[ARM] 3280/1: OMAP: 2/3 Fix low-level io init for omap1 boards
[linux-2.6.git] / arch / arm / mach-omap1 / board-h3.c
1 /*
2  * linux/arch/arm/mach-omap1/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/platform_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 #include <asm/arch/common.h>
41
42 extern int omap_gpio_init(void);
43
44 static struct mtd_partition h3_partitions[] = {
45         /* bootloader (U-Boot, etc) in first sector */
46         {
47               .name             = "bootloader",
48               .offset           = 0,
49               .size             = SZ_128K,
50               .mask_flags       = MTD_WRITEABLE, /* force read-only */
51         },
52         /* bootloader params in the next sector */
53         {
54               .name             = "params",
55               .offset           = MTDPART_OFS_APPEND,
56               .size             = SZ_128K,
57               .mask_flags       = 0,
58         },
59         /* kernel */
60         {
61               .name             = "kernel",
62               .offset           = MTDPART_OFS_APPEND,
63               .size             = SZ_2M,
64               .mask_flags       = 0
65         },
66         /* file system */
67         {
68               .name             = "filesystem",
69               .offset           = MTDPART_OFS_APPEND,
70               .size             = MTDPART_SIZ_FULL,
71               .mask_flags       = 0
72         }
73 };
74
75 static struct flash_platform_data h3_flash_data = {
76         .map_name       = "cfi_probe",
77         .width          = 2,
78         .parts          = h3_partitions,
79         .nr_parts       = ARRAY_SIZE(h3_partitions),
80 };
81
82 static struct resource h3_flash_resource = {
83         /* This is on CS3, wherever it's mapped */
84         .flags          = IORESOURCE_MEM,
85 };
86
87 static struct platform_device flash_device = {
88         .name           = "omapflash",
89         .id             = 0,
90         .dev            = {
91                 .platform_data  = &h3_flash_data,
92         },
93         .num_resources  = 1,
94         .resource       = &h3_flash_resource,
95 };
96
97 static struct resource smc91x_resources[] = {
98         [0] = {
99                 .start  = OMAP1710_ETHR_START,          /* Physical */
100                 .end    = OMAP1710_ETHR_START + 0xf,
101                 .flags  = IORESOURCE_MEM,
102         },
103         [1] = {
104                 .start  = OMAP_GPIO_IRQ(40),
105                 .end    = OMAP_GPIO_IRQ(40),
106                 .flags  = IORESOURCE_IRQ,
107         },
108 };
109
110 static struct platform_device smc91x_device = {
111         .name           = "smc91x",
112         .id             = 0,
113         .num_resources  = ARRAY_SIZE(smc91x_resources),
114         .resource       = smc91x_resources,
115 };
116
117 #define GPTIMER_BASE            0xFFFB1400
118 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
119 #define GPTIMER_REGS_SIZE       0x46
120
121 static struct resource intlat_resources[] = {
122         [0] = {
123                 .start  = GPTIMER_REGS(0),            /* Physical */
124                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
125                 .flags  = IORESOURCE_MEM,
126         },
127         [1] = {
128                 .start  = INT_1610_GPTIMER1,
129                 .end    = INT_1610_GPTIMER1,
130                 .flags  = IORESOURCE_IRQ,
131         },
132 };
133
134 static struct platform_device intlat_device = {
135         .name      = "omap_intlat",
136         .id          = 0,
137         .num_resources  = ARRAY_SIZE(intlat_resources),
138         .resource       = intlat_resources,
139 };
140
141 static struct platform_device *devices[] __initdata = {
142         &flash_device,
143         &smc91x_device,
144         &intlat_device,
145 };
146
147 static struct omap_usb_config h3_usb_config __initdata = {
148         /* usb1 has a Mini-AB port and external isp1301 transceiver */
149         .otg        = 2,
150
151 #ifdef CONFIG_USB_GADGET_OMAP
152         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
153 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
154         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
155         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
156 #endif
157
158         .pins[1]        = 3,
159 };
160
161 static struct omap_mmc_config h3_mmc_config __initdata = {
162         .mmc[0] = {
163                 .enabled        = 1,
164                 .power_pin      = -1,   /* tps65010 GPIO4 */
165                 .switch_pin     = OMAP_MPUIO(1),
166         },
167 };
168
169 static struct omap_uart_config h3_uart_config __initdata = {
170         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
171 };
172
173 static struct omap_lcd_config h3_lcd_config __initdata = {
174         .panel_name     = "h3",
175         .ctrl_name      = "internal",
176 };
177
178 static struct omap_board_config_kernel h3_config[] = {
179         { OMAP_TAG_USB,         &h3_usb_config },
180         { OMAP_TAG_MMC,         &h3_mmc_config },
181         { OMAP_TAG_UART,        &h3_uart_config },
182         { OMAP_TAG_LCD,         &h3_lcd_config },
183 };
184
185 static void __init h3_init(void)
186 {
187         h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys();
188         h3_flash_resource.end += OMAP_CS3_SIZE - 1;
189         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
190         omap_board_config = h3_config;
191         omap_board_config_size = ARRAY_SIZE(h3_config);
192         omap_serial_init();
193 }
194
195 static void __init h3_init_smc91x(void)
196 {
197         omap_cfg_reg(W15_1710_GPIO40);
198         if (omap_request_gpio(40) < 0) {
199                 printk("Error requesting gpio 40 for smc91x irq\n");
200                 return;
201         }
202 }
203
204 void h3_init_irq(void)
205 {
206         omap1_init_common_hw();
207         omap_init_irq();
208         omap_gpio_init();
209         h3_init_smc91x();
210 }
211
212 static void __init h3_map_io(void)
213 {
214         omap1_map_common_io();
215 }
216
217 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
218         /* Maintainer: Texas Instruments, Inc. */
219         .phys_io        = 0xfff00000,
220         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
221         .boot_params    = 0x10000100,
222         .map_io         = h3_map_io,
223         .init_irq       = h3_init_irq,
224         .init_machine   = h3_init,
225         .timer          = &omap_timer,
226 MACHINE_END