1 /*
2 * arch/arm/mach-orion5x/dns323-setup.c
3 *
4 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
5 *
6 * Support for HW Rev C1:
7 *
8 * Copyright (C) 2010 Benjamin Herrenschmidt <benh@kernel.crashing.org>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU Lesser General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or (at your option) any later version.
14 *
15 */
16 #include <linux/gpio.h>
17 #include <linux/gpio/machine.h>
18 #include <linux/kernel.h>
19 #include <linux/init.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
22 #include <linux/pci.h>
23 #include <linux/irq.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/mv643xx_eth.h>
26 #include <linux/leds.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/input.h>
29 #include <linux/i2c.h>
30 #include <linux/ata_platform.h>
31 #include <linux/phy.h>
32 #include <linux/marvell_phy.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/pci.h>
36 #include <asm/system_info.h>
37 #include <plat/orion-gpio.h>
38 #include "orion5x.h"
39 #include "common.h"
40 #include "mpp.h"
41
42 /* Rev A1 and B1 */
43 #define DNS323_GPIO_LED_RIGHT_AMBER 1
44 #define DNS323_GPIO_LED_LEFT_AMBER 2
45 #define DNS323_GPIO_SYSTEM_UP 3
46 #define DNS323_GPIO_LED_POWER1 4
47 #define DNS323_GPIO_LED_POWER2 5
48 #define DNS323_GPIO_OVERTEMP 6
49 #define DNS323_GPIO_RTC 7
50 #define DNS323_GPIO_POWER_OFF 8
51 #define DNS323_GPIO_KEY_POWER 9
52 #define DNS323_GPIO_KEY_RESET 10
53
54 /* Rev C1 */
55 #define DNS323C_GPIO_KEY_POWER 1
56 #define DNS323C_GPIO_POWER_OFF 2
57 #define DNS323C_GPIO_LED_RIGHT_AMBER 8
58 #define DNS323C_GPIO_LED_LEFT_AMBER 9
59 #define DNS323C_GPIO_LED_POWER 17
60 #define DNS323C_GPIO_FAN_BIT1 18
61 #define DNS323C_GPIO_FAN_BIT0 19
62
63 /* Exposed to userspace, do not change */
64 enum {
65 DNS323_REV_A1, /* 0 */
66 DNS323_REV_B1, /* 1 */
67 DNS323_REV_C1, /* 2 */
68 };
69
70
71 /****************************************************************************
72 * PCI setup
73 */
74
75 static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
76 {
77 int irq;
78
79 /*
80 * Check for devices with hard-wired IRQs.
81 */
82 irq = orion5x_pci_map_irq(dev, slot, pin);
83 if (irq != -1)
84 return irq;
85
86 return -1;
87 }
88
89 static struct hw_pci dns323_pci __initdata = {
90 .nr_controllers = 2,
91 .setup = orion5x_pci_sys_setup,
92 .scan = orion5x_pci_sys_scan_bus,
93 .map_irq = dns323_pci_map_irq,
94 };
95
96 static int __init dns323_pci_init(void)
97 {
98 /* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI
99 * gets in the way of initialising the SATA controller.
100 */
101 if (machine_is_dns323() && system_rev == DNS323_REV_A1)
102 pci_common_init(&dns323_pci);
103
104 return 0;
105 }
106
107 subsys_initcall(dns323_pci_init);
108
109 /****************************************************************************
110 * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
111 *
112 * Layout as used by D-Link:
113 * 0x00000000-0x00010000 : "MTD1"
114 * 0x00010000-0x00020000 : "MTD2"
115 * 0x00020000-0x001a0000 : "Linux Kernel"
116 * 0x001a0000-0x007d0000 : "File System"
117 * 0x007d0000-0x00800000 : "u-boot"
118 */
119
120 #define DNS323_NOR_BOOT_BASE 0xf4000000
121 #define DNS323_NOR_BOOT_SIZE SZ_8M
122
123 static struct mtd_partition dns323_partitions[] = {
124 {
125 .name = "MTD1",
126 .size = 0x00010000,
127 .offset = 0,
128 }, {
129 .name = "MTD2",
130 .size = 0x00010000,
131 .offset = 0x00010000,
132 }, {
133 .name = "Linux Kernel",
134 .size = 0x00180000,
135 .offset = 0x00020000,
136 }, {
137 .name = "File System",
138 .size = 0x00630000,
139 .offset = 0x001A0000,
140 }, {
141 .name = "u-boot",
142 .size = 0x00030000,
143 .offset = 0x007d0000,
144 },
145 };
146
147 static struct physmap_flash_data dns323_nor_flash_data = {
148 .width = 1,
149 .parts = dns323_partitions,
150 .nr_parts = ARRAY_SIZE(dns323_partitions)
151 };
152
153 static struct resource dns323_nor_flash_resource = {
154 .flags = IORESOURCE_MEM,
155 .start = DNS323_NOR_BOOT_BASE,
156 .end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
157 };
158
159 static struct platform_device dns323_nor_flash = {
160 .name = "physmap-flash",
161 .id = 0,
162 .dev = {
163 .platform_data = &dns323_nor_flash_data,
164 },
165 .resource = &dns323_nor_flash_resource,
166 .num_resources = 1,
167 };
168
169 /****************************************************************************
170 * Ethernet
171 */
172
173 static struct mv643xx_eth_platform_data dns323_eth_data = {
174 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
175 };
176
177 /* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
178 * functions be kept somewhere?
179 */
180 static int __init dns323_parse_hex_nibble(char n)
181 {
182 if (n >= '' && n <= '9')
183 return n - '';
184
185 if (n >= 'A' && n <= 'F')
186 return n - 'A' + 10;
187
188 if (n >= 'a' && n <= 'f')
189 return n - 'a' + 10;
190
191 return -1;
192 }
193
194 static int __init dns323_parse_hex_byte(const char *b)
195 {
196 int hi;
197 int lo;
198
199 hi = dns323_parse_hex_nibble(b[0]);
200 lo = dns323_parse_hex_nibble(b[1]);
201
202 if (hi < 0 || lo < 0)
203 return -1;
204
205 return (hi << 4) | lo;
206 }
207
208 static int __init dns323_read_mac_addr(void)
209 {
210 u_int8_t addr[6];
211 int i;
212 char *mac_page;
213
214 /* MAC address is stored as a regular ol' string in /dev/mtdblock4
215 * (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
216 */
217 mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024);
218 if (!mac_page)
219 return -ENOMEM;
220
221 /* Sanity check the string we're looking at */
222 for (i = 0; i < 5; i++) {
223 if (*(mac_page + (i * 3) + 2) != ':') {
224 goto error_fail;
225 }
226 }
227
228 for (i = 0; i < 6; i++) {
229 int byte;
230
231 byte = dns323_parse_hex_byte(mac_page + (i * 3));
232 if (byte < 0) {
233 goto error_fail;
234 }
235
236 addr[i] = byte;
237 }
238
239 iounmap(mac_page);
240 printk("DNS-323: Found ethernet MAC address: %pM\n", addr);
241
242 memcpy(dns323_eth_data.mac_addr, addr, 6);
243
244 return 0;
245
246 error_fail:
247 iounmap(mac_page);
248 return -EINVAL;
249 }
250
251 /****************************************************************************
252 * GPIO LEDs (simple - doesn't use hardware blinking support)
253 */
254
255 static struct gpio_led dns323ab_leds[] = {
256 {
257 .name = "power:blue",
258 .default_trigger = "default-on",
259 }, {
260 .name = "right:amber",
261 }, {
262 .name = "left:amber",
263 },
264 };
265
266 static struct gpiod_lookup_table dns323a1_leds_gpio_table = {
267 .dev_id = "leds-gpio",
268 .table = {
269 GPIO_LOOKUP_IDX("orion_gpio0", DNS323_GPIO_LED_POWER2, NULL,
270 0, GPIO_ACTIVE_LOW),
271 GPIO_LOOKUP_IDX("orion_gpio0", DNS323_GPIO_LED_RIGHT_AMBER, NULL,
272 1, GPIO_ACTIVE_LOW),
273 GPIO_LOOKUP_IDX("orion_gpio0", DNS323_GPIO_LED_LEFT_AMBER, NULL,
274 2, GPIO_ACTIVE_LOW),
275 { },
276 },
277 };
278
279 /* B1 is the same but power LED is active high */
280 static struct gpiod_lookup_table dns323b1_leds_gpio_table = {
281 .dev_id = "leds-gpio",
282 .table = {
283 GPIO_LOOKUP_IDX("orion_gpio0", DNS323_GPIO_LED_POWER2, NULL,
284 0, GPIO_ACTIVE_HIGH),
285 GPIO_LOOKUP_IDX("orion_gpio0", DNS323_GPIO_LED_RIGHT_AMBER, NULL,
286 1, GPIO_ACTIVE_LOW),
287 GPIO_LOOKUP_IDX("orion_gpio0", DNS323_GPIO_LED_LEFT_AMBER, NULL,
288 2, GPIO_ACTIVE_LOW),
289 { },
290 },
291 };
292
293 static struct gpio_led dns323c_leds[] = {
294 {
295 .name = "power:blue",
296 .default_trigger = "timer",
297 }, {
298 .name = "right:amber",
299 }, {
300 .name = "left:amber",
301 },
302 };
303
304 static struct gpiod_lookup_table dns323c_leds_gpio_table = {
305 .dev_id = "leds-gpio",
306 .table = {
307 GPIO_LOOKUP_IDX("orion_gpio0", DNS323C_GPIO_LED_POWER, NULL,
308 0, GPIO_ACTIVE_LOW),
309 GPIO_LOOKUP_IDX("orion_gpio0", DNS323C_GPIO_LED_RIGHT_AMBER, NULL,
310 1, GPIO_ACTIVE_LOW),
311 GPIO_LOOKUP_IDX("orion_gpio0", DNS323C_GPIO_LED_LEFT_AMBER, NULL,
312 2, GPIO_ACTIVE_LOW),
313 { },
314 },
315 };
316
317 static struct gpio_led_platform_data dns323ab_led_data = {
318 .num_leds = ARRAY_SIZE(dns323ab_leds),
319 .leds = dns323ab_leds,
320 .gpio_blink_set = orion_gpio_led_blink_set,
321 };
322
323 static struct gpio_led_platform_data dns323c_led_data = {
324 .num_leds = ARRAY_SIZE(dns323c_leds),
325 .leds = dns323c_leds,
326 .gpio_blink_set = orion_gpio_led_blink_set,
327 };
328
329 static struct platform_device dns323_gpio_leds = {
330 .name = "leds-gpio",
331 .id = -1,
332 .dev = {
333 .platform_data = &dns323ab_led_data,
334 },
335 };
336
337 /****************************************************************************
338 * GPIO Attached Keys
339 */
340
341 static struct gpio_keys_button dns323ab_buttons[] = {
342 {
343 .code = KEY_RESTART,
344 .gpio = DNS323_GPIO_KEY_RESET,
345 .desc = "Reset Button",
346 .active_low = 1,
347 }, {
348 .code = KEY_POWER,
349 .gpio = DNS323_GPIO_KEY_POWER,
350 .desc = "Power Button",
351 .active_low = 1,
352 },
353 };
354
355 static struct gpio_keys_platform_data dns323ab_button_data = {
356 .buttons = dns323ab_buttons,
357 .nbuttons = ARRAY_SIZE(dns323ab_buttons),
358 };
359
360 static struct gpio_keys_button dns323c_buttons[] = {
361 {
362 .code = KEY_POWER,
363 .gpio = DNS323C_GPIO_KEY_POWER,
364 .desc = "Power Button",
365 .active_low = 1,
366 },
367 };
368
369 static struct gpio_keys_platform_data dns323c_button_data = {
370 .buttons = dns323c_buttons,
371 .nbuttons = ARRAY_SIZE(dns323c_buttons),
372 };
373
374 static struct platform_device dns323_button_device = {
375 .name = "gpio-keys",
376 .id = -1,
377 .num_resources = 0,
378 .dev = {
379 .platform_data = &dns323ab_button_data,
380 },
381 };
382
383 /*****************************************************************************
384 * SATA
385 */
386 static struct mv_sata_platform_data dns323_sata_data = {
387 .n_ports = 2,
388 };
389
390 /****************************************************************************
391 * General Setup
392 */
393 static unsigned int dns323a_mpp_modes[] __initdata = {
394 MPP0_PCIE_RST_OUTn,
395 MPP1_GPIO, /* right amber LED (sata ch0) */
396 MPP2_GPIO, /* left amber LED (sata ch1) */
397 MPP3_UNUSED,
398 MPP4_GPIO, /* power button LED */
399 MPP5_GPIO, /* power button LED */
400 MPP6_GPIO, /* GMT G751-2f overtemp */
401 MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
402 MPP8_GPIO, /* triggers power off */
403 MPP9_GPIO, /* power button switch */
404 MPP10_GPIO, /* reset button switch */
405 MPP11_UNUSED,
406 MPP12_UNUSED,
407 MPP13_UNUSED,
408 MPP14_UNUSED,
409 MPP15_UNUSED,
410 MPP16_UNUSED,
411 MPP17_UNUSED,
412 MPP18_UNUSED,
413 MPP19_UNUSED,
414 0,
415 };
416
417 static unsigned int dns323b_mpp_modes[] __initdata = {
418 MPP0_UNUSED,
419 MPP1_GPIO, /* right amber LED (sata ch0) */
420 MPP2_GPIO, /* left amber LED (sata ch1) */
421 MPP3_GPIO, /* system up flag */
422 MPP4_GPIO, /* power button LED */
423 MPP5_GPIO, /* power button LED */
424 MPP6_GPIO, /* GMT G751-2f overtemp */
425 MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
426 MPP8_GPIO, /* triggers power off */
427 MPP9_GPIO, /* power button switch */
428 MPP10_GPIO, /* reset button switch */
429 MPP11_UNUSED,
430 MPP12_SATA_LED,
431 MPP13_SATA_LED,
432 MPP14_SATA_LED,
433 MPP15_SATA_LED,
434 MPP16_UNUSED,
435 MPP17_UNUSED,
436 MPP18_UNUSED,
437 MPP19_UNUSED,
438 0,
439 };
440
441 static unsigned int dns323c_mpp_modes[] __initdata = {
442 MPP0_GPIO, /* ? input */
443 MPP1_GPIO, /* input power switch (0 = pressed) */
444 MPP2_GPIO, /* output power off */
445 MPP3_UNUSED, /* ? output */
446 MPP4_UNUSED, /* ? output */
447 MPP5_UNUSED, /* ? output */
448 MPP6_UNUSED, /* ? output */
449 MPP7_UNUSED, /* ? output */
450 MPP8_GPIO, /* i/o right amber LED */
451 MPP9_GPIO, /* i/o left amber LED */
452 MPP10_GPIO, /* input */
453 MPP11_UNUSED,
454 MPP12_SATA_LED,
455 MPP13_SATA_LED,
456 MPP14_SATA_LED,
457 MPP15_SATA_LED,
458 MPP16_UNUSED,
459 MPP17_GPIO, /* power button LED */
460 MPP18_GPIO, /* fan speed bit 0 */
461 MPP19_GPIO, /* fan speed bit 1 */
462 0,
463 };
464
465 /* Rev C1 Fan speed notes:
466 *
467 * The fan is controlled by 2 GPIOs on this board. The settings
468 * of the bits is as follow:
469 *
470 * GPIO 18 GPIO 19 Fan
471 *
472 * 0 0 stopped
473 * 0 1 low speed
474 * 1 0 high speed
475 * 1 1 don't do that (*)
476 *
477 * (*) I think the two bits control two feed-in resistors into a fixed
478 * PWN circuit, setting both bits will basically go a 'bit' faster
479 * than high speed, but d-link doesn't do it and you may get out of
480 * HW spec so don't do it.
481 */
482
483 /*
484 * On the DNS-323 A1 and B1 the following devices are attached via I2C:
485 *
486 * i2c addr | chip | description
487 * 0x3e | GMT G760Af | fan speed PWM controller
488 * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
489 * 0x68 | ST M41T80 | RTC w/ alarm
490 */
491 static struct i2c_board_info __initdata dns323ab_i2c_devices[] = {
492 {
493 I2C_BOARD_INFO("g760a", 0x3e),
494 }, {
495 I2C_BOARD_INFO("lm75", 0x48),
496 }, {
497 I2C_BOARD_INFO("m41t80", 0x68),
498 },
499 };
500
501 /*
502 * On the DNS-323 C1 the following devices are attached via I2C:
503 *
504 * i2c addr | chip | description
505 * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
506 * 0x68 | ST M41T80 | RTC w/ alarm
507 */
508 static struct i2c_board_info __initdata dns323c_i2c_devices[] = {
509 {
510 I2C_BOARD_INFO("lm75", 0x48),
511 }, {
512 I2C_BOARD_INFO("m41t80", 0x68),
513 },
514 };
515
516 /* DNS-323 rev. A specific power off method */
517 static void dns323a_power_off(void)
518 {
519 pr_info("DNS-323: Triggering power-off...\n");
520 gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
521 }
522
523 /* DNS-323 rev B specific power off method */
524 static void dns323b_power_off(void)
525 {
526 pr_info("DNS-323: Triggering power-off...\n");
527 /* Pin has to be changed to 1 and back to 0 to do actual power off. */
528 gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
529 mdelay(100);
530 gpio_set_value(DNS323_GPIO_POWER_OFF, 0);
531 }
532
533 /* DNS-323 rev. C specific power off method */
534 static void dns323c_power_off(void)
535 {
536 pr_info("DNS-323: Triggering power-off...\n");
537 gpio_set_value(DNS323C_GPIO_POWER_OFF, 1);
538 }
539
540 static int dns323c_phy_fixup(struct phy_device *phy)
541 {
542 phy->dev_flags |= MARVELL_PHY_M1118_DNS323_LEDS;
543
544 return 0;
545 }
546
547 static int __init dns323_identify_rev(void)
548 {
549 u32 dev, rev, i, reg;
550
551 pr_debug("DNS-323: Identifying board ... \n");
552
553 /* Rev A1 has a 5181 */
554 orion5x_pcie_id(&dev, &rev);
555 if (dev == MV88F5181_DEV_ID) {
556 pr_debug("DNS-323: 5181 found, board is A1\n");
557 return DNS323_REV_A1;
558 }
559 pr_debug("DNS-323: 5182 found, board is B1 or C1, checking PHY...\n");
560
561 /* Rev B1 and C1 both have 5182, let's poke at the eth PHY. This is
562 * a bit gross but we want to do that without links into the eth
563 * driver so let's poke at it directly. We default to rev B1 in
564 * case the accesses fail
565 */
566
567 #define ETH_SMI_REG (ORION5X_ETH_VIRT_BASE + 0x2000 + 0x004)
568 #define SMI_BUSY 0x10000000
569 #define SMI_READ_VALID 0x08000000
570 #define SMI_OPCODE_READ 0x04000000
571 #define SMI_OPCODE_WRITE 0x00000000
572
573 for (i = 0; i < 1000; i++) {
574 reg = readl(ETH_SMI_REG);
575 if (!(reg & SMI_BUSY))
576 break;
577 }
578 if (i >= 1000) {
579 pr_warn("DNS-323: Timeout accessing PHY, assuming rev B1\n");
580 return DNS323_REV_B1;
581 }
582 writel((3 << 21) /* phy ID reg */ |
583 (8 << 16) /* phy addr */ |
584 SMI_OPCODE_READ, ETH_SMI_REG);
585 for (i = 0; i < 1000; i++) {
586 reg = readl(ETH_SMI_REG);
587 if (reg & SMI_READ_VALID)
588 break;
589 }
590 if (i >= 1000) {
591 pr_warn("DNS-323: Timeout reading PHY, assuming rev B1\n");
592 return DNS323_REV_B1;
593 }
594 pr_debug("DNS-323: Ethernet PHY ID 0x%x\n", reg & 0xffff);
595
596 /* Note: the Marvell tools mask the ID with 0x3f0 before comparison
597 * but I don't see that making a difference here, at least with
598 * any known Marvell PHY ID
599 */
600 switch(reg & 0xfff0) {
601 case 0x0cc0: /* MV88E1111 */
602 return DNS323_REV_B1;
603 case 0x0e10: /* MV88E1118 */
604 return DNS323_REV_C1;
605 default:
606 pr_warn("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n",
607 reg & 0xffff);
608 }
609 return DNS323_REV_B1;
610 }
611
612 static void __init dns323_init(void)
613 {
614 /* Setup basic Orion functions. Need to be called early. */
615 orion5x_init();
616
617 /* Identify revision */
618 system_rev = dns323_identify_rev();
619 pr_info("DNS-323: Identified HW revision %c1\n", 'A' + system_rev);
620
621 /* Just to be tricky, the 5182 has a completely different
622 * set of MPP modes to the 5181.
623 */
624 switch(system_rev) {
625 case DNS323_REV_A1:
626 orion5x_mpp_conf(dns323a_mpp_modes);
627 writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
628 break;
629 case DNS323_REV_B1:
630 orion5x_mpp_conf(dns323b_mpp_modes);
631 break;
632 case DNS323_REV_C1:
633 orion5x_mpp_conf(dns323c_mpp_modes);
634 break;
635 }
636
637 /* setup flash mapping
638 * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
639 */
640 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
641 ORION_MBUS_DEVBUS_BOOT_ATTR,
642 DNS323_NOR_BOOT_BASE,
643 DNS323_NOR_BOOT_SIZE);
644 platform_device_register(&dns323_nor_flash);
645
646 /* Sort out LEDs, Buttons and i2c devices */
647 switch(system_rev) {
648 case DNS323_REV_A1:
649 /* The 5181 power LED is active low and requires
650 * DNS323_GPIO_LED_POWER1 to also be low.
651 */
652 gpiod_add_lookup_table(&dns323a1_leds_gpio_table);
653 gpio_request(DNS323_GPIO_LED_POWER1, "Power Led Enable");
654 gpio_direction_output(DNS323_GPIO_LED_POWER1, 0);
655 i2c_register_board_info(0, dns323ab_i2c_devices,
656 ARRAY_SIZE(dns323ab_i2c_devices));
657
658 break;
659 case DNS323_REV_B1:
660 gpiod_add_lookup_table(&dns323b1_leds_gpio_table);
661 i2c_register_board_info(0, dns323ab_i2c_devices,
662 ARRAY_SIZE(dns323ab_i2c_devices));
663 break;
664 case DNS323_REV_C1:
665 /* Hookup LEDs & Buttons */
666 gpiod_add_lookup_table(&dns323c_leds_gpio_table);
667 dns323_gpio_leds.dev.platform_data = &dns323c_led_data;
668 dns323_button_device.dev.platform_data = &dns323c_button_data;
669
670 /* Hookup i2c devices and fan driver */
671 i2c_register_board_info(0, dns323c_i2c_devices,
672 ARRAY_SIZE(dns323c_i2c_devices));
673 platform_device_register_simple("dns323c-fan", 0, NULL, 0);
674
675 /* Register fixup for the PHY LEDs */
676 if (!IS_BUILTIN(CONFIG_PHYLIB))
677 break;
678 phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118,
679 MARVELL_PHY_ID_MASK,
680 dns323c_phy_fixup);
681 }
682
683 platform_device_register(&dns323_gpio_leds);
684 platform_device_register(&dns323_button_device);
685
686 /*
687 * Configure peripherals.
688 */
689 if (dns323_read_mac_addr() < 0)
690 printk("DNS-323: Failed to read MAC address\n");
691 orion5x_ehci0_init();
692 orion5x_eth_init(&dns323_eth_data);
693 orion5x_i2c_init();
694 orion5x_uart0_init();
695
696 /* Remaining GPIOs */
697 switch(system_rev) {
698 case DNS323_REV_A1:
699 /* Poweroff GPIO */
700 if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
701 gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
702 pr_err("DNS-323: failed to setup power-off GPIO\n");
703 pm_power_off = dns323a_power_off;
704 break;
705 case DNS323_REV_B1:
706 /* 5182 built-in SATA init */
707 orion5x_sata_init(&dns323_sata_data);
708
709 /* The DNS323 rev B1 has flag to indicate the system is up.
710 * Without this flag set, power LED will flash and cannot be
711 * controlled via leds-gpio.
712 */
713 if (gpio_request(DNS323_GPIO_SYSTEM_UP, "SYS_READY") == 0)
714 gpio_direction_output(DNS323_GPIO_SYSTEM_UP, 1);
715
716 /* Poweroff GPIO */
717 if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
718 gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
719 pr_err("DNS-323: failed to setup power-off GPIO\n");
720 pm_power_off = dns323b_power_off;
721 break;
722 case DNS323_REV_C1:
723 /* 5182 built-in SATA init */
724 orion5x_sata_init(&dns323_sata_data);
725
726 /* Poweroff GPIO */
727 if (gpio_request(DNS323C_GPIO_POWER_OFF, "POWEROFF") != 0 ||
728 gpio_direction_output(DNS323C_GPIO_POWER_OFF, 0) != 0)
729 pr_err("DNS-323: failed to setup power-off GPIO\n");
730 pm_power_off = dns323c_power_off;
731
732 /* Now, -this- should theoretically be done by the sata_mv driver
733 * once I figure out what's going on there. Maybe the behaviour
734 * of the LEDs should be somewhat passed via the platform_data.
735 * for now, just whack the register and make the LEDs happy
736 *
737 * Note: AFAIK, rev B1 needs the same treatment but I'll let
738 * somebody else test it.
739 */
740 writel(0x5, ORION5X_SATA_VIRT_BASE + 0x2c);
741 break;
742 }
743 }
744
745 /* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
746 MACHINE_START(DNS323, "D-Link DNS-323")
747 /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
748 .atag_offset = 0x100,
749 .nr_irqs = ORION5X_NR_IRQS,
750 .init_machine = dns323_init,
751 .map_io = orion5x_map_io,
752 .init_early = orion5x_init_early,
753 .init_irq = orion5x_init_irq,
754 .init_time = orion5x_timer_init,
755 .fixup = tag_fixup_mem32,
756 .restart = orion5x_restart,
757 MACHINE_END
758
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.