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1cb9f9b0 SG |
1 | /* |
2 | * arch/arm/mach-kirkwood/netspace_v2-setup.c | |
3 | * | |
4 | * LaCie Network Space v2 board setup | |
5 | * | |
6 | * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com> | |
7 | * Copyright (C) 2009 Benoît Canet <benoit.canet@gmail.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <linux/kernel.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/mtd/physmap.h> | |
28 | #include <linux/spi/flash.h> | |
29 | #include <linux/spi/spi.h> | |
30 | #include <linux/ata_platform.h> | |
31 | #include <linux/mv643xx_eth.h> | |
32 | #include <linux/i2c.h> | |
33 | #include <linux/i2c/at24.h> | |
34 | #include <linux/input.h> | |
35 | #include <linux/gpio.h> | |
36 | #include <linux/gpio_keys.h> | |
37 | #include <linux/leds.h> | |
38 | #include <asm/mach-types.h> | |
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/time.h> | |
41 | #include <mach/kirkwood.h> | |
42 | #include <plat/time.h> | |
43 | #include "common.h" | |
44 | #include "mpp.h" | |
45 | ||
46 | /***************************************************************************** | |
47 | * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005) | |
48 | ****************************************************************************/ | |
49 | ||
50 | static struct mtd_partition netspace_v2_flash_parts[] = { | |
51 | { | |
52 | .name = "u-boot", | |
53 | .size = MTDPART_SIZ_FULL, | |
54 | .offset = 0, | |
55 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
56 | }, | |
57 | }; | |
58 | ||
59 | static const struct flash_platform_data netspace_v2_flash = { | |
60 | .type = "mx25l4005a", | |
61 | .name = "spi_flash", | |
62 | .parts = netspace_v2_flash_parts, | |
63 | .nr_parts = ARRAY_SIZE(netspace_v2_flash_parts), | |
64 | }; | |
65 | ||
66 | static struct spi_board_info __initdata netspace_v2_spi_slave_info[] = { | |
67 | { | |
68 | .modalias = "m25p80", | |
69 | .platform_data = &netspace_v2_flash, | |
70 | .irq = -1, | |
71 | .max_speed_hz = 20000000, | |
72 | .bus_num = 0, | |
73 | .chip_select = 0, | |
74 | }, | |
75 | }; | |
76 | ||
77 | /***************************************************************************** | |
78 | * Ethernet | |
79 | ****************************************************************************/ | |
80 | ||
81 | static struct mv643xx_eth_platform_data netspace_v2_ge00_data = { | |
82 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), | |
83 | }; | |
84 | ||
85 | /***************************************************************************** | |
86 | * I2C devices | |
87 | ****************************************************************************/ | |
88 | ||
89 | static struct at24_platform_data at24c04 = { | |
90 | .byte_len = SZ_4K / 8, | |
91 | .page_size = 16, | |
92 | }; | |
93 | ||
94 | /* | |
95 | * i2c addr | chip | description | |
96 | * 0x50 | HT24LC04 | eeprom (512B) | |
97 | */ | |
98 | ||
99 | static struct i2c_board_info __initdata netspace_v2_i2c_info[] = { | |
100 | { | |
101 | I2C_BOARD_INFO("24c04", 0x50), | |
102 | .platform_data = &at24c04, | |
103 | } | |
104 | }; | |
105 | ||
106 | /***************************************************************************** | |
107 | * SATA | |
108 | ****************************************************************************/ | |
109 | ||
110 | static struct mv_sata_platform_data netspace_v2_sata_data = { | |
111 | .n_ports = 2, | |
112 | }; | |
113 | ||
114 | #define NETSPACE_V2_GPIO_SATA0_POWER 16 | |
115 | #define NETSPACE_V2_GPIO_SATA1_POWER 17 | |
116 | ||
117 | static void __init netspace_v2_sata_power_init(void) | |
118 | { | |
119 | int err; | |
120 | ||
121 | err = gpio_request(NETSPACE_V2_GPIO_SATA0_POWER, "SATA0 power"); | |
122 | if (err == 0) { | |
123 | err = gpio_direction_output(NETSPACE_V2_GPIO_SATA0_POWER, 1); | |
124 | if (err) | |
125 | gpio_free(NETSPACE_V2_GPIO_SATA0_POWER); | |
126 | } | |
127 | if (err) | |
128 | pr_err("netspace_v2: failed to setup SATA0 power\n"); | |
129 | } | |
130 | ||
131 | /***************************************************************************** | |
132 | * GPIO keys | |
133 | ****************************************************************************/ | |
134 | ||
135 | #define NETSPACE_V2_PUSH_BUTTON 32 | |
136 | ||
137 | static struct gpio_keys_button netspace_v2_buttons[] = { | |
138 | [0] = { | |
139 | .code = KEY_POWER, | |
140 | .gpio = NETSPACE_V2_PUSH_BUTTON, | |
141 | .desc = "Power push button", | |
142 | .active_low = 0, | |
143 | }, | |
144 | }; | |
145 | ||
146 | static struct gpio_keys_platform_data netspace_v2_button_data = { | |
147 | .buttons = netspace_v2_buttons, | |
148 | .nbuttons = ARRAY_SIZE(netspace_v2_buttons), | |
149 | }; | |
150 | ||
151 | static struct platform_device netspace_v2_gpio_buttons = { | |
152 | .name = "gpio-keys", | |
153 | .id = -1, | |
154 | .dev = { | |
155 | .platform_data = &netspace_v2_button_data, | |
156 | }, | |
157 | }; | |
158 | ||
159 | /***************************************************************************** | |
160 | * GPIO LEDs | |
161 | ****************************************************************************/ | |
162 | ||
163 | /* | |
164 | * The blue front LED is wired to a CPLD and can blink in relation with the | |
165 | * SATA activity. | |
166 | * | |
167 | * The following array detail the different LED registers and the combination | |
168 | * of their possible values: | |
169 | * | |
170 | * cmd_led | slow_led | /SATA active | LED state | |
171 | * | | | | |
172 | * 1 | 0 | x | off | |
173 | * - | 1 | x | on | |
174 | * 0 | 0 | 1 | on | |
175 | * 0 | 0 | 0 | blink (rate 300ms) | |
176 | */ | |
177 | ||
178 | #define NETSPACE_V2_GPIO_RED_LED 12 | |
179 | #define NETSPACE_V2_GPIO_BLUE_LED_SLOW 29 | |
180 | #define NETSPACE_V2_GPIO_BLUE_LED_CMD 30 | |
181 | ||
182 | ||
183 | static struct gpio_led netspace_v2_gpio_led_pins[] = { | |
184 | { | |
1afeea84 SG |
185 | .name = "ns_v2:blue:sata", |
186 | .default_trigger = "default-on", | |
187 | .gpio = NETSPACE_V2_GPIO_BLUE_LED_CMD, | |
188 | .active_low = 1, | |
189 | }, | |
190 | { | |
191 | .name = "ns_v2:red:fail", | |
192 | .gpio = NETSPACE_V2_GPIO_RED_LED, | |
1cb9f9b0 SG |
193 | }, |
194 | }; | |
195 | ||
196 | static struct gpio_led_platform_data netspace_v2_gpio_leds_data = { | |
197 | .num_leds = ARRAY_SIZE(netspace_v2_gpio_led_pins), | |
198 | .leds = netspace_v2_gpio_led_pins, | |
199 | }; | |
200 | ||
201 | static struct platform_device netspace_v2_gpio_leds = { | |
202 | .name = "leds-gpio", | |
203 | .id = -1, | |
204 | .dev = { | |
205 | .platform_data = &netspace_v2_gpio_leds_data, | |
206 | }, | |
207 | }; | |
208 | ||
209 | static void __init netspace_v2_gpio_leds_init(void) | |
210 | { | |
1afeea84 SG |
211 | int err; |
212 | ||
213 | /* Configure register slow_led to allow SATA activity LED blinking */ | |
214 | err = gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW, "blue LED slow"); | |
215 | if (err == 0) { | |
216 | err = gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0); | |
217 | if (err) | |
218 | gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW); | |
219 | } | |
220 | if (err) | |
221 | pr_err("netspace_v2: failed to configure blue LED slow GPIO\n"); | |
1cb9f9b0 | 222 | |
1afeea84 | 223 | platform_device_register(&netspace_v2_gpio_leds); |
1cb9f9b0 SG |
224 | } |
225 | ||
226 | /***************************************************************************** | |
227 | * Timer | |
228 | ****************************************************************************/ | |
229 | ||
230 | static void netspace_v2_timer_init(void) | |
231 | { | |
232 | kirkwood_tclk = 166666667; | |
233 | orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); | |
234 | } | |
235 | ||
236 | struct sys_timer netspace_v2_timer = { | |
237 | .init = netspace_v2_timer_init, | |
238 | }; | |
239 | ||
240 | /***************************************************************************** | |
241 | * General Setup | |
242 | ****************************************************************************/ | |
243 | ||
244 | static unsigned int netspace_v2_mpp_config[] __initdata = { | |
245 | MPP0_SPI_SCn, | |
246 | MPP1_SPI_MOSI, | |
247 | MPP2_SPI_SCK, | |
248 | MPP3_SPI_MISO, | |
249 | MPP4_NF_IO6, | |
250 | MPP5_NF_IO7, | |
251 | MPP6_SYSRST_OUTn, | |
266a2458 BZ |
252 | MPP8_TW0_SDA, |
253 | MPP9_TW0_SCK, | |
1cb9f9b0 SG |
254 | MPP10_UART0_TXD, |
255 | MPP11_UART0_RXD, | |
256 | MPP12_GPO, /* Red led */ | |
257 | MPP14_GPIO, /* USB fuse */ | |
258 | MPP16_GPIO, /* SATA 0 power */ | |
259 | MPP18_NF_IO0, | |
260 | MPP19_NF_IO1, | |
261 | MPP20_SATA1_ACTn, | |
262 | MPP21_SATA0_ACTn, | |
263 | MPP24_GPIO, /* USB mode select */ | |
264 | MPP25_GPIO, /* Fan rotation fail */ | |
265 | MPP26_GPIO, /* USB device vbus */ | |
266 | MPP28_GPIO, /* USB enable host vbus */ | |
267 | MPP29_GPIO, /* Blue led (slow register) */ | |
268 | MPP30_GPIO, /* Blue led (command register) */ | |
269 | MPP31_GPIO, /* Board power off */ | |
270 | MPP32_GPIO, /* Power button (0 = Released, 1 = Pushed) */ | |
271 | 0 | |
272 | }; | |
273 | ||
274 | #define NETSPACE_V2_GPIO_POWER_OFF 31 | |
275 | ||
276 | static void netspace_v2_power_off(void) | |
277 | { | |
278 | gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1); | |
279 | } | |
280 | ||
281 | static void __init netspace_v2_init(void) | |
282 | { | |
283 | /* | |
284 | * Basic setup. Needs to be called early. | |
285 | */ | |
286 | kirkwood_init(); | |
287 | kirkwood_mpp_conf(netspace_v2_mpp_config); | |
288 | ||
289 | netspace_v2_sata_power_init(); | |
290 | ||
291 | kirkwood_ehci_init(); | |
292 | kirkwood_ge00_init(&netspace_v2_ge00_data); | |
293 | kirkwood_sata_init(&netspace_v2_sata_data); | |
294 | kirkwood_uart0_init(); | |
295 | spi_register_board_info(netspace_v2_spi_slave_info, | |
296 | ARRAY_SIZE(netspace_v2_spi_slave_info)); | |
297 | kirkwood_spi_init(); | |
298 | kirkwood_i2c_init(); | |
299 | i2c_register_board_info(0, netspace_v2_i2c_info, | |
300 | ARRAY_SIZE(netspace_v2_i2c_info)); | |
301 | ||
302 | netspace_v2_gpio_leds_init(); | |
303 | platform_device_register(&netspace_v2_gpio_buttons); | |
304 | ||
305 | if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 && | |
306 | gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0) | |
307 | pm_power_off = netspace_v2_power_off; | |
308 | else | |
309 | pr_err("netspace_v2: failed to configure power-off GPIO\n"); | |
310 | } | |
311 | ||
ca9cea93 | 312 | #ifdef CONFIG_MACH_NETSPACE_V2 |
1cb9f9b0 SG |
313 | MACHINE_START(NETSPACE_V2, "LaCie Network Space v2") |
314 | .phys_io = KIRKWOOD_REGS_PHYS_BASE, | |
315 | .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, | |
316 | .boot_params = 0x00000100, | |
317 | .init_machine = netspace_v2_init, | |
318 | .map_io = kirkwood_map_io, | |
319 | .init_irq = kirkwood_init_irq, | |
320 | .timer = &netspace_v2_timer, | |
321 | MACHINE_END | |
ca9cea93 SG |
322 | #endif |
323 | ||
324 | #ifdef CONFIG_MACH_INETSPACE_V2 | |
325 | MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2") | |
326 | .phys_io = KIRKWOOD_REGS_PHYS_BASE, | |
327 | .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, | |
328 | .boot_params = 0x00000100, | |
329 | .init_machine = netspace_v2_init, | |
330 | .map_io = kirkwood_map_io, | |
331 | .init_irq = kirkwood_init_irq, | |
332 | .timer = &netspace_v2_timer, | |
333 | MACHINE_END | |
334 | #endif |