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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 | ||
43 | static struct physmap_flash_data lsmini_nor_flash_data = { | |
44 | .width = 1, | |
45 | }; | |
46 | ||
47 | static 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 | ||
53 | static 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 | ||
67 | static struct mv643xx_eth_platform_data lsmini_eth_data = { | |
68 | .phy_addr = 8, | |
69 | }; | |
70 | ||
71 | /***************************************************************************** | |
72 | * RTC 5C372a on I2C bus | |
73 | ****************************************************************************/ | |
74 | ||
75 | static 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 | ||
88 | static 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 | ||
107 | static struct gpio_led_platform_data lsmini_led_data = { | |
108 | .leds = lsmini_led_pins, | |
109 | .num_leds = ARRAY_SIZE(lsmini_led_pins), | |
110 | }; | |
111 | ||
112 | static 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 | ||
131 | static 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 | ||
152 | static struct gpio_keys_platform_data lsmini_button_data = { | |
153 | .buttons = lsmini_buttons, | |
154 | .nbuttons = ARRAY_SIZE(lsmini_buttons), | |
155 | }; | |
156 | ||
157 | static 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 | ****************************************************************************/ | |
170 | static 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 | ||
186 | static void lsmini_power_off(void) | |
187 | { | |
188 | orion5x_restart('h', 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 | ||
203 | static 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 | ||
227 | static 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 | orion5x_setup_dev_boot_win(LSMINI_NOR_BOOT_BASE, | |
248 | LSMINI_NOR_BOOT_SIZE); | |
249 | platform_device_register(&lsmini_nor_flash); | |
250 | ||
251 | platform_device_register(&lsmini_button_device); | |
252 | ||
253 | platform_device_register(&lsmini_leds); | |
254 | ||
255 | i2c_register_board_info(0, &lsmini_i2c_rtc, 1); | |
256 | ||
257 | /* enable USB power */ | |
258 | gpio_set_value(LSMINI_GPIO_USB_POWER, 1); | |
259 | ||
260 | /* register power-off method */ | |
261 | pm_power_off = lsmini_power_off; | |
262 | ||
263 | pr_info("%s: finished\n", __func__); | |
264 | } | |
265 | ||
266 | #ifdef CONFIG_MACH_LINKSTATION_MINI | |
267 | MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini") | |
268 | /* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */ | |
269 | .atag_offset = 0x100, | |
270 | .init_machine = lsmini_init, | |
271 | .map_io = orion5x_map_io, | |
272 | .init_early = orion5x_init_early, | |
273 | .init_irq = orion5x_init_irq, | |
274 | .timer = &orion5x_timer, | |
275 | .fixup = tag_fixup_mem32, | |
276 | .restart = orion5x_restart, | |
277 | MACHINE_END | |
278 | #endif |