2 * arch/arm/mach-orion5x/ls-chl-setup.c
4 * Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk>
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.
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/gpio-fan.h>
19 #include <linux/input.h>
20 #include <linux/i2c.h>
21 #include <linux/ata_platform.h>
22 #include <linux/gpio.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/system.h>
26 #include <mach/orion5x.h>
30 /*****************************************************************************
31 * Linkstation LS-CHL Info
32 ****************************************************************************/
35 * 256K NOR flash Device bus boot chip select
38 #define LSCHL_NOR_BOOT_BASE 0xf4000000
39 #define LSCHL_NOR_BOOT_SIZE SZ_256K
41 /*****************************************************************************
42 * 256KB NOR Flash on BOOT Device
43 ****************************************************************************/
45 static struct physmap_flash_data lschl_nor_flash_data
= {
49 static struct resource lschl_nor_flash_resource
= {
50 .flags
= IORESOURCE_MEM
,
51 .start
= LSCHL_NOR_BOOT_BASE
,
52 .end
= LSCHL_NOR_BOOT_BASE
+ LSCHL_NOR_BOOT_SIZE
- 1,
55 static struct platform_device lschl_nor_flash
= {
56 .name
= "physmap-flash",
59 .platform_data
= &lschl_nor_flash_data
,
62 .resource
= &lschl_nor_flash_resource
,
65 /*****************************************************************************
67 ****************************************************************************/
69 static struct mv643xx_eth_platform_data lschl_eth_data
= {
70 .phy_addr
= MV643XX_ETH_PHY_ADDR(8),
73 /*****************************************************************************
74 * RTC 5C372a on I2C bus
75 ****************************************************************************/
77 static struct i2c_board_info __initdata lschl_i2c_rtc
= {
78 I2C_BOARD_INFO("rs5c372a", 0x32),
81 /*****************************************************************************
82 * LEDs attached to GPIO
83 ****************************************************************************/
85 #define LSCHL_GPIO_LED_ALARM 2
86 #define LSCHL_GPIO_LED_INFO 3
87 #define LSCHL_GPIO_LED_FUNC 17
88 #define LSCHL_GPIO_LED_PWR 0
90 static struct gpio_led lschl_led_pins
[] = {
93 .gpio
= LSCHL_GPIO_LED_ALARM
,
97 .gpio
= LSCHL_GPIO_LED_INFO
,
100 .name
= "func:blue:top",
101 .gpio
= LSCHL_GPIO_LED_FUNC
,
104 .name
= "power:blue:bottom",
105 .gpio
= LSCHL_GPIO_LED_PWR
,
109 static struct gpio_led_platform_data lschl_led_data
= {
110 .leds
= lschl_led_pins
,
111 .num_leds
= ARRAY_SIZE(lschl_led_pins
),
114 static struct platform_device lschl_leds
= {
118 .platform_data
= &lschl_led_data
,
122 /*****************************************************************************
124 ****************************************************************************/
125 static struct mv_sata_platform_data lschl_sata_data
= {
129 /*****************************************************************************
130 * LS-CHL specific power off method: reboot
131 ****************************************************************************/
133 * On the LS-CHL, the shutdown process is following:
134 * - Userland monitors key events until the power switch goes to off position
135 * - The board reboots
136 * - U-boot starts and goes into an idle mode waiting for the user
137 * to move the switch to ON position
141 static void lschl_power_off(void)
143 arm_machine_restart('h', NULL
);
146 /*****************************************************************************
148 ****************************************************************************/
149 #define LSCHL_GPIO_USB_POWER 9
150 #define LSCHL_GPIO_AUTO_POWER 17
151 #define LSCHL_GPIO_POWER 18
153 /****************************************************************************
155 ****************************************************************************/
156 #define LSCHL_GPIO_KEY_FUNC 15
157 #define LSCHL_GPIO_KEY_POWER 8
158 #define LSCHL_GPIO_KEY_AUTOPOWER 10
159 #define LSCHL_SW_POWER 0x00
160 #define LSCHL_SW_AUTOPOWER 0x01
161 #define LSCHL_SW_FUNC 0x02
163 static struct gpio_keys_button lschl_buttons
[] = {
166 .code
= LSCHL_SW_POWER
,
167 .gpio
= LSCHL_GPIO_KEY_POWER
,
168 .desc
= "Power-on Switch",
172 .code
= LSCHL_SW_AUTOPOWER
,
173 .gpio
= LSCHL_GPIO_KEY_AUTOPOWER
,
174 .desc
= "Power-auto Switch",
178 .code
= LSCHL_SW_FUNC
,
179 .gpio
= LSCHL_GPIO_KEY_FUNC
,
180 .desc
= "Function Switch",
185 static struct gpio_keys_platform_data lschl_button_data
= {
186 .buttons
= lschl_buttons
,
187 .nbuttons
= ARRAY_SIZE(lschl_buttons
),
190 static struct platform_device lschl_button_device
= {
195 .platform_data
= &lschl_button_data
,
199 #define LSCHL_GPIO_HDD_POWER 1
201 /****************************************************************************
203 ****************************************************************************/
205 #define LSCHL_GPIO_FAN_LOW 16
206 #define LSCHL_GPIO_FAN_HIGH 14
207 #define LSCHL_GPIO_FAN_LOCK 6
209 static struct gpio_fan_alarm lschl_alarm
= {
210 .gpio
= LSCHL_GPIO_FAN_LOCK
,
213 static struct gpio_fan_speed lschl_speeds
[] = {
229 static int lschl_gpio_list
[] = {
230 LSCHL_GPIO_FAN_HIGH
, LSCHL_GPIO_FAN_LOW
,
233 static struct gpio_fan_platform_data lschl_fan_data
= {
234 .num_ctrl
= ARRAY_SIZE(lschl_gpio_list
),
235 .ctrl
= lschl_gpio_list
,
236 .alarm
= &lschl_alarm
,
237 .num_speed
= ARRAY_SIZE(lschl_speeds
),
238 .speed
= lschl_speeds
,
241 static struct platform_device lschl_fan_device
= {
246 .platform_data
= &lschl_fan_data
,
250 /****************************************************************************
252 ****************************************************************************/
254 static unsigned int lschl_mpp_modes
[] __initdata
= {
255 MPP0_GPIO
, /* LED POWER */
256 MPP1_GPIO
, /* HDD POWER */
257 MPP2_GPIO
, /* LED ALARM */
258 MPP3_GPIO
, /* LED INFO */
261 MPP6_GPIO
, /* FAN LOCK */
262 MPP7_GPIO
, /* SW INIT */
263 MPP8_GPIO
, /* SW POWER */
264 MPP9_GPIO
, /* USB POWER */
265 MPP10_GPIO
, /* SW AUTO POWER */
269 MPP14_GPIO
, /* FAN HIGH */
270 MPP15_GPIO
, /* SW FUNC */
271 MPP16_GPIO
, /* FAN LOW */
272 MPP17_GPIO
, /* LED FUNC */
278 static void __init
lschl_init(void)
281 * Setup basic Orion functions. Needs to be called early.
285 orion5x_mpp_conf(lschl_mpp_modes
);
288 * Configure peripherals.
290 orion5x_ehci0_init();
291 orion5x_ehci1_init();
292 orion5x_eth_init(&lschl_eth_data
);
294 orion5x_sata_init(&lschl_sata_data
);
295 orion5x_uart0_init();
298 orion5x_setup_dev_boot_win(LSCHL_NOR_BOOT_BASE
,
299 LSCHL_NOR_BOOT_SIZE
);
300 platform_device_register(&lschl_nor_flash
);
302 platform_device_register(&lschl_leds
);
304 platform_device_register(&lschl_button_device
);
306 platform_device_register(&lschl_fan_device
);
308 i2c_register_board_info(0, &lschl_i2c_rtc
, 1);
311 gpio_set_value(LSCHL_GPIO_USB_POWER
, 1);
313 /* register power-off method */
314 pm_power_off
= lschl_power_off
;
316 pr_info("%s: finished\n", __func__
);
319 MACHINE_START(LINKSTATION_LSCHL
, "Buffalo Linkstation LiveV3 (LS-CHL)")
320 /* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
321 .atag_offset
= 0x100,
322 .init_machine
= lschl_init
,
323 .map_io
= orion5x_map_io
,
324 .init_early
= orion5x_init_early
,
325 .init_irq
= orion5x_init_irq
,
326 .timer
= &orion5x_timer
,
327 .fixup
= tag_fixup_mem32
,