST (1 << 4) /* Sent STALL */ +#define UDCCSR_DME (1 << 3) /* DMA Enable */ +#define UDCCSR_TRN (1 << 2) /* Tx/Rx NAK */ +#define UDCCSR_PC (1 << 1) /* Packet Complete */ +#define UDCCSR_FS (1 << 0) /* FIFO needs service */ + +#define UDCBCN(x) __REG2(0x40600200, (x)<<2) +#define UDCBCR0 __REG(0x40600200) /* Byte Count Register - EP0 */ +#define UDCBCRA __REG(0x40600204) /* Byte Count Register - EPA */ +#define UDCBCRB __REG(0x40600208) /* Byte Count Register - EPB */ +#define UDCBCRC __REG(0x4060020C) /* Byte Count Register - EPC */ +#define UDCBCRD __REG(0x40600210) /* Byte Count Register - EPD */ +#define UDCBCRE __REG(0x40600214) /* Byte Count Register - EPE */ +#define UDCBCRF __REG(0x40600218) /* Byte Count Register - EPF */ +#define UDCBCRG __REG(0x4060021C) /* Byte Count Register - EPG */ +#define UDCBCRH __REG(0x40600220) /* Byte Count Register - EPH */ +#define UDCBCRI __REG(0x40600224) /* Byte Count Register - EPI */ +#define UDCBCRJ __REG(0x40600228) /* Byte Count Register - EPJ */ +#define UDCBCRK __REG(0x4060022C) /* Byte Count Register - EPK */ +#define UDCBCRL __REG(0x40600230) /* Byte Count Register - EPL */ +#define UDCBCRM __REG(0x40600234) /* Byte Count Register - EPM */ +#define UDCBCRN __REG(0x40600238) /* Byte Count Register - EPN */ +#define UDCBCRP __REG(0x4060023C) /* Byte Count Register - EPP */ +#define UDCBCRQ __REG(0x40600240) /* Byte Count Register - EPQ */ +#define UDCBCRR __REG(0x40600244) /* Byte Count Register - EPR */ +#define UDCBCRS __REG(0x40600248) /* Byte Count Register - EPS */ +#define UDCBCRT __REG(0x4060024C) /* Byte Count Register - EPT */ +#define UDCBCRU __REG(0x40600250) /* Byte Count Register - EPU */ +#define UDCBCRV __REG(0x40600254) /* Byte Count Register - EPV */ +#define UDCBCRW __REG(0x40600258) /* Byte Count Register - EPW */ +#define UDCBCRX __REG(0x4060025C) /* Byte Count Register - EPX */ + +#define UDCDN(x) __REG2(0x40600300, (x)<<2) +#define PHYS_UDCDN(x) (0x40600300 + ((x)<<2)) +#define PUDCDN(x) (volatile u32 *)(io_p2v(PHYS_UDCDN((x)))) +#define UDCDR0 __REG(0x40600300) /* Data Register - EP0 */ +#define UDCDRA __REG(0x40600304) /* Data Register - EPA */ +#define UDCDRB __REG(0x40600308) /* Data Register - EPB */ +#define UDCDRC __REG(0x4060030C) /* Data Register - EPC */ +#define UDCDRD __REG(0x40600310) /* Data Register - EPD */ +#define UDCDRE __REG(0x40600314) /* Data Register - EPE */ +#define UDCDRF __REG(0x40600318) /* Data Register - EPF */ +#define UDCDRG __REG(0x4060031C) /* Data Register - EPG */ +#define UDCDRH __REG(0x40600320) /* Data Register - EPH */ +#define UDCDRI __REG(0x40600324) /* Data Register - EPI */ +#define UDCDRJ __REG(0x40600328) /* Data Register - EPJ */ +#define UDCDRK __REG(0x4060032C) /* Data Register - EPK */ +#define UDCDRL __REG(0x40600330) /* Data Register - EPL */ +#define UDCDRM __REG(0x40600334) /* Data Register - EPM */ +#define UDCDRN __REG(0x40600338) /* Data Register - EPN */ +#define UDCDRP __REG(0x4060033C) /* Data Register - EPP */ +#define UDCDRQ __REG(0x40600340) /* Data Register - EPQ */ +#define UDCDRR __REG(0x40600344) /* Data Register - EPR */ +#define UDCDRS __REG(0x40600348) /* Data Register - EPS */ +#define UDCDRT __REG(0x4060034C) /* Data Register - EPT */ +#define UDCDRU __REG(0x40600350) /* Data Register - EPU */ +#define UDCDRV __REG(0x40600354) /* Data Register - EPV */ +#define UDCDRW __REG(0x40600358) /* Data Register - EPW */ +#define UDCDRX __REG(0x4060035C) /* Data Register - EPX */ + +#define UDCCN(x) __REG2(0x40600400, (x)<<2) +#define UDCCRA __REG(0x40600404) /* Configuration register EPA */ +#define UDCCRB __REG(0x40600408) /* Configuration register EPB */ +#define UDCCRC __REG(0x4060040C) /* Configuration register EPC */ +#define UDCCRD __REG(0x40600410) /* Configuration register EPD */ +#define UDCCRE __REG(0x40600414) /* Configuration register EPE */ +#define UDCCRF __REG(0x40600418) /* Configuration register EPF */ +#define UDCCRG __REG(0x4060041C) /* Configuration register EPG */ +#define UDCCRH __REG(0x40600420) /* Configuration register EPH */ +#define UDCCRI __REG(0x40600424) /* Configuration register EPI */ +#define UDCCRJ __REG(0x40600428) /* Configuration register EPJ */ +#define UDCCRK __REG(0x4060042C) /* Configuration register EPK */ +#define UDCCRL __REG(0x40600430) /* Configuration register EPL */ +#define UDCCRM __REG(0x40600434) /* Configuration register EPM */ +#define UDCCRN __REG(0x40600438) /* Configuration register EPN */ +#define UDCCRP __REG(0x4060043C) /* Configuration register EPP */ +#define UDCCRQ __REG(0x40600440) /* Configuration register EPQ */ +#define UDCCRR __REG(0x40600444) /* Configuration register EPR */ +#define UDCCRS __REG(0x40600448) /* Configuration register EPS */ +#define UDCCRT __REG(0x4060044C) /* Configuration register EPT */ +#define UDCCRU __REG(0x40600450) /* Configuration register EPU */ +#define UDCCRV __REG(0x40600454) /* Configuration register EPV */ +#define UDCCRW __REG(0x40600458) /* Configuration register EPW */ +#define UDCCRX __REG(0x4060045C) /* Configuration register EPX */ + +#define UDCCONR_CN (0x03 << 25) /* Configuration Number */ +#define UDCCONR_CN_S (25) +#define UDCCONR_IN (0x07 << 22) /* Interface Number */ +#define UDCCONR_IN_S (22) +#define UDCCONR_AISN (0x07 << 19) /* Alternate Interface Number */ +#define UDCCONR_AISN_S (19) +#define UDCCONR_EN (0x0f << 15) /* Endpoint Number */ +#define UDCCONR_EN_S (15) +#define UDCCONR_ET (0x03 << 13) /* Endpoint Type: */ +#define UDCCONR_ET_S (13) +#define UDCCONR_ET_INT (0x03 << 13) /* Interrupt */ +#define UDCCONR_ET_BULK (0x02 << 13) /* Bulk */ +#define UDCCONR_ET_ISO (0x01 << 13) /* Isochronous */ +#define UDCCONR_ET_NU (0x00 << 13) /* Not used */ +#define UDCCONR_ED (1 << 12) /* Endpoint Direction */ +#define UDCCONR_MPS (0x3ff << 2) /* Maximum Packet Size */ +#define UDCCONR_MPS_S (2) +#define UDCCONR_DE (1 << 1) /* Double Buffering Enable */ +#define UDCCONR_EE (1 << 0) /* Endpoint Enable */ + + +#define UDC_INT_FIFOERROR (0x2) +#define UDC_INT_PACKETCMP (0x1) + +#define UDC_FNR_MASK (0x7ff) + +#define UDCCSR_WR_MASK (UDCCSR_DME|UDCCSR_FST) +#define UDC_BCR_MASK (0x3ff) + +#endif diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c new file mode 100644 index 0000000000..d71491e2e1 --- /dev/null +++ b/arch/arm/mach-pxa/pxa27x.c @@ -0,0 +1,359 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa27x.c + * + * Author: Nicolas Pitre + * Created: Nov 05, 2002 + * Copyright: MontaVista Software Inc. + * + * Code specific to PXA27x aka Bulverde. + */ +#include <linux/dmaengine.h> +#include <linux/dma/pxa-dma.h> +#include <linux/gpio.h> +#include <linux/gpio-pxa.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irqchip.h> +#include <linux/suspend.h> +#include <linux/platform_device.h> +#include <linux/syscore_ops.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/platform_data/i2c-pxa.h> +#include <linux/platform_data/mmp_dma.h> +#include <linux/soc/pxa/cpu.h> +#include <linux/soc/pxa/smemc.h> + +#include <asm/mach/map.h> +#include <asm/irq.h> +#include <asm/suspend.h> +#include "irqs.h" +#include "pxa27x.h" +#include "reset.h" +#include <linux/platform_data/pxa2xx_udc.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/asoc-pxa.h> +#include "pm.h" +#include "addr-map.h" +#include "smemc.h" + +#include "generic.h" +#include "devices.h" +#include <linux/clk-provider.h> +#include <linux/clkdev.h> + +void pxa27x_clear_otgph(void) +{ + if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH)) + PSSR |= PSSR_OTGPH; +} +EXPORT_SYMBOL(pxa27x_clear_otgph); + +static unsigned long ac97_reset_config[] = { + GPIO113_AC97_nRESET_GPIO_HIGH, + GPIO113_AC97_nRESET, + GPIO95_AC97_nRESET_GPIO_HIGH, + GPIO95_AC97_nRESET, +}; + +void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio) +{ + /* + * This helper function is used to work around a bug in the pxa27x's + * ac97 controller during a warm reset. The configuration of the + * reset_gpio is changed as follows: + * to_gpio == true: configured to generic output gpio and driven high + * to_gpio == false: configured to ac97 controller alt fn AC97_nRESET + */ + + if (reset_gpio == 113) + pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[0] : + &ac97_reset_config[1], 1); + + if (reset_gpio == 95) + pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[2] : + &ac97_reset_config[3], 1); +} +EXPORT_SYMBOL_GPL(pxa27x_configure_ac97reset); + +#ifdef CONFIG_PM + +#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x +#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] + +/* + * allow platforms to override default PWRMODE setting used for PM_SUSPEND_MEM + */ +static unsigned int pwrmode = PWRMODE_SLEEP; + +/* + * List of global PXA peripheral registers to preserve. + * More ones like CP and general purpose register values are preserved + * with the stack pointer in sleep.S. + */ +enum { + SLEEP_SAVE_PSTR, + SLEEP_SAVE_MDREFR, + SLEEP_SAVE_PCFR, + SLEEP_SAVE_COUNT +}; + +static void pxa27x_cpu_pm_save(unsigned long *sleep_save) +{ + sleep_save[SLEEP_SAVE_MDREFR] = __raw_readl(MDREFR); + SAVE(PCFR); + + SAVE(PSTR); +} + +static void pxa27x_cpu_pm_restore(unsigned long *sleep_save) +{ + __raw_writel(sleep_save[SLEEP_SAVE_MDREFR], MDREFR); + RESTORE(PCFR); + + PSSR = PSSR_RDH | PSSR_PH; + + RESTORE(PSTR); +} + +static void pxa27x_cpu_pm_enter(suspend_state_t state) +{ + extern void pxa_cpu_standby(void); +#ifndef CONFIG_IWMMXT + u64 acc0; + +#ifndef CONFIG_AS_IS_LLVM + asm volatile(".arch_extension xscale\n\t" + "mra %Q0, %R0, acc0" : "=r" (acc0)); +#else + asm volatile("mrrc p0, 0, %Q0, %R0, c0" : "=r" (acc0)); +#endif +#endif + + /* ensure voltage-change sequencer not initiated, which hangs */ + PCFR &= ~PCFR_FVC; + + /* Clear edge-detect status register. */ + PEDR = 0xDF12FE1B; + + /* Clear reset status */ + RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; + + switch (state) { + case PM_SUSPEND_STANDBY: + pxa_cpu_standby(); + break; + case PM_SUSPEND_MEM: + cpu_suspend(pwrmode, pxa27x_finish_suspend); +#ifndef CONFIG_IWMMXT +#ifndef CONFIG_AS_IS_LLVM + asm volatile(".arch_extension xscale\n\t" + "mar acc0, %Q0, %R0" : "=r" (acc0)); +#else + asm volatile("mcrr p0, 0, %Q0, %R0, c0" :: "r" (acc0)); +#endif +#endif + break; + } +} + +static int pxa27x_cpu_pm_valid(suspend_state_t state) +{ + return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY; +} + +static int pxa27x_cpu_pm_prepare(void) +{ + /* set resume return address */ + PSPR = __pa_symbol(cpu_resume); + return 0; +} + +static void pxa27x_cpu_pm_finish(void) +{ + /* ensure not to come back here if it wasn't intended */ + PSPR = 0; +} + +static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = { + .save_count = SLEEP_SAVE_COUNT, + .save = pxa27x_cpu_pm_save, + .restore = pxa27x_cpu_pm_restore, + .valid = pxa27x_cpu_pm_valid, + .enter = pxa27x_cpu_pm_enter, + .prepare = pxa27x_cpu_pm_prepare, + .finish = pxa27x_cpu_pm_finish, +}; + +static void __init pxa27x_init_pm(void) +{ + pxa_cpu_pm_fns = &pxa27x_cpu_pm_fns; +} +#else +static inline void pxa27x_init_pm(void) {} +#endif + +/* PXA27x: Various gpios can issue wakeup events. This logic only + * handles the simple cases, not the WEMUX2 and WEMUX3 options + */ +static int pxa27x_set_wake(struct irq_data *d, unsigned int on) +{ + int gpio = pxa_irq_to_gpio(d->irq); + uint32_t mask; + + if (gpio >= 0 && gpio < 128) + return gpio_set_wake(gpio, on); + + if (d->irq == IRQ_KEYPAD) + return keypad_set_wake(on); + + switch (d->irq) { + case IRQ_RTCAlrm: + mask = PWER_RTC; + break; + case IRQ_USB: + mask = 1u << 26; + break; + default: + return -EINVAL; + } + + if (on) + PWER |= mask; + else + PWER &=~mask; + + return 0; +} + +void __init pxa27x_init_irq(void) +{ + pxa_init_irq(34, pxa27x_set_wake); + set_handle_irq(pxa27x_handle_irq); +} + +static int __init +pxa27x_dt_init_irq(struct device_node *node, struct device_node *parent) +{ + pxa_dt_irq_init(pxa27x_set_wake); + set_handle_irq(ichp_handle_irq); + + return 0; +} +IRQCHIP_DECLARE(pxa27x_intc, "marvell,pxa-intc", pxa27x_dt_init_irq); + +static struct map_desc pxa27x_io_desc[] __initdata = { + { /* Mem Ctl */ + .virtual = (unsigned long)SMEMC_VIRT, + .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE), + .length = SMEMC_SIZE, + .type = MT_DEVICE + }, { /* UNCACHED_PHYS_0 */ + .virtual = UNCACHED_PHYS_0, + .pfn = __phys_to_pfn(0x00000000), + .length = UNCACHED_PHYS_0_SIZE, + .type = MT_DEVICE + }, +}; + +void __init pxa27x_map_io(void) +{ + pxa_map_io(); + iotable_init(ARRAY_AND_SIZE(pxa27x_io_desc)); + pxa27x_get_clk_frequency_khz(1); +} + +/* + * device registration specific to PXA27x. + */ +void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) +{ + local_irq_disable(); + PCFR |= PCFR_PI2CEN; + local_irq_enable(); + pxa_register_device(&pxa27x_device_i2c_power, info); +} + +static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = { + .irq_base = PXA_GPIO_TO_IRQ(0), + .gpio_set_wake = gpio_set_wake, +}; + +static struct platform_device *devices[] __initdata = { + &pxa27x_device_udc, + &pxa_device_pmu, + &pxa_device_i2s, + &pxa_device_asoc_ssp1, + &pxa_device_asoc_ssp2, + &pxa_device_asoc_ssp3, + &pxa_device_asoc_platform, + &pxa_device_rtc, + &pxa27x_device_ssp1, + &pxa27x_device_ssp2, + &pxa27x_device_ssp3, + &pxa27x_device_pwm0, + &pxa27x_device_pwm1, +}; + +static const struct dma_slave_map pxa27x_slave_map[] = { + /* PXA25x, PXA27x and PXA3xx common entries */ + { "pxa2xx-ac97", "pcm_pcm_mic_mono", PDMA_FILTER_PARAM(LOWEST, 8) }, + { "pxa2xx-ac97", "pcm_pcm_aux_mono_in", PDMA_FILTER_PARAM(LOWEST, 9) }, + { "pxa2xx-ac97", "pcm_pcm_aux_mono_out", + PDMA_FILTER_PARAM(LOWEST, 10) }, + { "pxa2xx-ac97", "pcm_pcm_stereo_in", PDMA_FILTER_PARAM(LOWEST, 11) }, + { "pxa2xx-ac97", "pcm_pcm_stereo_out", PDMA_FILTER_PARAM(LOWEST, 12) }, + { "pxa-ssp-dai.0", "rx", PDMA_FILTER_PARAM(LOWEST, 13) }, + { "pxa-ssp-dai.0", "tx", PDMA_FILTER_PARAM(LOWEST, 14) }, + { "pxa-ssp-dai.1", "rx", PDMA_FILTER_PARAM(LOWEST, 15) }, + { "pxa-ssp-dai.1", "tx", PDMA_FILTER_PARAM(LOWEST, 16) }, + { "pxa2xx-ir", "rx", PDMA_FILTER_PARAM(LOWEST, 17) }, + { "pxa2xx-ir", "tx", PDMA_FILTER_PARAM(LOWEST, 18) }, + { "pxa2xx-mci.0", "rx", PDMA_FILTER_PARAM(LOWEST, 21) }, + { "pxa2xx-mci.0", "tx", PDMA_FILTER_PARAM(LOWEST, 22) }, + { "pxa-ssp-dai.2", "rx", PDMA_FILTER_PARAM(LOWEST, 66) }, + { "pxa-ssp-dai.2", "tx", PDMA_FILTER_PARAM(LOWEST, 67) }, + + /* PXA27x specific map */ + { "pxa2xx-i2s", "rx", PDMA_FILTER_PARAM(LOWEST, 2) }, + { "pxa2xx-i2s", "tx", PDMA_FILTER_PARAM(LOWEST, 3) }, + { "pxa27x-camera.0", "CI_Y", PDMA_FILTER_PARAM(HIGHEST, 68) }, + { "pxa27x-camera.0", "CI_U", PDMA_FILTER_PARAM(HIGHEST, 69) }, + { "pxa27x-camera.0", "CI_V", PDMA_FILTER_PARAM(HIGHEST, 70) }, +}; + +static struct mmp_dma_platdata pxa27x_dma_pdata = { + .dma_channels = 32, + .nb_requestors = 75, + .slave_map = pxa27x_slave_map, + .slave_map_cnt = ARRAY_SIZE(pxa27x_slave_map), +}; + +static int __init pxa27x_init(void) +{ + int ret = 0; + + if (cpu_is_pxa27x()) { + + pxa_register_wdt(RCSR); + + pxa27x_init_pm(); + + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa2xx_mfp_syscore_ops); + + if (!of_have_populated_dt()) { + pxa_register_device(&pxa27x_device_gpio, + &pxa27x_gpio_info); + pxa2xx_set_dmac_info(&pxa27x_dma_pdata); + ret = platform_add_devices(devices, + ARRAY_SIZE(devices)); + } + } + + return ret; +} + +postcore_initcall(pxa27x_init); diff --git a/arch/arm/mach-pxa/pxa27x.h b/arch/arm/mach-pxa/pxa27x.h new file mode 100644 index 0000000000..c9d9948ae7 --- /dev/null +++ b/arch/arm/mach-pxa/pxa27x.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MACH_PXA27x_H +#define __MACH_PXA27x_H + +#include <linux/suspend.h> +#include "addr-map.h" +#include "pxa2xx-regs.h" +#include "mfp-pxa27x.h" +#include "irqs.h" + +#define ARB_CNTRL __REG(0x48000048) /* Arbiter Control Register */ + +#define ARB_DMA_SLV_PARK (1<<31) /* Be parked with DMA slave when idle */ +#define ARB_CI_PARK (1<<30) /* Be parked with Camera Interface when idle */ +#define ARB_EX_MEM_PARK (1<<29) /* Be parked with external MEMC when idle */ +#define ARB_INT_MEM_PARK (1<<28) /* Be parked with internal MEMC when idle */ +#define ARB_USB_PARK (1<<27) /* Be parked with USB when idle */ +#define ARB_LCD_PARK (1<<26) /* Be parked with LCD when idle */ +#define ARB_DMA_PARK (1<<25) /* Be parked with DMA when idle */ +#define ARB_CORE_PARK (1<<24) /* Be parked with core when idle */ +#define ARB_LOCK_FLAG (1<<23) /* Only Locking masters gain access to the bus */ + +#endif /* __MACH_PXA27x_H */ diff --git a/arch/arm/mach-pxa/pxa2xx-regs.h b/arch/arm/mach-pxa/pxa2xx-regs.h new file mode 100644 index 0000000000..0b7eaf6b58 --- /dev/null +++ b/arch/arm/mach-pxa/pxa2xx-regs.h @@ -0,0 +1,149 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/pxa2xx-regs.h + * + * Taken from pxa-regs.h by Russell King + * + * Author: Nicolas Pitre + * Copyright: MontaVista Software Inc. + */ + +#ifndef __PXA2XX_REGS_H +#define __PXA2XX_REGS_H + +#include "pxa-regs.h" + +/* + * Power Manager + */ + +#define PMCR __REG(0x40F00000) /* Power Manager Control Register */ +#define PSSR __REG(0x40F00004) /* Power Manager Sleep Status Register */ +#define PSPR __REG(0x40F00008) /* Power Manager Scratch Pad Register */ +#define PWER __REG(0x40F0000C) /* Power Manager Wake-up Enable Register */ +#define PRER __REG(0x40F00010) /* Power Manager GPIO Rising-Edge Detect Enable Register */ +#define PFER __REG(0x40F00014) /* Power Manager GPIO Falling-Edge Detect Enable Register */ +#define PEDR __REG(0x40F00018) /* Power Manager GPIO Edge Detect Status Register */ +#define PCFR __REG(0x40F0001C) /* Power Manager General Configuration Register */ +#define PGSR0 __REG(0x40F00020) /* Power Manager GPIO Sleep State Register for GP[31-0] */ +#define PGSR1 __REG(0x40F00024) /* Power Manager GPIO Sleep State Register for GP[63-32] */ +#define PGSR2 __REG(0x40F00028) /* Power Manager GPIO Sleep State Register for GP[84-64] */ +#define PGSR3 __REG(0x40F0002C) /* Power Manager GPIO Sleep State Register for GP[118-96] */ +#define RCSR __REG(0x40F00030) /* Reset Controller Status Register */ + +#define PSLR __REG(0x40F00034) /* Power Manager Sleep Config Register */ +#define PSTR __REG(0x40F00038) /* Power Manager Standby Config Register */ +#define PSNR __REG(0x40F0003C) /* Power Manager Sense Config Register */ +#define PVCR __REG(0x40F00040) /* Power Manager VoltageControl Register */ +#define PKWR __REG(0x40F00050) /* Power Manager KB Wake-up Enable Reg */ +#define PKSR __REG(0x40F00054) /* Power Manager KB Level-Detect Register */ +#define PCMD(x) __REG2(0x40F00080, (x)<<2) +#define PCMD0 __REG(0x40F00080 + 0 * 4) +#define PCMD1 __REG(0x40F00080 + 1 * 4) +#define PCMD2 __REG(0x40F00080 + 2 * 4) +#define PCMD3 __REG(0x40F00080 + 3 * 4) +#define PCMD4 __REG(0x40F00080 + 4 * 4) +#define PCMD5 __REG(0x40F00080 + 5 * 4) +#define PCMD6 __REG(0x40F00080 + 6 * 4) +#define PCMD7 __REG(0x40F00080 + 7 * 4) +#define PCMD8 __REG(0x40F00080 + 8 * 4) +#define PCMD9 __REG(0x40F00080 + 9 * 4) +#define PCMD10 __REG(0x40F00080 + 10 * 4) +#define PCMD11 __REG(0x40F00080 + 11 * 4) +#define PCMD12 __REG(0x40F00080 + 12 * 4) +#define PCMD13 __REG(0x40F00080 + 13 * 4) +#define PCMD14 __REG(0x40F00080 + 14 * 4) +#define PCMD15 __REG(0x40F00080 + 15 * 4) +#define PCMD16 __REG(0x40F00080 + 16 * 4) +#define PCMD17 __REG(0x40F00080 + 17 * 4) +#define PCMD18 __REG(0x40F00080 + 18 * 4) +#define PCMD19 __REG(0x40F00080 + 19 * 4) +#define PCMD20 __REG(0x40F00080 + 20 * 4) +#define PCMD21 __REG(0x40F00080 + 21 * 4) +#define PCMD22 __REG(0x40F00080 + 22 * 4) +#define PCMD23 __REG(0x40F00080 + 23 * 4) +#define PCMD24 __REG(0x40F00080 + 24 * 4) +#define PCMD25 __REG(0x40F00080 + 25 * 4) +#define PCMD26 __REG(0x40F00080 + 26 * 4) +#define PCMD27 __REG(0x40F00080 + 27 * 4) +#define PCMD28 __REG(0x40F00080 + 28 * 4) +#define PCMD29 __REG(0x40F00080 + 29 * 4) +#define PCMD30 __REG(0x40F00080 + 30 * 4) +#define PCMD31 __REG(0x40F00080 + 31 * 4) + +#define PCMD_MBC (1<<12) +#define PCMD_DCE (1<<11) +#define PCMD_LC (1<<10) +/* FIXME: PCMD_SQC need be checked. */ +#define PCMD_SQC (3<<8) /* currently only bit 8 is changeable, + bit 9 should be 0 all day. */ +#define PVCR_VCSA (0x1<<14) +#define PVCR_CommandDelay (0xf80) +#define PCFR_PI2C_EN (0x1 << 6) + +#define PSSR_OTGPH (1 << 6) /* OTG Peripheral control Hold */ +#define PSSR_RDH (1 << 5) /* Read Disable Hold */ +#define PSSR_PH (1 << 4) /* Peripheral Control Hold */ +#define PSSR_STS (1 << 3) /* Standby Mode Status */ +#define PSSR_VFS (1 << 2) /* VDD Fault Status */ +#define PSSR_BFS (1 << 1) /* Battery Fault Status */ +#define PSSR_SSS (1 << 0) /* Software Sleep Status */ + +#define PSLR_SL_ROD (1 << 20) /* Sleep-Mode/Depp-Sleep Mode nRESET_OUT Disable */ + +#define PCFR_RO (1 << 15) /* RDH Override */ +#define PCFR_PO (1 << 14) /* PH Override */ +#define PCFR_GPROD (1 << 12) /* GPIO nRESET_OUT Disable */ +#define PCFR_L1_EN (1 << 11) /* Sleep Mode L1 converter Enable */ +#define PCFR_FVC (1 << 10) /* Frequency/Voltage Change */ +#define PCFR_DC_EN (1 << 7) /* Sleep/deep-sleep DC-DC Converter Enable */ +#define PCFR_PI2CEN (1 << 6) /* Enable PI2C controller */ +#define PCFR_GPR_EN (1 << 4) /* nRESET_GPIO Pin Enable */ +#define PCFR_DS (1 << 3) /* Deep Sleep Mode */ +#define PCFR_FS (1 << 2) /* Float Static Chip Selects */ +#define PCFR_FP (1 << 1) /* Float PCMCIA controls */ +#define PCFR_OPDE (1 << 0) /* 3.6864 MHz oscillator power-down enable */ + +#define RCSR_GPR (1 << 3) /* GPIO Reset */ +#define RCSR_SMR (1 << 2) /* Sleep Mode */ +#define RCSR_WDR (1 << 1) /* Watchdog Reset */ +#define RCSR_HWR (1 << 0) /* Hardware Reset */ + +#define PWER_GPIO(Nb) (1 << Nb) /* GPIO [0..15] wake-up enable */ +#define PWER_GPIO0 PWER_GPIO (0) /* GPIO [0] wake-up enable */ +#define PWER_GPIO1 PWER_GPIO (1) /* GPIO [1] wake-up enable */ +#define PWER_GPIO2 PWER_GPIO (2) /* GPIO [2] wake-up enable */ +#define PWER_GPIO3 PWER_GPIO (3) /* GPIO [3] wake-up enable */ +#define PWER_GPIO4 PWER_GPIO (4) /* GPIO [4] wake-up enable */ +#define PWER_GPIO5 PWER_GPIO (5) /* GPIO [5] wake-up enable */ +#define PWER_GPIO6 PWER_GPIO (6) /* GPIO [6] wake-up enable */ +#define PWER_GPIO7 PWER_GPIO (7) /* GPIO [7] wake-up enable */ +#define PWER_GPIO8 PWER_GPIO (8) /* GPIO [8] wake-up enable */ +#define PWER_GPIO9 PWER_GPIO (9) /* GPIO [9] wake-up enable */ +#define PWER_GPIO10 PWER_GPIO (10) /* GPIO [10] wake-up enable */ +#define PWER_GPIO11 PWER_GPIO (11) /* GPIO [11] wake-up enable */ +#define PWER_GPIO12 PWER_GPIO (12) /* GPIO [12] wake-up enable */ +#define PWER_GPIO13 PWER_GPIO (13) /* GPIO [13] wake-up enable */ +#define PWER_GPIO14 PWER_GPIO (14) /* GPIO [14] wake-up enable */ +#define PWER_GPIO15 PWER_GPIO (15) /* GPIO [15] wake-up enable */ +#define PWER_RTC 0x80000000 /* RTC alarm wake-up enable */ + +/* + * PXA2xx specific Core clock definitions + */ +#define CCCR io_p2v(0x41300000) /* Core Clock Configuration Register */ +#define CCSR io_p2v(0x4130000C) /* Core Clock Status Register */ +#define CKEN io_p2v(0x41300004) /* Clock Enable Register */ +#define OSCC io_p2v(0x41300008) /* Oscillator Configuration Register */ + +#define OSCC_OON (1 << 1) /* 32.768kHz OON (write-once only bit) */ +#define OSCC_OOK (1 << 0) /* 32.768kHz OOK (read-only bit) */ + +/* PWRMODE register M field values */ + +#define PWRMODE_IDLE 0x1 +#define PWRMODE_STANDBY 0x2 +#define PWRMODE_SLEEP 0x3 +#define PWRMODE_DEEPSLEEP 0x7 + +#endif diff --git a/arch/arm/mach-pxa/pxa2xx.c b/arch/arm/mach-pxa/pxa2xx.c new file mode 100644 index 0000000000..35c23a5d73 --- /dev/null +++ b/arch/arm/mach-pxa/pxa2xx.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa2xx.c + * + * code specific to pxa2xx + * + * Copyright (C) 2008 Dmitry Baryshkov + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/io.h> + +#include "pxa2xx-regs.h" +#include "mfp-pxa25x.h" +#include "generic.h" +#include "reset.h" +#include "smemc.h" +#include <linux/soc/pxa/smemc.h> + +void pxa2xx_clear_reset_status(unsigned int mask) +{ + /* RESET_STATUS_* has a 1:1 mapping with RCSR */ + RCSR = mask; +} + +#define MDCNFG_DRAC2(mdcnfg) (((mdcnfg) >> 21) & 0x3) +#define MDCNFG_DRAC0(mdcnfg) (((mdcnfg) >> 5) & 0x3) + +int pxa2xx_smemc_get_sdram_rows(void) +{ + static int sdram_rows; + unsigned int drac2 = 0, drac0 = 0; + u32 mdcnfg; + + if (sdram_rows) + return sdram_rows; + + mdcnfg = readl_relaxed(MDCNFG); + + if (mdcnfg & (MDCNFG_DE2 | MDCNFG_DE3)) + drac2 = MDCNFG_DRAC2(mdcnfg); + + if (mdcnfg & (MDCNFG_DE0 | MDCNFG_DE1)) + drac0 = MDCNFG_DRAC0(mdcnfg); + + sdram_rows = 1 << (11 + max(drac0, drac2)); + return sdram_rows; +} diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c new file mode 100644 index 0000000000..f77ec118d5 --- /dev/null +++ b/arch/arm/mach-pxa/pxa300.c @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa300.c + * + * Code specific to PXA300/PXA310 + * + * Copyright (C) 2007 Marvell Internation Ltd. + * + * 2007-08-21: eric miao <eric.miao@marvell.com> + * initial version + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/soc/pxa/cpu.h> + +#include "pxa300.h" + +#include "generic.h" +#include "devices.h" + +static struct mfp_addr_map pxa300_mfp_addr_map[] __initdata = { + + MFP_ADDR_X(GPIO0, GPIO2, 0x00b4), + MFP_ADDR_X(GPIO3, GPIO26, 0x027c), + MFP_ADDR_X(GPIO27, GPIO98, 0x0400), + MFP_ADDR_X(GPIO99, GPIO127, 0x0600), + MFP_ADDR_X(GPIO0_2, GPIO1_2, 0x0674), + MFP_ADDR_X(GPIO2_2, GPIO6_2, 0x02dc), + + MFP_ADDR(nBE0, 0x0204), + MFP_ADDR(nBE1, 0x0208), + + MFP_ADDR(nLUA, 0x0244), + MFP_ADDR(nLLA, 0x0254), + + MFP_ADDR(DF_CLE_nOE, 0x0240), + MFP_ADDR(DF_nRE_nOE, 0x0200), + MFP_ADDR(DF_ALE_nWE, 0x020C), + MFP_ADDR(DF_INT_RnB, 0x00C8), + MFP_ADDR(DF_nCS0, 0x0248), + MFP_ADDR(DF_nCS1, 0x0278), + MFP_ADDR(DF_nWE, 0x00CC), + + MFP_ADDR(DF_ADDR0, 0x0210), + MFP_ADDR(DF_ADDR1, 0x0214), + MFP_ADDR(DF_ADDR2, 0x0218), + MFP_ADDR(DF_ADDR3, 0x021C), + + MFP_ADDR(DF_IO0, 0x0220), + MFP_ADDR(DF_IO1, 0x0228), + MFP_ADDR(DF_IO2, 0x0230), + MFP_ADDR(DF_IO3, 0x0238), + MFP_ADDR(DF_IO4, 0x0258), + MFP_ADDR(DF_IO5, 0x0260), + MFP_ADDR(DF_IO6, 0x0268), + MFP_ADDR(DF_IO7, 0x0270), + MFP_ADDR(DF_IO8, 0x0224), + MFP_ADDR(DF_IO9, 0x022C), + MFP_ADDR(DF_IO10, 0x0234), + MFP_ADDR(DF_IO11, 0x023C), + MFP_ADDR(DF_IO12, 0x025C), + MFP_ADDR(DF_IO13, 0x0264), + MFP_ADDR(DF_IO14, 0x026C), + MFP_ADDR(DF_IO15, 0x0274), + + MFP_ADDR_END, +}; + +/* override pxa300 MFP register addresses */ +static struct mfp_addr_map pxa310_mfp_addr_map[] __initdata = { + MFP_ADDR_X(GPIO30, GPIO98, 0x0418), + MFP_ADDR_X(GPIO7_2, GPIO12_2, 0x052C), + + MFP_ADDR(ULPI_STP, 0x040C), + MFP_ADDR(ULPI_NXT, 0x0410), + MFP_ADDR(ULPI_DIR, 0x0414), + + MFP_ADDR_END, +}; + +static int __init pxa300_init(void) +{ + if (cpu_is_pxa300() || cpu_is_pxa310()) { + mfp_init_base(io_p2v(MFPR_BASE)); + mfp_init_addr(pxa300_mfp_addr_map); + } + + if (cpu_is_pxa310()) + mfp_init_addr(pxa310_mfp_addr_map); + + return 0; +} + +core_initcall(pxa300_init); diff --git a/arch/arm/mach-pxa/pxa300.h b/arch/arm/mach-pxa/pxa300.h new file mode 100644 index 0000000000..d02a8d15c7 --- /dev/null +++ b/arch/arm/mach-pxa/pxa300.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MACH_PXA300_H +#define __MACH_PXA300_H + +#include "pxa3xx.h" +#include "mfp-pxa300.h" + +#endif /* __MACH_PXA300_H */ diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c new file mode 100644 index 0000000000..e372e6c118 --- /dev/null +++ b/arch/arm/mach-pxa/pxa320.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa320.c + * + * Code specific to PXA320 + * + * Copyright (C) 2007 Marvell Internation Ltd. + * + * 2007-08-21: eric miao <eric.miao@marvell.com> + * initial version + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/soc/pxa/cpu.h> + +#include "pxa320.h" + +#include "generic.h" +#include "devices.h" + +static struct mfp_addr_map pxa320_mfp_addr_map[] __initdata = { + + MFP_ADDR_X(GPIO0, GPIO4, 0x0124), + MFP_ADDR_X(GPIO5, GPIO9, 0x028C), + MFP_ADDR(GPIO10, 0x0458), + MFP_ADDR_X(GPIO11, GPIO26, 0x02A0), + MFP_ADDR_X(GPIO27, GPIO48, 0x0400), + MFP_ADDR_X(GPIO49, GPIO62, 0x045C), + MFP_ADDR_X(GPIO63, GPIO73, 0x04B4), + MFP_ADDR_X(GPIO74, GPIO98, 0x04F0), + MFP_ADDR_X(GPIO99, GPIO127, 0x0600), + MFP_ADDR_X(GPIO0_2, GPIO5_2, 0x0674), + MFP_ADDR_X(GPIO6_2, GPIO13_2, 0x0494), + MFP_ADDR_X(GPIO14_2, GPIO17_2, 0x04E0), + + MFP_ADDR(nXCVREN, 0x0138), + MFP_ADDR(DF_CLE_nOE, 0x0204), + MFP_ADDR(DF_nADV1_ALE, 0x0208), + MFP_ADDR(DF_SCLK_S, 0x020C), + MFP_ADDR(DF_SCLK_E, 0x0210), + MFP_ADDR(nBE0, 0x0214), + MFP_ADDR(nBE1, 0x0218), + MFP_ADDR(DF_nADV2_ALE, 0x021C), + MFP_ADDR(DF_INT_RnB, 0x0220), + MFP_ADDR(DF_nCS0, 0x0224), + MFP_ADDR(DF_nCS1, 0x0228), + MFP_ADDR(DF_nWE, 0x022C), + MFP_ADDR(DF_nRE_nOE, 0x0230), + MFP_ADDR(nLUA, 0x0234), + MFP_ADDR(nLLA, 0x0238), + MFP_ADDR(DF_ADDR0, 0x023C), + MFP_ADDR(DF_ADDR1, 0x0240), + MFP_ADDR(DF_ADDR2, 0x0244), + MFP_ADDR(DF_ADDR3, 0x0248), + MFP_ADDR(DF_IO0, 0x024C), + MFP_ADDR(DF_IO8, 0x0250), + MFP_ADDR(DF_IO1, 0x0254), + MFP_ADDR(DF_IO9, 0x0258), + MFP_ADDR(DF_IO2, 0x025C), + MFP_ADDR(DF_IO10, 0x0260), + MFP_ADDR(DF_IO3, 0x0264), + MFP_ADDR(DF_IO11, 0x0268), + MFP_ADDR(DF_IO4, 0x026C), + MFP_ADDR(DF_IO12, 0x0270), + MFP_ADDR(DF_IO5, 0x0274), + MFP_ADDR(DF_IO13, 0x0278), + MFP_ADDR(DF_IO6, 0x027C), + MFP_ADDR(DF_IO14, 0x0280), + MFP_ADDR(DF_IO7, 0x0284), + MFP_ADDR(DF_IO15, 0x0288), + + MFP_ADDR_END, +}; + +static int __init pxa320_init(void) +{ + if (cpu_is_pxa320()) { + mfp_init_base(io_p2v(MFPR_BASE)); + mfp_init_addr(pxa320_mfp_addr_map); + } + + return 0; +} + +core_initcall(pxa320_init); diff --git a/arch/arm/mach-pxa/pxa320.h b/arch/arm/mach-pxa/pxa320.h new file mode 100644 index 0000000000..c701e3f663 --- /dev/null +++ b/arch/arm/mach-pxa/pxa320.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MACH_PXA320_H +#define __MACH_PXA320_H + +#include "pxa3xx.h" +#include "mfp-pxa320.h" + +#endif /* __MACH_PXA320_H */ + diff --git a/arch/arm/mach-pxa/pxa3xx-regs.h b/arch/arm/mach-pxa/pxa3xx-regs.h new file mode 100644 index 0000000000..4b11cf81a9 --- /dev/null +++ b/arch/arm/mach-pxa/pxa3xx-regs.h @@ -0,0 +1,134 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-pxa/include/mach/pxa3xx-regs.h + * + * PXA3xx specific register definitions + * + * Copyright (C) 2007 Marvell International Ltd. + */ + +#ifndef __ASM_ARCH_PXA3XX_REGS_H +#define __ASM_ARCH_PXA3XX_REGS_H + +#include "pxa-regs.h" + +/* + * Oscillator Configuration Register (OSCC) + */ +#define OSCC io_p2v(0x41350000) /* Oscillator Configuration Register */ + +#define OSCC_PEN (1 << 11) /* 13MHz POUT */ + + +/* + * Service Power Management Unit (MPMU) + */ +#define PMCR __REG(0x40F50000) /* Power Manager Control Register */ +#define PSR __REG(0x40F50004) /* Power Manager S2 Status Register */ +#define PSPR __REG(0x40F50008) /* Power Manager Scratch Pad Register */ +#define PCFR __REG(0x40F5000C) /* Power Manager General Configuration Register */ +#define PWER __REG(0x40F50010) /* Power Manager Wake-up Enable Register */ +#define PWSR __REG(0x40F50014) /* Power Manager Wake-up Status Register */ +#define PECR __REG(0x40F50018) /* Power Manager EXT_WAKEUP[1:0] Control Register */ +#define DCDCSR __REG(0x40F50080) /* DC-DC Controller Status Register */ +#define PVCR __REG(0x40F50100) /* Power Manager Voltage Change Control Register */ +#define PCMD(x) __REG(0x40F50110 + ((x) << 2)) + +/* + * Slave Power Management Unit + */ +#define ASCR __REG(0x40f40000) /* Application Subsystem Power Status/Configuration */ +#define ARSR __REG(0x40f40004) /* Application Subsystem Reset Status */ +#define AD3ER __REG(0x40f40008) /* Application Subsystem Wake-Up from D3 Enable */ +#define AD3SR __REG(0x40f4000c) /* Application Subsystem Wake-Up from D3 Status */ +#define AD2D0ER __REG(0x40f40010) /* Application Subsystem Wake-Up from D2 to D0 Enable */ +#define AD2D0SR __REG(0x40f40014) /* Application Subsystem Wake-Up from D2 to D0 Status */ +#define AD2D1ER __REG(0x40f40018) /* Application Subsystem Wake-Up from D2 to D1 Enable */ +#define AD2D1SR __REG(0x40f4001c) /* Application Subsystem Wake-Up from D2 to D1 Status */ +#define AD1D0ER __REG(0x40f40020) /* Application Subsystem Wake-Up from D1 to D0 Enable */ +#define AD1D0SR __REG(0x40f40024) /* Application Subsystem Wake-Up from D1 to D0 Status */ +#define AGENP __REG(0x40f4002c) /* Application Subsystem General Purpose */ +#define AD3R __REG(0x40f40030) /* Application Subsystem D3 Configuration */ +#define AD2R __REG(0x40f40034) /* Application Subsystem D2 Configuration */ +#define AD1R __REG(0x40f40038) /* Application Subsystem D1 Configuration */ + +/* + * Application Subsystem Configuration bits. + */ +#define ASCR_RDH (1 << 31) +#define ASCR_D1S (1 << 2) +#define ASCR_D2S (1 << 1) +#define ASCR_D3S (1 << 0) + +/* + * Application Reset Status bits. + */ +#define ARSR_GPR (1 << 3) +#define ARSR_LPMR (1 << 2) +#define ARSR_WDT (1 << 1) +#define ARSR_HWR (1 << 0) + +/* + * Application Subsystem Wake-Up bits. + */ +#define ADXER_WRTC (1 << 31) /* RTC */ +#define ADXER_WOST (1 << 30) /* OS Timer */ +#define ADXER_WTSI (1 << 29) /* Touchscreen */ +#define ADXER_WUSBH (1 << 28) /* USB host */ +#define ADXER_WUSB2 (1 << 26) /* USB client 2.0 */ +#define ADXER_WMSL0 (1 << 24) /* MSL port 0*/ +#define ADXER_WDMUX3 (1 << 23) /* USB EDMUX3 */ +#define ADXER_WDMUX2 (1 << 22) /* USB EDMUX2 */ +#define ADXER_WKP (1 << 21) /* Keypad */ +#define ADXER_WUSIM1 (1 << 20) /* USIM Port 1 */ +#define ADXER_WUSIM0 (1 << 19) /* USIM Port 0 */ +#define ADXER_WOTG (1 << 16) /* USBOTG input */ +#define ADXER_MFP_WFLASH (1 << 15) /* MFP: Data flash busy */ +#define ADXER_MFP_GEN12 (1 << 14) /* MFP: MMC3/GPIO/OST inputs */ +#define ADXER_MFP_WMMC2 (1 << 13) /* MFP: MMC2 */ +#define ADXER_MFP_WMMC1 (1 << 12) /* MFP: MMC1 */ +#define ADXER_MFP_WI2C (1 << 11) /* MFP: I2C */ +#define ADXER_MFP_WSSP4 (1 << 10) /* MFP: SSP4 */ +#define ADXER_MFP_WSSP3 (1 << 9) /* MFP: SSP3 */ +#define ADXER_MFP_WMAXTRIX (1 << 8) /* MFP: matrix keypad */ +#define ADXER_MFP_WUART3 (1 << 7) /* MFP: UART3 */ +#define ADXER_MFP_WUART2 (1 << 6) /* MFP: UART2 */ +#define ADXER_MFP_WUART1 (1 << 5) /* MFP: UART1 */ +#define ADXER_MFP_WSSP2 (1 << 4) /* MFP: SSP2 */ +#define ADXER_MFP_WSSP1 (1 << 3) /* MFP: SSP1 */ +#define ADXER_MFP_WAC97 (1 << 2) /* MFP: AC97 */ +#define ADXER_WEXTWAKE1 (1 << 1) /* External Wake 1 */ +#define ADXER_WEXTWAKE0 (1 << 0) /* External Wake 0 */ + +/* + * AD3R/AD2R/AD1R bits. R2-R5 are only defined for PXA320. + */ +#define ADXR_L2 (1 << 8) +#define ADXR_R5 (1 << 5) +#define ADXR_R4 (1 << 4) +#define ADXR_R3 (1 << 3) +#define ADXR_R2 (1 << 2) +#define ADXR_R1 (1 << 1) +#define ADXR_R0 (1 << 0) + +/* + * Values for PWRMODE CP15 register + */ +#define PXA3xx_PM_S3D4C4 0x07 /* aka deep sleep */ +#define PXA3xx_PM_S2D3C4 0x06 /* aka sleep */ +#define PXA3xx_PM_S0D2C2 0x03 /* aka standby */ +#define PXA3xx_PM_S0D1C2 0x02 /* aka LCD refresh */ +#define PXA3xx_PM_S0D0C1 0x01 + +/* + * Application Subsystem Clock + */ +#define ACCR __REG(0x41340000) /* Application Subsystem Clock Configuration Register */ +#define ACSR __REG(0x41340004) /* Application Subsystem Clock Status Register */ +#define AICSR __REG(0x41340008) /* Application Subsystem Interrupt Control/Status Register */ +#define CKENA __REG(0x4134000C) /* A Clock Enable Register */ +#define CKENB __REG(0x41340010) /* B Clock Enable Register */ +#define CKENC __REG(0x41340024) /* C Clock Enable Register */ +#define AC97_DIV __REG(0x41340014) /* AC97 clock divisor value register */ + +#endif /* __ASM_ARCH_PXA3XX_REGS_H */ diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c new file mode 100644 index 0000000000..1d1e571346 --- /dev/null +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -0,0 +1,434 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/pxa3xx.c + * + * code specific to pxa3xx aka Monahans + * + * Copyright (C) 2006 Marvell International Ltd. + * + * 2007-09-02: eric miao <eric.miao@marvell.com> + * initial version + */ +#include <linux/dmaengine.h> +#include <linux/dma/pxa-dma.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/gpio-pxa.h> +#include <linux/pm.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/syscore_ops.h> +#include <linux/platform_data/i2c-pxa.h> +#include <linux/platform_data/mmp_dma.h> +#include <linux/soc/pxa/cpu.h> +#include <linux/clk/pxa.h> + +#include <asm/mach/map.h> +#include <asm/suspend.h> +#include "pxa3xx-regs.h" +#include "reset.h" +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include "pm.h" +#include "addr-map.h" +#include "smemc.h" +#include "irqs.h" + +#include "generic.h" +#include "devices.h" + +#define PECR_IE(n) ((1 << ((n) * 2)) << 28) +#define PECR_IS(n) ((1 << ((n) * 2)) << 29) + +extern void __init pxa_dt_irq_init(int (*fn)(struct irq_data *, unsigned int)); + +/* + * NAND NFC: DFI bus arbitration subset + */ +#define NDCR (*(volatile u32 __iomem*)(NAND_VIRT + 0)) +#define NDCR_ND_ARB_EN (1 << 12) +#define NDCR_ND_ARB_CNTL (1 << 19) + +#define CKEN_BOOT 11 /* < Boot rom clock enable */ +#define CKEN_TPM 19 /* < TPM clock enable */ +#define CKEN_HSIO2 41 /* < HSIO2 clock enable */ + +#ifdef CONFIG_PM + +#define ISRAM_START 0x5c000000 +#define ISRAM_SIZE SZ_256K + +static void __iomem *sram; +static unsigned long wakeup_src; + +/* + * Enter a standby mode (S0D1C2 or S0D2C2). Upon wakeup, the dynamic + * memory controller has to be reinitialised, so we place some code + * in the SRAM to perform this function. + * + * We disable FIQs across the standby - otherwise, we might receive a + * FIQ while the SDRAM is unavailable. + */ +static void pxa3xx_cpu_standby(unsigned int pwrmode) +{ + void (*fn)(unsigned int) = (void __force *)(sram + 0x8000); + + memcpy_toio(sram + 0x8000, pm_enter_standby_start, + pm_enter_standby_end - pm_enter_standby_start); + + AD2D0SR = ~0; + AD2D1SR = ~0; + AD2D0ER = wakeup_src; + AD2D1ER = 0; + ASCR = ASCR; + ARSR = ARSR; + + local_fiq_disable(); + fn(pwrmode); + local_fiq_enable(); + + AD2D0ER = 0; + AD2D1ER = 0; +} + +/* + * NOTE: currently, the OBM (OEM Boot Module) binary comes along with + * PXA3xx development kits assumes that the resuming process continues + * with the address stored within the first 4 bytes of SDRAM. The PSPR + * register is used privately by BootROM and OBM, and _must_ be set to + * 0x5c014000 for the moment. + */ +static void pxa3xx_cpu_pm_suspend(void) +{ + volatile unsigned long *p = (volatile void *)0xc0000000; + unsigned long saved_data = *p; +#ifndef CONFIG_IWMMXT + u64 acc0; + +#ifdef CONFIG_CC_IS_GCC + asm volatile(".arch_extension xscale\n\t" + "mra %Q0, %R0, acc0" : "=r" (acc0)); +#else + asm volatile("mrrc p0, 0, %Q0, %R0, c0" : "=r" (acc0)); +#endif +#endif + + /* resuming from D2 requires the HSIO2/BOOT/TPM clocks enabled */ + CKENA |= (1 << CKEN_BOOT) | (1 << CKEN_TPM); + CKENB |= 1 << (CKEN_HSIO2 & 0x1f); + + /* clear and setup wakeup source */ + AD3SR = ~0; + AD3ER = wakeup_src; + ASCR = ASCR; + ARSR = ARSR; + + PCFR |= (1u << 13); /* L1_DIS */ + PCFR &= ~((1u << 12) | (1u << 1)); /* L0_EN | SL_ROD */ + + PSPR = 0x5c014000; + + /* overwrite with the resume address */ + *p = __pa_symbol(cpu_resume); + + cpu_suspend(0, pxa3xx_finish_suspend); + + *p = saved_data; + + AD3ER = 0; + +#ifndef CONFIG_IWMMXT +#ifndef CONFIG_AS_IS_LLVM + asm volatile(".arch_extension xscale\n\t" + "mar acc0, %Q0, %R0" : "=r" (acc0)); +#else + asm volatile("mcrr p0, 0, %Q0, %R0, c0" :: "r" (acc0)); +#endif +#endif +} + +static void pxa3xx_cpu_pm_enter(suspend_state_t state) +{ + /* + * Don't sleep if no wakeup sources are defined + */ + if (wakeup_src == 0) { + printk(KERN_ERR "Not suspending: no wakeup sources\n"); + return; + } + + switch (state) { + case PM_SUSPEND_STANDBY: + pxa3xx_cpu_standby(PXA3xx_PM_S0D2C2); + break; + + case PM_SUSPEND_MEM: + pxa3xx_cpu_pm_suspend(); + break; + } +} + +static int pxa3xx_cpu_pm_valid(suspend_state_t state) +{ + return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY; +} + +static struct pxa_cpu_pm_fns pxa3xx_cpu_pm_fns = { + .valid = pxa3xx_cpu_pm_valid, + .enter = pxa3xx_cpu_pm_enter, +}; + +static void __init pxa3xx_init_pm(void) +{ + sram = ioremap(ISRAM_START, ISRAM_SIZE); + if (!sram) { + printk(KERN_ERR "Unable to map ISRAM: disabling standby/suspend\n"); + return; + } + + /* + * Since we copy wakeup code into the SRAM, we need to ensure + * that it is preserved over the low power modes. Note: bit 8 + * is undocumented in the developer manual, but must be set. + */ + AD1R |= ADXR_L2 | ADXR_R0; + AD2R |= ADXR_L2 | ADXR_R0; + AD3R |= ADXR_L2 | ADXR_R0; + + /* + * Clear the resume enable registers. + */ + AD1D0ER = 0; + AD2D0ER = 0; + AD2D1ER = 0; + AD3ER = 0; + + pxa_cpu_pm_fns = &pxa3xx_cpu_pm_fns; +} + +static int pxa3xx_set_wake(struct irq_data *d, unsigned int on) +{ + unsigned long flags, mask = 0; + + switch (d->irq) { + case IRQ_SSP3: + mask = ADXER_MFP_WSSP3; + break; + case IRQ_MSL: + mask = ADXER_WMSL0; + break; + case IRQ_USBH2: + case IRQ_USBH1: + mask = ADXER_WUSBH; + break; + case IRQ_KEYPAD: + mask = ADXER_WKP; + break; + case IRQ_AC97: + mask = ADXER_MFP_WAC97; + break; + case IRQ_USIM: + mask = ADXER_WUSIM0; + break; + case IRQ_SSP2: + mask = ADXER_MFP_WSSP2; + break; + case IRQ_I2C: + mask = ADXER_MFP_WI2C; + break; + case IRQ_STUART: + mask = ADXER_MFP_WUART3; + break; + case IRQ_BTUART: + mask = ADXER_MFP_WUART2; + break; + case IRQ_FFUART: + mask = ADXER_MFP_WUART1; + break; + case IRQ_MMC: + mask = ADXER_MFP_WMMC1; + break; + case IRQ_SSP: + mask = ADXER_MFP_WSSP1; + break; + case IRQ_RTCAlrm: + mask = ADXER_WRTC; + break; + case IRQ_SSP4: + mask = ADXER_MFP_WSSP4; + break; + case IRQ_TSI: + mask = ADXER_WTSI; + break; + case IRQ_USIM2: + mask = ADXER_WUSIM1; + break; + case IRQ_MMC2: + mask = ADXER_MFP_WMMC2; + break; + case IRQ_NAND: + mask = ADXER_MFP_WFLASH; + break; + case IRQ_USB2: + mask = ADXER_WUSB2; + break; + case IRQ_WAKEUP0: + mask = ADXER_WEXTWAKE0; + break; + case IRQ_WAKEUP1: + mask = ADXER_WEXTWAKE1; + break; + case IRQ_MMC3: + mask = ADXER_MFP_GEN12; + break; + default: + return -EINVAL; + } + + local_irq_save(flags); + if (on) + wakeup_src |= mask; + else + wakeup_src &= ~mask; + local_irq_restore(flags); + + return 0; +} +#else +static inline void pxa3xx_init_pm(void) {} +#define pxa3xx_set_wake NULL +#endif + +static void pxa_ack_ext_wakeup(struct irq_data *d) +{ + PECR |= PECR_IS(d->irq - IRQ_WAKEUP0); +} + +static void pxa_mask_ext_wakeup(struct irq_data *d) +{ + pxa_mask_irq(d); + PECR &= ~PECR_IE(d->irq - IRQ_WAKEUP0); +} + +static void pxa_unmask_ext_wakeup(struct irq_data *d) +{ + pxa_unmask_irq(d); + PECR |= PECR_IE(d->irq - IRQ_WAKEUP0); +} + +static int pxa_set_ext_wakeup_type(struct irq_data *d, unsigned int flow_type) +{ + if (flow_type & IRQ_TYPE_EDGE_RISING) + PWER |= 1 << (d->irq - IRQ_WAKEUP0); + + if (flow_type & IRQ_TYPE_EDGE_FALLING) + PWER |= 1 << (d->irq - IRQ_WAKEUP0 + 2); + + return 0; +} + +static struct irq_chip pxa_ext_wakeup_chip = { + .name = "WAKEUP", + .irq_ack = pxa_ack_ext_wakeup, + .irq_mask = pxa_mask_ext_wakeup, + .irq_unmask = pxa_unmask_ext_wakeup, + .irq_set_type = pxa_set_ext_wakeup_type, +}; + +static void __init pxa_init_ext_wakeup_irq(int (*fn)(struct irq_data *, + unsigned int)) +{ + int irq; + + for (irq = IRQ_WAKEUP0; irq <= IRQ_WAKEUP1; irq++) { + irq_set_chip_and_handler(irq, &pxa_ext_wakeup_chip, + handle_edge_irq); + irq_clear_status_flags(irq, IRQ_NOREQUEST); + } + + pxa_ext_wakeup_chip.irq_set_wake = fn; +} + +static void __init __pxa3xx_init_irq(void) +{ + /* enable CP6 access */ + u32 value; + __asm__ __volatile__("mrc p15, 0, %0, c15, c1, 0\n": "=r"(value)); + value |= (1 << 6); + __asm__ __volatile__("mcr p15, 0, %0, c15, c1, 0\n": :"r"(value)); + + pxa_init_ext_wakeup_irq(pxa3xx_set_wake); +} + +static int __init __init +pxa3xx_dt_init_irq(struct device_node *node, struct device_node *parent) +{ + __pxa3xx_init_irq(); + pxa_dt_irq_init(pxa3xx_set_wake); + set_handle_irq(ichp_handle_irq); + + return 0; +} +IRQCHIP_DECLARE(pxa3xx_intc, "marvell,pxa-intc", pxa3xx_dt_init_irq); + +static struct map_desc pxa3xx_io_desc[] __initdata = { + { /* Mem Ctl */ + .virtual = (unsigned long)SMEMC_VIRT, + .pfn = __phys_to_pfn(PXA3XX_SMEMC_BASE), + .length = SMEMC_SIZE, + .type = MT_DEVICE + }, { + .virtual = (unsigned long)NAND_VIRT, + .pfn = __phys_to_pfn(NAND_PHYS), + .length = NAND_SIZE, + .type = MT_DEVICE + }, +}; + +void __init pxa3xx_map_io(void) +{ + pxa_map_io(); + iotable_init(ARRAY_AND_SIZE(pxa3xx_io_desc)); + pxa3xx_get_clk_frequency_khz(1); +} + +static int __init pxa3xx_init(void) +{ + int ret = 0; + + if (cpu_is_pxa3xx()) { + + pxa_register_wdt(ARSR); + + /* + * clear RDH bit every time after reset + * + * Note: the last 3 bits DxS are write-1-to-clear so carefully + * preserve them here in case they will be referenced later + */ + ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S); + + /* + * Disable DFI bus arbitration, to prevent a system bus lock if + * somebody disables the NAND clock (unused clock) while this + * bit remains set. + */ + NDCR = (NDCR & ~NDCR_ND_ARB_EN) | NDCR_ND_ARB_CNTL; + + pxa3xx_init_pm(); + + enable_irq_wake(IRQ_WAKEUP0); + if (cpu_is_pxa320()) + enable_irq_wake(IRQ_WAKEUP1); + + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa3xx_mfp_syscore_ops); + } + + return ret; +} + +postcore_initcall(pxa3xx_init); diff --git a/arch/arm/mach-pxa/pxa3xx.h b/arch/arm/mach-pxa/pxa3xx.h new file mode 100644 index 0000000000..81825f7ad2 --- /dev/null +++ b/arch/arm/mach-pxa/pxa3xx.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MACH_PXA3XX_H +#define __MACH_PXA3XX_H + +#include "addr-map.h" +#include "pxa3xx-regs.h" +#include "irqs.h" + +#endif /* __MACH_PXA3XX_H */ diff --git a/arch/arm/mach-pxa/regs-ost.h b/arch/arm/mach-pxa/regs-ost.h new file mode 100644 index 0000000000..c8001cfc8d --- /dev/null +++ b/arch/arm/mach-pxa/regs-ost.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_MACH_REGS_OST_H +#define __ASM_MACH_REGS_OST_H + +#include "pxa-regs.h" + +/* + * OS Timer & Match Registers + */ +#define OST_PHYS 0x40A00000 +#define OST_LEN 0x00000020 + +#define OSMR0 io_p2v(0x40A00000) /* */ +#define OSMR1 io_p2v(0x40A00004) /* */ +#define OSMR2 io_p2v(0x40A00008) /* */ +#define OSMR3 io_p2v(0x40A0000C) /* */ +#define OSMR4 io_p2v(0x40A00080) /* */ +#define OSCR io_p2v(0x40A00010) /* OS Timer Counter Register */ +#define OSCR4 io_p2v(0x40A00040) /* OS Timer Counter Register */ +#define OMCR4 io_p2v(0x40A000C0) /* */ +#define OSSR io_p2v(0x40A00014) /* OS Timer Status Register */ +#define OWER io_p2v(0x40A00018) /* OS Timer Watchdog Enable Register */ +#define OIER io_p2v(0x40A0001C) /* OS Timer Interrupt Enable Register */ + +#define OSSR_M3 (1 << 3) /* Match status channel 3 */ +#define OSSR_M2 (1 << 2) /* Match status channel 2 */ +#define OSSR_M1 (1 << 1) /* Match status channel 1 */ +#define OSSR_M0 (1 << 0) /* Match status channel 0 */ + +#define OWER_WME (1 << 0) /* Watchdog Match Enable */ + +#define OIER_E3 (1 << 3) /* Interrupt enable channel 3 */ +#define OIER_E2 (1 << 2) /* Interrupt enable channel 2 */ +#define OIER_E1 (1 << 1) /* Interrupt enable channel 1 */ +#define OIER_E0 (1 << 0) /* Interrupt enable channel 0 */ + +#endif /* __ASM_MACH_REGS_OST_H */ diff --git a/arch/arm/mach-pxa/regs-rtc.h b/arch/arm/mach-pxa/regs-rtc.h new file mode 100644 index 0000000000..96255a0f59 --- /dev/null +++ b/arch/arm/mach-pxa/regs-rtc.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_MACH_REGS_RTC_H +#define __ASM_MACH_REGS_RTC_H + +#include "pxa-regs.h" + +/* + * Real Time Clock + */ + +#define RCNR __REG(0x40900000) /* RTC Count Register */ +#define RTAR __REG(0x40900004) /* RTC Alarm Register */ +#define RTSR __REG(0x40900008) /* RTC Status Register */ +#define RTTR __REG(0x4090000C) /* RTC Timer Trim Register */ +#define PIAR __REG(0x40900038) /* Periodic Interrupt Alarm Register */ + +#define RTSR_PICE (1 << 15) /* Periodic interrupt count enable */ +#define RTSR_PIALE (1 << 14) /* Periodic interrupt Alarm enable */ +#define RTSR_HZE (1 << 3) /* HZ interrupt enable */ +#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */ +#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */ +#define RTSR_AL (1 << 0) /* RTC alarm detected */ + +#endif /* __ASM_MACH_REGS_RTC_H */ diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c new file mode 100644 index 0000000000..27293549f8 --- /dev/null +++ b/arch/arm/mach-pxa/reset.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-only +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/io.h> +#include <asm/proc-fns.h> +#include <asm/system_misc.h> + +#include "regs-ost.h" +#include "reset.h" +#include "smemc.h" +#include "generic.h" + +static void do_hw_reset(void); + +static int reset_gpio = -1; + +int init_gpio_reset(int gpio, int output, int level) +{ + int rc; + + rc = gpio_request(gpio, "reset generator"); + if (rc) { + printk(KERN_ERR "Can't request reset_gpio\n"); + goto out; + } + + if (output) + rc = gpio_direction_output(gpio, level); + else + rc = gpio_direction_input(gpio); + if (rc) { + printk(KERN_ERR "Can't configure reset_gpio\n"); + gpio_free(gpio); + goto out; + } + +out: + if (!rc) + reset_gpio = gpio; + + return rc; +} + +/* + * Trigger GPIO reset. + * This covers various types of logic connecting gpio pin + * to RESET pins (nRESET or GPIO_RESET): + */ +static void do_gpio_reset(void) +{ + BUG_ON(reset_gpio == -1); + + /* drive it low */ + gpio_direction_output(reset_gpio, 0); + mdelay(2); + /* rising edge or drive high */ + gpio_set_value(reset_gpio, 1); + mdelay(2); + /* falling edge */ + gpio_set_value(reset_gpio, 0); + + /* give it some time */ + mdelay(10); + + WARN_ON(1); + /* fallback */ + do_hw_reset(); +} + +static void do_hw_reset(void) +{ + /* Initialize the watchdog and let it fire */ + writel_relaxed(OWER_WME, OWER); + writel_relaxed(OSSR_M3, OSSR); + /* ... in 100 ms */ + writel_relaxed(readl_relaxed(OSCR) + 368640, OSMR3); + /* + * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71) + * we put SDRAM into self-refresh to prevent that + */ + while (1) + writel_relaxed(MDREFR_SLFRSH, MDREFR); +} + +void pxa_restart(enum reboot_mode mode, const char *cmd) +{ + local_irq_disable(); + local_fiq_disable(); + + clear_reset_status(RESET_STATUS_ALL); + + switch (mode) { + case REBOOT_SOFT: + /* Jump into ROM at address 0 */ + soft_restart(0); + break; + case REBOOT_GPIO: + do_gpio_reset(); + break; + case REBOOT_HARD: + default: + do_hw_reset(); + break; + } +} diff --git a/arch/arm/mach-pxa/reset.h b/arch/arm/mach-pxa/reset.h new file mode 100644 index 0000000000..963dd190bc --- /dev/null +++ b/arch/arm/mach-pxa/reset.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_ARCH_RESET_H +#define __ASM_ARCH_RESET_H + +#define RESET_STATUS_HARDWARE (1 << 0) /* Hardware Reset */ +#define RESET_STATUS_WATCHDOG (1 << 1) /* Watchdog Reset */ +#define RESET_STATUS_LOWPOWER (1 << 2) /* Low Power/Sleep Exit */ +#define RESET_STATUS_GPIO (1 << 3) /* GPIO Reset */ +#define RESET_STATUS_ALL (0xf) + +extern void clear_reset_status(unsigned int mask); +extern void pxa_register_wdt(unsigned int reset_status); + +/** + * init_gpio_reset() - register GPIO as reset generator + * @gpio: gpio nr + * @output: set gpio as output instead of input during normal work + * @level: output level + */ +extern int init_gpio_reset(int gpio, int output, int level); + +#endif /* __ASM_ARCH_RESET_H */ diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c new file mode 100644 index 0000000000..72fa2e3fd3 --- /dev/null +++ b/arch/arm/mach-pxa/sharpsl_pm.c @@ -0,0 +1,941 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00 + * series of PDAs + * + * Copyright (c) 2004-2005 Richard Purdie + * + * Based on code written by Sharp for 2.4 kernels + */ + +#undef DEBUG + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/apm-emulation.h> +#include <linux/timer.h> +#include <linux/delay.h> +#include <linux/leds.h> +#include <linux/suspend.h> +#include <linux/gpio.h> +#include <linux/io.h> + +#include <asm/mach-types.h> +#include "pm.h" +#include "pxa2xx-regs.h" +#include "regs-rtc.h" +#include "sharpsl_pm.h" + +/* + * Constants + */ +#define SHARPSL_CHARGE_ON_TIME_INTERVAL (msecs_to_jiffies(1*60*1000)) /* 1 min */ +#define SHARPSL_CHARGE_FINISH_TIME (msecs_to_jiffies(10*60*1000)) /* 10 min */ +#define SHARPSL_BATCHK_TIME (msecs_to_jiffies(15*1000)) /* 15 sec */ +#define SHARPSL_BATCHK_TIME_SUSPEND (60*10) /* 10 min */ + +#define SHARPSL_WAIT_CO_TIME 15 /* 15 sec */ +#define SHARPSL_WAIT_DISCHARGE_ON 100 /* 100 msec */ +#define SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP 10 /* 10 msec */ +#define SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT 10 /* 10 msec */ +#define SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN 10 /* 10 msec */ +#define SHARPSL_CHARGE_WAIT_TIME 15 /* 15 msec */ +#define SHARPSL_CHARGE_CO_CHECK_TIME 5 /* 5 msec */ +#define SHARPSL_CHARGE_RETRY_CNT 1 /* eqv. 10 min */ + +/* + * Prototypes + */ +#ifdef CONFIG_PM +static int sharpsl_off_charge_battery(void); +static int sharpsl_check_battery_voltage(void); +#endif +static int sharpsl_check_battery_temp(void); +static int sharpsl_ac_check(void); +static int sharpsl_average_value(int ad); +static void sharpsl_average_clear(void); +static void sharpsl_charge_toggle(struct work_struct *private_); +static void sharpsl_battery_thread(struct work_struct *private_); + + +/* + * Variables + */ +struct sharpsl_pm_status sharpsl_pm; +static DECLARE_DELAYED_WORK(toggle_charger, sharpsl_charge_toggle); +static DECLARE_DELAYED_WORK(sharpsl_bat, sharpsl_battery_thread); +DEFINE_LED_TRIGGER(sharpsl_charge_led_trigger); + + + +struct battery_thresh sharpsl_battery_levels_acin[] = { + { 213, 100}, + { 212, 98}, + { 211, 95}, + { 210, 93}, + { 209, 90}, + { 208, 88}, + { 207, 85}, + { 206, 83}, + { 205, 80}, + { 204, 78}, + { 203, 75}, + { 202, 73}, + { 201, 70}, + { 200, 68}, + { 199, 65}, + { 198, 63}, + { 197, 60}, + { 196, 58}, + { 195, 55}, + { 194, 53}, + { 193, 50}, + { 192, 48}, + { 192, 45}, + { 191, 43}, + { 191, 40}, + { 190, 38}, + { 190, 35}, + { 189, 33}, + { 188, 30}, + { 187, 28}, + { 186, 25}, + { 185, 23}, + { 184, 20}, + { 183, 18}, + { 182, 15}, + { 181, 13}, + { 180, 10}, + { 179, 8}, + { 178, 5}, + { 0, 0}, +}; + +struct battery_thresh sharpsl_battery_levels_noac[] = { + { 213, 100}, + { 212, 98}, + { 211, 95}, + { 210, 93}, + { 209, 90}, + { 208, 88}, + { 207, 85}, + { 206, 83}, + { 205, 80}, + { 204, 78}, + { 203, 75}, + { 202, 73}, + { 201, 70}, + { 200, 68}, + { 199, 65}, + { 198, 63}, + { 197, 60}, + { 196, 58}, + { 195, 55}, + { 194, 53}, + { 193, 50}, + { 192, 48}, + { 191, 45}, + { 190, 43}, + { 189, 40}, + { 188, 38}, + { 187, 35}, + { 186, 33}, + { 185, 30}, + { 184, 28}, + { 183, 25}, + { 182, 23}, + { 181, 20}, + { 180, 18}, + { 179, 15}, + { 178, 13}, + { 177, 10}, + { 176, 8}, + { 175, 5}, + { 0, 0}, +}; + +/* MAX1111 Commands */ +#define MAXCTRL_PD0 (1u << 0) +#define MAXCTRL_PD1 (1u << 1) +#define MAXCTRL_SGL (1u << 2) +#define MAXCTRL_UNI (1u << 3) +#define MAXCTRL_SEL_SH 4 +#define MAXCTRL_STR (1u << 7) + +extern int max1111_read_channel(int); +/* + * Read MAX1111 ADC + */ +int sharpsl_pm_pxa_read_max1111(int channel) +{ + /* max1111 accepts channels from 0-3, however, + * it is encoded from 0-7 here in the code. + */ + return max1111_read_channel(channel >> 1); +} + +static int get_percentage(int voltage) +{ + int i = sharpsl_pm.machinfo->bat_levels - 1; + int bl_status = sharpsl_pm.machinfo->backlight_get_status ? sharpsl_pm.machinfo->backlight_get_status() : 0; + struct battery_thresh *thresh; + + if (sharpsl_pm.charge_mode == CHRG_ON) + thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_acin_bl : sharpsl_pm.machinfo->bat_levels_acin; + else + thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_noac_bl : sharpsl_pm.machinfo->bat_levels_noac; + + while (i > 0 && (voltage > thresh[i].voltage)) + i--; + + return thresh[i].percentage; +} + +static int get_apm_status(int voltage) +{ + int low_thresh, high_thresh; + + if (sharpsl_pm.charge_mode == CHRG_ON) { + high_thresh = sharpsl_pm.machinfo->status_high_acin; + low_thresh = sharpsl_pm.machinfo->status_low_acin; + } else { + high_thresh = sharpsl_pm.machinfo->status_high_noac; + low_thresh = sharpsl_pm.machinfo->status_low_noac; + } + + if (voltage >= high_thresh) + return APM_BATTERY_STATUS_HIGH; + if (voltage >= low_thresh) + return APM_BATTERY_STATUS_LOW; + return APM_BATTERY_STATUS_CRITICAL; +} + +void sharpsl_battery_kick(void) +{ + schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125)); +} + +static void sharpsl_battery_thread(struct work_struct *private_) +{ + int voltage, percent, apm_status, i; + + if (!sharpsl_pm.machinfo) + return; + + sharpsl_pm.battstat.ac_status = (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN) ? APM_AC_ONLINE : APM_AC_OFFLINE); + + /* Corgi cannot confirm when battery fully charged so periodically kick! */ + if (!sharpsl_pm.machinfo->batfull_irq && (sharpsl_pm.charge_mode == CHRG_ON) + && time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_ON_TIME_INTERVAL)) + schedule_delayed_work(&toggle_charger, 0); + + for (i = 0; i < 5; i++) { + voltage = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT); + if (voltage > 0) + break; + } + if (voltage <= 0) { + voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage; + dev_warn(sharpsl_pm.dev, "Warning: Cannot read main battery!\n"); + } + + voltage = sharpsl_average_value(voltage); + apm_status = get_apm_status(voltage); + percent = get_percentage(voltage); + + /* At low battery voltages, the voltage has a tendency to start + creeping back up so we try to avoid this here */ + if ((sharpsl_pm.battstat.ac_status == APM_AC_ONLINE) + || (apm_status == APM_BATTERY_STATUS_HIGH) + || percent <= sharpsl_pm.battstat.mainbat_percent) { + sharpsl_pm.battstat.mainbat_voltage = voltage; + sharpsl_pm.battstat.mainbat_status = apm_status; + sharpsl_pm.battstat.mainbat_percent = percent; + } + + dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %ld\n", voltage, + sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies); + + /* Suspend if critical battery level */ + if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE) + && (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL) + && !(sharpsl_pm.flags & SHARPSL_APM_QUEUED)) { + sharpsl_pm.flags |= SHARPSL_APM_QUEUED; + dev_err(sharpsl_pm.dev, "Fatal Off\n"); + apm_queue_event(APM_CRITICAL_SUSPEND); + } + + schedule_delayed_work(&sharpsl_bat, SHARPSL_BATCHK_TIME); +} + +void sharpsl_pm_led(int val) +{ + if (val == SHARPSL_LED_ERROR) { + dev_err(sharpsl_pm.dev, "Charging Error!\n"); + } else if (val == SHARPSL_LED_ON) { + dev_dbg(sharpsl_pm.dev, "Charge LED On\n"); + led_trigger_event(sharpsl_charge_led_trigger, LED_FULL); + } else { + dev_dbg(sharpsl_pm.dev, "Charge LED Off\n"); + led_trigger_event(sharpsl_charge_led_trigger, LED_OFF); + } +} + +static void sharpsl_charge_on(void) +{ + dev_dbg(sharpsl_pm.dev, "Turning Charger On\n"); + + sharpsl_pm.full_count = 0; + sharpsl_pm.charge_mode = CHRG_ON; + schedule_delayed_work(&toggle_charger, msecs_to_jiffies(250)); + schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(500)); +} + +static void sharpsl_charge_off(void) +{ + dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n"); + + sharpsl_pm.machinfo->charge(0); + sharpsl_pm_led(SHARPSL_LED_OFF); + sharpsl_pm.charge_mode = CHRG_OFF; + + schedule_delayed_work(&sharpsl_bat, 0); +} + +static void sharpsl_charge_error(void) +{ + sharpsl_pm_led(SHARPSL_LED_ERROR); + sharpsl_pm.machinfo->charge(0); + sharpsl_pm.charge_mode = CHRG_ERROR; +} + +static void sharpsl_charge_toggle(struct work_struct *private_) +{ + dev_dbg(sharpsl_pm.dev, "Toggling Charger at time: %lx\n", jiffies); + + if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) { + sharpsl_charge_off(); + return; + } else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) { + sharpsl_charge_error(); + return; + } + + sharpsl_pm_led(SHARPSL_LED_ON); + sharpsl_pm.machinfo->charge(0); + mdelay(SHARPSL_CHARGE_WAIT_TIME); + sharpsl_pm.machinfo->charge(1); + + sharpsl_pm.charge_start_time = jiffies; +} + +static void sharpsl_ac_timer(struct timer_list *unused) +{ + int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); + + dev_dbg(sharpsl_pm.dev, "AC Status: %d\n", acin); + + sharpsl_average_clear(); + if (acin && (sharpsl_pm.charge_mode != CHRG_ON)) + sharpsl_charge_on(); + else if (sharpsl_pm.charge_mode == CHRG_ON) + sharpsl_charge_off(); + + schedule_delayed_work(&sharpsl_bat, 0); +} + + +static irqreturn_t sharpsl_ac_isr(int irq, void *dev_id) +{ + /* Delay the event slightly to debounce */ + /* Must be a smaller delay than the chrg_full_isr below */ + mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250)); + + return IRQ_HANDLED; +} + +static void sharpsl_chrg_full_timer(struct timer_list *unused) +{ + dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies); + + sharpsl_pm.full_count++; + + if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) { + dev_dbg(sharpsl_pm.dev, "Charge Full: AC removed - stop charging!\n"); + if (sharpsl_pm.charge_mode == CHRG_ON) + sharpsl_charge_off(); + } else if (sharpsl_pm.full_count < 2) { + dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n"); + schedule_delayed_work(&toggle_charger, 0); + } else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) { + dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n"); + schedule_delayed_work(&toggle_charger, 0); + } else { + sharpsl_charge_off(); + sharpsl_pm.charge_mode = CHRG_DONE; + dev_dbg(sharpsl_pm.dev, "Charge Full: Charging Finished\n"); + } +} + +/* Charging Finished Interrupt (Not present on Corgi) */ +/* Can trigger at the same time as an AC status change so + delay until after that has been processed */ +static irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id) +{ + if (sharpsl_pm.flags & SHARPSL_SUSPENDED) + return IRQ_HANDLED; + + /* delay until after any ac interrupt */ + mod_timer(&sharpsl_pm.chrg_full_timer, jiffies + msecs_to_jiffies(500)); + + return IRQ_HANDLED; +} + +static irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id) +{ + int is_fatal = 0; + + if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) { + dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n"); + is_fatal = 1; + } + + if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_FATAL)) { + dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n"); + is_fatal = 1; + } + + if (!(sharpsl_pm.flags & SHARPSL_APM_QUEUED) && is_fatal) { + sharpsl_pm.flags |= SHARPSL_APM_QUEUED; + apm_queue_event(APM_CRITICAL_SUSPEND); + } + + return IRQ_HANDLED; +} + +/* + * Maintain an average of the last 10 readings + */ +#define SHARPSL_CNV_VALUE_NUM 10 +static int sharpsl_ad_index; + +static void sharpsl_average_clear(void) +{ + sharpsl_ad_index = 0; +} + +static int sharpsl_average_value(int ad) +{ + int i, ad_val = 0; + static int sharpsl_ad[SHARPSL_CNV_VALUE_NUM+1]; + + if (sharpsl_pm.battstat.mainbat_status != APM_BATTERY_STATUS_HIGH) { + sharpsl_ad_index = 0; + return ad; + } + + sharpsl_ad[sharpsl_ad_index] = ad; + sharpsl_ad_index++; + if (sharpsl_ad_index >= SHARPSL_CNV_VALUE_NUM) { + for (i = 0; i < (SHARPSL_CNV_VALUE_NUM-1); i++) + sharpsl_ad[i] = sharpsl_ad[i+1]; + sharpsl_ad_index = SHARPSL_CNV_VALUE_NUM - 1; + } + for (i = 0; i < sharpsl_ad_index; i++) + ad_val += sharpsl_ad[i]; + + return ad_val / sharpsl_ad_index; +} + +/* + * Take an array of 5 integers, remove the maximum and minimum values + * and return the average. + */ +static int get_select_val(int *val) +{ + int i, j, k, temp, sum = 0; + + /* Find MAX val */ + temp = val[0]; + j = 0; + for (i = 1; i < 5; i++) { + if (temp < val[i]) { + temp = val[i]; + j = i; + } + } + + /* Find MIN val */ + temp = val[4]; + k = 4; + for (i = 3; i >= 0; i--) { + if (temp > val[i]) { + temp = val[i]; + k = i; + } + } + + for (i = 0; i < 5; i++) + if (i != j && i != k) + sum += val[i]; + + dev_dbg(sharpsl_pm.dev, "Average: %d from values: %d, %d, %d, %d, %d\n", sum/3, val[0], val[1], val[2], val[3], val[4]); + + return sum/3; +} + +static int sharpsl_check_battery_temp(void) +{ + int val, i, buff[5]; + + /* Check battery temperature */ + for (i = 0; i < 5; i++) { + mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP); + sharpsl_pm.machinfo->measure_temp(1); + mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP); + buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_TEMP); + sharpsl_pm.machinfo->measure_temp(0); + } + + val = get_select_val(buff); + + dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val); + if (val > sharpsl_pm.machinfo->charge_on_temp) { + printk(KERN_WARNING "Not charging: temperature out of limits.\n"); + return -1; + } + + return 0; +} + +#ifdef CONFIG_PM +static int sharpsl_check_battery_voltage(void) +{ + int val, i, buff[5]; + + /* disable charge, enable discharge */ + sharpsl_pm.machinfo->charge(0); + sharpsl_pm.machinfo->discharge(1); + mdelay(SHARPSL_WAIT_DISCHARGE_ON); + + if (sharpsl_pm.machinfo->discharge1) + sharpsl_pm.machinfo->discharge1(1); + + /* Check battery voltage */ + for (i = 0; i < 5; i++) { + buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT); + mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT); + } + + if (sharpsl_pm.machinfo->discharge1) + sharpsl_pm.machinfo->discharge1(0); + + sharpsl_pm.machinfo->discharge(0); + + val = get_select_val(buff); + dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val); + + if (val < sharpsl_pm.machinfo->charge_on_volt) + return -1; + + return 0; +} +#endif + +static int sharpsl_ac_check(void) +{ + int temp, i, buff[5]; + + for (i = 0; i < 5; i++) { + buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_ACIN_VOLT); + mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN); + } + + temp = get_select_val(buff); + dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n", temp); + + if ((temp > sharpsl_pm.machinfo->charge_acin_high) || (temp < sharpsl_pm.machinfo->charge_acin_low)) { + dev_err(sharpsl_pm.dev, "Error: AC check failed: voltage %d.\n", temp); + return -1; + } + + return 0; +} + +#ifdef CONFIG_PM +static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state) +{ + sharpsl_pm.flags |= SHARPSL_SUSPENDED; + flush_delayed_work(&toggle_charger); + flush_delayed_work(&sharpsl_bat); + + if (sharpsl_pm.charge_mode == CHRG_ON) + sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG; + else + sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG; + + return 0; +} + +static int sharpsl_pm_resume(struct platform_device *pdev) +{ + /* Clear the reset source indicators as they break the bootloader upon reboot */ + RCSR = 0x0f; + sharpsl_average_clear(); + sharpsl_pm.flags &= ~SHARPSL_APM_QUEUED; + sharpsl_pm.flags &= ~SHARPSL_SUSPENDED; + + return 0; +} + +static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state) +{ + dev_dbg(sharpsl_pm.dev, "Time is: %08x\n", RCNR); + + dev_dbg(sharpsl_pm.dev, "Offline Charge Activate = %d\n", sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG); + /* not charging and AC-IN! */ + + if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN))) { + dev_dbg(sharpsl_pm.dev, "Activating Offline Charger...\n"); + sharpsl_pm.charge_mode = CHRG_OFF; + sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG; + sharpsl_off_charge_battery(); + } + + sharpsl_pm.machinfo->presuspend(); + + PEDR = 0xffffffff; /* clear it */ + + sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE; + if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) { + RTSR &= RTSR_ALE; + RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND; + dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n", RTAR); + sharpsl_pm.flags |= SHARPSL_ALARM_ACTIVE; + } else if (alarm_enable) { + RTSR &= RTSR_ALE; + RTAR = alarm_time; + dev_dbg(sharpsl_pm.dev, "User alarm at: %08x\n", RTAR); + } else { + dev_dbg(sharpsl_pm.dev, "No alarms set.\n"); + } + + pxa_pm_enter(state); + + sharpsl_pm.machinfo->postsuspend(); + + dev_dbg(sharpsl_pm.dev, "Corgi woken up from suspend: %08x\n", PEDR); +} + +static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state) +{ + if (!sharpsl_pm.machinfo->should_wakeup(!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE) && alarm_enable)) { + if (!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE)) { + dev_dbg(sharpsl_pm.dev, "No user triggered wakeup events and not charging. Strange. Suspend.\n"); + corgi_goto_sleep(alarm_time, alarm_enable, state); + return 1; + } + if (sharpsl_off_charge_battery()) { + dev_dbg(sharpsl_pm.dev, "Charging. Suspend...\n"); + corgi_goto_sleep(alarm_time, alarm_enable, state); + return 1; + } + dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n"); + } + + if ((!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) || + (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_FATAL))) { + dev_err(sharpsl_pm.dev, "Fatal condition. Suspend.\n"); + corgi_goto_sleep(alarm_time, alarm_enable, state); + return 1; + } + + return 0; +} + +static int corgi_pxa_pm_enter(suspend_state_t state) +{ + unsigned long alarm_time = RTAR; + unsigned int alarm_status = ((RTSR & RTSR_ALE) != 0); + + dev_dbg(sharpsl_pm.dev, "SharpSL suspending for first time.\n"); + + corgi_goto_sleep(alarm_time, alarm_status, state); + + while (corgi_enter_suspend(alarm_time, alarm_status, state)) + {} + + if (sharpsl_pm.machinfo->earlyresume) + sharpsl_pm.machinfo->earlyresume(); + + dev_dbg(sharpsl_pm.dev, "SharpSL resuming...\n"); + + return 0; +} + +static int sharpsl_off_charge_error(void) +{ + dev_err(sharpsl_pm.dev, "Offline Charger: Error occurred.\n"); + sharpsl_pm.machinfo->charge(0); + sharpsl_pm_led(SHARPSL_LED_ERROR); + sharpsl_pm.charge_mode = CHRG_ERROR; + return 1; +} + +/* + * Charging Control while suspended + * Return 1 - go straight to sleep + * Return 0 - sleep or wakeup depending on other factors + */ +static int sharpsl_off_charge_battery(void) +{ + int time; + + dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode); + + if (sharpsl_pm.charge_mode == CHRG_OFF) { + dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n"); + + /* AC Check */ + if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0)) + return sharpsl_off_charge_error(); + + /* Start Charging */ + sharpsl_pm_led(SHARPSL_LED_ON); + sharpsl_pm.machinfo->charge(0); + mdelay(SHARPSL_CHARGE_WAIT_TIME); + sharpsl_pm.machinfo->charge(1); + + sharpsl_pm.charge_mode = CHRG_ON; + sharpsl_pm.full_count = 0; + + return 1; + } else if (sharpsl_pm.charge_mode != CHRG_ON) { + return 1; + } + + if (sharpsl_pm.full_count == 0) { + int time; + + dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n"); + + if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0)) + return sharpsl_off_charge_error(); + + sharpsl_pm.machinfo->charge(0); + mdelay(SHARPSL_CHARGE_WAIT_TIME); + sharpsl_pm.machinfo->charge(1); + sharpsl_pm.charge_mode = CHRG_ON; + + mdelay(SHARPSL_CHARGE_CO_CHECK_TIME); + + time = RCNR; + while (1) { + /* Check if any wakeup event had occurred */ + if (sharpsl_pm.machinfo->charger_wakeup()) + return 0; + /* Check for timeout */ + if ((RCNR - time) > SHARPSL_WAIT_CO_TIME) + return 1; + if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) { + dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occurred. Retrying to check\n"); + sharpsl_pm.full_count++; + sharpsl_pm.machinfo->charge(0); + mdelay(SHARPSL_CHARGE_WAIT_TIME); + sharpsl_pm.machinfo->charge(1); + return 1; + } + } + } + + dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n"); + + mdelay(SHARPSL_CHARGE_CO_CHECK_TIME); + + time = RCNR; + while (1) { + /* Check if any wakeup event had occurred */ + if (sharpsl_pm.machinfo->charger_wakeup()) + return 0; + /* Check for timeout */ + if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) { + if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) { + dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n"); + sharpsl_pm.full_count = 0; + } + sharpsl_pm.full_count++; + return 1; + } + if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) { + dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n"); + sharpsl_pm_led(SHARPSL_LED_OFF); + sharpsl_pm.machinfo->charge(0); + sharpsl_pm.charge_mode = CHRG_DONE; + return 1; + } + } +} +#else +#define sharpsl_pm_suspend NULL +#define sharpsl_pm_resume NULL +#endif + +static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", sharpsl_pm.battstat.mainbat_percent); +} + +static ssize_t battery_voltage_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", sharpsl_pm.battstat.mainbat_voltage); +} + +static DEVICE_ATTR_RO(battery_percentage); +static DEVICE_ATTR_RO(battery_voltage); + +extern void (*apm_get_power_status)(struct apm_power_info *); + +static void sharpsl_apm_get_power_status(struct apm_power_info *info) +{ + info->ac_line_status = sharpsl_pm.battstat.ac_status; + + if (sharpsl_pm.charge_mode == CHRG_ON) + info->battery_status = APM_BATTERY_STATUS_CHARGING; + else + info->battery_status = sharpsl_pm.battstat.mainbat_status; + + info->battery_flag = (1 << info->battery_status); + info->battery_life = sharpsl_pm.battstat.mainbat_percent; +} + +#ifdef CONFIG_PM +static const struct platform_suspend_ops sharpsl_pm_ops = { + .prepare = pxa_pm_prepare, + .finish = pxa_pm_finish, + .enter = corgi_pxa_pm_enter, + .valid = suspend_valid_only_mem, +}; +#endif + +static int sharpsl_pm_probe(struct platform_device *pdev) +{ + int ret, irq; + + if (!pdev->dev.platform_data) + return -EINVAL; + + sharpsl_pm.dev = &pdev->dev; + sharpsl_pm.machinfo = pdev->dev.platform_data; + sharpsl_pm.charge_mode = CHRG_OFF; + sharpsl_pm.flags = 0; + + timer_setup(&sharpsl_pm.ac_timer, sharpsl_ac_timer, 0); + + timer_setup(&sharpsl_pm.chrg_full_timer, sharpsl_chrg_full_timer, 0); + + led_trigger_register_simple("sharpsl-charge", &sharpsl_charge_led_trigger); + + sharpsl_pm.machinfo->init(); + + gpio_request(sharpsl_pm.machinfo->gpio_acin, "AC IN"); + gpio_direction_input(sharpsl_pm.machinfo->gpio_acin); + gpio_request(sharpsl_pm.machinfo->gpio_batfull, "Battery Full"); + gpio_direction_input(sharpsl_pm.machinfo->gpio_batfull); + gpio_request(sharpsl_pm.machinfo->gpio_batlock, "Battery Lock"); + gpio_direction_input(sharpsl_pm.machinfo->gpio_batlock); + + /* Register interrupt handlers */ + irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_acin); + if (request_irq(irq, sharpsl_ac_isr, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "AC Input Detect", sharpsl_ac_isr)) { + dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq); + } + + irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_batlock); + if (request_irq(irq, sharpsl_fatal_isr, IRQF_TRIGGER_FALLING, "Battery Cover", sharpsl_fatal_isr)) { + dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq); + } + + if (sharpsl_pm.machinfo->gpio_fatal) { + irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_fatal); + if (request_irq(irq, sharpsl_fatal_isr, IRQF_TRIGGER_FALLING, "Fatal Battery", sharpsl_fatal_isr)) { + dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq); + } + } + + if (sharpsl_pm.machinfo->batfull_irq) { + /* Register interrupt handler. */ + irq = gpio_to_irq(sharpsl_pm.machinfo->gpio_batfull); + if (request_irq(irq, sharpsl_chrg_full_isr, IRQF_TRIGGER_RISING, "CO", sharpsl_chrg_full_isr)) { + dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", irq); + } + } + + ret = device_create_file(&pdev->dev, &dev_attr_battery_percentage); + ret |= device_create_file(&pdev->dev, &dev_attr_battery_voltage); + if (ret != 0) + dev_warn(&pdev->dev, "Failed to register attributes (%d)\n", ret); + + apm_get_power_status = sharpsl_apm_get_power_status; + +#ifdef CONFIG_PM + suspend_set_ops(&sharpsl_pm_ops); +#endif + + mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250)); + + return 0; +} + +static void sharpsl_pm_remove(struct platform_device *pdev) +{ + suspend_set_ops(NULL); + + device_remove_file(&pdev->dev, &dev_attr_battery_percentage); + device_remove_file(&pdev->dev, &dev_attr_battery_voltage); + + led_trigger_unregister_simple(sharpsl_charge_led_trigger); + + free_irq(gpio_to_irq(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr); + free_irq(gpio_to_irq(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr); + + if (sharpsl_pm.machinfo->gpio_fatal) + free_irq(gpio_to_irq(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr); + + if (sharpsl_pm.machinfo->batfull_irq) + free_irq(gpio_to_irq(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr); + + gpio_free(sharpsl_pm.machinfo->gpio_batlock); + gpio_free(sharpsl_pm.machinfo->gpio_batfull); + gpio_free(sharpsl_pm.machinfo->gpio_acin); + + if (sharpsl_pm.machinfo->exit) + sharpsl_pm.machinfo->exit(); + + del_timer_sync(&sharpsl_pm.chrg_full_timer); + del_timer_sync(&sharpsl_pm.ac_timer); +} + +static struct platform_driver sharpsl_pm_driver = { + .probe = sharpsl_pm_probe, + .remove_new = sharpsl_pm_remove, + .suspend = sharpsl_pm_suspend, + .resume = sharpsl_pm_resume, + .driver = { + .name = "sharpsl-pm", + }, +}; + +static int sharpsl_pm_init(void) +{ + return platform_driver_register(&sharpsl_pm_driver); +} + +static void sharpsl_pm_exit(void) +{ + platform_driver_unregister(&sharpsl_pm_driver); +} + +late_initcall(sharpsl_pm_init); +module_exit(sharpsl_pm_exit); diff --git a/arch/arm/mach-pxa/sharpsl_pm.h b/arch/arm/mach-pxa/sharpsl_pm.h new file mode 100644 index 0000000000..623167f30e --- /dev/null +++ b/arch/arm/mach-pxa/sharpsl_pm.h @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * SharpSL Battery/PM Driver + * + * Copyright (c) 2004-2005 Richard Purdie + */ +#ifndef _MACH_SHARPSL_PM +#define _MACH_SHARPSL_PM + +struct sharpsl_charger_machinfo { + void (*init)(void); + void (*exit)(void); + int gpio_acin; + int gpio_batfull; + int batfull_irq; + int gpio_batlock; + int gpio_fatal; + void (*discharge)(int); + void (*discharge1)(int); + void (*charge)(int); + void (*measure_temp)(int); + void (*presuspend)(void); + void (*postsuspend)(void); + void (*earlyresume)(void); + unsigned long (*read_devdata)(int); +#define SHARPSL_BATT_VOLT 1 +#define SHARPSL_BATT_TEMP 2 +#define SHARPSL_ACIN_VOLT 3 +#define SHARPSL_STATUS_ACIN 4 +#define SHARPSL_STATUS_LOCK 5 +#define SHARPSL_STATUS_CHRGFULL 6 +#define SHARPSL_STATUS_FATAL 7 + bool (*charger_wakeup)(void); + int (*should_wakeup)(unsigned int resume_on_alarm); + void (*backlight_limit)(int); + int (*backlight_get_status) (void); + int charge_on_volt; + int charge_on_temp; + int charge_acin_high; + int charge_acin_low; + int fatal_acin_volt; + int fatal_noacin_volt; + int bat_levels; + struct battery_thresh *bat_levels_noac; + struct battery_thresh *bat_levels_acin; + struct battery_thresh *bat_levels_noac_bl; + struct battery_thresh *bat_levels_acin_bl; + int status_high_acin; + int status_low_acin; + int status_high_noac; + int status_low_noac; +}; + +struct battery_thresh { + int voltage; + int percentage; +}; + +struct battery_stat { + int ac_status; /* APM AC Present/Not Present */ + int mainbat_status; /* APM Main Battery Status */ + int mainbat_percent; /* Main Battery Percentage Charge */ + int mainbat_voltage; /* Main Battery Voltage */ +}; + +struct sharpsl_pm_status { + struct device *dev; + struct timer_list ac_timer; + struct timer_list chrg_full_timer; + + int charge_mode; +#define CHRG_ERROR (-1) +#define CHRG_OFF (0) +#define CHRG_ON (1) +#define CHRG_DONE (2) + + unsigned int flags; +#define SHARPSL_SUSPENDED (1 << 0) /* Device is Suspended */ +#define SHARPSL_ALARM_ACTIVE (1 << 1) /* Alarm is for charging event (not user) */ +#define SHARPSL_BL_LIMIT (1 << 2) /* Backlight Intensity Limited */ +#define SHARPSL_APM_QUEUED (1 << 3) /* APM Event Queued */ +#define SHARPSL_DO_OFFLINE_CHRG (1 << 4) /* Trigger the offline charger */ + + int full_count; + unsigned long charge_start_time; + struct sharpsl_charger_machinfo *machinfo; + struct battery_stat battstat; +}; + +extern struct sharpsl_pm_status sharpsl_pm; + +extern struct battery_thresh sharpsl_battery_levels_acin[]; +extern struct battery_thresh sharpsl_battery_levels_noac[]; + +#define SHARPSL_LED_ERROR 2 +#define SHARPSL_LED_ON 1 +#define SHARPSL_LED_OFF 0 + +void sharpsl_battery_kick(void); +void sharpsl_pm_led(int val); + +/* MAX1111 Channel Definitions */ +#define MAX1111_BATT_VOLT 4u +#define MAX1111_BATT_TEMP 2u +#define MAX1111_ACIN_VOLT 6u +int sharpsl_pm_pxa_read_max1111(int channel); + +#endif diff --git a/arch/arm/mach-pxa/sleep.S b/arch/arm/mach-pxa/sleep.S new file mode 100644 index 0000000000..d58cf52e38 --- /dev/null +++ b/arch/arm/mach-pxa/sleep.S @@ -0,0 +1,172 @@ +/* + * Low-level PXA250/210 sleep/wakeUp support + * + * Initial SA1110 code: + * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com> + * + * Adapted for PXA by Nicolas Pitre: + * Copyright (c) 2002 Monta Vista Software, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License. + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> +#include "smemc.h" +#include "pxa2xx-regs.h" + +#define MDREFR_KDIV 0x200a4000 // all banks +#define CCCR_SLEEP 0x00000107 // L=7 2N=2 A=0 PPDIS=0 CPDIS=0 +#define CCCR_N_MASK 0x00000380 +#define CCCR_M_MASK 0x00000060 +#define CCCR_L_MASK 0x0000001f + .text + +#ifdef CONFIG_PXA3xx +/* + * pxa3xx_finish_suspend() - forces CPU into sleep state (S2D3C4) + */ +ENTRY(pxa3xx_finish_suspend) + mov r0, #0x06 @ S2D3C4 mode + mcr p14, 0, r0, c7, c0, 0 @ enter sleep + +20: b 20b @ waiting for sleep +#endif /* CONFIG_PXA3xx */ + +#ifdef CONFIG_PXA27x +/* + * pxa27x_finish_suspend() + * + * Forces CPU into sleep state. + * + * r0 = value for PWRMODE M field for desired sleep state + */ +ENTRY(pxa27x_finish_suspend) + @ Put the processor to sleep + @ (also workaround for sighting 28071) + + @ prepare value for sleep mode + mov r1, r0 @ sleep mode + + @ prepare pointer to physical address 0 (virtual mapping in generic.c) + mov r2, #UNCACHED_PHYS_0 + + @ prepare SDRAM refresh settings + ldr r4, =MDREFR + ldr r5, [r4] + + @ enable SDRAM self-refresh mode + orr r5, r5, #MDREFR_SLFRSH + + @ set SDCLKx divide-by-2 bits (this is part of a workaround for Errata 50) + ldr r6, =MDREFR_KDIV + orr r5, r5, r6 + + @ Intel PXA270 Specification Update notes problems sleeping + @ with core operating above 91 MHz + @ (see Errata 50, ...processor does not exit from sleep...) + + ldr r6, =CCCR + ldr r8, [r6] @ keep original value for resume + + ldr r7, =CCCR_SLEEP @ prepare CCCR sleep value + mov r0, #0x2 @ prepare value for CLKCFG + + @ align execution to a cache line + b pxa_cpu_do_suspend +#endif + +#ifdef CONFIG_PXA25x +/* + * pxa25x_finish_suspend() + * + * Forces CPU into sleep state. + * + * r0 = value for PWRMODE M field for desired sleep state + */ + +ENTRY(pxa25x_finish_suspend) + @ prepare value for sleep mode + mov r1, r0 @ sleep mode + + @ prepare pointer to physical address 0 (virtual mapping in generic.c) + mov r2, #UNCACHED_PHYS_0 + + @ prepare SDRAM refresh settings + ldr r4, =MDREFR + ldr r5, [r4] + + @ enable SDRAM self-refresh mode + orr r5, r5, #MDREFR_SLFRSH + + @ Intel PXA255 Specification Update notes problems + @ about suspending with PXBus operating above 133MHz + @ (see Errata 31, GPIO output signals, ... unpredictable in sleep + @ + @ We keep the change-down close to the actual suspend on SDRAM + @ as possible to eliminate messing about with the refresh clock + @ as the system will restore with the original speed settings + @ + @ Ben Dooks, 13-Sep-2004 + + ldr r6, =CCCR + ldr r8, [r6] @ keep original value for resume + + @ ensure x1 for run and turbo mode with memory clock + bic r7, r8, #CCCR_M_MASK | CCCR_N_MASK + orr r7, r7, #(1<<5) | (2<<7) + + @ check that the memory frequency is within limits + and r14, r7, #CCCR_L_MASK + teq r14, #1 + bicne r7, r7, #CCCR_L_MASK + orrne r7, r7, #1 @@ 99.53MHz + + @ get ready for the change + + @ note, turbo is not preserved over sleep so there is no + @ point in preserving it here. we save it on the stack with the + @ other CP registers instead. + mov r0, #0 + mcr p14, 0, r0, c6, c0, 0 + orr r0, r0, #2 @ initiate change bit + b pxa_cpu_do_suspend +#endif + + .ltorg + .align 5 +pxa_cpu_do_suspend: + + @ All needed values are now in registers. + @ These last instructions should be in cache + + @ initiate the frequency change... + str r7, [r6] + mcr p14, 0, r0, c6, c0, 0 + + @ restore the original cpu speed value for resume + str r8, [r6] + + @ need 6 13-MHz cycles before changing PWRMODE + @ just set frequency to 91-MHz... 6*91/13 = 42 + + mov r0, #42 +10: subs r0, r0, #1 + bne 10b + + @ Do not reorder... + @ Intel PXA270 Specification Update notes problems performing + @ external accesses after SDRAM is put in self-refresh mode + @ (see Errata 38 ...hangs when entering self-refresh mode) + + @ force address lines low by reading at physical address 0 + ldr r3, [r2] + + @ put SDRAM into self-refresh + str r5, [r4] + + @ enter sleep mode + mcr p14, 0, r1, c7, c0, 0 @ PWRMODE + +20: b 20b @ loop waiting for sleep diff --git a/arch/arm/mach-pxa/smemc.c b/arch/arm/mach-pxa/smemc.c new file mode 100644 index 0000000000..2d2a321d82 --- /dev/null +++ b/arch/arm/mach-pxa/smemc.c @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Static Memory Controller + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/syscore_ops.h> +#include <linux/soc/pxa/cpu.h> + +#include "smemc.h" +#include <linux/soc/pxa/smemc.h> + +#ifdef CONFIG_PM +static unsigned long msc[2]; +static unsigned long sxcnfg, memclkcfg; +static unsigned long csadrcfg[4]; + +static int pxa3xx_smemc_suspend(void) +{ + msc[0] = __raw_readl(MSC0); + msc[1] = __raw_readl(MSC1); + sxcnfg = __raw_readl(SXCNFG); + memclkcfg = __raw_readl(MEMCLKCFG); + csadrcfg[0] = __raw_readl(CSADRCFG0); + csadrcfg[1] = __raw_readl(CSADRCFG1); + csadrcfg[2] = __raw_readl(CSADRCFG2); + csadrcfg[3] = __raw_readl(CSADRCFG3); + + return 0; +} + +static void pxa3xx_smemc_resume(void) +{ + __raw_writel(msc[0], MSC0); + __raw_writel(msc[1], MSC1); + __raw_writel(sxcnfg, SXCNFG); + __raw_writel(memclkcfg, MEMCLKCFG); + __raw_writel(csadrcfg[0], CSADRCFG0); + __raw_writel(csadrcfg[1], CSADRCFG1); + __raw_writel(csadrcfg[2], CSADRCFG2); + __raw_writel(csadrcfg[3], CSADRCFG3); + /* CSMSADRCFG wakes up in its default state (0), so we need to set it */ + __raw_writel(0x2, CSMSADRCFG); +} + +static struct syscore_ops smemc_syscore_ops = { + .suspend = pxa3xx_smemc_suspend, + .resume = pxa3xx_smemc_resume, +}; + +static int __init smemc_init(void) +{ + if (cpu_is_pxa3xx()) { + /* + * The only documentation we have on the + * Chip Select Configuration Register (CSMSADRCFG) is that + * it must be programmed to 0x2. + * Moreover, in the bit definitions, the second bit + * (CSMSADRCFG[1]) is called "SETALWAYS". + * Other bits are reserved in this register. + */ + __raw_writel(0x2, CSMSADRCFG); + + register_syscore_ops(&smemc_syscore_ops); + } + + return 0; +} +subsys_initcall(smemc_init); +#endif + +static const unsigned int df_clkdiv[4] = { 1, 2, 4, 1 }; +unsigned int pxa3xx_smemc_get_memclkdiv(void) +{ + unsigned long memclkcfg = __raw_readl(MEMCLKCFG); + + return df_clkdiv[(memclkcfg >> 16) & 0x3]; +} diff --git a/arch/arm/mach-pxa/smemc.h b/arch/arm/mach-pxa/smemc.h new file mode 100644 index 0000000000..9b2453a7ab --- /dev/null +++ b/arch/arm/mach-pxa/smemc.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Static memory controller register definitions for PXA CPUs + * + * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> + */ + +#ifndef __SMEMC_REGS_H +#define __SMEMC_REGS_H + +#define PXA2XX_SMEMC_BASE 0x48000000 +#define PXA3XX_SMEMC_BASE 0x4a000000 +#define SMEMC_VIRT IOMEM(0xf6000000) + +#define MDCNFG (SMEMC_VIRT + 0x00) /* SDRAM Configuration Register 0 */ +#define MDREFR (SMEMC_VIRT + 0x04) /* SDRAM Refresh Control Register */ +#define MSC0 (SMEMC_VIRT + 0x08) /* Static Memory Control Register 0 */ +#define MSC1 (SMEMC_VIRT + 0x0C) /* Static Memory Control Register 1 */ +#define MSC2 (SMEMC_VIRT + 0x10) /* Static Memory Control Register 2 */ +#define MECR (SMEMC_VIRT + 0x14) /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */ +#define SXLCR (SMEMC_VIRT + 0x18) /* LCR value to be written to SDRAM-Timing Synchronous Flash */ +#define SXCNFG (SMEMC_VIRT + 0x1C) /* Synchronous Static Memory Control Register */ +#define SXMRS (SMEMC_VIRT + 0x24) /* MRS value to be written to Synchronous Flash or SMROM */ +#define MCMEM0 (SMEMC_VIRT + 0x28) /* Card interface Common Memory Space Socket 0 Timing */ +#define MCMEM1 (SMEMC_VIRT + 0x2C) /* Card interface Common Memory Space Socket 1 Timing */ +#define MCATT0 (SMEMC_VIRT + 0x30) /* Card interface Attribute Space Socket 0 Timing Configuration */ +#define MCATT1 (SMEMC_VIRT + 0x34) /* Card interface Attribute Space Socket 1 Timing Configuration */ +#define MCIO0 (SMEMC_VIRT + 0x38) /* Card interface I/O Space Socket 0 Timing Configuration */ +#define MCIO1 (SMEMC_VIRT + 0x3C) /* Card interface I/O Space Socket 1 Timing Configuration */ +#define MDMRS (SMEMC_VIRT + 0x40) /* MRS value to be written to SDRAM */ +#define BOOT_DEF (SMEMC_VIRT + 0x44) /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SEL */ +#define MEMCLKCFG (SMEMC_VIRT + 0x68) /* Clock Configuration */ +#define CSADRCFG0 (SMEMC_VIRT + 0x80) /* Address Configuration Register for CS0 */ +#define CSADRCFG1 (SMEMC_VIRT + 0x84) /* Address Configuration Register for CS1 */ +#define CSADRCFG2 (SMEMC_VIRT + 0x88) /* Address Configuration Register for CS2 */ +#define CSADRCFG3 (SMEMC_VIRT + 0x8C) /* Address Configuration Register for CS3 */ +#define CSMSADRCFG (SMEMC_VIRT + 0xA0) /* Chip Select Configuration Register */ + +/* + * More handy macros for PCMCIA + * + * Arg is socket number + */ +#define MCMEM(s) (SMEMC_VIRT + 0x28 + ((s)<<2)) /* Card interface Common Memory Space Socket s Timing */ +#define MCATT(s) (SMEMC_VIRT + 0x30 + ((s)<<2)) /* Card interface Attribute Space Socket s Timing Configuration */ +#define MCIO(s) (SMEMC_VIRT + 0x38 + ((s)<<2)) /* Card interface I/O Space Socket s Timing Configuration */ + +/* MECR register defines */ +#define MECR_NOS (1 << 0) /* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */ +#define MECR_CIT (1 << 1) /* Card Is There: 0 -> no card, 1 -> card inserted */ + +#define MDCNFG_DE0 (1 << 0) /* SDRAM Bank 0 Enable */ +#define MDCNFG_DE1 (1 << 1) /* SDRAM Bank 1 Enable */ +#define MDCNFG_DE2 (1 << 16) /* SDRAM Bank 2 Enable */ +#define MDCNFG_DE3 (1 << 17) /* SDRAM Bank 3 Enable */ + +#define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */ +#define MDREFR_K2FREE (1 << 25) /* SDRAM Free-Running Control */ +#define MDREFR_K1FREE (1 << 24) /* SDRAM Free-Running Control */ +#define MDREFR_K0FREE (1 << 23) /* SDRAM Free-Running Control */ +#define MDREFR_SLFRSH (1 << 22) /* SDRAM Self-Refresh Control/Status */ +#define MDREFR_APD (1 << 20) /* SDRAM/SSRAM Auto-Power-Down Enable */ +#define MDREFR_K2DB2 (1 << 19) /* SDCLK2 Divide by 2 Control/Status */ +#define MDREFR_K2RUN (1 << 18) /* SDCLK2 Run Control/Status */ +#define MDREFR_K1DB2 (1 << 17) /* SDCLK1 Divide by 2 Control/Status */ +#define MDREFR_K1RUN (1 << 16) /* SDCLK1 Run Control/Status */ +#define MDREFR_E1PIN (1 << 15) /* SDCKE1 Level Control/Status */ +#define MDREFR_K0DB2 (1 << 14) /* SDCLK0 Divide by 2 Control/Status */ +#define MDREFR_K0RUN (1 << 13) /* SDCLK0 Run Control/Status */ +#define MDREFR_E0PIN (1 << 12) /* SDCKE0 Level Control/Status */ + +#endif diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c new file mode 100644 index 0000000000..cc691b1994 --- /dev/null +++ b/arch/arm/mach-pxa/spitz.c @@ -0,0 +1,1071 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Support for Sharp SL-Cxx00 Series of PDAs + * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) + * + * Copyright (c) 2005 Richard Purdie + * + * Based on Sharp's 2.4 kernel patches/lubbock.c + */ + +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio_keys.h> +#include <linux/gpio.h> +#include <linux/gpio/machine.h> +#include <linux/leds.h> +#include <linux/i2c.h> +#include <linux/platform_data/i2c-pxa.h> +#include <linux/platform_data/pca953x.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/spi/corgi_lcd.h> +#include <linux/spi/pxa2xx_spi.h> +#include <linux/mtd/sharpsl.h> +#include <linux/mtd/physmap.h> +#include <linux/input-event-codes.h> +#include <linux/input/matrix_keypad.h> +#include <linux/regulator/machine.h> +#include <linux/io.h> +#include <linux/reboot.h> +#include <linux/memblock.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/sharpsl_param.h> +#include <asm/hardware/scoop.h> + +#include "pxa27x.h" +#include "pxa27x-udc.h" +#include "reset.h" +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/video-pxafb.h> +#include "spitz.h" +#include "sharpsl_pm.h" +#include "smemc.h" + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long spitz_pin_config[] __initdata = { + /* Chip Selects */ + GPIO78_nCS_2, /* SCOOP #2 */ + GPIO79_nCS_3, /* NAND */ + GPIO80_nCS_4, /* SCOOP #1 */ + + /* LCD - 16bpp Active TFT */ + GPIOxx_LCD_TFT_16BPP, + + /* PC Card */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + GPIO104_PSKTSEL, + + /* I2S */ + GPIO28_I2S_BITCLK_OUT, + GPIO29_I2S_SDATA_IN, + GPIO30_I2S_SDATA_OUT, + GPIO31_I2S_SYNC, + + /* MMC */ + GPIO32_MMC_CLK, + GPIO112_MMC_CMD, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + + /* GPIOs */ + GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ + GPIO16_GPIO, /* SPITZ_GPIO_SYNC */ + GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ + GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ + GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ + GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ + GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ + GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ + GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ + GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ + + /* GPIO matrix keypad */ + GPIO88_GPIO, /* column 0 */ + GPIO23_GPIO, /* column 1 */ + GPIO24_GPIO, /* column 2 */ + GPIO25_GPIO, /* column 3 */ + GPIO26_GPIO, /* column 4 */ + GPIO27_GPIO, /* column 5 */ + GPIO52_GPIO, /* column 6 */ + GPIO103_GPIO, /* column 7 */ + GPIO107_GPIO, /* column 8 */ + GPIO108_GPIO, /* column 9 */ + GPIO114_GPIO, /* column 10 */ + GPIO12_GPIO, /* row 0 */ + GPIO17_GPIO, /* row 1 */ + GPIO91_GPIO, /* row 2 */ + GPIO34_GPIO, /* row 3 */ + GPIO36_GPIO, /* row 4 */ + GPIO38_GPIO, /* row 5 */ + GPIO39_GPIO, /* row 6 */ + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */ + GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */ +}; + + +/****************************************************************************** + * Scoop GPIO expander + ******************************************************************************/ +#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE) +/* SCOOP Device #1 */ +static struct resource spitz_scoop_1_resources[] = { + [0] = { + .start = 0x10800000, + .end = 0x10800fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct scoop_config spitz_scoop_1_setup = { + .io_dir = SPITZ_SCP_IO_DIR, + .io_out = SPITZ_SCP_IO_OUT, + .suspend_clr = SPITZ_SCP_SUS_CLR, + .suspend_set = SPITZ_SCP_SUS_SET, + .gpio_base = SPITZ_SCP_GPIO_BASE, +}; + +struct platform_device spitz_scoop_1_device = { + .name = "sharp-scoop", + .id = 0, + .dev = { + .platform_data = &spitz_scoop_1_setup, + }, + .num_resources = ARRAY_SIZE(spitz_scoop_1_resources), + .resource = spitz_scoop_1_resources, +}; + +/* SCOOP Device #2 */ +static struct resource spitz_scoop_2_resources[] = { + [0] = { + .start = 0x08800040, + .end = 0x08800fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct scoop_config spitz_scoop_2_setup = { + .io_dir = SPITZ_SCP2_IO_DIR, + .io_out = SPITZ_SCP2_IO_OUT, + .suspend_clr = SPITZ_SCP2_SUS_CLR, + .suspend_set = SPITZ_SCP2_SUS_SET, + .gpio_base = SPITZ_SCP2_GPIO_BASE, +}; + +struct platform_device spitz_scoop_2_device = { + .name = "sharp-scoop", + .id = 1, + .dev = { + .platform_data = &spitz_scoop_2_setup, + }, + .num_resources = ARRAY_SIZE(spitz_scoop_2_resources), + .resource = spitz_scoop_2_resources, +}; + +static void __init spitz_scoop_init(void) +{ + platform_device_register(&spitz_scoop_1_device); + + /* Akita doesn't have the second SCOOP chip */ + if (!machine_is_akita()) + platform_device_register(&spitz_scoop_2_device); +} + +/* Power control is shared with between one of the CF slots and SD */ +static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) +{ + unsigned short cpr; + unsigned long flags; + + if (new_cpr & 0x7) { + gpio_set_value(SPITZ_GPIO_CF_POWER, 1); + mdelay(5); + } + + local_irq_save(flags); + + cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR); + + if (enable & new_cpr) + cpr |= new_cpr; + else + cpr &= ~enable; + + write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr); + + local_irq_restore(flags); + + if (!(cpr & 0x7)) { + mdelay(1); + gpio_set_value(SPITZ_GPIO_CF_POWER, 0); + } +} + +#else +static inline void spitz_scoop_init(void) {} +static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {} +#endif + +/****************************************************************************** + * PCMCIA + ******************************************************************************/ +#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) +static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr) +{ + /* Only need to override behaviour for slot 0 */ + if (nr == 0) + spitz_card_pwr_ctrl( + cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr); + else + write_scoop_reg(scoop, SCOOP_CPR, cpr); +} + +static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { + { + .dev = &spitz_scoop_1_device.dev, + .irq = SPITZ_IRQ_GPIO_CF_IRQ, + .cd_irq = SPITZ_IRQ_GPIO_CF_CD, + .cd_irq_str = "PCMCIA0 CD", + }, { + .dev = &spitz_scoop_2_device.dev, + .irq = SPITZ_IRQ_GPIO_CF2_IRQ, + .cd_irq = -1, + }, +}; + +static struct scoop_pcmcia_config spitz_pcmcia_config = { + .devs = &spitz_pcmcia_scoop[0], + .num_devs = 2, + .power_ctrl = spitz_pcmcia_pwr, +}; + +static void __init spitz_pcmcia_init(void) +{ + /* Akita has only one PCMCIA slot used */ + if (machine_is_akita()) + spitz_pcmcia_config.num_devs = 1; + + platform_scoop_config = &spitz_pcmcia_config; +} +#else +static inline void spitz_pcmcia_init(void) {} +#endif + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) + +#define SPITZ_KEY_CALENDAR KEY_F1 +#define SPITZ_KEY_ADDRESS KEY_F2 +#define SPITZ_KEY_FN KEY_F3 +#define SPITZ_KEY_CANCEL KEY_F4 +#define SPITZ_KEY_EXOK KEY_F5 +#define SPITZ_KEY_EXCANCEL KEY_F6 +#define SPITZ_KEY_EXJOGDOWN KEY_F7 +#define SPITZ_KEY_EXJOGUP KEY_F8 +#define SPITZ_KEY_JAP1 KEY_LEFTALT +#define SPITZ_KEY_JAP2 KEY_RIGHTCTRL +#define SPITZ_KEY_SYNC KEY_F9 +#define SPITZ_KEY_MAIL KEY_F10 +#define SPITZ_KEY_OK KEY_F11 +#define SPITZ_KEY_MENU KEY_F12 + +static const uint32_t spitz_keymap[] = { + KEY(0, 0, KEY_LEFTCTRL), + KEY(0, 1, KEY_1), + KEY(0, 2, KEY_3), + KEY(0, 3, KEY_5), + KEY(0, 4, KEY_6), + KEY(0, 5, KEY_7), + KEY(0, 6, KEY_9), + KEY(0, 7, KEY_0), + KEY(0, 8, KEY_BACKSPACE), + KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */ + KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */ + KEY(1, 1, KEY_2), + KEY(1, 2, KEY_4), + KEY(1, 3, KEY_R), + KEY(1, 4, KEY_Y), + KEY(1, 5, KEY_8), + KEY(1, 6, KEY_I), + KEY(1, 7, KEY_O), + KEY(1, 8, KEY_P), + KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */ + KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */ + KEY(2, 0, KEY_TAB), + KEY(2, 1, KEY_Q), + KEY(2, 2, KEY_E), + KEY(2, 3, KEY_T), + KEY(2, 4, KEY_G), + KEY(2, 5, KEY_U), + KEY(2, 6, KEY_J), + KEY(2, 7, KEY_K), + KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */ + KEY(3, 1, KEY_W), + KEY(3, 2, KEY_S), + KEY(3, 3, KEY_F), + KEY(3, 4, KEY_V), + KEY(3, 5, KEY_H), + KEY(3, 6, KEY_M), + KEY(3, 7, KEY_L), + KEY(3, 9, KEY_RIGHTSHIFT), + KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */ + KEY(4, 1, KEY_A), + KEY(4, 2, KEY_D), + KEY(4, 3, KEY_C), + KEY(4, 4, KEY_B), + KEY(4, 5, KEY_N), + KEY(4, 6, KEY_DOT), + KEY(4, 8, KEY_ENTER), + KEY(4, 9, KEY_LEFTSHIFT), + KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */ + KEY(5, 1, KEY_Z), + KEY(5, 2, KEY_X), + KEY(5, 3, KEY_MINUS), + KEY(5, 4, KEY_SPACE), + KEY(5, 5, KEY_COMMA), + KEY(5, 7, KEY_UP), + KEY(5, 10, SPITZ_KEY_FN), /* FN */ + KEY(6, 0, KEY_SYSRQ), + KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */ + KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */ + KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */ + KEY(6, 4, SPITZ_KEY_OK), /* OK */ + KEY(6, 5, SPITZ_KEY_MENU), /* MENU */ + KEY(6, 6, KEY_LEFT), + KEY(6, 7, KEY_DOWN), + KEY(6, 8, KEY_RIGHT), +}; + +static const struct matrix_keymap_data spitz_keymap_data = { + .keymap = spitz_keymap, + .keymap_size = ARRAY_SIZE(spitz_keymap), +}; + +static const uint32_t spitz_row_gpios[] = + { 12, 17, 91, 34, 36, 38, 39 }; +static const uint32_t spitz_col_gpios[] = + { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 }; + +static struct matrix_keypad_platform_data spitz_mkp_pdata = { + .keymap_data = &spitz_keymap_data, + .row_gpios = spitz_row_gpios, + .col_gpios = spitz_col_gpios, + .num_row_gpios = ARRAY_SIZE(spitz_row_gpios), + .num_col_gpios = ARRAY_SIZE(spitz_col_gpios), + .col_scan_delay_us = 10, + .debounce_ms = 10, + .wakeup = 1, +}; + +static struct platform_device spitz_mkp_device = { + .name = "matrix-keypad", + .id = -1, + .dev = { + .platform_data = &spitz_mkp_pdata, + }, +}; + +static void __init spitz_mkp_init(void) +{ + platform_device_register(&spitz_mkp_device); +} +#else +static inline void spitz_mkp_init(void) {} +#endif + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button spitz_gpio_keys[] = { + { + .type = EV_PWR, + .code = KEY_SUSPEND, + .gpio = SPITZ_GPIO_ON_KEY, + .desc = "On Off", + .wakeup = 1, + }, + /* Two buttons detecting the lid state */ + { + .type = EV_SW, + .code = 0, + .gpio = SPITZ_GPIO_SWA, + .desc = "Display Down", + }, + { + .type = EV_SW, + .code = 1, + .gpio = SPITZ_GPIO_SWB, + .desc = "Lid Closed", + }, +}; + +static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = { + .buttons = spitz_gpio_keys, + .nbuttons = ARRAY_SIZE(spitz_gpio_keys), +}; + +static struct platform_device spitz_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &spitz_gpio_keys_platform_data, + }, +}; + +static void __init spitz_keys_init(void) +{ + platform_device_register(&spitz_gpio_keys_device); +} +#else +static inline void spitz_keys_init(void) {} +#endif + +/****************************************************************************** + * LEDs + ******************************************************************************/ +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static struct gpio_led spitz_gpio_leds[] = { + { + .name = "spitz:amber:charge", + .default_trigger = "sharpsl-charge", + .gpio = SPITZ_GPIO_LED_ORANGE, + }, + { + .name = "spitz:green:hddactivity", + .default_trigger = "disk-activity", + .gpio = SPITZ_GPIO_LED_GREEN, + }, +}; + +static struct gpio_led_platform_data spitz_gpio_leds_info = { + .leds = spitz_gpio_leds, + .num_leds = ARRAY_SIZE(spitz_gpio_leds), +}; + +static struct platform_device spitz_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &spitz_gpio_leds_info, + }, +}; + +static void __init spitz_leds_init(void) +{ + platform_device_register(&spitz_led_device); +} +#else +static inline void spitz_leds_init(void) {} +#endif + +/****************************************************************************** + * SSP Devices + ******************************************************************************/ +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) +static void spitz_ads7846_wait_for_hsync(void) +{ + while (gpio_get_value(SPITZ_GPIO_HSYNC)) + cpu_relax(); + + while (!gpio_get_value(SPITZ_GPIO_HSYNC)) + cpu_relax(); +} + +static struct ads7846_platform_data spitz_ads7846_info = { + .model = 7846, + .vref_delay_usecs = 100, + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .pressure_max = 1024, + .wait_for_sync = spitz_ads7846_wait_for_hsync, +}; + +static struct gpiod_lookup_table spitz_ads7846_gpio_table = { + .dev_id = "spi2.0", + .table = { + GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_TP_INT, + "pendown", GPIO_ACTIVE_LOW), + { } + }, +}; + +static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { + .dev_id = "spi2.1", + .table = { + GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT, + "BL_CONT", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON, + "BL_ON", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table akita_lcdcon_gpio_table = { + .dev_id = "spi2.1", + .table = { + GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT, + "BL_CONT", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON, + "BL_ON", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct corgi_lcd_platform_data spitz_lcdcon_info = { + .init_mode = CORGI_LCD_MODE_VGA, + .max_intensity = 0x2f, + .default_intensity = 0x1f, + .limit_mask = 0x0b, + .kick_battery = sharpsl_battery_kick, +}; + +static struct spi_board_info spitz_spi_devices[] = { + { + .modalias = "ads7846", + .max_speed_hz = 1200000, + .bus_num = 2, + .chip_select = 0, + .platform_data = &spitz_ads7846_info, + .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT), + }, { + .modalias = "corgi-lcd", + .max_speed_hz = 50000, + .bus_num = 2, + .chip_select = 1, + .platform_data = &spitz_lcdcon_info, + }, { + .modalias = "max1111", + .max_speed_hz = 450000, + .bus_num = 2, + .chip_select = 2, + }, +}; + +static struct pxa2xx_spi_controller spitz_spi_info = { + .num_chipselect = 3, +}; + +static struct gpiod_lookup_table spitz_spi_gpio_table = { + .dev_id = "spi2", + .table = { + GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW), + { }, + }, +}; + +static void __init spitz_spi_init(void) +{ + if (machine_is_akita()) + gpiod_add_lookup_table(&akita_lcdcon_gpio_table); + else + gpiod_add_lookup_table(&spitz_lcdcon_gpio_table); + + gpiod_add_lookup_table(&spitz_ads7846_gpio_table); + gpiod_add_lookup_table(&spitz_spi_gpio_table); + pxa2xx_set_spi_info(2, &spitz_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); +} +#else +static inline void spitz_spi_init(void) {} +#endif + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +/* + * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to + * give the card a chance to fully insert/eject. + */ +static int spitz_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data* p_d = dev->platform_data; + + if ((1 << vdd) & p_d->ocr_mask) + spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V); + else + spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0); + + return 0; +} + +static struct pxamci_platform_data spitz_mci_platform_data = { + .detect_delay_ms = 250, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .setpower = spitz_mci_setpower, +}; + +static struct gpiod_lookup_table spitz_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT, + "cd", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP, + "wp", GPIO_ACTIVE_LOW), + { }, + }, +}; + +static void __init spitz_mmc_init(void) +{ + gpiod_add_lookup_table(&spitz_mci_gpio_table); + pxa_set_mci_info(&spitz_mci_platform_data); +} +#else +static inline void spitz_mmc_init(void) {} +#endif + +/****************************************************************************** + * USB Host + ******************************************************************************/ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static int spitz_ohci_init(struct device *dev) +{ + int err; + + err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); + if (err) + return err; + + /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ + UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; + + return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); +} + +static void spitz_ohci_exit(struct device *dev) +{ + gpio_free(SPITZ_GPIO_USB_HOST); +} + +static struct pxaohci_platform_data spitz_ohci_platform_data = { + .port_mode = PMM_NPS_MODE, + .init = spitz_ohci_init, + .exit = spitz_ohci_exit, + .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, + .power_budget = 150, +}; + +static void __init spitz_uhc_init(void) +{ + pxa_set_ohci_info(&spitz_ohci_platform_data); +} +#else +static inline void spitz_uhc_init(void) {} +#endif + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct pxafb_mode_info spitz_pxafb_modes[] = { + { + .pixclock = 19231, + .xres = 480, + .yres = 640, + .bpp = 16, + .hsync_len = 40, + .left_margin = 46, + .right_margin = 125, + .vsync_len = 3, + .upper_margin = 1, + .lower_margin = 0, + .sync = 0, + }, { + .pixclock = 134617, + .xres = 240, + .yres = 320, + .bpp = 16, + .hsync_len = 20, + .left_margin = 20, + .right_margin = 46, + .vsync_len = 2, + .upper_margin = 1, + .lower_margin = 0, + .sync = 0, + }, +}; + +static struct pxafb_mach_info spitz_pxafb_info = { + .modes = spitz_pxafb_modes, + .num_modes = ARRAY_SIZE(spitz_pxafb_modes), + .fixed_modes = 1, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, +}; + +static void __init spitz_lcd_init(void) +{ + pxa_set_fb_info(NULL, &spitz_pxafb_info); +} +#else +static inline void spitz_lcd_init(void) {} +#endif + +/****************************************************************************** + * NAND Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE) +static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; + +static struct nand_bbt_descr spitz_nand_bbt = { + .options = 0, + .offs = 4, + .len = 2, + .pattern = scan_ff_pattern +}; + +static int akita_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section > 12) + return -ERANGE; + + switch (section % 3) { + case 0: + oobregion->offset = 5; + oobregion->length = 1; + break; + + case 1: + oobregion->offset = 1; + oobregion->length = 3; + break; + + case 2: + oobregion->offset = 6; + oobregion->length = 2; + break; + } + + oobregion->offset += (section / 3) * 0x10; + + return 0; +} + +static int akita_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 8; + oobregion->length = 9; + + return 0; +} + +static const struct mtd_ooblayout_ops akita_ooblayout_ops = { + .ecc = akita_ooblayout_ecc, + .free = akita_ooblayout_free, +}; + +static const char * const probes[] = { + "cmdlinepart", + "ofpart", + "sharpslpart", + NULL, +}; + +static struct sharpsl_nand_platform_data spitz_nand_pdata = { + .badblock_pattern = &spitz_nand_bbt, + .part_parsers = probes, +}; + +static struct resource spitz_nand_resources[] = { + { + .start = PXA_CS3_PHYS, + .end = PXA_CS3_PHYS + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spitz_nand_device = { + .name = "sharpsl-nand", + .id = -1, + .resource = spitz_nand_resources, + .num_resources = ARRAY_SIZE(spitz_nand_resources), + .dev = { + .platform_data = &spitz_nand_pdata, + } +}; + +static void __init spitz_nand_init(void) +{ + if (machine_is_akita() || machine_is_borzoi()) { + spitz_nand_bbt.len = 1; + spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops; + } + + platform_device_register(&spitz_nand_device); +} +#else +static inline void spitz_nand_init(void) {} +#endif + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition spitz_rom_parts[] = { + { + .name ="Boot PROM Filesystem", + .offset = 0x00140000, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct physmap_flash_data spitz_rom_data = { + .width = 2, + .nr_parts = ARRAY_SIZE(spitz_rom_parts), + .parts = spitz_rom_parts, +}; + +static struct resource spitz_rom_resources[] = { + { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_8M - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spitz_rom_device = { + .name = "physmap-flash", + .id = -1, + .resource = spitz_rom_resources, + .num_resources = ARRAY_SIZE(spitz_rom_resources), + .dev = { + .platform_data = &spitz_rom_data, + }, +}; + +static void __init spitz_nor_init(void) +{ + platform_device_register(&spitz_rom_device); +} +#else +static inline void spitz_nor_init(void) {} +#endif + +/****************************************************************************** + * I2C devices + ******************************************************************************/ +#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) +static struct pca953x_platform_data akita_pca953x_pdata = { + .gpio_base = AKITA_IOEXP_GPIO_BASE, +}; + +static struct i2c_board_info spitz_i2c_devs[] = { + { + .type = "wm8750", + .addr = 0x1b, + }, { + .type = "max7310", + .addr = 0x18, + .platform_data = &akita_pca953x_pdata, + }, +}; + +static struct regulator_consumer_supply isl6271a_consumers[] = { + REGULATOR_SUPPLY("vcc_core", NULL), +}; + +static struct regulator_init_data isl6271a_info[] = { + { + .constraints = { + .name = "vcc_core range", + .min_uV = 850000, + .max_uV = 1600000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = isl6271a_consumers, + .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers), + } +}; + +static struct i2c_board_info spitz_pi2c_devs[] = { + { + .type = "isl6271a", + .addr = 0x0c, + .platform_data = &isl6271a_info, + }, +}; + +static void __init spitz_i2c_init(void) +{ + int size = ARRAY_SIZE(spitz_i2c_devs); + + /* Only Akita has the max7310 chip */ + if (!machine_is_akita()) + size--; + + pxa_set_i2c_info(NULL); + pxa27x_set_i2c_power_info(NULL); + i2c_register_board_info(0, spitz_i2c_devs, size); + i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs)); +} +#else +static inline void spitz_i2c_init(void) {} +#endif + +static struct gpiod_lookup_table spitz_audio_gpio_table = { + .dev_id = "spitz-audio", + .table = { + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, + "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, + "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE, + "mic", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table akita_audio_gpio_table = { + .dev_id = "spitz-audio", + .table = { + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, + "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, + "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE, + "mic", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +/****************************************************************************** + * Audio devices + ******************************************************************************/ +static inline void spitz_audio_init(void) +{ + if (machine_is_akita()) + gpiod_add_lookup_table(&akita_audio_gpio_table); + else + gpiod_add_lookup_table(&spitz_audio_gpio_table); + + platform_device_register_simple("spitz-audio", -1, NULL, 0); +} + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void spitz_poweroff(void) +{ + pxa_restart(REBOOT_GPIO, NULL); +} + +static void spitz_restart(enum reboot_mode mode, const char *cmd) +{ + uint32_t msc0 = __raw_readl(MSC0); + /* Bootloader magic for a reboot */ + if ((msc0 & 0xffff0000) == 0x7ff00000) + __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0); + + spitz_poweroff(); +} + +static void __init spitz_init(void) +{ + init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); + pm_power_off = spitz_poweroff; + + PMCR = 0x00; + + /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ + PCFR |= PCFR_OPDE; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + spitz_spi_init(); + spitz_scoop_init(); + spitz_mkp_init(); + spitz_keys_init(); + spitz_leds_init(); + spitz_mmc_init(); + spitz_pcmcia_init(); + spitz_uhc_init(); + spitz_lcd_init(); + spitz_nor_init(); + spitz_nand_init(); + spitz_i2c_init(); + spitz_audio_init(); + + regulator_has_full_constraints(); +} + +static void __init spitz_fixup(struct tag *tags, char **cmdline) +{ + sharpsl_save_param(); + memblock_add(0xa0000000, SZ_64M); +} + +#ifdef CONFIG_MACH_SPITZ +MACHINE_START(SPITZ, "SHARP Spitz") + .fixup = spitz_fixup, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .init_machine = spitz_init, + .init_time = pxa_timer_init, + .restart = spitz_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_BORZOI +MACHINE_START(BORZOI, "SHARP Borzoi") + .fixup = spitz_fixup, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .init_machine = spitz_init, + .init_time = pxa_timer_init, + .restart = spitz_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_AKITA +MACHINE_START(AKITA, "SHARP Akita") + .fixup = spitz_fixup, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .init_machine = spitz_init, + .init_time = pxa_timer_init, + .restart = spitz_restart, +MACHINE_END +#endif diff --git a/arch/arm/mach-pxa/spitz.h b/arch/arm/mach-pxa/spitz.h new file mode 100644 index 0000000000..04828d8918 --- /dev/null +++ b/arch/arm/mach-pxa/spitz.h @@ -0,0 +1,185 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Hardware specific definitions for SL-Cx000 series of PDAs + * + * Copyright (c) 2005 Alexander Wykes + * Copyright (c) 2005 Richard Purdie + * + * Based on Sharp's 2.4 kernel patches + */ +#ifndef __ASM_ARCH_SPITZ_H +#define __ASM_ARCH_SPITZ_H 1 +#endif + +#include "irqs.h" /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */ +#include <linux/fb.h> + +/* Spitz/Akita GPIOs */ + +#define SPITZ_GPIO_KEY_INT (0) /* Key Interrupt */ +#define SPITZ_GPIO_RESET (1) +#define SPITZ_GPIO_nSD_DETECT (9) +#define SPITZ_GPIO_TP_INT (11) /* Touch Panel interrupt */ +#define SPITZ_GPIO_AK_INT (13) /* Remote Control */ +#define SPITZ_GPIO_ADS7846_CS (14) +#define SPITZ_GPIO_SYNC (16) +#define SPITZ_GPIO_MAX1111_CS (20) +#define SPITZ_GPIO_FATAL_BAT (21) +#define SPITZ_GPIO_HSYNC (22) +#define SPITZ_GPIO_nSD_CLK (32) +#define SPITZ_GPIO_USB_DEVICE (35) +#define SPITZ_GPIO_USB_HOST (37) +#define SPITZ_GPIO_USB_CONNECT (41) +#define SPITZ_GPIO_LCDCON_CS (53) +#define SPITZ_GPIO_nPCE (54) +#define SPITZ_GPIO_nSD_WP (81) +#define SPITZ_GPIO_ON_RESET (89) +#define SPITZ_GPIO_BAT_COVER (90) +#define SPITZ_GPIO_CF_CD (94) +#define SPITZ_GPIO_ON_KEY (95) +#define SPITZ_GPIO_SWA (97) +#define SPITZ_GPIO_SWB (96) +#define SPITZ_GPIO_CHRG_FULL (101) +#define SPITZ_GPIO_CO (101) +#define SPITZ_GPIO_CF_IRQ (105) +#define SPITZ_GPIO_AC_IN (115) +#define SPITZ_GPIO_HP_IN (116) + +/* Spitz Only GPIOs */ + +#define SPITZ_GPIO_CF2_IRQ (106) /* CF slot1 Ready */ +#define SPITZ_GPIO_CF2_CD (93) + + +/* Spitz/Akita Keyboard Definitions */ + +#define SPITZ_KEY_STROBE_NUM (11) +#define SPITZ_KEY_SENSE_NUM (7) +#define SPITZ_GPIO_G0_STROBE_BIT 0x0f800000 +#define SPITZ_GPIO_G1_STROBE_BIT 0x00100000 +#define SPITZ_GPIO_G2_STROBE_BIT 0x01000000 +#define SPITZ_GPIO_G3_STROBE_BIT 0x00041880 +#define SPITZ_GPIO_G0_SENSE_BIT 0x00021000 +#define SPITZ_GPIO_G1_SENSE_BIT 0x000000d4 +#define SPITZ_GPIO_G2_SENSE_BIT 0x08000000 +#define SPITZ_GPIO_G3_SENSE_BIT 0x00000000 + +#define SPITZ_GPIO_KEY_STROBE0 88 +#define SPITZ_GPIO_KEY_STROBE1 23 +#define SPITZ_GPIO_KEY_STROBE2 24 +#define SPITZ_GPIO_KEY_STROBE3 25 +#define SPITZ_GPIO_KEY_STROBE4 26 +#define SPITZ_GPIO_KEY_STROBE5 27 +#define SPITZ_GPIO_KEY_STROBE6 52 +#define SPITZ_GPIO_KEY_STROBE7 103 +#define SPITZ_GPIO_KEY_STROBE8 107 +#define SPITZ_GPIO_KEY_STROBE9 108 +#define SPITZ_GPIO_KEY_STROBE10 114 + +#define SPITZ_GPIO_KEY_SENSE0 12 +#define SPITZ_GPIO_KEY_SENSE1 17 +#define SPITZ_GPIO_KEY_SENSE2 91 +#define SPITZ_GPIO_KEY_SENSE3 34 +#define SPITZ_GPIO_KEY_SENSE4 36 +#define SPITZ_GPIO_KEY_SENSE5 38 +#define SPITZ_GPIO_KEY_SENSE6 39 + + +/* Spitz Scoop Device (No. 1) GPIOs */ +/* Suspend States in comments */ +#define SPITZ_SCP_LED_GREEN SCOOP_GPCR_PA11 /* Keep */ +#define SPITZ_SCP_JK_B SCOOP_GPCR_PA12 /* Keep */ +#define SPITZ_SCP_CHRG_ON SCOOP_GPCR_PA13 /* Keep */ +#define SPITZ_SCP_MUTE_L SCOOP_GPCR_PA14 /* Low */ +#define SPITZ_SCP_MUTE_R SCOOP_GPCR_PA15 /* Low */ +#define SPITZ_SCP_CF_POWER SCOOP_GPCR_PA16 /* Keep */ +#define SPITZ_SCP_LED_ORANGE SCOOP_GPCR_PA17 /* Keep */ +#define SPITZ_SCP_JK_A SCOOP_GPCR_PA18 /* Low */ +#define SPITZ_SCP_ADC_TEMP_ON SCOOP_GPCR_PA19 /* Low */ + +#define SPITZ_SCP_IO_DIR (SPITZ_SCP_JK_B | SPITZ_SCP_CHRG_ON | \ + SPITZ_SCP_MUTE_L | SPITZ_SCP_MUTE_R | \ + SPITZ_SCP_CF_POWER | SPITZ_SCP_JK_A | SPITZ_SCP_ADC_TEMP_ON) +#define SPITZ_SCP_IO_OUT (SPITZ_SCP_CHRG_ON | SPITZ_SCP_MUTE_L | SPITZ_SCP_MUTE_R) +#define SPITZ_SCP_SUS_CLR (SPITZ_SCP_MUTE_L | SPITZ_SCP_MUTE_R | SPITZ_SCP_JK_A | SPITZ_SCP_ADC_TEMP_ON) +#define SPITZ_SCP_SUS_SET 0 + +#define SPITZ_SCP_GPIO_BASE (PXA_NR_BUILTIN_GPIO) +#define SPITZ_GPIO_LED_GREEN (SPITZ_SCP_GPIO_BASE + 0) +#define SPITZ_GPIO_JK_B (SPITZ_SCP_GPIO_BASE + 1) +#define SPITZ_GPIO_CHRG_ON (SPITZ_SCP_GPIO_BASE + 2) +#define SPITZ_GPIO_MUTE_L (SPITZ_SCP_GPIO_BASE + 3) +#define SPITZ_GPIO_MUTE_R (SPITZ_SCP_GPIO_BASE + 4) +#define SPITZ_GPIO_CF_POWER (SPITZ_SCP_GPIO_BASE + 5) +#define SPITZ_GPIO_LED_ORANGE (SPITZ_SCP_GPIO_BASE + 6) +#define SPITZ_GPIO_JK_A (SPITZ_SCP_GPIO_BASE + 7) +#define SPITZ_GPIO_ADC_TEMP_ON (SPITZ_SCP_GPIO_BASE + 8) + +/* Spitz Scoop Device (No. 2) GPIOs */ +/* Suspend States in comments */ +#define SPITZ_SCP2_IR_ON SCOOP_GPCR_PA11 /* High */ +#define SPITZ_SCP2_AKIN_PULLUP SCOOP_GPCR_PA12 /* Keep */ +#define SPITZ_SCP2_RESERVED_1 SCOOP_GPCR_PA13 /* High */ +#define SPITZ_SCP2_RESERVED_2 SCOOP_GPCR_PA14 /* Low */ +#define SPITZ_SCP2_RESERVED_3 SCOOP_GPCR_PA15 /* Low */ +#define SPITZ_SCP2_RESERVED_4 SCOOP_GPCR_PA16 /* Low */ +#define SPITZ_SCP2_BACKLIGHT_CONT SCOOP_GPCR_PA17 /* Low */ +#define SPITZ_SCP2_BACKLIGHT_ON SCOOP_GPCR_PA18 /* Low */ +#define SPITZ_SCP2_MIC_BIAS SCOOP_GPCR_PA19 /* Low */ + +#define SPITZ_SCP2_IO_DIR (SPITZ_SCP2_AKIN_PULLUP | SPITZ_SCP2_RESERVED_1 | \ + SPITZ_SCP2_RESERVED_2 | SPITZ_SCP2_RESERVED_3 | SPITZ_SCP2_RESERVED_4 | \ + SPITZ_SCP2_BACKLIGHT_CONT | SPITZ_SCP2_BACKLIGHT_ON | SPITZ_SCP2_MIC_BIAS) + +#define SPITZ_SCP2_IO_OUT (SPITZ_SCP2_AKIN_PULLUP | SPITZ_SCP2_RESERVED_1) +#define SPITZ_SCP2_SUS_CLR (SPITZ_SCP2_RESERVED_2 | SPITZ_SCP2_RESERVED_3 | SPITZ_SCP2_RESERVED_4 | \ + SPITZ_SCP2_BACKLIGHT_CONT | SPITZ_SCP2_BACKLIGHT_ON | SPITZ_SCP2_MIC_BIAS) +#define SPITZ_SCP2_SUS_SET (SPITZ_SCP2_IR_ON | SPITZ_SCP2_RESERVED_1) + +#define SPITZ_SCP2_GPIO_BASE (PXA_NR_BUILTIN_GPIO + 12) +#define SPITZ_GPIO_IR_ON (SPITZ_SCP2_GPIO_BASE + 0) +#define SPITZ_GPIO_AKIN_PULLUP (SPITZ_SCP2_GPIO_BASE + 1) +#define SPITZ_GPIO_RESERVED_1 (SPITZ_SCP2_GPIO_BASE + 2) +#define SPITZ_GPIO_RESERVED_2 (SPITZ_SCP2_GPIO_BASE + 3) +#define SPITZ_GPIO_RESERVED_3 (SPITZ_SCP2_GPIO_BASE + 4) +#define SPITZ_GPIO_RESERVED_4 (SPITZ_SCP2_GPIO_BASE + 5) +#define SPITZ_GPIO_BACKLIGHT_CONT (SPITZ_SCP2_GPIO_BASE + 6) +#define SPITZ_GPIO_BACKLIGHT_ON (SPITZ_SCP2_GPIO_BASE + 7) +#define SPITZ_GPIO_MIC_BIAS (SPITZ_SCP2_GPIO_BASE + 8) + +/* Akita IO Expander GPIOs */ +#define AKITA_IOEXP_GPIO_BASE (PXA_NR_BUILTIN_GPIO + 12) +#define AKITA_GPIO_RESERVED_0 (AKITA_IOEXP_GPIO_BASE + 0) +#define AKITA_GPIO_RESERVED_1 (AKITA_IOEXP_GPIO_BASE + 1) +#define AKITA_GPIO_MIC_BIAS (AKITA_IOEXP_GPIO_BASE + 2) +#define AKITA_GPIO_BACKLIGHT_ON (AKITA_IOEXP_GPIO_BASE + 3) +#define AKITA_GPIO_BACKLIGHT_CONT (AKITA_IOEXP_GPIO_BASE + 4) +#define AKITA_GPIO_AKIN_PULLUP (AKITA_IOEXP_GPIO_BASE + 5) +#define AKITA_GPIO_IR_ON (AKITA_IOEXP_GPIO_BASE + 6) +#define AKITA_GPIO_RESERVED_7 (AKITA_IOEXP_GPIO_BASE + 7) + +/* Spitz IRQ Definitions */ + +#define SPITZ_IRQ_GPIO_KEY_INT PXA_GPIO_TO_IRQ(SPITZ_GPIO_KEY_INT) +#define SPITZ_IRQ_GPIO_AC_IN PXA_GPIO_TO_IRQ(SPITZ_GPIO_AC_IN) +#define SPITZ_IRQ_GPIO_AK_INT PXA_GPIO_TO_IRQ(SPITZ_GPIO_AK_INT) +#define SPITZ_IRQ_GPIO_HP_IN PXA_GPIO_TO_IRQ(SPITZ_GPIO_HP_IN) +#define SPITZ_IRQ_GPIO_TP_INT PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT) +#define SPITZ_IRQ_GPIO_SYNC PXA_GPIO_TO_IRQ(SPITZ_GPIO_SYNC) +#define SPITZ_IRQ_GPIO_ON_KEY PXA_GPIO_TO_IRQ(SPITZ_GPIO_ON_KEY) +#define SPITZ_IRQ_GPIO_SWA PXA_GPIO_TO_IRQ(SPITZ_GPIO_SWA) +#define SPITZ_IRQ_GPIO_SWB PXA_GPIO_TO_IRQ(SPITZ_GPIO_SWB) +#define SPITZ_IRQ_GPIO_BAT_COVER PXA_GPIO_TO_IRQ(SPITZ_GPIO_BAT_COVER) +#define SPITZ_IRQ_GPIO_FATAL_BAT PXA_GPIO_TO_IRQ(SPITZ_GPIO_FATAL_BAT) +#define SPITZ_IRQ_GPIO_CO PXA_GPIO_TO_IRQ(SPITZ_GPIO_CO) +#define SPITZ_IRQ_GPIO_CF_IRQ PXA_GPIO_TO_IRQ(SPITZ_GPIO_CF_IRQ) +#define SPITZ_IRQ_GPIO_CF_CD PXA_GPIO_TO_IRQ(SPITZ_GPIO_CF_CD) +#define SPITZ_IRQ_GPIO_CF2_IRQ PXA_GPIO_TO_IRQ(SPITZ_GPIO_CF2_IRQ) +#define SPITZ_IRQ_GPIO_nSD_INT PXA_GPIO_TO_IRQ(SPITZ_GPIO_nSD_INT) +#define SPITZ_IRQ_GPIO_nSD_DETECT PXA_GPIO_TO_IRQ(SPITZ_GPIO_nSD_DETECT) + +/* + * Shared data structures + */ +extern struct platform_device spitzssp_device; +extern struct sharpsl_charger_machinfo spitz_pm_machinfo; diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c new file mode 100644 index 0000000000..8bc4ea51a0 --- /dev/null +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -0,0 +1,255 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Battery and Power Management code for the Sharp SL-Cxx00 + * + * Copyright (c) 2005 Richard Purdie + */ + +#include <linux/module.h> +#include <linux/stat.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/gpio-pxa.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/apm-emulation.h> +#include <linux/spi/corgi_lcd.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include "spitz.h" +#include "pxa27x.h" +#include "sharpsl_pm.h" + +#include "generic.h" + +#define SHARPSL_CHARGE_ON_VOLT 0x99 /* 2.9V */ +#define SHARPSL_CHARGE_ON_TEMP 0xe0 /* 2.9V */ +#define SHARPSL_CHARGE_ON_ACIN_HIGH 0x9b /* 6V */ +#define SHARPSL_CHARGE_ON_ACIN_LOW 0x34 /* 2V */ +#define SHARPSL_FATAL_ACIN_VOLT 182 /* 3.45V */ +#define SHARPSL_FATAL_NOACIN_VOLT 170 /* 3.40V */ + +static int spitz_last_ac_status; + +static struct gpio spitz_charger_gpios[] = { + { SPITZ_GPIO_KEY_INT, GPIOF_IN, "Keyboard Interrupt" }, + { SPITZ_GPIO_SYNC, GPIOF_IN, "Sync" }, + { SPITZ_GPIO_AC_IN, GPIOF_IN, "Charger Detection" }, + { SPITZ_GPIO_ADC_TEMP_ON, GPIOF_OUT_INIT_LOW, "ADC Temp On" }, + { SPITZ_GPIO_JK_B, GPIOF_OUT_INIT_LOW, "JK B" }, + { SPITZ_GPIO_CHRG_ON, GPIOF_OUT_INIT_LOW, "Charger On" }, +}; + +static void spitz_charger_init(void) +{ + gpio_request_array(ARRAY_AND_SIZE(spitz_charger_gpios)); +} + +static void spitz_measure_temp(int on) +{ + gpio_set_value(SPITZ_GPIO_ADC_TEMP_ON, on); +} + +static void spitz_charge(int on) +{ + if (on) { + if (sharpsl_pm.flags & SHARPSL_SUSPENDED) { + gpio_set_value(SPITZ_GPIO_JK_B, 1); + gpio_set_value(SPITZ_GPIO_CHRG_ON, 0); + } else { + gpio_set_value(SPITZ_GPIO_JK_B, 0); + gpio_set_value(SPITZ_GPIO_CHRG_ON, 0); + } + } else { + gpio_set_value(SPITZ_GPIO_JK_B, 0); + gpio_set_value(SPITZ_GPIO_CHRG_ON, 1); + } +} + +static void spitz_discharge(int on) +{ + gpio_set_value(SPITZ_GPIO_JK_A, on); +} + +/* HACK - For unknown reasons, accurate voltage readings are only made with a load + on the power bus which the green led on spitz provides */ +static void spitz_discharge1(int on) +{ + gpio_set_value(SPITZ_GPIO_LED_GREEN, on); +} + +static unsigned long gpio18_config = GPIO18_GPIO; + +static void spitz_presuspend(void) +{ + spitz_last_ac_status = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); + + /* GPIO Sleep Register */ + PGSR0 = 0x00144018; + PGSR1 = 0x00EF0000; + if (machine_is_akita()) { + PGSR2 = 0x2121C000; + PGSR3 = 0x00600400; + } else { + PGSR2 = 0x0121C000; + PGSR3 = 0x00600000; + } + + PGSR0 &= ~SPITZ_GPIO_G0_STROBE_BIT; + PGSR1 &= ~SPITZ_GPIO_G1_STROBE_BIT; + PGSR2 &= ~SPITZ_GPIO_G2_STROBE_BIT; + PGSR3 &= ~SPITZ_GPIO_G3_STROBE_BIT; + PGSR2 |= GPIO_bit(SPITZ_GPIO_KEY_STROBE0); + + pxa2xx_mfp_config(&gpio18_config, 1); + gpio_request_one(18, GPIOF_OUT_INIT_HIGH, "Unknown"); + gpio_free(18); + + PRER = GPIO_bit(SPITZ_GPIO_KEY_INT); + PFER = GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET); + PWER = GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET) | PWER_RTC; + PKWR = GPIO_bit(SPITZ_GPIO_SYNC) | GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET); + PKSR = 0xffffffff; /* clear */ + + /* nRESET_OUT Disable */ + PSLR |= PSLR_SL_ROD; + + /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ + PCFR = PCFR_GPR_EN | PCFR_OPDE; +} + +static void spitz_postsuspend(void) +{ +} + +static int spitz_should_wakeup(unsigned int resume_on_alarm) +{ + int is_resume = 0; + int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); + + if (spitz_last_ac_status != acin) { + if (acin) { + /* charge on */ + sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG; + dev_dbg(sharpsl_pm.dev, "AC Inserted\n"); + } else { + /* charge off */ + dev_dbg(sharpsl_pm.dev, "AC Removed\n"); + sharpsl_pm_led(SHARPSL_LED_OFF); + sharpsl_pm.machinfo->charge(0); + sharpsl_pm.charge_mode = CHRG_OFF; + } + spitz_last_ac_status = acin; + /* Return to suspend as this must be what we were woken for */ + return 0; + } + + if (PEDR & GPIO_bit(SPITZ_GPIO_KEY_INT)) + is_resume |= GPIO_bit(SPITZ_GPIO_KEY_INT); + + if (PKSR & GPIO_bit(SPITZ_GPIO_SYNC)) + is_resume |= GPIO_bit(SPITZ_GPIO_SYNC); + + if (resume_on_alarm && (PEDR & PWER_RTC)) + is_resume |= PWER_RTC; + + dev_dbg(sharpsl_pm.dev, "is_resume: %x\n", is_resume); + return is_resume; +} + +static bool spitz_charger_wakeup(void) +{ + return !gpio_get_value(SPITZ_GPIO_KEY_INT) || + gpio_get_value(SPITZ_GPIO_SYNC); +} + +static unsigned long spitzpm_read_devdata(int type) +{ + switch (type) { + case SHARPSL_STATUS_ACIN: + return !gpio_get_value(SPITZ_GPIO_AC_IN); + case SHARPSL_STATUS_LOCK: + return gpio_get_value(sharpsl_pm.machinfo->gpio_batlock); + case SHARPSL_STATUS_CHRGFULL: + return gpio_get_value(sharpsl_pm.machinfo->gpio_batfull); + case SHARPSL_STATUS_FATAL: + return gpio_get_value(sharpsl_pm.machinfo->gpio_fatal); + case SHARPSL_ACIN_VOLT: + return sharpsl_pm_pxa_read_max1111(MAX1111_ACIN_VOLT); + case SHARPSL_BATT_TEMP: + return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_TEMP); + case SHARPSL_BATT_VOLT: + default: + return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_VOLT); + } +} + +struct sharpsl_charger_machinfo spitz_pm_machinfo = { + .init = spitz_charger_init, + .exit = NULL, + .gpio_batlock = SPITZ_GPIO_BAT_COVER, + .gpio_acin = SPITZ_GPIO_AC_IN, + .gpio_batfull = SPITZ_GPIO_CHRG_FULL, + .batfull_irq = 1, + .gpio_fatal = SPITZ_GPIO_FATAL_BAT, + .discharge = spitz_discharge, + .discharge1 = spitz_discharge1, + .charge = spitz_charge, + .measure_temp = spitz_measure_temp, + .presuspend = spitz_presuspend, + .postsuspend = spitz_postsuspend, + .read_devdata = spitzpm_read_devdata, + .charger_wakeup = spitz_charger_wakeup, + .should_wakeup = spitz_should_wakeup, +#if defined(CONFIG_LCD_CORGI) + .backlight_limit = corgi_lcd_limit_intensity, +#endif + .charge_on_volt = SHARPSL_CHARGE_ON_VOLT, + .charge_on_temp = SHARPSL_CHARGE_ON_TEMP, + .charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH, + .charge_acin_low = SHARPSL_CHARGE_ON_ACIN_LOW, + .fatal_acin_volt = SHARPSL_FATAL_ACIN_VOLT, + .fatal_noacin_volt= SHARPSL_FATAL_NOACIN_VOLT, + .bat_levels = 40, + .bat_levels_noac = sharpsl_battery_levels_noac, + .bat_levels_acin = sharpsl_battery_levels_acin, + .status_high_acin = 188, + .status_low_acin = 178, + .status_high_noac = 185, + .status_low_noac = 175, +}; + +static struct platform_device *spitzpm_device; + +static int spitzpm_init(void) +{ + int ret; + + if (!machine_is_spitz() && !machine_is_akita() + && !machine_is_borzoi()) + return -ENODEV; + + spitzpm_device = platform_device_alloc("sharpsl-pm", -1); + if (!spitzpm_device) + return -ENOMEM; + + spitzpm_device->dev.platform_data = &spitz_pm_machinfo; + ret = platform_device_add(spitzpm_device); + + if (ret) + platform_device_put(spitzpm_device); + + return ret; +} + +static void spitzpm_exit(void) +{ + platform_device_unregister(spitzpm_device); +} + +module_init(spitzpm_init); +module_exit(spitzpm_exit); diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S new file mode 100644 index 0000000000..ad32b9c0eb --- /dev/null +++ b/arch/arm/mach-pxa/standby.S @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * PXA27x standby mode + * + * Author: David Burrage + * + * 2005 (c) MontaVista Software, Inc. + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +#include "pxa2xx-regs.h" + + .text + +#ifdef CONFIG_PXA27x +ENTRY(pxa_cpu_standby) + ldr r0, =PSSR + mov r1, #(PSSR_PH | PSSR_STS) + mov r2, #PWRMODE_STANDBY + mov r3, #UNCACHED_PHYS_0 @ Read mem context in. + ldr ip, [r3] + b 1f + + .align 5 +1: mcr p14, 0, r2, c7, c0, 0 @ put the system into Standby + str r1, [r0] @ make sure PSSR_PH/STS are clear + ret lr + +#endif + +#ifdef CONFIG_PXA3xx + +#define PXA3_MDCNFG 0x0000 +#define PXA3_MDCNFG_DMCEN (1 << 30) +#define PXA3_DDR_HCAL 0x0060 +#define PXA3_DDR_HCAL_HCRNG 0x1f +#define PXA3_DDR_HCAL_HCPROG (1 << 28) +#define PXA3_DDR_HCAL_HCEN (1 << 31) +#define PXA3_DMCIER 0x0070 +#define PXA3_DMCIER_EDLP (1 << 29) +#define PXA3_DMCISR 0x0078 +#define PXA3_RCOMP 0x0100 +#define PXA3_RCOMP_SWEVAL (1 << 31) + +ENTRY(pm_enter_standby_start) + mov r1, #0xf6000000 @ DMEMC_REG_BASE (PXA3_MDCNFG) + add r1, r1, #0x00100000 + + /* + * Preload the TLB entry for accessing the dynamic memory + * controller registers. Note that page table lookups will + * fail until the dynamic memory controller has been + * reinitialised - and that includes MMU page table walks. + * This also means that only the dynamic memory controller + * can be reliably accessed in the code following standby. + */ + ldr r2, [r1] @ Dummy read PXA3_MDCNFG + + mcr p14, 0, r0, c7, c0, 0 + .rept 8 + nop + .endr + + ldr r0, [r1, #PXA3_DDR_HCAL] @ Clear (and wait for) HCEN + bic r0, r0, #PXA3_DDR_HCAL_HCEN + str r0, [r1, #PXA3_DDR_HCAL] +1: ldr r0, [r1, #PXA3_DDR_HCAL] + tst r0, #PXA3_DDR_HCAL_HCEN + bne 1b + + ldr r0, [r1, #PXA3_RCOMP] @ Initiate RCOMP + orr r0, r0, #PXA3_RCOMP_SWEVAL + str r0, [r1, #PXA3_RCOMP] + + mov r0, #~0 @ Clear interrupts + str r0, [r1, #PXA3_DMCISR] + + ldr r0, [r1, #PXA3_DMCIER] @ set DMIER[EDLP] + orr r0, r0, #PXA3_DMCIER_EDLP + str r0, [r1, #PXA3_DMCIER] + + ldr r0, [r1, #PXA3_DDR_HCAL] @ clear HCRNG, set HCPROG, HCEN + bic r0, r0, #PXA3_DDR_HCAL_HCRNG + orr r0, r0, #PXA3_DDR_HCAL_HCEN | PXA3_DDR_HCAL_HCPROG + str r0, [r1, #PXA3_DDR_HCAL] + +1: ldr r0, [r1, #PXA3_DMCISR] + tst r0, #PXA3_DMCIER_EDLP + beq 1b + + ldr r0, [r1, #PXA3_MDCNFG] @ set PXA3_MDCNFG[DMCEN] + orr r0, r0, #PXA3_MDCNFG_DMCEN + str r0, [r1, #PXA3_MDCNFG] +1: ldr r0, [r1, #PXA3_MDCNFG] + tst r0, #PXA3_MDCNFG_DMCEN + beq 1b + + ldr r0, [r1, #PXA3_DDR_HCAL] @ set PXA3_DDR_HCAL[HCRNG] + orr r0, r0, #2 @ HCRNG + str r0, [r1, #PXA3_DDR_HCAL] + + ldr r0, [r1, #PXA3_DMCIER] @ Clear the interrupt + bic r0, r0, #0x20000000 + str r0, [r1, #PXA3_DMCIER] + + ret lr +ENTRY(pm_enter_standby_end) + +#endif diff --git a/arch/arm/mach-pxa/udc.h b/arch/arm/mach-pxa/udc.h new file mode 100644 index 0000000000..9a827e32db --- /dev/null +++ b/arch/arm/mach-pxa/udc.h @@ -0,0 +1,8 @@ +/* + * arch/arm/mach-pxa/include/mach/udc.h + * + */ +#include <linux/platform_data/pxa2xx_udc.h> + +extern void pxa_set_udc_info(struct pxa2xx_udc_mach_info *info); + |