?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[ARM] pxa: make lubbock to use new smc91x platform data
[linux-ginger.git] / arch / arm / mach-pxa / cm-x270.c
blob402e807eae54cef3fea7cd99d5422e87b9c0cc62
1 /*
2 * linux/arch/arm/mach-pxa/cm-x270.c
3 *
4 * Copyright (C) 2007, 2008 CompuLab, Ltd.
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
12 #include <linux/platform_device.h>
13 #include <linux/sysdev.h>
14 #include <linux/irq.h>
15 #include <linux/gpio.h>
16
17 #include <linux/dm9000.h>
18 #include <linux/rtc-v3020.h>
19 #include <video/mbxfb.h>
20 #include <linux/leds.h>
21
22 #include <asm/mach/arch.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/map.h>
25
26 #include <asm/arch/pxa2xx-regs.h>
27 #include <asm/arch/mfp-pxa27x.h>
28 #include <asm/arch/pxa-regs.h>
29 #include <asm/arch/audio.h>
30 #include <asm/arch/pxafb.h>
31 #include <asm/arch/ohci.h>
32 #include <asm/arch/mmc.h>
33 #include <asm/arch/bitfield.h>
34
35 #include <asm/hardware/it8152.h>
36
37 #include "generic.h"
38 #include "cm-x270-pci.h"
39
40 /* virtual addresses for statically mapped regions */
41 #define CMX270_VIRT_BASE (0xe8000000)
42 #define CMX270_IT8152_VIRT (CMX270_VIRT_BASE)
43
44 #define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
45 #define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
46
47 /* GPIO IRQ usage */
48 #define GPIO10_ETHIRQ (10)
49 #define GPIO22_IT8152_IRQ (22)
50 #define GPIO83_MMC_IRQ (83)
51 #define GPIO95_GFXIRQ (95)
52
53 #define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
54 #define CMX270_IT8152_IRQ IRQ_GPIO(GPIO22_IT8152_IRQ)
55 #define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
56 #define CMX270_GFXIRQ IRQ_GPIO(GPIO95_GFXIRQ)
57
58 /* MMC power enable */
59 #define GPIO105_MMC_POWER (105)
60
61 static unsigned long cmx270_pin_config[] = {
62 /* AC'97 */
63 GPIO28_AC97_BITCLK,
64 GPIO29_AC97_SDATA_IN_0,
65 GPIO30_AC97_SDATA_OUT,
66 GPIO31_AC97_SYNC,
67 GPIO98_AC97_SYSCLK,
68 GPIO113_AC97_nRESET,
69
70 /* BTUART */
71 GPIO42_BTUART_RXD,
72 GPIO43_BTUART_TXD,
73 GPIO44_BTUART_CTS,
74 GPIO45_BTUART_RTS,
75
76 /* STUART */
77 GPIO46_STUART_RXD,
78 GPIO47_STUART_TXD,
79
80 /* MCI controller */
81 GPIO32_MMC_CLK,
82 GPIO112_MMC_CMD,
83 GPIO92_MMC_DAT_0,
84 GPIO109_MMC_DAT_1,
85 GPIO110_MMC_DAT_2,
86 GPIO111_MMC_DAT_3,
87
88 /* LCD */
89 GPIO58_LCD_LDD_0,
90 GPIO59_LCD_LDD_1,
91 GPIO60_LCD_LDD_2,
92 GPIO61_LCD_LDD_3,
93 GPIO62_LCD_LDD_4,
94 GPIO63_LCD_LDD_5,
95 GPIO64_LCD_LDD_6,
96 GPIO65_LCD_LDD_7,
97 GPIO66_LCD_LDD_8,
98 GPIO67_LCD_LDD_9,
99 GPIO68_LCD_LDD_10,
100 GPIO69_LCD_LDD_11,
101 GPIO70_LCD_LDD_12,
102 GPIO71_LCD_LDD_13,
103 GPIO72_LCD_LDD_14,
104 GPIO73_LCD_LDD_15,
105 GPIO74_LCD_FCLK,
106 GPIO75_LCD_LCLK,
107 GPIO76_LCD_PCLK,
108 GPIO77_LCD_BIAS,
109
110 /* I2C */
111 GPIO117_I2C_SCL,
112 GPIO118_I2C_SDA,
113
114 /* SSP1 */
115 GPIO23_SSP1_SCLK,
116 GPIO24_SSP1_SFRM,
117 GPIO25_SSP1_TXD,
118 GPIO26_SSP1_RXD,
119
120 /* SSP2 */
121 GPIO19_SSP2_SCLK,
122 GPIO14_SSP2_SFRM,
123 GPIO87_SSP2_TXD,
124 GPIO88_SSP2_RXD,
125
126 /* PC Card */
127 GPIO48_nPOE,
128 GPIO49_nPWE,
129 GPIO50_nPIOR,
130 GPIO51_nPIOW,
131 GPIO85_nPCE_1,
132 GPIO54_nPCE_2,
133 GPIO55_nPREG,
134 GPIO56_nPWAIT,
135 GPIO57_nIOIS16,
136
137 /* SDRAM and local bus */
138 GPIO15_nCS_1,
139 GPIO78_nCS_2,
140 GPIO79_nCS_3,
141 GPIO80_nCS_4,
142 GPIO33_nCS_5,
143 GPIO49_nPWE,
144 GPIO18_RDY,
145
146 /* GPIO */
147 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
148 GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */
149 GPIO53_GPIO, /* PC card reset */
150
151 /* NAND controls */
152 GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
153 GPIO89_GPIO, /* NAND Ready/Busy */
154
155 /* interrupts */
156 GPIO10_GPIO, /* DM9000 interrupt */
157 GPIO83_GPIO, /* MMC card detect */
158 };
159
160 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
161 static struct resource cmx270_dm9000_resource[] = {
162 [0] = {
163 .start = DM9000_PHYS_BASE,
164 .end = DM9000_PHYS_BASE + 4,
165 .flags = IORESOURCE_MEM,
166 },
167 [1] = {
168 .start = DM9000_PHYS_BASE + 8,
169 .end = DM9000_PHYS_BASE + 8 + 500,
170 .flags = IORESOURCE_MEM,
171 },
172 [2] = {
173 .start = CMX270_ETHIRQ,
174 .end = CMX270_ETHIRQ,
175 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
176 }
177 };
178
179 static struct dm9000_plat_data cmx270_dm9000_platdata = {
180 .flags = DM9000_PLATF_32BITONLY,
181 };
182
183 static struct platform_device cmx270_dm9000_device = {
184 .name = "dm9000",
185 .id = 0,
186 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
187 .resource = cmx270_dm9000_resource,
188 .dev = {
189 .platform_data = &cmx270_dm9000_platdata,
190 }
191 };
192
193 static void __init cmx270_init_dm9000(void)
194 {
195 platform_device_register(&cmx270_dm9000_device);
196 }
197 #else
198 static inline void cmx270_init_dm9000(void) {}
199 #endif
200
201 /* UCB1400 touchscreen controller */
202 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
203 static struct platform_device cmx270_ts_device = {
204 .name = "ucb1400_ts",
205 .id = -1,
206 };
207
208 static void __init cmx270_init_touchscreen(void)
209 {
210 platform_device_register(&cmx270_ts_device);
211 }
212 #else
213 static inline void cmx270_init_touchscreen(void) {}
214 #endif
215
216 /* V3020 RTC */
217 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
218 static struct resource cmx270_v3020_resource[] = {
219 [0] = {
220 .start = RTC_PHYS_BASE,
221 .end = RTC_PHYS_BASE + 4,
222 .flags = IORESOURCE_MEM,
223 },
224 };
225
226 struct v3020_platform_data cmx270_v3020_pdata = {
227 .leftshift = 16,
228 };
229
230 static struct platform_device cmx270_rtc_device = {
231 .name = "v3020",
232 .num_resources = ARRAY_SIZE(cmx270_v3020_resource),
233 .resource = cmx270_v3020_resource,
234 .id = -1,
235 .dev = {
236 .platform_data = &cmx270_v3020_pdata,
237 }
238 };
239
240 static void __init cmx270_init_rtc(void)
241 {
242 platform_device_register(&cmx270_rtc_device);
243 }
244 #else
245 static inline void cmx270_init_rtc(void) {}
246 #endif
247
248 /* CM-X270 LEDs */
249 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
250 static struct gpio_led cmx270_leds[] = {
251 [0] = {
252 .name = "cm-x270:red",
253 .default_trigger = "nand-disk",
254 .gpio = 93,
255 .active_low = 1,
256 },
257 [1] = {
258 .name = "cm-x270:green",
259 .default_trigger = "heartbeat",
260 .gpio = 94,
261 .active_low = 1,
262 },
263 };
264
265 static struct gpio_led_platform_data cmx270_gpio_led_pdata = {
266 .num_leds = ARRAY_SIZE(cmx270_leds),
267 .leds = cmx270_leds,
268 };
269
270 static struct platform_device cmx270_led_device = {
271 .name = "leds-gpio",
272 .id = -1,
273 .dev = {
274 .platform_data = &cmx270_gpio_led_pdata,
275 },
276 };
277
278 static void __init cmx270_init_leds(void)
279 {
280 platform_device_register(&cmx270_led_device);
281 }
282 #else
283 static inline void cmx270_init_leds(void) {}
284 #endif
285
286 /* 2700G graphics */
287 #if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
288 static u64 fb_dma_mask = ~(u64)0;
289
290 static struct resource cmx270_2700G_resource[] = {
291 /* frame buffer memory including ODFB and External SDRAM */
292 [0] = {
293 .start = PXA_CS2_PHYS,
294 .end = PXA_CS2_PHYS + 0x01ffffff,
295 .flags = IORESOURCE_MEM,
296 },
297 /* Marathon registers */
298 [1] = {
299 .start = PXA_CS2_PHYS + 0x03fe0000,
300 .end = PXA_CS2_PHYS + 0x03ffffff,
301 .flags = IORESOURCE_MEM,
302 },
303 };
304
305 static unsigned long save_lcd_regs[10];
306
307 static int cmx270_marathon_probe(struct fb_info *fb)
308 {
309 /* save PXA-270 pin settings before enabling 2700G */
310 save_lcd_regs[0] = GPDR1;
311 save_lcd_regs[1] = GPDR2;
312 save_lcd_regs[2] = GAFR1_U;
313 save_lcd_regs[3] = GAFR2_L;
314 save_lcd_regs[4] = GAFR2_U;
315
316 /* Disable PXA-270 on-chip controller driving pins */
317 GPDR1 &= ~(0xfc000000);
318 GPDR2 &= ~(0x00c03fff);
319 GAFR1_U &= ~(0xfff00000);
320 GAFR2_L &= ~(0x0fffffff);
321 GAFR2_U &= ~(0x0000f000);
322 return 0;
323 }
324
325 static int cmx270_marathon_remove(struct fb_info *fb)
326 {
327 GPDR1 = save_lcd_regs[0];
328 GPDR2 = save_lcd_regs[1];
329 GAFR1_U = save_lcd_regs[2];
330 GAFR2_L = save_lcd_regs[3];
331 GAFR2_U = save_lcd_regs[4];
332 return 0;
333 }
334
335 static struct mbxfb_platform_data cmx270_2700G_data = {
336 .xres = {
337 .min = 240,
338 .max = 1200,
339 .defval = 640,
340 },
341 .yres = {
342 .min = 240,
343 .max = 1200,
344 .defval = 480,
345 },
346 .bpp = {
347 .min = 16,
348 .max = 32,
349 .defval = 16,
350 },
351 .memsize = 8*1024*1024,
352 .probe = cmx270_marathon_probe,
353 .remove = cmx270_marathon_remove,
354 };
355
356 static struct platform_device cmx270_2700G = {
357 .name = "mbx-fb",
358 .dev = {
359 .platform_data = &cmx270_2700G_data,
360 .dma_mask = &fb_dma_mask,
361 .coherent_dma_mask = 0xffffffff,
362 },
363 .num_resources = ARRAY_SIZE(cmx270_2700G_resource),
364 .resource = cmx270_2700G_resource,
365 .id = -1,
366 };
367
368 static void __init cmx270_init_2700G(void)
369 {
370 platform_device_register(&cmx270_2700G);
371 }
372 #else
373 static inline void cmx270_init_2700G(void) {}
374 #endif
375
376 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
377 /*
378 Display definitions
379 keep these for backwards compatibility, although symbolic names (as
380 e.g. in lpd270.c) looks better
381 */
382 #define MTYPE_STN320x240 0
383 #define MTYPE_TFT640x480 1
384 #define MTYPE_CRT640x480 2
385 #define MTYPE_CRT800x600 3
386 #define MTYPE_TFT320x240 6
387 #define MTYPE_STN640x480 7
388
389 static struct pxafb_mode_info generic_stn_320x240_mode = {
390 .pixclock = 76923,
391 .bpp = 8,
392 .xres = 320,
393 .yres = 240,
394 .hsync_len = 3,
395 .vsync_len = 2,
396 .left_margin = 3,
397 .upper_margin = 0,
398 .right_margin = 3,
399 .lower_margin = 0,
400 .sync = (FB_SYNC_HOR_HIGH_ACT |
401 FB_SYNC_VERT_HIGH_ACT),
402 .cmap_greyscale = 0,
403 };
404
405 static struct pxafb_mach_info generic_stn_320x240 = {
406 .modes = &generic_stn_320x240_mode,
407 .num_modes = 1,
408 .lccr0 = 0,
409 .lccr3 = (LCCR3_PixClkDiv(0x03) |
410 LCCR3_Acb(0xff) |
411 LCCR3_PCP),
412 .cmap_inverse = 0,
413 .cmap_static = 0,
414 };
415
416 static struct pxafb_mode_info generic_tft_640x480_mode = {
417 .pixclock = 38461,
418 .bpp = 8,
419 .xres = 640,
420 .yres = 480,
421 .hsync_len = 60,
422 .vsync_len = 2,
423 .left_margin = 70,
424 .upper_margin = 10,
425 .right_margin = 70,
426 .lower_margin = 5,
427 .sync = 0,
428 .cmap_greyscale = 0,
429 };
430
431 static struct pxafb_mach_info generic_tft_640x480 = {
432 .modes = &generic_tft_640x480_mode,
433 .num_modes = 1,
434 .lccr0 = (LCCR0_PAS),
435 .lccr3 = (LCCR3_PixClkDiv(0x01) |
436 LCCR3_Acb(0xff) |
437 LCCR3_PCP),
438 .cmap_inverse = 0,
439 .cmap_static = 0,
440 };
441
442 static struct pxafb_mode_info generic_crt_640x480_mode = {
443 .pixclock = 38461,
444 .bpp = 8,
445 .xres = 640,
446 .yres = 480,
447 .hsync_len = 63,
448 .vsync_len = 2,
449 .left_margin = 81,
450 .upper_margin = 33,
451 .right_margin = 16,
452 .lower_margin = 10,
453 .sync = (FB_SYNC_HOR_HIGH_ACT |
454 FB_SYNC_VERT_HIGH_ACT),
455 .cmap_greyscale = 0,
456 };
457
458 static struct pxafb_mach_info generic_crt_640x480 = {
459 .modes = &generic_crt_640x480_mode,
460 .num_modes = 1,
461 .lccr0 = (LCCR0_PAS),
462 .lccr3 = (LCCR3_PixClkDiv(0x01) |
463 LCCR3_Acb(0xff)),
464 .cmap_inverse = 0,
465 .cmap_static = 0,
466 };
467
468 static struct pxafb_mode_info generic_crt_800x600_mode = {
469 .pixclock = 28846,
470 .bpp = 8,
471 .xres = 800,
472 .yres = 600,
473 .hsync_len = 63,
474 .vsync_len = 2,
475 .left_margin = 26,
476 .upper_margin = 21,
477 .right_margin = 26,
478 .lower_margin = 11,
479 .sync = (FB_SYNC_HOR_HIGH_ACT |
480 FB_SYNC_VERT_HIGH_ACT),
481 .cmap_greyscale = 0,
482 };
483
484 static struct pxafb_mach_info generic_crt_800x600 = {
485 .modes = &generic_crt_800x600_mode,
486 .num_modes = 1,
487 .lccr0 = (LCCR0_PAS),
488 .lccr3 = (LCCR3_PixClkDiv(0x02) |
489 LCCR3_Acb(0xff)),
490 .cmap_inverse = 0,
491 .cmap_static = 0,
492 };
493
494 static struct pxafb_mode_info generic_tft_320x240_mode = {
495 .pixclock = 134615,
496 .bpp = 16,
497 .xres = 320,
498 .yres = 240,
499 .hsync_len = 63,
500 .vsync_len = 7,
501 .left_margin = 75,
502 .upper_margin = 0,
503 .right_margin = 15,
504 .lower_margin = 15,
505 .sync = 0,
506 .cmap_greyscale = 0,
507 };
508
509 static struct pxafb_mach_info generic_tft_320x240 = {
510 .modes = &generic_tft_320x240_mode,
511 .num_modes = 1,
512 .lccr0 = (LCCR0_PAS),
513 .lccr3 = (LCCR3_PixClkDiv(0x06) |
514 LCCR3_Acb(0xff) |
515 LCCR3_PCP),
516 .cmap_inverse = 0,
517 .cmap_static = 0,
518 };
519
520 static struct pxafb_mode_info generic_stn_640x480_mode = {
521 .pixclock = 57692,
522 .bpp = 8,
523 .xres = 640,
524 .yres = 480,
525 .hsync_len = 4,
526 .vsync_len = 2,
527 .left_margin = 10,
528 .upper_margin = 5,
529 .right_margin = 10,
530 .lower_margin = 5,
531 .sync = (FB_SYNC_HOR_HIGH_ACT |
532 FB_SYNC_VERT_HIGH_ACT),
533 .cmap_greyscale = 0,
534 };
535
536 static struct pxafb_mach_info generic_stn_640x480 = {
537 .modes = &generic_stn_640x480_mode,
538 .num_modes = 1,
539 .lccr0 = 0,
540 .lccr3 = (LCCR3_PixClkDiv(0x02) |
541 LCCR3_Acb(0xff)),
542 .cmap_inverse = 0,
543 .cmap_static = 0,
544 };
545
546 static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
547
548 static int __init cmx270_set_display(char *str)
549 {
550 int disp_type = simple_strtol(str, NULL, 0);
551 switch (disp_type) {
552 case MTYPE_STN320x240:
553 cmx270_display = &generic_stn_320x240;
554 break;
555 case MTYPE_TFT640x480:
556 cmx270_display = &generic_tft_640x480;
557 break;
558 case MTYPE_CRT640x480:
559 cmx270_display = &generic_crt_640x480;
560 break;
561 case MTYPE_CRT800x600:
562 cmx270_display = &generic_crt_800x600;
563 break;
564 case MTYPE_TFT320x240:
565 cmx270_display = &generic_tft_320x240;
566 break;
567 case MTYPE_STN640x480:
568 cmx270_display = &generic_stn_640x480;
569 break;
570 default: /* fallback to CRT 640x480 */
571 cmx270_display = &generic_crt_640x480;
572 break;
573 }
574 return 1;
575 }
576
577 /*
578 This should be done really early to get proper configuration for
579 frame buffer.
580 Indeed, pxafb parameters can be used istead, but CM-X270 bootloader
581 has limitied line length for kernel command line, and also it will
582 break compatibitlty with proprietary releases already in field.
583 */
584 __setup("monitor=", cmx270_set_display);
585
586 static void __init cmx270_init_display(void)
587 {
588 set_pxa_fb_info(cmx270_display);
589 }
590 #else
591 static inline void cmx270_init_display(void) {}
592 #endif
593
594 /* PXA27x OHCI controller setup */
595 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
596 static int cmx270_ohci_init(struct device *dev)
597 {
598 /* Set the Power Control Polarity Low */
599 UHCHR = (UHCHR | UHCHR_PCPL) &
600 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
601
602 return 0;
603 }
604
605 static struct pxaohci_platform_data cmx270_ohci_platform_data = {
606 .port_mode = PMM_PERPORT_MODE,
607 .init = cmx270_ohci_init,
608 };
609
610 static void __init cmx270_init_ohci(void)
611 {
612 pxa_set_ohci_info(&cmx270_ohci_platform_data);
613 }
614 #else
615 static inline void cmx270_init_ohci(void) {}
616 #endif
617
618 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
619 static int cmx270_mci_init(struct device *dev,
620 irq_handler_t cmx270_detect_int,
621 void *data)
622 {
623 int err;
624
625 err = gpio_request(GPIO105_MMC_POWER, "MMC/SD power");
626 if (err) {
627 dev_warn(dev, "power gpio unavailable\n");
628 return err;
629 }
630
631 gpio_direction_output(GPIO105_MMC_POWER, 0);
632
633 err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
634 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
635 "MMC card detect", data);
636 if (err) {
637 gpio_free(GPIO105_MMC_POWER);
638 dev_err(dev, "cmx270_mci_init: MMC/SD: can't"
639 " request MMC card detect IRQ\n");
640 }
641
642 return err;
643 }
644
645 static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)
646 {
647 struct pxamci_platform_data *p_d = dev->platform_data;
648
649 if ((1 << vdd) & p_d->ocr_mask) {
650 dev_dbg(dev, "power on\n");
651 gpio_set_value(GPIO105_MMC_POWER, 0);
652 } else {
653 gpio_set_value(GPIO105_MMC_POWER, 1);
654 dev_dbg(dev, "power off\n");
655 }
656 }
657
658 static void cmx270_mci_exit(struct device *dev, void *data)
659 {
660 free_irq(CMX270_MMC_IRQ, data);
661 gpio_free(GPIO105_MMC_POWER);
662 }
663
664 static struct pxamci_platform_data cmx270_mci_platform_data = {
665 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
666 .init = cmx270_mci_init,
667 .setpower = cmx270_mci_setpower,
668 .exit = cmx270_mci_exit,
669 };
670
671 static void __init cmx270_init_mmc(void)
672 {
673 pxa_set_mci_info(&cmx270_mci_platform_data);
674 }
675 #else
676 static inline void cmx270_init_mmc(void) {}
677 #endif
678
679 #ifdef CONFIG_PM
680 static unsigned long sleep_save_msc[10];
681
682 static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
683 {
684 cmx270_pci_suspend();
685
686 /* save MSC registers */
687 sleep_save_msc[0] = MSC0;
688 sleep_save_msc[1] = MSC1;
689 sleep_save_msc[2] = MSC2;
690
691 /* setup power saving mode registers */
692 PCFR = 0x0;
693 PSLR = 0xff400000;
694 PMCR = 0x00000005;
695 PWER = 0x80000000;
696 PFER = 0x00000000;
697 PRER = 0x00000000;
698 PGSR0 = 0xC0018800;
699 PGSR1 = 0x004F0002;
700 PGSR2 = 0x6021C000;
701 PGSR3 = 0x00020000;
702
703 return 0;
704 }
705
706 static int cmx270_resume(struct sys_device *dev)
707 {
708 cmx270_pci_resume();
709
710 /* restore MSC registers */
711 MSC0 = sleep_save_msc[0];
712 MSC1 = sleep_save_msc[1];
713 MSC2 = sleep_save_msc[2];
714
715 return 0;
716 }
717
718 static struct sysdev_class cmx270_pm_sysclass = {
719 .name = "pm",
720 .resume = cmx270_resume,
721 .suspend = cmx270_suspend,
722 };
723
724 static struct sys_device cmx270_pm_device = {
725 .cls = &cmx270_pm_sysclass,
726 };
727
728 static int __init cmx270_pm_init(void)
729 {
730 int error;
731 error = sysdev_class_register(&cmx270_pm_sysclass);
732 if (error == 0)
733 error = sysdev_register(&cmx270_pm_device);
734 return error;
735 }
736 #else
737 static int __init cmx270_pm_init(void) { return 0; }
738 #endif
739
740 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
741 static void __init cmx270_init_ac97(void)
742 {
743 pxa_set_ac97_info(NULL);
744 }
745 #else
746 static inline void cmx270_init_ac97(void) {}
747 #endif
748
749 static void __init cmx270_init(void)
750 {
751 cmx270_pm_init();
752
753 pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
754
755 cmx270_init_dm9000();
756 cmx270_init_rtc();
757 cmx270_init_display();
758 cmx270_init_mmc();
759 cmx270_init_ohci();
760 cmx270_init_ac97();
761 cmx270_init_touchscreen();
762 cmx270_init_leds();
763 cmx270_init_2700G();
764 }
765
766 static void __init cmx270_init_irq(void)
767 {
768 pxa27x_init_irq();
769
770 cmx270_pci_init_irq(GPIO22_IT8152_IRQ);
771 }
772
773 #ifdef CONFIG_PCI
774 /* Map PCI companion statically */
775 static struct map_desc cmx270_io_desc[] __initdata = {
776 [0] = { /* PCI bridge */
777 .virtual = CMX270_IT8152_VIRT,
778 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
779 .length = SZ_64M,
780 .type = MT_DEVICE
781 },
782 };
783
784 static void __init cmx270_map_io(void)
785 {
786 pxa_map_io();
787 iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
788
789 it8152_base_address = CMX270_IT8152_VIRT;
790 }
791 #else
792 static void __init cmx270_map_io(void)
793 {
794 pxa_map_io();
795 }
796 #endif
797
798 MACHINE_START(ARMCORE, "Compulab CM-x270")
799 .boot_params = 0xa0000100,
800 .phys_io = 0x40000000,
801 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
802 .map_io = cmx270_map_io,
803 .init_irq = cmx270_init_irq,
804 .timer = &pxa_timer,
805 .init_machine = cmx270_init,
806 MACHINE_END
Linux for Ginger Game Console