/* * arch/arm/mach-orion5x/net2big-setup.c * * LaCie 2Big 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/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 <linux/delay.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <plat/orion-gpio.h> #include "common.h" #include "mpp.h" #include "orion5x.h" /***************************************************************************** * LaCie 2Big Network Info ****************************************************************************/ /* * 512KB NOR flash Device bus boot chip select */ #define NET2BIG_NOR_BOOT_BASE 0xfff80000 #define NET2BIG_NOR_BOOT_SIZE SZ_512K /***************************************************************************** * 512KB NOR Flash on Boot Device ****************************************************************************/ /* * TODO: Check write support on flash MX29LV400CBTC-70G */ static struct mtd_partition net2big_partitions[] = { { .name = "Full512kb", .size = MTDPART_SIZ_FULL, .offset = 0x00000000, .mask_flags = MTD_WRITEABLE, }, }; static struct physmap_flash_data net2big_nor_flash_data = { .width = 1, .parts = net2big_partitions, .nr_parts = ARRAY_SIZE(net2big_partitions), }; static struct resource net2big_nor_flash_resource = { .flags = IORESOURCE_MEM, .start = NET2BIG_NOR_BOOT_BASE, .end = NET2BIG_NOR_BOOT_BASE + NET2BIG_NOR_BOOT_SIZE - 1, }; static struct platform_device net2big_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &net2big_nor_flash_data, }, .num_resources = 1, .resource = &net2big_nor_flash_resource, }; /***************************************************************************** * Ethernet ****************************************************************************/ static struct mv643xx_eth_platform_data net2big_eth_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; /***************************************************************************** * I2C devices ****************************************************************************/ /* * i2c addr | chip | description * 0x32 | Ricoh 5C372b | RTC * 0x50 | HT24LC08 | eeprom (1kB) */ static struct i2c_board_info __initdata net2big_i2c_devices[] = { { I2C_BOARD_INFO("rs5c372b", 0x32), }, { I2C_BOARD_INFO("24c08", 0x50), }, }; /***************************************************************************** * SATA ****************************************************************************/ static struct mv_sata_platform_data net2big_sata_data = { .n_ports = 2, }; #define NET2BIG_GPIO_SATA_POWER_REQ 19 #define NET2BIG_GPIO_SATA0_POWER 23 #define NET2BIG_GPIO_SATA1_POWER 25 static void __init net2big_sata_power_init(void) { int err; /* Configure GPIOs over MPP max number. */ orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1); orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1); err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status"); if (err == 0) { err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER); if (err) gpio_free(NET2BIG_GPIO_SATA0_POWER); } if (err) { pr_err("net2big: failed to setup SATA0 power GPIO\n"); return; } err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status"); if (err == 0) { err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER); if (err) gpio_free(NET2BIG_GPIO_SATA1_POWER); } if (err) { pr_err("net2big: failed to setup SATA1 power GPIO\n"); goto err_free_1; } err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request"); if (err == 0) { err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0); if (err) gpio_free(NET2BIG_GPIO_SATA_POWER_REQ); } if (err) { pr_err("net2big: failed to setup SATA power request GPIO\n"); goto err_free_2; } if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) && gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) { return; } /* * SATA power up on both disk is done by pulling high the CPLD power * request line. The 300ms delay is related to the CPLD clock and is * needed to be sure that the CPLD has take into account the low line * status. */ msleep(300); gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1); pr_info("net2big: power up SATA hard disks\n"); return; err_free_2: gpio_free(NET2BIG_GPIO_SATA1_POWER); err_free_1: gpio_free(NET2BIG_GPIO_SATA0_POWER); return; } /***************************************************************************** * GPIO LEDs ****************************************************************************/ /* * The power front LEDs (blue and red) and SATA red LEDs are controlled via a * single GPIO line and are compatible with the leds-gpio driver. * * The SATA blue LEDs have some hardware blink capabilities which are detailed * in the following array: * * SATAx blue LED | SATAx activity | LED state * | | * 0 | 0 | blink (rate 300ms) * 1 | 0 | off * ? | 1 | on * * Notes: The blue and the red front LED's can't be on at the same time. * Blue LED have priority. */ #define NET2BIG_GPIO_PWR_RED_LED 6 #define NET2BIG_GPIO_PWR_BLUE_LED 16 #define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7 #define NET2BIG_GPIO_SATA0_RED_LED 11 #define NET2BIG_GPIO_SATA1_RED_LED 10 #define NET2BIG_GPIO_SATA0_BLUE_LED 17 #define NET2BIG_GPIO_SATA1_BLUE_LED 13 static struct gpio_led net2big_leds[] = { { .name = "net2big:red:power", .gpio = NET2BIG_GPIO_PWR_RED_LED, }, { .name = "net2big:blue:power", .gpio = NET2BIG_GPIO_PWR_BLUE_LED, }, { .name = "net2big:red:sata0", .gpio = NET2BIG_GPIO_SATA0_RED_LED, }, { .name = "net2big:red:sata1", .gpio = NET2BIG_GPIO_SATA1_RED_LED, }, }; static struct gpio_led_platform_data net2big_led_data = { .num_leds = ARRAY_SIZE(net2big_leds), .leds = net2big_leds, }; static struct platform_device net2big_gpio_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &net2big_led_data, }, }; static void __init net2big_gpio_leds_init(void) { int err; /* Stop initial CPLD slow red/blue blinking on power LED. */ err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP, "Power LED blink stop"); if (err == 0) { err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1); if (err) gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP); } if (err) pr_err("net2big: failed to setup power LED blink GPIO\n"); /* * Configure SATA0 and SATA1 blue LEDs to blink in relation with the * hard disk activity. */ err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED, "SATA0 blue LED control"); if (err == 0) { err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1); if (err) gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED); } if (err) pr_err("net2big: failed to setup SATA0 blue LED GPIO\n"); err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED, "SATA1 blue LED control"); if (err == 0) { err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1); if (err) gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED); } if (err) pr_err("net2big: failed to setup SATA1 blue LED GPIO\n"); platform_device_register(&net2big_gpio_leds); } /**************************************************************************** * GPIO keys ****************************************************************************/ #define NET2BIG_GPIO_PUSH_BUTTON 18 #define NET2BIG_GPIO_POWER_SWITCH_ON 8 #define NET2BIG_GPIO_POWER_SWITCH_OFF 9 #define NET2BIG_SWITCH_POWER_ON 0x1 #define NET2BIG_SWITCH_POWER_OFF 0x2 static struct gpio_keys_button net2big_buttons[] = { { .type = EV_SW, .code = NET2BIG_SWITCH_POWER_OFF, .gpio = NET2BIG_GPIO_POWER_SWITCH_OFF, .desc = "Power rocker switch (auto|off)", .active_low = 0, }, { .type = EV_SW, .code = NET2BIG_SWITCH_POWER_ON, .gpio = NET2BIG_GPIO_POWER_SWITCH_ON, .desc = "Power rocker switch (on|auto)", .active_low = 0, }, { .type = EV_KEY, .code = KEY_POWER, .gpio = NET2BIG_GPIO_PUSH_BUTTON, .desc = "Front Push Button", .active_low = 0, }, }; static struct gpio_keys_platform_data net2big_button_data = { .buttons = net2big_buttons, .nbuttons = ARRAY_SIZE(net2big_buttons), }; static struct platform_device net2big_gpio_buttons = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &net2big_button_data, }, }; /***************************************************************************** * General Setup ****************************************************************************/ static unsigned int net2big_mpp_modes[] __initdata = { MPP0_GPIO, /* Raid mode (bit 0) */ MPP1_GPIO, /* USB port 2 fuse (0 = Fail, 1 = Ok) */ MPP2_GPIO, /* Raid mode (bit 1) */ MPP3_GPIO, /* Board ID (bit 0) */ MPP4_GPIO, /* Fan activity (0 = Off, 1 = On) */ MPP5_GPIO, /* Fan fail detection */ MPP6_GPIO, /* Red front LED (0 = Off, 1 = On) */ MPP7_GPIO, /* Disable initial blinking on front LED */ MPP8_GPIO, /* Rear power switch (on|auto) */ MPP9_GPIO, /* Rear power switch (auto|off) */ MPP10_GPIO, /* SATA 1 red LED (0 = Off, 1 = On) */ MPP11_GPIO, /* SATA 0 red LED (0 = Off, 1 = On) */ MPP12_GPIO, /* Board ID (bit 1) */ MPP13_GPIO, /* SATA 1 blue LED blink control */ MPP14_SATA_LED, MPP15_SATA_LED, MPP16_GPIO, /* Blue front LED control */ MPP17_GPIO, /* SATA 0 blue LED blink control */ MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */ MPP19_GPIO, /* SATA{0,1} power On/Off request */ 0, /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */ /* 23: SATA 0 power status */ /* 24: Board power off */ /* 25: SATA 1 power status */ }; #define NET2BIG_GPIO_POWER_OFF 24 static void net2big_power_off(void) { gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1); } static void __init net2big_init(void) { /* * Setup basic Orion functions. Need to be called early. */ orion5x_init(); orion5x_mpp_conf(net2big_mpp_modes); /* * Configure peripherals. */ orion5x_ehci0_init(); orion5x_ehci1_init(); orion5x_eth_init(&net2big_eth_data); orion5x_i2c_init(); orion5x_uart0_init(); orion5x_xor_init(); net2big_sata_power_init(); orion5x_sata_init(&net2big_sata_data); mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, ORION_MBUS_DEVBUS_BOOT_ATTR, NET2BIG_NOR_BOOT_BASE, NET2BIG_NOR_BOOT_SIZE); platform_device_register(&net2big_nor_flash); platform_device_register(&net2big_gpio_buttons); net2big_gpio_leds_init(); i2c_register_board_info(0, net2big_i2c_devices, ARRAY_SIZE(net2big_i2c_devices)); orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1); if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 && gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0) pm_power_off = net2big_power_off; else pr_err("net2big: failed to configure power-off GPIO\n"); pr_notice("net2big: Flash writing is not yet supported.\n"); } /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */ MACHINE_START(NET2BIG, "LaCie 2Big Network") .atag_offset = 0x100, .nr_irqs = ORION5X_NR_IRQS, .init_machine = net2big_init, .map_io = orion5x_map_io, .init_early = orion5x_init_early, .init_irq = orion5x_init_irq, .init_time = orion5x_timer_init, .fixup = tag_fixup_mem32, .restart = orion5x_restart, MACHINE_END