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gerrit-public.fairphone.software / kernel / msm-4.9 / a09e64fbc0094e3073dbb09c3b4bfe4ab669244b / . / arch / arm / mach-pxa / colibri.c
blob: abce13c846c5e4c8315a830df7aa05681d598323 [file] [log] [blame]
Daniel Mack4e4fc052008-01-23 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>
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame^]24#include <mach/hardware.h>
Daniel Mack4e4fc052008-01-23 14:54:50 +0100[diff] [blame]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>
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame^]31#include <mach/pxa-regs.h>
32#include <mach/pxa2xx-gpio.h>
33#include <mach/colibri.h>
Daniel Mack4e4fc052008-01-23 14:54:50 +0100[diff] [blame]34
35#include "generic.h"
36#include "devices.h"
37
38/*
39 * Flash
40 */
41static struct mtd_partition colibri_partitions[] = {
42 {
43 .name = "Bootloader",
44 .offset = 0x00000000,
45 .size = 0x00040000,
46 .mask_flags = MTD_WRITEABLE /* force read-only */
47 }, {
48 .name = "Kernel",
49 .offset = 0x00040000,
50 .size = 0x00400000,
51 .mask_flags = 0
52 }, {
53 .name = "Rootfs",
54 .offset = 0x00440000,
55 .size = MTDPART_SIZ_FULL,
56 .mask_flags = 0
57 }
58};
59
60static struct physmap_flash_data colibri_flash_data[] = {
61 {
62 .width = 4, /* bankwidth in bytes */
63 .parts = colibri_partitions,
64 .nr_parts = ARRAY_SIZE(colibri_partitions)
65 }
66};
67
68static struct resource flash_resource = {
69 .start = PXA_CS0_PHYS,
70 .end = PXA_CS0_PHYS + SZ_32M - 1,
71 .flags = IORESOURCE_MEM,
72};
73
74static struct platform_device flash_device = {
75 .name = "physmap-flash",
76 .id = 0,
77 .dev = {
78 .platform_data = colibri_flash_data,
79 },
80 .resource = &flash_resource,
81 .num_resources = 1,
82};
83
84/*
85 * DM9000 Ethernet
86 */
87static struct resource dm9000_resources[] = {
88 [0] = {
89 .start = COLIBRI_ETH_PHYS,
90 .end = COLIBRI_ETH_PHYS + 3,
91 .flags = IORESOURCE_MEM,
92 },
93 [1] = {
94 .start = COLIBRI_ETH_PHYS + 4,
95 .end = COLIBRI_ETH_PHYS + 4 + 500,
96 .flags = IORESOURCE_MEM,
97 },
98 [2] = {
99 .start = COLIBRI_ETH_IRQ,
100 .end = COLIBRI_ETH_IRQ,
Michael Abbottd0afc852008-05-14 16:29:24 -0700[diff] [blame]101 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
Daniel Mack4e4fc052008-01-23 14:54:50 +0100[diff] [blame]102 },
103};
104
105static struct platform_device dm9000_device = {
106 .name = "dm9000",
107 .id = -1,
108 .num_resources = ARRAY_SIZE(dm9000_resources),
109 .resource = dm9000_resources,
110};
111
112static struct platform_device *colibri_devices[] __initdata = {
113 &flash_device,
114 &dm9000_device,
115};
116
117static void __init colibri_init(void)
118{
119 /* DM9000 LAN */
120 pxa_gpio_mode(GPIO78_nCS_2_MD);
121 pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
Daniel Mack4e4fc052008-01-23 14:54:50 +0100[diff] [blame]122
123 platform_add_devices(colibri_devices, ARRAY_SIZE(colibri_devices));
124}
125
126MACHINE_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,
134MACHINE_END