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-rw-r--r--arch/arm/mach-pxa/lpd270.c518
1 files changed, 518 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
new file mode 100644
index 000000000..6fc40bc06
--- /dev/null
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -0,0 +1,518 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-pxa/lpd270.c
+ *
+ * Support for the LogicPD PXA270 Card Engine.
+ * Derived from the mainstone code, which carries these notices:
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 05, 2002
+ * Copyright: MontaVista Software Inc.
+ */
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/syscore_ops.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/bitops.h>
+#include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/pwm.h>
+#include <linux/pwm_backlight.h>
+#include <linux/smc91x.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.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 "pxa27x.h"
+#include "lpd270.h"
+#include <mach/audio.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include <mach/smemc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+static unsigned long lpd270_pin_config[] __initdata = {
+ /* Chip Selects */
+ GPIO15_nCS_1, /* Mainboard Flash */
+ GPIO78_nCS_2, /* CPLD + Ethernet */
+
+ /* LCD - 16bpp Active TFT */
+ 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,
+ GPIO74_LCD_FCLK,
+ GPIO75_LCD_LCLK,
+ GPIO76_LCD_PCLK,
+ GPIO77_LCD_BIAS,
+ GPIO16_PWM0_OUT, /* Backlight */
+
+ /* USB Host */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO45_AC97_SYSCLK,
+
+ GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
+};
+
+static unsigned int lpd270_irq_enabled;
+
+static void lpd270_mask_irq(struct irq_data *d)
+{
+ int lpd270_irq = d->irq - LPD270_IRQ(0);
+
+ __raw_writew(~(1 << lpd270_irq), LPD270_INT_STATUS);
+
+ lpd270_irq_enabled &= ~(1 << lpd270_irq);
+ __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
+}
+
+static void lpd270_unmask_irq(struct irq_data *d)
+{
+ int lpd270_irq = d->irq - LPD270_IRQ(0);
+
+ lpd270_irq_enabled |= 1 << lpd270_irq;
+ __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
+}
+
+static struct irq_chip lpd270_irq_chip = {
+ .name = "CPLD",
+ .irq_ack = lpd270_mask_irq,
+ .irq_mask = lpd270_mask_irq,
+ .irq_unmask = lpd270_unmask_irq,
+};
+
+static void lpd270_irq_handler(struct irq_desc *desc)
+{
+ unsigned int irq;
+ unsigned long pending;
+
+ pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
+ do {
+ /* clear useless edge notification */
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
+ if (likely(pending)) {
+ irq = LPD270_IRQ(0) + __ffs(pending);
+ generic_handle_irq(irq);
+
+ pending = __raw_readw(LPD270_INT_STATUS) &
+ lpd270_irq_enabled;
+ }
+ } while (pending);
+}
+
+static void __init lpd270_init_irq(void)
+{
+ int irq;
+
+ pxa27x_init_irq();
+
+ __raw_writew(0, LPD270_INT_MASK);
+ __raw_writew(0, LPD270_INT_STATUS);
+
+ /* setup extra LogicPD PXA270 irqs */
+ for (irq = LPD270_IRQ(2); irq <= LPD270_IRQ(4); irq++) {
+ irq_set_chip_and_handler(irq, &lpd270_irq_chip,
+ handle_level_irq);
+ irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE);
+ }
+ irq_set_chained_handler(PXA_GPIO_TO_IRQ(0), lpd270_irq_handler);
+ irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING);
+}
+
+
+#ifdef CONFIG_PM
+static void lpd270_irq_resume(void)
+{
+ __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
+}
+
+static struct syscore_ops lpd270_irq_syscore_ops = {
+ .resume = lpd270_irq_resume,
+};
+
+static int __init lpd270_irq_device_init(void)
+{
+ if (machine_is_logicpd_pxa270()) {
+ register_syscore_ops(&lpd270_irq_syscore_ops);
+ return 0;
+ }
+ return -ENODEV;
+}
+
+device_initcall(lpd270_irq_device_init);
+#endif
+
+
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .start = LPD270_ETH_PHYS,
+ .end = (LPD270_ETH_PHYS + 0xfffff),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = LPD270_ETHERNET_IRQ,
+ .end = LPD270_ETHERNET_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ },
+};
+
+struct smc91x_platdata smc91x_platdata = {
+ .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+ .dev.platform_data = &smc91x_platdata,
+};
+
+static struct resource lpd270_flash_resources[] = {
+ [0] = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PXA_CS1_PHYS,
+ .end = PXA_CS1_PHYS + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct mtd_partition lpd270_flash0_partitions[] = {
+ {
+ .name = "Bootloader",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ }, {
+ .name = "Kernel",
+ .size = 0x00400000,
+ .offset = 0x00040000,
+ }, {
+ .name = "Filesystem",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x00440000
+ },
+};
+
+static struct flash_platform_data lpd270_flash_data[2] = {
+ {
+ .name = "processor-flash",
+ .map_name = "cfi_probe",
+ .parts = lpd270_flash0_partitions,
+ .nr_parts = ARRAY_SIZE(lpd270_flash0_partitions),
+ }, {
+ .name = "mainboard-flash",
+ .map_name = "cfi_probe",
+ .parts = NULL,
+ .nr_parts = 0,
+ }
+};
+
+static struct platform_device lpd270_flash_device[2] = {
+ {
+ .name = "pxa2xx-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &lpd270_flash_data[0],
+ },
+ .resource = &lpd270_flash_resources[0],
+ .num_resources = 1,
+ }, {
+ .name = "pxa2xx-flash",
+ .id = 1,
+ .dev = {
+ .platform_data = &lpd270_flash_data[1],
+ },
+ .resource = &lpd270_flash_resources[1],
+ .num_resources = 1,
+ },
+};
+
+static struct pwm_lookup lpd270_pwm_lookup[] = {
+ PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
+ PWM_POLARITY_NORMAL),
+};
+
+static struct platform_pwm_backlight_data lpd270_backlight_data = {
+ .max_brightness = 1,
+ .dft_brightness = 1,
+};
+
+static struct platform_device lpd270_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &lpd270_backlight_data,
+ },
+};
+
+/* 5.7" TFT QVGA (LoLo display number 1) */
+static struct pxafb_mode_info sharp_lq057q3dc02_mode = {
+ .pixclock = 150000,
+ .xres = 320,
+ .yres = 240,
+ .bpp = 16,
+ .hsync_len = 0x14,
+ .left_margin = 0x28,
+ .right_margin = 0x0a,
+ .vsync_len = 0x02,
+ .upper_margin = 0x08,
+ .lower_margin = 0x14,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info sharp_lq057q3dc02 = {
+ .modes = &sharp_lq057q3dc02_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+};
+
+/* 12.1" TFT SVGA (LoLo display number 2) */
+static struct pxafb_mode_info sharp_lq121s1dg31_mode = {
+ .pixclock = 50000,
+ .xres = 800,
+ .yres = 600,
+ .bpp = 16,
+ .hsync_len = 0x05,
+ .left_margin = 0x52,
+ .right_margin = 0x05,
+ .vsync_len = 0x04,
+ .upper_margin = 0x14,
+ .lower_margin = 0x0a,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info sharp_lq121s1dg31 = {
+ .modes = &sharp_lq121s1dg31_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+};
+
+/* 3.6" TFT QVGA (LoLo display number 3) */
+static struct pxafb_mode_info sharp_lq036q1da01_mode = {
+ .pixclock = 150000,
+ .xres = 320,
+ .yres = 240,
+ .bpp = 16,
+ .hsync_len = 0x0e,
+ .left_margin = 0x04,
+ .right_margin = 0x0a,
+ .vsync_len = 0x03,
+ .upper_margin = 0x03,
+ .lower_margin = 0x03,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info sharp_lq036q1da01 = {
+ .modes = &sharp_lq036q1da01_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+};
+
+/* 6.4" TFT VGA (LoLo display number 5) */
+static struct pxafb_mode_info sharp_lq64d343_mode = {
+ .pixclock = 25000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 0x31,
+ .left_margin = 0x89,
+ .right_margin = 0x19,
+ .vsync_len = 0x12,
+ .upper_margin = 0x22,
+ .lower_margin = 0x00,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info sharp_lq64d343 = {
+ .modes = &sharp_lq64d343_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+};
+
+/* 10.4" TFT VGA (LoLo display number 7) */
+static struct pxafb_mode_info sharp_lq10d368_mode = {
+ .pixclock = 25000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 0x31,
+ .left_margin = 0x89,
+ .right_margin = 0x19,
+ .vsync_len = 0x12,
+ .upper_margin = 0x22,
+ .lower_margin = 0x00,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info sharp_lq10d368 = {
+ .modes = &sharp_lq10d368_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+};
+
+/* 3.5" TFT QVGA (LoLo display number 8) */
+static struct pxafb_mode_info sharp_lq035q7db02_20_mode = {
+ .pixclock = 150000,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+ .hsync_len = 0x0e,
+ .left_margin = 0x0a,
+ .right_margin = 0x0a,
+ .vsync_len = 0x03,
+ .upper_margin = 0x05,
+ .lower_margin = 0x14,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info sharp_lq035q7db02_20 = {
+ .modes = &sharp_lq035q7db02_20_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+};
+
+static struct pxafb_mach_info *lpd270_lcd_to_use;
+
+static int __init lpd270_set_lcd(char *str)
+{
+ if (!strncasecmp(str, "lq057q3dc02", 11)) {
+ lpd270_lcd_to_use = &sharp_lq057q3dc02;
+ } else if (!strncasecmp(str, "lq121s1dg31", 11)) {
+ lpd270_lcd_to_use = &sharp_lq121s1dg31;
+ } else if (!strncasecmp(str, "lq036q1da01", 11)) {
+ lpd270_lcd_to_use = &sharp_lq036q1da01;
+ } else if (!strncasecmp(str, "lq64d343", 8)) {
+ lpd270_lcd_to_use = &sharp_lq64d343;
+ } else if (!strncasecmp(str, "lq10d368", 8)) {
+ lpd270_lcd_to_use = &sharp_lq10d368;
+ } else if (!strncasecmp(str, "lq035q7db02-20", 14)) {
+ lpd270_lcd_to_use = &sharp_lq035q7db02_20;
+ } else {
+ printk(KERN_INFO "lpd270: unknown lcd panel [%s]\n", str);
+ }
+
+ return 1;
+}
+
+__setup("lcd=", lpd270_set_lcd);
+
+static struct platform_device *platform_devices[] __initdata = {
+ &smc91x_device,
+ &lpd270_backlight_device,
+ &lpd270_flash_device[0],
+ &lpd270_flash_device[1],
+};
+
+static struct pxaohci_platform_data lpd270_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+};
+
+static void __init lpd270_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(lpd270_pin_config));
+
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+
+ lpd270_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
+ lpd270_flash_data[1].width = 4;
+
+ /*
+ * System bus arbiter setting:
+ * - Core_Park
+ * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
+ */
+ ARB_CNTRL = ARB_CORE_PARK | 0x234;
+
+ pwm_add_table(lpd270_pwm_lookup, ARRAY_SIZE(lpd270_pwm_lookup));
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+
+ pxa_set_ac97_info(NULL);
+
+ if (lpd270_lcd_to_use != NULL)
+ pxa_set_fb_info(NULL, lpd270_lcd_to_use);
+
+ pxa_set_ohci_info(&lpd270_ohci_platform_data);
+}
+
+
+static struct map_desc lpd270_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)LPD270_CPLD_VIRT,
+ .pfn = __phys_to_pfn(LPD270_CPLD_PHYS),
+ .length = LPD270_CPLD_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init lpd270_map_io(void)
+{
+ pxa27x_map_io();
+ iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc));
+
+ /* for use I SRAM as framebuffer. */
+ PSLR |= 0x00000F04;
+ PCFR = 0x00000066;
+}
+
+MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
+ /* Maintainer: Peter Barada */
+ .atag_offset = 0x100,
+ .map_io = lpd270_map_io,
+ .nr_irqs = LPD270_NR_IRQS,
+ .init_irq = lpd270_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = lpd270_init,
+ .restart = pxa_restart,
+MACHINE_END
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