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Simon Guinot54782672009-06-23 13:54:35 +02001/*
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 <mach/orion5x.h>
28#include "common.h"
29#include "mpp.h"
30
31/*****************************************************************************
32 * LaCie 2Big Network Info
33 ****************************************************************************/
34
35/*
36 * 512KB NOR flash Device bus boot chip select
37 */
38
39#define NET2BIG_NOR_BOOT_BASE 0xfff80000
40#define NET2BIG_NOR_BOOT_SIZE SZ_512K
41
42/*****************************************************************************
43 * 512KB NOR Flash on Boot Device
44 ****************************************************************************/
45
46/*
47 * TODO: Check write support on flash MX29LV400CBTC-70G
48 */
49
50static struct mtd_partition net2big_partitions[] = {
51 {
52 .name = "Full512kb",
53 .size = MTDPART_SIZ_FULL,
54 .offset = 0x00000000,
55 .mask_flags = MTD_WRITEABLE,
56 },
57};
58
59static struct physmap_flash_data net2big_nor_flash_data = {
60 .width = 1,
61 .parts = net2big_partitions,
62 .nr_parts = ARRAY_SIZE(net2big_partitions),
63};
64
65static struct resource net2big_nor_flash_resource = {
66 .flags = IORESOURCE_MEM,
67 .start = NET2BIG_NOR_BOOT_BASE,
68 .end = NET2BIG_NOR_BOOT_BASE
69 + NET2BIG_NOR_BOOT_SIZE - 1,
70};
71
72static struct platform_device net2big_nor_flash = {
73 .name = "physmap-flash",
74 .id = 0,
75 .dev = {
76 .platform_data = &net2big_nor_flash_data,
77 },
78 .num_resources = 1,
79 .resource = &net2big_nor_flash_resource,
80};
81
82/*****************************************************************************
83 * Ethernet
84 ****************************************************************************/
85
86static struct mv643xx_eth_platform_data net2big_eth_data = {
87 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
88};
89
90/*****************************************************************************
91 * I2C devices
92 ****************************************************************************/
93
94/*
95 * i2c addr | chip | description
96 * 0x32 | Ricoh 5C372b | RTC
97 * 0x50 | HT24LC08 | eeprom (1kB)
98 */
99static struct i2c_board_info __initdata net2big_i2c_devices[] = {
100 {
101 I2C_BOARD_INFO("rs5c372b", 0x32),
102 }, {
103 I2C_BOARD_INFO("24c08", 0x50),
104 },
105};
106
107/*****************************************************************************
108 * SATA
109 ****************************************************************************/
110
111static struct mv_sata_platform_data net2big_sata_data = {
112 .n_ports = 2,
113};
114
115#define NET2BIG_GPIO_SATA_POWER_REQ 19
116#define NET2BIG_GPIO_SATA0_POWER 23
117#define NET2BIG_GPIO_SATA1_POWER 25
118
119static void __init net2big_sata_power_init(void)
120{
121 int err;
122
123 /* Configure GPIOs over MPP max number. */
124 orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
125 orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
126
127 err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
128 if (err == 0) {
129 err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
130 if (err)
131 gpio_free(NET2BIG_GPIO_SATA0_POWER);
132 }
133 if (err) {
134 pr_err("net2big: failed to setup SATA0 power GPIO\n");
135 return;
136 }
137
138 err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
139 if (err == 0) {
140 err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
141 if (err)
142 gpio_free(NET2BIG_GPIO_SATA1_POWER);
143 }
144 if (err) {
145 pr_err("net2big: failed to setup SATA1 power GPIO\n");
146 goto err_free_1;
147 }
148
149 err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
150 if (err == 0) {
151 err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
152 if (err)
153 gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
154 }
155 if (err) {
156 pr_err("net2big: failed to setup SATA power request GPIO\n");
157 goto err_free_2;
158 }
159
160 if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
161 gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
162 return;
163 }
164
165 /*
166 * SATA power up on both disk is done by pulling high the CPLD power
167 * request line. The 300ms delay is related to the CPLD clock and is
168 * needed to be sure that the CPLD has take into account the low line
169 * status.
170 */
171 msleep(300);
172 gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
173 pr_info("net2big: power up SATA hard disks\n");
174
175 return;
176
177err_free_2:
178 gpio_free(NET2BIG_GPIO_SATA1_POWER);
179err_free_1:
180 gpio_free(NET2BIG_GPIO_SATA0_POWER);
181
182 return;
183}
184
185/*****************************************************************************
186 * GPIO LEDs
187 ****************************************************************************/
188
189/*
190 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
191 * single GPIO line and are compatible with the leds-gpio driver.
192 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300193 * The SATA blue LEDs have some hardware blink capabilities which are detailed
Simon Guinot54782672009-06-23 13:54:35 +0200194 * in the following array:
195 *
196 * SATAx blue LED | SATAx activity | LED state
197 * | |
198 * 0 | 0 | blink (rate 300ms)
199 * 1 | 0 | off
200 * ? | 1 | on
201 *
202 * Notes: The blue and the red front LED's can't be on at the same time.
203 * Blue LED have priority.
204 */
205
206#define NET2BIG_GPIO_PWR_RED_LED 6
207#define NET2BIG_GPIO_PWR_BLUE_LED 16
208#define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
209
210#define NET2BIG_GPIO_SATA0_RED_LED 11
211#define NET2BIG_GPIO_SATA1_RED_LED 10
212
213#define NET2BIG_GPIO_SATA0_BLUE_LED 17
214#define NET2BIG_GPIO_SATA1_BLUE_LED 13
215
216static struct gpio_led net2big_leds[] = {
217 {
218 .name = "net2big:red:power",
219 .gpio = NET2BIG_GPIO_PWR_RED_LED,
220 },
221 {
222 .name = "net2big:blue:power",
223 .gpio = NET2BIG_GPIO_PWR_BLUE_LED,
224 },
225 {
226 .name = "net2big:red:sata0",
227 .gpio = NET2BIG_GPIO_SATA0_RED_LED,
228 },
229 {
230 .name = "net2big:red:sata1",
231 .gpio = NET2BIG_GPIO_SATA1_RED_LED,
232 },
233};
234
235static struct gpio_led_platform_data net2big_led_data = {
236 .num_leds = ARRAY_SIZE(net2big_leds),
237 .leds = net2big_leds,
238};
239
240static struct platform_device net2big_gpio_leds = {
241 .name = "leds-gpio",
242 .id = -1,
243 .dev = {
244 .platform_data = &net2big_led_data,
245 },
246};
247
248static void __init net2big_gpio_leds_init(void)
249{
250 int err;
251
252 /* Stop initial CPLD slow red/blue blinking on power LED. */
253 err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
254 "Power LED blink stop");
255 if (err == 0) {
256 err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
257 if (err)
258 gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
259 }
260 if (err)
261 pr_err("net2big: failed to setup power LED blink GPIO\n");
262
263 /*
264 * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
265 * hard disk activity.
266 */
267 err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
268 "SATA0 blue LED control");
269 if (err == 0) {
270 err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
271 if (err)
272 gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
273 }
274 if (err)
275 pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
276
277 err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
278 "SATA1 blue LED control");
279 if (err == 0) {
280 err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
281 if (err)
282 gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
283 }
284 if (err)
285 pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
286
287 platform_device_register(&net2big_gpio_leds);
288}
289
290/****************************************************************************
291 * GPIO keys
292 ****************************************************************************/
293
294#define NET2BIG_GPIO_PUSH_BUTTON 18
295#define NET2BIG_GPIO_POWER_SWITCH_ON 8
296#define NET2BIG_GPIO_POWER_SWITCH_OFF 9
297
298#define NET2BIG_SWITCH_POWER_ON 0x1
299#define NET2BIG_SWITCH_POWER_OFF 0x2
300
301static struct gpio_keys_button net2big_buttons[] = {
302 {
303 .type = EV_SW,
304 .code = NET2BIG_SWITCH_POWER_OFF,
305 .gpio = NET2BIG_GPIO_POWER_SWITCH_OFF,
306 .desc = "Power rocker switch (auto|off)",
307 .active_low = 0,
308 },
309 {
310 .type = EV_SW,
311 .code = NET2BIG_SWITCH_POWER_ON,
312 .gpio = NET2BIG_GPIO_POWER_SWITCH_ON,
313 .desc = "Power rocker switch (on|auto)",
314 .active_low = 0,
315 },
316 {
317 .type = EV_KEY,
318 .code = KEY_POWER,
319 .gpio = NET2BIG_GPIO_PUSH_BUTTON,
320 .desc = "Front Push Button",
321 .active_low = 0,
322 },
323};
324
325static struct gpio_keys_platform_data net2big_button_data = {
326 .buttons = net2big_buttons,
327 .nbuttons = ARRAY_SIZE(net2big_buttons),
328};
329
330static struct platform_device net2big_gpio_buttons = {
331 .name = "gpio-keys",
332 .id = -1,
333 .dev = {
334 .platform_data = &net2big_button_data,
335 },
336};
337
338/*****************************************************************************
339 * General Setup
340 ****************************************************************************/
341
Andrew Lunn554cdae2011-05-15 13:32:53 +0200342static unsigned int net2big_mpp_modes[] __initdata = {
343 MPP0_GPIO, /* Raid mode (bit 0) */
344 MPP1_GPIO, /* USB port 2 fuse (0 = Fail, 1 = Ok) */
345 MPP2_GPIO, /* Raid mode (bit 1) */
346 MPP3_GPIO, /* Board ID (bit 0) */
347 MPP4_GPIO, /* Fan activity (0 = Off, 1 = On) */
348 MPP5_GPIO, /* Fan fail detection */
349 MPP6_GPIO, /* Red front LED (0 = Off, 1 = On) */
350 MPP7_GPIO, /* Disable initial blinking on front LED */
351 MPP8_GPIO, /* Rear power switch (on|auto) */
352 MPP9_GPIO, /* Rear power switch (auto|off) */
353 MPP10_GPIO, /* SATA 1 red LED (0 = Off, 1 = On) */
354 MPP11_GPIO, /* SATA 0 red LED (0 = Off, 1 = On) */
355 MPP12_GPIO, /* Board ID (bit 1) */
356 MPP13_GPIO, /* SATA 1 blue LED blink control */
357 MPP14_SATA_LED,
358 MPP15_SATA_LED,
359 MPP16_GPIO, /* Blue front LED control */
360 MPP17_GPIO, /* SATA 0 blue LED blink control */
361 MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */
362 MPP19_GPIO, /* SATA{0,1} power On/Off request */
363 0,
Simon Guinot54782672009-06-23 13:54:35 +0200364 /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
365 /* 23: SATA 0 power status */
366 /* 24: Board power off */
367 /* 25: SATA 1 power status */
368};
369
370#define NET2BIG_GPIO_POWER_OFF 24
371
372static void net2big_power_off(void)
373{
374 gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
375}
376
377static void __init net2big_init(void)
378{
379 /*
380 * Setup basic Orion functions. Need to be called early.
381 */
382 orion5x_init();
383
384 orion5x_mpp_conf(net2big_mpp_modes);
385
386 /*
387 * Configure peripherals.
388 */
389 orion5x_ehci0_init();
390 orion5x_ehci1_init();
391 orion5x_eth_init(&net2big_eth_data);
392 orion5x_i2c_init();
393 orion5x_uart0_init();
394 orion5x_xor_init();
395
396 net2big_sata_power_init();
397 orion5x_sata_init(&net2big_sata_data);
398
399 orion5x_setup_dev_boot_win(NET2BIG_NOR_BOOT_BASE,
400 NET2BIG_NOR_BOOT_SIZE);
401 platform_device_register(&net2big_nor_flash);
402
403 platform_device_register(&net2big_gpio_buttons);
404 net2big_gpio_leds_init();
405
406 i2c_register_board_info(0, net2big_i2c_devices,
407 ARRAY_SIZE(net2big_i2c_devices));
408
409 orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
410
411 if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
412 gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
413 pm_power_off = net2big_power_off;
414 else
415 pr_err("net2big: failed to configure power-off GPIO\n");
416
417 pr_notice("net2big: Flash writing is not yet supported.\n");
418}
419
420/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
421MACHINE_START(NET2BIG, "LaCie 2Big Network")
Nicolas Pitre65aa1b12011-07-05 22:38:15 -0400422 .atag_offset = 0x100,
Simon Guinot54782672009-06-23 13:54:35 +0200423 .init_machine = net2big_init,
424 .map_io = orion5x_map_io,
Lennert Buytenhek4ee1f6b2010-10-15 16:50:26 +0200425 .init_early = orion5x_init_early,
Simon Guinot54782672009-06-23 13:54:35 +0200426 .init_irq = orion5x_init_irq,
427 .timer = &orion5x_timer,
428 .fixup = tag_fixup_mem32,
Russell King764cbcc22011-11-05 10:13:41 +0000429 .restart = orion5x_restart,
Simon Guinot54782672009-06-23 13:54:35 +0200430MACHINE_END
431