arch/arm/mach-omap2/board-zoom2.c

   1 /*
   2  * Copyright (C) 2009 Texas Instruments Inc.
   3  * Mikkel Christensen <mlc@ti.com>
   4  *
   5  * Modified from mach-omap2/board-ldp.c
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/gpio.h>
  16 #include <linux/i2c/twl4030.h>
  17
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20
  21 #include <mach/common.h>
  22 #include <mach/usb.h>
  23
  24 #include "mmc-twl4030.h"
  25
  26 static void __init omap_zoom2_init_irq(void)
  27 {
  28         omap2_init_common_hw(NULL);
  29         omap_init_irq();
  30         omap_gpio_init();
  31 }
  32
  33 static struct omap_uart_config zoom2_uart_config __initdata = {
  34         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
  35 };
  36
  37 static struct omap_board_config_kernel zoom2_config[] __initdata = {
  38         { OMAP_TAG_UART,        &zoom2_uart_config },
  39 };
  40
  41 static struct twl4030_gpio_platform_data zoom2_gpio_data = {
  42         .gpio_base      = OMAP_MAX_GPIO_LINES,
  43         .irq_base       = TWL4030_GPIO_IRQ_BASE,
  44         .irq_end        = TWL4030_GPIO_IRQ_END,
  45 };
  46
  47 static struct twl4030_platform_data zoom2_twldata = {
  48         .irq_base       = TWL4030_IRQ_BASE,
  49         .irq_end        = TWL4030_IRQ_END,
  50
  51         /* platform_data for children goes here */
  52         .gpio           = &zoom2_gpio_data,
  53 };
  54
  55 static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = {
  56         {
  57                 I2C_BOARD_INFO("twl4030", 0x48),
  58                 .flags          = I2C_CLIENT_WAKE,
  59                 .irq            = INT_34XX_SYS_NIRQ,
  60                 .platform_data  = &zoom2_twldata,
  61         },
  62 };
  63
  64 static int __init omap_i2c_init(void)
  65 {
  66         omap_register_i2c_bus(1, 2600, zoom2_i2c_boardinfo,
  67                         ARRAY_SIZE(zoom2_i2c_boardinfo));
  68         omap_register_i2c_bus(2, 400, NULL, 0);
  69         omap_register_i2c_bus(3, 400, NULL, 0);
  70         return 0;
  71 }
  72
  73 static struct twl4030_hsmmc_info mmc[] __initdata = {
  74         {
  75                 .mmc            = 1,
  76                 .wires          = 4,
  77                 .gpio_cd        = -EINVAL,
  78                 .gpio_wp        = -EINVAL,
  79         },
  80         {}      /* Terminator */
  81 };
  82
  83 extern int __init omap_zoom2_debugboard_init(void);
  84
  85 static void __init omap_zoom2_init(void)
  86 {
  87         omap_i2c_init();
  88         omap_board_config = zoom2_config;
  89         omap_board_config_size = ARRAY_SIZE(zoom2_config);
  90         omap_serial_init();
  91         omap_zoom2_debugboard_init();
  92         twl4030_mmc_init(mmc);
  93         usb_musb_init();
  94 }
  95
  96 static void __init omap_zoom2_map_io(void)
  97 {
  98         omap2_set_globals_343x();
  99         omap2_map_common_io();
 100 }
 101
 102 MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
 103         .phys_io        = 0x48000000,
 104         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 105         .boot_params    = 0x80000100,
 106         .map_io         = omap_zoom2_map_io,
 107         .init_irq       = omap_zoom2_init_irq,
 108         .init_machine   = omap_zoom2_init,
 109         .timer          = &omap_timer,
 110 MACHINE_END