t5325-setup.c

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/*
 *
 * HP t5325 Thin Client setup
 *
 * Copyright (C) 2010  Martin Michlmayr <[email protected]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/mv643xx_eth.h>
#include <linux/ata_platform.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <sound/alc5623.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"

struct mtd_partition hp_t5325_partitions[] = {
    {
        .name       = "u-boot env",
        .size       = SZ_64K,
        .offset     = SZ_512K + SZ_256K,
    },
    {
        .name       = "permanent u-boot env",
        .size       = SZ_64K,
        .offset     = MTDPART_OFS_APPEND,
        .mask_flags = MTD_WRITEABLE,
    },
    {
        .name       = "HP env",
        .size       = SZ_64K,
        .offset     = MTDPART_OFS_APPEND,
    },
    {
        .name       = "u-boot",
        .size       = SZ_512K,
        .offset     = 0,
        .mask_flags = MTD_WRITEABLE,
    },
    {
        .name       = "SSD firmware",
        .size       = SZ_256K,
        .offset     = SZ_512K,
    },
};

const struct flash_platform_data hp_t5325_flash = {
    .type       = "mx25l8005",
    .name       = "spi_flash",
    .parts      = hp_t5325_partitions,
    .nr_parts   = ARRAY_SIZE(hp_t5325_partitions),
};

struct spi_board_info __initdata hp_t5325_spi_slave_info[] = {
    {
        .modalias   = "m25p80",
        .platform_data  = &hp_t5325_flash,
        .irq        = -1,
    },
};

static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
    .phy_addr   = MV643XX_ETH_PHY_ADDR(8),
};

static struct mv_sata_platform_data hp_t5325_sata_data = {
    .n_ports    = 2,
};

static struct gpio_keys_button hp_t5325_buttons[] = {
    {
        .code       = KEY_POWER,
        .gpio       = 45,
        .desc       = "Power",
        .active_low = 1,
    },
};

static struct gpio_keys_platform_data hp_t5325_button_data = {
    .buttons    = hp_t5325_buttons,
    .nbuttons   = ARRAY_SIZE(hp_t5325_buttons),
};

static struct platform_device hp_t5325_button_device = {
    .name       = "gpio-keys",
    .id     = -1,
    .num_resources  = 0,
    .dev        = {
        .platform_data  = &hp_t5325_button_data,
    }
};

static struct platform_device hp_t5325_audio_device = {
    .name       = "t5325-audio",
    .id     = -1,
};

static unsigned int hp_t5325_mpp_config[] __initdata = {
    MPP0_NF_IO2,
    MPP1_SPI_MOSI,
    MPP2_SPI_SCK,
    MPP3_SPI_MISO,
    MPP4_NF_IO6,
    MPP5_NF_IO7,
    MPP6_SYSRST_OUTn,
    MPP7_SPI_SCn,
    MPP8_TW0_SDA,
    MPP9_TW0_SCK,
    MPP10_UART0_TXD,
    MPP11_UART0_RXD,
    MPP12_SD_CLK,
    MPP13_GPIO,
    MPP14_GPIO,
    MPP15_GPIO,
    MPP16_GPIO,
    MPP17_GPIO,
    MPP18_NF_IO0,
    MPP19_NF_IO1,
    MPP20_GPIO,
    MPP21_GPIO,
    MPP22_GPIO,
    MPP23_GPIO,
    MPP32_GPIO,
    MPP33_GE1_TXCTL,
    MPP39_AU_I2SBCLK,
    MPP40_AU_I2SDO,
    MPP43_AU_I2SDI,
    MPP41_AU_I2SLRCLK,
    MPP42_AU_I2SMCLK,
    MPP45_GPIO,     /* Power button */
    MPP48_GPIO,     /* Board power off */
    0
};

static struct alc5623_platform_data alc5621_data = {
    .add_ctrl = 0x3700,
    .jack_det_ctrl = 0x4810,
};

static struct i2c_board_info i2c_board_info[] __initdata = {
    {
        I2C_BOARD_INFO("alc5621", 0x1a),
        .platform_data = &alc5621_data,
    },
};

#define HP_T5325_GPIO_POWER_OFF     48

static void hp_t5325_power_off(void)
{
    gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
}

static void __init hp_t5325_init(void)
{
    /*
     * Basic setup. Needs to be called early.
     */
    kirkwood_init();
    kirkwood_mpp_conf(hp_t5325_mpp_config);

    kirkwood_uart0_init();
    spi_register_board_info(hp_t5325_spi_slave_info,
                ARRAY_SIZE(hp_t5325_spi_slave_info));
    kirkwood_spi_init();
    kirkwood_i2c_init();
    kirkwood_ge00_init(&hp_t5325_ge00_data);
    kirkwood_sata_init(&hp_t5325_sata_data);
    kirkwood_ehci_init();
    platform_device_register(&hp_t5325_button_device);
    platform_device_register(&hp_t5325_audio_device);

    i2c_register_board_info(0, i2c_board_info, ARRAY_SIZE(i2c_board_info));
    kirkwood_audio_init();

    if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
        gpio_direction_output(HP_T5325_GPIO_POWER_OFF, 0) == 0)
        pm_power_off = hp_t5325_power_off;
    else
        pr_err("t5325: failed to configure power-off GPIO\n");
}

static int __init hp_t5325_pci_init(void)
{
    if (machine_is_t5325())
        kirkwood_pcie_init(KW_PCIE0);

    return 0;
}
subsys_initcall(hp_t5325_pci_init);

MACHINE_START(T5325, "HP t5325 Thin Client")
    /* Maintainer: Martin Michlmayr <[email protected]> */
    .atag_offset    = 0x100,
    .init_machine   = hp_t5325_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END