1/* 2 * arch/arm/mach-orion5x/lsmini-setup.c 3 * 4 * Maintainer: Alexey Kopytko <alexey@kopytko.ru> 5 * 6 * This file is licensed under the terms of the GNU General Public 7 * License version 2. This program is licensed "as is" without any 8 * warranty of any kind, whether express or implied. 9 */ 10 11#include <linux/kernel.h> 12#include <linux/init.h> 13#include <linux/platform_device.h> 14#include <linux/mtd/physmap.h> 15#include <linux/mv643xx_eth.h> 16#include <linux/leds.h> 17#include <linux/gpio_keys.h> 18#include <linux/input.h> 19#include <linux/i2c.h> 20#include <linux/ata_platform.h> 21#include <linux/gpio.h> 22#include <asm/mach-types.h> 23#include <asm/mach/arch.h> 24#include <mach/orion5x.h> 25#include "common.h" 26#include "mpp.h" 27 28/***************************************************************************** 29 * Linkstation Mini Info 30 ****************************************************************************/ 31 32/* 33 * 256K NOR flash Device bus boot chip select 34 */ 35 36#define LSMINI_NOR_BOOT_BASE 0xf4000000 37#define LSMINI_NOR_BOOT_SIZE SZ_256K 38 39/***************************************************************************** 40 * 256KB NOR Flash on BOOT Device 41 ****************************************************************************/ 42 43static struct physmap_flash_data lsmini_nor_flash_data = { 44 .width = 1, 45}; 46 47static struct resource lsmini_nor_flash_resource = { 48 .flags = IORESOURCE_MEM, 49 .start = LSMINI_NOR_BOOT_BASE, 50 .end = LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1, 51}; 52 53static struct platform_device lsmini_nor_flash = { 54 .name = "physmap-flash", 55 .id = 0, 56 .dev = { 57 .platform_data = &lsmini_nor_flash_data, 58 }, 59 .num_resources = 1, 60 .resource = &lsmini_nor_flash_resource, 61}; 62 63/***************************************************************************** 64 * Ethernet 65 ****************************************************************************/ 66 67static struct mv643xx_eth_platform_data lsmini_eth_data = { 68 .phy_addr = 8, 69}; 70 71/***************************************************************************** 72 * RTC 5C372a on I2C bus 73 ****************************************************************************/ 74 75static struct i2c_board_info __initdata lsmini_i2c_rtc = { 76 I2C_BOARD_INFO("rs5c372a", 0x32), 77}; 78 79/***************************************************************************** 80 * LEDs attached to GPIO 81 ****************************************************************************/ 82 83#define LSMINI_GPIO_LED_ALARM 2 84#define LSMINI_GPIO_LED_INFO 3 85#define LSMINI_GPIO_LED_FUNC 9 86#define LSMINI_GPIO_LED_PWR 14 87 88static struct gpio_led lsmini_led_pins[] = { 89 { 90 .name = "alarm:red", 91 .gpio = LSMINI_GPIO_LED_ALARM, 92 .active_low = 1, 93 }, { 94 .name = "info:amber", 95 .gpio = LSMINI_GPIO_LED_INFO, 96 .active_low = 1, 97 }, { 98 .name = "func:blue:top", 99 .gpio = LSMINI_GPIO_LED_FUNC, 100 .active_low = 1, 101 }, { 102 .name = "power:blue:bottom", 103 .gpio = LSMINI_GPIO_LED_PWR, 104 }, 105}; 106 107static struct gpio_led_platform_data lsmini_led_data = { 108 .leds = lsmini_led_pins, 109 .num_leds = ARRAY_SIZE(lsmini_led_pins), 110}; 111 112static struct platform_device lsmini_leds = { 113 .name = "leds-gpio", 114 .id = -1, 115 .dev = { 116 .platform_data = &lsmini_led_data, 117 }, 118}; 119 120/**************************************************************************** 121 * GPIO Attached Keys 122 ****************************************************************************/ 123 124#define LSMINI_GPIO_KEY_FUNC 15 125#define LSMINI_GPIO_KEY_POWER 18 126#define LSMINI_GPIO_KEY_AUTOPOWER 17 127 128#define LSMINI_SW_POWER 0x00 129#define LSMINI_SW_AUTOPOWER 0x01 130 131static struct gpio_keys_button lsmini_buttons[] = { 132 { 133 .code = KEY_OPTION, 134 .gpio = LSMINI_GPIO_KEY_FUNC, 135 .desc = "Function Button", 136 .active_low = 1, 137 }, { 138 .type = EV_SW, 139 .code = LSMINI_SW_POWER, 140 .gpio = LSMINI_GPIO_KEY_POWER, 141 .desc = "Power-on Switch", 142 .active_low = 1, 143 }, { 144 .type = EV_SW, 145 .code = LSMINI_SW_AUTOPOWER, 146 .gpio = LSMINI_GPIO_KEY_AUTOPOWER, 147 .desc = "Power-auto Switch", 148 .active_low = 1, 149 }, 150}; 151 152static struct gpio_keys_platform_data lsmini_button_data = { 153 .buttons = lsmini_buttons, 154 .nbuttons = ARRAY_SIZE(lsmini_buttons), 155}; 156 157static struct platform_device lsmini_button_device = { 158 .name = "gpio-keys", 159 .id = -1, 160 .num_resources = 0, 161 .dev = { 162 .platform_data = &lsmini_button_data, 163 }, 164}; 165 166 167/***************************************************************************** 168 * SATA 169 ****************************************************************************/ 170static struct mv_sata_platform_data lsmini_sata_data = { 171 .n_ports = 2, 172}; 173 174 175/***************************************************************************** 176 * Linkstation Mini specific power off method: reboot 177 ****************************************************************************/ 178/* 179 * On the Linkstation Mini, the shutdown process is following: 180 * - Userland monitors key events until the power switch goes to off position 181 * - The board reboots 182 * - U-boot starts and goes into an idle mode waiting for the user 183 * to move the switch to ON position 184 */ 185 186static void lsmini_power_off(void) 187{ 188 orion5x_restart(REBOOT_HARD, NULL); 189} 190 191 192/***************************************************************************** 193 * General Setup 194 ****************************************************************************/ 195 196#define LSMINI_GPIO_USB_POWER 16 197#define LSMINI_GPIO_AUTO_POWER 17 198#define LSMINI_GPIO_POWER 18 199 200#define LSMINI_GPIO_HDD_POWER0 1 201#define LSMINI_GPIO_HDD_POWER1 19 202 203static unsigned int lsmini_mpp_modes[] __initdata = { 204 MPP0_UNUSED, /* LED_RESERVE1 (unused) */ 205 MPP1_GPIO, /* HDD_PWR */ 206 MPP2_GPIO, /* LED_ALARM */ 207 MPP3_GPIO, /* LED_INFO */ 208 MPP4_UNUSED, 209 MPP5_UNUSED, 210 MPP6_UNUSED, 211 MPP7_UNUSED, 212 MPP8_UNUSED, 213 MPP9_GPIO, /* LED_FUNC */ 214 MPP10_UNUSED, 215 MPP11_UNUSED, /* LED_ETH (dummy) */ 216 MPP12_UNUSED, 217 MPP13_UNUSED, 218 MPP14_GPIO, /* LED_PWR */ 219 MPP15_GPIO, /* FUNC */ 220 MPP16_GPIO, /* USB_PWR */ 221 MPP17_GPIO, /* AUTO_POWER */ 222 MPP18_GPIO, /* POWER */ 223 MPP19_GPIO, /* HDD_PWR1 */ 224 0, 225}; 226 227static void __init lsmini_init(void) 228{ 229 /* 230 * Setup basic Orion functions. Need to be called early. 231 */ 232 orion5x_init(); 233 234 orion5x_mpp_conf(lsmini_mpp_modes); 235 236 /* 237 * Configure peripherals. 238 */ 239 orion5x_ehci0_init(); 240 orion5x_ehci1_init(); 241 orion5x_eth_init(&lsmini_eth_data); 242 orion5x_i2c_init(); 243 orion5x_sata_init(&lsmini_sata_data); 244 orion5x_uart0_init(); 245 orion5x_xor_init(); 246 247 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, 248 ORION_MBUS_DEVBUS_BOOT_ATTR, 249 LSMINI_NOR_BOOT_BASE, 250 LSMINI_NOR_BOOT_SIZE); 251 platform_device_register(&lsmini_nor_flash); 252 253 platform_device_register(&lsmini_button_device); 254 255 platform_device_register(&lsmini_leds); 256 257 i2c_register_board_info(0, &lsmini_i2c_rtc, 1); 258 259 /* enable USB power */ 260 gpio_set_value(LSMINI_GPIO_USB_POWER, 1); 261 262 /* register power-off method */ 263 pm_power_off = lsmini_power_off; 264 265 pr_info("%s: finished\n", __func__); 266} 267 268#ifdef CONFIG_MACH_LINKSTATION_MINI 269MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini") 270 /* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */ 271 .atag_offset = 0x100, 272 .init_machine = lsmini_init, 273 .map_io = orion5x_map_io, 274 .init_early = orion5x_init_early, 275 .init_irq = orion5x_init_irq, 276 .init_time = orion5x_timer_init, 277 .fixup = tag_fixup_mem32, 278 .restart = orion5x_restart, 279MACHINE_END 280#endif 281