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/err.h>
  26 #include <linux/clk.h>
  27 #include <linux/io.h>
  28
  29 #include <mach/hardware.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <mach/gpio.h>
  35 #include <plat/board.h>
  36 #include <plat/common.h>
  37 #include <plat/gpmc.h>
  38 #include <plat/usb.h>
  39 #include <plat/gpmc-smc91x.h>
  40
  41 #include "mux.h"
  42 #include "hsmmc.h"
  43
  44 #define SDP2430_CS0_BASE        0x04000000
  45 #define SECONDARY_LCD_GPIO              147
  46
  47 static struct mtd_partition sdp2430_partitions[] = {
  48         /* bootloader (U-Boot, etc) in first sector */
  49         {
  50                 .name           = "bootloader",
  51                 .offset         = 0,
  52                 .size           = SZ_256K,
  53                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  54          },
  55         /* bootloader params in the next sector */
  56         {
  57                 .name           = "params",
  58                 .offset         = MTDPART_OFS_APPEND,
  59                 .size           = SZ_128K,
  60                 .mask_flags     = 0,
  61          },
  62         /* kernel */
  63         {
  64                 .name           = "kernel",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = SZ_2M,
  67                 .mask_flags     = 0
  68         },
  69         /* file system */
  70         {
  71                 .name           = "filesystem",
  72                 .offset         = MTDPART_OFS_APPEND,
  73                 .size           = MTDPART_SIZ_FULL,
  74                 .mask_flags     = 0
  75         }
  76 };
  77
  78 static struct physmap_flash_data sdp2430_flash_data = {
  79         .width          = 2,
  80         .parts          = sdp2430_partitions,
  81         .nr_parts       = ARRAY_SIZE(sdp2430_partitions),
  82 };
  83
  84 static struct resource sdp2430_flash_resource = {
  85         .start          = SDP2430_CS0_BASE,
  86         .end            = SDP2430_CS0_BASE + SZ_64M - 1,
  87         .flags          = IORESOURCE_MEM,
  88 };
  89
  90 static struct platform_device sdp2430_flash_device = {
  91         .name           = "physmap-flash",
  92         .id             = 0,
  93         .dev = {
  94                 .platform_data  = &sdp2430_flash_data,
  95         },
  96         .num_resources  = 1,
  97         .resource       = &sdp2430_flash_resource,
  98 };
  99
 100 static struct platform_device sdp2430_lcd_device = {
 101         .name           = "sdp2430_lcd",
 102         .id             = -1,
 103 };
 104
 105 static struct platform_device *sdp2430_devices[] __initdata = {
 106         &sdp2430_flash_device,
 107         &sdp2430_lcd_device,
 108 };
 109
 110 static struct omap_lcd_config sdp2430_lcd_config __initdata = {
 111         .ctrl_name      = "internal",
 112 };
 113
 114 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
 115
 116 static struct omap_smc91x_platform_data board_smc91x_data = {
 117         .cs             = 5,
 118         .gpio_irq       = 149,
 119         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 120                                 IORESOURCE_IRQ_LOWLEVEL,
 121
 122 };
 123
 124 static void __init board_smc91x_init(void)
 125 {
 126         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
 127         gpmc_smc91x_init(&board_smc91x_data);
 128 }
 129
 130 #else
 131
 132 static inline void board_smc91x_init(void)
 133 {
 134 }
 135
 136 #endif
 137
 138 static struct omap_board_config_kernel sdp2430_config[] __initdata = {
 139         {OMAP_TAG_LCD, &sdp2430_lcd_config},
 140 };
 141
 142 static void __init omap_2430sdp_init_early(void)
 143 {
 144         omap_board_config = sdp2430_config;
 145         omap_board_config_size = ARRAY_SIZE(sdp2430_config);
 146         omap2_init_common_infrastructure();
 147         omap2_init_common_devices(NULL, NULL);
 148 }
 149
 150 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 151         .gpio_base      = OMAP_MAX_GPIO_LINES,
 152         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 153         .irq_end        = TWL4030_GPIO_IRQ_END,
 154 };
 155
 156 static struct twl4030_platform_data sdp2430_twldata = {
 157         .irq_base       = TWL4030_IRQ_BASE,
 158         .irq_end        = TWL4030_IRQ_END,
 159
 160         /* platform_data for children goes here */
 161         .gpio           = &sdp2430_gpio_data,
 162 };
 163
 164 static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
 165         {
 166                 I2C_BOARD_INFO("twl4030", 0x48),
 167                 .flags = I2C_CLIENT_WAKE,
 168                 .irq = INT_24XX_SYS_NIRQ,
 169                 .platform_data = &sdp2430_twldata,
 170         },
 171 };
 172
 173 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 174         {
 175                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 176                 .flags = I2C_CLIENT_WAKE,
 177                 .irq = OMAP_GPIO_IRQ(78),
 178         },
 179 };
 180
 181 static int __init omap2430_i2c_init(void)
 182 {
 183         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 184                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 185         omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
 186                         ARRAY_SIZE(sdp2430_i2c_boardinfo));
 187         return 0;
 188 }
 189
 190 static struct omap2_hsmmc_info mmc[] __initdata = {
 191         {
 192                 .mmc            = 1,
 193                 .caps           = MMC_CAP_4_BIT_DATA,
 194                 .gpio_cd        = -EINVAL,
 195                 .gpio_wp        = -EINVAL,
 196                 .ext_clock      = 1,
 197         },
 198         {}      /* Terminator */
 199 };
 200
 201 static struct omap_musb_board_data musb_board_data = {
 202         .interface_type         = MUSB_INTERFACE_ULPI,
 203         .mode                   = MUSB_OTG,
 204         .power                  = 100,
 205 };
 206 static struct omap_usb_config sdp2430_usb_config __initdata = {
 207         .otg            = 1,
 208 #ifdef  CONFIG_USB_GADGET_OMAP
 209         .hmc_mode       = 0x0,
 210 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 211         .hmc_mode       = 0x1,
 212 #endif
 213         .pins[0]        = 3,
 214 };
 215
 216 #ifdef CONFIG_OMAP_MUX
 217 static struct omap_board_mux board_mux[] __initdata = {
 218         { .reg_offset = OMAP_MUX_TERMINATOR },
 219 };
 220 #endif
 221
 222 static void __init omap_2430sdp_init(void)
 223 {
 224         int ret;
 225
 226         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 227
 228         omap2430_i2c_init();
 229
 230         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 231         omap_serial_init();
 232         omap2_hsmmc_init(mmc);
 233         omap2_usbfs_init(&sdp2430_usb_config);
 234
 235         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 236         usb_musb_init(&musb_board_data);
 237
 238         board_smc91x_init();
 239
 240         /* Turn off secondary LCD backlight */
 241         ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
 242         if (ret == 0)
 243                 gpio_direction_output(SECONDARY_LCD_GPIO, 0);
 244 }
 245
 246 static void __init omap_2430sdp_map_io(void)
 247 {
 248         omap2_set_globals_243x();
 249         omap243x_map_common_io();
 250 }
 251
 252 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 253         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 254         .boot_params    = 0x80000100,
 255         .reserve        = omap_reserve,
 256         .map_io         = omap_2430sdp_map_io,
 257         .init_early     = omap_2430sdp_init_early,
 258         .init_irq       = omap_init_irq,
 259         .init_machine   = omap_2430sdp_init,
 260         .timer          = &omap_timer,
 261 MACHINE_END