1 /*
2 * arch/arm/mach-orion5x/net2big-setup.c
3 *
4 * LaCie 2Big Network NAS setup
5 *
6 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/mv643xx_eth.h>
18 #include <linux/leds.h>
19 #include <linux/gpio_keys.h>
20 #include <linux/input.h>
21 #include <linux/i2c.h>
22 #include <linux/ata_platform.h>
23 #include <linux/gpio.h>
24 #include <linux/delay.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <plat/orion-gpio.h>
28 #include "common.h"
29 #include "mpp.h"
30 #include "orion5x.h"
31
32 /*****************************************************************************
33 * LaCie 2Big Network Info
34 ****************************************************************************/
35
36 /*
37 * 512KB NOR flash Device bus boot chip select
38 */
39
40 #define NET2BIG_NOR_BOOT_BASE 0xfff80000
41 #define NET2BIG_NOR_BOOT_SIZE SZ_512K
42
43 /*****************************************************************************
44 * 512KB NOR Flash on Boot Device
45 ****************************************************************************/
46
47 /*
48 * TODO: Check write support on flash MX29LV400CBTC-70G
49 */
50
51 static struct mtd_partition net2big_partitions[] = {
52 {
53 .name = "Full512kb",
54 .size = MTDPART_SIZ_FULL,
55 .offset = 0x00000000,
56 .mask_flags = MTD_WRITEABLE,
57 },
58 };
59
60 static struct physmap_flash_data net2big_nor_flash_data = {
61 .width = 1,
62 .parts = net2big_partitions,
63 .nr_parts = ARRAY_SIZE(net2big_partitions),
64 };
65
66 static struct resource net2big_nor_flash_resource = {
67 .flags = IORESOURCE_MEM,
68 .start = NET2BIG_NOR_BOOT_BASE,
69 .end = NET2BIG_NOR_BOOT_BASE
70 + NET2BIG_NOR_BOOT_SIZE - 1,
71 };
72
73 static struct platform_device net2big_nor_flash = {
74 .name = "physmap-flash",
75 .id = 0,
76 .dev = {
77 .platform_data = &net2big_nor_flash_data,
78 },
79 .num_resources = 1,
80 .resource = &net2big_nor_flash_resource,
81 };
82
83 /*****************************************************************************
84 * Ethernet
85 ****************************************************************************/
86
87 static struct mv643xx_eth_platform_data net2big_eth_data = {
88 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
89 };
90
91 /*****************************************************************************
92 * I2C devices
93 ****************************************************************************/
94
95 /*
96 * i2c addr | chip | description
97 * 0x32 | Ricoh 5C372b | RTC
98 * 0x50 | HT24LC08 | eeprom (1kB)
99 */
100 static struct i2c_board_info __initdata net2big_i2c_devices[] = {
101 {
102 I2C_BOARD_INFO("rs5c372b", 0x32),
103 }, {
104 I2C_BOARD_INFO("24c08", 0x50),
105 },
106 };
107
108 /*****************************************************************************
109 * SATA
110 ****************************************************************************/
111
112 static struct mv_sata_platform_data net2big_sata_data = {
113 .n_ports = 2,
114 };
115
116 #define NET2BIG_GPIO_SATA_POWER_REQ 19
117 #define NET2BIG_GPIO_SATA0_POWER 23
118 #define NET2BIG_GPIO_SATA1_POWER 25
119
net2big_sata_power_init(void)120 static void __init net2big_sata_power_init(void)
121 {
122 int err;
123
124 /* Configure GPIOs over MPP max number. */
125 orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
126 orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
127
128 err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
129 if (err == 0) {
130 err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
131 if (err)
132 gpio_free(NET2BIG_GPIO_SATA0_POWER);
133 }
134 if (err) {
135 pr_err("net2big: failed to setup SATA0 power GPIO\n");
136 return;
137 }
138
139 err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
140 if (err == 0) {
141 err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
142 if (err)
143 gpio_free(NET2BIG_GPIO_SATA1_POWER);
144 }
145 if (err) {
146 pr_err("net2big: failed to setup SATA1 power GPIO\n");
147 goto err_free_1;
148 }
149
150 err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
151 if (err == 0) {
152 err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
153 if (err)
154 gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
155 }
156 if (err) {
157 pr_err("net2big: failed to setup SATA power request GPIO\n");
158 goto err_free_2;
159 }
160
161 if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
162 gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
163 return;
164 }
165
166 /*
167 * SATA power up on both disk is done by pulling high the CPLD power
168 * request line. The 300ms delay is related to the CPLD clock and is
169 * needed to be sure that the CPLD has take into account the low line
170 * status.
171 */
172 msleep(300);
173 gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
174 pr_info("net2big: power up SATA hard disks\n");
175
176 return;
177
178 err_free_2:
179 gpio_free(NET2BIG_GPIO_SATA1_POWER);
180 err_free_1:
181 gpio_free(NET2BIG_GPIO_SATA0_POWER);
182
183 return;
184 }
185
186 /*****************************************************************************
187 * GPIO LEDs
188 ****************************************************************************/
189
190 /*
191 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
192 * single GPIO line and are compatible with the leds-gpio driver.
193 *
194 * The SATA blue LEDs have some hardware blink capabilities which are detailed
195 * in the following array:
196 *
197 * SATAx blue LED | SATAx activity | LED state
198 * | |
199 * 0 | 0 | blink (rate 300ms)
200 * 1 | 0 | off
201 * ? | 1 | on
202 *
203 * Notes: The blue and the red front LED's can't be on at the same time.
204 * Blue LED have priority.
205 */
206
207 #define NET2BIG_GPIO_PWR_RED_LED 6
208 #define NET2BIG_GPIO_PWR_BLUE_LED 16
209 #define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
210
211 #define NET2BIG_GPIO_SATA0_RED_LED 11
212 #define NET2BIG_GPIO_SATA1_RED_LED 10
213
214 #define NET2BIG_GPIO_SATA0_BLUE_LED 17
215 #define NET2BIG_GPIO_SATA1_BLUE_LED 13
216
217 static struct gpio_led net2big_leds[] = {
218 {
219 .name = "net2big:red:power",
220 .gpio = NET2BIG_GPIO_PWR_RED_LED,
221 },
222 {
223 .name = "net2big:blue:power",
224 .gpio = NET2BIG_GPIO_PWR_BLUE_LED,
225 },
226 {
227 .name = "net2big:red:sata0",
228 .gpio = NET2BIG_GPIO_SATA0_RED_LED,
229 },
230 {
231 .name = "net2big:red:sata1",
232 .gpio = NET2BIG_GPIO_SATA1_RED_LED,
233 },
234 };
235
236 static struct gpio_led_platform_data net2big_led_data = {
237 .num_leds = ARRAY_SIZE(net2big_leds),
238 .leds = net2big_leds,
239 };
240
241 static struct platform_device net2big_gpio_leds = {
242 .name = "leds-gpio",
243 .id = -1,
244 .dev = {
245 .platform_data = &net2big_led_data,
246 },
247 };
248
net2big_gpio_leds_init(void)249 static void __init net2big_gpio_leds_init(void)
250 {
251 int err;
252
253 /* Stop initial CPLD slow red/blue blinking on power LED. */
254 err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
255 "Power LED blink stop");
256 if (err == 0) {
257 err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
258 if (err)
259 gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
260 }
261 if (err)
262 pr_err("net2big: failed to setup power LED blink GPIO\n");
263
264 /*
265 * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
266 * hard disk activity.
267 */
268 err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
269 "SATA0 blue LED control");
270 if (err == 0) {
271 err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
272 if (err)
273 gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
274 }
275 if (err)
276 pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
277
278 err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
279 "SATA1 blue LED control");
280 if (err == 0) {
281 err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
282 if (err)
283 gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
284 }
285 if (err)
286 pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
287
288 platform_device_register(&net2big_gpio_leds);
289 }
290
291 /****************************************************************************
292 * GPIO keys
293 ****************************************************************************/
294
295 #define NET2BIG_GPIO_PUSH_BUTTON 18
296 #define NET2BIG_GPIO_POWER_SWITCH_ON 8
297 #define NET2BIG_GPIO_POWER_SWITCH_OFF 9
298
299 #define NET2BIG_SWITCH_POWER_ON 0x1
300 #define NET2BIG_SWITCH_POWER_OFF 0x2
301
302 static struct gpio_keys_button net2big_buttons[] = {
303 {
304 .type = EV_SW,
305 .code = NET2BIG_SWITCH_POWER_OFF,
306 .gpio = NET2BIG_GPIO_POWER_SWITCH_OFF,
307 .desc = "Power rocker switch (auto|off)",
308 .active_low = 0,
309 },
310 {
311 .type = EV_SW,
312 .code = NET2BIG_SWITCH_POWER_ON,
313 .gpio = NET2BIG_GPIO_POWER_SWITCH_ON,
314 .desc = "Power rocker switch (on|auto)",
315 .active_low = 0,
316 },
317 {
318 .type = EV_KEY,
319 .code = KEY_POWER,
320 .gpio = NET2BIG_GPIO_PUSH_BUTTON,
321 .desc = "Front Push Button",
322 .active_low = 0,
323 },
324 };
325
326 static struct gpio_keys_platform_data net2big_button_data = {
327 .buttons = net2big_buttons,
328 .nbuttons = ARRAY_SIZE(net2big_buttons),
329 };
330
331 static struct platform_device net2big_gpio_buttons = {
332 .name = "gpio-keys",
333 .id = -1,
334 .dev = {
335 .platform_data = &net2big_button_data,
336 },
337 };
338
339 /*****************************************************************************
340 * General Setup
341 ****************************************************************************/
342
343 static unsigned int net2big_mpp_modes[] __initdata = {
344 MPP0_GPIO, /* Raid mode (bit 0) */
345 MPP1_GPIO, /* USB port 2 fuse (0 = Fail, 1 = Ok) */
346 MPP2_GPIO, /* Raid mode (bit 1) */
347 MPP3_GPIO, /* Board ID (bit 0) */
348 MPP4_GPIO, /* Fan activity (0 = Off, 1 = On) */
349 MPP5_GPIO, /* Fan fail detection */
350 MPP6_GPIO, /* Red front LED (0 = Off, 1 = On) */
351 MPP7_GPIO, /* Disable initial blinking on front LED */
352 MPP8_GPIO, /* Rear power switch (on|auto) */
353 MPP9_GPIO, /* Rear power switch (auto|off) */
354 MPP10_GPIO, /* SATA 1 red LED (0 = Off, 1 = On) */
355 MPP11_GPIO, /* SATA 0 red LED (0 = Off, 1 = On) */
356 MPP12_GPIO, /* Board ID (bit 1) */
357 MPP13_GPIO, /* SATA 1 blue LED blink control */
358 MPP14_SATA_LED,
359 MPP15_SATA_LED,
360 MPP16_GPIO, /* Blue front LED control */
361 MPP17_GPIO, /* SATA 0 blue LED blink control */
362 MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */
363 MPP19_GPIO, /* SATA{0,1} power On/Off request */
364 0,
365 /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
366 /* 23: SATA 0 power status */
367 /* 24: Board power off */
368 /* 25: SATA 1 power status */
369 };
370
371 #define NET2BIG_GPIO_POWER_OFF 24
372
net2big_power_off(void)373 static void net2big_power_off(void)
374 {
375 gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
376 }
377
net2big_init(void)378 static void __init net2big_init(void)
379 {
380 /*
381 * Setup basic Orion functions. Need to be called early.
382 */
383 orion5x_init();
384
385 orion5x_mpp_conf(net2big_mpp_modes);
386
387 /*
388 * Configure peripherals.
389 */
390 orion5x_ehci0_init();
391 orion5x_ehci1_init();
392 orion5x_eth_init(&net2big_eth_data);
393 orion5x_i2c_init();
394 orion5x_uart0_init();
395 orion5x_xor_init();
396
397 net2big_sata_power_init();
398 orion5x_sata_init(&net2big_sata_data);
399
400 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
401 ORION_MBUS_DEVBUS_BOOT_ATTR,
402 NET2BIG_NOR_BOOT_BASE,
403 NET2BIG_NOR_BOOT_SIZE);
404 platform_device_register(&net2big_nor_flash);
405
406 platform_device_register(&net2big_gpio_buttons);
407 net2big_gpio_leds_init();
408
409 i2c_register_board_info(0, net2big_i2c_devices,
410 ARRAY_SIZE(net2big_i2c_devices));
411
412 orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
413
414 if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
415 gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
416 pm_power_off = net2big_power_off;
417 else
418 pr_err("net2big: failed to configure power-off GPIO\n");
419
420 pr_notice("net2big: Flash writing is not yet supported.\n");
421 }
422
423 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
424 MACHINE_START(NET2BIG, "LaCie 2Big Network")
425 .atag_offset = 0x100,
426 .nr_irqs = ORION5X_NR_IRQS,
427 .init_machine = net2big_init,
428 .map_io = orion5x_map_io,
429 .init_early = orion5x_init_early,
430 .init_irq = orion5x_init_irq,
431 .init_time = orion5x_timer_init,
432 .fixup = tag_fixup_mem32,
433 .restart = orion5x_restart,
434 MACHINE_END
435
436