diff options
Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa270.c')
| -rw-r--r-- | arch/arm/mach-pxa/colibri-pxa270.c | 176 |
1 files changed, 128 insertions, 48 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c index 061c45316de8..98673ac6efd0 100644 --- a/arch/arm/mach-pxa/colibri-pxa270.c +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -3,6 +3,7 @@ * * 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 @@ -10,49 +11,55 @@ */ #include <linux/init.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/sysdev.h> #include <linux/interrupt.h> -#include <linux/bitops.h> -#include <linux/ioport.h> -#include <linux/delay.h> +#include <linux/kernel.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> -#include <linux/gpio.h> -#include <asm/mach-types.h> -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/sizes.h> +#include <linux/platform_device.h> +#include <linux/sysdev.h> +#include <linux/ucb1400.h> + #include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> #include <asm/mach/flash.h> +#include <asm/mach-types.h> +#include <asm/sizes.h> -#include <mach/pxa27x.h> +#include <mach/audio.h> #include <mach/colibri.h> +#include <mach/pxa27x.h> -#include "generic.h" #include "devices.h" +#include "generic.h" -/* - * GPIO configuration - */ +/****************************************************************************** + * 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 - */ +/****************************************************************************** + * 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 */ + .mask_flags = MTD_WRITEABLE /* force read-only */ }, { .name = "Kernel", .offset = 0x00040000, @@ -90,50 +97,113 @@ static struct platform_device colibri_pxa270_flash_device = { .num_resources = 1, }; -/* - * DM9000 Ethernet - */ -#if defined(CONFIG_DM9000) -static struct resource dm9000_resources[] = { - [0] = { - .start = COLIBRI_PXA270_ETH_PHYS, - .end = COLIBRI_PXA270_ETH_PHYS + 3, +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, }, - [1] = { - .start = COLIBRI_PXA270_ETH_PHYS + 4, - .end = COLIBRI_PXA270_ETH_PHYS + 4 + 500, + { + .start = PXA_CS2_PHYS + 4, + .end = PXA_CS2_PHYS + 4 + 500, .flags = IORESOURCE_MEM, }, - [2] = { - .start = COLIBRI_PXA270_ETH_IRQ, - .end = COLIBRI_PXA270_ETH_IRQ, + { + .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 dm9000_device = { +static struct platform_device colibri_pxa270_dm9000_device = { .name = "dm9000", .id = -1, - .num_resources = ARRAY_SIZE(dm9000_resources), - .resource = dm9000_resources, + .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources), + .resource = colibri_pxa270_dm9000_resources, }; -#endif /* CONFIG_DM9000 */ -static struct platform_device *colibri_pxa270_devices[] __initdata = { - &colibri_pxa270_flash_device, -#if defined(CONFIG_DM9000) - &dm9000_device, +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)); - pxa_set_ffuart_info(NULL); - pxa_set_btuart_info(NULL); - pxa_set_stuart_info(NULL); - platform_add_devices(ARRAY_AND_SIZE(colibri_pxa270_devices)); + + 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") @@ -146,3 +216,13 @@ MACHINE_START(COLIBRI, "Toradex Colibri PXA270") .timer = &pxa_timer, MACHINE_END +MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC") + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .init_machine = colibri_pxa270_income_init, + .map_io = pxa_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, +MACHINE_END + |