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
  30 #include <mach/hardware.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <mach/gpio.h>
  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
  45 #define SDP2430_CS0_BASE        0x04000000
  46 #define SECONDARY_LCD_GPIO              147
  47
  48 static struct mtd_partition sdp2430_partitions[] = {
  49         /* bootloader (U-Boot, etc) in first sector */
  50         {
  51                 .name           = "bootloader",
  52                 .offset         = 0,
  53                 .size           = SZ_256K,
  54                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  55          },
  56         /* bootloader params in the next sector */
  57         {
  58                 .name           = "params",
  59                 .offset         = MTDPART_OFS_APPEND,
  60                 .size           = SZ_128K,
  61                 .mask_flags     = 0,
  62          },
  63         /* kernel */
  64         {
  65                 .name           = "kernel",
  66                 .offset         = MTDPART_OFS_APPEND,
  67                 .size           = SZ_2M,
  68                 .mask_flags     = 0
  69         },
  70         /* file system */
  71         {
  72                 .name           = "filesystem",
  73                 .offset         = MTDPART_OFS_APPEND,
  74                 .size           = MTDPART_SIZ_FULL,
  75                 .mask_flags     = 0
  76         }
  77 };
  78
  79 static struct physmap_flash_data sdp2430_flash_data = {
  80         .width          = 2,
  81         .parts          = sdp2430_partitions,
  82         .nr_parts       = ARRAY_SIZE(sdp2430_partitions),
  83 };
  84
  85 static struct resource sdp2430_flash_resource = {
  86         .start          = SDP2430_CS0_BASE,
  87         .end            = SDP2430_CS0_BASE + SZ_64M - 1,
  88         .flags          = IORESOURCE_MEM,
  89 };
  90
  91 static struct platform_device sdp2430_flash_device = {
  92         .name           = "physmap-flash",
  93         .id             = 0,
  94         .dev = {
  95                 .platform_data  = &sdp2430_flash_data,
  96         },
  97         .num_resources  = 1,
  98         .resource       = &sdp2430_flash_resource,
  99 };
 100
 101 static struct platform_device sdp2430_lcd_device = {
 102         .name           = "sdp2430_lcd",
 103         .id             = -1,
 104 };
 105
 106 static struct platform_device *sdp2430_devices[] __initdata = {
 107         &sdp2430_flash_device,
 108         &sdp2430_lcd_device,
 109 };
 110
 111 static struct omap_lcd_config sdp2430_lcd_config __initdata = {
 112         .ctrl_name      = "internal",
 113 };
 114
 115 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
 116
 117 static struct omap_smc91x_platform_data board_smc91x_data = {
 118         .cs             = 5,
 119         .gpio_irq       = 149,
 120         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 121                                 IORESOURCE_IRQ_LOWLEVEL,
 122
 123 };
 124
 125 static void __init board_smc91x_init(void)
 126 {
 127         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
 128         gpmc_smc91x_init(&board_smc91x_data);
 129 }
 130
 131 #else
 132
 133 static inline void board_smc91x_init(void)
 134 {
 135 }
 136
 137 #endif
 138
 139 static struct omap_board_config_kernel sdp2430_config[] __initdata = {
 140         {OMAP_TAG_LCD, &sdp2430_lcd_config},
 141 };
 142
 143 static void __init omap_2430sdp_init_early(void)
 144 {
 145         omap2_init_common_infrastructure();
 146         omap2_init_common_devices(NULL, NULL);
 147 }
 148
 149 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
 150         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 151 };
 152
 153 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 154 static struct regulator_init_data sdp2430_vmmc1 = {
 155         .constraints = {
 156                 .min_uV                 = 1850000,
 157                 .max_uV                 = 3150000,
 158                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 159                                         | REGULATOR_MODE_STANDBY,
 160                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 161                                         | REGULATOR_CHANGE_MODE
 162                                         | REGULATOR_CHANGE_STATUS,
 163         },
 164         .num_consumer_supplies  = ARRAY_SIZE(sdp2430_vmmc1_supplies),
 165         .consumer_supplies      = &sdp2430_vmmc1_supplies[0],
 166 };
 167
 168 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 169         .gpio_base      = OMAP_MAX_GPIO_LINES,
 170         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 171         .irq_end        = TWL4030_GPIO_IRQ_END,
 172 };
 173
 174 static struct twl4030_platform_data sdp2430_twldata = {
 175         .irq_base       = TWL4030_IRQ_BASE,
 176         .irq_end        = TWL4030_IRQ_END,
 177
 178         /* platform_data for children goes here */
 179         .gpio           = &sdp2430_gpio_data,
 180         .vmmc1          = &sdp2430_vmmc1,
 181 };
 182
 183 static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
 184         {
 185                 I2C_BOARD_INFO("twl4030", 0x48),
 186                 .flags = I2C_CLIENT_WAKE,
 187                 .irq = INT_24XX_SYS_NIRQ,
 188                 .platform_data = &sdp2430_twldata,
 189         },
 190 };
 191
 192 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 193         {
 194                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 195                 .flags = I2C_CLIENT_WAKE,
 196                 .irq = OMAP_GPIO_IRQ(78),
 197         },
 198 };
 199
 200 static int __init omap2430_i2c_init(void)
 201 {
 202         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 203                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 204         omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
 205                         ARRAY_SIZE(sdp2430_i2c_boardinfo));
 206         return 0;
 207 }
 208
 209 static struct omap2_hsmmc_info mmc[] __initdata = {
 210         {
 211                 .mmc            = 1,
 212                 .caps           = MMC_CAP_4_BIT_DATA,
 213                 .gpio_cd        = -EINVAL,
 214                 .gpio_wp        = -EINVAL,
 215                 .ext_clock      = 1,
 216         },
 217         {}      /* Terminator */
 218 };
 219
 220 static struct omap_musb_board_data musb_board_data = {
 221         .interface_type         = MUSB_INTERFACE_ULPI,
 222         .mode                   = MUSB_OTG,
 223         .power                  = 100,
 224 };
 225 static struct omap_usb_config sdp2430_usb_config __initdata = {
 226         .otg            = 1,
 227 #ifdef  CONFIG_USB_GADGET_OMAP
 228         .hmc_mode       = 0x0,
 229 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 230         .hmc_mode       = 0x1,
 231 #endif
 232         .pins[0]        = 3,
 233 };
 234
 235 #ifdef CONFIG_OMAP_MUX
 236 static struct omap_board_mux board_mux[] __initdata = {
 237         { .reg_offset = OMAP_MUX_TERMINATOR },
 238 };
 239 #endif
 240
 241 static void __init omap_2430sdp_init(void)
 242 {
 243         int ret;
 244
 245         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 246
 247         omap_board_config = sdp2430_config;
 248         omap_board_config_size = ARRAY_SIZE(sdp2430_config);
 249
 250         omap2430_i2c_init();
 251
 252         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 253         omap_serial_init();
 254         omap2_hsmmc_init(mmc);
 255         omap2_usbfs_init(&sdp2430_usb_config);
 256
 257         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 258         usb_musb_init(&musb_board_data);
 259
 260         board_smc91x_init();
 261
 262         /* Turn off secondary LCD backlight */
 263         ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
 264         if (ret == 0)
 265                 gpio_direction_output(SECONDARY_LCD_GPIO, 0);
 266 }
 267
 268 static void __init omap_2430sdp_map_io(void)
 269 {
 270         omap2_set_globals_243x();
 271         omap243x_map_common_io();
 272 }
 273
 274 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 275         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 276         .boot_params    = 0x80000100,
 277         .reserve        = omap_reserve,
 278         .map_io         = omap_2430sdp_map_io,
 279         .init_early     = omap_2430sdp_init_early,
 280         .init_irq       = omap_init_irq,
 281         .init_machine   = omap_2430sdp_init,
 282         .timer          = &omap_timer,
 283 MACHINE_END