1/* 2 * arch/arm/mach-orion5x/ls_hgl-setup.c 3 * 4 * Maintainer: Zhu Qingsen <zhuqs@cn.fujitsu.com> 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 <asm/system.h> 25#include <mach/orion5x.h> 26#include "common.h" 27#include "mpp.h" 28 29/***************************************************************************** 30 * Linkstation LS-HGL Info 31 ****************************************************************************/ 32 33/* 34 * 256K NOR flash Device bus boot chip select 35 */ 36 37#define LS_HGL_NOR_BOOT_BASE 0xf4000000 38#define LS_HGL_NOR_BOOT_SIZE SZ_256K 39 40/***************************************************************************** 41 * 256KB NOR Flash on BOOT Device 42 ****************************************************************************/ 43 44static struct physmap_flash_data ls_hgl_nor_flash_data = { 45 .width = 1, 46}; 47 48static struct resource ls_hgl_nor_flash_resource = { 49 .flags = IORESOURCE_MEM, 50 .start = LS_HGL_NOR_BOOT_BASE, 51 .end = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1, 52}; 53 54static struct platform_device ls_hgl_nor_flash = { 55 .name = "physmap-flash", 56 .id = 0, 57 .dev = { 58 .platform_data = &ls_hgl_nor_flash_data, 59 }, 60 .num_resources = 1, 61 .resource = &ls_hgl_nor_flash_resource, 62}; 63 64/***************************************************************************** 65 * Ethernet 66 ****************************************************************************/ 67 68static struct mv643xx_eth_platform_data ls_hgl_eth_data = { 69 .phy_addr = 8, 70}; 71 72/***************************************************************************** 73 * RTC 5C372a on I2C bus 74 ****************************************************************************/ 75 76static struct i2c_board_info __initdata ls_hgl_i2c_rtc = { 77 I2C_BOARD_INFO("rs5c372a", 0x32), 78}; 79 80/***************************************************************************** 81 * LEDs attached to GPIO 82 ****************************************************************************/ 83 84#define LS_HGL_GPIO_LED_ALARM 2 85#define LS_HGL_GPIO_LED_INFO 3 86#define LS_HGL_GPIO_LED_FUNC 17 87#define LS_HGL_GPIO_LED_PWR 0 88 89 90static struct gpio_led ls_hgl_led_pins[] = { 91 { 92 .name = "alarm:red", 93 .gpio = LS_HGL_GPIO_LED_ALARM, 94 .active_low = 1, 95 }, { 96 .name = "info:amber", 97 .gpio = LS_HGL_GPIO_LED_INFO, 98 .active_low = 1, 99 }, { 100 .name = "func:blue:top", 101 .gpio = LS_HGL_GPIO_LED_FUNC, 102 .active_low = 1, 103 }, { 104 .name = "power:blue:bottom", 105 .gpio = LS_HGL_GPIO_LED_PWR, 106 }, 107}; 108 109static struct gpio_led_platform_data ls_hgl_led_data = { 110 .leds = ls_hgl_led_pins, 111 .num_leds = ARRAY_SIZE(ls_hgl_led_pins), 112}; 113 114static struct platform_device ls_hgl_leds = { 115 .name = "leds-gpio", 116 .id = -1, 117 .dev = { 118 .platform_data = &ls_hgl_led_data, 119 }, 120}; 121 122/**************************************************************************** 123 * GPIO Attached Keys 124 ****************************************************************************/ 125#define LS_HGL_GPIO_KEY_FUNC 15 126#define LS_HGL_GPIO_KEY_POWER 8 127#define LS_HGL_GPIO_KEY_AUTOPOWER 10 128 129#define LS_HGL_SW_POWER 0x00 130#define LS_HGL_SW_AUTOPOWER 0x01 131 132static struct gpio_keys_button ls_hgl_buttons[] = { 133 { 134 .code = KEY_OPTION, 135 .gpio = LS_HGL_GPIO_KEY_FUNC, 136 .desc = "Function Button", 137 .active_low = 1, 138 }, { 139 .type = EV_SW, 140 .code = LS_HGL_SW_POWER, 141 .gpio = LS_HGL_GPIO_KEY_POWER, 142 .desc = "Power-on Switch", 143 .active_low = 1, 144 }, { 145 .type = EV_SW, 146 .code = LS_HGL_SW_AUTOPOWER, 147 .gpio = LS_HGL_GPIO_KEY_AUTOPOWER, 148 .desc = "Power-auto Switch", 149 .active_low = 1, 150 }, 151}; 152 153static struct gpio_keys_platform_data ls_hgl_button_data = { 154 .buttons = ls_hgl_buttons, 155 .nbuttons = ARRAY_SIZE(ls_hgl_buttons), 156}; 157 158static struct platform_device ls_hgl_button_device = { 159 .name = "gpio-keys", 160 .id = -1, 161 .num_resources = 0, 162 .dev = { 163 .platform_data = &ls_hgl_button_data, 164 }, 165}; 166 167 168/***************************************************************************** 169 * SATA 170 ****************************************************************************/ 171static struct mv_sata_platform_data ls_hgl_sata_data = { 172 .n_ports = 2, 173}; 174 175 176/***************************************************************************** 177 * Linkstation LS-HGL specific power off method: reboot 178 ****************************************************************************/ 179/* 180 * On the Linkstation LS-HGL, the shutdown process is following: 181 * - Userland monitors key events until the power switch goes to off position 182 * - The board reboots 183 * - U-boot starts and goes into an idle mode waiting for the user 184 * to move the switch to ON position 185 */ 186 187static void ls_hgl_power_off(void) 188{ 189 arm_machine_restart('h', NULL); 190} 191 192 193/***************************************************************************** 194 * General Setup 195 ****************************************************************************/ 196 197#define LS_HGL_GPIO_USB_POWER 9 198#define LS_HGL_GPIO_AUTO_POWER 10 199#define LS_HGL_GPIO_POWER 8 200 201#define LS_HGL_GPIO_HDD_POWER 1 202 203static struct orion5x_mpp_mode ls_hgl_mpp_modes[] __initdata = { 204 { 0, MPP_GPIO }, /* LED_PWR */ 205 { 1, MPP_GPIO }, /* HDD_PWR */ 206 { 2, MPP_GPIO }, /* LED_ALARM */ 207 { 3, MPP_GPIO }, /* LED_INFO */ 208 { 4, MPP_UNUSED }, 209 { 5, MPP_UNUSED }, 210 { 6, MPP_GPIO }, /* FAN_LCK */ 211 { 7, MPP_GPIO }, /* INIT */ 212 { 8, MPP_GPIO }, /* POWER */ 213 { 9, MPP_GPIO }, /* USB_PWR */ 214 { 10, MPP_GPIO }, /* AUTO_POWER */ 215 { 11, MPP_UNUSED }, /* LED_ETH (dummy) */ 216 { 12, MPP_UNUSED }, 217 { 13, MPP_UNUSED }, 218 { 14, MPP_UNUSED }, 219 { 15, MPP_GPIO }, /* FUNC */ 220 { 16, MPP_UNUSED }, 221 { 17, MPP_GPIO }, /* LED_FUNC */ 222 { 18, MPP_UNUSED }, 223 { 19, MPP_UNUSED }, 224 { -1 }, 225}; 226 227static void __init ls_hgl_init(void) 228{ 229 /* 230 * Setup basic Orion functions. Need to be called early. 231 */ 232 orion5x_init(); 233 234 orion5x_mpp_conf(ls_hgl_mpp_modes); 235 236 /* 237 * Configure peripherals. 238 */ 239 orion5x_ehci0_init(); 240 orion5x_ehci1_init(); 241 orion5x_eth_init(&ls_hgl_eth_data); 242 orion5x_i2c_init(); 243 orion5x_sata_init(&ls_hgl_sata_data); 244 orion5x_uart0_init(); 245 orion5x_xor_init(); 246 247 orion5x_setup_dev_boot_win(LS_HGL_NOR_BOOT_BASE, 248 LS_HGL_NOR_BOOT_SIZE); 249 platform_device_register(&ls_hgl_nor_flash); 250 251 platform_device_register(&ls_hgl_button_device); 252 253 platform_device_register(&ls_hgl_leds); 254 255 i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1); 256 257 /* enable USB power */ 258 gpio_set_value(LS_HGL_GPIO_USB_POWER, 1); 259 260 /* register power-off method */ 261 pm_power_off = ls_hgl_power_off; 262 263 pr_info("%s: finished\n", __func__); 264} 265 266MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL") 267 /* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */ 268 .phys_io = ORION5X_REGS_PHYS_BASE, 269 .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, 270 .boot_params = 0x00000100, 271 .init_machine = ls_hgl_init, 272 .map_io = orion5x_map_io, 273 .init_irq = orion5x_init_irq, 274 .timer = &orion5x_timer, 275 .fixup = tag_fixup_mem32, 276MACHINE_END 277