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netxbig_v2-setup.c

/*
 * arch/arm/mach-kirkwood/netxbig_v2-setup.c
 *
 * LaCie 2Big and 5Big Network v2 board setup
 *
 * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <mach/leds-netxbig.h>
#include "common.h"
#include "mpp.h"
#include "lacie_v2-common.h"

/*****************************************************************************
 * Ethernet
 ****************************************************************************/

static struct mv643xx_eth_platform_data netxbig_v2_ge00_data = {
      .phy_addr   = MV643XX_ETH_PHY_ADDR(8),
};

static struct mv643xx_eth_platform_data netxbig_v2_ge01_data = {
      .phy_addr   = MV643XX_ETH_PHY_ADDR(0),
};

/*****************************************************************************
 * SATA
 ****************************************************************************/

static struct mv_sata_platform_data netxbig_v2_sata_data = {
      .n_ports    = 2,
};

/*****************************************************************************
 * GPIO keys
 ****************************************************************************/

#define NETXBIG_V2_GPIO_SWITCH_POWER_ON         13
#define NETXBIG_V2_GPIO_SWITCH_POWER_OFF  15
#define NETXBIG_V2_GPIO_FUNC_BUTTON       34

#define NETXBIG_V2_SWITCH_POWER_ON        0x1
#define NETXBIG_V2_SWITCH_POWER_OFF       0x2

static struct gpio_keys_button netxbig_v2_buttons[] = {
      [0] = {
            .type           = EV_SW,
            .code           = NETXBIG_V2_SWITCH_POWER_ON,
            .gpio           = NETXBIG_V2_GPIO_SWITCH_POWER_ON,
            .desc           = "Back power switch (on|auto)",
            .active_low     = 1,
      },
      [1] = {
            .type           = EV_SW,
            .code           = NETXBIG_V2_SWITCH_POWER_OFF,
            .gpio           = NETXBIG_V2_GPIO_SWITCH_POWER_OFF,
            .desc           = "Back power switch (auto|off)",
            .active_low     = 1,
      },
      [2] = {
            .code       = KEY_OPTION,
            .gpio       = NETXBIG_V2_GPIO_FUNC_BUTTON,
            .desc       = "Function button",
            .active_low = 1,
      },
};

static struct gpio_keys_platform_data netxbig_v2_button_data = {
      .buttons    = netxbig_v2_buttons,
      .nbuttons   = ARRAY_SIZE(netxbig_v2_buttons),
};

static struct platform_device netxbig_v2_gpio_buttons = {
      .name       = "gpio-keys",
      .id         = -1,
      .dev        = {
            .platform_data    = &netxbig_v2_button_data,
      },
};

/*****************************************************************************
 * GPIO extension LEDs
 ****************************************************************************/

/*
 * The LEDs are controlled by a CPLD and can be configured through a GPIO
 * extension bus:
 *
 * - address register : bit [0-2] -> GPIO [47-49]
 * - data register    : bit [0-2] -> GPIO [44-46]
 * - enable register  : GPIO 29
 */

static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };

static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
      .addr       = netxbig_v2_gpio_ext_addr,
      .num_addr   = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
      .data       = netxbig_v2_gpio_ext_data,
      .num_data   = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
      .enable           = 29,
};

/*
 * Address register selection:
 *
 * addr | register
 * ----------------------------
 *   0  | front LED
 *   1  | front LED brightness
 *   2  | SATA LED brightness
 *   3  | SATA0 LED
 *   4  | SATA1 LED
 *   5  | SATA2 LED
 *   6  | SATA3 LED
 *   7  | SATA4 LED
 *
 * Data register configuration:
 *
 * data | LED brightness
 * -------------------------------------------------
 *   0  | min (off)
 *   -  | -
 *   7  | max
 *
 * data | front LED mode
 * -------------------------------------------------
 *   0  | fix off
 *   1  | fix blue on
 *   2  | fix red on
 *   3  | blink blue on=1 sec and blue off=1 sec
 *   4  | blink red on=1 sec and red off=1 sec
 *   5  | blink blue on=2.5 sec and red on=0.5 sec
 *   6  | blink blue on=1 sec and red on=1 sec
 *   7  | blink blue on=0.5 sec and blue off=2.5 sec
 *
 * data | SATA LED mode
 * -------------------------------------------------
 *   0  | fix off
 *   1  | SATA activity blink
 *   2  | fix red on
 *   3  | blink blue on=1 sec and blue off=1 sec
 *   4  | blink red on=1 sec and red off=1 sec
 *   5  | blink blue on=2.5 sec and red on=0.5 sec
 *   6  | blink blue on=1 sec and red on=1 sec
 *   7  | fix blue on
 */

static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
      [NETXBIG_LED_OFF] = 0,
      [NETXBIG_LED_ON]  = 2,
      [NETXBIG_LED_SATA]      = NETXBIG_LED_INVALID_MODE,
      [NETXBIG_LED_TIMER1]    = 4,
      [NETXBIG_LED_TIMER2]    = NETXBIG_LED_INVALID_MODE,
};

static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
      [NETXBIG_LED_OFF] = 0,
      [NETXBIG_LED_ON]  = 1,
      [NETXBIG_LED_SATA]      = NETXBIG_LED_INVALID_MODE,
      [NETXBIG_LED_TIMER1]    = 3,
      [NETXBIG_LED_TIMER2]    = 7,
};

static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
      [NETXBIG_LED_OFF] = 0,
      [NETXBIG_LED_ON]  = 7,
      [NETXBIG_LED_SATA]      = 1,
      [NETXBIG_LED_TIMER1]    = 3,
      [NETXBIG_LED_TIMER2]    = NETXBIG_LED_INVALID_MODE,
};

static struct netxbig_led_timer netxbig_v2_led_timer[] = {
      [0] = {
            .delay_on   = 500,
            .delay_off  = 500,
            .mode       = NETXBIG_LED_TIMER1,
      },
      [1] = {
            .delay_on   = 500,
            .delay_off  = 1000,
            .mode       = NETXBIG_LED_TIMER2,
      },
};

#define NETXBIG_LED(_name, maddr, mval, baddr)              \
      { .name           = _name,                      \
        .mode_addr      = maddr,                      \
        .mode_val = mval,                             \
        .bright_addr    = baddr }

static struct netxbig_led net2big_v2_leds_ctrl[] = {
      NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),
      NETXBIG_LED("net2big-v2:red:power",  0, netxbig_v2_red_mled,       1),
      NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net2big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),
      NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net2big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),
};

static struct netxbig_led_platform_data net2big_v2_leds_data = {
      .gpio_ext   = &netxbig_v2_gpio_ext,
      .timer            = netxbig_v2_led_timer,
      .num_timer  = ARRAY_SIZE(netxbig_v2_led_timer),
      .leds       = net2big_v2_leds_ctrl,
      .num_leds   = ARRAY_SIZE(net2big_v2_leds_ctrl),
};

static struct netxbig_led net5big_v2_leds_ctrl[] = {
      NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),
      NETXBIG_LED("net5big-v2:red:power",  0, netxbig_v2_red_mled,       1),
      NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net5big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),
      NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net5big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),
      NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net5big-v2:red:sata2",  5, netxbig_v2_red_mled,       2),
      NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net5big-v2:red:sata3",  6, netxbig_v2_red_mled,       2),
      NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
      NETXBIG_LED("net5big-v2:red:sata5",  7, netxbig_v2_red_mled,       2),
};

static struct netxbig_led_platform_data net5big_v2_leds_data = {
      .gpio_ext   = &netxbig_v2_gpio_ext,
      .timer            = netxbig_v2_led_timer,
      .num_timer  = ARRAY_SIZE(netxbig_v2_led_timer),
      .leds       = net5big_v2_leds_ctrl,
      .num_leds   = ARRAY_SIZE(net5big_v2_leds_ctrl),
};

static struct platform_device netxbig_v2_leds = {
      .name       = "leds-netxbig",
      .id         = -1,
      .dev        = {
            .platform_data    = &net2big_v2_leds_data,
      },
};

/*****************************************************************************
 * General Setup
 ****************************************************************************/

static unsigned int net2big_v2_mpp_config[] __initdata = {
      MPP0_SPI_SCn,
      MPP1_SPI_MOSI,
      MPP2_SPI_SCK,
      MPP3_SPI_MISO,
      MPP6_SYSRST_OUTn,
      MPP7_GPO,         /* Request power-off */
      MPP8_TW0_SDA,
      MPP9_TW0_SCK,
      MPP10_UART0_TXD,
      MPP11_UART0_RXD,
      MPP13_GPIO,       /* Rear power switch (on|auto) */
      MPP14_GPIO,       /* USB fuse alarm */
      MPP15_GPIO,       /* Rear power switch (auto|off) */
      MPP16_GPIO,       /* SATA HDD1 power */
      MPP17_GPIO,       /* SATA HDD2 power */
      MPP20_SATA1_ACTn,
      MPP21_SATA0_ACTn,
      MPP24_GPIO,       /* USB mode select */
      MPP26_GPIO,       /* USB device vbus */
      MPP28_GPIO,       /* USB enable host vbus */
      MPP29_GPIO,       /* GPIO extension ALE */
      MPP34_GPIO,       /* Rear Push button */
      MPP35_GPIO,       /* Inhibit switch power-off */
      MPP36_GPIO,       /* SATA HDD1 presence */
      MPP37_GPIO,       /* SATA HDD2 presence */
      MPP40_GPIO,       /* eSATA presence */
      MPP44_GPIO,       /* GPIO extension (data 0) */
      MPP45_GPIO,       /* GPIO extension (data 1) */
      MPP46_GPIO,       /* GPIO extension (data 2) */
      MPP47_GPIO,       /* GPIO extension (addr 0) */
      MPP48_GPIO,       /* GPIO extension (addr 1) */
      MPP49_GPIO,       /* GPIO extension (addr 2) */
      0
};

static unsigned int net5big_v2_mpp_config[] __initdata = {
      MPP0_SPI_SCn,
      MPP1_SPI_MOSI,
      MPP2_SPI_SCK,
      MPP3_SPI_MISO,
      MPP6_SYSRST_OUTn,
      MPP7_GPO,         /* Request power-off */
      MPP8_TW0_SDA,
      MPP9_TW0_SCK,
      MPP10_UART0_TXD,
      MPP11_UART0_RXD,
      MPP13_GPIO,       /* Rear power switch (on|auto) */
      MPP14_GPIO,       /* USB fuse alarm */
      MPP15_GPIO,       /* Rear power switch (auto|off) */
      MPP16_GPIO,       /* SATA HDD1 power */
      MPP17_GPIO,       /* SATA HDD2 power */
      MPP20_GE1_TXD0,
      MPP21_GE1_TXD1,
      MPP22_GE1_TXD2,
      MPP23_GE1_TXD3,
      MPP24_GE1_RXD0,
      MPP25_GE1_RXD1,
      MPP26_GE1_RXD2,
      MPP27_GE1_RXD3,
      MPP28_GPIO,       /* USB enable host vbus */
      MPP29_GPIO,       /* GPIO extension ALE */
      MPP30_GE1_RXCTL,
      MPP31_GE1_RXCLK,
      MPP32_GE1_TCLKOUT,
      MPP33_GE1_TXCTL,
      MPP34_GPIO,       /* Rear Push button */
      MPP35_GPIO,       /* Inhibit switch power-off */
      MPP36_GPIO,       /* SATA HDD1 presence */
      MPP37_GPIO,       /* SATA HDD2 presence */
      MPP38_GPIO,       /* SATA HDD3 presence */
      MPP39_GPIO,       /* SATA HDD4 presence */
      MPP40_GPIO,       /* SATA HDD5 presence */
      MPP41_GPIO,       /* SATA HDD3 power */
      MPP42_GPIO,       /* SATA HDD4 power */
      MPP43_GPIO,       /* SATA HDD5 power */
      MPP44_GPIO,       /* GPIO extension (data 0) */
      MPP45_GPIO,       /* GPIO extension (data 1) */
      MPP46_GPIO,       /* GPIO extension (data 2) */
      MPP47_GPIO,       /* GPIO extension (addr 0) */
      MPP48_GPIO,       /* GPIO extension (addr 1) */
      MPP49_GPIO,       /* GPIO extension (addr 2) */
      0
};

#define NETXBIG_V2_GPIO_POWER_OFF         7

static void netxbig_v2_power_off(void)
{
      gpio_set_value(NETXBIG_V2_GPIO_POWER_OFF, 1);
}

static void __init netxbig_v2_init(void)
{
      /*
       * Basic setup. Needs to be called early.
       */
      kirkwood_init();
      if (machine_is_net2big_v2())
            kirkwood_mpp_conf(net2big_v2_mpp_config);
      else
            kirkwood_mpp_conf(net5big_v2_mpp_config);

      if (machine_is_net2big_v2())
            lacie_v2_hdd_power_init(2);
      else
            lacie_v2_hdd_power_init(5);

      kirkwood_ehci_init();
      kirkwood_ge00_init(&netxbig_v2_ge00_data);
      if (machine_is_net5big_v2())
            kirkwood_ge01_init(&netxbig_v2_ge01_data);
      kirkwood_sata_init(&netxbig_v2_sata_data);
      kirkwood_uart0_init();
      lacie_v2_register_flash();
      lacie_v2_register_i2c_devices();

      if (machine_is_net5big_v2())
            netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
      platform_device_register(&netxbig_v2_leds);
      platform_device_register(&netxbig_v2_gpio_buttons);

      if (gpio_request(NETXBIG_V2_GPIO_POWER_OFF, "power-off") == 0 &&
          gpio_direction_output(NETXBIG_V2_GPIO_POWER_OFF, 0) == 0)
            pm_power_off = netxbig_v2_power_off;
      else
            pr_err("netxbig_v2: failed to configure power-off GPIO\n");
}

#ifdef CONFIG_MACH_NET2BIG_V2
MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2")
      .boot_params      = 0x00000100,
      .init_machine     = netxbig_v2_init,
      .map_io           = kirkwood_map_io,
      .init_irq   = kirkwood_init_irq,
      .timer            = &kirkwood_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_NET5BIG_V2
MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2")
      .boot_params      = 0x00000100,
      .init_machine     = netxbig_v2_init,
      .map_io           = kirkwood_map_io,
      .init_irq   = kirkwood_init_irq,
      .timer            = &kirkwood_timer,
MACHINE_END
#endif

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