Merge branch 'depends/rmk/memory_h' into next/fixes
[linux-2.6.git] / arch / arm / mach-omap2 / board-2430sdp.c
1 /*
2  * linux/arch/arm/mach-omap2/board-2430sdp.c
3  *
4  * Copyright (C) 2006 Texas Instruments
5  *
6  * Modified from mach-omap2/board-generic.c
7  *
8  * Initial Code : Based on a patch from Komal Shah and Richard Woodruff
9  * Updated the Code for 2430 SDP : Syed Mohammed Khasim
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  */
15
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/mtd/physmap.h>
22 #include <linux/mmc/host.h>
23 #include <linux/delay.h>
24 #include <linux/i2c/twl.h>
25 #include <linux/regulator/machine.h>
26 #include <linux/err.h>
27 #include <linux/clk.h>
28 #include <linux/io.h>
29 #include <linux/gpio.h>
30
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35
36 #include <plat/board.h>
37 #include <plat/common.h>
38 #include <plat/gpmc.h>
39 #include <plat/usb.h>
40 #include <plat/gpmc-smc91x.h>
41
42 #include "mux.h"
43 #include "hsmmc.h"
44 #include "common-board-devices.h"
45
46 #define SDP2430_CS0_BASE        0x04000000
47 #define SECONDARY_LCD_GPIO              147
48
49 static struct mtd_partition sdp2430_partitions[] = {
50         /* bootloader (U-Boot, etc) in first sector */
51         {
52                 .name           = "bootloader",
53                 .offset         = 0,
54                 .size           = SZ_256K,
55                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
56          },
57         /* bootloader params in the next sector */
58         {
59                 .name           = "params",
60                 .offset         = MTDPART_OFS_APPEND,
61                 .size           = SZ_128K,
62                 .mask_flags     = 0,
63          },
64         /* kernel */
65         {
66                 .name           = "kernel",
67                 .offset         = MTDPART_OFS_APPEND,
68                 .size           = SZ_2M,
69                 .mask_flags     = 0
70         },
71         /* file system */
72         {
73                 .name           = "filesystem",
74                 .offset         = MTDPART_OFS_APPEND,
75                 .size           = MTDPART_SIZ_FULL,
76                 .mask_flags     = 0
77         }
78 };
79
80 static struct physmap_flash_data sdp2430_flash_data = {
81         .width          = 2,
82         .parts          = sdp2430_partitions,
83         .nr_parts       = ARRAY_SIZE(sdp2430_partitions),
84 };
85
86 static struct resource sdp2430_flash_resource = {
87         .start          = SDP2430_CS0_BASE,
88         .end            = SDP2430_CS0_BASE + SZ_64M - 1,
89         .flags          = IORESOURCE_MEM,
90 };
91
92 static struct platform_device sdp2430_flash_device = {
93         .name           = "physmap-flash",
94         .id             = 0,
95         .dev = {
96                 .platform_data  = &sdp2430_flash_data,
97         },
98         .num_resources  = 1,
99         .resource       = &sdp2430_flash_resource,
100 };
101
102 static struct platform_device sdp2430_lcd_device = {
103         .name           = "sdp2430_lcd",
104         .id             = -1,
105 };
106
107 static struct platform_device *sdp2430_devices[] __initdata = {
108         &sdp2430_flash_device,
109         &sdp2430_lcd_device,
110 };
111
112 static struct omap_lcd_config sdp2430_lcd_config __initdata = {
113         .ctrl_name      = "internal",
114 };
115
116 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
117
118 static struct omap_smc91x_platform_data board_smc91x_data = {
119         .cs             = 5,
120         .gpio_irq       = 149,
121         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
122                                 IORESOURCE_IRQ_LOWLEVEL,
123
124 };
125
126 static void __init board_smc91x_init(void)
127 {
128         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
129         gpmc_smc91x_init(&board_smc91x_data);
130 }
131
132 #else
133
134 static inline void board_smc91x_init(void)
135 {
136 }
137
138 #endif
139
140 static struct omap_board_config_kernel sdp2430_config[] __initdata = {
141         {OMAP_TAG_LCD, &sdp2430_lcd_config},
142 };
143
144 static void __init omap_2430sdp_init_early(void)
145 {
146         omap2_init_common_infrastructure();
147         omap2_init_common_devices(NULL, NULL);
148 }
149
150 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
151         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
152 };
153
154 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
155 static struct regulator_init_data sdp2430_vmmc1 = {
156         .constraints = {
157                 .min_uV                 = 1850000,
158                 .max_uV                 = 3150000,
159                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
160                                         | REGULATOR_MODE_STANDBY,
161                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
162                                         | REGULATOR_CHANGE_MODE
163                                         | REGULATOR_CHANGE_STATUS,
164         },
165         .num_consumer_supplies  = ARRAY_SIZE(sdp2430_vmmc1_supplies),
166         .consumer_supplies      = &sdp2430_vmmc1_supplies[0],
167 };
168
169 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
170         .gpio_base      = OMAP_MAX_GPIO_LINES,
171         .irq_base       = TWL4030_GPIO_IRQ_BASE,
172         .irq_end        = TWL4030_GPIO_IRQ_END,
173 };
174
175 static struct twl4030_platform_data sdp2430_twldata = {
176         .irq_base       = TWL4030_IRQ_BASE,
177         .irq_end        = TWL4030_IRQ_END,
178
179         /* platform_data for children goes here */
180         .gpio           = &sdp2430_gpio_data,
181         .vmmc1          = &sdp2430_vmmc1,
182 };
183
184 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
185         {
186                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
187                 .flags = I2C_CLIENT_WAKE,
188                 .irq = OMAP_GPIO_IRQ(78),
189         },
190 };
191
192 static int __init omap2430_i2c_init(void)
193 {
194         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
195                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
196         omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
197                         &sdp2430_twldata);
198         return 0;
199 }
200
201 static struct omap2_hsmmc_info mmc[] __initdata = {
202         {
203                 .mmc            = 1,
204                 .caps           = MMC_CAP_4_BIT_DATA,
205                 .gpio_cd        = -EINVAL,
206                 .gpio_wp        = -EINVAL,
207                 .ext_clock      = 1,
208         },
209         {}      /* Terminator */
210 };
211
212 static struct omap_usb_config sdp2430_usb_config __initdata = {
213         .otg            = 1,
214 #ifdef  CONFIG_USB_GADGET_OMAP
215         .hmc_mode       = 0x0,
216 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
217         .hmc_mode       = 0x1,
218 #endif
219         .pins[0]        = 3,
220 };
221
222 #ifdef CONFIG_OMAP_MUX
223 static struct omap_board_mux board_mux[] __initdata = {
224         { .reg_offset = OMAP_MUX_TERMINATOR },
225 };
226 #endif
227
228 static void __init omap_2430sdp_init(void)
229 {
230         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
231
232         omap_board_config = sdp2430_config;
233         omap_board_config_size = ARRAY_SIZE(sdp2430_config);
234
235         omap2430_i2c_init();
236
237         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
238         omap_serial_init();
239         omap2_hsmmc_init(mmc);
240         omap2_usbfs_init(&sdp2430_usb_config);
241
242         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
243         usb_musb_init(NULL);
244
245         board_smc91x_init();
246
247         /* Turn off secondary LCD backlight */
248         gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
249                          "Secondary LCD backlight");
250 }
251
252 static void __init omap_2430sdp_map_io(void)
253 {
254         omap2_set_globals_243x();
255         omap243x_map_common_io();
256 }
257
258 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
259         /* Maintainer: Syed Khasim - Texas Instruments Inc */
260         .atag_offset    = 0x100,
261         .reserve        = omap_reserve,
262         .map_io         = omap_2430sdp_map_io,
263         .init_early     = omap_2430sdp_init_early,
264         .init_irq       = omap2_init_irq,
265         .init_machine   = omap_2430sdp_init,
266         .timer          = &omap2_timer,
267 MACHINE_END