X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Farm%2Fmach-pxa%2Fcm-x270.c;h=a9926bb75922318a9f193752637d6505bc9429a5;hb=82593f87b6c1922a8f8317bb165c6c7794fa4639;hp=402e807eae54cef3fea7cd99d5422e87b9c0cc62;hpb=2f01a973729712c373ccc8acde4d218c38f3029a;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index 402e807..a9926bb 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -13,51 +13,36 @@
 #include <linux/sysdev.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
+#include <linux/delay.h>
 
-#include <linux/dm9000.h>
 #include <linux/rtc-v3020.h>
 #include <video/mbxfb.h>
-#include <linux/leds.h>
 
-#include <asm/mach/arch.h>
-#include <asm/mach-types.h>
-#include <asm/mach/map.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/libertas_spi.h>
 
-#include <asm/arch/pxa2xx-regs.h>
-#include <asm/arch/mfp-pxa27x.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/audio.h>
-#include <asm/arch/pxafb.h>
-#include <asm/arch/ohci.h>
-#include <asm/arch/mmc.h>
-#include <asm/arch/bitfield.h>
-
-#include <asm/hardware/it8152.h>
+#include <mach/pxa27x.h>
+#include <mach/ohci.h>
+#include <mach/mmc.h>
+#include <mach/pxa2xx_spi.h>
 
 #include "generic.h"
-#include "cm-x270-pci.h"
-
-/* virtual addresses for statically mapped regions */
-#define CMX270_VIRT_BASE	(0xe8000000)
-#define CMX270_IT8152_VIRT	(CMX270_VIRT_BASE)
 
+/* physical address if local-bus attached devices */
 #define RTC_PHYS_BASE		(PXA_CS1_PHYS + (5 << 22))
-#define DM9000_PHYS_BASE	(PXA_CS1_PHYS + (6 << 22))
 
 /* GPIO IRQ usage */
-#define GPIO10_ETHIRQ		(10)
-#define GPIO22_IT8152_IRQ	(22)
 #define GPIO83_MMC_IRQ		(83)
-#define GPIO95_GFXIRQ		(95)
 
-#define CMX270_ETHIRQ		IRQ_GPIO(GPIO10_ETHIRQ)
-#define CMX270_IT8152_IRQ	IRQ_GPIO(GPIO22_IT8152_IRQ)
 #define CMX270_MMC_IRQ		IRQ_GPIO(GPIO83_MMC_IRQ)
-#define CMX270_GFXIRQ		IRQ_GPIO(GPIO95_GFXIRQ)
 
 /* MMC power enable */
 #define GPIO105_MMC_POWER	(105)
 
+/* WLAN GPIOS */
+#define GPIO19_WLAN_STRAP	(19)
+#define GPIO102_WLAN_RST	(102)
+
 static unsigned long cmx270_pin_config[] = {
 	/* AC'97 */
 	GPIO28_AC97_BITCLK,
@@ -86,26 +71,7 @@ static unsigned long cmx270_pin_config[] = {
 	GPIO111_MMC_DAT_3,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* I2C */
 	GPIO117_I2C_SCL,
@@ -118,8 +84,8 @@ static unsigned long cmx270_pin_config[] = {
 	GPIO26_SSP1_RXD,
 
 	/* SSP2 */
-	GPIO19_SSP2_SCLK,
-	GPIO14_SSP2_SFRM,
+	GPIO19_GPIO,	/* SSP2 clock is used as GPIO for Libertas pin-strap */
+	GPIO14_GPIO,
 	GPIO87_SSP2_TXD,
 	GPIO88_SSP2_RXD,
 
@@ -147,6 +113,7 @@ static unsigned long cmx270_pin_config[] = {
 	GPIO0_GPIO	| WAKEUP_ON_EDGE_BOTH,
 	GPIO105_GPIO	| MFP_LPM_DRIVE_HIGH,	/* MMC/SD power */
 	GPIO53_GPIO,				/* PC card reset */
+	GPIO102_GPIO,				/* WLAN reset */
 
 	/* NAND controls */
 	GPIO11_GPIO	| MFP_LPM_DRIVE_HIGH,	/* NAND CE# */
@@ -155,64 +122,9 @@ static unsigned long cmx270_pin_config[] = {
 	/* interrupts */
 	GPIO10_GPIO,	/* DM9000 interrupt */
 	GPIO83_GPIO,	/* MMC card detect */
+	GPIO95_GPIO,	/* WLAN interrupt */
 };
 
-#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
-static struct resource cmx270_dm9000_resource[] = {
-	[0] = {
-		.start = DM9000_PHYS_BASE,
-		.end   = DM9000_PHYS_BASE + 4,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = DM9000_PHYS_BASE + 8,
-		.end   = 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,
-};
-
-static struct platform_device cmx270_dm9000_device = {
-	.name		= "dm9000",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(cmx270_dm9000_resource),
-	.resource	= cmx270_dm9000_resource,
-	.dev		= {
-		.platform_data = &cmx270_dm9000_platdata,
-	}
-};
-
-static void __init cmx270_init_dm9000(void)
-{
-	platform_device_register(&cmx270_dm9000_device);
-}
-#else
-static inline void cmx270_init_dm9000(void) {}
-#endif
-
-/* UCB1400 touchscreen controller */
-#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
-static struct platform_device cmx270_ts_device = {
-	.name		= "ucb1400_ts",
-	.id		= -1,
-};
-
-static void __init cmx270_init_touchscreen(void)
-{
-	platform_device_register(&cmx270_ts_device);
-}
-#else
-static inline void cmx270_init_touchscreen(void) {}
-#endif
-
 /* V3020 RTC */
 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 static struct resource cmx270_v3020_resource[] = {
@@ -245,44 +157,6 @@ static void __init cmx270_init_rtc(void)
 static inline void cmx270_init_rtc(void) {}
 #endif
 
-/* CM-X270 LEDs */
-#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
-static struct gpio_led cmx270_leds[] = {
-	[0] = {
-		.name = "cm-x270:red",
-		.default_trigger = "nand-disk",
-		.gpio = 93,
-		.active_low = 1,
-	},
-	[1] = {
-		.name = "cm-x270:green",
-		.default_trigger = "heartbeat",
-		.gpio = 94,
-		.active_low = 1,
-	},
-};
-
-static struct gpio_led_platform_data cmx270_gpio_led_pdata = {
-	.num_leds = ARRAY_SIZE(cmx270_leds),
-	.leds = cmx270_leds,
-};
-
-static struct platform_device cmx270_led_device = {
-	.name		= "leds-gpio",
-	.id		= -1,
-	.dev		= {
-		.platform_data = &cmx270_gpio_led_pdata,
-	},
-};
-
-static void __init cmx270_init_leds(void)
-{
-	platform_device_register(&cmx270_led_device);
-}
-#else
-static inline void cmx270_init_leds(void) {}
-#endif
-
 /* 2700G graphics */
 #if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
 static u64 fb_dma_mask = ~(u64)0;
@@ -302,33 +176,57 @@ static struct resource cmx270_2700G_resource[] = {
 	},
 };
 
-static unsigned long save_lcd_regs[10];
+static unsigned long cmx270_marathon_on[] = {
+	GPIO58_GPIO,
+	GPIO59_GPIO,
+	GPIO60_GPIO,
+	GPIO61_GPIO,
+	GPIO62_GPIO,
+	GPIO63_GPIO,
+	GPIO64_GPIO,
+	GPIO65_GPIO,
+	GPIO66_GPIO,
+	GPIO67_GPIO,
+	GPIO68_GPIO,
+	GPIO69_GPIO,
+	GPIO70_GPIO,
+	GPIO71_GPIO,
+	GPIO72_GPIO,
+	GPIO73_GPIO,
+	GPIO74_GPIO,
+	GPIO75_GPIO,
+	GPIO76_GPIO,
+	GPIO77_GPIO,
+};
+
+static unsigned long cmx270_marathon_off[] = {
+	GPIOxx_LCD_TFT_16BPP,
+};
 
 static int cmx270_marathon_probe(struct fb_info *fb)
 {
-	/* save PXA-270 pin settings before enabling 2700G */
-	save_lcd_regs[0] = GPDR1;
-	save_lcd_regs[1] = GPDR2;
-	save_lcd_regs[2] = GAFR1_U;
-	save_lcd_regs[3] = GAFR2_L;
-	save_lcd_regs[4] = GAFR2_U;
-
-	/* Disable PXA-270 on-chip controller driving pins */
-	GPDR1 &= ~(0xfc000000);
-	GPDR2 &= ~(0x00c03fff);
-	GAFR1_U &= ~(0xfff00000);
-	GAFR2_L &= ~(0x0fffffff);
-	GAFR2_U &= ~(0x0000f000);
+	int gpio, err;
+
+	for (gpio = 58; gpio <= 77; gpio++) {
+		err = gpio_request(gpio, "LCD");
+		if (err)
+			return err;
+		gpio_direction_input(gpio);
+	}
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_on));
 	return 0;
 }
 
 static int cmx270_marathon_remove(struct fb_info *fb)
 {
-	GPDR1 =   save_lcd_regs[0];
-	GPDR2 =   save_lcd_regs[1];
-	GAFR1_U = save_lcd_regs[2];
-	GAFR2_L = save_lcd_regs[3];
-	GAFR2_U = save_lcd_regs[4];
+	int gpio;
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_off));
+
+	for (gpio = 58; gpio <= 77; gpio++)
+		gpio_free(gpio);
+
 	return 0;
 }
 
@@ -373,238 +271,11 @@ static void __init cmx270_init_2700G(void)
 static inline void cmx270_init_2700G(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,
-	.lccr0		= 0,
-	.lccr3		= (LCCR3_PixClkDiv(0x03) |
-			   LCCR3_Acb(0xff) |
-			   LCCR3_PCP),
-	.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,
-	.lccr0		= (LCCR0_PAS),
-	.lccr3		= (LCCR3_PixClkDiv(0x01) |
-			   LCCR3_Acb(0xff) |
-			   LCCR3_PCP),
-	.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,
-	.lccr0		= (LCCR0_PAS),
-	.lccr3		= (LCCR3_PixClkDiv(0x01) |
-			   LCCR3_Acb(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,
-	.lccr0		= (LCCR0_PAS),
-	.lccr3		= (LCCR3_PixClkDiv(0x02) |
-			   LCCR3_Acb(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,
-	.lccr0		= (LCCR0_PAS),
-	.lccr3		= (LCCR3_PixClkDiv(0x06) |
-			   LCCR3_Acb(0xff) |
-			   LCCR3_PCP),
-	.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,
-	.lccr0		= 0,
-	.lccr3		= (LCCR3_PixClkDiv(0x02) |
-			   LCCR3_Acb(0xff)),
-	.cmap_inverse	= 0,
-	.cmap_static	= 0,
-};
-
-static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
-
-static int __init cmx270_set_display(char *str)
-{
-	int disp_type = simple_strtol(str, NULL, 0);
-	switch (disp_type) {
-	case MTYPE_STN320x240:
-		cmx270_display = &generic_stn_320x240;
-		break;
-	case MTYPE_TFT640x480:
-		cmx270_display = &generic_tft_640x480;
-		break;
-	case MTYPE_CRT640x480:
-		cmx270_display = &generic_crt_640x480;
-		break;
-	case MTYPE_CRT800x600:
-		cmx270_display = &generic_crt_800x600;
-		break;
-	case MTYPE_TFT320x240:
-		cmx270_display = &generic_tft_320x240;
-		break;
-	case MTYPE_STN640x480:
-		cmx270_display = &generic_stn_640x480;
-		break;
-	default: /* fallback to CRT 640x480 */
-		cmx270_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-X270 bootloader
-   has limitied line length for kernel command line, and also it will
-   break compatibitlty with proprietary releases already in field.
-*/
-__setup("monitor=", cmx270_set_display);
-
-static void __init cmx270_init_display(void)
-{
-	set_pxa_fb_info(cmx270_display);
-}
-#else
-static inline void cmx270_init_display(void) {}
-#endif
-
 /* PXA27x OHCI controller setup */
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static int cmx270_ohci_init(struct device *dev)
-{
-	/* Set the Power Control Polarity Low */
-	UHCHR = (UHCHR | UHCHR_PCPL) &
-		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
-
-	return 0;
-}
-
 static struct pxaohci_platform_data cmx270_ohci_platform_data = {
 	.port_mode	= PMM_PERPORT_MODE,
-	.init		= cmx270_ohci_init,
+	.flags		= ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 };
 
 static void __init cmx270_init_ohci(void)
@@ -616,56 +287,12 @@ static inline void cmx270_init_ohci(void) {}
 #endif
 
 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
-static int cmx270_mci_init(struct device *dev,
-			   irq_handler_t cmx270_detect_int,
-			   void *data)
-{
-	int err;
-
-	err = gpio_request(GPIO105_MMC_POWER, "MMC/SD power");
-	if (err) {
-		dev_warn(dev, "power gpio unavailable\n");
-		return err;
-	}
-
-	gpio_direction_output(GPIO105_MMC_POWER, 0);
-
-	err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
-			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
-			  "MMC card detect", data);
-	if (err) {
-		gpio_free(GPIO105_MMC_POWER);
-		dev_err(dev, "cmx270_mci_init: MMC/SD: can't"
-			" request MMC card detect IRQ\n");
-	}
-
-	return err;
-}
-
-static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)
-{
-	struct pxamci_platform_data *p_d = dev->platform_data;
-
-	if ((1 << vdd) & p_d->ocr_mask) {
-		dev_dbg(dev, "power on\n");
-		gpio_set_value(GPIO105_MMC_POWER, 0);
-	} else {
-		gpio_set_value(GPIO105_MMC_POWER, 1);
-		dev_dbg(dev, "power off\n");
-	}
-}
-
-static void cmx270_mci_exit(struct device *dev, void *data)
-{
-	free_irq(CMX270_MMC_IRQ, data);
-	gpio_free(GPIO105_MMC_POWER);
-}
-
 static struct pxamci_platform_data cmx270_mci_platform_data = {
-	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
-	.init 		= cmx270_mci_init,
-	.setpower 	= cmx270_mci_setpower,
-	.exit		= cmx270_mci_exit,
+	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
+	.gpio_card_detect	= GPIO83_MMC_IRQ,
+	.gpio_card_ro		= -1,
+	.gpio_power		= GPIO105_MMC_POWER,
+	.gpio_power_invert	= 1,
 };
 
 static void __init cmx270_init_mmc(void)
@@ -676,131 +303,111 @@ static void __init cmx270_init_mmc(void)
 static inline void cmx270_init_mmc(void) {}
 #endif
 
-#ifdef CONFIG_PM
-static unsigned long sleep_save_msc[10];
+#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
+static struct pxa2xx_spi_master cm_x270_spi_info = {
+	.num_chipselect	= 1,
+	.enable_dma	= 1,
+};
 
-static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
-{
-	cmx270_pci_suspend();
-
-	/* save MSC registers */
-	sleep_save_msc[0] = MSC0;
-	sleep_save_msc[1] = MSC1;
-	sleep_save_msc[2] = 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;
+static struct pxa2xx_spi_chip cm_x270_libertas_chip = {
+	.rx_threshold	= 1,
+	.tx_threshold	= 1,
+	.timeout	= 1000,
+	.gpio_cs	= 14,
+};
 
-	return 0;
-}
+static unsigned long cm_x270_libertas_pin_config[] = {
+	/* SSP2 */
+	GPIO19_SSP2_SCLK,
+	GPIO14_GPIO,
+	GPIO87_SSP2_TXD,
+	GPIO88_SSP2_RXD,
 
-static int cmx270_resume(struct sys_device *dev)
+};
+
+static int cm_x270_libertas_setup(struct spi_device *spi)
 {
-	cmx270_pci_resume();
+	int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
+	if (err)
+		return err;
 
-	/* restore MSC registers */
-	MSC0 = sleep_save_msc[0];
-	MSC1 = sleep_save_msc[1];
-	MSC2 = sleep_save_msc[2];
+	err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
+	if (err)
+		goto err_free_strap;
 
-	return 0;
-}
+	err = gpio_direction_output(GPIO102_WLAN_RST, 0);
+	if (err)
+		goto err_free_strap;
+	msleep(100);
 
-static struct sysdev_class cmx270_pm_sysclass = {
-	.name = "pm",
-	.resume = cmx270_resume,
-	.suspend = cmx270_suspend,
-};
+	err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
+	if (err)
+		goto err_free_strap;
+	msleep(100);
 
-static struct sys_device cmx270_pm_device = {
-	.cls = &cmx270_pm_sysclass,
-};
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));
 
-static int __init cmx270_pm_init(void)
-{
-	int error;
-	error = sysdev_class_register(&cmx270_pm_sysclass);
-	if (error == 0)
-		error = sysdev_register(&cmx270_pm_device);
-	return error;
-}
-#else
-static int __init cmx270_pm_init(void) { return 0; }
-#endif
+	gpio_set_value(GPIO102_WLAN_RST, 1);
+	msleep(100);
 
-#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
-static void __init cmx270_init_ac97(void)
-{
-	pxa_set_ac97_info(NULL);
-}
-#else
-static inline void cmx270_init_ac97(void) {}
-#endif
+	spi->bits_per_word = 16;
+	spi_setup(spi);
 
-static void __init cmx270_init(void)
-{
-	cmx270_pm_init();
+	return 0;
 
-	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
+err_free_strap:
+	gpio_free(GPIO19_WLAN_STRAP);
 
-	cmx270_init_dm9000();
-	cmx270_init_rtc();
-	cmx270_init_display();
-	cmx270_init_mmc();
-	cmx270_init_ohci();
-	cmx270_init_ac97();
-	cmx270_init_touchscreen();
-	cmx270_init_leds();
-	cmx270_init_2700G();
+	return err;
 }
 
-static void __init cmx270_init_irq(void)
+static int cm_x270_libertas_teardown(struct spi_device *spi)
 {
-	pxa27x_init_irq();
+	gpio_set_value(GPIO102_WLAN_RST, 0);
+	gpio_free(GPIO102_WLAN_RST);
+	gpio_free(GPIO19_WLAN_STRAP);
 
-	cmx270_pci_init_irq(GPIO22_IT8152_IRQ);
+	return 0;
 }
 
-#ifdef CONFIG_PCI
-/* Map PCI companion statically */
-static struct map_desc cmx270_io_desc[] __initdata = {
-	[0] = { /* PCI bridge */
-		.virtual	= CMX270_IT8152_VIRT,
-		.pfn		= __phys_to_pfn(PXA_CS4_PHYS),
-		.length		= SZ_64M,
-		.type		= MT_DEVICE
+struct libertas_spi_platform_data cm_x270_libertas_pdata = {
+	.use_dummy_writes	= 1,
+	.setup			= cm_x270_libertas_setup,
+	.teardown		= cm_x270_libertas_teardown,
+};
+
+static struct spi_board_info cm_x270_spi_devices[] __initdata = {
+	{
+		.modalias		= "libertas_spi",
+		.max_speed_hz		= 13000000,
+		.bus_num		= 2,
+		.irq			= gpio_to_irq(95),
+		.chip_select		= 0,
+		.controller_data	= &cm_x270_libertas_chip,
+		.platform_data		= &cm_x270_libertas_pdata,
 	},
 };
 
-static void __init cmx270_map_io(void)
+static void __init cmx270_init_spi(void)
 {
-	pxa_map_io();
-	iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
-
-	it8152_base_address = CMX270_IT8152_VIRT;
+	pxa2xx_set_spi_info(2, &cm_x270_spi_info);
+	spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices));
 }
 #else
-static void __init cmx270_map_io(void)
+static inline void cmx270_init_spi(void) {}
+#endif
+
+void __init cmx270_init(void)
 {
-	pxa_map_io();
-}
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
+
+#ifdef CONFIG_PM
+	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
 #endif
 
-MACHINE_START(ARMCORE, "Compulab CM-x270")
-	.boot_params	= 0xa0000100,
-	.phys_io	= 0x40000000,
-	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
-	.map_io		= cmx270_map_io,
-	.init_irq	= cmx270_init_irq,
-	.timer		= &pxa_timer,
-	.init_machine	= cmx270_init,
-MACHINE_END
+	cmx270_init_rtc();
+	cmx270_init_mmc();
+	cmx270_init_ohci();
+	cmx270_init_2700G();
+	cmx270_init_spi();
+}