[ARM] pxa: separate GPIOs and their mode definitions to pxa2xx-gpio.h
[linux-2.6.git] / arch / arm / mach-pxa / colibri.c
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/pxa2xx-gpio.h>
33 #include <asm/arch/colibri.h>
34
35 #include "generic.h"
36 #include "devices.h"
37
38 /*
39  * Flash
40  */
41 static 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
60 static 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
68 static struct resource flash_resource = {
69         .start  = PXA_CS0_PHYS,
70         .end    = PXA_CS0_PHYS + SZ_32M - 1,
71         .flags  = IORESOURCE_MEM,
72 };
73
74 static 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  */
87 static 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,
101                 .flags  = IORESOURCE_IRQ,
102         },
103 };
104
105 static struct platform_device dm9000_device = {
106         .name           = "dm9000",
107         .id             = -1,
108         .num_resources  = ARRAY_SIZE(dm9000_resources),
109         .resource       = dm9000_resources,
110 };
111
112 static struct platform_device *colibri_devices[] __initdata = {
113         &flash_device,
114         &dm9000_device,
115 };
116
117 static 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);
122         set_irq_type(COLIBRI_ETH_IRQ, IRQT_FALLING);
123
124         platform_add_devices(colibri_devices, ARRAY_SIZE(colibri_devices));
125 }
126
127 MACHINE_START(COLIBRI, "Toradex Colibri PXA27x")
128         .phys_io        = 0x40000000,
129         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
130         .boot_params    = COLIBRI_SDRAM_BASE + 0x100,
131         .init_machine   = colibri_init,
132         .map_io         = pxa_map_io,
133         .init_irq       = pxa27x_init_irq,
134         .timer          = &pxa_timer,
135 MACHINE_END