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         omap2_pmic_init("twl4030", &sdp2430_twldata);
 197         return 0;
 198 }
 199
 200 static struct omap2_hsmmc_info mmc[] __initdata = {
 201         {
 202                 .mmc            = 1,
 203                 .caps           = MMC_CAP_4_BIT_DATA,
 204                 .gpio_cd        = -EINVAL,
 205                 .gpio_wp        = -EINVAL,
 206                 .ext_clock      = 1,
 207         },
 208         {}      /* Terminator */
 209 };
 210
 211 static struct omap_usb_config sdp2430_usb_config __initdata = {
 212         .otg            = 1,
 213 #ifdef  CONFIG_USB_GADGET_OMAP
 214         .hmc_mode       = 0x0,
 215 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 216         .hmc_mode       = 0x1,
 217 #endif
 218         .pins[0]        = 3,
 219 };
 220
 221 #ifdef CONFIG_OMAP_MUX
 222 static struct omap_board_mux board_mux[] __initdata = {
 223         { .reg_offset = OMAP_MUX_TERMINATOR },
 224 };
 225 #endif
 226
 227 static void __init omap_2430sdp_init(void)
 228 {
 229         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 230
 231         omap_board_config = sdp2430_config;
 232         omap_board_config_size = ARRAY_SIZE(sdp2430_config);
 233
 234         omap2430_i2c_init();
 235
 236         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 237         omap_serial_init();
 238         omap2_hsmmc_init(mmc);
 239         omap2_usbfs_init(&sdp2430_usb_config);
 240
 241         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 242         usb_musb_init(NULL);
 243
 244         board_smc91x_init();
 245
 246         /* Turn off secondary LCD backlight */
 247         gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
 248                          "Secondary LCD backlight");
 249 }
 250
 251 static void __init omap_2430sdp_map_io(void)
 252 {
 253         omap2_set_globals_243x();
 254         omap243x_map_common_io();
 255 }
 256
 257 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 258         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 259         .boot_params    = 0x80000100,
 260         .reserve        = omap_reserve,
 261         .map_io         = omap_2430sdp_map_io,
 262         .init_early     = omap_2430sdp_init_early,
 263         .init_irq       = omap2_init_irq,
 264         .init_machine   = omap_2430sdp_init,
 265         .timer          = &omap2_timer,
 266 MACHINE_END