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3696a8a4 | 1 | /* |
da591937 | 2 | * linux/arch/arm/mach-pxa/cm-x2xx.c |
3696a8a4 | 3 | * |
4adc5fb6 | 4 | * Copyright (C) 2008 CompuLab, Ltd. |
3696a8a4 MR |
5 | * Mike Rapoport <mike@compulab.co.il> |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
3696a8a4 | 12 | #include <linux/platform_device.h> |
3696a8a4 | 13 | #include <linux/sysdev.h> |
2f01a973 MR |
14 | #include <linux/irq.h> |
15 | #include <linux/gpio.h> | |
3696a8a4 MR |
16 | |
17 | #include <linux/dm9000.h> | |
2f01a973 | 18 | #include <linux/leds.h> |
3696a8a4 MR |
19 | |
20 | #include <asm/mach/arch.h> | |
21 | #include <asm/mach-types.h> | |
22 | #include <asm/mach/map.h> | |
23 | ||
a09e64fb RK |
24 | #include <mach/pxa2xx-regs.h> |
25 | #include <mach/mfp-pxa27x.h> | |
26 | #include <mach/pxa-regs.h> | |
27 | #include <mach/audio.h> | |
28 | #include <mach/pxafb.h> | |
3696a8a4 MR |
29 | |
30 | #include <asm/hardware/it8152.h> | |
31 | ||
32 | #include "generic.h" | |
7d76e3f1 | 33 | #include "cm-x2xx-pci.h" |
3696a8a4 | 34 | |
4adc5fb6 MR |
35 | extern void cmx270_init(void); |
36 | ||
2f01a973 | 37 | /* virtual addresses for statically mapped regions */ |
da591937 MR |
38 | #define CMX2XX_VIRT_BASE (0xe8000000) |
39 | #define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE) | |
2f01a973 | 40 | |
4adc5fb6 | 41 | /* physical address if local-bus attached devices */ |
da591937 MR |
42 | #define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22)) |
43 | ||
44 | /* leds */ | |
45 | #define CMX270_GPIO_RED (93) | |
46 | #define CMX270_GPIO_GREEN (94) | |
3696a8a4 | 47 | |
2f01a973 MR |
48 | /* GPIO IRQ usage */ |
49 | #define GPIO10_ETHIRQ (10) | |
da591937 | 50 | #define CMX270_GPIO_IT8152_IRQ (22) |
2f01a973 MR |
51 | |
52 | #define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ) | |
2f01a973 MR |
53 | |
54 | #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) | |
55 | static struct resource cmx270_dm9000_resource[] = { | |
3696a8a4 | 56 | [0] = { |
da591937 MR |
57 | .start = CMX270_DM9000_PHYS_BASE, |
58 | .end = CMX270_DM9000_PHYS_BASE + 3, | |
3696a8a4 MR |
59 | .flags = IORESOURCE_MEM, |
60 | }, | |
61 | [1] = { | |
da591937 MR |
62 | .start = CMX270_DM9000_PHYS_BASE + 8, |
63 | .end = CMX270_DM9000_PHYS_BASE + 8 + 500, | |
3696a8a4 MR |
64 | .flags = IORESOURCE_MEM, |
65 | }, | |
66 | [2] = { | |
67 | .start = CMX270_ETHIRQ, | |
68 | .end = CMX270_ETHIRQ, | |
2f01a973 | 69 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
3696a8a4 MR |
70 | } |
71 | }; | |
72 | ||
2f01a973 | 73 | static struct dm9000_plat_data cmx270_dm9000_platdata = { |
3696a8a4 MR |
74 | .flags = DM9000_PLATF_32BITONLY, |
75 | }; | |
76 | ||
da591937 | 77 | static struct platform_device cmx2xx_dm9000_device = { |
3696a8a4 MR |
78 | .name = "dm9000", |
79 | .id = 0, | |
2f01a973 | 80 | .num_resources = ARRAY_SIZE(cmx270_dm9000_resource), |
3696a8a4 | 81 | .dev = { |
2f01a973 | 82 | .platform_data = &cmx270_dm9000_platdata, |
3696a8a4 MR |
83 | } |
84 | }; | |
85 | ||
da591937 | 86 | static void __init cmx2xx_init_dm9000(void) |
2f01a973 | 87 | { |
da591937 MR |
88 | cmx2xx_dm9000_device.resource = cmx270_dm9000_resource, |
89 | platform_device_register(&cmx2xx_dm9000_device); | |
2f01a973 MR |
90 | } |
91 | #else | |
da591937 | 92 | static inline void cmx2xx_init_dm9000(void) {} |
2f01a973 MR |
93 | #endif |
94 | ||
95 | /* UCB1400 touchscreen controller */ | |
96 | #if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) | |
da591937 | 97 | static struct platform_device cmx2xx_ts_device = { |
3696a8a4 MR |
98 | .name = "ucb1400_ts", |
99 | .id = -1, | |
100 | }; | |
101 | ||
da591937 | 102 | static void __init cmx2xx_init_touchscreen(void) |
2f01a973 | 103 | { |
da591937 | 104 | platform_device_register(&cmx2xx_ts_device); |
2f01a973 MR |
105 | } |
106 | #else | |
da591937 | 107 | static inline void cmx2xx_init_touchscreen(void) {} |
2f01a973 MR |
108 | #endif |
109 | ||
2f01a973 MR |
110 | /* CM-X270 LEDs */ |
111 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) | |
da591937 | 112 | static struct gpio_led cmx2xx_leds[] = { |
2f01a973 | 113 | [0] = { |
da591937 | 114 | .name = "cm-x2xx:red", |
2f01a973 | 115 | .default_trigger = "nand-disk", |
2f01a973 MR |
116 | .active_low = 1, |
117 | }, | |
118 | [1] = { | |
da591937 | 119 | .name = "cm-x2xx:green", |
2f01a973 | 120 | .default_trigger = "heartbeat", |
2f01a973 MR |
121 | .active_low = 1, |
122 | }, | |
123 | }; | |
124 | ||
da591937 MR |
125 | static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = { |
126 | .num_leds = ARRAY_SIZE(cmx2xx_leds), | |
127 | .leds = cmx2xx_leds, | |
2f01a973 MR |
128 | }; |
129 | ||
da591937 | 130 | static struct platform_device cmx2xx_led_device = { |
2f01a973 | 131 | .name = "leds-gpio", |
3696a8a4 | 132 | .id = -1, |
2f01a973 | 133 | .dev = { |
da591937 | 134 | .platform_data = &cmx2xx_gpio_led_pdata, |
2f01a973 | 135 | }, |
3696a8a4 MR |
136 | }; |
137 | ||
da591937 | 138 | static void __init cmx2xx_init_leds(void) |
2f01a973 | 139 | { |
da591937 MR |
140 | cmx2xx_leds[0].gpio = CMX270_GPIO_RED; |
141 | cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN; | |
142 | platform_device_register(&cmx2xx_led_device); | |
2f01a973 MR |
143 | } |
144 | #else | |
da591937 | 145 | static inline void cmx2xx_init_leds(void) {} |
2f01a973 MR |
146 | #endif |
147 | ||
2f01a973 | 148 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
3696a8a4 MR |
149 | /* |
150 | Display definitions | |
151 | keep these for backwards compatibility, although symbolic names (as | |
152 | e.g. in lpd270.c) looks better | |
153 | */ | |
154 | #define MTYPE_STN320x240 0 | |
155 | #define MTYPE_TFT640x480 1 | |
156 | #define MTYPE_CRT640x480 2 | |
157 | #define MTYPE_CRT800x600 3 | |
158 | #define MTYPE_TFT320x240 6 | |
159 | #define MTYPE_STN640x480 7 | |
160 | ||
161 | static struct pxafb_mode_info generic_stn_320x240_mode = { | |
162 | .pixclock = 76923, | |
163 | .bpp = 8, | |
164 | .xres = 320, | |
165 | .yres = 240, | |
166 | .hsync_len = 3, | |
167 | .vsync_len = 2, | |
168 | .left_margin = 3, | |
169 | .upper_margin = 0, | |
170 | .right_margin = 3, | |
171 | .lower_margin = 0, | |
172 | .sync = (FB_SYNC_HOR_HIGH_ACT | | |
173 | FB_SYNC_VERT_HIGH_ACT), | |
174 | .cmap_greyscale = 0, | |
175 | }; | |
176 | ||
177 | static struct pxafb_mach_info generic_stn_320x240 = { | |
178 | .modes = &generic_stn_320x240_mode, | |
179 | .num_modes = 1, | |
180 | .lccr0 = 0, | |
181 | .lccr3 = (LCCR3_PixClkDiv(0x03) | | |
182 | LCCR3_Acb(0xff) | | |
183 | LCCR3_PCP), | |
184 | .cmap_inverse = 0, | |
185 | .cmap_static = 0, | |
186 | }; | |
187 | ||
188 | static struct pxafb_mode_info generic_tft_640x480_mode = { | |
189 | .pixclock = 38461, | |
190 | .bpp = 8, | |
191 | .xres = 640, | |
192 | .yres = 480, | |
193 | .hsync_len = 60, | |
194 | .vsync_len = 2, | |
195 | .left_margin = 70, | |
196 | .upper_margin = 10, | |
197 | .right_margin = 70, | |
198 | .lower_margin = 5, | |
199 | .sync = 0, | |
200 | .cmap_greyscale = 0, | |
201 | }; | |
202 | ||
203 | static struct pxafb_mach_info generic_tft_640x480 = { | |
204 | .modes = &generic_tft_640x480_mode, | |
205 | .num_modes = 1, | |
206 | .lccr0 = (LCCR0_PAS), | |
207 | .lccr3 = (LCCR3_PixClkDiv(0x01) | | |
208 | LCCR3_Acb(0xff) | | |
209 | LCCR3_PCP), | |
210 | .cmap_inverse = 0, | |
211 | .cmap_static = 0, | |
212 | }; | |
213 | ||
214 | static struct pxafb_mode_info generic_crt_640x480_mode = { | |
215 | .pixclock = 38461, | |
216 | .bpp = 8, | |
217 | .xres = 640, | |
218 | .yres = 480, | |
219 | .hsync_len = 63, | |
220 | .vsync_len = 2, | |
221 | .left_margin = 81, | |
222 | .upper_margin = 33, | |
223 | .right_margin = 16, | |
224 | .lower_margin = 10, | |
225 | .sync = (FB_SYNC_HOR_HIGH_ACT | | |
226 | FB_SYNC_VERT_HIGH_ACT), | |
227 | .cmap_greyscale = 0, | |
228 | }; | |
229 | ||
230 | static struct pxafb_mach_info generic_crt_640x480 = { | |
231 | .modes = &generic_crt_640x480_mode, | |
232 | .num_modes = 1, | |
233 | .lccr0 = (LCCR0_PAS), | |
234 | .lccr3 = (LCCR3_PixClkDiv(0x01) | | |
235 | LCCR3_Acb(0xff)), | |
236 | .cmap_inverse = 0, | |
237 | .cmap_static = 0, | |
238 | }; | |
239 | ||
240 | static struct pxafb_mode_info generic_crt_800x600_mode = { | |
241 | .pixclock = 28846, | |
242 | .bpp = 8, | |
243 | .xres = 800, | |
244 | .yres = 600, | |
245 | .hsync_len = 63, | |
246 | .vsync_len = 2, | |
247 | .left_margin = 26, | |
248 | .upper_margin = 21, | |
249 | .right_margin = 26, | |
250 | .lower_margin = 11, | |
251 | .sync = (FB_SYNC_HOR_HIGH_ACT | | |
252 | FB_SYNC_VERT_HIGH_ACT), | |
253 | .cmap_greyscale = 0, | |
254 | }; | |
255 | ||
256 | static struct pxafb_mach_info generic_crt_800x600 = { | |
257 | .modes = &generic_crt_800x600_mode, | |
258 | .num_modes = 1, | |
259 | .lccr0 = (LCCR0_PAS), | |
260 | .lccr3 = (LCCR3_PixClkDiv(0x02) | | |
261 | LCCR3_Acb(0xff)), | |
262 | .cmap_inverse = 0, | |
263 | .cmap_static = 0, | |
264 | }; | |
265 | ||
266 | static struct pxafb_mode_info generic_tft_320x240_mode = { | |
267 | .pixclock = 134615, | |
268 | .bpp = 16, | |
269 | .xres = 320, | |
270 | .yres = 240, | |
271 | .hsync_len = 63, | |
272 | .vsync_len = 7, | |
273 | .left_margin = 75, | |
274 | .upper_margin = 0, | |
275 | .right_margin = 15, | |
276 | .lower_margin = 15, | |
277 | .sync = 0, | |
278 | .cmap_greyscale = 0, | |
279 | }; | |
280 | ||
281 | static struct pxafb_mach_info generic_tft_320x240 = { | |
282 | .modes = &generic_tft_320x240_mode, | |
283 | .num_modes = 1, | |
284 | .lccr0 = (LCCR0_PAS), | |
285 | .lccr3 = (LCCR3_PixClkDiv(0x06) | | |
286 | LCCR3_Acb(0xff) | | |
287 | LCCR3_PCP), | |
288 | .cmap_inverse = 0, | |
289 | .cmap_static = 0, | |
290 | }; | |
291 | ||
292 | static struct pxafb_mode_info generic_stn_640x480_mode = { | |
293 | .pixclock = 57692, | |
294 | .bpp = 8, | |
295 | .xres = 640, | |
296 | .yres = 480, | |
297 | .hsync_len = 4, | |
298 | .vsync_len = 2, | |
299 | .left_margin = 10, | |
300 | .upper_margin = 5, | |
301 | .right_margin = 10, | |
302 | .lower_margin = 5, | |
303 | .sync = (FB_SYNC_HOR_HIGH_ACT | | |
304 | FB_SYNC_VERT_HIGH_ACT), | |
305 | .cmap_greyscale = 0, | |
306 | }; | |
307 | ||
308 | static struct pxafb_mach_info generic_stn_640x480 = { | |
309 | .modes = &generic_stn_640x480_mode, | |
310 | .num_modes = 1, | |
311 | .lccr0 = 0, | |
312 | .lccr3 = (LCCR3_PixClkDiv(0x02) | | |
313 | LCCR3_Acb(0xff)), | |
314 | .cmap_inverse = 0, | |
315 | .cmap_static = 0, | |
316 | }; | |
317 | ||
da591937 | 318 | static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480; |
3696a8a4 | 319 | |
da591937 | 320 | static int __init cmx2xx_set_display(char *str) |
3696a8a4 MR |
321 | { |
322 | int disp_type = simple_strtol(str, NULL, 0); | |
323 | switch (disp_type) { | |
324 | case MTYPE_STN320x240: | |
da591937 | 325 | cmx2xx_display = &generic_stn_320x240; |
3696a8a4 MR |
326 | break; |
327 | case MTYPE_TFT640x480: | |
da591937 | 328 | cmx2xx_display = &generic_tft_640x480; |
3696a8a4 MR |
329 | break; |
330 | case MTYPE_CRT640x480: | |
da591937 | 331 | cmx2xx_display = &generic_crt_640x480; |
3696a8a4 MR |
332 | break; |
333 | case MTYPE_CRT800x600: | |
da591937 | 334 | cmx2xx_display = &generic_crt_800x600; |
3696a8a4 MR |
335 | break; |
336 | case MTYPE_TFT320x240: | |
da591937 | 337 | cmx2xx_display = &generic_tft_320x240; |
3696a8a4 MR |
338 | break; |
339 | case MTYPE_STN640x480: | |
da591937 | 340 | cmx2xx_display = &generic_stn_640x480; |
3696a8a4 MR |
341 | break; |
342 | default: /* fallback to CRT 640x480 */ | |
da591937 | 343 | cmx2xx_display = &generic_crt_640x480; |
3696a8a4 MR |
344 | break; |
345 | } | |
346 | return 1; | |
347 | } | |
348 | ||
349 | /* | |
350 | This should be done really early to get proper configuration for | |
351 | frame buffer. | |
da591937 | 352 | Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader |
3696a8a4 MR |
353 | has limitied line length for kernel command line, and also it will |
354 | break compatibitlty with proprietary releases already in field. | |
355 | */ | |
da591937 | 356 | __setup("monitor=", cmx2xx_set_display); |
3696a8a4 | 357 | |
da591937 | 358 | static void __init cmx2xx_init_display(void) |
2f01a973 | 359 | { |
da591937 | 360 | set_pxa_fb_info(cmx2xx_display); |
2f01a973 MR |
361 | } |
362 | #else | |
da591937 | 363 | static inline void cmx2xx_init_display(void) {} |
2f01a973 MR |
364 | #endif |
365 | ||
3696a8a4 MR |
366 | #ifdef CONFIG_PM |
367 | static unsigned long sleep_save_msc[10]; | |
368 | ||
da591937 | 369 | static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state) |
3696a8a4 | 370 | { |
da591937 | 371 | cmx2xx_pci_suspend(); |
3696a8a4 MR |
372 | |
373 | /* save MSC registers */ | |
374 | sleep_save_msc[0] = MSC0; | |
375 | sleep_save_msc[1] = MSC1; | |
376 | sleep_save_msc[2] = MSC2; | |
377 | ||
378 | /* setup power saving mode registers */ | |
379 | PCFR = 0x0; | |
380 | PSLR = 0xff400000; | |
381 | PMCR = 0x00000005; | |
382 | PWER = 0x80000000; | |
383 | PFER = 0x00000000; | |
384 | PRER = 0x00000000; | |
385 | PGSR0 = 0xC0018800; | |
386 | PGSR1 = 0x004F0002; | |
387 | PGSR2 = 0x6021C000; | |
388 | PGSR3 = 0x00020000; | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
da591937 | 393 | static int cmx2xx_resume(struct sys_device *dev) |
3696a8a4 | 394 | { |
da591937 | 395 | cmx2xx_pci_resume(); |
3696a8a4 MR |
396 | |
397 | /* restore MSC registers */ | |
398 | MSC0 = sleep_save_msc[0]; | |
399 | MSC1 = sleep_save_msc[1]; | |
400 | MSC2 = sleep_save_msc[2]; | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
da591937 | 405 | static struct sysdev_class cmx2xx_pm_sysclass = { |
af5ca3f4 | 406 | .name = "pm", |
da591937 MR |
407 | .resume = cmx2xx_resume, |
408 | .suspend = cmx2xx_suspend, | |
3696a8a4 MR |
409 | }; |
410 | ||
da591937 MR |
411 | static struct sys_device cmx2xx_pm_device = { |
412 | .cls = &cmx2xx_pm_sysclass, | |
3696a8a4 MR |
413 | }; |
414 | ||
da591937 | 415 | static int __init cmx2xx_pm_init(void) |
3696a8a4 MR |
416 | { |
417 | int error; | |
da591937 | 418 | error = sysdev_class_register(&cmx2xx_pm_sysclass); |
3696a8a4 | 419 | if (error == 0) |
da591937 | 420 | error = sysdev_register(&cmx2xx_pm_device); |
3696a8a4 MR |
421 | return error; |
422 | } | |
423 | #else | |
da591937 | 424 | static int __init cmx2xx_pm_init(void) { return 0; } |
3696a8a4 MR |
425 | #endif |
426 | ||
2f01a973 | 427 | #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE) |
da591937 | 428 | static void __init cmx2xx_init_ac97(void) |
3696a8a4 | 429 | { |
9f19d638 | 430 | pxa_set_ac97_info(NULL); |
2f01a973 MR |
431 | } |
432 | #else | |
da591937 | 433 | static inline void cmx2xx_init_ac97(void) {} |
2f01a973 | 434 | #endif |
3696a8a4 | 435 | |
da591937 MR |
436 | static void __init cmx2xx_init(void) |
437 | { | |
438 | cmx2xx_pm_init(); | |
439 | ||
440 | cmx270_init(); | |
441 | ||
442 | cmx2xx_init_dm9000(); | |
443 | cmx2xx_init_display(); | |
444 | cmx2xx_init_ac97(); | |
445 | cmx2xx_init_touchscreen(); | |
446 | cmx2xx_init_leds(); | |
447 | } | |
448 | ||
449 | static void __init cmx2xx_init_irq(void) | |
3696a8a4 MR |
450 | { |
451 | pxa27x_init_irq(); | |
452 | ||
da591937 | 453 | cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ); |
2f01a973 | 454 | } |
3696a8a4 | 455 | |
2f01a973 MR |
456 | #ifdef CONFIG_PCI |
457 | /* Map PCI companion statically */ | |
da591937 | 458 | static struct map_desc cmx2xx_io_desc[] __initdata = { |
2f01a973 | 459 | [0] = { /* PCI bridge */ |
da591937 | 460 | .virtual = CMX2XX_IT8152_VIRT, |
2f01a973 MR |
461 | .pfn = __phys_to_pfn(PXA_CS4_PHYS), |
462 | .length = SZ_64M, | |
463 | .type = MT_DEVICE | |
464 | }, | |
465 | }; | |
3696a8a4 | 466 | |
da591937 | 467 | static void __init cmx2xx_map_io(void) |
2f01a973 MR |
468 | { |
469 | pxa_map_io(); | |
da591937 | 470 | iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc)); |
3696a8a4 | 471 | |
da591937 | 472 | it8152_base_address = CMX2XX_IT8152_VIRT; |
3696a8a4 | 473 | } |
2f01a973 | 474 | #else |
da591937 | 475 | static void __init cmx2xx_map_io(void) |
3696a8a4 MR |
476 | { |
477 | pxa_map_io(); | |
3696a8a4 | 478 | } |
2f01a973 | 479 | #endif |
3696a8a4 | 480 | |
da591937 | 481 | MACHINE_START(ARMCORE, "Compulab CM-X2XX") |
3696a8a4 MR |
482 | .boot_params = 0xa0000100, |
483 | .phys_io = 0x40000000, | |
484 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
da591937 MR |
485 | .map_io = cmx2xx_map_io, |
486 | .init_irq = cmx2xx_init_irq, | |
3696a8a4 | 487 | .timer = &pxa_timer, |
da591937 | 488 | .init_machine = cmx2xx_init, |
3696a8a4 | 489 | MACHINE_END |