release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-kirkwood/t5325-setup.c

   1 /*
   2  *
   3  * HP t5325 Thin Client setup
   4  *
   5  * Copyright (C) 2010  Martin Michlmayr <tbm@cyrius.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version
  10  * 2 of the License, or (at your option) any later version.
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/spi/flash.h>
  18 #include <linux/spi/spi.h>
  19 #include <linux/spi/orion_spi.h>
  20 #include <linux/i2c.h>
  21 #include <linux/mv643xx_eth.h>
  22 #include <linux/ata_platform.h>
  23 #include <linux/gpio.h>
  24 #include <linux/gpio_keys.h>
  25 #include <linux/input.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <mach/kirkwood.h>
  29 #include "common.h"
  30 #include "mpp.h"
  31
  32 struct mtd_partition hp_t5325_partitions[] = {
  33         {
  34                 .name           = "u-boot env",
  35                 .size           = SZ_64K,
  36                 .offset         = SZ_512K + SZ_256K,
  37         },
  38         {
  39                 .name           = "permanent u-boot env",
  40                 .size           = SZ_64K,
  41                 .offset         = MTDPART_OFS_APPEND,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         },
  44         {
  45                 .name           = "HP env",
  46                 .size           = SZ_64K,
  47                 .offset         = MTDPART_OFS_APPEND,
  48         },
  49         {
  50                 .name           = "u-boot",
  51                 .size           = SZ_512K,
  52                 .offset         = 0,
  53                 .mask_flags     = MTD_WRITEABLE,
  54         },
  55         {
  56                 .name           = "SSD firmware",
  57                 .size           = SZ_256K,
  58                 .offset         = SZ_512K,
  59         },
  60 };
  61
  62 const struct flash_platform_data hp_t5325_flash = {
  63         .type           = "mx25l8005",
  64         .name           = "spi_flash",
  65         .parts          = hp_t5325_partitions,
  66         .nr_parts       = ARRAY_SIZE(hp_t5325_partitions),
  67 };
  68
  69 struct spi_board_info __initdata hp_t5325_spi_slave_info[] = {
  70         {
  71                 .modalias       = "m25p80",
  72                 .platform_data  = &hp_t5325_flash,
  73                 .irq            = -1,
  74         },
  75 };
  76
  77 static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
  78         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  79 };
  80
  81 static struct mv_sata_platform_data hp_t5325_sata_data = {
  82         .n_ports        = 2,
  83 };
  84
  85 static struct gpio_keys_button hp_t5325_buttons[] = {
  86         {
  87                 .code           = KEY_POWER,
  88                 .gpio           = 45,
  89                 .desc           = "Power",
  90                 .active_low     = 1,
  91         },
  92 };
  93
  94 static struct gpio_keys_platform_data hp_t5325_button_data = {
  95         .buttons        = hp_t5325_buttons,
  96         .nbuttons       = ARRAY_SIZE(hp_t5325_buttons),
  97 };
  98
  99 static struct platform_device hp_t5325_button_device = {
 100         .name           = "gpio-keys",
 101         .id             = -1,
 102         .num_resources  = 0,
 103         .dev            = {
 104                 .platform_data  = &hp_t5325_button_data,
 105         }
 106 };
 107
 108 static unsigned int hp_t5325_mpp_config[] __initdata = {
 109         MPP0_NF_IO2,
 110         MPP1_SPI_MOSI,
 111         MPP2_SPI_SCK,
 112         MPP3_SPI_MISO,
 113         MPP4_NF_IO6,
 114         MPP5_NF_IO7,
 115         MPP6_SYSRST_OUTn,
 116         MPP7_SPI_SCn,
 117         MPP8_TW0_SDA,
 118         MPP9_TW0_SCK,
 119         MPP10_UART0_TXD,
 120         MPP11_UART0_RXD,
 121         MPP12_SD_CLK,
 122         MPP13_GPIO,
 123         MPP14_GPIO,
 124         MPP15_GPIO,
 125         MPP16_GPIO,
 126         MPP17_GPIO,
 127         MPP18_NF_IO0,
 128         MPP19_NF_IO1,
 129         MPP20_GPIO,
 130         MPP21_GPIO,
 131         MPP22_GPIO,
 132         MPP23_GPIO,
 133         MPP32_GPIO,
 134         MPP33_GE1_TXCTL,
 135         MPP39_AU_I2SBCLK,
 136         MPP40_AU_I2SDO,
 137         MPP41_AU_I2SLRCLK,
 138         MPP42_AU_I2SMCLK,
 139         MPP45_GPIO,             /* Power button */
 140         MPP48_GPIO,             /* Board power off */
 141         0
 142 };
 143
 144 #define HP_T5325_GPIO_POWER_OFF         48
 145
 146 static void hp_t5325_power_off(void)
 147 {
 148         gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
 149 }
 150
 151 static void __init hp_t5325_init(void)
 152 {
 153         /*
 154          * Basic setup. Needs to be called early.
 155          */
 156         kirkwood_init();
 157         kirkwood_mpp_conf(hp_t5325_mpp_config);
 158
 159         kirkwood_uart0_init();
 160         spi_register_board_info(hp_t5325_spi_slave_info,
 161                                 ARRAY_SIZE(hp_t5325_spi_slave_info));
 162         kirkwood_spi_init();
 163         kirkwood_i2c_init();
 164         kirkwood_ge00_init(&hp_t5325_ge00_data);
 165         kirkwood_sata_init(&hp_t5325_sata_data);
 166         kirkwood_ehci_init();
 167         platform_device_register(&hp_t5325_button_device);
 168
 169         if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
 170             gpio_direction_output(HP_T5325_GPIO_POWER_OFF, 0) == 0)
 171                 pm_power_off = hp_t5325_power_off;
 172         else
 173                 pr_err("t5325: failed to configure power-off GPIO\n");
 174 }
 175
 176 static int __init hp_t5325_pci_init(void)
 177 {
 178         if (machine_is_t5325())
 179                 kirkwood_pcie_init(KW_PCIE0);
 180
 181         return 0;
 182 }
 183 subsys_initcall(hp_t5325_pci_init);
 184
 185 MACHINE_START(T5325, "HP t5325 Thin Client")
 186         /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
 187         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 188         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 189         .boot_params    = 0x00000100,
 190         .init_machine   = hp_t5325_init,
 191         .map_io         = kirkwood_map_io,
 192         .init_irq       = kirkwood_init_irq,
 193         .timer          = &kirkwood_timer,
 194 MACHINE_END