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1/*
2 * linux/arch/arm/mach-pxa/cm-x2xx.c
3 *
4 * Copyright (C) 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/syscore_ops.h>
14#include <linux/irq.h>
15#include <linux/gpio.h>
16
17#include <linux/dm9000.h>
18#include <linux/leds.h>
19
20#include <asm/mach/arch.h>
21#include <asm/mach-types.h>
22#include <asm/mach/map.h>
23
24#include <mach/pxa25x.h>
25#undef GPIO24_SSP1_SFRM
26#include <mach/pxa27x.h>
27#include <mach/audio.h>
28#include <linux/platform_data/video-pxafb.h>
29#include <mach/smemc.h>
30
31#include <asm/hardware/it8152.h>
32
33#include "generic.h"
34#include "cm-x2xx-pci.h"
35
36extern void cmx255_init(void);
37extern void cmx270_init(void);
38
39/* reserve IRQs for IT8152 */
40#define CMX2XX_NR_IRQS (IRQ_BOARD_START + 40)
41
42/* virtual addresses for statically mapped regions */
43#define CMX2XX_VIRT_BASE (void __iomem *)(0xe8000000)
44#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
45
46/* physical address if local-bus attached devices */
47#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
48#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
49
50/* leds */
51#define CMX255_GPIO_RED (27)
52#define CMX255_GPIO_GREEN (32)
53#define CMX270_GPIO_RED (93)
54#define CMX270_GPIO_GREEN (94)
55
56/* GPIO IRQ usage */
57#define GPIO22_ETHIRQ (22)
58#define GPIO10_ETHIRQ (10)
59#define CMX255_GPIO_IT8152_IRQ (0)
60#define CMX270_GPIO_IT8152_IRQ (22)
61
62#define CMX255_ETHIRQ PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
63#define CMX270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)
64
65#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
66static struct resource cmx255_dm9000_resource[] = {
67 [0] = {
68 .start = CMX255_DM9000_PHYS_BASE,
69 .end = CMX255_DM9000_PHYS_BASE + 3,
70 .flags = IORESOURCE_MEM,
71 },
72 [1] = {
73 .start = CMX255_DM9000_PHYS_BASE + 4,
74 .end = CMX255_DM9000_PHYS_BASE + 4 + 500,
75 .flags = IORESOURCE_MEM,
76 },
77 [2] = {
78 .start = CMX255_ETHIRQ,
79 .end = CMX255_ETHIRQ,
80 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
81 }
82};
83
84static struct resource cmx270_dm9000_resource[] = {
85 [0] = {
86 .start = CMX270_DM9000_PHYS_BASE,
87 .end = CMX270_DM9000_PHYS_BASE + 3,
88 .flags = IORESOURCE_MEM,
89 },
90 [1] = {
91 .start = CMX270_DM9000_PHYS_BASE + 8,
92 .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
93 .flags = IORESOURCE_MEM,
94 },
95 [2] = {
96 .start = CMX270_ETHIRQ,
97 .end = CMX270_ETHIRQ,
98 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
99 }
100};
101
102static struct dm9000_plat_data cmx270_dm9000_platdata = {
103 .flags = DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
104};
105
106static struct platform_device cmx2xx_dm9000_device = {
107 .name = "dm9000",
108 .id = 0,
109 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
110 .dev = {
111 .platform_data = &cmx270_dm9000_platdata,
112 }
113};
114
115static void __init cmx2xx_init_dm9000(void)
116{
117 if (cpu_is_pxa25x())
118 cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
119 else
120 cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
121 platform_device_register(&cmx2xx_dm9000_device);
122}
123#else
124static inline void cmx2xx_init_dm9000(void) {}
125#endif
126
127/* UCB1400 touchscreen controller */
128#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
129static struct platform_device cmx2xx_ts_device = {
130 .name = "ucb1400_core",
131 .id = -1,
132};
133
134static void __init cmx2xx_init_touchscreen(void)
135{
136 platform_device_register(&cmx2xx_ts_device);
137}
138#else
139static inline void cmx2xx_init_touchscreen(void) {}
140#endif
141
142/* CM-X270 LEDs */
143#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
144static struct gpio_led cmx2xx_leds[] = {
145 [0] = {
146 .name = "cm-x2xx:red",
147 .default_trigger = "nand-disk",
148 .active_low = 1,
149 },
150 [1] = {
151 .name = "cm-x2xx:green",
152 .default_trigger = "heartbeat",
153 .active_low = 1,
154 },
155};
156
157static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
158 .num_leds = ARRAY_SIZE(cmx2xx_leds),
159 .leds = cmx2xx_leds,
160};
161
162static struct platform_device cmx2xx_led_device = {
163 .name = "leds-gpio",
164 .id = -1,
165 .dev = {
166 .platform_data = &cmx2xx_gpio_led_pdata,
167 },
168};
169
170static void __init cmx2xx_init_leds(void)
171{
172 if (cpu_is_pxa25x()) {
173 cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
174 cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
175 } else {
176 cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
177 cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
178 }
179 platform_device_register(&cmx2xx_led_device);
180}
181#else
182static inline void cmx2xx_init_leds(void) {}
183#endif
184
185#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
186/*
187 Display definitions
188 keep these for backwards compatibility, although symbolic names (as
189 e.g. in lpd270.c) looks better
190*/
191#define MTYPE_STN320x240 0
192#define MTYPE_TFT640x480 1
193#define MTYPE_CRT640x480 2
194#define MTYPE_CRT800x600 3
195#define MTYPE_TFT320x240 6
196#define MTYPE_STN640x480 7
197
198static struct pxafb_mode_info generic_stn_320x240_mode = {
199 .pixclock = 76923,
200 .bpp = 8,
201 .xres = 320,
202 .yres = 240,
203 .hsync_len = 3,
204 .vsync_len = 2,
205 .left_margin = 3,
206 .upper_margin = 0,
207 .right_margin = 3,
208 .lower_margin = 0,
209 .sync = (FB_SYNC_HOR_HIGH_ACT |
210 FB_SYNC_VERT_HIGH_ACT),
211 .cmap_greyscale = 0,
212};
213
214static struct pxafb_mach_info generic_stn_320x240 = {
215 .modes = &generic_stn_320x240_mode,
216 .num_modes = 1,
217 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
218 LCD_AC_BIAS_FREQ(0xff),
219 .cmap_inverse = 0,
220 .cmap_static = 0,
221};
222
223static struct pxafb_mode_info generic_tft_640x480_mode = {
224 .pixclock = 38461,
225 .bpp = 8,
226 .xres = 640,
227 .yres = 480,
228 .hsync_len = 60,
229 .vsync_len = 2,
230 .left_margin = 70,
231 .upper_margin = 10,
232 .right_margin = 70,
233 .lower_margin = 5,
234 .sync = 0,
235 .cmap_greyscale = 0,
236};
237
238static struct pxafb_mach_info generic_tft_640x480 = {
239 .modes = &generic_tft_640x480_mode,
240 .num_modes = 1,
241 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
242 LCD_AC_BIAS_FREQ(0xff),
243 .cmap_inverse = 0,
244 .cmap_static = 0,
245};
246
247static struct pxafb_mode_info generic_crt_640x480_mode = {
248 .pixclock = 38461,
249 .bpp = 8,
250 .xres = 640,
251 .yres = 480,
252 .hsync_len = 63,
253 .vsync_len = 2,
254 .left_margin = 81,
255 .upper_margin = 33,
256 .right_margin = 16,
257 .lower_margin = 10,
258 .sync = (FB_SYNC_HOR_HIGH_ACT |
259 FB_SYNC_VERT_HIGH_ACT),
260 .cmap_greyscale = 0,
261};
262
263static struct pxafb_mach_info generic_crt_640x480 = {
264 .modes = &generic_crt_640x480_mode,
265 .num_modes = 1,
266 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
267 .cmap_inverse = 0,
268 .cmap_static = 0,
269};
270
271static struct pxafb_mode_info generic_crt_800x600_mode = {
272 .pixclock = 28846,
273 .bpp = 8,
274 .xres = 800,
275 .yres = 600,
276 .hsync_len = 63,
277 .vsync_len = 2,
278 .left_margin = 26,
279 .upper_margin = 21,
280 .right_margin = 26,
281 .lower_margin = 11,
282 .sync = (FB_SYNC_HOR_HIGH_ACT |
283 FB_SYNC_VERT_HIGH_ACT),
284 .cmap_greyscale = 0,
285};
286
287static struct pxafb_mach_info generic_crt_800x600 = {
288 .modes = &generic_crt_800x600_mode,
289 .num_modes = 1,
290 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
291 .cmap_inverse = 0,
292 .cmap_static = 0,
293};
294
295static struct pxafb_mode_info generic_tft_320x240_mode = {
296 .pixclock = 134615,
297 .bpp = 16,
298 .xres = 320,
299 .yres = 240,
300 .hsync_len = 63,
301 .vsync_len = 7,
302 .left_margin = 75,
303 .upper_margin = 0,
304 .right_margin = 15,
305 .lower_margin = 15,
306 .sync = 0,
307 .cmap_greyscale = 0,
308};
309
310static struct pxafb_mach_info generic_tft_320x240 = {
311 .modes = &generic_tft_320x240_mode,
312 .num_modes = 1,
313 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
314 .cmap_inverse = 0,
315 .cmap_static = 0,
316};
317
318static struct pxafb_mode_info generic_stn_640x480_mode = {
319 .pixclock = 57692,
320 .bpp = 8,
321 .xres = 640,
322 .yres = 480,
323 .hsync_len = 4,
324 .vsync_len = 2,
325 .left_margin = 10,
326 .upper_margin = 5,
327 .right_margin = 10,
328 .lower_margin = 5,
329 .sync = (FB_SYNC_HOR_HIGH_ACT |
330 FB_SYNC_VERT_HIGH_ACT),
331 .cmap_greyscale = 0,
332};
333
334static struct pxafb_mach_info generic_stn_640x480 = {
335 .modes = &generic_stn_640x480_mode,
336 .num_modes = 1,
337 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
338 .cmap_inverse = 0,
339 .cmap_static = 0,
340};
341
342static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
343
344static int __init cmx2xx_set_display(char *str)
345{
346 int disp_type = simple_strtol(str, NULL, 0);
347 switch (disp_type) {
348 case MTYPE_STN320x240:
349 cmx2xx_display = &generic_stn_320x240;
350 break;
351 case MTYPE_TFT640x480:
352 cmx2xx_display = &generic_tft_640x480;
353 break;
354 case MTYPE_CRT640x480:
355 cmx2xx_display = &generic_crt_640x480;
356 break;
357 case MTYPE_CRT800x600:
358 cmx2xx_display = &generic_crt_800x600;
359 break;
360 case MTYPE_TFT320x240:
361 cmx2xx_display = &generic_tft_320x240;
362 break;
363 case MTYPE_STN640x480:
364 cmx2xx_display = &generic_stn_640x480;
365 break;
366 default: /* fallback to CRT 640x480 */
367 cmx2xx_display = &generic_crt_640x480;
368 break;
369 }
370 return 1;
371}
372
373/*
374 This should be done really early to get proper configuration for
375 frame buffer.
376 Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
377 has limitied line length for kernel command line, and also it will
378 break compatibitlty with proprietary releases already in field.
379*/
380__setup("monitor=", cmx2xx_set_display);
381
382static void __init cmx2xx_init_display(void)
383{
384 pxa_set_fb_info(NULL, cmx2xx_display);
385}
386#else
387static inline void cmx2xx_init_display(void) {}
388#endif
389
390#ifdef CONFIG_PM
391static unsigned long sleep_save_msc[10];
392
393static int cmx2xx_suspend(void)
394{
395 cmx2xx_pci_suspend();
396
397 /* save MSC registers */
398 sleep_save_msc[0] = __raw_readl(MSC0);
399 sleep_save_msc[1] = __raw_readl(MSC1);
400 sleep_save_msc[2] = __raw_readl(MSC2);
401
402 /* setup power saving mode registers */
403 PCFR = 0x0;
404 PSLR = 0xff400000;
405 PMCR = 0x00000005;
406 PWER = 0x80000000;
407 PFER = 0x00000000;
408 PRER = 0x00000000;
409 PGSR0 = 0xC0018800;
410 PGSR1 = 0x004F0002;
411 PGSR2 = 0x6021C000;
412 PGSR3 = 0x00020000;
413
414 return 0;
415}
416
417static void cmx2xx_resume(void)
418{
419 cmx2xx_pci_resume();
420
421 /* restore MSC registers */
422 __raw_writel(sleep_save_msc[0], MSC0);
423 __raw_writel(sleep_save_msc[1], MSC1);
424 __raw_writel(sleep_save_msc[2], MSC2);
425}
426
427static struct syscore_ops cmx2xx_pm_syscore_ops = {
428 .resume = cmx2xx_resume,
429 .suspend = cmx2xx_suspend,
430};
431
432static int __init cmx2xx_pm_init(void)
433{
434 register_syscore_ops(&cmx2xx_pm_syscore_ops);
435
436 return 0;
437}
438#else
439static int __init cmx2xx_pm_init(void) { return 0; }
440#endif
441
442#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
443static void __init cmx2xx_init_ac97(void)
444{
445 pxa_set_ac97_info(NULL);
446}
447#else
448static inline void cmx2xx_init_ac97(void) {}
449#endif
450
451static void __init cmx2xx_init(void)
452{
453 pxa_set_ffuart_info(NULL);
454 pxa_set_btuart_info(NULL);
455 pxa_set_stuart_info(NULL);
456
457 cmx2xx_pm_init();
458
459 if (cpu_is_pxa25x())
460 cmx255_init();
461 else
462 cmx270_init();
463
464 cmx2xx_init_dm9000();
465 cmx2xx_init_display();
466 cmx2xx_init_ac97();
467 cmx2xx_init_touchscreen();
468 cmx2xx_init_leds();
469}
470
471static void __init cmx2xx_init_irq(void)
472{
473 if (cpu_is_pxa25x()) {
474 pxa25x_init_irq();
475 cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
476 } else {
477 pxa27x_init_irq();
478 cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
479 }
480}
481
482#ifdef CONFIG_PCI
483/* Map PCI companion statically */
484static struct map_desc cmx2xx_io_desc[] __initdata = {
485 [0] = { /* PCI bridge */
486 .virtual = (unsigned long)CMX2XX_IT8152_VIRT,
487 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
488 .length = SZ_64M,
489 .type = MT_DEVICE
490 },
491};
492
493static void __init cmx2xx_map_io(void)
494{
495 if (cpu_is_pxa25x())
496 pxa25x_map_io();
497
498 if (cpu_is_pxa27x())
499 pxa27x_map_io();
500
501 iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
502
503 it8152_base_address = CMX2XX_IT8152_VIRT;
504}
505#else
506static void __init cmx2xx_map_io(void)
507{
508 if (cpu_is_pxa25x())
509 pxa25x_map_io();
510
511 if (cpu_is_pxa27x())
512 pxa27x_map_io();
513}
514#endif
515
516MACHINE_START(ARMCORE, "Compulab CM-X2XX")
517 .atag_offset = 0x100,
518 .map_io = cmx2xx_map_io,
519 .nr_irqs = CMX2XX_NR_IRQS,
520 .init_irq = cmx2xx_init_irq,
521 /* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
522 .handle_irq = pxa25x_handle_irq,
523 .init_time = pxa_timer_init,
524 .init_machine = cmx2xx_init,
525#ifdef CONFIG_PCI
526 .dma_zone_size = SZ_64M,
527#endif
528 .restart = pxa_restart,
529MACHINE_END
1/*
2 * linux/arch/arm/mach-pxa/cm-x2xx.c
3 *
4 * Copyright (C) 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/syscore_ops.h>
14#include <linux/irq.h>
15#include <linux/gpio.h>
16#include <linux/regulator/machine.h>
17
18#include <linux/dm9000.h>
19#include <linux/leds.h>
20
21#include <asm/mach/arch.h>
22#include <asm/mach-types.h>
23#include <asm/mach/map.h>
24
25#include "pxa25x.h"
26#undef GPIO24_SSP1_SFRM
27#undef GPIO86_GPIO
28#undef GPIO87_GPIO
29#undef GPIO88_GPIO
30#undef GPIO89_GPIO
31#include "pxa27x.h"
32#undef GPIO24_SSP1_SFRM
33#undef GPIO86_GPIO
34#undef GPIO87_GPIO
35#undef GPIO88_GPIO
36#undef GPIO89_GPIO
37#include <mach/audio.h>
38#include <linux/platform_data/video-pxafb.h>
39#include <mach/smemc.h>
40
41#include <asm/hardware/it8152.h>
42
43#include "generic.h"
44#include "cm-x2xx-pci.h"
45
46extern void cmx255_init(void);
47extern void cmx270_init(void);
48
49/* reserve IRQs for IT8152 */
50#define CMX2XX_NR_IRQS (IRQ_BOARD_START + 40)
51
52/* virtual addresses for statically mapped regions */
53#define CMX2XX_VIRT_BASE (void __iomem *)(0xe8000000)
54#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
55
56/* physical address if local-bus attached devices */
57#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
58#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
59
60/* leds */
61#define CMX255_GPIO_RED (27)
62#define CMX255_GPIO_GREEN (32)
63#define CMX270_GPIO_RED (93)
64#define CMX270_GPIO_GREEN (94)
65
66/* GPIO IRQ usage */
67#define GPIO22_ETHIRQ (22)
68#define GPIO10_ETHIRQ (10)
69#define CMX255_GPIO_IT8152_IRQ (0)
70#define CMX270_GPIO_IT8152_IRQ (22)
71
72#define CMX255_ETHIRQ PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
73#define CMX270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)
74
75#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
76static struct resource cmx255_dm9000_resource[] = {
77 [0] = {
78 .start = CMX255_DM9000_PHYS_BASE,
79 .end = CMX255_DM9000_PHYS_BASE + 3,
80 .flags = IORESOURCE_MEM,
81 },
82 [1] = {
83 .start = CMX255_DM9000_PHYS_BASE + 4,
84 .end = CMX255_DM9000_PHYS_BASE + 4 + 500,
85 .flags = IORESOURCE_MEM,
86 },
87 [2] = {
88 .start = CMX255_ETHIRQ,
89 .end = CMX255_ETHIRQ,
90 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
91 }
92};
93
94static struct resource cmx270_dm9000_resource[] = {
95 [0] = {
96 .start = CMX270_DM9000_PHYS_BASE,
97 .end = CMX270_DM9000_PHYS_BASE + 3,
98 .flags = IORESOURCE_MEM,
99 },
100 [1] = {
101 .start = CMX270_DM9000_PHYS_BASE + 8,
102 .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
103 .flags = IORESOURCE_MEM,
104 },
105 [2] = {
106 .start = CMX270_ETHIRQ,
107 .end = CMX270_ETHIRQ,
108 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
109 }
110};
111
112static struct dm9000_plat_data cmx270_dm9000_platdata = {
113 .flags = DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
114};
115
116static struct platform_device cmx2xx_dm9000_device = {
117 .name = "dm9000",
118 .id = 0,
119 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
120 .dev = {
121 .platform_data = &cmx270_dm9000_platdata,
122 }
123};
124
125static void __init cmx2xx_init_dm9000(void)
126{
127 if (cpu_is_pxa25x())
128 cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
129 else
130 cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
131 platform_device_register(&cmx2xx_dm9000_device);
132}
133#else
134static inline void cmx2xx_init_dm9000(void) {}
135#endif
136
137/* UCB1400 touchscreen controller */
138#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
139static struct platform_device cmx2xx_ts_device = {
140 .name = "ucb1400_core",
141 .id = -1,
142};
143
144static void __init cmx2xx_init_touchscreen(void)
145{
146 platform_device_register(&cmx2xx_ts_device);
147}
148#else
149static inline void cmx2xx_init_touchscreen(void) {}
150#endif
151
152/* CM-X270 LEDs */
153#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
154static struct gpio_led cmx2xx_leds[] = {
155 [0] = {
156 .name = "cm-x2xx:red",
157 .default_trigger = "nand-disk",
158 .active_low = 1,
159 },
160 [1] = {
161 .name = "cm-x2xx:green",
162 .default_trigger = "heartbeat",
163 .active_low = 1,
164 },
165};
166
167static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
168 .num_leds = ARRAY_SIZE(cmx2xx_leds),
169 .leds = cmx2xx_leds,
170};
171
172static struct platform_device cmx2xx_led_device = {
173 .name = "leds-gpio",
174 .id = -1,
175 .dev = {
176 .platform_data = &cmx2xx_gpio_led_pdata,
177 },
178};
179
180static void __init cmx2xx_init_leds(void)
181{
182 if (cpu_is_pxa25x()) {
183 cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
184 cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
185 } else {
186 cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
187 cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
188 }
189 platform_device_register(&cmx2xx_led_device);
190}
191#else
192static inline void cmx2xx_init_leds(void) {}
193#endif
194
195#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
196/*
197 Display definitions
198 keep these for backwards compatibility, although symbolic names (as
199 e.g. in lpd270.c) looks better
200*/
201#define MTYPE_STN320x240 0
202#define MTYPE_TFT640x480 1
203#define MTYPE_CRT640x480 2
204#define MTYPE_CRT800x600 3
205#define MTYPE_TFT320x240 6
206#define MTYPE_STN640x480 7
207
208static struct pxafb_mode_info generic_stn_320x240_mode = {
209 .pixclock = 76923,
210 .bpp = 8,
211 .xres = 320,
212 .yres = 240,
213 .hsync_len = 3,
214 .vsync_len = 2,
215 .left_margin = 3,
216 .upper_margin = 0,
217 .right_margin = 3,
218 .lower_margin = 0,
219 .sync = (FB_SYNC_HOR_HIGH_ACT |
220 FB_SYNC_VERT_HIGH_ACT),
221 .cmap_greyscale = 0,
222};
223
224static struct pxafb_mach_info generic_stn_320x240 = {
225 .modes = &generic_stn_320x240_mode,
226 .num_modes = 1,
227 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
228 LCD_AC_BIAS_FREQ(0xff),
229 .cmap_inverse = 0,
230 .cmap_static = 0,
231};
232
233static struct pxafb_mode_info generic_tft_640x480_mode = {
234 .pixclock = 38461,
235 .bpp = 8,
236 .xres = 640,
237 .yres = 480,
238 .hsync_len = 60,
239 .vsync_len = 2,
240 .left_margin = 70,
241 .upper_margin = 10,
242 .right_margin = 70,
243 .lower_margin = 5,
244 .sync = 0,
245 .cmap_greyscale = 0,
246};
247
248static struct pxafb_mach_info generic_tft_640x480 = {
249 .modes = &generic_tft_640x480_mode,
250 .num_modes = 1,
251 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
252 LCD_AC_BIAS_FREQ(0xff),
253 .cmap_inverse = 0,
254 .cmap_static = 0,
255};
256
257static struct pxafb_mode_info generic_crt_640x480_mode = {
258 .pixclock = 38461,
259 .bpp = 8,
260 .xres = 640,
261 .yres = 480,
262 .hsync_len = 63,
263 .vsync_len = 2,
264 .left_margin = 81,
265 .upper_margin = 33,
266 .right_margin = 16,
267 .lower_margin = 10,
268 .sync = (FB_SYNC_HOR_HIGH_ACT |
269 FB_SYNC_VERT_HIGH_ACT),
270 .cmap_greyscale = 0,
271};
272
273static struct pxafb_mach_info generic_crt_640x480 = {
274 .modes = &generic_crt_640x480_mode,
275 .num_modes = 1,
276 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
277 .cmap_inverse = 0,
278 .cmap_static = 0,
279};
280
281static struct pxafb_mode_info generic_crt_800x600_mode = {
282 .pixclock = 28846,
283 .bpp = 8,
284 .xres = 800,
285 .yres = 600,
286 .hsync_len = 63,
287 .vsync_len = 2,
288 .left_margin = 26,
289 .upper_margin = 21,
290 .right_margin = 26,
291 .lower_margin = 11,
292 .sync = (FB_SYNC_HOR_HIGH_ACT |
293 FB_SYNC_VERT_HIGH_ACT),
294 .cmap_greyscale = 0,
295};
296
297static struct pxafb_mach_info generic_crt_800x600 = {
298 .modes = &generic_crt_800x600_mode,
299 .num_modes = 1,
300 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
301 .cmap_inverse = 0,
302 .cmap_static = 0,
303};
304
305static struct pxafb_mode_info generic_tft_320x240_mode = {
306 .pixclock = 134615,
307 .bpp = 16,
308 .xres = 320,
309 .yres = 240,
310 .hsync_len = 63,
311 .vsync_len = 7,
312 .left_margin = 75,
313 .upper_margin = 0,
314 .right_margin = 15,
315 .lower_margin = 15,
316 .sync = 0,
317 .cmap_greyscale = 0,
318};
319
320static struct pxafb_mach_info generic_tft_320x240 = {
321 .modes = &generic_tft_320x240_mode,
322 .num_modes = 1,
323 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
324 .cmap_inverse = 0,
325 .cmap_static = 0,
326};
327
328static struct pxafb_mode_info generic_stn_640x480_mode = {
329 .pixclock = 57692,
330 .bpp = 8,
331 .xres = 640,
332 .yres = 480,
333 .hsync_len = 4,
334 .vsync_len = 2,
335 .left_margin = 10,
336 .upper_margin = 5,
337 .right_margin = 10,
338 .lower_margin = 5,
339 .sync = (FB_SYNC_HOR_HIGH_ACT |
340 FB_SYNC_VERT_HIGH_ACT),
341 .cmap_greyscale = 0,
342};
343
344static struct pxafb_mach_info generic_stn_640x480 = {
345 .modes = &generic_stn_640x480_mode,
346 .num_modes = 1,
347 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
348 .cmap_inverse = 0,
349 .cmap_static = 0,
350};
351
352static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
353
354static int __init cmx2xx_set_display(char *str)
355{
356 int disp_type = simple_strtol(str, NULL, 0);
357 switch (disp_type) {
358 case MTYPE_STN320x240:
359 cmx2xx_display = &generic_stn_320x240;
360 break;
361 case MTYPE_TFT640x480:
362 cmx2xx_display = &generic_tft_640x480;
363 break;
364 case MTYPE_CRT640x480:
365 cmx2xx_display = &generic_crt_640x480;
366 break;
367 case MTYPE_CRT800x600:
368 cmx2xx_display = &generic_crt_800x600;
369 break;
370 case MTYPE_TFT320x240:
371 cmx2xx_display = &generic_tft_320x240;
372 break;
373 case MTYPE_STN640x480:
374 cmx2xx_display = &generic_stn_640x480;
375 break;
376 default: /* fallback to CRT 640x480 */
377 cmx2xx_display = &generic_crt_640x480;
378 break;
379 }
380 return 1;
381}
382
383/*
384 This should be done really early to get proper configuration for
385 frame buffer.
386 Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
387 has limitied line length for kernel command line, and also it will
388 break compatibitlty with proprietary releases already in field.
389*/
390__setup("monitor=", cmx2xx_set_display);
391
392static void __init cmx2xx_init_display(void)
393{
394 pxa_set_fb_info(NULL, cmx2xx_display);
395}
396#else
397static inline void cmx2xx_init_display(void) {}
398#endif
399
400#ifdef CONFIG_PM
401static unsigned long sleep_save_msc[10];
402
403static int cmx2xx_suspend(void)
404{
405 cmx2xx_pci_suspend();
406
407 /* save MSC registers */
408 sleep_save_msc[0] = __raw_readl(MSC0);
409 sleep_save_msc[1] = __raw_readl(MSC1);
410 sleep_save_msc[2] = __raw_readl(MSC2);
411
412 /* setup power saving mode registers */
413 PCFR = 0x0;
414 PSLR = 0xff400000;
415 PMCR = 0x00000005;
416 PWER = 0x80000000;
417 PFER = 0x00000000;
418 PRER = 0x00000000;
419 PGSR0 = 0xC0018800;
420 PGSR1 = 0x004F0002;
421 PGSR2 = 0x6021C000;
422 PGSR3 = 0x00020000;
423
424 return 0;
425}
426
427static void cmx2xx_resume(void)
428{
429 cmx2xx_pci_resume();
430
431 /* restore MSC registers */
432 __raw_writel(sleep_save_msc[0], MSC0);
433 __raw_writel(sleep_save_msc[1], MSC1);
434 __raw_writel(sleep_save_msc[2], MSC2);
435}
436
437static struct syscore_ops cmx2xx_pm_syscore_ops = {
438 .resume = cmx2xx_resume,
439 .suspend = cmx2xx_suspend,
440};
441
442static int __init cmx2xx_pm_init(void)
443{
444 register_syscore_ops(&cmx2xx_pm_syscore_ops);
445
446 return 0;
447}
448#else
449static int __init cmx2xx_pm_init(void) { return 0; }
450#endif
451
452#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
453static void __init cmx2xx_init_ac97(void)
454{
455 pxa_set_ac97_info(NULL);
456}
457#else
458static inline void cmx2xx_init_ac97(void) {}
459#endif
460
461static void __init cmx2xx_init(void)
462{
463 pxa_set_ffuart_info(NULL);
464 pxa_set_btuart_info(NULL);
465 pxa_set_stuart_info(NULL);
466
467 cmx2xx_pm_init();
468
469 if (cpu_is_pxa25x())
470 cmx255_init();
471 else
472 cmx270_init();
473
474 cmx2xx_init_dm9000();
475 cmx2xx_init_display();
476 cmx2xx_init_ac97();
477 cmx2xx_init_touchscreen();
478 cmx2xx_init_leds();
479
480 regulator_has_full_constraints();
481}
482
483static void __init cmx2xx_init_irq(void)
484{
485 if (cpu_is_pxa25x()) {
486 pxa25x_init_irq();
487 cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
488 } else {
489 pxa27x_init_irq();
490 cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
491 }
492}
493
494#ifdef CONFIG_PCI
495/* Map PCI companion statically */
496static struct map_desc cmx2xx_io_desc[] __initdata = {
497 [0] = { /* PCI bridge */
498 .virtual = (unsigned long)CMX2XX_IT8152_VIRT,
499 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
500 .length = SZ_64M,
501 .type = MT_DEVICE
502 },
503};
504
505static void __init cmx2xx_map_io(void)
506{
507 if (cpu_is_pxa25x())
508 pxa25x_map_io();
509
510 if (cpu_is_pxa27x())
511 pxa27x_map_io();
512
513 iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
514
515 it8152_base_address = CMX2XX_IT8152_VIRT;
516}
517#else
518static void __init cmx2xx_map_io(void)
519{
520 if (cpu_is_pxa25x())
521 pxa25x_map_io();
522
523 if (cpu_is_pxa27x())
524 pxa27x_map_io();
525}
526#endif
527
528MACHINE_START(ARMCORE, "Compulab CM-X2XX")
529 .atag_offset = 0x100,
530 .map_io = cmx2xx_map_io,
531 .nr_irqs = CMX2XX_NR_IRQS,
532 .init_irq = cmx2xx_init_irq,
533 /* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
534 .handle_irq = pxa25x_handle_irq,
535 .init_time = pxa_timer_init,
536 .init_machine = cmx2xx_init,
537#ifdef CONFIG_PCI
538 .dma_zone_size = SZ_64M,
539#endif
540 .restart = pxa_restart,
541MACHINE_END