linux-sg2042/arch/arm/mach-kirkwood/d2net_v2-setup.c

232 lines
6.4 KiB
C

/*
* arch/arm/mach-kirkwood/d2net_v2-setup.c
*
* LaCie d2 Network Space 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-ns2.h>
#include "common.h"
#include "mpp.h"
#include "lacie_v2-common.h"
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data d2net_v2_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data d2net_v2_sata_data = {
.n_ports = 2,
};
/*****************************************************************************
* GPIO keys
****************************************************************************/
#define D2NET_V2_GPIO_PUSH_BUTTON 34
#define D2NET_V2_GPIO_POWER_SWITCH_ON 13
#define D2NET_V2_GPIO_POWER_SWITCH_OFF 15
#define D2NET_V2_SWITCH_POWER_ON 0x1
#define D2NET_V2_SWITCH_POWER_OFF 0x2
static struct gpio_keys_button d2net_v2_buttons[] = {
[0] = {
.type = EV_SW,
.code = D2NET_V2_SWITCH_POWER_ON,
.gpio = D2NET_V2_GPIO_POWER_SWITCH_ON,
.desc = "Back power switch (on|auto)",
.active_low = 0,
},
[1] = {
.type = EV_SW,
.code = D2NET_V2_SWITCH_POWER_OFF,
.gpio = D2NET_V2_GPIO_POWER_SWITCH_OFF,
.desc = "Back power switch (auto|off)",
.active_low = 0,
},
[2] = {
.code = KEY_POWER,
.gpio = D2NET_V2_GPIO_PUSH_BUTTON,
.desc = "Front Push Button",
.active_low = 1,
},
};
static struct gpio_keys_platform_data d2net_v2_button_data = {
.buttons = d2net_v2_buttons,
.nbuttons = ARRAY_SIZE(d2net_v2_buttons),
};
static struct platform_device d2net_v2_gpio_buttons = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &d2net_v2_button_data,
},
};
/*****************************************************************************
* GPIO LEDs
****************************************************************************/
#define D2NET_V2_GPIO_RED_LED 12
static struct gpio_led d2net_v2_gpio_led_pins[] = {
{
.name = "d2net_v2:red:fail",
.gpio = D2NET_V2_GPIO_RED_LED,
},
};
static struct gpio_led_platform_data d2net_v2_gpio_leds_data = {
.num_leds = ARRAY_SIZE(d2net_v2_gpio_led_pins),
.leds = d2net_v2_gpio_led_pins,
};
static struct platform_device d2net_v2_gpio_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &d2net_v2_gpio_leds_data,
},
};
/*****************************************************************************
* Dual-GPIO CPLD LEDs
****************************************************************************/
#define D2NET_V2_GPIO_BLUE_LED_SLOW 29
#define D2NET_V2_GPIO_BLUE_LED_CMD 30
static struct ns2_led d2net_v2_led_pins[] = {
{
.name = "d2net_v2:blue:sata",
.cmd = D2NET_V2_GPIO_BLUE_LED_CMD,
.slow = D2NET_V2_GPIO_BLUE_LED_SLOW,
},
};
static struct ns2_led_platform_data d2net_v2_leds_data = {
.num_leds = ARRAY_SIZE(d2net_v2_led_pins),
.leds = d2net_v2_led_pins,
};
static struct platform_device d2net_v2_leds = {
.name = "leds-ns2",
.id = -1,
.dev = {
.platform_data = &d2net_v2_leds_data,
},
};
/*****************************************************************************
* General Setup
****************************************************************************/
static unsigned int d2net_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,
MPP12_GPO, /* Red led */
MPP13_GPIO, /* Rear power switch (on|auto) */
MPP14_GPIO, /* USB fuse */
MPP15_GPIO, /* Rear power switch (auto|off) */
MPP16_GPIO, /* SATA 0 power */
MPP21_SATA0_ACTn,
MPP24_GPIO, /* USB mode select */
MPP26_GPIO, /* USB device vbus */
MPP28_GPIO, /* USB enable host vbus */
MPP29_GPIO, /* Blue led (slow register) */
MPP30_GPIO, /* Blue led (command register) */
MPP34_GPIO, /* Power button (1 = Released, 0 = Pushed) */
MPP35_GPIO, /* Inhibit power-off */
0
};
#define D2NET_V2_GPIO_POWER_OFF 7
static void d2net_v2_power_off(void)
{
gpio_set_value(D2NET_V2_GPIO_POWER_OFF, 1);
}
static void __init d2net_v2_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_init();
kirkwood_mpp_conf(d2net_v2_mpp_config);
lacie_v2_hdd_power_init(1);
kirkwood_ehci_init();
kirkwood_ge00_init(&d2net_v2_ge00_data);
kirkwood_sata_init(&d2net_v2_sata_data);
kirkwood_uart0_init();
lacie_v2_register_flash();
lacie_v2_register_i2c_devices();
platform_device_register(&d2net_v2_leds);
platform_device_register(&d2net_v2_gpio_leds);
platform_device_register(&d2net_v2_gpio_buttons);
if (gpio_request(D2NET_V2_GPIO_POWER_OFF, "power-off") == 0 &&
gpio_direction_output(D2NET_V2_GPIO_POWER_OFF, 0) == 0)
pm_power_off = d2net_v2_power_off;
else
pr_err("d2net_v2: failed to configure power-off GPIO\n");
}
MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
.atag_offset = 0x100,
.init_machine = d2net_v2_init,
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.timer = &kirkwood_timer,
.restart = kirkwood_restart,
MACHINE_END