Linux-2.6.12-rc2
[linux-2.6.git] / arch / arm / mach-omap / board-h3.c
1 /*
2  * linux/arch/arm/mach-omap/board-h3.c
3  *
4  * This file contains OMAP1710 H3 specific code.
5  *
6  * Copyright (C) 2004 Texas Instruments, Inc.
7  * Copyright (C) 2002 MontaVista Software, Inc.
8  * Copyright (C) 2001 RidgeRun, Inc.
9  * Author: RidgeRun, Inc.
10  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  */
16
17 #include <linux/config.h>
18 #include <linux/types.h>
19 #include <linux/init.h>
20 #include <linux/major.h>
21 #include <linux/kernel.h>
22 #include <linux/device.h>
23 #include <linux/errno.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/partitions.h>
26
27 #include <asm/setup.h>
28 #include <asm/page.h>
29 #include <asm/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/flash.h>
33 #include <asm/mach/map.h>
34
35 #include <asm/arch/gpio.h>
36 #include <asm/arch/irqs.h>
37 #include <asm/arch/mux.h>
38 #include <asm/arch/tc.h>
39 #include <asm/arch/usb.h>
40
41 #include "common.h"
42
43 extern int omap_gpio_init(void);
44
45 static int __initdata h3_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
46
47 static struct mtd_partition h3_partitions[] = {
48         /* bootloader (U-Boot, etc) in first sector */
49         {
50               .name             = "bootloader",
51               .offset           = 0,
52               .size             = SZ_128K,
53               .mask_flags       = MTD_WRITEABLE, /* force read-only */
54         },
55         /* bootloader params in the next sector */
56         {
57               .name             = "params",
58               .offset           = MTDPART_OFS_APPEND,
59               .size             = SZ_128K,
60               .mask_flags       = 0,
61         },
62         /* kernel */
63         {
64               .name             = "kernel",
65               .offset           = MTDPART_OFS_APPEND,
66               .size             = SZ_2M,
67               .mask_flags       = 0
68         },
69         /* file system */
70         {
71               .name             = "filesystem",
72               .offset           = MTDPART_OFS_APPEND,
73               .size             = MTDPART_SIZ_FULL,
74               .mask_flags       = 0
75         }
76 };
77
78 static struct flash_platform_data h3_flash_data = {
79         .map_name       = "cfi_probe",
80         .width          = 2,
81         .parts          = h3_partitions,
82         .nr_parts       = ARRAY_SIZE(h3_partitions),
83 };
84
85 static struct resource h3_flash_resource = {
86         .start          = OMAP_CS2B_PHYS,
87         .end            = OMAP_CS2B_PHYS + OMAP_CS2B_SIZE - 1,
88         .flags          = IORESOURCE_MEM,
89 };
90
91 static struct platform_device flash_device = {
92         .name           = "omapflash",
93         .id             = 0,
94         .dev            = {
95                 .platform_data  = &h3_flash_data,
96         },
97         .num_resources  = 1,
98         .resource       = &h3_flash_resource,
99 };
100
101 static struct resource smc91x_resources[] = {
102         [0] = {
103                 .start  = OMAP1710_ETHR_START,          /* Physical */
104                 .end    = OMAP1710_ETHR_START + 0xf,
105                 .flags  = IORESOURCE_MEM,
106         },
107         [1] = {
108                 .start  = OMAP_GPIO_IRQ(40),
109                 .end    = OMAP_GPIO_IRQ(40),
110                 .flags  = IORESOURCE_IRQ,
111         },
112 };
113
114 static struct platform_device smc91x_device = {
115         .name           = "smc91x",
116         .id             = 0,
117         .num_resources  = ARRAY_SIZE(smc91x_resources),
118         .resource       = smc91x_resources,
119 };
120
121 #define GPTIMER_BASE            0xFFFB1400
122 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
123 #define GPTIMER_REGS_SIZE       0x46
124
125 static struct resource intlat_resources[] = {
126         [0] = {
127                 .start  = GPTIMER_REGS(0),            /* Physical */
128                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
129                 .flags  = IORESOURCE_MEM,
130         },
131         [1] = {
132                 .start  = INT_1610_GPTIMER1,
133                 .end    = INT_1610_GPTIMER1,
134                 .flags  = IORESOURCE_IRQ,
135         },
136 };
137
138 static struct platform_device intlat_device = {
139         .name      = "omap_intlat",
140         .id          = 0,
141         .num_resources  = ARRAY_SIZE(intlat_resources),
142         .resource       = intlat_resources,
143 };
144
145 static struct platform_device *devices[] __initdata = {
146         &flash_device,
147         &smc91x_device,
148         &intlat_device,
149 };
150
151 static struct omap_usb_config h3_usb_config __initdata = {
152         /* usb1 has a Mini-AB port and external isp1301 transceiver */
153         .otg        = 2,
154
155 #ifdef CONFIG_USB_GADGET_OMAP
156         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
157 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
158         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
159         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
160 #endif
161
162         .pins[1]        = 3,
163 };
164
165 static struct omap_board_config_kernel h3_config[] = {
166         { OMAP_TAG_USB,  &h3_usb_config },
167 };
168
169 static void __init h3_init(void)
170 {
171         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
172 }
173
174 static void __init h3_init_smc91x(void)
175 {
176         omap_cfg_reg(W15_1710_GPIO40);
177         if (omap_request_gpio(40) < 0) {
178                 printk("Error requesting gpio 40 for smc91x irq\n");
179                 return;
180         }
181         omap_set_gpio_edge_ctrl(40, OMAP_GPIO_FALLING_EDGE);
182 }
183
184 void h3_init_irq(void)
185 {
186         omap_init_irq();
187         omap_gpio_init();
188         h3_init_smc91x();
189 }
190
191 static void __init h3_map_io(void)
192 {
193         omap_map_io();
194         omap_serial_init(h3_serial_ports);
195 }
196
197 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
198         MAINTAINER("Texas Instruments, Inc.")
199         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
200         BOOT_PARAMS(0x10000100)
201         MAPIO(h3_map_io)
202         INITIRQ(h3_init_irq)
203         INIT_MACHINE(h3_init)
204         .timer          = &omap_timer,
205 MACHINE_END