--- /dev/null
+/*
+ * arch/arm/mach-kirkwood/netspace_v2-setup.c
+ *
+ * LaCie Network Space v2 board setup
+ *
+ * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
+ * Copyright (C) 2009 Benoît Canet <benoit.canet@gmail.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/mtd/physmap.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.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 <asm/mach/time.h>
+#include <mach/kirkwood.h>
+#include <plat/time.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005)
+ ****************************************************************************/
+
+static struct mtd_partition netspace_v2_flash_parts[] = {
+ {
+ .name = "u-boot",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+};
+
+static const struct flash_platform_data netspace_v2_flash = {
+ .type = "mx25l4005a",
+ .name = "spi_flash",
+ .parts = netspace_v2_flash_parts,
+ .nr_parts = ARRAY_SIZE(netspace_v2_flash_parts),
+};
+
+static struct spi_board_info __initdata netspace_v2_spi_slave_info[] = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &netspace_v2_flash,
+ .irq = -1,
+ .max_speed_hz = 20000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ },
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data netspace_v2_ge00_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * I2C devices
+ ****************************************************************************/
+
+static struct at24_platform_data at24c04 = {
+ .byte_len = SZ_4K / 8,
+ .page_size = 16,
+};
+
+/*
+ * i2c addr | chip | description
+ * 0x50 | HT24LC04 | eeprom (512B)
+ */
+
+static struct i2c_board_info __initdata netspace_v2_i2c_info[] = {
+ {
+ I2C_BOARD_INFO("24c04", 0x50),
+ .platform_data = &at24c04,
+ }
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data netspace_v2_sata_data = {
+ .n_ports = 2,
+};
+
+#define NETSPACE_V2_GPIO_SATA0_POWER 16
+#define NETSPACE_V2_GPIO_SATA1_POWER 17
+
+static void __init netspace_v2_sata_power_init(void)
+{
+ int err;
+
+ err = gpio_request(NETSPACE_V2_GPIO_SATA0_POWER, "SATA0 power");
+ if (err == 0) {
+ err = gpio_direction_output(NETSPACE_V2_GPIO_SATA0_POWER, 1);
+ if (err)
+ gpio_free(NETSPACE_V2_GPIO_SATA0_POWER);
+ }
+ if (err)
+ pr_err("netspace_v2: failed to setup SATA0 power\n");
+}
+
+/*****************************************************************************
+ * GPIO keys
+ ****************************************************************************/
+
+#define NETSPACE_V2_PUSH_BUTTON 32
+
+static struct gpio_keys_button netspace_v2_buttons[] = {
+ [0] = {
+ .code = KEY_POWER,
+ .gpio = NETSPACE_V2_PUSH_BUTTON,
+ .desc = "Power push button",
+ .active_low = 0,
+ },
+};
+
+static struct gpio_keys_platform_data netspace_v2_button_data = {
+ .buttons = netspace_v2_buttons,
+ .nbuttons = ARRAY_SIZE(netspace_v2_buttons),
+};
+
+static struct platform_device netspace_v2_gpio_buttons = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &netspace_v2_button_data,
+ },
+};
+
+/*****************************************************************************
+ * GPIO LEDs
+ ****************************************************************************/
+
+/*
+ * The blue front LED is wired to a CPLD and can blink in relation with the
+ * SATA activity.
+ *
+ * The following array detail the different LED registers and the combination
+ * of their possible values:
+ *
+ * cmd_led | slow_led | /SATA active | LED state
+ * | | |
+ * 1 | 0 | x | off
+ * - | 1 | x | on
+ * 0 | 0 | 1 | on
+ * 0 | 0 | 0 | blink (rate 300ms)
+ */
+
+#define NETSPACE_V2_GPIO_RED_LED 12
+#define NETSPACE_V2_GPIO_BLUE_LED_SLOW 29
+#define NETSPACE_V2_GPIO_BLUE_LED_CMD 30
+
+
+static struct gpio_led netspace_v2_gpio_led_pins[] = {
+ {
+ .name = "ns_v2:red:fail",
+ .gpio = NETSPACE_V2_GPIO_RED_LED,
+ },
+};
+
+static struct gpio_led_platform_data netspace_v2_gpio_leds_data = {
+ .num_leds = ARRAY_SIZE(netspace_v2_gpio_led_pins),
+ .leds = netspace_v2_gpio_led_pins,
+};
+
+static struct platform_device netspace_v2_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &netspace_v2_gpio_leds_data,
+ },
+};
+
+static void __init netspace_v2_gpio_leds_init(void)
+{
+ platform_device_register(&netspace_v2_gpio_leds);
+
+ /*
+ * Configure the front blue LED to blink in relation with the SATA
+ * activity.
+ */
+ if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW,
+ "SATA blue LED slow") != 0)
+ return;
+ if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0) != 0)
+ goto err_free_1;
+ if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_CMD,
+ "SATA blue LED command") != 0)
+ goto err_free_1;
+ if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_CMD, 0) != 0)
+ goto err_free_2;
+
+ return;
+
+err_free_2:
+ gpio_free(NETSPACE_V2_GPIO_BLUE_LED_CMD);
+err_free_1:
+ gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW);
+ pr_err("netspace_v2: failed to configure SATA blue LED\n");
+}
+
+/*****************************************************************************
+ * Timer
+ ****************************************************************************/
+
+static void netspace_v2_timer_init(void)
+{
+ kirkwood_tclk = 166666667;
+ orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
+}
+
+struct sys_timer netspace_v2_timer = {
+ .init = netspace_v2_timer_init,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static unsigned int netspace_v2_mpp_config[] __initdata = {
+ MPP0_SPI_SCn,
+ MPP1_SPI_MOSI,
+ MPP2_SPI_SCK,
+ MPP3_SPI_MISO,
+ MPP4_NF_IO6,
+ MPP5_NF_IO7,
+ MPP6_SYSRST_OUTn,
+ MPP8_TW_SDA,
+ MPP9_TW_SCK,
+ MPP10_UART0_TXD,
+ MPP11_UART0_RXD,
+ MPP12_GPO, /* Red led */
+ MPP14_GPIO, /* USB fuse */
+ MPP16_GPIO, /* SATA 0 power */
+ MPP18_NF_IO0,
+ MPP19_NF_IO1,
+ MPP20_SATA1_ACTn,
+ MPP21_SATA0_ACTn,
+ MPP24_GPIO, /* USB mode select */
+ MPP25_GPIO, /* Fan rotation fail */
+ MPP26_GPIO, /* USB device vbus */
+ MPP28_GPIO, /* USB enable host vbus */
+ MPP29_GPIO, /* Blue led (slow register) */
+ MPP30_GPIO, /* Blue led (command register) */
+ MPP31_GPIO, /* Board power off */
+ MPP32_GPIO, /* Power button (0 = Released, 1 = Pushed) */
+ 0
+};
+
+#define NETSPACE_V2_GPIO_POWER_OFF 31
+
+static void netspace_v2_power_off(void)
+{
+ gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1);
+}
+
+static void __init netspace_v2_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ kirkwood_init();
+ kirkwood_mpp_conf(netspace_v2_mpp_config);
+
+ netspace_v2_sata_power_init();
+
+ kirkwood_ehci_init();
+ kirkwood_ge00_init(&netspace_v2_ge00_data);
+ kirkwood_sata_init(&netspace_v2_sata_data);
+ kirkwood_uart0_init();
+ spi_register_board_info(netspace_v2_spi_slave_info,
+ ARRAY_SIZE(netspace_v2_spi_slave_info));
+ kirkwood_spi_init();
+ kirkwood_i2c_init();
+ i2c_register_board_info(0, netspace_v2_i2c_info,
+ ARRAY_SIZE(netspace_v2_i2c_info));
+
+ netspace_v2_gpio_leds_init();
+ platform_device_register(&netspace_v2_gpio_buttons);
+
+ if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&
+ gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)
+ pm_power_off = netspace_v2_power_off;
+ else
+ pr_err("netspace_v2: failed to configure power-off GPIO\n");
+}
+
+MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
+ .phys_io = KIRKWOOD_REGS_PHYS_BASE,
+ .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = netspace_v2_init,
+ .map_io = kirkwood_map_io,
+ .init_irq = kirkwood_init_irq,
+ .timer = &netspace_v2_timer,
+MACHINE_END
git.openpandora.org / pandora-kernel.git / commitdiff