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2d18638e ZQ |
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> | |
2d18638e ZQ |
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> | |
2d18638e | 21 | #include <linux/gpio.h> |
19615289 | 22 | #include <asm/mach-types.h> |
2d18638e | 23 | #include <asm/mach/arch.h> |
19615289 NP |
24 | #include <asm/system.h> |
25 | #include <mach/orion5x.h> | |
2d18638e ZQ |
26 | #include "common.h" |
27 | #include "mpp.h" | |
2d18638e ZQ |
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 | ||
44 | static struct physmap_flash_data ls_hgl_nor_flash_data = { | |
45 | .width = 1, | |
46 | }; | |
47 | ||
48 | static 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 | ||
54 | static 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 | ||
68 | static struct mv643xx_eth_platform_data ls_hgl_eth_data = { | |
69 | .phy_addr = 8, | |
70 | }; | |
71 | ||
72 | /***************************************************************************** | |
73 | * RTC 5C372a on I2C bus | |
74 | ****************************************************************************/ | |
75 | ||
76 | static 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 | ||
90 | static 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 | ||
109 | static 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 | ||
114 | static 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 | ||
132 | static 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 | ||
153 | static struct gpio_keys_platform_data ls_hgl_button_data = { | |
154 | .buttons = ls_hgl_buttons, | |
155 | .nbuttons = ARRAY_SIZE(ls_hgl_buttons), | |
156 | }; | |
157 | ||
158 | static 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 | ****************************************************************************/ | |
171 | static 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 | ||
187 | static void ls_hgl_power_off(void) | |
188 | { | |
19615289 | 189 | arm_machine_restart('h', NULL); |
2d18638e ZQ |
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 | ||
554cdaef AL |
203 | static unsigned int ls_hgl_mpp_modes[] __initdata = { |
204 | MPP0_GPIO, /* LED_PWR */ | |
205 | MPP1_GPIO, /* HDD_PWR */ | |
206 | MPP2_GPIO, /* LED_ALARM */ | |
207 | MPP3_GPIO, /* LED_INFO */ | |
208 | MPP4_UNUSED, | |
209 | MPP5_UNUSED, | |
210 | MPP6_GPIO, /* FAN_LCK */ | |
211 | MPP7_GPIO, /* INIT */ | |
212 | MPP8_GPIO, /* POWER */ | |
213 | MPP9_GPIO, /* USB_PWR */ | |
214 | MPP10_GPIO, /* AUTO_POWER */ | |
215 | MPP11_UNUSED, /* LED_ETH (dummy) */ | |
216 | MPP12_UNUSED, | |
217 | MPP13_UNUSED, | |
218 | MPP14_UNUSED, | |
219 | MPP15_GPIO, /* FUNC */ | |
220 | MPP16_UNUSED, | |
221 | MPP17_GPIO, /* LED_FUNC */ | |
222 | MPP18_UNUSED, | |
223 | MPP19_UNUSED, | |
224 | 0, | |
2d18638e ZQ |
225 | }; |
226 | ||
227 | static 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 | ||
266 | MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL") | |
267 | /* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */ | |
65aa1b1e | 268 | .atag_offset = 0x100, |
2d18638e ZQ |
269 | .init_machine = ls_hgl_init, |
270 | .map_io = orion5x_map_io, | |
4ee1f6b5 | 271 | .init_early = orion5x_init_early, |
2d18638e ZQ |
272 | .init_irq = orion5x_init_irq, |
273 | .timer = &orion5x_timer, | |
274 | .fixup = tag_fixup_mem32, | |
275 | MACHINE_END |