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4bba1c34 AH |
1 | /* |
2 | * arch/arm/mach-orion5x/ls-chl-setup.c | |
3 | * | |
4 | * Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> | |
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/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> | |
4bba1c34 AH |
25 | #include <mach/orion5x.h> |
26 | #include "common.h" | |
27 | #include "mpp.h" | |
28 | ||
29 | /***************************************************************************** | |
30 | * Linkstation LS-CHL Info | |
31 | ****************************************************************************/ | |
32 | ||
33 | /* | |
34 | * 256K NOR flash Device bus boot chip select | |
35 | */ | |
36 | ||
37 | #define LSCHL_NOR_BOOT_BASE 0xf4000000 | |
38 | #define LSCHL_NOR_BOOT_SIZE SZ_256K | |
39 | ||
40 | /***************************************************************************** | |
41 | * 256KB NOR Flash on BOOT Device | |
42 | ****************************************************************************/ | |
43 | ||
44 | static struct physmap_flash_data lschl_nor_flash_data = { | |
45 | .width = 1, | |
46 | }; | |
47 | ||
48 | static struct resource lschl_nor_flash_resource = { | |
49 | .flags = IORESOURCE_MEM, | |
50 | .start = LSCHL_NOR_BOOT_BASE, | |
51 | .end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1, | |
52 | }; | |
53 | ||
54 | static struct platform_device lschl_nor_flash = { | |
55 | .name = "physmap-flash", | |
56 | .id = 0, | |
57 | .dev = { | |
58 | .platform_data = &lschl_nor_flash_data, | |
59 | }, | |
60 | .num_resources = 1, | |
61 | .resource = &lschl_nor_flash_resource, | |
62 | }; | |
63 | ||
64 | /***************************************************************************** | |
65 | * Ethernet | |
66 | ****************************************************************************/ | |
67 | ||
68 | static struct mv643xx_eth_platform_data lschl_eth_data = { | |
69 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), | |
70 | }; | |
71 | ||
72 | /***************************************************************************** | |
73 | * RTC 5C372a on I2C bus | |
74 | ****************************************************************************/ | |
75 | ||
76 | static struct i2c_board_info __initdata lschl_i2c_rtc = { | |
77 | I2C_BOARD_INFO("rs5c372a", 0x32), | |
78 | }; | |
79 | ||
80 | /***************************************************************************** | |
81 | * LEDs attached to GPIO | |
82 | ****************************************************************************/ | |
83 | ||
84 | #define LSCHL_GPIO_LED_ALARM 2 | |
85 | #define LSCHL_GPIO_LED_INFO 3 | |
86 | #define LSCHL_GPIO_LED_FUNC 17 | |
87 | #define LSCHL_GPIO_LED_PWR 0 | |
88 | ||
89 | static struct gpio_led lschl_led_pins[] = { | |
90 | { | |
91 | .name = "alarm:red", | |
92 | .gpio = LSCHL_GPIO_LED_ALARM, | |
93 | .active_low = 1, | |
94 | }, { | |
95 | .name = "info:amber", | |
96 | .gpio = LSCHL_GPIO_LED_INFO, | |
97 | .active_low = 1, | |
98 | }, { | |
99 | .name = "func:blue:top", | |
100 | .gpio = LSCHL_GPIO_LED_FUNC, | |
101 | .active_low = 1, | |
102 | }, { | |
103 | .name = "power:blue:bottom", | |
104 | .gpio = LSCHL_GPIO_LED_PWR, | |
105 | }, | |
106 | }; | |
107 | ||
108 | static struct gpio_led_platform_data lschl_led_data = { | |
109 | .leds = lschl_led_pins, | |
110 | .num_leds = ARRAY_SIZE(lschl_led_pins), | |
111 | }; | |
112 | ||
113 | static struct platform_device lschl_leds = { | |
114 | .name = "leds-gpio", | |
115 | .id = -1, | |
116 | .dev = { | |
117 | .platform_data = &lschl_led_data, | |
118 | }, | |
119 | }; | |
120 | ||
121 | /***************************************************************************** | |
122 | * SATA | |
123 | ****************************************************************************/ | |
124 | static struct mv_sata_platform_data lschl_sata_data = { | |
125 | .n_ports = 2, | |
126 | }; | |
127 | ||
128 | /***************************************************************************** | |
129 | * LS-CHL specific power off method: reboot | |
130 | ****************************************************************************/ | |
131 | /* | |
132 | * On the LS-CHL, the shutdown process is following: | |
133 | * - Userland monitors key events until the power switch goes to off position | |
134 | * - The board reboots | |
135 | * - U-boot starts and goes into an idle mode waiting for the user | |
136 | * to move the switch to ON position | |
137 | * | |
138 | */ | |
139 | ||
140 | static void lschl_power_off(void) | |
141 | { | |
7b6d864b | 142 | orion5x_restart(REBOOT_HARD, NULL); |
4bba1c34 AH |
143 | } |
144 | ||
145 | /***************************************************************************** | |
146 | * General Setup | |
147 | ****************************************************************************/ | |
148 | #define LSCHL_GPIO_USB_POWER 9 | |
149 | #define LSCHL_GPIO_AUTO_POWER 17 | |
150 | #define LSCHL_GPIO_POWER 18 | |
151 | ||
152 | /**************************************************************************** | |
153 | * GPIO Attached Keys | |
154 | ****************************************************************************/ | |
155 | #define LSCHL_GPIO_KEY_FUNC 15 | |
156 | #define LSCHL_GPIO_KEY_POWER 8 | |
157 | #define LSCHL_GPIO_KEY_AUTOPOWER 10 | |
158 | #define LSCHL_SW_POWER 0x00 | |
159 | #define LSCHL_SW_AUTOPOWER 0x01 | |
160 | #define LSCHL_SW_FUNC 0x02 | |
161 | ||
162 | static struct gpio_keys_button lschl_buttons[] = { | |
163 | { | |
164 | .type = EV_SW, | |
165 | .code = LSCHL_SW_POWER, | |
166 | .gpio = LSCHL_GPIO_KEY_POWER, | |
167 | .desc = "Power-on Switch", | |
168 | .active_low = 1, | |
169 | }, { | |
170 | .type = EV_SW, | |
171 | .code = LSCHL_SW_AUTOPOWER, | |
172 | .gpio = LSCHL_GPIO_KEY_AUTOPOWER, | |
173 | .desc = "Power-auto Switch", | |
174 | .active_low = 1, | |
175 | }, { | |
176 | .type = EV_SW, | |
177 | .code = LSCHL_SW_FUNC, | |
178 | .gpio = LSCHL_GPIO_KEY_FUNC, | |
179 | .desc = "Function Switch", | |
180 | .active_low = 1, | |
181 | }, | |
182 | }; | |
183 | ||
184 | static struct gpio_keys_platform_data lschl_button_data = { | |
185 | .buttons = lschl_buttons, | |
186 | .nbuttons = ARRAY_SIZE(lschl_buttons), | |
187 | }; | |
188 | ||
189 | static struct platform_device lschl_button_device = { | |
190 | .name = "gpio-keys", | |
191 | .id = -1, | |
192 | .num_resources = 0, | |
193 | .dev = { | |
194 | .platform_data = &lschl_button_data, | |
195 | }, | |
196 | }; | |
197 | ||
198 | #define LSCHL_GPIO_HDD_POWER 1 | |
199 | ||
200 | /**************************************************************************** | |
201 | * GPIO Fan | |
202 | ****************************************************************************/ | |
203 | ||
204 | #define LSCHL_GPIO_FAN_LOW 16 | |
205 | #define LSCHL_GPIO_FAN_HIGH 14 | |
206 | #define LSCHL_GPIO_FAN_LOCK 6 | |
207 | ||
208 | static struct gpio_fan_alarm lschl_alarm = { | |
209 | .gpio = LSCHL_GPIO_FAN_LOCK, | |
210 | }; | |
211 | ||
212 | static struct gpio_fan_speed lschl_speeds[] = { | |
213 | { | |
214 | .rpm = 0, | |
215 | .ctrl_val = 3, | |
216 | }, { | |
217 | .rpm = 1500, | |
218 | .ctrl_val = 2, | |
219 | }, { | |
220 | .rpm = 3250, | |
221 | .ctrl_val = 1, | |
222 | }, { | |
223 | .rpm = 5000, | |
224 | .ctrl_val = 0, | |
225 | }, | |
226 | }; | |
227 | ||
228 | static int lschl_gpio_list[] = { | |
229 | LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW, | |
230 | }; | |
231 | ||
232 | static struct gpio_fan_platform_data lschl_fan_data = { | |
233 | .num_ctrl = ARRAY_SIZE(lschl_gpio_list), | |
234 | .ctrl = lschl_gpio_list, | |
235 | .alarm = &lschl_alarm, | |
236 | .num_speed = ARRAY_SIZE(lschl_speeds), | |
237 | .speed = lschl_speeds, | |
238 | }; | |
239 | ||
240 | static struct platform_device lschl_fan_device = { | |
241 | .name = "gpio-fan", | |
242 | .id = -1, | |
243 | .num_resources = 0, | |
244 | .dev = { | |
245 | .platform_data = &lschl_fan_data, | |
246 | }, | |
247 | }; | |
248 | ||
249 | /**************************************************************************** | |
250 | * GPIO Data | |
251 | ****************************************************************************/ | |
252 | ||
554cdaef AL |
253 | static unsigned int lschl_mpp_modes[] __initdata = { |
254 | MPP0_GPIO, /* LED POWER */ | |
255 | MPP1_GPIO, /* HDD POWER */ | |
256 | MPP2_GPIO, /* LED ALARM */ | |
257 | MPP3_GPIO, /* LED INFO */ | |
258 | MPP4_UNUSED, | |
259 | MPP5_UNUSED, | |
260 | MPP6_GPIO, /* FAN LOCK */ | |
261 | MPP7_GPIO, /* SW INIT */ | |
262 | MPP8_GPIO, /* SW POWER */ | |
263 | MPP9_GPIO, /* USB POWER */ | |
264 | MPP10_GPIO, /* SW AUTO POWER */ | |
265 | MPP11_UNUSED, | |
266 | MPP12_UNUSED, | |
267 | MPP13_UNUSED, | |
268 | MPP14_GPIO, /* FAN HIGH */ | |
269 | MPP15_GPIO, /* SW FUNC */ | |
270 | MPP16_GPIO, /* FAN LOW */ | |
271 | MPP17_GPIO, /* LED FUNC */ | |
272 | MPP18_UNUSED, | |
273 | MPP19_UNUSED, | |
274 | 0, | |
4bba1c34 AH |
275 | }; |
276 | ||
277 | static void __init lschl_init(void) | |
278 | { | |
279 | /* | |
280 | * Setup basic Orion functions. Needs to be called early. | |
281 | */ | |
282 | orion5x_init(); | |
283 | ||
284 | orion5x_mpp_conf(lschl_mpp_modes); | |
285 | ||
286 | /* | |
287 | * Configure peripherals. | |
288 | */ | |
289 | orion5x_ehci0_init(); | |
290 | orion5x_ehci1_init(); | |
291 | orion5x_eth_init(&lschl_eth_data); | |
292 | orion5x_i2c_init(); | |
293 | orion5x_sata_init(&lschl_sata_data); | |
294 | orion5x_uart0_init(); | |
295 | orion5x_xor_init(); | |
296 | ||
4ca2c040 TP |
297 | mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, |
298 | ORION_MBUS_DEVBUS_BOOT_ATTR, | |
299 | LSCHL_NOR_BOOT_BASE, | |
300 | LSCHL_NOR_BOOT_SIZE); | |
4bba1c34 AH |
301 | platform_device_register(&lschl_nor_flash); |
302 | ||
303 | platform_device_register(&lschl_leds); | |
304 | ||
305 | platform_device_register(&lschl_button_device); | |
306 | ||
307 | platform_device_register(&lschl_fan_device); | |
308 | ||
309 | i2c_register_board_info(0, &lschl_i2c_rtc, 1); | |
310 | ||
311 | /* usb power on */ | |
312 | gpio_set_value(LSCHL_GPIO_USB_POWER, 1); | |
313 | ||
314 | /* register power-off method */ | |
315 | pm_power_off = lschl_power_off; | |
316 | ||
317 | pr_info("%s: finished\n", __func__); | |
318 | } | |
319 | ||
320 | MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)") | |
321 | /* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */ | |
65aa1b1e | 322 | .atag_offset = 0x100, |
4bba1c34 AH |
323 | .init_machine = lschl_init, |
324 | .map_io = orion5x_map_io, | |
4ee1f6b5 | 325 | .init_early = orion5x_init_early, |
4bba1c34 | 326 | .init_irq = orion5x_init_irq, |
6bb27d73 | 327 | .init_time = orion5x_timer_init, |
4bba1c34 | 328 | .fixup = tag_fixup_mem32, |
764cbcc2 | 329 | .restart = orion5x_restart, |
4bba1c34 | 330 | MACHINE_END |