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7b0a26f2 AK |
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/pci.h> | |
15 | #include <linux/mtd/physmap.h> | |
16 | #include <linux/mv643xx_eth.h> | |
17 | #include <linux/leds.h> | |
18 | #include <linux/gpio_keys.h> | |
19 | #include <linux/input.h> | |
20 | #include <linux/i2c.h> | |
21 | #include <linux/ata_platform.h> | |
22 | #include <asm/mach-types.h> | |
23 | #include <linux/gpio.h> | |
24 | #include <asm/mach/arch.h> | |
25 | #include "common.h" | |
26 | #include "mpp.h" | |
27 | #include "include/mach/system.h" | |
28 | ||
29 | /***************************************************************************** | |
30 | * Linkstation Mini Info | |
31 | ****************************************************************************/ | |
32 | ||
33 | /* | |
34 | * 256K NOR flash Device bus boot chip select | |
35 | */ | |
36 | ||
37 | #define LSMINI_NOR_BOOT_BASE 0xf4000000 | |
38 | #define LSMINI_NOR_BOOT_SIZE SZ_256K | |
39 | ||
40 | /***************************************************************************** | |
41 | * 256KB NOR Flash on BOOT Device | |
42 | ****************************************************************************/ | |
43 | ||
44 | static struct physmap_flash_data lsmini_nor_flash_data = { | |
45 | .width = 1, | |
46 | }; | |
47 | ||
48 | static struct resource lsmini_nor_flash_resource = { | |
49 | .flags = IORESOURCE_MEM, | |
50 | .start = LSMINI_NOR_BOOT_BASE, | |
51 | .end = LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1, | |
52 | }; | |
53 | ||
54 | static struct platform_device lsmini_nor_flash = { | |
55 | .name = "physmap-flash", | |
56 | .id = 0, | |
57 | .dev = { | |
58 | .platform_data = &lsmini_nor_flash_data, | |
59 | }, | |
60 | .num_resources = 1, | |
61 | .resource = &lsmini_nor_flash_resource, | |
62 | }; | |
63 | ||
64 | /***************************************************************************** | |
65 | * Ethernet | |
66 | ****************************************************************************/ | |
67 | ||
68 | static struct mv643xx_eth_platform_data lsmini_eth_data = { | |
69 | .phy_addr = 8, | |
70 | }; | |
71 | ||
72 | /***************************************************************************** | |
73 | * RTC 5C372a on I2C bus | |
74 | ****************************************************************************/ | |
75 | ||
76 | static struct i2c_board_info __initdata lsmini_i2c_rtc = { | |
77 | I2C_BOARD_INFO("rs5c372a", 0x32), | |
78 | }; | |
79 | ||
80 | /***************************************************************************** | |
81 | * LEDs attached to GPIO | |
82 | ****************************************************************************/ | |
83 | ||
84 | #define LSMINI_GPIO_LED_ALARM 2 | |
85 | #define LSMINI_GPIO_LED_INFO 3 | |
86 | #define LSMINI_GPIO_LED_FUNC 9 | |
87 | #define LSMINI_GPIO_LED_PWR 14 | |
88 | ||
89 | static struct gpio_led lsmini_led_pins[] = { | |
90 | { | |
91 | .name = "alarm:red", | |
92 | .gpio = LSMINI_GPIO_LED_ALARM, | |
93 | .active_low = 1, | |
94 | }, { | |
95 | .name = "info:amber", | |
96 | .gpio = LSMINI_GPIO_LED_INFO, | |
97 | .active_low = 1, | |
98 | }, { | |
99 | .name = "func:blue:top", | |
100 | .gpio = LSMINI_GPIO_LED_FUNC, | |
101 | .active_low = 1, | |
102 | }, { | |
103 | .name = "power:blue:bottom", | |
104 | .gpio = LSMINI_GPIO_LED_PWR, | |
105 | }, | |
106 | }; | |
107 | ||
108 | static struct gpio_led_platform_data lsmini_led_data = { | |
109 | .leds = lsmini_led_pins, | |
110 | .num_leds = ARRAY_SIZE(lsmini_led_pins), | |
111 | }; | |
112 | ||
113 | static struct platform_device lsmini_leds = { | |
114 | .name = "leds-gpio", | |
115 | .id = -1, | |
116 | .dev = { | |
117 | .platform_data = &lsmini_led_data, | |
118 | }, | |
119 | }; | |
120 | ||
121 | /**************************************************************************** | |
122 | * GPIO Attached Keys | |
123 | ****************************************************************************/ | |
124 | ||
125 | #define LSMINI_GPIO_KEY_FUNC 15 | |
126 | #define LSMINI_GPIO_KEY_POWER 18 | |
127 | #define LSMINI_GPIO_KEY_AUTOPOWER 17 | |
128 | ||
129 | #define LSMINI_SW_POWER 0x00 | |
130 | #define LSMINI_SW_AUTOPOWER 0x01 | |
131 | ||
132 | static struct gpio_keys_button lsmini_buttons[] = { | |
133 | { | |
134 | .code = KEY_OPTION, | |
135 | .gpio = LSMINI_GPIO_KEY_FUNC, | |
136 | .desc = "Function Button", | |
137 | .active_low = 1, | |
138 | }, { | |
139 | .type = EV_SW, | |
140 | .code = LSMINI_SW_POWER, | |
141 | .gpio = LSMINI_GPIO_KEY_POWER, | |
142 | .desc = "Power-on Switch", | |
143 | .active_low = 1, | |
144 | }, { | |
145 | .type = EV_SW, | |
146 | .code = LSMINI_SW_AUTOPOWER, | |
147 | .gpio = LSMINI_GPIO_KEY_AUTOPOWER, | |
148 | .desc = "Power-auto Switch", | |
149 | .active_low = 1, | |
150 | }, | |
151 | }; | |
152 | ||
153 | static struct gpio_keys_platform_data lsmini_button_data = { | |
154 | .buttons = lsmini_buttons, | |
155 | .nbuttons = ARRAY_SIZE(lsmini_buttons), | |
156 | }; | |
157 | ||
158 | static struct platform_device lsmini_button_device = { | |
159 | .name = "gpio-keys", | |
160 | .id = -1, | |
161 | .num_resources = 0, | |
162 | .dev = { | |
163 | .platform_data = &lsmini_button_data, | |
164 | }, | |
165 | }; | |
166 | ||
167 | ||
168 | /***************************************************************************** | |
169 | * SATA | |
170 | ****************************************************************************/ | |
171 | static struct mv_sata_platform_data lsmini_sata_data = { | |
172 | .n_ports = 2, | |
173 | }; | |
174 | ||
175 | ||
92a5de80 AK |
176 | /***************************************************************************** |
177 | * Linkstation Mini specific power off method: reboot | |
178 | ****************************************************************************/ | |
179 | /* | |
180 | * On the Linkstation Mini, 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 | ||
187 | static void lsmini_power_off(void) | |
188 | { | |
be093beb | 189 | arch_reset(0, NULL); |
92a5de80 AK |
190 | } |
191 | ||
192 | ||
7b0a26f2 AK |
193 | /***************************************************************************** |
194 | * General Setup | |
195 | ****************************************************************************/ | |
196 | ||
197 | #define LSMINI_GPIO_USB_POWER 16 | |
198 | #define LSMINI_GPIO_AUTO_POWER 17 | |
199 | #define LSMINI_GPIO_POWER 18 | |
200 | ||
201 | #define LSMINI_GPIO_HDD_POWER0 1 | |
202 | #define LSMINI_GPIO_HDD_POWER1 19 | |
203 | ||
204 | static struct orion5x_mpp_mode lsmini_mpp_modes[] __initdata = { | |
205 | { 0, MPP_UNUSED }, /* LED_RESERVE1 (unused) */ | |
206 | { 1, MPP_GPIO }, /* HDD_PWR */ | |
207 | { 2, MPP_GPIO }, /* LED_ALARM */ | |
208 | { 3, MPP_GPIO }, /* LED_INFO */ | |
209 | { 4, MPP_UNUSED }, | |
210 | { 5, MPP_UNUSED }, | |
211 | { 6, MPP_UNUSED }, | |
212 | { 7, MPP_UNUSED }, | |
213 | { 8, MPP_UNUSED }, | |
214 | { 9, MPP_GPIO }, /* LED_FUNC */ | |
215 | { 10, MPP_UNUSED }, | |
216 | { 11, MPP_UNUSED }, /* LED_ETH (dummy) */ | |
217 | { 12, MPP_UNUSED }, | |
218 | { 13, MPP_UNUSED }, | |
219 | { 14, MPP_GPIO }, /* LED_PWR */ | |
220 | { 15, MPP_GPIO }, /* FUNC */ | |
221 | { 16, MPP_GPIO }, /* USB_PWR */ | |
222 | { 17, MPP_GPIO }, /* AUTO_POWER */ | |
223 | { 18, MPP_GPIO }, /* POWER */ | |
224 | { 19, MPP_GPIO }, /* HDD_PWR1 */ | |
225 | { -1 }, | |
226 | }; | |
227 | ||
228 | static void __init lsmini_init(void) | |
229 | { | |
230 | /* | |
231 | * Setup basic Orion functions. Need to be called early. | |
232 | */ | |
233 | orion5x_init(); | |
234 | ||
235 | orion5x_mpp_conf(lsmini_mpp_modes); | |
236 | ||
237 | /* | |
238 | * Configure peripherals. | |
239 | */ | |
240 | orion5x_ehci0_init(); | |
241 | orion5x_ehci1_init(); | |
242 | orion5x_eth_init(&lsmini_eth_data); | |
243 | orion5x_i2c_init(); | |
244 | orion5x_sata_init(&lsmini_sata_data); | |
245 | orion5x_uart0_init(); | |
246 | orion5x_xor_init(); | |
247 | ||
248 | orion5x_setup_dev_boot_win(LSMINI_NOR_BOOT_BASE, | |
249 | LSMINI_NOR_BOOT_SIZE); | |
250 | platform_device_register(&lsmini_nor_flash); | |
251 | ||
252 | platform_device_register(&lsmini_button_device); | |
253 | ||
254 | platform_device_register(&lsmini_leds); | |
255 | ||
256 | i2c_register_board_info(0, &lsmini_i2c_rtc, 1); | |
257 | ||
258 | /* enable USB power */ | |
259 | gpio_set_value(LSMINI_GPIO_USB_POWER, 1); | |
260 | ||
92a5de80 AK |
261 | /* register power-off method */ |
262 | pm_power_off = lsmini_power_off; | |
263 | ||
7b0a26f2 AK |
264 | pr_info("%s: finished\n", __func__); |
265 | } | |
266 | ||
267 | #ifdef CONFIG_MACH_LINKSTATION_MINI | |
268 | MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini") | |
269 | /* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */ | |
270 | .phys_io = ORION5X_REGS_PHYS_BASE, | |
271 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
272 | .boot_params = 0x00000100, | |
273 | .init_machine = lsmini_init, | |
274 | .map_io = orion5x_map_io, | |
275 | .init_irq = orion5x_init_irq, | |
276 | .timer = &orion5x_timer, | |
277 | .fixup = tag_fixup_mem32, | |
278 | MACHINE_END | |
279 | #endif |