diff options
Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa270.c')
-rw-r--r-- | arch/arm/mach-pxa/colibri-pxa270.c | 145 |
1 files changed, 145 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 000000000000..01bcfaae75bc --- /dev/null +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -0,0 +1,145 @@ +/* + * linux/arch/arm/mach-pxa/colibri-pxa270.c + * + * Support for Toradex PXA270 based Colibri module + * Daniel Mack <daniel@caiaq.de> + * + * 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/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/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 <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach/flash.h> + +#include <mach/pxa27x.h> +#include <mach/colibri.h> + +#include "generic.h" +#include "devices.h" + +/* + * GPIO configuration + */ +static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = { + GPIO78_nCS_2, /* Ethernet CS */ + GPIO114_GPIO, /* Ethernet IRQ */ +}; + +/* + * NOR flash + */ +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, +}; + +/* + * DM9000 Ethernet + */ +#if defined(CONFIG_DM9000) +static struct resource dm9000_resources[] = { + [0] = { + .start = COLIBRI_PXA270_ETH_PHYS, + .end = COLIBRI_PXA270_ETH_PHYS + 3, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = COLIBRI_PXA270_ETH_PHYS + 4, + .end = COLIBRI_PXA270_ETH_PHYS + 4 + 500, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = COLIBRI_PXA270_ETH_IRQ, + .end = COLIBRI_PXA270_ETH_IRQ, + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, + }, +}; + +static struct platform_device dm9000_device = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(dm9000_resources), + .resource = dm9000_resources, +}; +#endif /* CONFIG_DM9000 */ + +static struct platform_device *colibri_pxa270_devices[] __initdata = { + &colibri_pxa270_flash_device, +#if defined(CONFIG_DM9000) + &dm9000_device, +#endif +}; + +static void __init colibri_pxa270_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config)); + platform_add_devices(ARRAY_AND_SIZE(colibri_pxa270_devices)); +} + +MACHINE_START(COLIBRI, "Toradex Colibri PXA270") + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .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 + |