arch/arm/mach-omap1/board-h6300.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h6300.c
   3  *
   4  * Modified from board-innovator.c
   5  *
   6  * Board specific inits for OMAP-1510 based iPAQ h63xx series of mobile phones.
   7  * (h6315, h6340 and h6365)
   8  *
   9  * Copyright (C) 2009 Mika Laitio
  10  * Copyright (C) 2009 Husam Senussi
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/delay.h>
  21 #include <linux/input.h>
  22
  23 #include <mach/hardware.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27
  28 #include <mach/mux.h>
  29 #include <mach/gpio.h>
  30 #include <mach/common.h>
  31 #include <mach/board.h>
  32 #include <mach/mmc.h>
  33
  34 static struct platform_device h6300_lcd_device = {
  35         .name   = "lcd_h6300",
  36         .id     = -1,
  37 };
  38
  39 static struct platform_device *h6300_devices[] __initdata = {
  40         &h6300_lcd_device,
  41 };
  42
  43 static struct omap_lcd_config h6300_lcd_config __initdata = {
  44         .ctrl_name      = "internal",
  45 };
  46
  47 static struct omap_uart_config h6300_uart_config __initdata = {
  48         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
  49 };
  50
  51 /* assume no Mini-AB port */
  52 static struct omap_usb_config h6300_usb_config __initdata = {
  53         .register_dev   = 1,
  54         .hmc_mode       = 0,
  55         .pins[0]        = 0,
  56 };
  57
  58 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
  59
  60 //#define H6300_GPIO_MMC_POWER  13
  61 #define H6300_GPIO_MMC_WRITE_PROTECT    13
  62 #define H6300_GPIO_MMC_CARD_DETECT      15
  63
  64
  65 static int h6300_mmc_set_power(struct device *dev, int slot, int power_on,
  66                                 int vdd)
  67 {
  68         //printk("h6300_mmc_set_power started\n");
  69
  70 /*
  71         int err;
  72         u8 dat = 0;
  73
  74         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
  75         if (err < 0)
  76                 return err;
  77
  78         if (power_on)
  79                 dat |= SOFIA_MMC_POWER;
  80         else
  81                 dat &= ~SOFIA_MMC_POWER;
  82
  83         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
  84 */
  85 /*
  86         if (power_on)
  87                 gpio_set_value(H6300_GPIO_MMC_POWER, 1);
  88         else
  89                 gpio_set_value(H6300_GPIO_MMC_POWER, 0);
  90 */
  91         return 0;
  92 }
  93
  94 /*
  95 static int h6300_mmc_get_cover_state(struct device *dev, int slot)
  96 {
  97         return gpio_get_value(H6300_GPIO_MMC_CARD_DETECT);
  98 }
  99 */
 100
 101 static struct omap_mmc_platform_data h6300_mmc1_data = {
 102         .nr_slots                       = 1,
 103 /*      .dma_mask                       = 0xffffffff, */
 104         .slots[0]       = {
 105                 .set_power              = h6300_mmc_set_power,
 106 /*              .get_cover_state        = h6300_mmc_get_cover_state, */
 107                 .gpio_wp                = H6300_GPIO_MMC_WRITE_PROTECT,         // input, write protect
 108 /*              .switch_pin             = H6300_GPIO_MMC_CARD_DETECT,   */      // input, card detect
 109 /*
 110                 .wires                  = 4,
 111                 .name                   = "mmcblk",
 112 */
 113         },
 114 };
 115
 116 static struct omap_mmc_platform_data *h6300_mmc_data[OMAP15XX_NR_MMC];
 117
 118 static void __init h6300_mmc_init(void)
 119 {
 120         int     ret;
 121
 122         printk("h6300_mmc_init() started\n");
 123         ret = gpio_request(H6300_GPIO_MMC_WRITE_PROTECT, "MMC WP");
 124         if (ret < 0) {
 125                 printk("Failed to get MMC WP gpio\n");
 126                 gpio_free(H6300_GPIO_MMC_WRITE_PROTECT);
 127                 return;
 128         }
 129         gpio_direction_input(H6300_GPIO_MMC_WRITE_PROTECT);
 130         printk("MMC WP gpio set input\n");
 131
 132         h6300_mmc_data[0] = &h6300_mmc1_data;
 133         omap1_init_mmc(h6300_mmc_data, OMAP15XX_NR_MMC);
 134         printk("h6300 mmc init done\n");
 135 /*
 136         int ret;
 137
 138         ret = gpio_request(H6300_GPIO_MMC_POWER, "MMC power");
 139         if (ret < 0)
 140                 return;
 141         gpio_direction_output(H6300_GPIO_MMC_POWER, 0);
 142         mmc_data[0] = &h6300_mmc1_data;
 143         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 144
 145         ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
 146         if (ret < 0) {
 147                 gpio_free(NOKIA770_GPIO_MMC_POWER);
 148                 return;
 149         }
 150         gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
 151 */
 152 }
 153
 154 #else
 155 static inline void h6300_mmc_init(void)
 156 {
 157 }
 158 #endif
 159
 160 static struct omap_board_config_kernel h6300_config[] = {
 161         { OMAP_TAG_LCD,         &h6300_lcd_config },
 162         { OMAP_TAG_UART,        &h6300_uart_config },
 163         { OMAP_TAG_USB,         &h6300_usb_config },
 164 };
 165
 166 static void __init h6300_init_irq(void)
 167 {
 168         omap1_init_common_hw();
 169         omap_init_irq();
 170         omap_gpio_init();
 171 }
 172
 173 static void __init h6300_init(void)
 174 {
 175         int ret;
 176
 177         ret = platform_add_devices(h6300_devices, ARRAY_SIZE(h6300_devices));
 178         if (ret) {
 179                 printk(KERN_WARNING "Unable to add h6300 platform devices.");
 180         }
 181         omap_board_config       = h6300_config;
 182         omap_board_config_size  = ARRAY_SIZE(h6300_config);
 183         omap_serial_init();
 184         omap_register_i2c_bus(1, 100, NULL, 0);
 185         h6300_mmc_init();
 186 }
 187
 188 static void __init h6300_map_io(void)
 189 {
 190         omap1_map_common_io();
 191 }
 192
 193 MACHINE_START(OMAP_H6300, "HP iPAQ h6300")
 194         /* MAINTAINER("Mika Laitio <lamikr at pilppa dot org>") */
 195         .phys_io        = 0xfff00000,
 196         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 197         .boot_params    = 0x10000100,
 198         .map_io         = h6300_map_io,
 199         .init_irq       = h6300_init_irq,
 200         .init_machine   = h6300_init,
 201         .timer          = &omap_timer,
 202 MACHINE_END