release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-omap2/board-rx51.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-rx51.c
   3  *
   4  * Copyright (C) 2007, 2008 Nokia
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/err.h>
  16 #include <linux/clk.h>
  17 #include <linux/io.h>
  18 #include <linux/gpio.h>
  19 #include <linux/leds.h>
  20
  21 #include <mach/hardware.h>
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25
  26 #include <plat/mcspi.h>
  27 #include <plat/board.h>
  28 #include <plat/common.h>
  29 #include <plat/dma.h>
  30 #include <plat/gpmc.h>
  31 #include <plat/usb.h>
  32
  33 #include "mux.h"
  34 #include "pm.h"
  35
  36 #define RX51_GPIO_SLEEP_IND 162
  37
  38 struct omap_sdrc_params *rx51_get_sdram_timings(void);
  39 extern void rx51_video_mem_init(void);
  40
  41 static struct gpio_led gpio_leds[] = {
  42         {
  43                 .name   = "sleep_ind",
  44                 .gpio   = RX51_GPIO_SLEEP_IND,
  45         },
  46 };
  47
  48 static struct gpio_led_platform_data gpio_led_info = {
  49         .leds           = gpio_leds,
  50         .num_leds       = ARRAY_SIZE(gpio_leds),
  51 };
  52
  53 static struct platform_device leds_gpio = {
  54         .name   = "leds-gpio",
  55         .id     = -1,
  56         .dev    = {
  57                 .platform_data  = &gpio_led_info,
  58         },
  59 };
  60
  61 static struct cpuidle_params rx51_cpuidle_params[] = {
  62         /* C1 */
  63         {1, 110, 162, 5},
  64         /* C2 */
  65         {1, 106, 180, 309},
  66         /* C3 */
  67         {0, 107, 410, 46057},
  68         /* C4 */
  69         {0, 121, 3374, 46057},
  70         /* C5 */
  71         {1, 855, 1146, 46057},
  72         /* C6 */
  73         {0, 7580, 4134, 484329},
  74         /* C7 */
  75         {1, 7505, 15274, 484329},
  76 };
  77
  78 static struct omap_lcd_config rx51_lcd_config = {
  79         .ctrl_name      = "internal",
  80 };
  81
  82 static struct omap_fbmem_config rx51_fbmem0_config = {
  83         .size = 752 * 1024,
  84 };
  85
  86 static struct omap_fbmem_config rx51_fbmem1_config = {
  87         .size = 752 * 1024,
  88 };
  89
  90 static struct omap_fbmem_config rx51_fbmem2_config = {
  91         .size = 752 * 1024,
  92 };
  93
  94 static struct omap_board_config_kernel rx51_config[] = {
  95         { OMAP_TAG_FBMEM,       &rx51_fbmem0_config },
  96         { OMAP_TAG_FBMEM,       &rx51_fbmem1_config },
  97         { OMAP_TAG_FBMEM,       &rx51_fbmem2_config },
  98         { OMAP_TAG_LCD,         &rx51_lcd_config },
  99 };
 100
 101 static void __init rx51_init_irq(void)
 102 {
 103         struct omap_sdrc_params *sdrc_params;
 104
 105         omap_board_config = rx51_config;
 106         omap_board_config_size = ARRAY_SIZE(rx51_config);
 107         omap3_pm_init_cpuidle(rx51_cpuidle_params);
 108         sdrc_params = rx51_get_sdram_timings();
 109         omap2_init_common_hw(sdrc_params, sdrc_params);
 110         omap_init_irq();
 111         omap_gpio_init();
 112 }
 113
 114 extern void __init rx51_peripherals_init(void);
 115
 116 #ifdef CONFIG_OMAP_MUX
 117 static struct omap_board_mux board_mux[] __initdata = {
 118         { .reg_offset = OMAP_MUX_TERMINATOR },
 119 };
 120 #else
 121 #define board_mux       NULL
 122 #endif
 123
 124 static struct omap_musb_board_data musb_board_data = {
 125         .interface_type         = MUSB_INTERFACE_ULPI,
 126         .mode                   = MUSB_PERIPHERAL,
 127         .power                  = 0,
 128 };
 129
 130 static void __init rx51_init(void)
 131 {
 132         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 133         omap_serial_init();
 134         usb_musb_init(&musb_board_data);
 135         rx51_peripherals_init();
 136
 137         /* Ensure SDRC pins are mux'd for self-refresh */
 138         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 139         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 140
 141         platform_device_register(&leds_gpio);
 142 }
 143
 144 static void __init rx51_map_io(void)
 145 {
 146         omap2_set_globals_3xxx();
 147         rx51_video_mem_init();
 148         omap34xx_map_common_io();
 149 }
 150
 151 MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
 152         /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
 153         .phys_io        = 0x48000000,
 154         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 155         .boot_params    = 0x80000100,
 156         .map_io         = rx51_map_io,
 157         .reserve        = omap_reserve,
 158         .init_irq       = rx51_init_irq,
 159         .init_machine   = rx51_init,
 160         .timer          = &omap_timer,
 161 MACHINE_END