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-rw-r--r--arch/arm/mach-pxa/colibri-pxa270.c330
1 files changed, 330 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
new file mode 100644
index 000000000..2f2cd2ae4
--- /dev/null
+++ b/arch/arm/mach-pxa/colibri-pxa270.c
@@ -0,0 +1,330 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-pxa/colibri-pxa270.c
+ *
+ * Support for Toradex PXA270 based Colibri module
+ * Daniel Mack <daniel@caiaq.de>
+ * Marek Vasut <marek.vasut@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
+#include <linux/ucb1400.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach-types.h>
+#include <linux/sizes.h>
+
+#include <mach/audio.h>
+#include "colibri.h"
+#include "pxa27x.h"
+
+#include "devices.h"
+#include "generic.h"
+
+/******************************************************************************
+ * Evaluation board MFP
+ ******************************************************************************/
+#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
+static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+ GPIO0_GPIO, /* SD detect */
+
+ /* FFUART */
+ GPIO39_FFUART_TXD,
+ GPIO34_FFUART_RXD,
+
+ /* UHC */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
+ GPIO119_USBH2_PWR,
+ GPIO120_USBH2_PEN,
+
+ /* PCMCIA */
+ GPIO85_nPCE_1,
+ GPIO54_nPCE_2,
+ GPIO55_nPREG,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO49_nPWE,
+ GPIO48_nPOE,
+ GPIO57_nIOIS16,
+ GPIO56_nPWAIT,
+ GPIO104_PSKTSEL,
+ GPIO53_GPIO, /* RESET */
+ GPIO83_GPIO, /* BVD1 */
+ GPIO82_GPIO, /* BVD2 */
+ GPIO1_GPIO, /* READY */
+ GPIO84_GPIO, /* DETECT */
+ GPIO107_GPIO, /* PPEN */
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+};
+#else
+static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {};
+#endif
+
+#ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME
+static mfp_cfg_t income_pin_config[] __initdata = {
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+ GPIO0_GPIO, /* SD detect */
+ GPIO1_GPIO, /* SD read-only */
+
+ /* FFUART */
+ GPIO39_FFUART_TXD,
+ GPIO34_FFUART_RXD,
+
+ /* BFUART */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO45_BTUART_RTS,
+
+ /* STUART */
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ /* UHC */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
+
+ /* LCD */
+ GPIOxx_LCD_TFT_16BPP,
+
+ /* PWM */
+ GPIO16_PWM0_OUT,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* LED */
+ GPIO54_GPIO, /* LED A */
+ GPIO55_GPIO, /* LED B */
+};
+#else
+static mfp_cfg_t income_pin_config[] __initdata = {};
+#endif
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
+ /* Ethernet */
+ GPIO78_nCS_2, /* Ethernet CS */
+ GPIO114_GPIO, /* Ethernet IRQ */
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO95_AC97_nRESET,
+ GPIO98_AC97_SYSCLK,
+ GPIO113_GPIO, /* Touchscreen IRQ */
+};
+
+/******************************************************************************
+ * NOR Flash
+ ******************************************************************************/
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition colibri_partitions[] = {
+ {
+ .name = "Bootloader",
+ .offset = 0x00000000,
+ .size = 0x00040000,
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ }, {
+ .name = "Kernel",
+ .offset = 0x00040000,
+ .size = 0x00400000,
+ .mask_flags = 0
+ }, {
+ .name = "Rootfs",
+ .offset = 0x00440000,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0
+ }
+};
+
+static struct physmap_flash_data colibri_flash_data[] = {
+ {
+ .width = 4, /* bankwidth in bytes */
+ .parts = colibri_partitions,
+ .nr_parts = ARRAY_SIZE(colibri_partitions)
+ }
+};
+
+static struct resource colibri_pxa270_flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device colibri_pxa270_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = colibri_flash_data,
+ },
+ .resource = &colibri_pxa270_flash_resource,
+ .num_resources = 1,
+};
+
+static void __init colibri_pxa270_nor_init(void)
+{
+ platform_device_register(&colibri_pxa270_flash_device);
+}
+#else
+static inline void colibri_pxa270_nor_init(void) {}
+#endif
+
+/******************************************************************************
+ * Ethernet
+ ******************************************************************************/
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource colibri_pxa270_dm9000_resources[] = {
+ {
+ .start = PXA_CS2_PHYS,
+ .end = PXA_CS2_PHYS + 3,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PXA_CS2_PHYS + 4,
+ .end = PXA_CS2_PHYS + 4 + 500,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+ .end = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
+ },
+};
+
+static struct platform_device colibri_pxa270_dm9000_device = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources),
+ .resource = colibri_pxa270_dm9000_resources,
+};
+
+static void __init colibri_pxa270_eth_init(void)
+{
+ platform_device_register(&colibri_pxa270_dm9000_device);
+}
+#else
+static inline void colibri_pxa270_eth_init(void) {}
+#endif
+
+/******************************************************************************
+ * Audio and Touchscreen
+ ******************************************************************************/
+#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
+ defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
+ .reset_gpio = 95,
+};
+
+static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
+ .irq = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ),
+};
+
+static struct platform_device colibri_pxa270_ucb1400_device = {
+ .name = "ucb1400_core",
+ .id = -1,
+ .dev = {
+ .platform_data = &colibri_pxa270_ucb1400_pdata,
+ },
+};
+
+static void __init colibri_pxa270_tsc_init(void)
+{
+ pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
+ platform_device_register(&colibri_pxa270_ucb1400_device);
+}
+#else
+static inline void colibri_pxa270_tsc_init(void) {}
+#endif
+
+static int colibri_pxa270_baseboard;
+core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444);
+
+static void __init colibri_pxa270_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
+
+ colibri_pxa270_nor_init();
+ colibri_pxa270_eth_init();
+ colibri_pxa270_tsc_init();
+
+ switch (colibri_pxa270_baseboard) {
+ case COLIBRI_EVALBOARD:
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(
+ colibri_pxa270_evalboard_pin_config));
+ colibri_evalboard_init();
+ break;
+ case COLIBRI_PXA270_INCOME:
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config));
+ colibri_pxa270_income_boardinit();
+ break;
+ default:
+ printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
+ colibri_pxa270_baseboard);
+ }
+
+ regulator_has_full_constraints();
+}
+
+/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either
+ * with the INCOME mach type or with COLIBRI and the kernel parameter
+ * "colibri_pxa270_baseboard=1"
+ */
+static void __init colibri_pxa270_income_init(void)
+{
+ colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME;
+ colibri_pxa270_init();
+}
+
+MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
+ .atag_offset = 0x100,
+ .init_machine = colibri_pxa270_init,
+ .map_io = pxa27x_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
+
+MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
+ .atag_offset = 0x100,
+ .init_machine = colibri_pxa270_income_init,
+ .map_io = pxa27x_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
+
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