Loading...
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * arch/arm/mach-orion5x/net2big-setup.c
4 *
5 * LaCie 2Big Network NAS setup
6 *
7 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
8 */
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/platform_device.h>
13#include <linux/mtd/physmap.h>
14#include <linux/mv643xx_eth.h>
15#include <linux/leds.h>
16#include <linux/gpio_keys.h>
17#include <linux/input.h>
18#include <linux/i2c.h>
19#include <linux/ata_platform.h>
20#include <linux/gpio.h>
21#include <linux/gpio/machine.h>
22#include <linux/delay.h>
23#include <asm/mach-types.h>
24#include <asm/mach/arch.h>
25#include <plat/orion-gpio.h>
26#include "common.h"
27#include "mpp.h"
28#include "orion5x.h"
29
30/*****************************************************************************
31 * LaCie 2Big Network Info
32 ****************************************************************************/
33
34/*
35 * 512KB NOR flash Device bus boot chip select
36 */
37
38#define NET2BIG_NOR_BOOT_BASE 0xfff80000
39#define NET2BIG_NOR_BOOT_SIZE SZ_512K
40
41/*****************************************************************************
42 * 512KB NOR Flash on Boot Device
43 ****************************************************************************/
44
45/*
46 * TODO: Check write support on flash MX29LV400CBTC-70G
47 */
48
49static struct mtd_partition net2big_partitions[] = {
50 {
51 .name = "Full512kb",
52 .size = MTDPART_SIZ_FULL,
53 .offset = 0x00000000,
54 .mask_flags = MTD_WRITEABLE,
55 },
56};
57
58static struct physmap_flash_data net2big_nor_flash_data = {
59 .width = 1,
60 .parts = net2big_partitions,
61 .nr_parts = ARRAY_SIZE(net2big_partitions),
62};
63
64static struct resource net2big_nor_flash_resource = {
65 .flags = IORESOURCE_MEM,
66 .start = NET2BIG_NOR_BOOT_BASE,
67 .end = NET2BIG_NOR_BOOT_BASE
68 + NET2BIG_NOR_BOOT_SIZE - 1,
69};
70
71static struct platform_device net2big_nor_flash = {
72 .name = "physmap-flash",
73 .id = 0,
74 .dev = {
75 .platform_data = &net2big_nor_flash_data,
76 },
77 .num_resources = 1,
78 .resource = &net2big_nor_flash_resource,
79};
80
81/*****************************************************************************
82 * Ethernet
83 ****************************************************************************/
84
85static struct mv643xx_eth_platform_data net2big_eth_data = {
86 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
87};
88
89/*****************************************************************************
90 * I2C devices
91 ****************************************************************************/
92
93/*
94 * i2c addr | chip | description
95 * 0x32 | Ricoh 5C372b | RTC
96 * 0x50 | HT24LC08 | eeprom (1kB)
97 */
98static struct i2c_board_info __initdata net2big_i2c_devices[] = {
99 {
100 I2C_BOARD_INFO("rs5c372b", 0x32),
101 }, {
102 I2C_BOARD_INFO("24c08", 0x50),
103 },
104};
105
106/*****************************************************************************
107 * SATA
108 ****************************************************************************/
109
110static struct mv_sata_platform_data net2big_sata_data = {
111 .n_ports = 2,
112};
113
114#define NET2BIG_GPIO_SATA_POWER_REQ 19
115#define NET2BIG_GPIO_SATA0_POWER 23
116#define NET2BIG_GPIO_SATA1_POWER 25
117
118static void __init net2big_sata_power_init(void)
119{
120 int err;
121
122 /* Configure GPIOs over MPP max number. */
123 orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
124 orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
125
126 err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
127 if (err == 0) {
128 err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
129 if (err)
130 gpio_free(NET2BIG_GPIO_SATA0_POWER);
131 }
132 if (err) {
133 pr_err("net2big: failed to setup SATA0 power GPIO\n");
134 return;
135 }
136
137 err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
138 if (err == 0) {
139 err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
140 if (err)
141 gpio_free(NET2BIG_GPIO_SATA1_POWER);
142 }
143 if (err) {
144 pr_err("net2big: failed to setup SATA1 power GPIO\n");
145 goto err_free_1;
146 }
147
148 err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
149 if (err == 0) {
150 err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
151 if (err)
152 gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
153 }
154 if (err) {
155 pr_err("net2big: failed to setup SATA power request GPIO\n");
156 goto err_free_2;
157 }
158
159 if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
160 gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
161 return;
162 }
163
164 /*
165 * SATA power up on both disk is done by pulling high the CPLD power
166 * request line. The 300ms delay is related to the CPLD clock and is
167 * needed to be sure that the CPLD has take into account the low line
168 * status.
169 */
170 msleep(300);
171 gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
172 pr_info("net2big: power up SATA hard disks\n");
173
174 return;
175
176err_free_2:
177 gpio_free(NET2BIG_GPIO_SATA1_POWER);
178err_free_1:
179 gpio_free(NET2BIG_GPIO_SATA0_POWER);
180
181 return;
182}
183
184/*****************************************************************************
185 * GPIO LEDs
186 ****************************************************************************/
187
188/*
189 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
190 * single GPIO line and are compatible with the leds-gpio driver.
191 *
192 * The SATA blue LEDs have some hardware blink capabilities which are detailed
193 * in the following array:
194 *
195 * SATAx blue LED | SATAx activity | LED state
196 * | |
197 * 0 | 0 | blink (rate 300ms)
198 * 1 | 0 | off
199 * ? | 1 | on
200 *
201 * Notes: The blue and the red front LED's can't be on at the same time.
202 * Blue LED have priority.
203 */
204
205#define NET2BIG_GPIO_PWR_RED_LED 6
206#define NET2BIG_GPIO_PWR_BLUE_LED 16
207#define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
208
209#define NET2BIG_GPIO_SATA0_RED_LED 11
210#define NET2BIG_GPIO_SATA1_RED_LED 10
211
212#define NET2BIG_GPIO_SATA0_BLUE_LED 17
213#define NET2BIG_GPIO_SATA1_BLUE_LED 13
214
215static struct gpio_led net2big_leds[] = {
216 {
217 .name = "net2big:red:power",
218 },
219 {
220 .name = "net2big:blue:power",
221 },
222 {
223 .name = "net2big:red:sata0",
224 },
225 {
226 .name = "net2big:red:sata1",
227 },
228};
229
230static struct gpiod_lookup_table net2big_leds_gpio_table = {
231 .dev_id = "leds-gpio",
232 .table = {
233 GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_PWR_RED_LED, NULL,
234 0, GPIO_ACTIVE_HIGH),
235 GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_PWR_BLUE_LED, NULL,
236 1, GPIO_ACTIVE_HIGH),
237 GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_SATA0_RED_LED, NULL,
238 2, GPIO_ACTIVE_HIGH),
239 GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_SATA1_RED_LED, NULL,
240 3, GPIO_ACTIVE_HIGH),
241 { },
242 },
243};
244
245static struct gpio_led_platform_data net2big_led_data = {
246 .num_leds = ARRAY_SIZE(net2big_leds),
247 .leds = net2big_leds,
248};
249
250static struct platform_device net2big_gpio_leds = {
251 .name = "leds-gpio",
252 .id = -1,
253 .dev = {
254 .platform_data = &net2big_led_data,
255 },
256};
257
258static void __init net2big_gpio_leds_init(void)
259{
260 int err;
261
262 /* Stop initial CPLD slow red/blue blinking on power LED. */
263 err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
264 "Power LED blink stop");
265 if (err == 0) {
266 err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
267 if (err)
268 gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
269 }
270 if (err)
271 pr_err("net2big: failed to setup power LED blink GPIO\n");
272
273 /*
274 * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
275 * hard disk activity.
276 */
277 err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
278 "SATA0 blue LED control");
279 if (err == 0) {
280 err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
281 if (err)
282 gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
283 }
284 if (err)
285 pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
286
287 err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
288 "SATA1 blue LED control");
289 if (err == 0) {
290 err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
291 if (err)
292 gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
293 }
294 if (err)
295 pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
296
297 gpiod_add_lookup_table(&net2big_leds_gpio_table);
298 platform_device_register(&net2big_gpio_leds);
299}
300
301/****************************************************************************
302 * GPIO keys
303 ****************************************************************************/
304
305#define NET2BIG_GPIO_PUSH_BUTTON 18
306#define NET2BIG_GPIO_POWER_SWITCH_ON 8
307#define NET2BIG_GPIO_POWER_SWITCH_OFF 9
308
309#define NET2BIG_SWITCH_POWER_ON 0x1
310#define NET2BIG_SWITCH_POWER_OFF 0x2
311
312static struct gpio_keys_button net2big_buttons[] = {
313 {
314 .type = EV_SW,
315 .code = NET2BIG_SWITCH_POWER_OFF,
316 .gpio = NET2BIG_GPIO_POWER_SWITCH_OFF,
317 .desc = "Power rocker switch (auto|off)",
318 .active_low = 0,
319 },
320 {
321 .type = EV_SW,
322 .code = NET2BIG_SWITCH_POWER_ON,
323 .gpio = NET2BIG_GPIO_POWER_SWITCH_ON,
324 .desc = "Power rocker switch (on|auto)",
325 .active_low = 0,
326 },
327 {
328 .type = EV_KEY,
329 .code = KEY_POWER,
330 .gpio = NET2BIG_GPIO_PUSH_BUTTON,
331 .desc = "Front Push Button",
332 .active_low = 0,
333 },
334};
335
336static struct gpio_keys_platform_data net2big_button_data = {
337 .buttons = net2big_buttons,
338 .nbuttons = ARRAY_SIZE(net2big_buttons),
339};
340
341static struct platform_device net2big_gpio_buttons = {
342 .name = "gpio-keys",
343 .id = -1,
344 .dev = {
345 .platform_data = &net2big_button_data,
346 },
347};
348
349/*****************************************************************************
350 * General Setup
351 ****************************************************************************/
352
353static unsigned int net2big_mpp_modes[] __initdata = {
354 MPP0_GPIO, /* Raid mode (bit 0) */
355 MPP1_GPIO, /* USB port 2 fuse (0 = Fail, 1 = Ok) */
356 MPP2_GPIO, /* Raid mode (bit 1) */
357 MPP3_GPIO, /* Board ID (bit 0) */
358 MPP4_GPIO, /* Fan activity (0 = Off, 1 = On) */
359 MPP5_GPIO, /* Fan fail detection */
360 MPP6_GPIO, /* Red front LED (0 = Off, 1 = On) */
361 MPP7_GPIO, /* Disable initial blinking on front LED */
362 MPP8_GPIO, /* Rear power switch (on|auto) */
363 MPP9_GPIO, /* Rear power switch (auto|off) */
364 MPP10_GPIO, /* SATA 1 red LED (0 = Off, 1 = On) */
365 MPP11_GPIO, /* SATA 0 red LED (0 = Off, 1 = On) */
366 MPP12_GPIO, /* Board ID (bit 1) */
367 MPP13_GPIO, /* SATA 1 blue LED blink control */
368 MPP14_SATA_LED,
369 MPP15_SATA_LED,
370 MPP16_GPIO, /* Blue front LED control */
371 MPP17_GPIO, /* SATA 0 blue LED blink control */
372 MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */
373 MPP19_GPIO, /* SATA{0,1} power On/Off request */
374 0,
375 /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
376 /* 23: SATA 0 power status */
377 /* 24: Board power off */
378 /* 25: SATA 1 power status */
379};
380
381#define NET2BIG_GPIO_POWER_OFF 24
382
383static void net2big_power_off(void)
384{
385 gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
386}
387
388static void __init net2big_init(void)
389{
390 /*
391 * Setup basic Orion functions. Need to be called early.
392 */
393 orion5x_init();
394
395 orion5x_mpp_conf(net2big_mpp_modes);
396
397 /*
398 * Configure peripherals.
399 */
400 orion5x_ehci0_init();
401 orion5x_ehci1_init();
402 orion5x_eth_init(&net2big_eth_data);
403 orion5x_i2c_init();
404 orion5x_uart0_init();
405 orion5x_xor_init();
406
407 net2big_sata_power_init();
408 orion5x_sata_init(&net2big_sata_data);
409
410 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
411 ORION_MBUS_DEVBUS_BOOT_ATTR,
412 NET2BIG_NOR_BOOT_BASE,
413 NET2BIG_NOR_BOOT_SIZE);
414 platform_device_register(&net2big_nor_flash);
415
416 platform_device_register(&net2big_gpio_buttons);
417 net2big_gpio_leds_init();
418
419 i2c_register_board_info(0, net2big_i2c_devices,
420 ARRAY_SIZE(net2big_i2c_devices));
421
422 orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
423
424 if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
425 gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
426 register_platform_power_off(net2big_power_off);
427 else
428 pr_err("net2big: failed to configure power-off GPIO\n");
429
430 pr_notice("net2big: Flash writing is not yet supported.\n");
431}
432
433/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
434MACHINE_START(NET2BIG, "LaCie 2Big Network")
435 .atag_offset = 0x100,
436 .nr_irqs = ORION5X_NR_IRQS,
437 .init_machine = net2big_init,
438 .map_io = orion5x_map_io,
439 .init_early = orion5x_init_early,
440 .init_irq = orion5x_init_irq,
441 .init_time = orion5x_timer_init,
442 .fixup = tag_fixup_mem32,
443 .restart = orion5x_restart,
444MACHINE_END
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
51static 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
60static struct physmap_flash_data net2big_nor_flash_data = {
61 .width = 1,
62 .parts = net2big_partitions,
63 .nr_parts = ARRAY_SIZE(net2big_partitions),
64};
65
66static 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
73static 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
87static 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 */
100static 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
112static 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
120static 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
178err_free_2:
179 gpio_free(NET2BIG_GPIO_SATA1_POWER);
180err_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
217static 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
236static struct gpio_led_platform_data net2big_led_data = {
237 .num_leds = ARRAY_SIZE(net2big_leds),
238 .leds = net2big_leds,
239};
240
241static struct platform_device net2big_gpio_leds = {
242 .name = "leds-gpio",
243 .id = -1,
244 .dev = {
245 .platform_data = &net2big_led_data,
246 },
247};
248
249static 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
302static 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
326static struct gpio_keys_platform_data net2big_button_data = {
327 .buttons = net2big_buttons,
328 .nbuttons = ARRAY_SIZE(net2big_buttons),
329};
330
331static 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
343static 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
373static void net2big_power_off(void)
374{
375 gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
376}
377
378static 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. */
424MACHINE_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,
434MACHINE_END
435