Merge tag 'kvm-arm-for-v4.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / arch / arm / mach-orion5x / dns323-setup.c
CommitLineData
555a3656 1/*
9dd0b194 2 * arch/arm/mach-orion5x/dns323-setup.c
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3 *
4 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
5 *
6e2daa49
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6 * Support for HW Rev C1:
7 *
8 * Copyright (C) 2010 Benjamin Herrenschmidt <benh@kernel.crashing.org>
9 *
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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 */
2f8163ba 16#include <linux/gpio.h>
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17#include <linux/kernel.h>
18#include <linux/init.h>
cf11052a 19#include <linux/delay.h>
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20#include <linux/platform_device.h>
21#include <linux/pci.h>
22#include <linux/irq.h>
23#include <linux/mtd/physmap.h>
24#include <linux/mv643xx_eth.h>
25#include <linux/leds.h>
26#include <linux/gpio_keys.h>
27#include <linux/input.h>
28#include <linux/i2c.h>
f93e4159 29#include <linux/ata_platform.h>
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30#include <linux/phy.h>
31#include <linux/marvell_phy.h>
555a3656 32#include <asm/mach-types.h>
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33#include <asm/mach/arch.h>
34#include <asm/mach/pci.h>
9f97da78 35#include <asm/system_info.h>
ce91574c 36#include <plat/orion-gpio.h>
c22c2c60 37#include "orion5x.h"
555a3656 38#include "common.h"
19cfd5c0 39#include "mpp.h"
555a3656 40
6e2daa49 41/* Rev A1 and B1 */
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42#define DNS323_GPIO_LED_RIGHT_AMBER 1
43#define DNS323_GPIO_LED_LEFT_AMBER 2
cf11052a 44#define DNS323_GPIO_SYSTEM_UP 3
b2a731aa
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45#define DNS323_GPIO_LED_POWER1 4
46#define DNS323_GPIO_LED_POWER2 5
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47#define DNS323_GPIO_OVERTEMP 6
48#define DNS323_GPIO_RTC 7
49#define DNS323_GPIO_POWER_OFF 8
50#define DNS323_GPIO_KEY_POWER 9
51#define DNS323_GPIO_KEY_RESET 10
52
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BH
53/* Rev C1 */
54#define DNS323C_GPIO_KEY_POWER 1
55#define DNS323C_GPIO_POWER_OFF 2
56#define DNS323C_GPIO_LED_RIGHT_AMBER 8
57#define DNS323C_GPIO_LED_LEFT_AMBER 9
58#define DNS323C_GPIO_LED_POWER 17
59#define DNS323C_GPIO_FAN_BIT1 18
60#define DNS323C_GPIO_FAN_BIT0 19
61
62/* Exposed to userspace, do not change */
63enum {
64 DNS323_REV_A1, /* 0 */
65 DNS323_REV_B1, /* 1 */
66 DNS323_REV_C1, /* 2 */
67};
68
69
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70/****************************************************************************
71 * PCI setup
72 */
73
d5341942 74static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
555a3656 75{
92b913b0 76 int irq;
555a3656 77
92b913b0
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78 /*
79 * Check for devices with hard-wired IRQs.
80 */
5166793f 81 irq = orion5x_pci_map_irq(dev, slot, pin);
92b913b0
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82 if (irq != -1)
83 return irq;
84
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85 return -1;
86}
87
88static struct hw_pci dns323_pci __initdata = {
bbdf1c1e 89 .nr_controllers = 2,
9dd0b194
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90 .setup = orion5x_pci_sys_setup,
91 .scan = orion5x_pci_sys_scan_bus,
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92 .map_irq = dns323_pci_map_irq,
93};
94
95static int __init dns323_pci_init(void)
96{
6e2daa49 97 /* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI
f93e4159
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98 * gets in the way of initialising the SATA controller.
99 */
6e2daa49 100 if (machine_is_dns323() && system_rev == DNS323_REV_A1)
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101 pci_common_init(&dns323_pci);
102
103 return 0;
104}
105
106subsys_initcall(dns323_pci_init);
107
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108/****************************************************************************
109 * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
110 *
111 * Layout as used by D-Link:
112 * 0x00000000-0x00010000 : "MTD1"
113 * 0x00010000-0x00020000 : "MTD2"
114 * 0x00020000-0x001a0000 : "Linux Kernel"
115 * 0x001a0000-0x007d0000 : "File System"
116 * 0x007d0000-0x00800000 : "u-boot"
117 */
118
119#define DNS323_NOR_BOOT_BASE 0xf4000000
120#define DNS323_NOR_BOOT_SIZE SZ_8M
121
122static struct mtd_partition dns323_partitions[] = {
123 {
124 .name = "MTD1",
125 .size = 0x00010000,
126 .offset = 0,
127 }, {
128 .name = "MTD2",
129 .size = 0x00010000,
130 .offset = 0x00010000,
131 }, {
132 .name = "Linux Kernel",
133 .size = 0x00180000,
134 .offset = 0x00020000,
135 }, {
136 .name = "File System",
137 .size = 0x00630000,
138 .offset = 0x001A0000,
139 }, {
140 .name = "u-boot",
141 .size = 0x00030000,
142 .offset = 0x007d0000,
e7068ad3 143 },
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144};
145
146static struct physmap_flash_data dns323_nor_flash_data = {
147 .width = 1,
148 .parts = dns323_partitions,
149 .nr_parts = ARRAY_SIZE(dns323_partitions)
150};
151
152static struct resource dns323_nor_flash_resource = {
153 .flags = IORESOURCE_MEM,
154 .start = DNS323_NOR_BOOT_BASE,
155 .end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
156};
157
158static struct platform_device dns323_nor_flash = {
159 .name = "physmap-flash",
160 .id = 0,
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161 .dev = {
162 .platform_data = &dns323_nor_flash_data,
163 },
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164 .resource = &dns323_nor_flash_resource,
165 .num_resources = 1,
166};
167
a93f44c1
MP
168/****************************************************************************
169 * Ethernet
170 */
171
172static struct mv643xx_eth_platform_data dns323_eth_data = {
173 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
174};
175
a93f44c1
MP
176static int __init dns323_read_mac_addr(void)
177{
178 u_int8_t addr[6];
4904dbda 179 void __iomem *mac_page;
a93f44c1
MP
180
181 /* MAC address is stored as a regular ol' string in /dev/mtdblock4
182 * (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
183 */
184 mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024);
185 if (!mac_page)
186 return -ENOMEM;
187
4904dbda
AS
188 if (!mac_pton((__force const char *) mac_page, addr))
189 goto error_fail;
a93f44c1
MP
190
191 iounmap(mac_page);
7a1436d5 192 printk("DNS-323: Found ethernet MAC address: %pM\n", addr);
a93f44c1
MP
193
194 memcpy(dns323_eth_data.mac_addr, addr, 6);
195
196 return 0;
197
198error_fail:
199 iounmap(mac_page);
200 return -EINVAL;
201}
202
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203/****************************************************************************
204 * GPIO LEDs (simple - doesn't use hardware blinking support)
205 */
206
6e2daa49 207static struct gpio_led dns323ab_leds[] = {
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208 {
209 .name = "power:blue",
b2a731aa 210 .gpio = DNS323_GPIO_LED_POWER2,
f8e00530 211 .default_trigger = "default-on",
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212 }, {
213 .name = "right:amber",
214 .gpio = DNS323_GPIO_LED_RIGHT_AMBER,
215 .active_low = 1,
216 }, {
217 .name = "left:amber",
218 .gpio = DNS323_GPIO_LED_LEFT_AMBER,
219 .active_low = 1,
220 },
221};
222
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BH
223
224static struct gpio_led dns323c_leds[] = {
225 {
226 .name = "power:blue",
227 .gpio = DNS323C_GPIO_LED_POWER,
228 .default_trigger = "timer",
229 .active_low = 1,
230 }, {
231 .name = "right:amber",
232 .gpio = DNS323C_GPIO_LED_RIGHT_AMBER,
233 .active_low = 1,
234 }, {
235 .name = "left:amber",
236 .gpio = DNS323C_GPIO_LED_LEFT_AMBER,
237 .active_low = 1,
238 },
239};
240
241
242static struct gpio_led_platform_data dns323ab_led_data = {
243 .num_leds = ARRAY_SIZE(dns323ab_leds),
244 .leds = dns323ab_leds,
ff3e660b 245 .gpio_blink_set = orion_gpio_led_blink_set,
6e2daa49
BH
246};
247
248static struct gpio_led_platform_data dns323c_led_data = {
249 .num_leds = ARRAY_SIZE(dns323c_leds),
250 .leds = dns323c_leds,
ff3e660b 251 .gpio_blink_set = orion_gpio_led_blink_set,
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252};
253
254static struct platform_device dns323_gpio_leds = {
255 .name = "leds-gpio",
256 .id = -1,
e7068ad3 257 .dev = {
6e2daa49 258 .platform_data = &dns323ab_led_data,
e7068ad3 259 },
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260};
261
262/****************************************************************************
263 * GPIO Attached Keys
264 */
265
6e2daa49 266static struct gpio_keys_button dns323ab_buttons[] = {
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267 {
268 .code = KEY_RESTART,
269 .gpio = DNS323_GPIO_KEY_RESET,
270 .desc = "Reset Button",
271 .active_low = 1,
e7068ad3 272 }, {
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273 .code = KEY_POWER,
274 .gpio = DNS323_GPIO_KEY_POWER,
275 .desc = "Power Button",
276 .active_low = 1,
e7068ad3 277 },
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278};
279
6e2daa49
BH
280static struct gpio_keys_platform_data dns323ab_button_data = {
281 .buttons = dns323ab_buttons,
282 .nbuttons = ARRAY_SIZE(dns323ab_buttons),
283};
284
285static struct gpio_keys_button dns323c_buttons[] = {
286 {
287 .code = KEY_POWER,
288 .gpio = DNS323C_GPIO_KEY_POWER,
289 .desc = "Power Button",
290 .active_low = 1,
291 },
292};
293
294static struct gpio_keys_platform_data dns323c_button_data = {
295 .buttons = dns323c_buttons,
296 .nbuttons = ARRAY_SIZE(dns323c_buttons),
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297};
298
299static struct platform_device dns323_button_device = {
300 .name = "gpio-keys",
301 .id = -1,
302 .num_resources = 0,
e7068ad3 303 .dev = {
6e2daa49 304 .platform_data = &dns323ab_button_data,
e7068ad3 305 },
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306};
307
f93e4159
MP
308/*****************************************************************************
309 * SATA
310 */
311static struct mv_sata_platform_data dns323_sata_data = {
312 .n_ports = 2,
313};
314
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315/****************************************************************************
316 * General Setup
317 */
554cdaef
AL
318static unsigned int dns323a_mpp_modes[] __initdata = {
319 MPP0_PCIE_RST_OUTn,
320 MPP1_GPIO, /* right amber LED (sata ch0) */
321 MPP2_GPIO, /* left amber LED (sata ch1) */
322 MPP3_UNUSED,
323 MPP4_GPIO, /* power button LED */
324 MPP5_GPIO, /* power button LED */
325 MPP6_GPIO, /* GMT G751-2f overtemp */
326 MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
327 MPP8_GPIO, /* triggers power off */
328 MPP9_GPIO, /* power button switch */
329 MPP10_GPIO, /* reset button switch */
330 MPP11_UNUSED,
331 MPP12_UNUSED,
332 MPP13_UNUSED,
333 MPP14_UNUSED,
334 MPP15_UNUSED,
335 MPP16_UNUSED,
336 MPP17_UNUSED,
337 MPP18_UNUSED,
338 MPP19_UNUSED,
339 0,
19cfd5c0 340};
555a3656 341
554cdaef
AL
342static unsigned int dns323b_mpp_modes[] __initdata = {
343 MPP0_UNUSED,
344 MPP1_GPIO, /* right amber LED (sata ch0) */
345 MPP2_GPIO, /* left amber LED (sata ch1) */
346 MPP3_GPIO, /* system up flag */
347 MPP4_GPIO, /* power button LED */
348 MPP5_GPIO, /* power button LED */
349 MPP6_GPIO, /* GMT G751-2f overtemp */
350 MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
351 MPP8_GPIO, /* triggers power off */
352 MPP9_GPIO, /* power button switch */
353 MPP10_GPIO, /* reset button switch */
354 MPP11_UNUSED,
355 MPP12_SATA_LED,
356 MPP13_SATA_LED,
357 MPP14_SATA_LED,
358 MPP15_SATA_LED,
359 MPP16_UNUSED,
360 MPP17_UNUSED,
361 MPP18_UNUSED,
362 MPP19_UNUSED,
363 0,
f93e4159
MP
364};
365
554cdaef
AL
366static unsigned int dns323c_mpp_modes[] __initdata = {
367 MPP0_GPIO, /* ? input */
368 MPP1_GPIO, /* input power switch (0 = pressed) */
369 MPP2_GPIO, /* output power off */
370 MPP3_UNUSED, /* ? output */
371 MPP4_UNUSED, /* ? output */
372 MPP5_UNUSED, /* ? output */
373 MPP6_UNUSED, /* ? output */
374 MPP7_UNUSED, /* ? output */
375 MPP8_GPIO, /* i/o right amber LED */
376 MPP9_GPIO, /* i/o left amber LED */
377 MPP10_GPIO, /* input */
378 MPP11_UNUSED,
379 MPP12_SATA_LED,
380 MPP13_SATA_LED,
381 MPP14_SATA_LED,
382 MPP15_SATA_LED,
383 MPP16_UNUSED,
384 MPP17_GPIO, /* power button LED */
385 MPP18_GPIO, /* fan speed bit 0 */
386 MPP19_GPIO, /* fan speed bit 1 */
387 0,
6e2daa49
BH
388};
389
390/* Rev C1 Fan speed notes:
391 *
392 * The fan is controlled by 2 GPIOs on this board. The settings
393 * of the bits is as follow:
394 *
395 * GPIO 18 GPIO 19 Fan
396 *
397 * 0 0 stopped
398 * 0 1 low speed
399 * 1 0 high speed
400 * 1 1 don't do that (*)
401 *
402 * (*) I think the two bits control two feed-in resistors into a fixed
403 * PWN circuit, setting both bits will basically go a 'bit' faster
404 * than high speed, but d-link doesn't do it and you may get out of
405 * HW spec so don't do it.
406 */
407
555a3656 408/*
6e2daa49 409 * On the DNS-323 A1 and B1 the following devices are attached via I2C:
555a3656
HVR
410 *
411 * i2c addr | chip | description
412 * 0x3e | GMT G760Af | fan speed PWM controller
413 * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
414 * 0x68 | ST M41T80 | RTC w/ alarm
415 */
6e2daa49 416static struct i2c_board_info __initdata dns323ab_i2c_devices[] = {
555a3656
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417 {
418 I2C_BOARD_INFO("g760a", 0x3e),
e7068ad3 419 }, {
c0fe819b 420 I2C_BOARD_INFO("lm75", 0x48),
e7068ad3 421 }, {
3760f736 422 I2C_BOARD_INFO("m41t80", 0x68),
e7068ad3 423 },
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424};
425
6e2daa49
BH
426/*
427 * On the DNS-323 C1 the following devices are attached via I2C:
428 *
429 * i2c addr | chip | description
430 * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
431 * 0x68 | ST M41T80 | RTC w/ alarm
432 */
433static struct i2c_board_info __initdata dns323c_i2c_devices[] = {
434 {
435 I2C_BOARD_INFO("lm75", 0x48),
436 }, {
437 I2C_BOARD_INFO("m41t80", 0x68),
438 },
439};
440
cf11052a
EB
441/* DNS-323 rev. A specific power off method */
442static void dns323a_power_off(void)
555a3656 443{
6e2daa49 444 pr_info("DNS-323: Triggering power-off...\n");
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HVR
445 gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
446}
447
cf11052a
EB
448/* DNS-323 rev B specific power off method */
449static void dns323b_power_off(void)
450{
6e2daa49 451 pr_info("DNS-323: Triggering power-off...\n");
cf11052a
EB
452 /* Pin has to be changed to 1 and back to 0 to do actual power off. */
453 gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
454 mdelay(100);
455 gpio_set_value(DNS323_GPIO_POWER_OFF, 0);
456}
457
6e2daa49
BH
458/* DNS-323 rev. C specific power off method */
459static void dns323c_power_off(void)
460{
461 pr_info("DNS-323: Triggering power-off...\n");
462 gpio_set_value(DNS323C_GPIO_POWER_OFF, 1);
463}
464
465static int dns323c_phy_fixup(struct phy_device *phy)
466{
467 phy->dev_flags |= MARVELL_PHY_M1118_DNS323_LEDS;
468
469 return 0;
470}
471
472static int __init dns323_identify_rev(void)
473{
474 u32 dev, rev, i, reg;
475
476 pr_debug("DNS-323: Identifying board ... \n");
477
478 /* Rev A1 has a 5181 */
479 orion5x_pcie_id(&dev, &rev);
480 if (dev == MV88F5181_DEV_ID) {
481 pr_debug("DNS-323: 5181 found, board is A1\n");
482 return DNS323_REV_A1;
483 }
484 pr_debug("DNS-323: 5182 found, board is B1 or C1, checking PHY...\n");
485
486 /* Rev B1 and C1 both have 5182, let's poke at the eth PHY. This is
487 * a bit gross but we want to do that without links into the eth
488 * driver so let's poke at it directly. We default to rev B1 in
489 * case the accesses fail
490 */
491
492#define ETH_SMI_REG (ORION5X_ETH_VIRT_BASE + 0x2000 + 0x004)
493#define SMI_BUSY 0x10000000
494#define SMI_READ_VALID 0x08000000
495#define SMI_OPCODE_READ 0x04000000
496#define SMI_OPCODE_WRITE 0x00000000
497
498 for (i = 0; i < 1000; i++) {
499 reg = readl(ETH_SMI_REG);
500 if (!(reg & SMI_BUSY))
501 break;
502 }
503 if (i >= 1000) {
9d06d34b 504 pr_warn("DNS-323: Timeout accessing PHY, assuming rev B1\n");
6e2daa49
BH
505 return DNS323_REV_B1;
506 }
507 writel((3 << 21) /* phy ID reg */ |
508 (8 << 16) /* phy addr */ |
509 SMI_OPCODE_READ, ETH_SMI_REG);
510 for (i = 0; i < 1000; i++) {
511 reg = readl(ETH_SMI_REG);
512 if (reg & SMI_READ_VALID)
513 break;
514 }
515 if (i >= 1000) {
9d06d34b 516 pr_warn("DNS-323: Timeout reading PHY, assuming rev B1\n");
6e2daa49
BH
517 return DNS323_REV_B1;
518 }
519 pr_debug("DNS-323: Ethernet PHY ID 0x%x\n", reg & 0xffff);
520
521 /* Note: the Marvell tools mask the ID with 0x3f0 before comparison
522 * but I don't see that making a difference here, at least with
523 * any known Marvell PHY ID
524 */
525 switch(reg & 0xfff0) {
526 case 0x0cc0: /* MV88E1111 */
527 return DNS323_REV_B1;
528 case 0x0e10: /* MV88E1118 */
529 return DNS323_REV_C1;
530 default:
9d06d34b
JP
531 pr_warn("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n",
532 reg & 0xffff);
6e2daa49
BH
533 }
534 return DNS323_REV_B1;
535}
536
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HVR
537static void __init dns323_init(void)
538{
539 /* Setup basic Orion functions. Need to be called early. */
9dd0b194 540 orion5x_init();
555a3656 541
6e2daa49
BH
542 /* Identify revision */
543 system_rev = dns323_identify_rev();
544 pr_info("DNS-323: Identified HW revision %c1\n", 'A' + system_rev);
545
f93e4159
MP
546 /* Just to be tricky, the 5182 has a completely different
547 * set of MPP modes to the 5181.
548 */
6e2daa49
BH
549 switch(system_rev) {
550 case DNS323_REV_A1:
551 orion5x_mpp_conf(dns323a_mpp_modes);
f93e4159 552 writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
6e2daa49
BH
553 break;
554 case DNS323_REV_B1:
555 orion5x_mpp_conf(dns323b_mpp_modes);
556 break;
557 case DNS323_REV_C1:
558 orion5x_mpp_conf(dns323c_mpp_modes);
559 break;
f93e4159 560 }
555a3656 561
044f6c7c
LB
562 /* setup flash mapping
563 * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
564 */
4ca2c040
TP
565 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
566 ORION_MBUS_DEVBUS_BOOT_ATTR,
567 DNS323_NOR_BOOT_BASE,
568 DNS323_NOR_BOOT_SIZE);
044f6c7c
LB
569 platform_device_register(&dns323_nor_flash);
570
6e2daa49
BH
571 /* Sort out LEDs, Buttons and i2c devices */
572 switch(system_rev) {
573 case DNS323_REV_A1:
574 /* The 5181 power LED is active low and requires
575 * DNS323_GPIO_LED_POWER1 to also be low.
576 */
577 dns323ab_leds[0].active_low = 1;
578 gpio_request(DNS323_GPIO_LED_POWER1, "Power Led Enable");
579 gpio_direction_output(DNS323_GPIO_LED_POWER1, 0);
580 /* Fall through */
581 case DNS323_REV_B1:
582 i2c_register_board_info(0, dns323ab_i2c_devices,
583 ARRAY_SIZE(dns323ab_i2c_devices));
584 break;
585 case DNS323_REV_C1:
586 /* Hookup LEDs & Buttons */
587 dns323_gpio_leds.dev.platform_data = &dns323c_led_data;
588 dns323_button_device.dev.platform_data = &dns323c_button_data;
589
590 /* Hookup i2c devices and fan driver */
591 i2c_register_board_info(0, dns323c_i2c_devices,
592 ARRAY_SIZE(dns323c_i2c_devices));
593 platform_device_register_simple("dns323c-fan", 0, NULL, 0);
594
595 /* Register fixup for the PHY LEDs */
32ff4971
AB
596 if (!IS_BUILTIN(CONFIG_PHYLIB))
597 break;
6e2daa49
BH
598 phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118,
599 MARVELL_PHY_ID_MASK,
600 dns323c_phy_fixup);
b2a731aa
LB
601 }
602
044f6c7c 603 platform_device_register(&dns323_gpio_leds);
044f6c7c 604 platform_device_register(&dns323_button_device);
555a3656 605
a93f44c1
MP
606 /*
607 * Configure peripherals.
608 */
609 if (dns323_read_mac_addr() < 0)
6e2daa49 610 printk("DNS-323: Failed to read MAC address\n");
a93f44c1
MP
611 orion5x_ehci0_init();
612 orion5x_eth_init(&dns323_eth_data);
613 orion5x_i2c_init();
614 orion5x_uart0_init();
615
6e2daa49
BH
616 /* Remaining GPIOs */
617 switch(system_rev) {
618 case DNS323_REV_A1:
619 /* Poweroff GPIO */
620 if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
621 gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
622 pr_err("DNS-323: failed to setup power-off GPIO\n");
623 pm_power_off = dns323a_power_off;
624 break;
625 case DNS323_REV_B1:
626 /* 5182 built-in SATA init */
f93e4159
MP
627 orion5x_sata_init(&dns323_sata_data);
628
6e2daa49
BH
629 /* The DNS323 rev B1 has flag to indicate the system is up.
630 * Without this flag set, power LED will flash and cannot be
631 * controlled via leds-gpio.
632 */
633 if (gpio_request(DNS323_GPIO_SYSTEM_UP, "SYS_READY") == 0)
634 gpio_direction_output(DNS323_GPIO_SYSTEM_UP, 1);
635
636 /* Poweroff GPIO */
637 if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
638 gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
639 pr_err("DNS-323: failed to setup power-off GPIO\n");
cf11052a 640 pm_power_off = dns323b_power_off;
6e2daa49
BH
641 break;
642 case DNS323_REV_C1:
643 /* 5182 built-in SATA init */
644 orion5x_sata_init(&dns323_sata_data);
645
646 /* Poweroff GPIO */
647 if (gpio_request(DNS323C_GPIO_POWER_OFF, "POWEROFF") != 0 ||
648 gpio_direction_output(DNS323C_GPIO_POWER_OFF, 0) != 0)
649 pr_err("DNS-323: failed to setup power-off GPIO\n");
650 pm_power_off = dns323c_power_off;
651
652 /* Now, -this- should theorically be done by the sata_mv driver
653 * once I figure out what's going on there. Maybe the behaviour
654 * of the LEDs should be somewhat passed via the platform_data.
655 * for now, just whack the register and make the LEDs happy
656 *
657 * Note: AFAIK, rev B1 needs the same treatement but I'll let
658 * somebody else test it.
659 */
3904a393 660 writel(0x5, ORION5X_SATA_VIRT_BASE + 0x2c);
6e2daa49
BH
661 break;
662 }
555a3656
HVR
663}
664
665/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
666MACHINE_START(DNS323, "D-Link DNS-323")
667 /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
65aa1b1e 668 .atag_offset = 0x100,
5cdbe5d2 669 .nr_irqs = ORION5X_NR_IRQS,
555a3656 670 .init_machine = dns323_init,
9dd0b194 671 .map_io = orion5x_map_io,
4ee1f6b5 672 .init_early = orion5x_init_early,
9dd0b194 673 .init_irq = orion5x_init_irq,
6bb27d73 674 .init_time = orion5x_timer_init,
be73a347 675 .fixup = tag_fixup_mem32,
764cbcc2 676 .restart = orion5x_restart,
555a3656 677MACHINE_END
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