ts409-setup.c

Go to the documentation of this file.

/*
 * QNAP TS-409 Board Setup
 *
 * Maintainer: Sylver Bruneau <[email protected]>
 *
 * Copyright (C) 2008  Sylver Bruneau <[email protected]>
 * Copyright (C) 2008  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/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/serial_reg.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
#include "tsx09-common.h"

/*****************************************************************************
 * QNAP TS-409 Info
 ****************************************************************************/

/*
 * QNAP TS-409 hardware :
 * - Marvell 88F5281-D0
 * - Marvell 88SX7042 SATA controller (PCIe)
 * - Marvell 88E1118 Gigabit Ethernet PHY
 * - RTC S35390A (@0x30) on I2C bus
 * - 8MB NOR flash
 * - 256MB of DDR-2 RAM
 */

/*
 * 8MB NOR flash Device bus boot chip select
 */

#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M

/****************************************************************************
 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
 *     partitions on the device because we want to keep compatibility with
 *     existing QNAP firmware.
 *
 * Layout as used by QNAP:
 *  [2] 0x00000000-0x00200000 : "Kernel"
 *  [3] 0x00200000-0x00600000 : "RootFS1"
 *  [4] 0x00600000-0x00700000 : "RootFS2"
 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
 ***************************************************************************/
static struct mtd_partition qnap_ts409_partitions[] = {
    {
        .name       = "U-Boot",
        .size       = 0x00080000,
        .offset     = 0x00780000,
        .mask_flags = MTD_WRITEABLE,
    }, {
        .name       = "Kernel",
        .size       = 0x00200000,
        .offset     = 0,
    }, {
        .name       = "RootFS1",
        .size       = 0x00400000,
        .offset     = 0x00200000,
    }, {
        .name       = "RootFS2",
        .size       = 0x00100000,
        .offset     = 0x00600000,
    }, {
        .name       = "U-Boot Config",
        .size       = 0x00020000,
        .offset     = 0x00760000,
    }, {
        .name       = "NAS Config",
        .size       = 0x00060000,
        .offset     = 0x00700000,
        .mask_flags = MTD_WRITEABLE,
    },
};

static struct physmap_flash_data qnap_ts409_nor_flash_data = {
    .width      = 1,
    .parts      = qnap_ts409_partitions,
    .nr_parts   = ARRAY_SIZE(qnap_ts409_partitions)
};

static struct resource qnap_ts409_nor_flash_resource = {
    .flags  = IORESOURCE_MEM,
    .start  = QNAP_TS409_NOR_BOOT_BASE,
    .end    = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
};

static struct platform_device qnap_ts409_nor_flash = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = { .platform_data = &qnap_ts409_nor_flash_data, },
    .num_resources  = 1,
    .resource   = &qnap_ts409_nor_flash_resource,
};

/*****************************************************************************
 * PCI
 ****************************************************************************/

static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
    u8 pin)
{
    int irq;

    /*
     * Check for devices with hard-wired IRQs.
     */
    irq = orion5x_pci_map_irq(dev, slot, pin);
    if (irq != -1)
        return irq;

    /*
     * PCI isn't used on the TS-409
     */
    return -1;
}

static struct hw_pci qnap_ts409_pci __initdata = {
    .nr_controllers = 2,
    .setup      = orion5x_pci_sys_setup,
    .scan       = orion5x_pci_sys_scan_bus,
    .map_irq    = qnap_ts409_pci_map_irq,
};

static int __init qnap_ts409_pci_init(void)
{
    if (machine_is_ts409())
        pci_common_init(&qnap_ts409_pci);

    return 0;
}

subsys_initcall(qnap_ts409_pci_init);

/*****************************************************************************
 * RTC S35390A on I2C bus
 ****************************************************************************/

#define TS409_RTC_GPIO  10

static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
    I2C_BOARD_INFO("s35390a", 0x30),
};

/*****************************************************************************
 * LEDs attached to GPIO
 ****************************************************************************/

static struct gpio_led ts409_led_pins[] = {
    {
        .name       = "ts409:red:sata1",
        .gpio       = 4,
        .active_low = 1,
    }, {
        .name       = "ts409:red:sata2",
        .gpio       = 5,
        .active_low = 1,
    }, {
        .name       = "ts409:red:sata3",
        .gpio       = 6,
        .active_low = 1,
    }, {
        .name       = "ts409:red:sata4",
        .gpio       = 7,
        .active_low = 1,
    },
};

static struct gpio_led_platform_data ts409_led_data = {
    .leds       = ts409_led_pins,
    .num_leds   = ARRAY_SIZE(ts409_led_pins),
};

static struct platform_device ts409_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data  = &ts409_led_data,
    },
};

/****************************************************************************
 * GPIO Attached Keys
 *     Power button is attached to the PIC microcontroller
 ****************************************************************************/

#define QNAP_TS409_GPIO_KEY_RESET   14
#define QNAP_TS409_GPIO_KEY_MEDIA   15

static struct gpio_keys_button qnap_ts409_buttons[] = {
    {
        .code       = KEY_RESTART,
        .gpio       = QNAP_TS409_GPIO_KEY_RESET,
        .desc       = "Reset Button",
        .active_low = 1,
    }, {
        .code       = KEY_COPY,
        .gpio       = QNAP_TS409_GPIO_KEY_MEDIA,
        .desc       = "USB Copy Button",
        .active_low = 1,
    },
};

static struct gpio_keys_platform_data qnap_ts409_button_data = {
    .buttons    = qnap_ts409_buttons,
    .nbuttons   = ARRAY_SIZE(qnap_ts409_buttons),
};

static struct platform_device qnap_ts409_button_device = {
    .name       = "gpio-keys",
    .id     = -1,
    .num_resources  = 0,
    .dev        = {
        .platform_data  = &qnap_ts409_button_data,
    },
};

/*****************************************************************************
 * General Setup
 ****************************************************************************/
static unsigned int ts409_mpp_modes[] __initdata = {
    MPP0_UNUSED,
    MPP1_UNUSED,
    MPP2_UNUSED,
    MPP3_UNUSED,
    MPP4_GPIO,      /* HDD 1 status */
    MPP5_GPIO,      /* HDD 2 status */
    MPP6_GPIO,      /* HDD 3 status */
    MPP7_GPIO,      /* HDD 4 status */
    MPP8_UNUSED,
    MPP9_UNUSED,
    MPP10_GPIO,     /* RTC int */
    MPP11_UNUSED,
    MPP12_UNUSED,
    MPP13_UNUSED,
    MPP14_GPIO,     /* SW_RST */
    MPP15_GPIO,     /* USB copy button */
    MPP16_UART,     /* UART1 RXD */
    MPP17_UART,     /* UART1 TXD */
    MPP18_UNUSED,
    MPP19_UNUSED,
    0,
};

static void __init qnap_ts409_init(void)
{
    /*
     * Setup basic Orion functions. Need to be called early.
     */
    orion5x_init();

    orion5x_mpp_conf(ts409_mpp_modes);

    /*
     * Configure peripherals.
     */
    orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE,
                   QNAP_TS409_NOR_BOOT_SIZE);
    platform_device_register(&qnap_ts409_nor_flash);

    orion5x_ehci0_init();
    qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
                 qnap_ts409_partitions[5].offset,
                 qnap_ts409_partitions[5].size);
    orion5x_eth_init(&qnap_tsx09_eth_data);
    orion5x_i2c_init();
    orion5x_uart0_init();
    orion5x_uart1_init();

    platform_device_register(&qnap_ts409_button_device);

    /* Get RTC IRQ and register the chip */
    if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
        if (gpio_direction_input(TS409_RTC_GPIO) == 0)
            qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
        else
            gpio_free(TS409_RTC_GPIO);
    }
    if (qnap_ts409_i2c_rtc.irq == 0)
        pr_warning("qnap_ts409_init: failed to get RTC IRQ\n");
    i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
    platform_device_register(&ts409_leds);

    /* register tsx09 specific power-off method */
    pm_power_off = qnap_tsx09_power_off;
}

MACHINE_START(TS409, "QNAP TS-409")
    /* Maintainer:  Sylver Bruneau <[email protected]> */
    .atag_offset    = 0x100,
    .init_machine   = qnap_ts409_init,
    .map_io     = orion5x_map_io,
    .init_early = orion5x_init_early,
    .init_irq   = orion5x_init_irq,
    .timer      = &orion5x_timer,
    .fixup      = tag_fixup_mem32,
    .restart    = orion5x_restart,
MACHINE_END