From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-pxa/colibri-pxa270.c | 323 +++++++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 arch/arm/mach-pxa/colibri-pxa270.c (limited to 'arch/arm/mach-pxa/colibri-pxa270.c') diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c new file mode 100644 index 00000000..7545a48e --- /dev/null +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -0,0 +1,323 @@ +/* + * linux/arch/arm/mach-pxa/colibri-pxa270.c + * + * Support for Toradex PXA270 based Colibri module + * Daniel Mack + * Marek Vasut + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#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 = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ), + .end = 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 = 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); + } +} + +/* 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") + .boot_params = COLIBRI_SDRAM_BASE + 0x100, + .init_machine = colibri_pxa270_init, + .map_io = pxa27x_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, +MACHINE_END + +MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC") + .boot_params = 0xa0000100, + .init_machine = colibri_pxa270_income_init, + .map_io = pxa27x_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, +MACHINE_END + -- cgit v1.2.3