Commit | Line | Data |
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e491a11c MZ |
1 | /* |
2 | * Support for the Arcom ZEUS. | |
3 | * | |
4 | * Copyright (C) 2006 Arcom Control Systems Ltd. | |
5 | * | |
6 | * Loosely based on Arcom's 2.6.16.28. | |
7 | * Maintained by Marc Zyngier <maz@misterjones.org> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/cpufreq.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/irq.h> | |
17 | #include <linux/pm.h> | |
18 | #include <linux/gpio.h> | |
19 | #include <linux/serial_8250.h> | |
20 | #include <linux/dm9000.h> | |
21 | #include <linux/mmc/host.h> | |
22 | #include <linux/spi/spi.h> | |
8348c259 | 23 | #include <linux/spi/pxa2xx_spi.h> |
e491a11c MZ |
24 | #include <linux/mtd/mtd.h> |
25 | #include <linux/mtd/partitions.h> | |
26 | #include <linux/mtd/physmap.h> | |
27 | #include <linux/i2c.h> | |
b459396e | 28 | #include <linux/i2c/pxa-i2c.h> |
5877457a | 29 | #include <linux/platform_data/pca953x.h> |
a1916eb0 | 30 | #include <linux/apm-emulation.h> |
438a22fe | 31 | #include <linux/can/platform/mcp251x.h> |
1ddff7da AS |
32 | #include <linux/regulator/fixed.h> |
33 | #include <linux/regulator/machine.h> | |
e491a11c MZ |
34 | |
35 | #include <asm/mach-types.h> | |
2c74a0ce | 36 | #include <asm/suspend.h> |
9f97da78 | 37 | #include <asm/system_info.h> |
e491a11c MZ |
38 | #include <asm/mach/arch.h> |
39 | #include <asm/mach/map.h> | |
40 | ||
4c25c5d2 | 41 | #include "pxa27x.h" |
e491a11c | 42 | #include <mach/regs-uart.h> |
293b2da1 AB |
43 | #include <linux/platform_data/usb-ohci-pxa27x.h> |
44 | #include <linux/platform_data/mmc-pxamci.h> | |
4c25c5d2 AB |
45 | #include "pxa27x-udc.h" |
46 | #include "udc.h" | |
293b2da1 | 47 | #include <linux/platform_data/video-pxafb.h> |
4c25c5d2 | 48 | #include "pm.h" |
e491a11c | 49 | #include <mach/audio.h> |
293b2da1 | 50 | #include <linux/platform_data/pcmcia-pxa2xx_viper.h> |
4c25c5d2 | 51 | #include "zeus.h" |
ad68bb9f | 52 | #include <mach/smemc.h> |
e491a11c MZ |
53 | |
54 | #include "generic.h" | |
55 | ||
56 | /* | |
57 | * Interrupt handling | |
58 | */ | |
59 | ||
60 | static unsigned long zeus_irq_enabled_mask; | |
61 | static const int zeus_isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, }; | |
62 | static const int zeus_isa_irq_map[] = { | |
63 | 0, /* ISA irq #0, invalid */ | |
64 | 0, /* ISA irq #1, invalid */ | |
65 | 0, /* ISA irq #2, invalid */ | |
66 | 1 << 0, /* ISA irq #3 */ | |
67 | 1 << 1, /* ISA irq #4 */ | |
68 | 1 << 2, /* ISA irq #5 */ | |
69 | 1 << 3, /* ISA irq #6 */ | |
70 | 1 << 4, /* ISA irq #7 */ | |
71 | 0, /* ISA irq #8, invalid */ | |
72 | 0, /* ISA irq #9, invalid */ | |
73 | 1 << 5, /* ISA irq #10 */ | |
74 | 1 << 6, /* ISA irq #11 */ | |
75 | 1 << 7, /* ISA irq #12 */ | |
76 | }; | |
77 | ||
78 | static inline int zeus_irq_to_bitmask(unsigned int irq) | |
79 | { | |
80 | return zeus_isa_irq_map[irq - PXA_ISA_IRQ(0)]; | |
81 | } | |
82 | ||
83 | static inline int zeus_bit_to_irq(int bit) | |
84 | { | |
85 | return zeus_isa_irqs[bit] + PXA_ISA_IRQ(0); | |
86 | } | |
87 | ||
a3f4c927 | 88 | static void zeus_ack_irq(struct irq_data *d) |
e491a11c | 89 | { |
a3f4c927 | 90 | __raw_writew(zeus_irq_to_bitmask(d->irq), ZEUS_CPLD_ISA_IRQ); |
e491a11c MZ |
91 | } |
92 | ||
a3f4c927 | 93 | static void zeus_mask_irq(struct irq_data *d) |
e491a11c | 94 | { |
a3f4c927 | 95 | zeus_irq_enabled_mask &= ~(zeus_irq_to_bitmask(d->irq)); |
e491a11c MZ |
96 | } |
97 | ||
a3f4c927 | 98 | static void zeus_unmask_irq(struct irq_data *d) |
e491a11c | 99 | { |
a3f4c927 | 100 | zeus_irq_enabled_mask |= zeus_irq_to_bitmask(d->irq); |
e491a11c MZ |
101 | } |
102 | ||
103 | static inline unsigned long zeus_irq_pending(void) | |
104 | { | |
105 | return __raw_readw(ZEUS_CPLD_ISA_IRQ) & zeus_irq_enabled_mask; | |
106 | } | |
107 | ||
bd0b9ac4 | 108 | static void zeus_irq_handler(struct irq_desc *desc) |
e491a11c | 109 | { |
6947d04a | 110 | unsigned int irq; |
e491a11c MZ |
111 | unsigned long pending; |
112 | ||
113 | pending = zeus_irq_pending(); | |
114 | do { | |
115 | /* we're in a chained irq handler, | |
116 | * so ack the interrupt by hand */ | |
a3f4c927 | 117 | desc->irq_data.chip->irq_ack(&desc->irq_data); |
e491a11c MZ |
118 | |
119 | if (likely(pending)) { | |
120 | irq = zeus_bit_to_irq(__ffs(pending)); | |
121 | generic_handle_irq(irq); | |
122 | } | |
123 | pending = zeus_irq_pending(); | |
124 | } while (pending); | |
125 | } | |
126 | ||
127 | static struct irq_chip zeus_irq_chip = { | |
a3f4c927 LB |
128 | .name = "ISA", |
129 | .irq_ack = zeus_ack_irq, | |
130 | .irq_mask = zeus_mask_irq, | |
131 | .irq_unmask = zeus_unmask_irq, | |
e491a11c MZ |
132 | }; |
133 | ||
134 | static void __init zeus_init_irq(void) | |
135 | { | |
136 | int level; | |
137 | int isa_irq; | |
138 | ||
139 | pxa27x_init_irq(); | |
140 | ||
141 | /* Peripheral IRQs. It would be nice to move those inside driver | |
142 | configuration, but it is not supported at the moment. */ | |
6845664a TG |
143 | irq_set_irq_type(gpio_to_irq(ZEUS_AC97_GPIO), IRQ_TYPE_EDGE_RISING); |
144 | irq_set_irq_type(gpio_to_irq(ZEUS_WAKEUP_GPIO), IRQ_TYPE_EDGE_RISING); | |
145 | irq_set_irq_type(gpio_to_irq(ZEUS_PTT_GPIO), IRQ_TYPE_EDGE_RISING); | |
146 | irq_set_irq_type(gpio_to_irq(ZEUS_EXTGPIO_GPIO), | |
147 | IRQ_TYPE_EDGE_FALLING); | |
148 | irq_set_irq_type(gpio_to_irq(ZEUS_CAN_GPIO), IRQ_TYPE_EDGE_FALLING); | |
e491a11c MZ |
149 | |
150 | /* Setup ISA IRQs */ | |
151 | for (level = 0; level < ARRAY_SIZE(zeus_isa_irqs); level++) { | |
152 | isa_irq = zeus_bit_to_irq(level); | |
f38c02f3 TG |
153 | irq_set_chip_and_handler(isa_irq, &zeus_irq_chip, |
154 | handle_edge_irq); | |
e8d36d5d | 155 | irq_clear_status_flags(isa_irq, IRQ_NOREQUEST | IRQ_NOPROBE); |
e491a11c MZ |
156 | } |
157 | ||
6845664a TG |
158 | irq_set_irq_type(gpio_to_irq(ZEUS_ISA_GPIO), IRQ_TYPE_EDGE_RISING); |
159 | irq_set_chained_handler(gpio_to_irq(ZEUS_ISA_GPIO), zeus_irq_handler); | |
e491a11c MZ |
160 | } |
161 | ||
162 | ||
163 | /* | |
164 | * Platform devices | |
165 | */ | |
166 | ||
167 | /* Flash */ | |
168 | static struct resource zeus_mtd_resources[] = { | |
169 | [0] = { /* NOR Flash (up to 64MB) */ | |
170 | .start = ZEUS_FLASH_PHYS, | |
171 | .end = ZEUS_FLASH_PHYS + SZ_64M - 1, | |
172 | .flags = IORESOURCE_MEM, | |
173 | }, | |
174 | [1] = { /* SRAM */ | |
175 | .start = ZEUS_SRAM_PHYS, | |
176 | .end = ZEUS_SRAM_PHYS + SZ_512K - 1, | |
177 | .flags = IORESOURCE_MEM, | |
178 | }, | |
179 | }; | |
180 | ||
181 | static struct physmap_flash_data zeus_flash_data[] = { | |
182 | [0] = { | |
183 | .width = 2, | |
184 | .parts = NULL, | |
185 | .nr_parts = 0, | |
186 | }, | |
187 | }; | |
188 | ||
189 | static struct platform_device zeus_mtd_devices[] = { | |
190 | [0] = { | |
191 | .name = "physmap-flash", | |
192 | .id = 0, | |
193 | .dev = { | |
194 | .platform_data = &zeus_flash_data[0], | |
195 | }, | |
196 | .resource = &zeus_mtd_resources[0], | |
197 | .num_resources = 1, | |
198 | }, | |
199 | }; | |
200 | ||
201 | /* Serial */ | |
202 | static struct resource zeus_serial_resources[] = { | |
203 | { | |
204 | .start = 0x10000000, | |
205 | .end = 0x1000000f, | |
206 | .flags = IORESOURCE_MEM, | |
207 | }, | |
208 | { | |
209 | .start = 0x10800000, | |
210 | .end = 0x1080000f, | |
211 | .flags = IORESOURCE_MEM, | |
212 | }, | |
213 | { | |
214 | .start = 0x11000000, | |
215 | .end = 0x1100000f, | |
216 | .flags = IORESOURCE_MEM, | |
217 | }, | |
218 | { | |
219 | .start = 0x40100000, | |
220 | .end = 0x4010001f, | |
221 | .flags = IORESOURCE_MEM, | |
222 | }, | |
223 | { | |
224 | .start = 0x40200000, | |
225 | .end = 0x4020001f, | |
226 | .flags = IORESOURCE_MEM, | |
227 | }, | |
228 | { | |
229 | .start = 0x40700000, | |
230 | .end = 0x4070001f, | |
231 | .flags = IORESOURCE_MEM, | |
232 | }, | |
233 | }; | |
234 | ||
235 | static struct plat_serial8250_port serial_platform_data[] = { | |
236 | /* External UARTs */ | |
237 | /* FIXME: Shared IRQs on COM1-COM4 will not work properly on v1i1 hardware. */ | |
238 | { /* COM1 */ | |
239 | .mapbase = 0x10000000, | |
4929f5a8 | 240 | .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTA_GPIO), |
e491a11c MZ |
241 | .irqflags = IRQF_TRIGGER_RISING, |
242 | .uartclk = 14745600, | |
243 | .regshift = 1, | |
244 | .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
245 | .iotype = UPIO_MEM, | |
246 | }, | |
247 | { /* COM2 */ | |
248 | .mapbase = 0x10800000, | |
4929f5a8 | 249 | .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTB_GPIO), |
e491a11c MZ |
250 | .irqflags = IRQF_TRIGGER_RISING, |
251 | .uartclk = 14745600, | |
252 | .regshift = 1, | |
253 | .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
254 | .iotype = UPIO_MEM, | |
255 | }, | |
256 | { /* COM3 */ | |
257 | .mapbase = 0x11000000, | |
4929f5a8 | 258 | .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTC_GPIO), |
e491a11c MZ |
259 | .irqflags = IRQF_TRIGGER_RISING, |
260 | .uartclk = 14745600, | |
261 | .regshift = 1, | |
262 | .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
263 | .iotype = UPIO_MEM, | |
264 | }, | |
265 | { /* COM4 */ | |
266 | .mapbase = 0x11800000, | |
4929f5a8 | 267 | .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTD_GPIO), |
e491a11c MZ |
268 | .irqflags = IRQF_TRIGGER_RISING, |
269 | .uartclk = 14745600, | |
270 | .regshift = 1, | |
271 | .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
272 | .iotype = UPIO_MEM, | |
273 | }, | |
274 | /* Internal UARTs */ | |
275 | { /* FFUART */ | |
276 | .membase = (void *)&FFUART, | |
277 | .mapbase = __PREG(FFUART), | |
278 | .irq = IRQ_FFUART, | |
279 | .uartclk = 921600 * 16, | |
280 | .regshift = 2, | |
281 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
282 | .iotype = UPIO_MEM, | |
283 | }, | |
284 | { /* BTUART */ | |
285 | .membase = (void *)&BTUART, | |
286 | .mapbase = __PREG(BTUART), | |
287 | .irq = IRQ_BTUART, | |
288 | .uartclk = 921600 * 16, | |
289 | .regshift = 2, | |
290 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
291 | .iotype = UPIO_MEM, | |
292 | }, | |
293 | { /* STUART */ | |
294 | .membase = (void *)&STUART, | |
295 | .mapbase = __PREG(STUART), | |
296 | .irq = IRQ_STUART, | |
297 | .uartclk = 921600 * 16, | |
298 | .regshift = 2, | |
299 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
300 | .iotype = UPIO_MEM, | |
301 | }, | |
302 | { }, | |
303 | }; | |
304 | ||
305 | static struct platform_device zeus_serial_device = { | |
306 | .name = "serial8250", | |
307 | .id = PLAT8250_DEV_PLATFORM, | |
308 | .dev = { | |
309 | .platform_data = serial_platform_data, | |
310 | }, | |
311 | .num_resources = ARRAY_SIZE(zeus_serial_resources), | |
312 | .resource = zeus_serial_resources, | |
313 | }; | |
314 | ||
315 | /* Ethernet */ | |
316 | static struct resource zeus_dm9k0_resource[] = { | |
317 | [0] = { | |
318 | .start = ZEUS_ETH0_PHYS, | |
319 | .end = ZEUS_ETH0_PHYS + 1, | |
320 | .flags = IORESOURCE_MEM | |
321 | }, | |
322 | [1] = { | |
323 | .start = ZEUS_ETH0_PHYS + 2, | |
324 | .end = ZEUS_ETH0_PHYS + 3, | |
325 | .flags = IORESOURCE_MEM | |
326 | }, | |
327 | [2] = { | |
4929f5a8 HZ |
328 | .start = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO), |
329 | .end = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO), | |
e491a11c MZ |
330 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
331 | }, | |
332 | }; | |
333 | ||
334 | static struct resource zeus_dm9k1_resource[] = { | |
335 | [0] = { | |
336 | .start = ZEUS_ETH1_PHYS, | |
337 | .end = ZEUS_ETH1_PHYS + 1, | |
338 | .flags = IORESOURCE_MEM | |
339 | }, | |
340 | [1] = { | |
341 | .start = ZEUS_ETH1_PHYS + 2, | |
342 | .end = ZEUS_ETH1_PHYS + 3, | |
343 | .flags = IORESOURCE_MEM, | |
344 | }, | |
345 | [2] = { | |
4929f5a8 HZ |
346 | .start = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO), |
347 | .end = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO), | |
e491a11c MZ |
348 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
349 | }, | |
350 | }; | |
351 | ||
352 | static struct dm9000_plat_data zeus_dm9k_platdata = { | |
353 | .flags = DM9000_PLATF_16BITONLY, | |
354 | }; | |
355 | ||
356 | static struct platform_device zeus_dm9k0_device = { | |
357 | .name = "dm9000", | |
358 | .id = 0, | |
359 | .num_resources = ARRAY_SIZE(zeus_dm9k0_resource), | |
360 | .resource = zeus_dm9k0_resource, | |
361 | .dev = { | |
362 | .platform_data = &zeus_dm9k_platdata, | |
363 | } | |
364 | }; | |
365 | ||
366 | static struct platform_device zeus_dm9k1_device = { | |
367 | .name = "dm9000", | |
368 | .id = 1, | |
369 | .num_resources = ARRAY_SIZE(zeus_dm9k1_resource), | |
370 | .resource = zeus_dm9k1_resource, | |
371 | .dev = { | |
372 | .platform_data = &zeus_dm9k_platdata, | |
373 | } | |
374 | }; | |
375 | ||
376 | /* External SRAM */ | |
377 | static struct resource zeus_sram_resource = { | |
378 | .start = ZEUS_SRAM_PHYS, | |
379 | .end = ZEUS_SRAM_PHYS + ZEUS_SRAM_SIZE * 2 - 1, | |
380 | .flags = IORESOURCE_MEM, | |
381 | }; | |
382 | ||
383 | static struct platform_device zeus_sram_device = { | |
384 | .name = "pxa2xx-8bit-sram", | |
385 | .id = 0, | |
386 | .num_resources = 1, | |
387 | .resource = &zeus_sram_resource, | |
388 | }; | |
389 | ||
390 | /* SPI interface on SSP3 */ | |
391 | static struct pxa2xx_spi_master pxa2xx_spi_ssp3_master_info = { | |
392 | .num_chipselect = 1, | |
393 | .enable_dma = 1, | |
394 | }; | |
395 | ||
438a22fe | 396 | /* CAN bus on SPI */ |
1ddff7da AS |
397 | static struct regulator_consumer_supply can_regulator_consumer = |
398 | REGULATOR_SUPPLY("vdd", "spi3.0"); | |
438a22fe | 399 | |
1ddff7da AS |
400 | static struct regulator_init_data can_regulator_init_data = { |
401 | .constraints = { | |
402 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
403 | }, | |
404 | .consumer_supplies = &can_regulator_consumer, | |
405 | .num_consumer_supplies = 1, | |
406 | }; | |
438a22fe | 407 | |
1ddff7da AS |
408 | static struct fixed_voltage_config can_regulator_pdata = { |
409 | .supply_name = "CAN_SHDN", | |
410 | .microvolts = 3300000, | |
411 | .gpio = ZEUS_CAN_SHDN_GPIO, | |
412 | .init_data = &can_regulator_init_data, | |
413 | }; | |
438a22fe | 414 | |
1ddff7da | 415 | static struct platform_device can_regulator_device = { |
5c0c75d3 | 416 | .name = "reg-fixed-voltage", |
541e00ae | 417 | .id = 0, |
1ddff7da AS |
418 | .dev = { |
419 | .platform_data = &can_regulator_pdata, | |
420 | }, | |
421 | }; | |
438a22fe MZ |
422 | |
423 | static struct mcp251x_platform_data zeus_mcp2515_pdata = { | |
424 | .oscillator_frequency = 16*1000*1000, | |
438a22fe MZ |
425 | }; |
426 | ||
427 | static struct spi_board_info zeus_spi_board_info[] = { | |
428 | [0] = { | |
e446630c | 429 | .modalias = "mcp2515", |
438a22fe | 430 | .platform_data = &zeus_mcp2515_pdata, |
4929f5a8 | 431 | .irq = PXA_GPIO_TO_IRQ(ZEUS_CAN_GPIO), |
438a22fe MZ |
432 | .max_speed_hz = 1*1000*1000, |
433 | .bus_num = 3, | |
434 | .mode = SPI_MODE_0, | |
435 | .chip_select = 0, | |
e491a11c MZ |
436 | }, |
437 | }; | |
438 | ||
439 | /* Leds */ | |
440 | static struct gpio_led zeus_leds[] = { | |
441 | [0] = { | |
442 | .name = "zeus:yellow:1", | |
443 | .default_trigger = "heartbeat", | |
444 | .gpio = ZEUS_EXT0_GPIO(3), | |
445 | .active_low = 1, | |
446 | }, | |
447 | [1] = { | |
448 | .name = "zeus:yellow:2", | |
449 | .default_trigger = "default-on", | |
450 | .gpio = ZEUS_EXT0_GPIO(4), | |
451 | .active_low = 1, | |
452 | }, | |
453 | [2] = { | |
454 | .name = "zeus:yellow:3", | |
455 | .default_trigger = "default-on", | |
456 | .gpio = ZEUS_EXT0_GPIO(5), | |
457 | .active_low = 1, | |
458 | }, | |
459 | }; | |
460 | ||
461 | static struct gpio_led_platform_data zeus_leds_info = { | |
462 | .leds = zeus_leds, | |
463 | .num_leds = ARRAY_SIZE(zeus_leds), | |
464 | }; | |
465 | ||
466 | static struct platform_device zeus_leds_device = { | |
467 | .name = "leds-gpio", | |
468 | .id = -1, | |
469 | .dev = { | |
470 | .platform_data = &zeus_leds_info, | |
471 | }, | |
472 | }; | |
473 | ||
c2de1c38 MZ |
474 | static void zeus_cf_reset(int state) |
475 | { | |
476 | u16 cpld_state = __raw_readw(ZEUS_CPLD_CONTROL); | |
477 | ||
478 | if (state) | |
479 | cpld_state |= ZEUS_CPLD_CONTROL_CF_RST; | |
480 | else | |
481 | cpld_state &= ~ZEUS_CPLD_CONTROL_CF_RST; | |
482 | ||
483 | __raw_writew(cpld_state, ZEUS_CPLD_CONTROL); | |
484 | } | |
485 | ||
486 | static struct arcom_pcmcia_pdata zeus_pcmcia_info = { | |
487 | .cd_gpio = ZEUS_CF_CD_GPIO, | |
488 | .rdy_gpio = ZEUS_CF_RDY_GPIO, | |
489 | .pwr_gpio = ZEUS_CF_PWEN_GPIO, | |
490 | .reset = zeus_cf_reset, | |
491 | }; | |
492 | ||
493 | static struct platform_device zeus_pcmcia_device = { | |
494 | .name = "zeus-pcmcia", | |
495 | .id = -1, | |
496 | .dev = { | |
497 | .platform_data = &zeus_pcmcia_info, | |
498 | }, | |
499 | }; | |
500 | ||
fcfdc67f MZ |
501 | static struct resource zeus_max6369_resource = { |
502 | .start = ZEUS_CPLD_EXTWDOG_PHYS, | |
503 | .end = ZEUS_CPLD_EXTWDOG_PHYS, | |
504 | .flags = IORESOURCE_MEM, | |
505 | }; | |
506 | ||
507 | struct platform_device zeus_max6369_device = { | |
508 | .name = "max6369_wdt", | |
509 | .id = -1, | |
510 | .resource = &zeus_max6369_resource, | |
511 | .num_resources = 1, | |
512 | }; | |
513 | ||
e491a11c MZ |
514 | /* AC'97 */ |
515 | static pxa2xx_audio_ops_t zeus_ac97_info = { | |
516 | .reset_gpio = 95, | |
517 | }; | |
518 | ||
519 | ||
520 | /* | |
521 | * USB host | |
522 | */ | |
523 | ||
541e00ae LP |
524 | static struct regulator_consumer_supply zeus_ohci_regulator_supplies[] = { |
525 | REGULATOR_SUPPLY("vbus2", "pxa27x-ohci"), | |
526 | }; | |
e491a11c | 527 | |
541e00ae LP |
528 | static struct regulator_init_data zeus_ohci_regulator_data = { |
529 | .constraints = { | |
530 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
531 | }, | |
532 | .num_consumer_supplies = ARRAY_SIZE(zeus_ohci_regulator_supplies), | |
533 | .consumer_supplies = zeus_ohci_regulator_supplies, | |
534 | }; | |
e491a11c | 535 | |
541e00ae LP |
536 | static struct fixed_voltage_config zeus_ohci_regulator_config = { |
537 | .supply_name = "vbus2", | |
538 | .microvolts = 5000000, /* 5.0V */ | |
539 | .gpio = ZEUS_USB2_PWREN_GPIO, | |
540 | .enable_high = 1, | |
541 | .startup_delay = 0, | |
542 | .init_data = &zeus_ohci_regulator_data, | |
543 | }; | |
e491a11c | 544 | |
541e00ae LP |
545 | static struct platform_device zeus_ohci_regulator_device = { |
546 | .name = "reg-fixed-voltage", | |
547 | .id = 1, | |
548 | .dev = { | |
549 | .platform_data = &zeus_ohci_regulator_config, | |
550 | }, | |
551 | }; | |
e491a11c MZ |
552 | |
553 | static struct pxaohci_platform_data zeus_ohci_platform_data = { | |
554 | .port_mode = PMM_NPS_MODE, | |
7ff27dfa MZ |
555 | /* Clear Power Control Polarity Low and set Power Sense |
556 | * Polarity Low. Supply power to USB ports. */ | |
557 | .flags = ENABLE_PORT_ALL | POWER_SENSE_LOW, | |
e491a11c MZ |
558 | }; |
559 | ||
541e00ae LP |
560 | static void zeus_register_ohci(void) |
561 | { | |
562 | /* Port 2 is shared between host and client interface. */ | |
563 | UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE; | |
564 | ||
565 | pxa_set_ohci_info(&zeus_ohci_platform_data); | |
566 | } | |
567 | ||
e491a11c MZ |
568 | /* |
569 | * Flat Panel | |
570 | */ | |
571 | ||
572 | static void zeus_lcd_power(int on, struct fb_var_screeninfo *si) | |
573 | { | |
574 | gpio_set_value(ZEUS_LCD_EN_GPIO, on); | |
575 | } | |
576 | ||
577 | static void zeus_backlight_power(int on) | |
578 | { | |
579 | gpio_set_value(ZEUS_BKLEN_GPIO, on); | |
580 | } | |
581 | ||
582 | static int zeus_setup_fb_gpios(void) | |
583 | { | |
584 | int err; | |
585 | ||
586 | if ((err = gpio_request(ZEUS_LCD_EN_GPIO, "LCD_EN"))) | |
587 | goto out_err; | |
588 | ||
589 | if ((err = gpio_direction_output(ZEUS_LCD_EN_GPIO, 0))) | |
590 | goto out_err_lcd; | |
591 | ||
592 | if ((err = gpio_request(ZEUS_BKLEN_GPIO, "BKLEN"))) | |
593 | goto out_err_lcd; | |
594 | ||
595 | if ((err = gpio_direction_output(ZEUS_BKLEN_GPIO, 0))) | |
596 | goto out_err_bkl; | |
597 | ||
598 | return 0; | |
599 | ||
600 | out_err_bkl: | |
601 | gpio_free(ZEUS_BKLEN_GPIO); | |
602 | out_err_lcd: | |
603 | gpio_free(ZEUS_LCD_EN_GPIO); | |
604 | out_err: | |
605 | return err; | |
606 | } | |
607 | ||
608 | static struct pxafb_mode_info zeus_fb_mode_info[] = { | |
609 | { | |
610 | .pixclock = 39722, | |
611 | ||
612 | .xres = 640, | |
613 | .yres = 480, | |
614 | ||
615 | .bpp = 16, | |
616 | ||
617 | .hsync_len = 63, | |
618 | .left_margin = 16, | |
619 | .right_margin = 81, | |
620 | ||
621 | .vsync_len = 2, | |
622 | .upper_margin = 12, | |
623 | .lower_margin = 31, | |
624 | ||
625 | .sync = 0, | |
626 | }, | |
627 | }; | |
628 | ||
629 | static struct pxafb_mach_info zeus_fb_info = { | |
630 | .modes = zeus_fb_mode_info, | |
631 | .num_modes = 1, | |
632 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
633 | .pxafb_lcd_power = zeus_lcd_power, | |
634 | .pxafb_backlight_power = zeus_backlight_power, | |
635 | }; | |
636 | ||
637 | /* | |
638 | * MMC/SD Device | |
639 | * | |
640 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
641 | * to give the card a chance to fully insert/eject. | |
642 | */ | |
643 | ||
644 | static struct pxamci_platform_data zeus_mci_platform_data = { | |
645 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
f97cab28 | 646 | .detect_delay_ms = 250, |
e491a11c MZ |
647 | .gpio_card_detect = ZEUS_MMC_CD_GPIO, |
648 | .gpio_card_ro = ZEUS_MMC_WP_GPIO, | |
649 | .gpio_card_ro_invert = 1, | |
650 | .gpio_power = -1 | |
651 | }; | |
652 | ||
653 | /* | |
654 | * USB Device Controller | |
655 | */ | |
656 | static void zeus_udc_command(int cmd) | |
657 | { | |
658 | switch (cmd) { | |
659 | case PXA2XX_UDC_CMD_DISCONNECT: | |
660 | pr_info("zeus: disconnecting USB client\n"); | |
661 | UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE; | |
662 | break; | |
663 | ||
664 | case PXA2XX_UDC_CMD_CONNECT: | |
665 | pr_info("zeus: connecting USB client\n"); | |
666 | UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE; | |
667 | break; | |
668 | } | |
669 | } | |
670 | ||
671 | static struct pxa2xx_udc_mach_info zeus_udc_info = { | |
672 | .udc_command = zeus_udc_command, | |
673 | }; | |
674 | ||
541e00ae LP |
675 | static struct platform_device *zeus_devices[] __initdata = { |
676 | &zeus_serial_device, | |
677 | &zeus_mtd_devices[0], | |
678 | &zeus_dm9k0_device, | |
679 | &zeus_dm9k1_device, | |
680 | &zeus_sram_device, | |
681 | &zeus_leds_device, | |
682 | &zeus_pcmcia_device, | |
683 | &zeus_max6369_device, | |
684 | &can_regulator_device, | |
685 | &zeus_ohci_regulator_device, | |
686 | }; | |
687 | ||
98acdbe4 | 688 | #ifdef CONFIG_PM |
e491a11c MZ |
689 | static void zeus_power_off(void) |
690 | { | |
691 | local_irq_disable(); | |
2c74a0ce | 692 | cpu_suspend(PWRMODE_DEEPSLEEP, pxa27x_finish_suspend); |
e491a11c | 693 | } |
98acdbe4 SS |
694 | #else |
695 | #define zeus_power_off NULL | |
696 | #endif | |
e491a11c | 697 | |
a1916eb0 MZ |
698 | #ifdef CONFIG_APM_EMULATION |
699 | static void zeus_get_power_status(struct apm_power_info *info) | |
700 | { | |
701 | /* Power supply is always present */ | |
702 | info->ac_line_status = APM_AC_ONLINE; | |
703 | info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT; | |
704 | info->battery_flag = APM_BATTERY_FLAG_NOT_PRESENT; | |
705 | } | |
706 | ||
707 | static inline void zeus_setup_apm(void) | |
708 | { | |
709 | apm_get_power_status = zeus_get_power_status; | |
710 | } | |
711 | #else | |
712 | static inline void zeus_setup_apm(void) | |
713 | { | |
714 | } | |
715 | #endif | |
716 | ||
100627b4 MZ |
717 | static int zeus_get_pcb_info(struct i2c_client *client, unsigned gpio, |
718 | unsigned ngpio, void *context) | |
e491a11c MZ |
719 | { |
720 | int i; | |
721 | u8 pcb_info = 0; | |
722 | ||
723 | for (i = 0; i < 8; i++) { | |
724 | int pcb_bit = gpio + i + 8; | |
725 | ||
726 | if (gpio_request(pcb_bit, "pcb info")) { | |
727 | dev_err(&client->dev, "Can't request pcb info %d\n", i); | |
728 | continue; | |
729 | } | |
730 | ||
731 | if (gpio_direction_input(pcb_bit)) { | |
732 | dev_err(&client->dev, "Can't read pcb info %d\n", i); | |
733 | gpio_free(pcb_bit); | |
734 | continue; | |
735 | } | |
736 | ||
737 | pcb_info |= !!gpio_get_value(pcb_bit) << i; | |
738 | ||
739 | gpio_free(pcb_bit); | |
740 | } | |
741 | ||
742 | dev_info(&client->dev, "Zeus PCB version %d issue %d\n", | |
743 | pcb_info >> 4, pcb_info & 0xf); | |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
748 | static struct pca953x_platform_data zeus_pca953x_pdata[] = { | |
749 | [0] = { .gpio_base = ZEUS_EXT0_GPIO_BASE, }, | |
750 | [1] = { | |
751 | .gpio_base = ZEUS_EXT1_GPIO_BASE, | |
752 | .setup = zeus_get_pcb_info, | |
753 | }, | |
754 | [2] = { .gpio_base = ZEUS_USER_GPIO_BASE, }, | |
755 | }; | |
756 | ||
757 | static struct i2c_board_info __initdata zeus_i2c_devices[] = { | |
758 | { | |
759 | I2C_BOARD_INFO("pca9535", 0x21), | |
760 | .platform_data = &zeus_pca953x_pdata[0], | |
761 | }, | |
762 | { | |
763 | I2C_BOARD_INFO("pca9535", 0x22), | |
764 | .platform_data = &zeus_pca953x_pdata[1], | |
765 | }, | |
766 | { | |
767 | I2C_BOARD_INFO("pca9535", 0x20), | |
768 | .platform_data = &zeus_pca953x_pdata[2], | |
4929f5a8 | 769 | .irq = PXA_GPIO_TO_IRQ(ZEUS_EXTGPIO_GPIO), |
e491a11c MZ |
770 | }, |
771 | { I2C_BOARD_INFO("lm75a", 0x48) }, | |
772 | { I2C_BOARD_INFO("24c01", 0x50) }, | |
773 | { I2C_BOARD_INFO("isl1208", 0x6f) }, | |
774 | }; | |
775 | ||
776 | static mfp_cfg_t zeus_pin_config[] __initdata = { | |
c11b6a42 EM |
777 | /* AC97 */ |
778 | GPIO28_AC97_BITCLK, | |
779 | GPIO29_AC97_SDATA_IN_0, | |
780 | GPIO30_AC97_SDATA_OUT, | |
781 | GPIO31_AC97_SYNC, | |
782 | ||
e491a11c MZ |
783 | GPIO15_nCS_1, |
784 | GPIO78_nCS_2, | |
785 | GPIO80_nCS_4, | |
786 | GPIO33_nCS_5, | |
787 | ||
788 | GPIO22_GPIO, | |
789 | GPIO32_MMC_CLK, | |
790 | GPIO92_MMC_DAT_0, | |
791 | GPIO109_MMC_DAT_1, | |
792 | GPIO110_MMC_DAT_2, | |
793 | GPIO111_MMC_DAT_3, | |
794 | GPIO112_MMC_CMD, | |
795 | ||
796 | GPIO88_USBH1_PWR, | |
797 | GPIO89_USBH1_PEN, | |
798 | GPIO119_USBH2_PWR, | |
799 | GPIO120_USBH2_PEN, | |
800 | ||
801 | GPIO86_LCD_LDD_16, | |
802 | GPIO87_LCD_LDD_17, | |
803 | ||
804 | GPIO102_GPIO, | |
805 | GPIO104_CIF_DD_2, | |
806 | GPIO105_CIF_DD_1, | |
807 | ||
438a22fe MZ |
808 | GPIO81_SSP3_TXD, |
809 | GPIO82_SSP3_RXD, | |
810 | GPIO83_SSP3_SFRM, | |
811 | GPIO84_SSP3_SCLK, | |
812 | ||
e491a11c MZ |
813 | GPIO48_nPOE, |
814 | GPIO49_nPWE, | |
815 | GPIO50_nPIOR, | |
816 | GPIO51_nPIOW, | |
817 | GPIO85_nPCE_1, | |
818 | GPIO54_nPCE_2, | |
819 | GPIO79_PSKTSEL, | |
820 | GPIO55_nPREG, | |
821 | GPIO56_nPWAIT, | |
822 | GPIO57_nIOIS16, | |
823 | GPIO36_GPIO, /* CF CD */ | |
824 | GPIO97_GPIO, /* CF PWREN */ | |
825 | GPIO99_GPIO, /* CF RDY */ | |
826 | }; | |
827 | ||
5f86ceba MZ |
828 | /* |
829 | * DM9k MSCx settings: SRAM, 16 bits | |
830 | * 17 cycles delay first access | |
831 | * 5 cycles delay next access | |
832 | * 13 cycles recovery time | |
833 | * faster device | |
834 | */ | |
835 | #define DM9K_MSC_VALUE 0xe4c9 | |
836 | ||
e491a11c MZ |
837 | static void __init zeus_init(void) |
838 | { | |
5f86ceba | 839 | u16 dm9000_msc = DM9K_MSC_VALUE; |
ad68bb9f | 840 | u32 msc0, msc1; |
e491a11c MZ |
841 | |
842 | system_rev = __raw_readw(ZEUS_CPLD_VERSION); | |
843 | pr_info("Zeus CPLD V%dI%d\n", (system_rev & 0xf0) >> 4, (system_rev & 0x0f)); | |
844 | ||
845 | /* Fix timings for dm9000s (CS1/CS2)*/ | |
bc3e55c6 MV |
846 | msc0 = (__raw_readl(MSC0) & 0x0000ffff) | (dm9000_msc << 16); |
847 | msc1 = (__raw_readl(MSC1) & 0xffff0000) | dm9000_msc; | |
ad68bb9f MV |
848 | __raw_writel(msc0, MSC0); |
849 | __raw_writel(msc1, MSC1); | |
e491a11c MZ |
850 | |
851 | pm_power_off = zeus_power_off; | |
a1916eb0 | 852 | zeus_setup_apm(); |
e491a11c MZ |
853 | |
854 | pxa2xx_mfp_config(ARRAY_AND_SIZE(zeus_pin_config)); | |
855 | ||
856 | platform_add_devices(zeus_devices, ARRAY_SIZE(zeus_devices)); | |
857 | ||
541e00ae | 858 | zeus_register_ohci(); |
e491a11c MZ |
859 | |
860 | if (zeus_setup_fb_gpios()) | |
861 | pr_err("Failed to setup fb gpios\n"); | |
862 | else | |
4321e1a1 | 863 | pxa_set_fb_info(NULL, &zeus_fb_info); |
e491a11c MZ |
864 | |
865 | pxa_set_mci_info(&zeus_mci_platform_data); | |
866 | pxa_set_udc_info(&zeus_udc_info); | |
867 | pxa_set_ac97_info(&zeus_ac97_info); | |
868 | pxa_set_i2c_info(NULL); | |
869 | i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices)); | |
438a22fe MZ |
870 | pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info); |
871 | spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info)); | |
a927ef89 RJ |
872 | |
873 | regulator_has_full_constraints(); | |
e491a11c MZ |
874 | } |
875 | ||
876 | static struct map_desc zeus_io_desc[] __initdata = { | |
877 | { | |
97b09da4 | 878 | .virtual = (unsigned long)ZEUS_CPLD_VERSION, |
e491a11c MZ |
879 | .pfn = __phys_to_pfn(ZEUS_CPLD_VERSION_PHYS), |
880 | .length = 0x1000, | |
881 | .type = MT_DEVICE, | |
882 | }, | |
883 | { | |
97b09da4 | 884 | .virtual = (unsigned long)ZEUS_CPLD_ISA_IRQ, |
e491a11c MZ |
885 | .pfn = __phys_to_pfn(ZEUS_CPLD_ISA_IRQ_PHYS), |
886 | .length = 0x1000, | |
887 | .type = MT_DEVICE, | |
888 | }, | |
889 | { | |
97b09da4 | 890 | .virtual = (unsigned long)ZEUS_CPLD_CONTROL, |
e491a11c MZ |
891 | .pfn = __phys_to_pfn(ZEUS_CPLD_CONTROL_PHYS), |
892 | .length = 0x1000, | |
893 | .type = MT_DEVICE, | |
894 | }, | |
e491a11c | 895 | { |
97b09da4 | 896 | .virtual = (unsigned long)ZEUS_PC104IO, |
e491a11c MZ |
897 | .pfn = __phys_to_pfn(ZEUS_PC104IO_PHYS), |
898 | .length = 0x00800000, | |
899 | .type = MT_DEVICE, | |
900 | }, | |
901 | }; | |
902 | ||
903 | static void __init zeus_map_io(void) | |
904 | { | |
851982c1 | 905 | pxa27x_map_io(); |
e491a11c MZ |
906 | |
907 | iotable_init(zeus_io_desc, ARRAY_SIZE(zeus_io_desc)); | |
908 | ||
909 | /* Clear PSPR to ensure a full restart on wake-up. */ | |
910 | PMCR = PSPR = 0; | |
911 | ||
912 | /* enable internal 32.768Khz oscillator (ignore OSCC_OOK) */ | |
ea7743e2 | 913 | writel(readl(OSCC) | OSCC_OON, OSCC); |
e491a11c MZ |
914 | |
915 | /* Some clock cycles later (from OSCC_ON), programme PCFR (OPDE...). | |
916 | * float chip selects and PCMCIA */ | |
917 | PCFR = PCFR_OPDE | PCFR_DC_EN | PCFR_FS | PCFR_FP; | |
918 | } | |
919 | ||
90ac0dfd | 920 | MACHINE_START(ARCOM_ZEUS, "Arcom/Eurotech ZEUS") |
e491a11c | 921 | /* Maintainer: Marc Zyngier <maz@misterjones.org> */ |
7375aba6 | 922 | .atag_offset = 0x100, |
e491a11c | 923 | .map_io = zeus_map_io, |
6ac6b817 | 924 | .nr_irqs = ZEUS_NR_IRQS, |
e491a11c | 925 | .init_irq = zeus_init_irq, |
8a97ae2f | 926 | .handle_irq = pxa27x_handle_irq, |
6bb27d73 | 927 | .init_time = pxa_timer_init, |
e491a11c | 928 | .init_machine = zeus_init, |
271a74fc | 929 | .restart = pxa_restart, |
e491a11c MZ |
930 | MACHINE_END |
931 |