arch/arm/mach-pxa/cm-x2xx.c - kernel/common - Git at Google

 /*
  * linux/arch/arm/mach-pxa/cm-x2xx.c
  *
  * Copyright (C) 2008 CompuLab, Ltd.
  * Mike Rapoport <[email protected]>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */

 #include <linux/platform_device.h>
 #include <linux/syscore_ops.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
 #include <linux/regulator/machine.h>

 #include <linux/dm9000.h>
 #include <linux/leds.h>

 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>

 #include "pxa25x.h"
 #undef GPIO24_SSP1_SFRM
 #undef GPIO86_GPIO
 #undef GPIO87_GPIO
 #undef GPIO88_GPIO
 #undef GPIO89_GPIO
 #include "pxa27x.h"
 #undef GPIO24_SSP1_SFRM
 #undef GPIO86_GPIO
 #undef GPIO87_GPIO
 #undef GPIO88_GPIO
 #undef GPIO89_GPIO
 #include <mach/audio.h>
 #include <linux/platform_data/video-pxafb.h>
 #include <mach/smemc.h>

 #include <asm/hardware/it8152.h>

 #include "generic.h"
 #include "cm-x2xx-pci.h"

 extern void cmx255_init(void);
 extern void cmx270_init(void);

 /* reserve IRQs for IT8152 */
 #define CMX2XX_NR_IRQS		(IRQ_BOARD_START + 40)

 /* virtual addresses for statically mapped regions */
 #define CMX2XX_VIRT_BASE	(void __iomem *)(0xe8000000)
 #define CMX2XX_IT8152_VIRT	(CMX2XX_VIRT_BASE)

 /* physical address if local-bus attached devices */
 #define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
 #define CMX270_DM9000_PHYS_BASE	(PXA_CS1_PHYS + (6 << 22))

 /* leds */
 #define CMX255_GPIO_RED		(27)
 #define CMX255_GPIO_GREEN	(32)
 #define CMX270_GPIO_RED		(93)
 #define CMX270_GPIO_GREEN	(94)

 /* GPIO IRQ usage */
 #define GPIO22_ETHIRQ		(22)
 #define GPIO10_ETHIRQ		(10)
 #define CMX255_GPIO_IT8152_IRQ	(0)
 #define CMX270_GPIO_IT8152_IRQ	(22)

 #define CMX255_ETHIRQ		PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
 #define CMX270_ETHIRQ		PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)

 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 static struct resource cmx255_dm9000_resource[] = {
 	[0] = {
 		.start = CMX255_DM9000_PHYS_BASE,
 		.end   = CMX255_DM9000_PHYS_BASE + 3,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = CMX255_DM9000_PHYS_BASE + 4,
 		.end   = CMX255_DM9000_PHYS_BASE + 4 + 500,
 		.flags = IORESOURCE_MEM,
 	},
 	[2] = {
 		.start = CMX255_ETHIRQ,
 		.end   = CMX255_ETHIRQ,
 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 	}
 };

 static struct resource cmx270_dm9000_resource[] = {
 	[0] = {
 		.start = CMX270_DM9000_PHYS_BASE,
 		.end   = CMX270_DM9000_PHYS_BASE + 3,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = CMX270_DM9000_PHYS_BASE + 8,
 		.end   = CMX270_DM9000_PHYS_BASE + 8 + 500,
 		.flags = IORESOURCE_MEM,
 	},
 	[2] = {
 		.start = CMX270_ETHIRQ,
 		.end   = CMX270_ETHIRQ,
 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 	}
 };

 static struct dm9000_plat_data cmx270_dm9000_platdata = {
 	.flags		= DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
 };

 static struct platform_device cmx2xx_dm9000_device = {
 	.name		= "dm9000",
 	.id		= 0,
 	.num_resources	= ARRAY_SIZE(cmx270_dm9000_resource),
 	.dev		= {
 		.platform_data = &cmx270_dm9000_platdata,
 	}
 };

 static void __init cmx2xx_init_dm9000(void)
 {
 	if (cpu_is_pxa25x())
 		cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
 	else
 		cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
 	platform_device_register(&cmx2xx_dm9000_device);
 }
 #else
 static inline void cmx2xx_init_dm9000(void) {}
 #endif

 /* UCB1400 touchscreen controller */
 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 static struct platform_device cmx2xx_ts_device = {
 	.name		= "ucb1400_core",
 	.id		= -1,
 };

 static void __init cmx2xx_init_touchscreen(void)
 {
 	platform_device_register(&cmx2xx_ts_device);
 }
 #else
 static inline void cmx2xx_init_touchscreen(void) {}
 #endif

 /* CM-X270 LEDs */
 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 static struct gpio_led cmx2xx_leds[] = {
 	[0] = {
 		.name = "cm-x2xx:red",
 		.default_trigger = "nand-disk",
 		.active_low = 1,
 	},
 	[1] = {
 		.name = "cm-x2xx:green",
 		.default_trigger = "heartbeat",
 		.active_low = 1,
 	},
 };

 static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
 	.num_leds = ARRAY_SIZE(cmx2xx_leds),
 	.leds = cmx2xx_leds,
 };

 static struct platform_device cmx2xx_led_device = {
 	.name		= "leds-gpio",
 	.id		= -1,
 	.dev		= {
 		.platform_data = &cmx2xx_gpio_led_pdata,
 	},
 };

 static void __init cmx2xx_init_leds(void)
 {
 	if (cpu_is_pxa25x()) {
 		cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
 		cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
 	} else {
 		cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
 		cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
 	}
 	platform_device_register(&cmx2xx_led_device);
 }
 #else
 static inline void cmx2xx_init_leds(void) {}
 #endif

 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 /*
   Display definitions
   keep these for backwards compatibility, although symbolic names (as
   e.g. in lpd270.c) looks better
 */
 #define MTYPE_STN320x240	0
 #define MTYPE_TFT640x480	1
 #define MTYPE_CRT640x480	2
 #define MTYPE_CRT800x600	3
 #define MTYPE_TFT320x240	6
 #define MTYPE_STN640x480	7

 static struct pxafb_mode_info generic_stn_320x240_mode = {
 	.pixclock	= 76923,
 	.bpp		= 8,
 	.xres		= 320,
 	.yres		= 240,
 	.hsync_len	= 3,
 	.vsync_len	= 2,
 	.left_margin	= 3,
 	.upper_margin	= 0,
 	.right_margin	= 3,
 	.lower_margin	= 0,
 	.sync		= (FB_SYNC_HOR_HIGH_ACT |
 			   FB_SYNC_VERT_HIGH_ACT),
 	.cmap_greyscale = 0,
 };

 static struct pxafb_mach_info generic_stn_320x240 = {
 	.modes		= &generic_stn_320x240_mode,
 	.num_modes	= 1,
 	.lcd_conn	= LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
 			  LCD_AC_BIAS_FREQ(0xff),
 	.cmap_inverse	= 0,
 	.cmap_static	= 0,
 };

 static struct pxafb_mode_info generic_tft_640x480_mode = {
 	.pixclock	= 38461,
 	.bpp		= 8,
 	.xres		= 640,
 	.yres		= 480,
 	.hsync_len	= 60,
 	.vsync_len	= 2,
 	.left_margin	= 70,
 	.upper_margin	= 10,
 	.right_margin	= 70,
 	.lower_margin	= 5,
 	.sync		= 0,
 	.cmap_greyscale = 0,
 };

 static struct pxafb_mach_info generic_tft_640x480 = {
 	.modes		= &generic_tft_640x480_mode,
 	.num_modes	= 1,
 	.lcd_conn	= LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
 			  LCD_AC_BIAS_FREQ(0xff),
 	.cmap_inverse	= 0,
 	.cmap_static	= 0,
 };

 static struct pxafb_mode_info generic_crt_640x480_mode = {
 	.pixclock	= 38461,
 	.bpp		= 8,
 	.xres		= 640,
 	.yres		= 480,
 	.hsync_len	= 63,
 	.vsync_len	= 2,
 	.left_margin	= 81,
 	.upper_margin	= 33,
 	.right_margin	= 16,
 	.lower_margin	= 10,
 	.sync		= (FB_SYNC_HOR_HIGH_ACT |
 			   FB_SYNC_VERT_HIGH_ACT),
 	.cmap_greyscale = 0,
 };

 static struct pxafb_mach_info generic_crt_640x480 = {
 	.modes		= &generic_crt_640x480_mode,
 	.num_modes	= 1,
 	.lcd_conn	= LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
 	.cmap_inverse	= 0,
 	.cmap_static	= 0,
 };

 static struct pxafb_mode_info generic_crt_800x600_mode = {
 	.pixclock	= 28846,
 	.bpp		= 8,
 	.xres		= 800,
 	.yres	  	= 600,
 	.hsync_len	= 63,
 	.vsync_len	= 2,
 	.left_margin	= 26,
 	.upper_margin	= 21,
 	.right_margin	= 26,
 	.lower_margin	= 11,
 	.sync		= (FB_SYNC_HOR_HIGH_ACT |
 			   FB_SYNC_VERT_HIGH_ACT),
 	.cmap_greyscale = 0,
 };

 static struct pxafb_mach_info generic_crt_800x600 = {
 	.modes		= &generic_crt_800x600_mode,
 	.num_modes	= 1,
 	.lcd_conn	= LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
 	.cmap_inverse	= 0,
 	.cmap_static	= 0,
 };

 static struct pxafb_mode_info generic_tft_320x240_mode = {
 	.pixclock	= 134615,
 	.bpp		= 16,
 	.xres		= 320,
 	.yres		= 240,
 	.hsync_len	= 63,
 	.vsync_len	= 7,
 	.left_margin	= 75,
 	.upper_margin	= 0,
 	.right_margin	= 15,
 	.lower_margin	= 15,
 	.sync		= 0,
 	.cmap_greyscale = 0,
 };

 static struct pxafb_mach_info generic_tft_320x240 = {
 	.modes		= &generic_tft_320x240_mode,
 	.num_modes	= 1,
 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
 	.cmap_inverse	= 0,
 	.cmap_static	= 0,
 };

 static struct pxafb_mode_info generic_stn_640x480_mode = {
 	.pixclock	= 57692,
 	.bpp		= 8,
 	.xres		= 640,
 	.yres		= 480,
 	.hsync_len	= 4,
 	.vsync_len	= 2,
 	.left_margin	= 10,
 	.upper_margin	= 5,
 	.right_margin	= 10,
 	.lower_margin	= 5,
 	.sync		= (FB_SYNC_HOR_HIGH_ACT |
 			   FB_SYNC_VERT_HIGH_ACT),
 	.cmap_greyscale = 0,
 };

 static struct pxafb_mach_info generic_stn_640x480 = {
 	.modes		= &generic_stn_640x480_mode,
 	.num_modes	= 1,
 	.lcd_conn	= LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
 	.cmap_inverse	= 0,
 	.cmap_static	= 0,
 };

 static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;

 static int __init cmx2xx_set_display(char *str)
 {
 	int disp_type = simple_strtol(str, NULL, 0);
 	switch (disp_type) {
 	case MTYPE_STN320x240:
 		cmx2xx_display = &generic_stn_320x240;
 		break;
 	case MTYPE_TFT640x480:
 		cmx2xx_display = &generic_tft_640x480;
 		break;
 	case MTYPE_CRT640x480:
 		cmx2xx_display = &generic_crt_640x480;
 		break;
 	case MTYPE_CRT800x600:
 		cmx2xx_display = &generic_crt_800x600;
 		break;
 	case MTYPE_TFT320x240:
 		cmx2xx_display = &generic_tft_320x240;
 		break;
 	case MTYPE_STN640x480:
 		cmx2xx_display = &generic_stn_640x480;
 		break;
 	default: /* fallback to CRT 640x480 */
 		cmx2xx_display = &generic_crt_640x480;
 		break;
 	}
 	return 1;
 }

 /*
    This should be done really early to get proper configuration for
    frame buffer.
    Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
    has limitied line length for kernel command line, and also it will
    break compatibitlty with proprietary releases already in field.
 */
 __setup("monitor=", cmx2xx_set_display);

 static void __init cmx2xx_init_display(void)
 {
 	pxa_set_fb_info(NULL, cmx2xx_display);
 }
 #else
 static inline void cmx2xx_init_display(void) {}
 #endif

 #ifdef CONFIG_PM
 static unsigned long sleep_save_msc[10];

 static int cmx2xx_suspend(void)
 {
 	cmx2xx_pci_suspend();

 	/* save MSC registers */
 	sleep_save_msc[0] = __raw_readl(MSC0);
 	sleep_save_msc[1] = __raw_readl(MSC1);
 	sleep_save_msc[2] = __raw_readl(MSC2);

 	/* setup power saving mode registers */
 	PCFR = 0x0;
 	PSLR = 0xff400000;
 	PMCR  = 0x00000005;
 	PWER  = 0x80000000;
 	PFER  = 0x00000000;
 	PRER  = 0x00000000;
 	PGSR0 = 0xC0018800;
 	PGSR1 = 0x004F0002;
 	PGSR2 = 0x6021C000;
 	PGSR3 = 0x00020000;

 	return 0;
 }

 static void cmx2xx_resume(void)
 {
 	cmx2xx_pci_resume();

 	/* restore MSC registers */
 	__raw_writel(sleep_save_msc[0], MSC0);
 	__raw_writel(sleep_save_msc[1], MSC1);
 	__raw_writel(sleep_save_msc[2], MSC2);
 }

 static struct syscore_ops cmx2xx_pm_syscore_ops = {
 	.resume = cmx2xx_resume,
 	.suspend = cmx2xx_suspend,
 };

 static int __init cmx2xx_pm_init(void)
 {
 	register_syscore_ops(&cmx2xx_pm_syscore_ops);

 	return 0;
 }
 #else
 static int __init cmx2xx_pm_init(void) { return 0; }
 #endif

 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
 static void __init cmx2xx_init_ac97(void)
 {
 	pxa_set_ac97_info(NULL);
 }
 #else
 static inline void cmx2xx_init_ac97(void) {}
 #endif

 static void __init cmx2xx_init(void)
 {
 	pxa_set_ffuart_info(NULL);
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);

 	cmx2xx_pm_init();

 	if (cpu_is_pxa25x())
 		cmx255_init();
 	else
 		cmx270_init();

 	cmx2xx_init_dm9000();
 	cmx2xx_init_display();
 	cmx2xx_init_ac97();
 	cmx2xx_init_touchscreen();
 	cmx2xx_init_leds();

 	regulator_has_full_constraints();
 }

 static void __init cmx2xx_init_irq(void)
 {
 	if (cpu_is_pxa25x()) {
 		pxa25x_init_irq();
 		cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
 	} else {
 		pxa27x_init_irq();
 		cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
 	}
 }

 #ifdef CONFIG_PCI
 /* Map PCI companion statically */
 static struct map_desc cmx2xx_io_desc[] __initdata = {
 	[0] = { /* PCI bridge */
 		.virtual	= (unsigned long)CMX2XX_IT8152_VIRT,
 		.pfn		= __phys_to_pfn(PXA_CS4_PHYS),
 		.length		= SZ_64M,
 		.type		= MT_DEVICE
 	},
 };

 static void __init cmx2xx_map_io(void)
 {
 	if (cpu_is_pxa25x())
 		pxa25x_map_io();

 	if (cpu_is_pxa27x())
 		pxa27x_map_io();

 	iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));

 	it8152_base_address = CMX2XX_IT8152_VIRT;
 }
 #else
 static void __init cmx2xx_map_io(void)
 {
 	if (cpu_is_pxa25x())
 		pxa25x_map_io();

 	if (cpu_is_pxa27x())
 		pxa27x_map_io();
 }
 #endif

 MACHINE_START(ARMCORE, "Compulab CM-X2XX")
 	.atag_offset	= 0x100,
 	.map_io		= cmx2xx_map_io,
 	.nr_irqs	= CMX2XX_NR_IRQS,
 	.init_irq	= cmx2xx_init_irq,
 	/* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
 	.handle_irq	= pxa25x_handle_irq,
 	.init_time	= pxa_timer_init,
 	.init_machine	= cmx2xx_init,
 #ifdef CONFIG_PCI
 	.dma_zone_size	= SZ_64M,
 #endif
 	.restart	= pxa_restart,
 MACHINE_END
	/*
	* linux/arch/arm/mach-pxa/cm-x2xx.c
	*
	* Copyright (C) 2008 CompuLab, Ltd.
	* Mike Rapoport <[email protected]>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/

	#include <linux/platform_device.h>
	#include <linux/syscore_ops.h>
	#include <linux/irq.h>
	#include <linux/gpio.h>
	#include <linux/regulator/machine.h>

	#include <linux/dm9000.h>
	#include <linux/leds.h>

	#include <asm/mach/arch.h>
	#include <asm/mach-types.h>
	#include <asm/mach/map.h>

	#include "pxa25x.h"
	#undef GPIO24_SSP1_SFRM
	#undef GPIO86_GPIO
	#undef GPIO87_GPIO
	#undef GPIO88_GPIO
	#undef GPIO89_GPIO
	#include "pxa27x.h"
	#undef GPIO24_SSP1_SFRM
	#undef GPIO86_GPIO
	#undef GPIO87_GPIO
	#undef GPIO88_GPIO
	#undef GPIO89_GPIO
	#include <mach/audio.h>
	#include <linux/platform_data/video-pxafb.h>
	#include <mach/smemc.h>

	#include <asm/hardware/it8152.h>

	#include "generic.h"
	#include "cm-x2xx-pci.h"

	extern void cmx255_init(void);
	extern void cmx270_init(void);

	/* reserve IRQs for IT8152 */
	#define CMX2XX_NR_IRQS (IRQ_BOARD_START + 40)

	/* virtual addresses for statically mapped regions */
	#define CMX2XX_VIRT_BASE (void __iomem *)(0xe8000000)
	#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)

	/* physical address if local-bus attached devices */
	#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
	#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))

	/* leds */
	#define CMX255_GPIO_RED (27)
	#define CMX255_GPIO_GREEN (32)
	#define CMX270_GPIO_RED (93)
	#define CMX270_GPIO_GREEN (94)

	/* GPIO IRQ usage */
	#define GPIO22_ETHIRQ (22)
	#define GPIO10_ETHIRQ (10)
	#define CMX255_GPIO_IT8152_IRQ (0)
	#define CMX270_GPIO_IT8152_IRQ (22)

	#define CMX255_ETHIRQ PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
	#define CMX270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)

	#if defined(CONFIG_DM9000) \|\| defined(CONFIG_DM9000_MODULE)
	static struct resource cmx255_dm9000_resource[] = {
	[0] = {
	.start = CMX255_DM9000_PHYS_BASE,
	.end = CMX255_DM9000_PHYS_BASE + 3,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = CMX255_DM9000_PHYS_BASE + 4,
	.end = CMX255_DM9000_PHYS_BASE + 4 + 500,
	.flags = IORESOURCE_MEM,
	},
	[2] = {
	.start = CMX255_ETHIRQ,
	.end = CMX255_ETHIRQ,
	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	}
	};

	static struct resource cmx270_dm9000_resource[] = {
	[0] = {
	.start = CMX270_DM9000_PHYS_BASE,
	.end = CMX270_DM9000_PHYS_BASE + 3,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = CMX270_DM9000_PHYS_BASE + 8,
	.end = CMX270_DM9000_PHYS_BASE + 8 + 500,
	.flags = IORESOURCE_MEM,
	},
	[2] = {
	.start = CMX270_ETHIRQ,
	.end = CMX270_ETHIRQ,
	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	}
	};

	static struct dm9000_plat_data cmx270_dm9000_platdata = {
	.flags = DM9000_PLATF_32BITONLY \| DM9000_PLATF_NO_EEPROM,
	};

	static struct platform_device cmx2xx_dm9000_device = {
	.name = "dm9000",
	.id = 0,
	.num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
	.dev = {
	.platform_data = &cmx270_dm9000_platdata,
	}
	};

	static void __init cmx2xx_init_dm9000(void)
	{
	if (cpu_is_pxa25x())
	cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
	else
	cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
	platform_device_register(&cmx2xx_dm9000_device);
	}
	#else
	static inline void cmx2xx_init_dm9000(void) {}
	#endif

	/* UCB1400 touchscreen controller */
	#if defined(CONFIG_TOUCHSCREEN_UCB1400) \|\| defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
	static struct platform_device cmx2xx_ts_device = {
	.name = "ucb1400_core",
	.id = -1,
	};

	static void __init cmx2xx_init_touchscreen(void)
	{
	platform_device_register(&cmx2xx_ts_device);
	}
	#else
	static inline void cmx2xx_init_touchscreen(void) {}
	#endif

	/* CM-X270 LEDs */
	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
	static struct gpio_led cmx2xx_leds[] = {
	[0] = {
	.name = "cm-x2xx:red",
	.default_trigger = "nand-disk",
	.active_low = 1,
	},
	[1] = {
	.name = "cm-x2xx:green",
	.default_trigger = "heartbeat",
	.active_low = 1,
	},
	};

	static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
	.num_leds = ARRAY_SIZE(cmx2xx_leds),
	.leds = cmx2xx_leds,
	};

	static struct platform_device cmx2xx_led_device = {
	.name = "leds-gpio",
	.id = -1,
	.dev = {
	.platform_data = &cmx2xx_gpio_led_pdata,
	},
	};

	static void __init cmx2xx_init_leds(void)
	{
	if (cpu_is_pxa25x()) {
	cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
	cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
	} else {
	cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
	cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
	}
	platform_device_register(&cmx2xx_led_device);
	}
	#else
	static inline void cmx2xx_init_leds(void) {}
	#endif

	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	/*
	Display definitions
	keep these for backwards compatibility, although symbolic names (as
	e.g. in lpd270.c) looks better
	*/
	#define MTYPE_STN320x240 0
	#define MTYPE_TFT640x480 1
	#define MTYPE_CRT640x480 2
	#define MTYPE_CRT800x600 3
	#define MTYPE_TFT320x240 6
	#define MTYPE_STN640x480 7

	static struct pxafb_mode_info generic_stn_320x240_mode = {
	.pixclock = 76923,
	.bpp = 8,
	.xres = 320,
	.yres = 240,
	.hsync_len = 3,
	.vsync_len = 2,
	.left_margin = 3,
	.upper_margin = 0,
	.right_margin = 3,
	.lower_margin = 0,
	.sync = (FB_SYNC_HOR_HIGH_ACT \|
	FB_SYNC_VERT_HIGH_ACT),
	.cmap_greyscale = 0,
	};

	static struct pxafb_mach_info generic_stn_320x240 = {
	.modes = &generic_stn_320x240_mode,
	.num_modes = 1,
	.lcd_conn = LCD_COLOR_STN_8BPP \| LCD_PCLK_EDGE_FALL \|\
	LCD_AC_BIAS_FREQ(0xff),
	.cmap_inverse = 0,
	.cmap_static = 0,
	};

	static struct pxafb_mode_info generic_tft_640x480_mode = {
	.pixclock = 38461,
	.bpp = 8,
	.xres = 640,
	.yres = 480,
	.hsync_len = 60,
	.vsync_len = 2,
	.left_margin = 70,
	.upper_margin = 10,
	.right_margin = 70,
	.lower_margin = 5,
	.sync = 0,
	.cmap_greyscale = 0,
	};

	static struct pxafb_mach_info generic_tft_640x480 = {
	.modes = &generic_tft_640x480_mode,
	.num_modes = 1,
	.lcd_conn = LCD_COLOR_TFT_8BPP \| LCD_PCLK_EDGE_FALL \|\
	LCD_AC_BIAS_FREQ(0xff),
	.cmap_inverse = 0,
	.cmap_static = 0,
	};

	static struct pxafb_mode_info generic_crt_640x480_mode = {
	.pixclock = 38461,
	.bpp = 8,
	.xres = 640,
	.yres = 480,
	.hsync_len = 63,
	.vsync_len = 2,
	.left_margin = 81,
	.upper_margin = 33,
	.right_margin = 16,
	.lower_margin = 10,
	.sync = (FB_SYNC_HOR_HIGH_ACT \|
	FB_SYNC_VERT_HIGH_ACT),
	.cmap_greyscale = 0,
	};

	static struct pxafb_mach_info generic_crt_640x480 = {
	.modes = &generic_crt_640x480_mode,
	.num_modes = 1,
	.lcd_conn = LCD_COLOR_TFT_8BPP \| LCD_AC_BIAS_FREQ(0xff),
	.cmap_inverse = 0,
	.cmap_static = 0,
	};

	static struct pxafb_mode_info generic_crt_800x600_mode = {
	.pixclock = 28846,
	.bpp = 8,
	.xres = 800,
	.yres = 600,
	.hsync_len = 63,
	.vsync_len = 2,
	.left_margin = 26,
	.upper_margin = 21,
	.right_margin = 26,
	.lower_margin = 11,
	.sync = (FB_SYNC_HOR_HIGH_ACT \|
	FB_SYNC_VERT_HIGH_ACT),
	.cmap_greyscale = 0,
	};

	static struct pxafb_mach_info generic_crt_800x600 = {
	.modes = &generic_crt_800x600_mode,
	.num_modes = 1,
	.lcd_conn = LCD_COLOR_TFT_8BPP \| LCD_AC_BIAS_FREQ(0xff),
	.cmap_inverse = 0,
	.cmap_static = 0,
	};

	static struct pxafb_mode_info generic_tft_320x240_mode = {
	.pixclock = 134615,
	.bpp = 16,
	.xres = 320,
	.yres = 240,
	.hsync_len = 63,
	.vsync_len = 7,
	.left_margin = 75,
	.upper_margin = 0,
	.right_margin = 15,
	.lower_margin = 15,
	.sync = 0,
	.cmap_greyscale = 0,
	};

	static struct pxafb_mach_info generic_tft_320x240 = {
	.modes = &generic_tft_320x240_mode,
	.num_modes = 1,
	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_AC_BIAS_FREQ(0xff),
	.cmap_inverse = 0,
	.cmap_static = 0,
	};

	static struct pxafb_mode_info generic_stn_640x480_mode = {
	.pixclock = 57692,
	.bpp = 8,
	.xres = 640,
	.yres = 480,
	.hsync_len = 4,
	.vsync_len = 2,
	.left_margin = 10,
	.upper_margin = 5,
	.right_margin = 10,
	.lower_margin = 5,
	.sync = (FB_SYNC_HOR_HIGH_ACT \|
	FB_SYNC_VERT_HIGH_ACT),
	.cmap_greyscale = 0,
	};

	static struct pxafb_mach_info generic_stn_640x480 = {
	.modes = &generic_stn_640x480_mode,
	.num_modes = 1,
	.lcd_conn = LCD_COLOR_STN_8BPP \| LCD_AC_BIAS_FREQ(0xff),
	.cmap_inverse = 0,
	.cmap_static = 0,
	};

	static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;

	static int __init cmx2xx_set_display(char *str)
	{
	int disp_type = simple_strtol(str, NULL, 0);
	switch (disp_type) {
	case MTYPE_STN320x240:
	cmx2xx_display = &generic_stn_320x240;
	break;
	case MTYPE_TFT640x480:
	cmx2xx_display = &generic_tft_640x480;
	break;
	case MTYPE_CRT640x480:
	cmx2xx_display = &generic_crt_640x480;
	break;
	case MTYPE_CRT800x600:
	cmx2xx_display = &generic_crt_800x600;
	break;
	case MTYPE_TFT320x240:
	cmx2xx_display = &generic_tft_320x240;
	break;
	case MTYPE_STN640x480:
	cmx2xx_display = &generic_stn_640x480;
	break;
	default: /* fallback to CRT 640x480 */
	cmx2xx_display = &generic_crt_640x480;
	break;
	}
	return 1;
	}

	/*
	This should be done really early to get proper configuration for
	frame buffer.
	Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
	has limitied line length for kernel command line, and also it will
	break compatibitlty with proprietary releases already in field.
	*/
	__setup("monitor=", cmx2xx_set_display);

	static void __init cmx2xx_init_display(void)
	{
	pxa_set_fb_info(NULL, cmx2xx_display);
	}
	#else
	static inline void cmx2xx_init_display(void) {}
	#endif

	#ifdef CONFIG_PM
	static unsigned long sleep_save_msc[10];

	static int cmx2xx_suspend(void)
	{
	cmx2xx_pci_suspend();

	/* save MSC registers */
	sleep_save_msc[0] = __raw_readl(MSC0);
	sleep_save_msc[1] = __raw_readl(MSC1);
	sleep_save_msc[2] = __raw_readl(MSC2);

	/* setup power saving mode registers */
	PCFR = 0x0;
	PSLR = 0xff400000;
	PMCR = 0x00000005;
	PWER = 0x80000000;
	PFER = 0x00000000;
	PRER = 0x00000000;
	PGSR0 = 0xC0018800;
	PGSR1 = 0x004F0002;
	PGSR2 = 0x6021C000;
	PGSR3 = 0x00020000;

	return 0;
	}

	static void cmx2xx_resume(void)
	{
	cmx2xx_pci_resume();

	/* restore MSC registers */
	__raw_writel(sleep_save_msc[0], MSC0);
	__raw_writel(sleep_save_msc[1], MSC1);
	__raw_writel(sleep_save_msc[2], MSC2);
	}

	static struct syscore_ops cmx2xx_pm_syscore_ops = {
	.resume = cmx2xx_resume,
	.suspend = cmx2xx_suspend,
	};

	static int __init cmx2xx_pm_init(void)
	{
	register_syscore_ops(&cmx2xx_pm_syscore_ops);

	return 0;
	}
	#else
	static int __init cmx2xx_pm_init(void) { return 0; }
	#endif

	#if defined(CONFIG_SND_PXA2XX_AC97) \|\| defined(CONFIG_SND_PXA2XX_AC97_MODULE)
	static void __init cmx2xx_init_ac97(void)
	{
	pxa_set_ac97_info(NULL);
	}
	#else
	static inline void cmx2xx_init_ac97(void) {}
	#endif

	static void __init cmx2xx_init(void)
	{
	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	cmx2xx_pm_init();

	if (cpu_is_pxa25x())
	cmx255_init();
	else
	cmx270_init();

	cmx2xx_init_dm9000();
	cmx2xx_init_display();
	cmx2xx_init_ac97();
	cmx2xx_init_touchscreen();
	cmx2xx_init_leds();

	regulator_has_full_constraints();
	}

	static void __init cmx2xx_init_irq(void)
	{
	if (cpu_is_pxa25x()) {
	pxa25x_init_irq();
	cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
	} else {
	pxa27x_init_irq();
	cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
	}
	}

	#ifdef CONFIG_PCI
	/* Map PCI companion statically */
	static struct map_desc cmx2xx_io_desc[] __initdata = {
	[0] = { /* PCI bridge */
	.virtual = (unsigned long)CMX2XX_IT8152_VIRT,
	.pfn = __phys_to_pfn(PXA_CS4_PHYS),
	.length = SZ_64M,
	.type = MT_DEVICE
	},
	};

	static void __init cmx2xx_map_io(void)
	{
	if (cpu_is_pxa25x())
	pxa25x_map_io();

	if (cpu_is_pxa27x())
	pxa27x_map_io();

	iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));

	it8152_base_address = CMX2XX_IT8152_VIRT;
	}
	#else
	static void __init cmx2xx_map_io(void)
	{
	if (cpu_is_pxa25x())
	pxa25x_map_io();

	if (cpu_is_pxa27x())
	pxa27x_map_io();
	}
	#endif

	MACHINE_START(ARMCORE, "Compulab CM-X2XX")
	.atag_offset = 0x100,
	.map_io = cmx2xx_map_io,
	.nr_irqs = CMX2XX_NR_IRQS,
	.init_irq = cmx2xx_init_irq,
	/* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
	.handle_irq = pxa25x_handle_irq,
	.init_time = pxa_timer_init,
	.init_machine = cmx2xx_init,
	#ifdef CONFIG_PCI
	.dma_zone_size = SZ_64M,
	#endif
	.restart = pxa_restart,
	MACHINE_END