/* * 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> * * 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 <linux/init.h> #include <linux/interrupt.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/sysdev.h> #include <linux/ucb1400.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach-types.h> #include <asm/sizes.h> #include <mach/audio.h> #include <mach/colibri.h> #include <mach/pxa27x.h> #include "devices.h" #include "generic.h" /****************************************************************************** * 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_PXA270_EVALBOARD: colibri_pxa270_evalboard_init(); break; case COLIBRI_PXA270_INCOME: 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 = pxa_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 = pxa_map_io, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, MACHINE_END