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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#include <mach/pxa27x.h>
26#include <mach/audio.h>
27#include <mach/pxafb.h>
28#include <mach/smemc.h>
29
30#include <asm/hardware/it8152.h>
31
32#include "generic.h"
33#include "cm-x2xx-pci.h"
34
35extern void cmx255_init(void);
36extern void cmx270_init(void);
37
38/* reserve IRQs for IT8152 */
39#define CMX2XX_NR_IRQS (IRQ_BOARD_START + 40)
40
41/* virtual addresses for statically mapped regions */
42#define CMX2XX_VIRT_BASE (void __iomem *)(0xe8000000)
43#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
44
45/* physical address if local-bus attached devices */
46#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
47#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
48
49/* leds */
50#define CMX255_GPIO_RED (27)
51#define CMX255_GPIO_GREEN (32)
52#define CMX270_GPIO_RED (93)
53#define CMX270_GPIO_GREEN (94)
54
55/* GPIO IRQ usage */
56#define GPIO22_ETHIRQ (22)
57#define GPIO10_ETHIRQ (10)
58#define CMX255_GPIO_IT8152_IRQ (0)
59#define CMX270_GPIO_IT8152_IRQ (22)
60
61#define CMX255_ETHIRQ PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
62#define CMX270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)
63
64#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
65static struct resource cmx255_dm9000_resource[] = {
66 [0] = {
67 .start = CMX255_DM9000_PHYS_BASE,
68 .end = CMX255_DM9000_PHYS_BASE + 3,
69 .flags = IORESOURCE_MEM,
70 },
71 [1] = {
72 .start = CMX255_DM9000_PHYS_BASE + 4,
73 .end = CMX255_DM9000_PHYS_BASE + 4 + 500,
74 .flags = IORESOURCE_MEM,
75 },
76 [2] = {
77 .start = CMX255_ETHIRQ,
78 .end = CMX255_ETHIRQ,
79 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
80 }
81};
82
83static struct resource cmx270_dm9000_resource[] = {
84 [0] = {
85 .start = CMX270_DM9000_PHYS_BASE,
86 .end = CMX270_DM9000_PHYS_BASE + 3,
87 .flags = IORESOURCE_MEM,
88 },
89 [1] = {
90 .start = CMX270_DM9000_PHYS_BASE + 8,
91 .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
92 .flags = IORESOURCE_MEM,
93 },
94 [2] = {
95 .start = CMX270_ETHIRQ,
96 .end = CMX270_ETHIRQ,
97 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
98 }
99};
100
101static struct dm9000_plat_data cmx270_dm9000_platdata = {
102 .flags = DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
103};
104
105static struct platform_device cmx2xx_dm9000_device = {
106 .name = "dm9000",
107 .id = 0,
108 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
109 .dev = {
110 .platform_data = &cmx270_dm9000_platdata,
111 }
112};
113
114static void __init cmx2xx_init_dm9000(void)
115{
116 if (cpu_is_pxa25x())
117 cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
118 else
119 cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
120 platform_device_register(&cmx2xx_dm9000_device);
121}
122#else
123static inline void cmx2xx_init_dm9000(void) {}
124#endif
125
126/* UCB1400 touchscreen controller */
127#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
128static struct platform_device cmx2xx_ts_device = {
129 .name = "ucb1400_core",
130 .id = -1,
131};
132
133static void __init cmx2xx_init_touchscreen(void)
134{
135 platform_device_register(&cmx2xx_ts_device);
136}
137#else
138static inline void cmx2xx_init_touchscreen(void) {}
139#endif
140
141/* CM-X270 LEDs */
142#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
143static struct gpio_led cmx2xx_leds[] = {
144 [0] = {
145 .name = "cm-x2xx:red",
146 .default_trigger = "nand-disk",
147 .active_low = 1,
148 },
149 [1] = {
150 .name = "cm-x2xx:green",
151 .default_trigger = "heartbeat",
152 .active_low = 1,
153 },
154};
155
156static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
157 .num_leds = ARRAY_SIZE(cmx2xx_leds),
158 .leds = cmx2xx_leds,
159};
160
161static struct platform_device cmx2xx_led_device = {
162 .name = "leds-gpio",
163 .id = -1,
164 .dev = {
165 .platform_data = &cmx2xx_gpio_led_pdata,
166 },
167};
168
169static void __init cmx2xx_init_leds(void)
170{
171 if (cpu_is_pxa25x()) {
172 cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
173 cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
174 } else {
175 cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
176 cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
177 }
178 platform_device_register(&cmx2xx_led_device);
179}
180#else
181static inline void cmx2xx_init_leds(void) {}
182#endif
183
184#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
185/*
186 Display definitions
187 keep these for backwards compatibility, although symbolic names (as
188 e.g. in lpd270.c) looks better
189*/
190#define MTYPE_STN320x240 0
191#define MTYPE_TFT640x480 1
192#define MTYPE_CRT640x480 2
193#define MTYPE_CRT800x600 3
194#define MTYPE_TFT320x240 6
195#define MTYPE_STN640x480 7
196
197static struct pxafb_mode_info generic_stn_320x240_mode = {
198 .pixclock = 76923,
199 .bpp = 8,
200 .xres = 320,
201 .yres = 240,
202 .hsync_len = 3,
203 .vsync_len = 2,
204 .left_margin = 3,
205 .upper_margin = 0,
206 .right_margin = 3,
207 .lower_margin = 0,
208 .sync = (FB_SYNC_HOR_HIGH_ACT |
209 FB_SYNC_VERT_HIGH_ACT),
210 .cmap_greyscale = 0,
211};
212
213static struct pxafb_mach_info generic_stn_320x240 = {
214 .modes = &generic_stn_320x240_mode,
215 .num_modes = 1,
216 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
217 LCD_AC_BIAS_FREQ(0xff),
218 .cmap_inverse = 0,
219 .cmap_static = 0,
220};
221
222static struct pxafb_mode_info generic_tft_640x480_mode = {
223 .pixclock = 38461,
224 .bpp = 8,
225 .xres = 640,
226 .yres = 480,
227 .hsync_len = 60,
228 .vsync_len = 2,
229 .left_margin = 70,
230 .upper_margin = 10,
231 .right_margin = 70,
232 .lower_margin = 5,
233 .sync = 0,
234 .cmap_greyscale = 0,
235};
236
237static struct pxafb_mach_info generic_tft_640x480 = {
238 .modes = &generic_tft_640x480_mode,
239 .num_modes = 1,
240 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
241 LCD_AC_BIAS_FREQ(0xff),
242 .cmap_inverse = 0,
243 .cmap_static = 0,
244};
245
246static struct pxafb_mode_info generic_crt_640x480_mode = {
247 .pixclock = 38461,
248 .bpp = 8,
249 .xres = 640,
250 .yres = 480,
251 .hsync_len = 63,
252 .vsync_len = 2,
253 .left_margin = 81,
254 .upper_margin = 33,
255 .right_margin = 16,
256 .lower_margin = 10,
257 .sync = (FB_SYNC_HOR_HIGH_ACT |
258 FB_SYNC_VERT_HIGH_ACT),
259 .cmap_greyscale = 0,
260};
261
262static struct pxafb_mach_info generic_crt_640x480 = {
263 .modes = &generic_crt_640x480_mode,
264 .num_modes = 1,
265 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
266 .cmap_inverse = 0,
267 .cmap_static = 0,
268};
269
270static struct pxafb_mode_info generic_crt_800x600_mode = {
271 .pixclock = 28846,
272 .bpp = 8,
273 .xres = 800,
274 .yres = 600,
275 .hsync_len = 63,
276 .vsync_len = 2,
277 .left_margin = 26,
278 .upper_margin = 21,
279 .right_margin = 26,
280 .lower_margin = 11,
281 .sync = (FB_SYNC_HOR_HIGH_ACT |
282 FB_SYNC_VERT_HIGH_ACT),
283 .cmap_greyscale = 0,
284};
285
286static struct pxafb_mach_info generic_crt_800x600 = {
287 .modes = &generic_crt_800x600_mode,
288 .num_modes = 1,
289 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
290 .cmap_inverse = 0,
291 .cmap_static = 0,
292};
293
294static struct pxafb_mode_info generic_tft_320x240_mode = {
295 .pixclock = 134615,
296 .bpp = 16,
297 .xres = 320,
298 .yres = 240,
299 .hsync_len = 63,
300 .vsync_len = 7,
301 .left_margin = 75,
302 .upper_margin = 0,
303 .right_margin = 15,
304 .lower_margin = 15,
305 .sync = 0,
306 .cmap_greyscale = 0,
307};
308
309static struct pxafb_mach_info generic_tft_320x240 = {
310 .modes = &generic_tft_320x240_mode,
311 .num_modes = 1,
312 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
313 .cmap_inverse = 0,
314 .cmap_static = 0,
315};
316
317static struct pxafb_mode_info generic_stn_640x480_mode = {
318 .pixclock = 57692,
319 .bpp = 8,
320 .xres = 640,
321 .yres = 480,
322 .hsync_len = 4,
323 .vsync_len = 2,
324 .left_margin = 10,
325 .upper_margin = 5,
326 .right_margin = 10,
327 .lower_margin = 5,
328 .sync = (FB_SYNC_HOR_HIGH_ACT |
329 FB_SYNC_VERT_HIGH_ACT),
330 .cmap_greyscale = 0,
331};
332
333static struct pxafb_mach_info generic_stn_640x480 = {
334 .modes = &generic_stn_640x480_mode,
335 .num_modes = 1,
336 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
337 .cmap_inverse = 0,
338 .cmap_static = 0,
339};
340
341static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
342
343static int __init cmx2xx_set_display(char *str)
344{
345 int disp_type = simple_strtol(str, NULL, 0);
346 switch (disp_type) {
347 case MTYPE_STN320x240:
348 cmx2xx_display = &generic_stn_320x240;
349 break;
350 case MTYPE_TFT640x480:
351 cmx2xx_display = &generic_tft_640x480;
352 break;
353 case MTYPE_CRT640x480:
354 cmx2xx_display = &generic_crt_640x480;
355 break;
356 case MTYPE_CRT800x600:
357 cmx2xx_display = &generic_crt_800x600;
358 break;
359 case MTYPE_TFT320x240:
360 cmx2xx_display = &generic_tft_320x240;
361 break;
362 case MTYPE_STN640x480:
363 cmx2xx_display = &generic_stn_640x480;
364 break;
365 default: /* fallback to CRT 640x480 */
366 cmx2xx_display = &generic_crt_640x480;
367 break;
368 }
369 return 1;
370}
371
372/*
373 This should be done really early to get proper configuration for
374 frame buffer.
375 Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
376 has limitied line length for kernel command line, and also it will
377 break compatibitlty with proprietary releases already in field.
378*/
379__setup("monitor=", cmx2xx_set_display);
380
381static void __init cmx2xx_init_display(void)
382{
383 pxa_set_fb_info(NULL, cmx2xx_display);
384}
385#else
386static inline void cmx2xx_init_display(void) {}
387#endif
388
389#ifdef CONFIG_PM
390static unsigned long sleep_save_msc[10];
391
392static int cmx2xx_suspend(void)
393{
394 cmx2xx_pci_suspend();
395
396 /* save MSC registers */
397 sleep_save_msc[0] = __raw_readl(MSC0);
398 sleep_save_msc[1] = __raw_readl(MSC1);
399 sleep_save_msc[2] = __raw_readl(MSC2);
400
401 /* setup power saving mode registers */
402 PCFR = 0x0;
403 PSLR = 0xff400000;
404 PMCR = 0x00000005;
405 PWER = 0x80000000;
406 PFER = 0x00000000;
407 PRER = 0x00000000;
408 PGSR0 = 0xC0018800;
409 PGSR1 = 0x004F0002;
410 PGSR2 = 0x6021C000;
411 PGSR3 = 0x00020000;
412
413 return 0;
414}
415
416static void cmx2xx_resume(void)
417{
418 cmx2xx_pci_resume();
419
420 /* restore MSC registers */
421 __raw_writel(sleep_save_msc[0], MSC0);
422 __raw_writel(sleep_save_msc[1], MSC1);
423 __raw_writel(sleep_save_msc[2], MSC2);
424}
425
426static struct syscore_ops cmx2xx_pm_syscore_ops = {
427 .resume = cmx2xx_resume,
428 .suspend = cmx2xx_suspend,
429};
430
431static int __init cmx2xx_pm_init(void)
432{
433 register_syscore_ops(&cmx2xx_pm_syscore_ops);
434
435 return 0;
436}
437#else
438static int __init cmx2xx_pm_init(void) { return 0; }
439#endif
440
441#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
442static void __init cmx2xx_init_ac97(void)
443{
444 pxa_set_ac97_info(NULL);
445}
446#else
447static inline void cmx2xx_init_ac97(void) {}
448#endif
449
450static void __init cmx2xx_init(void)
451{
452 pxa_set_ffuart_info(NULL);
453 pxa_set_btuart_info(NULL);
454 pxa_set_stuart_info(NULL);
455
456 cmx2xx_pm_init();
457
458 if (cpu_is_pxa25x())
459 cmx255_init();
460 else
461 cmx270_init();
462
463 cmx2xx_init_dm9000();
464 cmx2xx_init_display();
465 cmx2xx_init_ac97();
466 cmx2xx_init_touchscreen();
467 cmx2xx_init_leds();
468}
469
470static void __init cmx2xx_init_irq(void)
471{
472 if (cpu_is_pxa25x()) {
473 pxa25x_init_irq();
474 cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
475 } else {
476 pxa27x_init_irq();
477 cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
478 }
479}
480
481#ifdef CONFIG_PCI
482/* Map PCI companion statically */
483static struct map_desc cmx2xx_io_desc[] __initdata = {
484 [0] = { /* PCI bridge */
485 .virtual = (unsigned long)CMX2XX_IT8152_VIRT,
486 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
487 .length = SZ_64M,
488 .type = MT_DEVICE
489 },
490};
491
492static void __init cmx2xx_map_io(void)
493{
494 if (cpu_is_pxa25x())
495 pxa25x_map_io();
496
497 if (cpu_is_pxa27x())
498 pxa27x_map_io();
499
500 iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
501
502 it8152_base_address = CMX2XX_IT8152_VIRT;
503}
504#else
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#endif
514
515MACHINE_START(ARMCORE, "Compulab CM-X2XX")
516 .atag_offset = 0x100,
517 .map_io = cmx2xx_map_io,
518 .nr_irqs = CMX2XX_NR_IRQS,
519 .init_irq = cmx2xx_init_irq,
520 /* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
521 .handle_irq = pxa25x_handle_irq,
522 .timer = &pxa_timer,
523 .init_machine = cmx2xx_init,
524#ifdef CONFIG_PCI
525 .dma_zone_size = SZ_64M,
526#endif
527 .restart = pxa_restart,
528MACHINE_END
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-pxa/cm-x2xx.c
4 *
5 * Copyright (C) 2008 CompuLab, Ltd.
6 * Mike Rapoport <mike@compulab.co.il>
7 */
8
9#include <linux/platform_device.h>
10#include <linux/syscore_ops.h>
11#include <linux/irq.h>
12#include <linux/gpio.h>
13#include <linux/regulator/machine.h>
14
15#include <linux/dm9000.h>
16#include <linux/leds.h>
17
18#include <asm/mach/arch.h>
19#include <asm/mach-types.h>
20#include <asm/mach/map.h>
21
22#include "pxa25x.h"
23#undef GPIO24_SSP1_SFRM
24#undef GPIO86_GPIO
25#undef GPIO87_GPIO
26#undef GPIO88_GPIO
27#undef GPIO89_GPIO
28#include "pxa27x.h"
29#undef GPIO24_SSP1_SFRM
30#undef GPIO86_GPIO
31#undef GPIO87_GPIO
32#undef GPIO88_GPIO
33#undef GPIO89_GPIO
34#include <mach/audio.h>
35#include <linux/platform_data/video-pxafb.h>
36#include <mach/smemc.h>
37
38#include <asm/hardware/it8152.h>
39
40#include "generic.h"
41#include "cm-x2xx-pci.h"
42
43extern void cmx255_init(void);
44extern void cmx270_init(void);
45
46/* reserve IRQs for IT8152 */
47#define CMX2XX_NR_IRQS (IRQ_BOARD_START + 40)
48
49/* virtual addresses for statically mapped regions */
50#define CMX2XX_VIRT_BASE (void __iomem *)(0xe8000000)
51#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
52
53/* physical address if local-bus attached devices */
54#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
55#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
56
57/* leds */
58#define CMX255_GPIO_RED (27)
59#define CMX255_GPIO_GREEN (32)
60#define CMX270_GPIO_RED (93)
61#define CMX270_GPIO_GREEN (94)
62
63/* GPIO IRQ usage */
64#define GPIO22_ETHIRQ (22)
65#define GPIO10_ETHIRQ (10)
66#define CMX255_GPIO_IT8152_IRQ (0)
67#define CMX270_GPIO_IT8152_IRQ (22)
68
69#define CMX255_ETHIRQ PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
70#define CMX270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)
71
72#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
73static struct resource cmx255_dm9000_resource[] = {
74 [0] = {
75 .start = CMX255_DM9000_PHYS_BASE,
76 .end = CMX255_DM9000_PHYS_BASE + 3,
77 .flags = IORESOURCE_MEM,
78 },
79 [1] = {
80 .start = CMX255_DM9000_PHYS_BASE + 4,
81 .end = CMX255_DM9000_PHYS_BASE + 4 + 500,
82 .flags = IORESOURCE_MEM,
83 },
84 [2] = {
85 .start = CMX255_ETHIRQ,
86 .end = CMX255_ETHIRQ,
87 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
88 }
89};
90
91static struct resource cmx270_dm9000_resource[] = {
92 [0] = {
93 .start = CMX270_DM9000_PHYS_BASE,
94 .end = CMX270_DM9000_PHYS_BASE + 3,
95 .flags = IORESOURCE_MEM,
96 },
97 [1] = {
98 .start = CMX270_DM9000_PHYS_BASE + 8,
99 .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
100 .flags = IORESOURCE_MEM,
101 },
102 [2] = {
103 .start = CMX270_ETHIRQ,
104 .end = CMX270_ETHIRQ,
105 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
106 }
107};
108
109static struct dm9000_plat_data cmx270_dm9000_platdata = {
110 .flags = DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
111};
112
113static struct platform_device cmx2xx_dm9000_device = {
114 .name = "dm9000",
115 .id = 0,
116 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
117 .dev = {
118 .platform_data = &cmx270_dm9000_platdata,
119 }
120};
121
122static void __init cmx2xx_init_dm9000(void)
123{
124 if (cpu_is_pxa25x())
125 cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
126 else
127 cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
128 platform_device_register(&cmx2xx_dm9000_device);
129}
130#else
131static inline void cmx2xx_init_dm9000(void) {}
132#endif
133
134/* UCB1400 touchscreen controller */
135#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
136static struct platform_device cmx2xx_ts_device = {
137 .name = "ucb1400_core",
138 .id = -1,
139};
140
141static void __init cmx2xx_init_touchscreen(void)
142{
143 platform_device_register(&cmx2xx_ts_device);
144}
145#else
146static inline void cmx2xx_init_touchscreen(void) {}
147#endif
148
149/* CM-X270 LEDs */
150#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
151static struct gpio_led cmx2xx_leds[] = {
152 [0] = {
153 .name = "cm-x2xx:red",
154 .default_trigger = "nand-disk",
155 .active_low = 1,
156 },
157 [1] = {
158 .name = "cm-x2xx:green",
159 .default_trigger = "heartbeat",
160 .active_low = 1,
161 },
162};
163
164static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
165 .num_leds = ARRAY_SIZE(cmx2xx_leds),
166 .leds = cmx2xx_leds,
167};
168
169static struct platform_device cmx2xx_led_device = {
170 .name = "leds-gpio",
171 .id = -1,
172 .dev = {
173 .platform_data = &cmx2xx_gpio_led_pdata,
174 },
175};
176
177static void __init cmx2xx_init_leds(void)
178{
179 if (cpu_is_pxa25x()) {
180 cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
181 cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
182 } else {
183 cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
184 cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
185 }
186 platform_device_register(&cmx2xx_led_device);
187}
188#else
189static inline void cmx2xx_init_leds(void) {}
190#endif
191
192#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
193/*
194 Display definitions
195 keep these for backwards compatibility, although symbolic names (as
196 e.g. in lpd270.c) looks better
197*/
198#define MTYPE_STN320x240 0
199#define MTYPE_TFT640x480 1
200#define MTYPE_CRT640x480 2
201#define MTYPE_CRT800x600 3
202#define MTYPE_TFT320x240 6
203#define MTYPE_STN640x480 7
204
205static struct pxafb_mode_info generic_stn_320x240_mode = {
206 .pixclock = 76923,
207 .bpp = 8,
208 .xres = 320,
209 .yres = 240,
210 .hsync_len = 3,
211 .vsync_len = 2,
212 .left_margin = 3,
213 .upper_margin = 0,
214 .right_margin = 3,
215 .lower_margin = 0,
216 .sync = (FB_SYNC_HOR_HIGH_ACT |
217 FB_SYNC_VERT_HIGH_ACT),
218 .cmap_greyscale = 0,
219};
220
221static struct pxafb_mach_info generic_stn_320x240 = {
222 .modes = &generic_stn_320x240_mode,
223 .num_modes = 1,
224 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
225 LCD_AC_BIAS_FREQ(0xff),
226 .cmap_inverse = 0,
227 .cmap_static = 0,
228};
229
230static struct pxafb_mode_info generic_tft_640x480_mode = {
231 .pixclock = 38461,
232 .bpp = 8,
233 .xres = 640,
234 .yres = 480,
235 .hsync_len = 60,
236 .vsync_len = 2,
237 .left_margin = 70,
238 .upper_margin = 10,
239 .right_margin = 70,
240 .lower_margin = 5,
241 .sync = 0,
242 .cmap_greyscale = 0,
243};
244
245static struct pxafb_mach_info generic_tft_640x480 = {
246 .modes = &generic_tft_640x480_mode,
247 .num_modes = 1,
248 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
249 LCD_AC_BIAS_FREQ(0xff),
250 .cmap_inverse = 0,
251 .cmap_static = 0,
252};
253
254static struct pxafb_mode_info generic_crt_640x480_mode = {
255 .pixclock = 38461,
256 .bpp = 8,
257 .xres = 640,
258 .yres = 480,
259 .hsync_len = 63,
260 .vsync_len = 2,
261 .left_margin = 81,
262 .upper_margin = 33,
263 .right_margin = 16,
264 .lower_margin = 10,
265 .sync = (FB_SYNC_HOR_HIGH_ACT |
266 FB_SYNC_VERT_HIGH_ACT),
267 .cmap_greyscale = 0,
268};
269
270static struct pxafb_mach_info generic_crt_640x480 = {
271 .modes = &generic_crt_640x480_mode,
272 .num_modes = 1,
273 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
274 .cmap_inverse = 0,
275 .cmap_static = 0,
276};
277
278static struct pxafb_mode_info generic_crt_800x600_mode = {
279 .pixclock = 28846,
280 .bpp = 8,
281 .xres = 800,
282 .yres = 600,
283 .hsync_len = 63,
284 .vsync_len = 2,
285 .left_margin = 26,
286 .upper_margin = 21,
287 .right_margin = 26,
288 .lower_margin = 11,
289 .sync = (FB_SYNC_HOR_HIGH_ACT |
290 FB_SYNC_VERT_HIGH_ACT),
291 .cmap_greyscale = 0,
292};
293
294static struct pxafb_mach_info generic_crt_800x600 = {
295 .modes = &generic_crt_800x600_mode,
296 .num_modes = 1,
297 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
298 .cmap_inverse = 0,
299 .cmap_static = 0,
300};
301
302static struct pxafb_mode_info generic_tft_320x240_mode = {
303 .pixclock = 134615,
304 .bpp = 16,
305 .xres = 320,
306 .yres = 240,
307 .hsync_len = 63,
308 .vsync_len = 7,
309 .left_margin = 75,
310 .upper_margin = 0,
311 .right_margin = 15,
312 .lower_margin = 15,
313 .sync = 0,
314 .cmap_greyscale = 0,
315};
316
317static struct pxafb_mach_info generic_tft_320x240 = {
318 .modes = &generic_tft_320x240_mode,
319 .num_modes = 1,
320 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
321 .cmap_inverse = 0,
322 .cmap_static = 0,
323};
324
325static struct pxafb_mode_info generic_stn_640x480_mode = {
326 .pixclock = 57692,
327 .bpp = 8,
328 .xres = 640,
329 .yres = 480,
330 .hsync_len = 4,
331 .vsync_len = 2,
332 .left_margin = 10,
333 .upper_margin = 5,
334 .right_margin = 10,
335 .lower_margin = 5,
336 .sync = (FB_SYNC_HOR_HIGH_ACT |
337 FB_SYNC_VERT_HIGH_ACT),
338 .cmap_greyscale = 0,
339};
340
341static struct pxafb_mach_info generic_stn_640x480 = {
342 .modes = &generic_stn_640x480_mode,
343 .num_modes = 1,
344 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
345 .cmap_inverse = 0,
346 .cmap_static = 0,
347};
348
349static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
350
351static int __init cmx2xx_set_display(char *str)
352{
353 int disp_type = simple_strtol(str, NULL, 0);
354 switch (disp_type) {
355 case MTYPE_STN320x240:
356 cmx2xx_display = &generic_stn_320x240;
357 break;
358 case MTYPE_TFT640x480:
359 cmx2xx_display = &generic_tft_640x480;
360 break;
361 case MTYPE_CRT640x480:
362 cmx2xx_display = &generic_crt_640x480;
363 break;
364 case MTYPE_CRT800x600:
365 cmx2xx_display = &generic_crt_800x600;
366 break;
367 case MTYPE_TFT320x240:
368 cmx2xx_display = &generic_tft_320x240;
369 break;
370 case MTYPE_STN640x480:
371 cmx2xx_display = &generic_stn_640x480;
372 break;
373 default: /* fallback to CRT 640x480 */
374 cmx2xx_display = &generic_crt_640x480;
375 break;
376 }
377 return 1;
378}
379
380/*
381 This should be done really early to get proper configuration for
382 frame buffer.
383 Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
384 has limitied line length for kernel command line, and also it will
385 break compatibitlty with proprietary releases already in field.
386*/
387__setup("monitor=", cmx2xx_set_display);
388
389static void __init cmx2xx_init_display(void)
390{
391 pxa_set_fb_info(NULL, cmx2xx_display);
392}
393#else
394static inline void cmx2xx_init_display(void) {}
395#endif
396
397#ifdef CONFIG_PM
398static unsigned long sleep_save_msc[10];
399
400static int cmx2xx_suspend(void)
401{
402 cmx2xx_pci_suspend();
403
404 /* save MSC registers */
405 sleep_save_msc[0] = __raw_readl(MSC0);
406 sleep_save_msc[1] = __raw_readl(MSC1);
407 sleep_save_msc[2] = __raw_readl(MSC2);
408
409 /* setup power saving mode registers */
410 PCFR = 0x0;
411 PSLR = 0xff400000;
412 PMCR = 0x00000005;
413 PWER = 0x80000000;
414 PFER = 0x00000000;
415 PRER = 0x00000000;
416 PGSR0 = 0xC0018800;
417 PGSR1 = 0x004F0002;
418 PGSR2 = 0x6021C000;
419 PGSR3 = 0x00020000;
420
421 return 0;
422}
423
424static void cmx2xx_resume(void)
425{
426 cmx2xx_pci_resume();
427
428 /* restore MSC registers */
429 __raw_writel(sleep_save_msc[0], MSC0);
430 __raw_writel(sleep_save_msc[1], MSC1);
431 __raw_writel(sleep_save_msc[2], MSC2);
432}
433
434static struct syscore_ops cmx2xx_pm_syscore_ops = {
435 .resume = cmx2xx_resume,
436 .suspend = cmx2xx_suspend,
437};
438
439static int __init cmx2xx_pm_init(void)
440{
441 register_syscore_ops(&cmx2xx_pm_syscore_ops);
442
443 return 0;
444}
445#else
446static int __init cmx2xx_pm_init(void) { return 0; }
447#endif
448
449#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
450static void __init cmx2xx_init_ac97(void)
451{
452 pxa_set_ac97_info(NULL);
453}
454#else
455static inline void cmx2xx_init_ac97(void) {}
456#endif
457
458static void __init cmx2xx_init(void)
459{
460 pxa_set_ffuart_info(NULL);
461 pxa_set_btuart_info(NULL);
462 pxa_set_stuart_info(NULL);
463
464 cmx2xx_pm_init();
465
466 if (cpu_is_pxa25x())
467 cmx255_init();
468 else
469 cmx270_init();
470
471 cmx2xx_init_dm9000();
472 cmx2xx_init_display();
473 cmx2xx_init_ac97();
474 cmx2xx_init_touchscreen();
475 cmx2xx_init_leds();
476
477 regulator_has_full_constraints();
478}
479
480static void __init cmx2xx_init_irq(void)
481{
482 if (cpu_is_pxa25x()) {
483 pxa25x_init_irq();
484 cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
485 } else {
486 pxa27x_init_irq();
487 cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
488 }
489}
490
491#ifdef CONFIG_PCI
492/* Map PCI companion statically */
493static struct map_desc cmx2xx_io_desc[] __initdata = {
494 [0] = { /* PCI bridge */
495 .virtual = (unsigned long)CMX2XX_IT8152_VIRT,
496 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
497 .length = SZ_64M,
498 .type = MT_DEVICE
499 },
500};
501
502static void __init cmx2xx_map_io(void)
503{
504 if (cpu_is_pxa25x())
505 pxa25x_map_io();
506
507 if (cpu_is_pxa27x())
508 pxa27x_map_io();
509
510 iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
511
512 it8152_base_address = CMX2XX_IT8152_VIRT;
513}
514#else
515static void __init cmx2xx_map_io(void)
516{
517 if (cpu_is_pxa25x())
518 pxa25x_map_io();
519
520 if (cpu_is_pxa27x())
521 pxa27x_map_io();
522}
523#endif
524
525MACHINE_START(ARMCORE, "Compulab CM-X2XX")
526 .atag_offset = 0x100,
527 .map_io = cmx2xx_map_io,
528 .nr_irqs = CMX2XX_NR_IRQS,
529 .init_irq = cmx2xx_init_irq,
530 /* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
531 .handle_irq = pxa25x_handle_irq,
532 .init_time = pxa_timer_init,
533 .init_machine = cmx2xx_init,
534#ifdef CONFIG_PCI
535 .dma_zone_size = SZ_64M,
536#endif
537 .restart = pxa_restart,
538MACHINE_END