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
49 static 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
58 static struct physmap_flash_data net2big_nor_flash_data = {
59 .width = 1,
60 .parts = net2big_partitions,
61 .nr_parts = ARRAY_SIZE(net2big_partitions),
62 };
63
64 static 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
71 static 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
85 static 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 */
98 static 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
110 static 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
118 static 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
176 err_free_2:
177 gpio_free(NET2BIG_GPIO_SATA1_POWER);
178 err_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
215 static 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
230 static 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
245 static struct gpio_led_platform_data net2big_led_data = {
246 .num_leds = ARRAY_SIZE(net2big_leds),
247 .leds = net2big_leds,
248 };
249
250 static struct platform_device net2big_gpio_leds = {
251 .name = "leds-gpio",
252 .id = -1,
253 .dev = {
254 .platform_data = &net2big_led_data,
255 },
256 };
257
258 static 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
312 static 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
336 static struct gpio_keys_platform_data net2big_button_data = {
337 .buttons = net2big_buttons,
338 .nbuttons = ARRAY_SIZE(net2big_buttons),
339 };
340
341 static 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
353 static 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
383 static void net2big_power_off(void)
384 {
385 gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
386 }
387
388 static 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 pm_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. */
434 MACHINE_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,
444 MACHINE_END
445
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