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/delay.h>
  23 #include <linux/i2c/twl.h>
  24 #include <linux/err.h>
  25 #include <linux/clk.h>
  26 #include <linux/io.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <mach/gpio.h>
  34 #include <plat/mux.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 "hsmmc.h"
  42
  43 #define SDP2430_CS0_BASE        0x04000000
  44 #define SECONDARY_LCD_GPIO              147
  45
  46 static struct mtd_partition sdp2430_partitions[] = {
  47         /* bootloader (U-Boot, etc) in first sector */
  48         {
  49                 .name           = "bootloader",
  50                 .offset         = 0,
  51                 .size           = SZ_256K,
  52                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  53          },
  54         /* bootloader params in the next sector */
  55         {
  56                 .name           = "params",
  57                 .offset         = MTDPART_OFS_APPEND,
  58                 .size           = SZ_128K,
  59                 .mask_flags     = 0,
  60          },
  61         /* kernel */
  62         {
  63                 .name           = "kernel",
  64                 .offset         = MTDPART_OFS_APPEND,
  65                 .size           = SZ_2M,
  66                 .mask_flags     = 0
  67         },
  68         /* file system */
  69         {
  70                 .name           = "filesystem",
  71                 .offset         = MTDPART_OFS_APPEND,
  72                 .size           = MTDPART_SIZ_FULL,
  73                 .mask_flags     = 0
  74         }
  75 };
  76
  77 static struct physmap_flash_data sdp2430_flash_data = {
  78         .width          = 2,
  79         .parts          = sdp2430_partitions,
  80         .nr_parts       = ARRAY_SIZE(sdp2430_partitions),
  81 };
  82
  83 static struct resource sdp2430_flash_resource = {
  84         .start          = SDP2430_CS0_BASE,
  85         .end            = SDP2430_CS0_BASE + SZ_64M - 1,
  86         .flags          = IORESOURCE_MEM,
  87 };
  88
  89 static struct platform_device sdp2430_flash_device = {
  90         .name           = "physmap-flash",
  91         .id             = 0,
  92         .dev = {
  93                 .platform_data  = &sdp2430_flash_data,
  94         },
  95         .num_resources  = 1,
  96         .resource       = &sdp2430_flash_resource,
  97 };
  98
  99 static struct platform_device sdp2430_lcd_device = {
 100         .name           = "sdp2430_lcd",
 101         .id             = -1,
 102 };
 103
 104 static struct platform_device *sdp2430_devices[] __initdata = {
 105         &sdp2430_flash_device,
 106         &sdp2430_lcd_device,
 107 };
 108
 109 static struct omap_lcd_config sdp2430_lcd_config __initdata = {
 110         .ctrl_name      = "internal",
 111 };
 112
 113 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
 114
 115 static struct omap_smc91x_platform_data board_smc91x_data = {
 116         .cs             = 5,
 117         .gpio_irq       = 149,
 118         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 119                                 IORESOURCE_IRQ_LOWLEVEL,
 120
 121 };
 122
 123 static void __init board_smc91x_init(void)
 124 {
 125         if (omap_rev() > OMAP3430_REV_ES1_0)
 126                 board_smc91x_data.gpio_irq = 6;
 127         else
 128                 board_smc91x_data.gpio_irq = 29;
 129
 130         gpmc_smc91x_init(&board_smc91x_data);
 131 }
 132
 133 #else
 134
 135 static inline void board_smc91x_init(void)
 136 {
 137 }
 138
 139 #endif
 140
 141 static struct omap_board_config_kernel sdp2430_config[] = {
 142         {OMAP_TAG_LCD, &sdp2430_lcd_config},
 143 };
 144
 145 static void __init omap_2430sdp_init_irq(void)
 146 {
 147         omap_board_config = sdp2430_config;
 148         omap_board_config_size = ARRAY_SIZE(sdp2430_config);
 149         omap2_init_common_hw(NULL, NULL);
 150         omap_init_irq();
 151         omap_gpio_init();
 152 }
 153
 154 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 155         .gpio_base      = OMAP_MAX_GPIO_LINES,
 156         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 157         .irq_end        = TWL4030_GPIO_IRQ_END,
 158 };
 159
 160 static struct twl4030_platform_data sdp2430_twldata = {
 161         .irq_base       = TWL4030_IRQ_BASE,
 162         .irq_end        = TWL4030_IRQ_END,
 163
 164         /* platform_data for children goes here */
 165         .gpio           = &sdp2430_gpio_data,
 166 };
 167
 168 static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
 169         {
 170                 I2C_BOARD_INFO("twl4030", 0x48),
 171                 .flags = I2C_CLIENT_WAKE,
 172                 .irq = INT_24XX_SYS_NIRQ,
 173                 .platform_data = &sdp2430_twldata,
 174         },
 175 };
 176
 177 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 178         {
 179                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 180                 .flags = I2C_CLIENT_WAKE,
 181                 .irq = OMAP_GPIO_IRQ(78),
 182         },
 183 };
 184
 185 static int __init omap2430_i2c_init(void)
 186 {
 187         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 188                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 189         omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
 190                         ARRAY_SIZE(sdp2430_i2c_boardinfo));
 191         return 0;
 192 }
 193
 194 static struct omap2_hsmmc_info mmc[] __initdata = {
 195         {
 196                 .mmc            = 1,
 197                 .wires          = 4,
 198                 .gpio_cd        = -EINVAL,
 199                 .gpio_wp        = -EINVAL,
 200                 .ext_clock      = 1,
 201         },
 202         {}      /* Terminator */
 203 };
 204
 205 static struct omap_musb_board_data musb_board_data = {
 206         .interface_type         = MUSB_INTERFACE_ULPI,
 207         .mode                   = MUSB_OTG,
 208         .power                  = 100,
 209 };
 210 static struct omap_usb_config sdp2430_usb_config __initdata = {
 211         .otg            = 1,
 212 #ifdef  CONFIG_USB_GADGET_OMAP
 213         .hmc_mode       = 0x0,
 214 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 215         .hmc_mode       = 0x1,
 216 #endif
 217         .pins[0]        = 3,
 218 };
 219
 220 static void __init omap_2430sdp_init(void)
 221 {
 222         int ret;
 223
 224         omap2430_i2c_init();
 225
 226         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 227         omap_serial_init();
 228         omap2_hsmmc_init(mmc);
 229         omap_usb_init(&sdp2430_usb_config);
 230         usb_musb_init(&musb_board_data);
 231         board_smc91x_init();
 232
 233         /* Turn off secondary LCD backlight */
 234         ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
 235         if (ret == 0)
 236                 gpio_direction_output(SECONDARY_LCD_GPIO, 0);
 237 }
 238
 239 static void __init omap_2430sdp_map_io(void)
 240 {
 241         omap2_set_globals_243x();
 242         omap243x_map_common_io();
 243 }
 244
 245 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 246         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 247         .phys_io        = 0x48000000,
 248         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 249         .boot_params    = 0x80000100,
 250         .map_io         = omap_2430sdp_map_io,
 251         .init_irq       = omap_2430sdp_init_irq,
 252         .init_machine   = omap_2430sdp_init,
 253         .timer          = &omap_timer,
 254 MACHINE_END