projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4aff38a3 MW |
1 | /* |
| 2 | * Copyright 2012 (C), Michael Walle <michael@walle.cc> | |
| 3 | * | |
| 4 | * arch/arm/mach-kirkwood/board-lsxl.c | |
| 5 | * | |
| 6 | * Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not | |
| 7 | * converted to flattened device tree yet. | |
| 8 | * | |
| 9 | * This file is licensed under the terms of the GNU General Public | |
| 10 | * License version 2. This program is licensed "as is" without any | |
| 11 | * warranty of any kind, whether express or implied. | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/kernel.h> | |
| 15 | #include <linux/init.h> | |
| 16 | #include <linux/platform_device.h> | |
| 17 | #include <linux/mtd/partitions.h> | |
| 18 | #include <linux/ata_platform.h> | |
| 19 | #include <linux/spi/flash.h> | |
| 20 | #include <linux/spi/spi.h> | |
| 21 | #include <linux/mv643xx_eth.h> | |
| 22 | #include <linux/gpio.h> | |
| 23 | #include <linux/gpio-fan.h> | |
| 24 | #include <linux/input.h> | |
| 25 | #include <asm/mach-types.h> | |
| 26 | #include <asm/mach/arch.h> | |
| 27 | #include <mach/kirkwood.h> | |
| 28 | #include "common.h" | |
| 29 | #include "mpp.h" | |
| 30 | ||
| 31 | static struct mv643xx_eth_platform_data lsxl_ge00_data = { | |
| 32 | .phy_addr = MV643XX_ETH_PHY_ADDR(0), | |
| 33 | }; | |
| 34 | ||
| 35 | static struct mv643xx_eth_platform_data lsxl_ge01_data = { | |
| 36 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), | |
| 37 | }; | |
| 38 | ||
| 39 | static unsigned int lsxl_mpp_config[] __initdata = { | |
| 40 | MPP10_GPO, /* HDD Power Enable */ | |
| 41 | MPP11_GPIO, /* USB Vbus Enable */ | |
| 42 | MPP18_GPO, /* FAN High Enable# */ | |
| 43 | MPP19_GPO, /* FAN Low Enable# */ | |
| 44 | MPP36_GPIO, /* Function Blue LED */ | |
| 45 | MPP37_GPIO, /* Alarm LED */ | |
| 46 | MPP38_GPIO, /* Info LED */ | |
| 47 | MPP39_GPIO, /* Power LED */ | |
| 48 | MPP40_GPIO, /* Fan Lock */ | |
| 49 | MPP41_GPIO, /* Function Button */ | |
| 50 | MPP42_GPIO, /* Power Switch */ | |
| 51 | MPP43_GPIO, /* Power Auto Switch */ | |
| 52 | MPP48_GPIO, /* Function Red LED */ | |
| 53 | 0 | |
| 54 | }; | |
| 55 | ||
| 56 | #define LSXL_GPIO_FAN_HIGH 18 | |
| 57 | #define LSXL_GPIO_FAN_LOW 19 | |
| 58 | #define LSXL_GPIO_FAN_LOCK 40 | |
| 59 | ||
| 60 | static struct gpio_fan_alarm lsxl_alarm = { | |
| 61 | .gpio = LSXL_GPIO_FAN_LOCK, | |
| 62 | }; | |
| 63 | ||
| 64 | static struct gpio_fan_speed lsxl_speeds[] = { | |
| 65 | { | |
| 66 | .rpm = 0, | |
| 67 | .ctrl_val = 3, | |
| 68 | }, { | |
| 69 | .rpm = 1500, | |
| 70 | .ctrl_val = 1, | |
| 71 | }, { | |
| 72 | .rpm = 3250, | |
| 73 | .ctrl_val = 2, | |
| 74 | }, { | |
| 75 | .rpm = 5000, | |
| 76 | .ctrl_val = 0, | |
| 77 | } | |
| 78 | }; | |
| 79 | ||
| 80 | static int lsxl_gpio_list[] = { | |
| 81 | LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW, | |
| 82 | }; | |
| 83 | ||
| 84 | static struct gpio_fan_platform_data lsxl_fan_data = { | |
| 85 | .num_ctrl = ARRAY_SIZE(lsxl_gpio_list), | |
| 86 | .ctrl = lsxl_gpio_list, | |
| 87 | .alarm = &lsxl_alarm, | |
| 88 | .num_speed = ARRAY_SIZE(lsxl_speeds), | |
| 89 | .speed = lsxl_speeds, | |
| 90 | }; | |
| 91 | ||
| 92 | static struct platform_device lsxl_fan_device = { | |
| 93 | .name = "gpio-fan", | |
| 94 | .id = -1, | |
| 95 | .num_resources = 0, | |
| 96 | .dev = { | |
| 97 | .platform_data = &lsxl_fan_data, | |
| 98 | }, | |
| 99 | }; | |
| 100 | ||
| 101 | /* | |
| 102 | * On the LS-XHL/LS-CHLv2, the shutdown process is following: | |
| 103 | * - Userland monitors key events until the power switch goes to off position | |
| 104 | * - The board reboots | |
| 105 | * - U-boot starts and goes into an idle mode waiting for the user | |
| 106 | * to move the switch to ON position | |
| 107 | * | |
| 108 | */ | |
| 109 | static void lsxl_power_off(void) | |
| 110 | { | |
| 111 | kirkwood_restart('h', NULL); | |
| 112 | } | |
| 113 | ||
| 114 | #define LSXL_GPIO_HDD_POWER 10 | |
| 115 | #define LSXL_GPIO_USB_POWER 11 | |
| 116 | ||
| 117 | void __init lsxl_init(void) | |
| 118 | { | |
| 119 | /* | |
| 120 | * Basic setup. Needs to be called early. | |
| 121 | */ | |
| 122 | kirkwood_mpp_conf(lsxl_mpp_config); | |
| 123 | ||
| 124 | /* usb and sata power on */ | |
| 125 | gpio_set_value(LSXL_GPIO_USB_POWER, 1); | |
| 126 | gpio_set_value(LSXL_GPIO_HDD_POWER, 1); | |
| 127 | ||
| 128 | kirkwood_ehci_init(); | |
| 129 | kirkwood_ge00_init(&lsxl_ge00_data); | |
| 130 | kirkwood_ge01_init(&lsxl_ge01_data); | |
| 131 | platform_device_register(&lsxl_fan_device); | |
| 132 | ||
| 133 | /* register power-off method */ | |
| 134 | pm_power_off = lsxl_power_off; | |
| 135 | } |