| Daniel Mack | 4e4fc05 | 2008-01-23 14:54:50 +0100 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-pxa/colibri.c |
| 3 | * |
| 4 | * Support for Toradex PXA27x based Colibri module |
| 5 | * Daniel Mack <daniel@caiaq.de> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/platform_device.h> |
| 15 | #include <linux/sysdev.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/bitops.h> |
| 18 | #include <linux/ioport.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/mtd/mtd.h> |
| 21 | #include <linux/mtd/partitions.h> |
| 22 | #include <linux/mtd/physmap.h> |
| 23 | #include <asm/mach-types.h> |
| 24 | #include <asm/hardware.h> |
| 25 | #include <asm/irq.h> |
| 26 | #include <asm/sizes.h> |
| 27 | #include <asm/mach/arch.h> |
| 28 | #include <asm/mach/map.h> |
| 29 | #include <asm/mach/irq.h> |
| 30 | #include <asm/mach/flash.h> |
| 31 | #include <asm/arch/pxa-regs.h> |
| 32 | #include <asm/arch/colibri.h> |
| 33 | |
| 34 | #include "generic.h" |
| 35 | #include "devices.h" |
| 36 | |
| 37 | /* |
| 38 | * Flash |
| 39 | */ |
| 40 | static struct mtd_partition colibri_partitions[] = { |
| 41 | { |
| 42 | .name = "Bootloader", |
| 43 | .offset = 0x00000000, |
| 44 | .size = 0x00040000, |
| 45 | .mask_flags = MTD_WRITEABLE /* force read-only */ |
| 46 | }, { |
| 47 | .name = "Kernel", |
| 48 | .offset = 0x00040000, |
| 49 | .size = 0x00400000, |
| 50 | .mask_flags = 0 |
| 51 | }, { |
| 52 | .name = "Rootfs", |
| 53 | .offset = 0x00440000, |
| 54 | .size = MTDPART_SIZ_FULL, |
| 55 | .mask_flags = 0 |
| 56 | } |
| 57 | }; |
| 58 | |
| 59 | static struct physmap_flash_data colibri_flash_data[] = { |
| 60 | { |
| 61 | .width = 4, /* bankwidth in bytes */ |
| 62 | .parts = colibri_partitions, |
| 63 | .nr_parts = ARRAY_SIZE(colibri_partitions) |
| 64 | } |
| 65 | }; |
| 66 | |
| 67 | static struct resource flash_resource = { |
| 68 | .start = PXA_CS0_PHYS, |
| 69 | .end = PXA_CS0_PHYS + SZ_32M - 1, |
| 70 | .flags = IORESOURCE_MEM, |
| 71 | }; |
| 72 | |
| 73 | static struct platform_device flash_device = { |
| 74 | .name = "physmap-flash", |
| 75 | .id = 0, |
| 76 | .dev = { |
| 77 | .platform_data = colibri_flash_data, |
| 78 | }, |
| 79 | .resource = &flash_resource, |
| 80 | .num_resources = 1, |
| 81 | }; |
| 82 | |
| 83 | /* |
| 84 | * DM9000 Ethernet |
| 85 | */ |
| 86 | static struct resource dm9000_resources[] = { |
| 87 | [0] = { |
| 88 | .start = COLIBRI_ETH_PHYS, |
| 89 | .end = COLIBRI_ETH_PHYS + 3, |
| 90 | .flags = IORESOURCE_MEM, |
| 91 | }, |
| 92 | [1] = { |
| 93 | .start = COLIBRI_ETH_PHYS + 4, |
| 94 | .end = COLIBRI_ETH_PHYS + 4 + 500, |
| 95 | .flags = IORESOURCE_MEM, |
| 96 | }, |
| 97 | [2] = { |
| 98 | .start = COLIBRI_ETH_IRQ, |
| 99 | .end = COLIBRI_ETH_IRQ, |
| 100 | .flags = IORESOURCE_IRQ, |
| 101 | }, |
| 102 | }; |
| 103 | |
| 104 | static struct platform_device dm9000_device = { |
| 105 | .name = "dm9000", |
| 106 | .id = -1, |
| 107 | .num_resources = ARRAY_SIZE(dm9000_resources), |
| 108 | .resource = dm9000_resources, |
| 109 | }; |
| 110 | |
| 111 | static struct platform_device *colibri_devices[] __initdata = { |
| 112 | &flash_device, |
| 113 | &dm9000_device, |
| 114 | }; |
| 115 | |
| 116 | static void __init colibri_init(void) |
| 117 | { |
| 118 | /* DM9000 LAN */ |
| 119 | pxa_gpio_mode(GPIO78_nCS_2_MD); |
| 120 | pxa_gpio_mode(GPIO_DM9000 | GPIO_IN); |
| 121 | set_irq_type(COLIBRI_ETH_IRQ, IRQT_FALLING); |
| 122 | |
| 123 | platform_add_devices(colibri_devices, ARRAY_SIZE(colibri_devices)); |
| 124 | } |
| 125 | |
| 126 | MACHINE_START(COLIBRI, "Toradex Colibri PXA27x") |
| 127 | .phys_io = 0x40000000, |
| 128 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 129 | .boot_params = COLIBRI_SDRAM_BASE + 0x100, |
| 130 | .init_machine = colibri_init, |
| 131 | .map_io = pxa_map_io, |
| 132 | .init_irq = pxa27x_init_irq, |
| 133 | .timer = &pxa_timer, |
| 134 | MACHINE_END |