/* * arch/arm/mach-orion5x/d2net-setup.c * * LaCie d2Network and Big Disk Network NAS setup * * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #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/ata_platform.h> #include <linux/gpio.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" /***************************************************************************** * LaCie d2 Network Info ****************************************************************************/ /* * 512KB NOR flash Device bus boot chip select */ #define D2NET_NOR_BOOT_BASE 0xfff80000 #define D2NET_NOR_BOOT_SIZE SZ_512K /***************************************************************************** * 512KB NOR Flash on Boot Device ****************************************************************************/ /* * TODO: Check write support on flash MX29LV400CBTC-70G */ static struct mtd_partition d2net_partitions[] = { { .name = "Full512kb", .size = MTDPART_SIZ_FULL, .offset = 0, .mask_flags = MTD_WRITEABLE, }, }; static struct physmap_flash_data d2net_nor_flash_data = { .width = 1, .parts = d2net_partitions, .nr_parts = ARRAY_SIZE(d2net_partitions), }; static struct resource d2net_nor_flash_resource = { .flags = IORESOURCE_MEM, .start = D2NET_NOR_BOOT_BASE, .end = D2NET_NOR_BOOT_BASE + D2NET_NOR_BOOT_SIZE - 1, }; static struct platform_device d2net_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &d2net_nor_flash_data, }, .num_resources = 1, .resource = &d2net_nor_flash_resource, }; /***************************************************************************** * Ethernet ****************************************************************************/ static struct mv643xx_eth_platform_data d2net_eth_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; /***************************************************************************** * I2C devices ****************************************************************************/ /* * i2c addr | chip | description * 0x32 | Ricoh 5C372b | RTC * 0x3e | GMT G762 | PWM fan controller * 0x50 | HT24LC08 | eeprom (1kB) * * TODO: Add G762 support to the g760a driver. */ static struct i2c_board_info __initdata d2net_i2c_devices[] = { { I2C_BOARD_INFO("rs5c372b", 0x32), }, { I2C_BOARD_INFO("24c08", 0x50), }, }; /***************************************************************************** * SATA ****************************************************************************/ static struct mv_sata_platform_data d2net_sata_data = { .n_ports = 2, }; #define D2NET_GPIO_SATA0_POWER 3 #define D2NET_GPIO_SATA1_POWER 12 static void __init d2net_sata_power_init(void) { int err; err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power"); if (err == 0) { err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1); if (err) gpio_free(D2NET_GPIO_SATA0_POWER); } if (err) pr_err("d2net: failed to configure SATA0 power GPIO\n"); err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power"); if (err == 0) { err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1); if (err) gpio_free(D2NET_GPIO_SATA1_POWER); } if (err) pr_err("d2net: failed to configure SATA1 power GPIO\n"); } /***************************************************************************** * GPIO LED's ****************************************************************************/ /* * The blue front LED is wired to the 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: * * led_off | blink_ctrl | SATA active | LED state * | | | * 1 | x | x | off * 0 | 0 | 0 | off * 0 | 1 | 0 | blink (rate 300ms) * 0 | x | 1 | on * * Notes: The blue and the red front LED's can't be on at the same time. * Red LED have priority. */ #define D2NET_GPIO_RED_LED 6 #define D2NET_GPIO_BLUE_LED_BLINK_CTRL 16 #define D2NET_GPIO_BLUE_LED_OFF 23 static struct gpio_led d2net_leds[] = { { .name = "d2net:blue:sata", .default_trigger = "default-on", .gpio = D2NET_GPIO_BLUE_LED_OFF, .active_low = 1, }, { .name = "d2net:red:fail", .gpio = D2NET_GPIO_RED_LED, }, }; static struct gpio_led_platform_data d2net_led_data = { .num_leds = ARRAY_SIZE(d2net_leds), .leds = d2net_leds, }; static struct platform_device d2net_gpio_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &d2net_led_data, }, }; static void __init d2net_gpio_leds_init(void) { int err; /* Configure GPIO over MPP max number. */ orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1); /* Configure register blink_ctrl to allow SATA activity LED blinking. */ err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink"); if (err == 0) { err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1); if (err) gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL); } if (err) pr_err("d2net: failed to configure blue LED blink GPIO\n"); platform_device_register(&d2net_gpio_leds); } /**************************************************************************** * GPIO keys ****************************************************************************/ #define D2NET_GPIO_PUSH_BUTTON 18 #define D2NET_GPIO_POWER_SWITCH_ON 8 #define D2NET_GPIO_POWER_SWITCH_OFF 9 #define D2NET_SWITCH_POWER_ON 0x1 #define D2NET_SWITCH_POWER_OFF 0x2 static struct gpio_keys_button d2net_buttons[] = { { .type = EV_SW, .code = D2NET_SWITCH_POWER_OFF, .gpio = D2NET_GPIO_POWER_SWITCH_OFF, .desc = "Power rocker switch (auto|off)", .active_low = 0, }, { .type = EV_SW, .code = D2NET_SWITCH_POWER_ON, .gpio = D2NET_GPIO_POWER_SWITCH_ON, .desc = "Power rocker switch (on|auto)", .active_low = 0, }, { .type = EV_KEY, .code = KEY_POWER, .gpio = D2NET_GPIO_PUSH_BUTTON, .desc = "Front Push Button", .active_low = 0, }, }; static struct gpio_keys_platform_data d2net_button_data = { .buttons = d2net_buttons, .nbuttons = ARRAY_SIZE(d2net_buttons), }; static struct platform_device d2net_gpio_buttons = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &d2net_button_data, }, }; /***************************************************************************** * General Setup ****************************************************************************/ static unsigned int d2net_mpp_modes[] __initdata = { MPP0_GPIO, /* Board ID (bit 0) */ MPP1_GPIO, /* Board ID (bit 1) */ MPP2_GPIO, /* Board ID (bit 2) */ MPP3_GPIO, /* SATA 0 power */ MPP4_UNUSED, MPP5_GPIO, /* Fan fail detection */ MPP6_GPIO, /* Red front LED */ MPP7_UNUSED, MPP8_GPIO, /* Rear power switch (on|auto) */ MPP9_GPIO, /* Rear power switch (auto|off) */ MPP10_UNUSED, MPP11_UNUSED, MPP12_GPIO, /* SATA 1 power */ MPP13_UNUSED, MPP14_SATA_LED, /* SATA 0 active */ MPP15_SATA_LED, /* SATA 1 active */ MPP16_GPIO, /* Blue front LED blink control */ MPP17_UNUSED, MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */ MPP19_UNUSED, 0, /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */ /* 23: Blue front LED off */ /* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */ }; #define D2NET_GPIO_INHIBIT_POWER_OFF 24 static void __init d2net_init(void) { /* * Setup basic Orion functions. Need to be called early. */ orion5x_init(); orion5x_mpp_conf(d2net_mpp_modes); /* * Configure peripherals. */ orion5x_ehci0_init(); orion5x_eth_init(&d2net_eth_data); orion5x_i2c_init(); orion5x_uart0_init(); d2net_sata_power_init(); orion5x_sata_init(&d2net_sata_data); orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE, D2NET_NOR_BOOT_SIZE); platform_device_register(&d2net_nor_flash); platform_device_register(&d2net_gpio_buttons); d2net_gpio_leds_init(); pr_notice("d2net: Flash write are not yet supported.\n"); i2c_register_board_info(0, d2net_i2c_devices, ARRAY_SIZE(d2net_i2c_devices)); orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1); } /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */ #ifdef CONFIG_MACH_D2NET MACHINE_START(D2NET, "LaCie d2 Network") .atag_offset = 0x100, .init_machine = d2net_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 #endif #ifdef CONFIG_MACH_BIGDISK MACHINE_START(BIGDISK, "LaCie Big Disk Network") .atag_offset = 0x100, .init_machine = d2net_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 #endif