9533c36a92df2e6cf57e5b24664b1ff10bcd640d
[linux-2.6.git] / arch / arm / mach-omap1 / board-h2.c
1 /*
2  * linux/arch/arm/mach-omap1/board-h2.c
3  *
4  * Board specific inits for OMAP-1610 H2
5  *
6  * Copyright (C) 2001 RidgeRun, Inc.
7  * Author: Greg Lonnon <glonnon@ridgerun.com>
8  *
9  * Copyright (C) 2002 MontaVista Software, Inc.
10  *
11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
13  *
14  * H2 specific changes and cleanup
15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
16  *
17  * This program is free software; you can redistribute it and/or modify
18  * it under the terms of the GNU General Public License version 2 as
19  * published by the Free Software Foundation.
20  */
21
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/partitions.h>
28
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/mux.h>
37 #include <asm/arch/tc.h>
38 #include <asm/arch/usb.h>
39 #include <asm/arch/common.h>
40
41 extern int omap_gpio_init(void);
42
43 static struct mtd_partition h2_partitions[] = {
44         /* bootloader (U-Boot, etc) in first sector */
45         {
46               .name             = "bootloader",
47               .offset           = 0,
48               .size             = SZ_128K,
49               .mask_flags       = MTD_WRITEABLE, /* force read-only */
50         },
51         /* bootloader params in the next sector */
52         {
53               .name             = "params",
54               .offset           = MTDPART_OFS_APPEND,
55               .size             = SZ_128K,
56               .mask_flags       = 0,
57         },
58         /* kernel */
59         {
60               .name             = "kernel",
61               .offset           = MTDPART_OFS_APPEND,
62               .size             = SZ_2M,
63               .mask_flags       = 0
64         },
65         /* file system */
66         {
67               .name             = "filesystem",
68               .offset           = MTDPART_OFS_APPEND,
69               .size             = MTDPART_SIZ_FULL,
70               .mask_flags       = 0
71         }
72 };
73
74 static struct flash_platform_data h2_flash_data = {
75         .map_name       = "cfi_probe",
76         .width          = 2,
77         .parts          = h2_partitions,
78         .nr_parts       = ARRAY_SIZE(h2_partitions),
79 };
80
81 static struct resource h2_flash_resource = {
82         /* This is on CS3, wherever it's mapped */
83         .flags          = IORESOURCE_MEM,
84 };
85
86 static struct platform_device h2_flash_device = {
87         .name           = "omapflash",
88         .id             = 0,
89         .dev            = {
90                 .platform_data  = &h2_flash_data,
91         },
92         .num_resources  = 1,
93         .resource       = &h2_flash_resource,
94 };
95
96 static struct resource h2_smc91x_resources[] = {
97         [0] = {
98                 .start  = OMAP1610_ETHR_START,          /* Physical */
99                 .end    = OMAP1610_ETHR_START + 0xf,
100                 .flags  = IORESOURCE_MEM,
101         },
102         [1] = {
103                 .start  = OMAP_GPIO_IRQ(0),
104                 .end    = OMAP_GPIO_IRQ(0),
105                 .flags  = IORESOURCE_IRQ,
106         },
107 };
108
109 static struct platform_device h2_smc91x_device = {
110         .name           = "smc91x",
111         .id             = 0,
112         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
113         .resource       = h2_smc91x_resources,
114 };
115
116 static struct platform_device *h2_devices[] __initdata = {
117         &h2_flash_device,
118         &h2_smc91x_device,
119 };
120
121 static void __init h2_init_smc91x(void)
122 {
123         if ((omap_request_gpio(0)) < 0) {
124                 printk("Error requesting gpio 0 for smc91x irq\n");
125                 return;
126         }
127 }
128
129 static void __init h2_init_irq(void)
130 {
131         omap_init_irq();
132         omap_gpio_init();
133         h2_init_smc91x();
134 }
135
136 static struct omap_usb_config h2_usb_config __initdata = {
137         /* usb1 has a Mini-AB port and external isp1301 transceiver */
138         .otg            = 2,
139
140 #ifdef  CONFIG_USB_GADGET_OMAP
141         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
142         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
143 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
144         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
145         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
146 #endif
147
148         .pins[1]        = 3,
149 };
150
151 static struct omap_mmc_config h2_mmc_config __initdata = {
152         .mmc [0] = {
153                 .enabled        = 1,
154                 .wire4          = 1,
155                 .wp_pin         = OMAP_MPUIO(3),
156                 .power_pin      = -1,   /* tps65010 gpio3 */
157                 .switch_pin     = OMAP_MPUIO(1),
158         },
159 };
160
161 static struct omap_uart_config h2_uart_config __initdata = {
162         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
163 };
164
165 static struct omap_lcd_config h2_lcd_config __initdata = {
166         .panel_name     = "h2",
167         .ctrl_name      = "internal",
168 };
169
170 static struct omap_board_config_kernel h2_config[] = {
171         { OMAP_TAG_USB,           &h2_usb_config },
172         { OMAP_TAG_MMC,           &h2_mmc_config },
173         { OMAP_TAG_UART,        &h2_uart_config },
174         { OMAP_TAG_LCD,         &h2_lcd_config },
175 };
176
177 static void __init h2_init(void)
178 {
179         /* NOTE: revC boards support NAND-boot, which can put NOR on CS2B
180          * and NAND (either 16bit or 8bit) on CS3.
181          */
182         h2_flash_resource.end = h2_flash_resource.start = omap_cs3_phys();
183         h2_flash_resource.end += SZ_32M - 1;
184
185         /* MMC:  card detect and WP */
186         // omap_cfg_reg(U19_ARMIO1);            /* CD */
187         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
188
189         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
190         omap_board_config = h2_config;
191         omap_board_config_size = ARRAY_SIZE(h2_config);
192         omap_serial_init();
193 }
194
195 static void __init h2_map_io(void)
196 {
197         omap_map_common_io();
198 }
199
200 MACHINE_START(OMAP_H2, "TI-H2")
201         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
202         .phys_io        = 0xfff00000,
203         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
204         .boot_params    = 0x10000100,
205         .map_io         = h2_map_io,
206         .init_irq       = h2_init_irq,
207         .init_machine   = h2_init,
208         .timer          = &omap_timer,
209 MACHINE_END