ts41x-setup.c

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/*
 *
 * QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS Board Setup
 *
 * Copyright (C) 2009-2010  Martin Michlmayr <[email protected]>
 * Copyright (C) 2008  Byron Bradley <[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/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 <linux/io.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"
#include "tsx1x-common.h"

/* for the PCIe reset workaround */
#include <plat/pcie.h>


#define QNAP_TS41X_JUMPER_JP1   45

static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = {
    I2C_BOARD_INFO("s35390a", 0x30),
};

static struct mv643xx_eth_platform_data qnap_ts41x_ge00_data = {
    .phy_addr   = MV643XX_ETH_PHY_ADDR(8),
};

static struct mv643xx_eth_platform_data qnap_ts41x_ge01_data = {
    .phy_addr   = MV643XX_ETH_PHY_ADDR(0),
};

static struct mv_sata_platform_data qnap_ts41x_sata_data = {
    .n_ports    = 2,
};

static struct gpio_keys_button qnap_ts41x_buttons[] = {
    {
        .code       = KEY_COPY,
        .gpio       = 43,
        .desc       = "USB Copy",
        .active_low = 1,
    },
    {
        .code       = KEY_RESTART,
        .gpio       = 37,
        .desc       = "Reset",
        .active_low = 1,
    },
};

static struct gpio_keys_platform_data qnap_ts41x_button_data = {
    .buttons    = qnap_ts41x_buttons,
    .nbuttons   = ARRAY_SIZE(qnap_ts41x_buttons),
};

static struct platform_device qnap_ts41x_button_device = {
    .name       = "gpio-keys",
    .id     = -1,
    .num_resources  = 0,
    .dev        = {
        .platform_data  = &qnap_ts41x_button_data,
    }
};

static unsigned int qnap_ts41x_mpp_config[] __initdata = {
    MPP0_SPI_SCn,
    MPP1_SPI_MOSI,
    MPP2_SPI_SCK,
    MPP3_SPI_MISO,
    MPP6_SYSRST_OUTn,
    MPP7_PEX_RST_OUTn,
    MPP8_TW0_SDA,
    MPP9_TW0_SCK,
    MPP10_UART0_TXD,
    MPP11_UART0_RXD,
    MPP13_UART1_TXD,    /* PIC controller */
    MPP14_UART1_RXD,    /* PIC controller */
    MPP15_SATA0_ACTn,
    MPP16_SATA1_ACTn,
    MPP20_GE1_TXD0,
    MPP21_GE1_TXD1,
    MPP22_GE1_TXD2,
    MPP23_GE1_TXD3,
    MPP24_GE1_RXD0,
    MPP25_GE1_RXD1,
    MPP26_GE1_RXD2,
    MPP27_GE1_RXD3,
    MPP30_GE1_RXCTL,
    MPP31_GE1_RXCLK,
    MPP32_GE1_TCLKOUT,
    MPP33_GE1_TXCTL,
    MPP36_GPIO,     /* RAM: 0: 256 MB, 1: 512 MB */
    MPP37_GPIO,     /* Reset button */
    MPP43_GPIO,     /* USB Copy button */
    MPP44_GPIO,     /* Board ID: 0: TS-419U, 1: TS-419 */
    MPP45_GPIO,     /* JP1: 0: LCD, 1: serial console */
    MPP46_GPIO,     /* External SATA HDD1 error indicator */
    MPP47_GPIO,     /* External SATA HDD2 error indicator */
    MPP48_GPIO,     /* External SATA HDD3 error indicator */
    MPP49_GPIO,     /* External SATA HDD4 error indicator */
    0
};

static void __init qnap_ts41x_init(void)
{
    u32 dev, rev;

    /*
     * Basic setup. Needs to be called early.
     */
    kirkwood_init();
    kirkwood_mpp_conf(qnap_ts41x_mpp_config);

    kirkwood_uart0_init();
    kirkwood_uart1_init(); /* A PIC controller is connected here. */
    qnap_tsx1x_register_flash();
    kirkwood_i2c_init();
    i2c_register_board_info(0, &qnap_ts41x_i2c_rtc, 1);

    kirkwood_pcie_id(&dev, &rev);
    if (dev == MV88F6282_DEV_ID) {
        qnap_ts41x_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
        qnap_ts41x_ge01_data.phy_addr = MV643XX_ETH_PHY_ADDR(1);
    }
    kirkwood_ge00_init(&qnap_ts41x_ge00_data);
    kirkwood_ge01_init(&qnap_ts41x_ge01_data);

    kirkwood_sata_init(&qnap_ts41x_sata_data);
    kirkwood_ehci_init();
    platform_device_register(&qnap_ts41x_button_device);

    pm_power_off = qnap_tsx1x_power_off;

    if (gpio_request(QNAP_TS41X_JUMPER_JP1, "JP1") == 0)
        gpio_export(QNAP_TS41X_JUMPER_JP1, 0);
}

static int __init ts41x_pci_init(void)
{
    if (machine_is_ts41x()) {
        u32 dev, rev;

        /*
         * Without this explicit reset, the PCIe SATA controller
         * (Marvell 88sx7042/sata_mv) is known to stop working
         * after a few minutes.
         */
        orion_pcie_reset(PCIE_VIRT_BASE);

        kirkwood_pcie_id(&dev, &rev);
        if (dev == MV88F6282_DEV_ID)
            kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0);
        else
            kirkwood_pcie_init(KW_PCIE0);
    }

   return 0;
}
subsys_initcall(ts41x_pci_init);

MACHINE_START(TS41X, "QNAP TS-41x")
    /* Maintainer: Martin Michlmayr <[email protected]> */
    .atag_offset    = 0x100,
    .init_machine   = qnap_ts41x_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END