| /* |
| * 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 |
