2 * linux/arch/arm/mach-pxa/cm-x2xx.c
4 * Copyright (C) 2008 CompuLab, Ltd.
5 * Mike Rapoport <mike@compulab.co.il>
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.
12 #include <linux/platform_device.h>
13 #include <linux/sysdev.h>
14 #include <linux/irq.h>
15 #include <linux/gpio.h>
17 #include <linux/dm9000.h>
18 #include <linux/leds.h>
20 #include <asm/mach/arch.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/map.h>
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>
30 #include <asm/hardware/it8152.h>
33 #include "cm-x2xx-pci.h"
35 extern void cmx270_init(void);
37 /* virtual addresses for statically mapped regions */
38 #define CMX2XX_VIRT_BASE (0xe8000000)
39 #define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
41 /* physical address if local-bus attached devices */
42 #define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
45 #define CMX270_GPIO_RED (93)
46 #define CMX270_GPIO_GREEN (94)
49 #define GPIO10_ETHIRQ (10)
50 #define CMX270_GPIO_IT8152_IRQ (22)
52 #define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
54 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
55 static struct resource cmx270_dm9000_resource[] = {
57 .start = CMX270_DM9000_PHYS_BASE,
58 .end = CMX270_DM9000_PHYS_BASE + 3,
59 .flags = IORESOURCE_MEM,
62 .start = CMX270_DM9000_PHYS_BASE + 8,
63 .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
64 .flags = IORESOURCE_MEM,
67 .start = CMX270_ETHIRQ,
69 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
73 static struct dm9000_plat_data cmx270_dm9000_platdata = {
74 .flags = DM9000_PLATF_32BITONLY,
77 static struct platform_device cmx2xx_dm9000_device = {
80 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
82 .platform_data = &cmx270_dm9000_platdata,
86 static void __init cmx2xx_init_dm9000(void)
88 cmx2xx_dm9000_device.resource = cmx270_dm9000_resource,
89 platform_device_register(&cmx2xx_dm9000_device);
92 static inline void cmx2xx_init_dm9000(void) {}
95 /* UCB1400 touchscreen controller */
96 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
97 static struct platform_device cmx2xx_ts_device = {
102 static void __init cmx2xx_init_touchscreen(void)
104 platform_device_register(&cmx2xx_ts_device);
107 static inline void cmx2xx_init_touchscreen(void) {}
111 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
112 static struct gpio_led cmx2xx_leds[] = {
114 .name = "cm-x2xx:red",
115 .default_trigger = "nand-disk",
119 .name = "cm-x2xx:green",
120 .default_trigger = "heartbeat",
125 static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
126 .num_leds = ARRAY_SIZE(cmx2xx_leds),
130 static struct platform_device cmx2xx_led_device = {
134 .platform_data = &cmx2xx_gpio_led_pdata,
138 static void __init cmx2xx_init_leds(void)
140 cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
141 cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
142 platform_device_register(&cmx2xx_led_device);
145 static inline void cmx2xx_init_leds(void) {}
148 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
151 keep these for backwards compatibility, although symbolic names (as
152 e.g. in lpd270.c) looks better
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
161 static struct pxafb_mode_info generic_stn_320x240_mode = {
172 .sync = (FB_SYNC_HOR_HIGH_ACT |
173 FB_SYNC_VERT_HIGH_ACT),
177 static struct pxafb_mach_info generic_stn_320x240 = {
178 .modes = &generic_stn_320x240_mode,
181 .lccr3 = (LCCR3_PixClkDiv(0x03) |
188 static struct pxafb_mode_info generic_tft_640x480_mode = {
203 static struct pxafb_mach_info generic_tft_640x480 = {
204 .modes = &generic_tft_640x480_mode,
206 .lccr0 = (LCCR0_PAS),
207 .lccr3 = (LCCR3_PixClkDiv(0x01) |
214 static struct pxafb_mode_info generic_crt_640x480_mode = {
225 .sync = (FB_SYNC_HOR_HIGH_ACT |
226 FB_SYNC_VERT_HIGH_ACT),
230 static struct pxafb_mach_info generic_crt_640x480 = {
231 .modes = &generic_crt_640x480_mode,
233 .lccr0 = (LCCR0_PAS),
234 .lccr3 = (LCCR3_PixClkDiv(0x01) |
240 static struct pxafb_mode_info generic_crt_800x600_mode = {
251 .sync = (FB_SYNC_HOR_HIGH_ACT |
252 FB_SYNC_VERT_HIGH_ACT),
256 static struct pxafb_mach_info generic_crt_800x600 = {
257 .modes = &generic_crt_800x600_mode,
259 .lccr0 = (LCCR0_PAS),
260 .lccr3 = (LCCR3_PixClkDiv(0x02) |
266 static struct pxafb_mode_info generic_tft_320x240_mode = {
281 static struct pxafb_mach_info generic_tft_320x240 = {
282 .modes = &generic_tft_320x240_mode,
284 .lccr0 = (LCCR0_PAS),
285 .lccr3 = (LCCR3_PixClkDiv(0x06) |
292 static struct pxafb_mode_info generic_stn_640x480_mode = {
303 .sync = (FB_SYNC_HOR_HIGH_ACT |
304 FB_SYNC_VERT_HIGH_ACT),
308 static struct pxafb_mach_info generic_stn_640x480 = {
309 .modes = &generic_stn_640x480_mode,
312 .lccr3 = (LCCR3_PixClkDiv(0x02) |
318 static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
320 static int __init cmx2xx_set_display(char *str)
322 int disp_type = simple_strtol(str, NULL, 0);
324 case MTYPE_STN320x240:
325 cmx2xx_display = &generic_stn_320x240;
327 case MTYPE_TFT640x480:
328 cmx2xx_display = &generic_tft_640x480;
330 case MTYPE_CRT640x480:
331 cmx2xx_display = &generic_crt_640x480;
333 case MTYPE_CRT800x600:
334 cmx2xx_display = &generic_crt_800x600;
336 case MTYPE_TFT320x240:
337 cmx2xx_display = &generic_tft_320x240;
339 case MTYPE_STN640x480:
340 cmx2xx_display = &generic_stn_640x480;
342 default: /* fallback to CRT 640x480 */
343 cmx2xx_display = &generic_crt_640x480;
350 This should be done really early to get proper configuration for
352 Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
353 has limitied line length for kernel command line, and also it will
354 break compatibitlty with proprietary releases already in field.
356 __setup("monitor=", cmx2xx_set_display);
358 static void __init cmx2xx_init_display(void)
360 set_pxa_fb_info(cmx2xx_display);
363 static inline void cmx2xx_init_display(void) {}
367 static unsigned long sleep_save_msc[10];
369 static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state)
371 cmx2xx_pci_suspend();
373 /* save MSC registers */
374 sleep_save_msc[0] = MSC0;
375 sleep_save_msc[1] = MSC1;
376 sleep_save_msc[2] = MSC2;
378 /* setup power saving mode registers */
393 static int cmx2xx_resume(struct sys_device *dev)
397 /* restore MSC registers */
398 MSC0 = sleep_save_msc[0];
399 MSC1 = sleep_save_msc[1];
400 MSC2 = sleep_save_msc[2];
405 static struct sysdev_class cmx2xx_pm_sysclass = {
407 .resume = cmx2xx_resume,
408 .suspend = cmx2xx_suspend,
411 static struct sys_device cmx2xx_pm_device = {
412 .cls = &cmx2xx_pm_sysclass,
415 static int __init cmx2xx_pm_init(void)
418 error = sysdev_class_register(&cmx2xx_pm_sysclass);
420 error = sysdev_register(&cmx2xx_pm_device);
424 static int __init cmx2xx_pm_init(void) { return 0; }
427 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
428 static void __init cmx2xx_init_ac97(void)
430 pxa_set_ac97_info(NULL);
433 static inline void cmx2xx_init_ac97(void) {}
436 static void __init cmx2xx_init(void)
442 cmx2xx_init_dm9000();
443 cmx2xx_init_display();
445 cmx2xx_init_touchscreen();
449 static void __init cmx2xx_init_irq(void)
453 cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
457 /* Map PCI companion statically */
458 static struct map_desc cmx2xx_io_desc[] __initdata = {
459 [0] = { /* PCI bridge */
460 .virtual = CMX2XX_IT8152_VIRT,
461 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
467 static void __init cmx2xx_map_io(void)
470 iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
472 it8152_base_address = CMX2XX_IT8152_VIRT;
475 static void __init cmx2xx_map_io(void)
481 MACHINE_START(ARMCORE, "Compulab CM-X2XX")
482 .boot_params = 0xa0000100,
483 .phys_io = 0x40000000,
484 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
485 .map_io = cmx2xx_map_io,
486 .init_irq = cmx2xx_init_irq,
488 .init_machine = cmx2xx_init,