Commit | Line | Data |
---|---|---|
555a3656 | 1 | /* |
9dd0b194 | 2 | * arch/arm/mach-orion5x/dns323-setup.c |
555a3656 HVR |
3 | * |
4 | * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> | |
5 | * | |
6e2daa49 BH |
6 | * Support for HW Rev C1: |
7 | * | |
8 | * Copyright (C) 2010 Benjamin Herrenschmidt <benh@kernel.crashing.org> | |
9 | * | |
555a3656 HVR |
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 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/init.h> | |
cf11052a | 19 | #include <linux/delay.h> |
555a3656 HVR |
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> |
6e2daa49 BH |
30 | #include <linux/phy.h> |
31 | #include <linux/marvell_phy.h> | |
555a3656 HVR |
32 | #include <asm/mach-types.h> |
33 | #include <asm/gpio.h> | |
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach/pci.h> | |
a09e64fb | 36 | #include <mach/orion5x.h> |
555a3656 | 37 | #include "common.h" |
19cfd5c0 | 38 | #include "mpp.h" |
555a3656 | 39 | |
6e2daa49 | 40 | /* Rev A1 and B1 */ |
555a3656 HVR |
41 | #define DNS323_GPIO_LED_RIGHT_AMBER 1 |
42 | #define DNS323_GPIO_LED_LEFT_AMBER 2 | |
cf11052a | 43 | #define DNS323_GPIO_SYSTEM_UP 3 |
b2a731aa LB |
44 | #define DNS323_GPIO_LED_POWER1 4 |
45 | #define DNS323_GPIO_LED_POWER2 5 | |
555a3656 HVR |
46 | #define DNS323_GPIO_OVERTEMP 6 |
47 | #define DNS323_GPIO_RTC 7 | |
48 | #define DNS323_GPIO_POWER_OFF 8 | |
49 | #define DNS323_GPIO_KEY_POWER 9 | |
50 | #define DNS323_GPIO_KEY_RESET 10 | |
51 | ||
6e2daa49 BH |
52 | /* Rev C1 */ |
53 | #define DNS323C_GPIO_KEY_POWER 1 | |
54 | #define DNS323C_GPIO_POWER_OFF 2 | |
55 | #define DNS323C_GPIO_LED_RIGHT_AMBER 8 | |
56 | #define DNS323C_GPIO_LED_LEFT_AMBER 9 | |
57 | #define DNS323C_GPIO_LED_POWER 17 | |
58 | #define DNS323C_GPIO_FAN_BIT1 18 | |
59 | #define DNS323C_GPIO_FAN_BIT0 19 | |
60 | ||
61 | /* Exposed to userspace, do not change */ | |
62 | enum { | |
63 | DNS323_REV_A1, /* 0 */ | |
64 | DNS323_REV_B1, /* 1 */ | |
65 | DNS323_REV_C1, /* 2 */ | |
66 | }; | |
67 | ||
68 | ||
555a3656 HVR |
69 | /**************************************************************************** |
70 | * PCI setup | |
71 | */ | |
72 | ||
d5341942 | 73 | static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
555a3656 | 74 | { |
92b913b0 | 75 | int irq; |
555a3656 | 76 | |
92b913b0 LB |
77 | /* |
78 | * Check for devices with hard-wired IRQs. | |
79 | */ | |
5166793f | 80 | irq = orion5x_pci_map_irq(dev, slot, pin); |
92b913b0 LB |
81 | if (irq != -1) |
82 | return irq; | |
83 | ||
555a3656 HVR |
84 | return -1; |
85 | } | |
86 | ||
87 | static struct hw_pci dns323_pci __initdata = { | |
bbdf1c1e | 88 | .nr_controllers = 2, |
555a3656 | 89 | .swizzle = pci_std_swizzle, |
9dd0b194 LB |
90 | .setup = orion5x_pci_sys_setup, |
91 | .scan = orion5x_pci_sys_scan_bus, | |
555a3656 HVR |
92 | .map_irq = dns323_pci_map_irq, |
93 | }; | |
94 | ||
95 | static int __init dns323_pci_init(void) | |
96 | { | |
6e2daa49 | 97 | /* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI |
f93e4159 MP |
98 | * gets in the way of initialising the SATA controller. |
99 | */ | |
6e2daa49 | 100 | if (machine_is_dns323() && system_rev == DNS323_REV_A1) |
555a3656 HVR |
101 | pci_common_init(&dns323_pci); |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | subsys_initcall(dns323_pci_init); | |
107 | ||
555a3656 HVR |
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 | ||
122 | static 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 | }, |
555a3656 HVR |
144 | }; |
145 | ||
146 | static struct physmap_flash_data dns323_nor_flash_data = { | |
147 | .width = 1, | |
148 | .parts = dns323_partitions, | |
149 | .nr_parts = ARRAY_SIZE(dns323_partitions) | |
150 | }; | |
151 | ||
152 | static 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 | ||
158 | static struct platform_device dns323_nor_flash = { | |
159 | .name = "physmap-flash", | |
160 | .id = 0, | |
e7068ad3 LB |
161 | .dev = { |
162 | .platform_data = &dns323_nor_flash_data, | |
163 | }, | |
555a3656 HVR |
164 | .resource = &dns323_nor_flash_resource, |
165 | .num_resources = 1, | |
166 | }; | |
167 | ||
a93f44c1 MP |
168 | /**************************************************************************** |
169 | * Ethernet | |
170 | */ | |
171 | ||
172 | static struct mv643xx_eth_platform_data dns323_eth_data = { | |
173 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), | |
174 | }; | |
175 | ||
176 | /* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these | |
177 | * functions be kept somewhere? | |
178 | */ | |
179 | static int __init dns323_parse_hex_nibble(char n) | |
180 | { | |
181 | if (n >= '0' && n <= '9') | |
182 | return n - '0'; | |
183 | ||
184 | if (n >= 'A' && n <= 'F') | |
185 | return n - 'A' + 10; | |
186 | ||
187 | if (n >= 'a' && n <= 'f') | |
188 | return n - 'a' + 10; | |
189 | ||
190 | return -1; | |
191 | } | |
192 | ||
193 | static int __init dns323_parse_hex_byte(const char *b) | |
194 | { | |
195 | int hi; | |
196 | int lo; | |
197 | ||
198 | hi = dns323_parse_hex_nibble(b[0]); | |
199 | lo = dns323_parse_hex_nibble(b[1]); | |
200 | ||
201 | if (hi < 0 || lo < 0) | |
202 | return -1; | |
203 | ||
204 | return (hi << 4) | lo; | |
205 | } | |
206 | ||
207 | static int __init dns323_read_mac_addr(void) | |
208 | { | |
209 | u_int8_t addr[6]; | |
210 | int i; | |
211 | char *mac_page; | |
212 | ||
213 | /* MAC address is stored as a regular ol' string in /dev/mtdblock4 | |
214 | * (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80). | |
215 | */ | |
216 | mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024); | |
217 | if (!mac_page) | |
218 | return -ENOMEM; | |
219 | ||
220 | /* Sanity check the string we're looking at */ | |
221 | for (i = 0; i < 5; i++) { | |
222 | if (*(mac_page + (i * 3) + 2) != ':') { | |
223 | goto error_fail; | |
224 | } | |
225 | } | |
226 | ||
227 | for (i = 0; i < 6; i++) { | |
228 | int byte; | |
229 | ||
230 | byte = dns323_parse_hex_byte(mac_page + (i * 3)); | |
231 | if (byte < 0) { | |
232 | goto error_fail; | |
233 | } | |
234 | ||
235 | addr[i] = byte; | |
236 | } | |
237 | ||
238 | iounmap(mac_page); | |
6e2daa49 | 239 | printk("DNS-323: Found ethernet MAC address: "); |
a93f44c1 MP |
240 | for (i = 0; i < 6; i++) |
241 | printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n"); | |
242 | ||
243 | memcpy(dns323_eth_data.mac_addr, addr, 6); | |
244 | ||
245 | return 0; | |
246 | ||
247 | error_fail: | |
248 | iounmap(mac_page); | |
249 | return -EINVAL; | |
250 | } | |
251 | ||
555a3656 HVR |
252 | /**************************************************************************** |
253 | * GPIO LEDs (simple - doesn't use hardware blinking support) | |
254 | */ | |
255 | ||
b2a731aa LB |
256 | #define ORION_BLINK_HALF_PERIOD 100 /* ms */ |
257 | ||
2146325d | 258 | static int dns323_gpio_blink_set(unsigned gpio, int state, |
b2a731aa LB |
259 | unsigned long *delay_on, unsigned long *delay_off) |
260 | { | |
b2a731aa | 261 | |
2146325d | 262 | if (delay_on && delay_off && !*delay_on && !*delay_off) |
b2a731aa LB |
263 | *delay_on = *delay_off = ORION_BLINK_HALF_PERIOD; |
264 | ||
2146325d BH |
265 | switch(state) { |
266 | case GPIO_LED_NO_BLINK_LOW: | |
267 | case GPIO_LED_NO_BLINK_HIGH: | |
268 | orion_gpio_set_blink(gpio, 0); | |
269 | gpio_set_value(gpio, state); | |
270 | break; | |
271 | case GPIO_LED_BLINK: | |
272 | orion_gpio_set_blink(gpio, 1); | |
b2a731aa | 273 | } |
2146325d | 274 | return 0; |
b2a731aa LB |
275 | } |
276 | ||
6e2daa49 | 277 | static struct gpio_led dns323ab_leds[] = { |
555a3656 HVR |
278 | { |
279 | .name = "power:blue", | |
b2a731aa | 280 | .gpio = DNS323_GPIO_LED_POWER2, |
f8e00530 | 281 | .default_trigger = "default-on", |
555a3656 HVR |
282 | }, { |
283 | .name = "right:amber", | |
284 | .gpio = DNS323_GPIO_LED_RIGHT_AMBER, | |
285 | .active_low = 1, | |
286 | }, { | |
287 | .name = "left:amber", | |
288 | .gpio = DNS323_GPIO_LED_LEFT_AMBER, | |
289 | .active_low = 1, | |
290 | }, | |
291 | }; | |
292 | ||
6e2daa49 BH |
293 | |
294 | static struct gpio_led dns323c_leds[] = { | |
295 | { | |
296 | .name = "power:blue", | |
297 | .gpio = DNS323C_GPIO_LED_POWER, | |
298 | .default_trigger = "timer", | |
299 | .active_low = 1, | |
300 | }, { | |
301 | .name = "right:amber", | |
302 | .gpio = DNS323C_GPIO_LED_RIGHT_AMBER, | |
303 | .active_low = 1, | |
304 | }, { | |
305 | .name = "left:amber", | |
306 | .gpio = DNS323C_GPIO_LED_LEFT_AMBER, | |
307 | .active_low = 1, | |
308 | }, | |
309 | }; | |
310 | ||
311 | ||
312 | static struct gpio_led_platform_data dns323ab_led_data = { | |
313 | .num_leds = ARRAY_SIZE(dns323ab_leds), | |
314 | .leds = dns323ab_leds, | |
315 | .gpio_blink_set = dns323_gpio_blink_set, | |
316 | }; | |
317 | ||
318 | static struct gpio_led_platform_data dns323c_led_data = { | |
319 | .num_leds = ARRAY_SIZE(dns323c_leds), | |
320 | .leds = dns323c_leds, | |
b2a731aa | 321 | .gpio_blink_set = dns323_gpio_blink_set, |
555a3656 HVR |
322 | }; |
323 | ||
324 | static struct platform_device dns323_gpio_leds = { | |
325 | .name = "leds-gpio", | |
326 | .id = -1, | |
e7068ad3 | 327 | .dev = { |
6e2daa49 | 328 | .platform_data = &dns323ab_led_data, |
e7068ad3 | 329 | }, |
555a3656 HVR |
330 | }; |
331 | ||
332 | /**************************************************************************** | |
333 | * GPIO Attached Keys | |
334 | */ | |
335 | ||
6e2daa49 | 336 | static struct gpio_keys_button dns323ab_buttons[] = { |
555a3656 HVR |
337 | { |
338 | .code = KEY_RESTART, | |
339 | .gpio = DNS323_GPIO_KEY_RESET, | |
340 | .desc = "Reset Button", | |
341 | .active_low = 1, | |
e7068ad3 | 342 | }, { |
555a3656 HVR |
343 | .code = KEY_POWER, |
344 | .gpio = DNS323_GPIO_KEY_POWER, | |
345 | .desc = "Power Button", | |
346 | .active_low = 1, | |
e7068ad3 | 347 | }, |
555a3656 HVR |
348 | }; |
349 | ||
6e2daa49 BH |
350 | static struct gpio_keys_platform_data dns323ab_button_data = { |
351 | .buttons = dns323ab_buttons, | |
352 | .nbuttons = ARRAY_SIZE(dns323ab_buttons), | |
353 | }; | |
354 | ||
355 | static struct gpio_keys_button dns323c_buttons[] = { | |
356 | { | |
357 | .code = KEY_POWER, | |
358 | .gpio = DNS323C_GPIO_KEY_POWER, | |
359 | .desc = "Power Button", | |
360 | .active_low = 1, | |
361 | }, | |
362 | }; | |
363 | ||
364 | static struct gpio_keys_platform_data dns323c_button_data = { | |
365 | .buttons = dns323c_buttons, | |
366 | .nbuttons = ARRAY_SIZE(dns323c_buttons), | |
555a3656 HVR |
367 | }; |
368 | ||
369 | static struct platform_device dns323_button_device = { | |
370 | .name = "gpio-keys", | |
371 | .id = -1, | |
372 | .num_resources = 0, | |
e7068ad3 | 373 | .dev = { |
6e2daa49 | 374 | .platform_data = &dns323ab_button_data, |
e7068ad3 | 375 | }, |
555a3656 HVR |
376 | }; |
377 | ||
f93e4159 MP |
378 | /***************************************************************************** |
379 | * SATA | |
380 | */ | |
381 | static struct mv_sata_platform_data dns323_sata_data = { | |
382 | .n_ports = 2, | |
383 | }; | |
384 | ||
555a3656 HVR |
385 | /**************************************************************************** |
386 | * General Setup | |
387 | */ | |
554cdaef AL |
388 | static unsigned int dns323a_mpp_modes[] __initdata = { |
389 | MPP0_PCIE_RST_OUTn, | |
390 | MPP1_GPIO, /* right amber LED (sata ch0) */ | |
391 | MPP2_GPIO, /* left amber LED (sata ch1) */ | |
392 | MPP3_UNUSED, | |
393 | MPP4_GPIO, /* power button LED */ | |
394 | MPP5_GPIO, /* power button LED */ | |
395 | MPP6_GPIO, /* GMT G751-2f overtemp */ | |
396 | MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */ | |
397 | MPP8_GPIO, /* triggers power off */ | |
398 | MPP9_GPIO, /* power button switch */ | |
399 | MPP10_GPIO, /* reset button switch */ | |
400 | MPP11_UNUSED, | |
401 | MPP12_UNUSED, | |
402 | MPP13_UNUSED, | |
403 | MPP14_UNUSED, | |
404 | MPP15_UNUSED, | |
405 | MPP16_UNUSED, | |
406 | MPP17_UNUSED, | |
407 | MPP18_UNUSED, | |
408 | MPP19_UNUSED, | |
409 | 0, | |
19cfd5c0 | 410 | }; |
555a3656 | 411 | |
554cdaef AL |
412 | static unsigned int dns323b_mpp_modes[] __initdata = { |
413 | MPP0_UNUSED, | |
414 | MPP1_GPIO, /* right amber LED (sata ch0) */ | |
415 | MPP2_GPIO, /* left amber LED (sata ch1) */ | |
416 | MPP3_GPIO, /* system up flag */ | |
417 | MPP4_GPIO, /* power button LED */ | |
418 | MPP5_GPIO, /* power button LED */ | |
419 | MPP6_GPIO, /* GMT G751-2f overtemp */ | |
420 | MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */ | |
421 | MPP8_GPIO, /* triggers power off */ | |
422 | MPP9_GPIO, /* power button switch */ | |
423 | MPP10_GPIO, /* reset button switch */ | |
424 | MPP11_UNUSED, | |
425 | MPP12_SATA_LED, | |
426 | MPP13_SATA_LED, | |
427 | MPP14_SATA_LED, | |
428 | MPP15_SATA_LED, | |
429 | MPP16_UNUSED, | |
430 | MPP17_UNUSED, | |
431 | MPP18_UNUSED, | |
432 | MPP19_UNUSED, | |
433 | 0, | |
f93e4159 MP |
434 | }; |
435 | ||
554cdaef AL |
436 | static unsigned int dns323c_mpp_modes[] __initdata = { |
437 | MPP0_GPIO, /* ? input */ | |
438 | MPP1_GPIO, /* input power switch (0 = pressed) */ | |
439 | MPP2_GPIO, /* output power off */ | |
440 | MPP3_UNUSED, /* ? output */ | |
441 | MPP4_UNUSED, /* ? output */ | |
442 | MPP5_UNUSED, /* ? output */ | |
443 | MPP6_UNUSED, /* ? output */ | |
444 | MPP7_UNUSED, /* ? output */ | |
445 | MPP8_GPIO, /* i/o right amber LED */ | |
446 | MPP9_GPIO, /* i/o left amber LED */ | |
447 | MPP10_GPIO, /* input */ | |
448 | MPP11_UNUSED, | |
449 | MPP12_SATA_LED, | |
450 | MPP13_SATA_LED, | |
451 | MPP14_SATA_LED, | |
452 | MPP15_SATA_LED, | |
453 | MPP16_UNUSED, | |
454 | MPP17_GPIO, /* power button LED */ | |
455 | MPP18_GPIO, /* fan speed bit 0 */ | |
456 | MPP19_GPIO, /* fan speed bit 1 */ | |
457 | 0, | |
6e2daa49 BH |
458 | }; |
459 | ||
460 | /* Rev C1 Fan speed notes: | |
461 | * | |
462 | * The fan is controlled by 2 GPIOs on this board. The settings | |
463 | * of the bits is as follow: | |
464 | * | |
465 | * GPIO 18 GPIO 19 Fan | |
466 | * | |
467 | * 0 0 stopped | |
468 | * 0 1 low speed | |
469 | * 1 0 high speed | |
470 | * 1 1 don't do that (*) | |
471 | * | |
472 | * (*) I think the two bits control two feed-in resistors into a fixed | |
473 | * PWN circuit, setting both bits will basically go a 'bit' faster | |
474 | * than high speed, but d-link doesn't do it and you may get out of | |
475 | * HW spec so don't do it. | |
476 | */ | |
477 | ||
555a3656 | 478 | /* |
6e2daa49 | 479 | * On the DNS-323 A1 and B1 the following devices are attached via I2C: |
555a3656 HVR |
480 | * |
481 | * i2c addr | chip | description | |
482 | * 0x3e | GMT G760Af | fan speed PWM controller | |
483 | * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible) | |
484 | * 0x68 | ST M41T80 | RTC w/ alarm | |
485 | */ | |
6e2daa49 | 486 | static struct i2c_board_info __initdata dns323ab_i2c_devices[] = { |
555a3656 HVR |
487 | { |
488 | I2C_BOARD_INFO("g760a", 0x3e), | |
e7068ad3 | 489 | }, { |
c0fe819b | 490 | I2C_BOARD_INFO("lm75", 0x48), |
e7068ad3 | 491 | }, { |
3760f736 | 492 | I2C_BOARD_INFO("m41t80", 0x68), |
e7068ad3 | 493 | }, |
555a3656 HVR |
494 | }; |
495 | ||
6e2daa49 BH |
496 | /* |
497 | * On the DNS-323 C1 the following devices are attached via I2C: | |
498 | * | |
499 | * i2c addr | chip | description | |
500 | * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible) | |
501 | * 0x68 | ST M41T80 | RTC w/ alarm | |
502 | */ | |
503 | static struct i2c_board_info __initdata dns323c_i2c_devices[] = { | |
504 | { | |
505 | I2C_BOARD_INFO("lm75", 0x48), | |
506 | }, { | |
507 | I2C_BOARD_INFO("m41t80", 0x68), | |
508 | }, | |
509 | }; | |
510 | ||
cf11052a EB |
511 | /* DNS-323 rev. A specific power off method */ |
512 | static void dns323a_power_off(void) | |
555a3656 | 513 | { |
6e2daa49 | 514 | pr_info("DNS-323: Triggering power-off...\n"); |
555a3656 HVR |
515 | gpio_set_value(DNS323_GPIO_POWER_OFF, 1); |
516 | } | |
517 | ||
cf11052a EB |
518 | /* DNS-323 rev B specific power off method */ |
519 | static void dns323b_power_off(void) | |
520 | { | |
6e2daa49 | 521 | pr_info("DNS-323: Triggering power-off...\n"); |
cf11052a EB |
522 | /* Pin has to be changed to 1 and back to 0 to do actual power off. */ |
523 | gpio_set_value(DNS323_GPIO_POWER_OFF, 1); | |
524 | mdelay(100); | |
525 | gpio_set_value(DNS323_GPIO_POWER_OFF, 0); | |
526 | } | |
527 | ||
6e2daa49 BH |
528 | /* DNS-323 rev. C specific power off method */ |
529 | static void dns323c_power_off(void) | |
530 | { | |
531 | pr_info("DNS-323: Triggering power-off...\n"); | |
532 | gpio_set_value(DNS323C_GPIO_POWER_OFF, 1); | |
533 | } | |
534 | ||
535 | static int dns323c_phy_fixup(struct phy_device *phy) | |
536 | { | |
537 | phy->dev_flags |= MARVELL_PHY_M1118_DNS323_LEDS; | |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
542 | static int __init dns323_identify_rev(void) | |
543 | { | |
544 | u32 dev, rev, i, reg; | |
545 | ||
546 | pr_debug("DNS-323: Identifying board ... \n"); | |
547 | ||
548 | /* Rev A1 has a 5181 */ | |
549 | orion5x_pcie_id(&dev, &rev); | |
550 | if (dev == MV88F5181_DEV_ID) { | |
551 | pr_debug("DNS-323: 5181 found, board is A1\n"); | |
552 | return DNS323_REV_A1; | |
553 | } | |
554 | pr_debug("DNS-323: 5182 found, board is B1 or C1, checking PHY...\n"); | |
555 | ||
556 | /* Rev B1 and C1 both have 5182, let's poke at the eth PHY. This is | |
557 | * a bit gross but we want to do that without links into the eth | |
558 | * driver so let's poke at it directly. We default to rev B1 in | |
559 | * case the accesses fail | |
560 | */ | |
561 | ||
562 | #define ETH_SMI_REG (ORION5X_ETH_VIRT_BASE + 0x2000 + 0x004) | |
563 | #define SMI_BUSY 0x10000000 | |
564 | #define SMI_READ_VALID 0x08000000 | |
565 | #define SMI_OPCODE_READ 0x04000000 | |
566 | #define SMI_OPCODE_WRITE 0x00000000 | |
567 | ||
568 | for (i = 0; i < 1000; i++) { | |
569 | reg = readl(ETH_SMI_REG); | |
570 | if (!(reg & SMI_BUSY)) | |
571 | break; | |
572 | } | |
573 | if (i >= 1000) { | |
574 | pr_warning("DNS-323: Timeout accessing PHY, assuming rev B1\n"); | |
575 | return DNS323_REV_B1; | |
576 | } | |
577 | writel((3 << 21) /* phy ID reg */ | | |
578 | (8 << 16) /* phy addr */ | | |
579 | SMI_OPCODE_READ, ETH_SMI_REG); | |
580 | for (i = 0; i < 1000; i++) { | |
581 | reg = readl(ETH_SMI_REG); | |
582 | if (reg & SMI_READ_VALID) | |
583 | break; | |
584 | } | |
585 | if (i >= 1000) { | |
586 | pr_warning("DNS-323: Timeout reading PHY, assuming rev B1\n"); | |
587 | return DNS323_REV_B1; | |
588 | } | |
589 | pr_debug("DNS-323: Ethernet PHY ID 0x%x\n", reg & 0xffff); | |
590 | ||
591 | /* Note: the Marvell tools mask the ID with 0x3f0 before comparison | |
592 | * but I don't see that making a difference here, at least with | |
593 | * any known Marvell PHY ID | |
594 | */ | |
595 | switch(reg & 0xfff0) { | |
596 | case 0x0cc0: /* MV88E1111 */ | |
597 | return DNS323_REV_B1; | |
598 | case 0x0e10: /* MV88E1118 */ | |
599 | return DNS323_REV_C1; | |
600 | default: | |
601 | pr_warning("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n", | |
602 | reg & 0xffff); | |
603 | } | |
604 | return DNS323_REV_B1; | |
605 | } | |
606 | ||
555a3656 HVR |
607 | static void __init dns323_init(void) |
608 | { | |
609 | /* Setup basic Orion functions. Need to be called early. */ | |
9dd0b194 | 610 | orion5x_init(); |
555a3656 | 611 | |
6e2daa49 BH |
612 | /* Identify revision */ |
613 | system_rev = dns323_identify_rev(); | |
614 | pr_info("DNS-323: Identified HW revision %c1\n", 'A' + system_rev); | |
615 | ||
f93e4159 MP |
616 | /* Just to be tricky, the 5182 has a completely different |
617 | * set of MPP modes to the 5181. | |
618 | */ | |
6e2daa49 BH |
619 | switch(system_rev) { |
620 | case DNS323_REV_A1: | |
621 | orion5x_mpp_conf(dns323a_mpp_modes); | |
f93e4159 | 622 | writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */ |
6e2daa49 BH |
623 | break; |
624 | case DNS323_REV_B1: | |
625 | orion5x_mpp_conf(dns323b_mpp_modes); | |
626 | break; | |
627 | case DNS323_REV_C1: | |
628 | orion5x_mpp_conf(dns323c_mpp_modes); | |
629 | break; | |
f93e4159 | 630 | } |
555a3656 | 631 | |
044f6c7c LB |
632 | /* setup flash mapping |
633 | * CS3 holds a 8 MB Spansion S29GL064M90TFIR4 | |
634 | */ | |
635 | orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE); | |
636 | platform_device_register(&dns323_nor_flash); | |
637 | ||
6e2daa49 BH |
638 | /* Sort out LEDs, Buttons and i2c devices */ |
639 | switch(system_rev) { | |
640 | case DNS323_REV_A1: | |
641 | /* The 5181 power LED is active low and requires | |
642 | * DNS323_GPIO_LED_POWER1 to also be low. | |
643 | */ | |
644 | dns323ab_leds[0].active_low = 1; | |
645 | gpio_request(DNS323_GPIO_LED_POWER1, "Power Led Enable"); | |
646 | gpio_direction_output(DNS323_GPIO_LED_POWER1, 0); | |
647 | /* Fall through */ | |
648 | case DNS323_REV_B1: | |
649 | i2c_register_board_info(0, dns323ab_i2c_devices, | |
650 | ARRAY_SIZE(dns323ab_i2c_devices)); | |
651 | break; | |
652 | case DNS323_REV_C1: | |
653 | /* Hookup LEDs & Buttons */ | |
654 | dns323_gpio_leds.dev.platform_data = &dns323c_led_data; | |
655 | dns323_button_device.dev.platform_data = &dns323c_button_data; | |
656 | ||
657 | /* Hookup i2c devices and fan driver */ | |
658 | i2c_register_board_info(0, dns323c_i2c_devices, | |
659 | ARRAY_SIZE(dns323c_i2c_devices)); | |
660 | platform_device_register_simple("dns323c-fan", 0, NULL, 0); | |
661 | ||
662 | /* Register fixup for the PHY LEDs */ | |
663 | phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118, | |
664 | MARVELL_PHY_ID_MASK, | |
665 | dns323c_phy_fixup); | |
b2a731aa LB |
666 | } |
667 | ||
044f6c7c | 668 | platform_device_register(&dns323_gpio_leds); |
044f6c7c | 669 | platform_device_register(&dns323_button_device); |
555a3656 | 670 | |
a93f44c1 MP |
671 | /* |
672 | * Configure peripherals. | |
673 | */ | |
674 | if (dns323_read_mac_addr() < 0) | |
6e2daa49 | 675 | printk("DNS-323: Failed to read MAC address\n"); |
a93f44c1 MP |
676 | orion5x_ehci0_init(); |
677 | orion5x_eth_init(&dns323_eth_data); | |
678 | orion5x_i2c_init(); | |
679 | orion5x_uart0_init(); | |
680 | ||
6e2daa49 BH |
681 | /* Remaining GPIOs */ |
682 | switch(system_rev) { | |
683 | case DNS323_REV_A1: | |
684 | /* Poweroff GPIO */ | |
685 | if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 || | |
686 | gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0) | |
687 | pr_err("DNS-323: failed to setup power-off GPIO\n"); | |
688 | pm_power_off = dns323a_power_off; | |
689 | break; | |
690 | case DNS323_REV_B1: | |
691 | /* 5182 built-in SATA init */ | |
f93e4159 MP |
692 | orion5x_sata_init(&dns323_sata_data); |
693 | ||
6e2daa49 BH |
694 | /* The DNS323 rev B1 has flag to indicate the system is up. |
695 | * Without this flag set, power LED will flash and cannot be | |
696 | * controlled via leds-gpio. | |
697 | */ | |
698 | if (gpio_request(DNS323_GPIO_SYSTEM_UP, "SYS_READY") == 0) | |
699 | gpio_direction_output(DNS323_GPIO_SYSTEM_UP, 1); | |
700 | ||
701 | /* Poweroff GPIO */ | |
702 | if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 || | |
703 | gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0) | |
704 | pr_err("DNS-323: failed to setup power-off GPIO\n"); | |
cf11052a | 705 | pm_power_off = dns323b_power_off; |
6e2daa49 BH |
706 | break; |
707 | case DNS323_REV_C1: | |
708 | /* 5182 built-in SATA init */ | |
709 | orion5x_sata_init(&dns323_sata_data); | |
710 | ||
711 | /* Poweroff GPIO */ | |
712 | if (gpio_request(DNS323C_GPIO_POWER_OFF, "POWEROFF") != 0 || | |
713 | gpio_direction_output(DNS323C_GPIO_POWER_OFF, 0) != 0) | |
714 | pr_err("DNS-323: failed to setup power-off GPIO\n"); | |
715 | pm_power_off = dns323c_power_off; | |
716 | ||
717 | /* Now, -this- should theorically be done by the sata_mv driver | |
718 | * once I figure out what's going on there. Maybe the behaviour | |
719 | * of the LEDs should be somewhat passed via the platform_data. | |
720 | * for now, just whack the register and make the LEDs happy | |
721 | * | |
722 | * Note: AFAIK, rev B1 needs the same treatement but I'll let | |
723 | * somebody else test it. | |
724 | */ | |
725 | writel(0x5, ORION5X_SATA_VIRT_BASE | 0x2c); | |
726 | break; | |
727 | } | |
555a3656 HVR |
728 | } |
729 | ||
730 | /* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */ | |
731 | MACHINE_START(DNS323, "D-Link DNS-323") | |
732 | /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ | |
555a3656 HVR |
733 | .boot_params = 0x00000100, |
734 | .init_machine = dns323_init, | |
9dd0b194 | 735 | .map_io = orion5x_map_io, |
4ee1f6b5 | 736 | .init_early = orion5x_init_early, |
9dd0b194 LB |
737 | .init_irq = orion5x_init_irq, |
738 | .timer = &orion5x_timer, | |
be73a347 | 739 | .fixup = tag_fixup_mem32, |
555a3656 | 740 | MACHINE_END |