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/audio.h>
26 #include <mach/pxafb.h>
28 #include <asm/hardware/it8152.h>
31 #include "cm-x2xx-pci.h"
33 extern void cmx255_init(void);
34 extern void cmx270_init(void);
36 /* reserve IRQs for IT8152 */
37 #define CMX2XX_NR_IRQS (IRQ_BOARD_START + 40)
39 /* virtual addresses for statically mapped regions */
40 #define CMX2XX_VIRT_BASE (0xe8000000)
41 #define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
43 /* physical address if local-bus attached devices */
44 #define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
45 #define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
48 #define CMX255_GPIO_RED (27)
49 #define CMX255_GPIO_GREEN (32)
50 #define CMX270_GPIO_RED (93)
51 #define CMX270_GPIO_GREEN (94)
54 #define GPIO22_ETHIRQ (22)
55 #define GPIO10_ETHIRQ (10)
56 #define CMX255_GPIO_IT8152_IRQ (0)
57 #define CMX270_GPIO_IT8152_IRQ (22)
59 #define CMX255_ETHIRQ IRQ_GPIO(GPIO22_ETHIRQ)
60 #define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
62 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
63 static struct resource cmx255_dm9000_resource[] = {
65 .start = CMX255_DM9000_PHYS_BASE,
66 .end = CMX255_DM9000_PHYS_BASE + 3,
67 .flags = IORESOURCE_MEM,
70 .start = CMX255_DM9000_PHYS_BASE + 4,
71 .end = CMX255_DM9000_PHYS_BASE + 4 + 500,
72 .flags = IORESOURCE_MEM,
75 .start = CMX255_ETHIRQ,
77 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
81 static struct resource cmx270_dm9000_resource[] = {
83 .start = CMX270_DM9000_PHYS_BASE,
84 .end = CMX270_DM9000_PHYS_BASE + 3,
85 .flags = IORESOURCE_MEM,
88 .start = CMX270_DM9000_PHYS_BASE + 8,
89 .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
90 .flags = IORESOURCE_MEM,
93 .start = CMX270_ETHIRQ,
95 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
99 static struct dm9000_plat_data cmx270_dm9000_platdata = {
100 .flags = DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
103 static struct platform_device cmx2xx_dm9000_device = {
106 .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
108 .platform_data = &cmx270_dm9000_platdata,
112 static void __init cmx2xx_init_dm9000(void)
115 cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
117 cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
118 platform_device_register(&cmx2xx_dm9000_device);
121 static inline void cmx2xx_init_dm9000(void) {}
124 /* UCB1400 touchscreen controller */
125 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
126 static struct platform_device cmx2xx_ts_device = {
127 .name = "ucb1400_core",
131 static void __init cmx2xx_init_touchscreen(void)
133 platform_device_register(&cmx2xx_ts_device);
136 static inline void cmx2xx_init_touchscreen(void) {}
140 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
141 static struct gpio_led cmx2xx_leds[] = {
143 .name = "cm-x2xx:red",
144 .default_trigger = "nand-disk",
148 .name = "cm-x2xx:green",
149 .default_trigger = "heartbeat",
154 static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
155 .num_leds = ARRAY_SIZE(cmx2xx_leds),
159 static struct platform_device cmx2xx_led_device = {
163 .platform_data = &cmx2xx_gpio_led_pdata,
167 static void __init cmx2xx_init_leds(void)
169 if (cpu_is_pxa25x()) {
170 cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
171 cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
173 cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
174 cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
176 platform_device_register(&cmx2xx_led_device);
179 static inline void cmx2xx_init_leds(void) {}
182 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
185 keep these for backwards compatibility, although symbolic names (as
186 e.g. in lpd270.c) looks better
188 #define MTYPE_STN320x240 0
189 #define MTYPE_TFT640x480 1
190 #define MTYPE_CRT640x480 2
191 #define MTYPE_CRT800x600 3
192 #define MTYPE_TFT320x240 6
193 #define MTYPE_STN640x480 7
195 static struct pxafb_mode_info generic_stn_320x240_mode = {
206 .sync = (FB_SYNC_HOR_HIGH_ACT |
207 FB_SYNC_VERT_HIGH_ACT),
211 static struct pxafb_mach_info generic_stn_320x240 = {
212 .modes = &generic_stn_320x240_mode,
214 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
215 LCD_AC_BIAS_FREQ(0xff),
220 static struct pxafb_mode_info generic_tft_640x480_mode = {
235 static struct pxafb_mach_info generic_tft_640x480 = {
236 .modes = &generic_tft_640x480_mode,
238 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
239 LCD_AC_BIAS_FREQ(0xff),
244 static struct pxafb_mode_info generic_crt_640x480_mode = {
255 .sync = (FB_SYNC_HOR_HIGH_ACT |
256 FB_SYNC_VERT_HIGH_ACT),
260 static struct pxafb_mach_info generic_crt_640x480 = {
261 .modes = &generic_crt_640x480_mode,
263 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
268 static struct pxafb_mode_info generic_crt_800x600_mode = {
279 .sync = (FB_SYNC_HOR_HIGH_ACT |
280 FB_SYNC_VERT_HIGH_ACT),
284 static struct pxafb_mach_info generic_crt_800x600 = {
285 .modes = &generic_crt_800x600_mode,
287 .lcd_conn = LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
292 static struct pxafb_mode_info generic_tft_320x240_mode = {
307 static struct pxafb_mach_info generic_tft_320x240 = {
308 .modes = &generic_tft_320x240_mode,
310 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
315 static struct pxafb_mode_info generic_stn_640x480_mode = {
326 .sync = (FB_SYNC_HOR_HIGH_ACT |
327 FB_SYNC_VERT_HIGH_ACT),
331 static struct pxafb_mach_info generic_stn_640x480 = {
332 .modes = &generic_stn_640x480_mode,
334 .lcd_conn = LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
339 static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
341 static int __init cmx2xx_set_display(char *str)
343 int disp_type = simple_strtol(str, NULL, 0);
345 case MTYPE_STN320x240:
346 cmx2xx_display = &generic_stn_320x240;
348 case MTYPE_TFT640x480:
349 cmx2xx_display = &generic_tft_640x480;
351 case MTYPE_CRT640x480:
352 cmx2xx_display = &generic_crt_640x480;
354 case MTYPE_CRT800x600:
355 cmx2xx_display = &generic_crt_800x600;
357 case MTYPE_TFT320x240:
358 cmx2xx_display = &generic_tft_320x240;
360 case MTYPE_STN640x480:
361 cmx2xx_display = &generic_stn_640x480;
363 default: /* fallback to CRT 640x480 */
364 cmx2xx_display = &generic_crt_640x480;
371 This should be done really early to get proper configuration for
373 Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
374 has limitied line length for kernel command line, and also it will
375 break compatibitlty with proprietary releases already in field.
377 __setup("monitor=", cmx2xx_set_display);
379 static void __init cmx2xx_init_display(void)
381 set_pxa_fb_info(cmx2xx_display);
384 static inline void cmx2xx_init_display(void) {}
388 static unsigned long sleep_save_msc[10];
390 static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state)
392 cmx2xx_pci_suspend();
394 /* save MSC registers */
395 sleep_save_msc[0] = MSC0;
396 sleep_save_msc[1] = MSC1;
397 sleep_save_msc[2] = MSC2;
399 /* setup power saving mode registers */
414 static int cmx2xx_resume(struct sys_device *dev)
418 /* restore MSC registers */
419 MSC0 = sleep_save_msc[0];
420 MSC1 = sleep_save_msc[1];
421 MSC2 = sleep_save_msc[2];
426 static struct sysdev_class cmx2xx_pm_sysclass = {
428 .resume = cmx2xx_resume,
429 .suspend = cmx2xx_suspend,
432 static struct sys_device cmx2xx_pm_device = {
433 .cls = &cmx2xx_pm_sysclass,
436 static int __init cmx2xx_pm_init(void)
439 error = sysdev_class_register(&cmx2xx_pm_sysclass);
441 error = sysdev_register(&cmx2xx_pm_device);
445 static int __init cmx2xx_pm_init(void) { return 0; }
448 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
449 static void __init cmx2xx_init_ac97(void)
451 pxa_set_ac97_info(NULL);
454 static inline void cmx2xx_init_ac97(void) {}
457 static void __init cmx2xx_init(void)
459 pxa_set_ffuart_info(NULL);
460 pxa_set_btuart_info(NULL);
461 pxa_set_stuart_info(NULL);
470 cmx2xx_init_dm9000();
471 cmx2xx_init_display();
473 cmx2xx_init_touchscreen();
477 static void __init cmx2xx_init_irq(void)
479 if (cpu_is_pxa25x()) {
481 cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
484 cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
489 /* Map PCI companion statically */
490 static struct map_desc cmx2xx_io_desc[] __initdata = {
491 [0] = { /* PCI bridge */
492 .virtual = CMX2XX_IT8152_VIRT,
493 .pfn = __phys_to_pfn(PXA_CS4_PHYS),
499 static void __init cmx2xx_map_io(void)
502 iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
504 it8152_base_address = CMX2XX_IT8152_VIRT;
507 static void __init cmx2xx_map_io(void)
513 MACHINE_START(ARMCORE, "Compulab CM-X2XX")
514 .boot_params = 0xa0000100,
515 .map_io = cmx2xx_map_io,
516 .nr_irqs = CMX2XX_NR_IRQS,
517 .init_irq = cmx2xx_init_irq,
519 .init_machine = cmx2xx_init,