arch/arm/mach-pxa/pcm990-baseboard.c - kernel/panda - Git at Google

 /*
  *  arch/arm/mach-pxa/pcm990-baseboard.c
  *  Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990).
  *
  *  Refer
  *   http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html
  *  for additional hardware info
  *
  *  Author:	Juergen Kilb
  *  Created:	April 05, 2005
  *  Copyright:	Phytec Messtechnik GmbH
  *  e-Mail:	armlinux@phytec.de
  *
  *  based on Intel Mainstone Board
  *
  *  Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
  *
  *  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/irq.h>
 #include <linux/platform_device.h>
 #include <linux/ide.h>
 #include <asm/mach/map.h>
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/pxa2xx-gpio.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/ohci.h>
 #include <asm/arch/pcm990_baseboard.h>

 /*
  * The PCM-990 development baseboard uses PCM-027's hardeware in the
  * following way:
  *
  * - LCD support is in use
  *  - GPIO16 is output for back light on/off with PWM
  *  - GPIO58 ... GPIO73 are outputs for display data
  *  - GPIO74 is output output for LCDFCLK
  *  - GPIO75 is output for LCDLCLK
  *  - GPIO76 is output for LCDPCLK
  *  - GPIO77 is output for LCDBIAS
  * - MMC support is in use
  *  - GPIO32 is output for MMCCLK
  *  - GPIO92 is MMDAT0
  *  - GPIO109 is MMDAT1
  *  - GPIO110 is MMCS0
  *  - GPIO111 is MMCS1
  *  - GPIO112 is MMCMD
  * - IDE/CF card is in use
  *  - GPIO48 is output /POE
  *  - GPIO49 is output /PWE
  *  - GPIO50 is output /PIOR
  *  - GPIO51 is output /PIOW
  *  - GPIO54 is output /PCE2
  *  - GPIO55 is output /PREG
  *  - GPIO56 is input /PWAIT
  *  - GPIO57 is output /PIOS16
  *  - GPIO79 is output PSKTSEL
  *  - GPIO85 is output /PCE1
  * - FFUART is in use
  *  - GPIO34 is input FFRXD
  *  - GPIO35 is input FFCTS
  *  - GPIO36 is input FFDCD
  *  - GPIO37 is input FFDSR
  *  - GPIO38 is input FFRI
  *  - GPIO39 is output FFTXD
  *  - GPIO40 is output FFDTR
  *  - GPIO41 is output FFRTS
  * - BTUART is in use
  *  - GPIO42 is input BTRXD
  *  - GPIO43 is output BTTXD
  *  - GPIO44 is input BTCTS
  *  - GPIO45 is output BTRTS
  * - IRUART is in use
  *  - GPIO46 is input STDRXD
  *  - GPIO47 is output STDTXD
  * - AC97 is in use*)
  *  - GPIO28 is input AC97CLK
  *  - GPIO29 is input AC97DatIn
  *  - GPIO30 is output AC97DatO
  *  - GPIO31 is output AC97SYNC
  *  - GPIO113 is output AC97_RESET
  * - SSP is in use
  *  - GPIO23 is output SSPSCLK
  *  - GPIO24 is output chip select to Max7301
  *  - GPIO25 is output SSPTXD
  *  - GPIO26 is input SSPRXD
  *  - GPIO27 is input for Max7301 IRQ
  *  - GPIO53 is input SSPSYSCLK
  * - SSP3 is in use
  *  - GPIO81 is output SSPTXD3
  *  - GPIO82 is input SSPRXD3
  *  - GPIO83 is output SSPSFRM
  *  - GPIO84 is output SSPCLK3
  *
  * Otherwise claimed GPIOs:
  * GPIO1 -> IRQ from user switch
  * GPIO9 -> IRQ from power management
  * GPIO10 -> IRQ from WML9712 AC97 controller
  * GPIO11 -> IRQ from IDE controller
  * GPIO12 -> IRQ from CF controller
  * GPIO13 -> IRQ from CF controller
  * GPIO14 -> GPIO free
  * GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path)
  * GPIO19 -> GPIO free
  * GPIO20 -> /SDCS2
  * GPIO21 -> /CS3 PC card socket select
  * GPIO33 -> /CS5  network controller select
  * GPIO78 -> /CS2  (16 bit wide data path)
  * GPIO80 -> /CS4  (16 bit wide data path)
  * GPIO86 -> GPIO free
  * GPIO87 -> GPIO free
  * GPIO90 -> LED0 on CPU module
  * GPIO91 -> LED1 on CPI module
  * GPIO117 -> SCL
  * GPIO118 -> SDA
  */

 static unsigned long pcm990_irq_enabled;

 static void pcm990_mask_ack_irq(unsigned int irq)
 {
 	int pcm990_irq = (irq - PCM027_IRQ(0));
 	PCM990_INTMSKENA = (pcm990_irq_enabled &= ~(1 << pcm990_irq));
 }

 static void pcm990_unmask_irq(unsigned int irq)
 {
 	int pcm990_irq = (irq - PCM027_IRQ(0));
 	/* the irq can be acknowledged only if deasserted, so it's done here */
 	PCM990_INTSETCLR |= 1 << pcm990_irq;
 	PCM990_INTMSKENA  = (pcm990_irq_enabled |= (1 << pcm990_irq));
 }

 static struct irq_chip pcm990_irq_chip = {
 	.mask_ack	= pcm990_mask_ack_irq,
 	.unmask		= pcm990_unmask_irq,
 };

 static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;

 	do {
 		GEDR(PCM990_CTRL_INT_IRQ_GPIO) =
 					GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
 		if (likely(pending)) {
 			irq = PCM027_IRQ(0) + __ffs(pending);
 			desc = irq_desc + irq;
 			desc_handle_irq(irq, desc);
 		}
 		pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
 	} while (pending);
 }

 static void __init pcm990_init_irq(void)
 {
 	int irq;

 	/* setup extra PCM990 irqs */
 	for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
 		set_irq_chip(irq, &pcm990_irq_chip);
 		set_irq_handler(irq, handle_level_irq);
 		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 	}

 	PCM990_INTMSKENA = 0x00;	/* disable all Interrupts */
 	PCM990_INTSETCLR = 0xFF;

 	set_irq_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
 	set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
 }

 static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
 			void *data)
 {
 	int err;

 	/*
 	 * enable GPIO for PXA27x MMC controller
 	 */
 	pxa_gpio_mode(GPIO32_MMCCLK_MD);
 	pxa_gpio_mode(GPIO112_MMCCMD_MD);
 	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 	pxa_gpio_mode(GPIO111_MMCDAT3_MD);

 	err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED,
 			     "MMC card detect", data);
 	if (err)
 		printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
 				"card detect IRQ\n");

 	return err;
 }

 static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
 {
 	struct pxamci_platform_data *p_d = dev->platform_data;

 	if ((1 << vdd) & p_d->ocr_mask)
 		__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
 						PCM990_CTRL_MMC2PWR;
 	else
 		__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
 						~PCM990_CTRL_MMC2PWR;
 }

 static void pcm990_mci_exit(struct device *dev, void *data)
 {
 	free_irq(PCM027_MMCDET_IRQ, data);
 }

 #define MSECS_PER_JIFFY (1000/HZ)

 static struct pxamci_platform_data pcm990_mci_platform_data = {
 	.detect_delay	= 250 / MSECS_PER_JIFFY,
 	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
 	.init 		= pcm990_mci_init,
 	.setpower 	= pcm990_mci_setpower,
 	.exit		= pcm990_mci_exit,
 };

 /*
  * init OHCI hardware to work with
  *
  * Note: Only USB port 1 (host only) is connected
  *
  * GPIO88 (USBHPWR#1): overcurrent in, overcurrent when low
  * GPIO89 (USBHPEN#1): power-on out, on when low
  */
 static int pcm990_ohci_init(struct device *dev)
 {
 	pxa_gpio_mode(PCM990_USB_OVERCURRENT);
 	pxa_gpio_mode(PCM990_USB_PWR_EN);
 	/*
 	 * disable USB port 2 and 3
 	 * power sense is active low
 	 */
 	UHCHR = ((UHCHR) | UHCHR_PCPL | UHCHR_PSPL | UHCHR_SSEP2 |
 				UHCHR_SSEP3) & ~(UHCHR_SSEP1 | UHCHR_SSE);
 	/*
 	 * wait 10ms after Power on
 	 * overcurrent per port
 	 * power switch per port
 	 */
 	UHCRHDA = (5<<24) | (1<<11) | (1<<8);	/* FIXME: Required? */

 	return 0;
 }

 static struct pxaohci_platform_data pcm990_ohci_platform_data = {
 	.port_mode	= PMM_PERPORT_MODE,
 	.init		= pcm990_ohci_init,
 	.exit		= NULL,
 };

 /*
  * AC97 support
  * Note: The connected AC97 mixer also reports interrupts at PCM990_AC97_IRQ
  */
 static struct resource pxa27x_ac97_resources[] = {
 	[0] = {
 		.start  = 0x40500000,
 		.end	= 0x40500000 + 0xfff,
 		.flags  = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start  = IRQ_AC97,
 		.end    = IRQ_AC97,
 		.flags  = IORESOURCE_IRQ,
 	},
 };

 static u64 pxa_ac97_dmamask = 0xffffffffUL;

 static struct platform_device pxa27x_device_ac97 = {
 	.name           = "pxa2xx-ac97",
 	.id             = -1,
 	.dev            = {
 		.dma_mask = &pxa_ac97_dmamask,
 		.coherent_dma_mask = 0xffffffff,
 	},
 	.num_resources  = ARRAY_SIZE(pxa27x_ac97_resources),
 	.resource       = pxa27x_ac97_resources,
 };

 /*
  * enable generic access to the base board control CPLDs U6 and U7
  */
 static struct map_desc pcm990_io_desc[] __initdata = {
 	{
 		.virtual	= PCM990_CTRL_BASE,
 		.pfn		= __phys_to_pfn(PCM990_CTRL_PHYS),
 		.length		= PCM990_CTRL_SIZE,
 		.type		= MT_DEVICE	/* CPLD */
 	}, {
 		.virtual	= PCM990_CF_PLD_BASE,
 		.pfn		= __phys_to_pfn(PCM990_CF_PLD_PHYS),
 		.length		= PCM990_CF_PLD_SIZE,
 		.type		= MT_DEVICE	/* CPLD */
 	}
 };

 /*
  * system init for baseboard usage. Will be called by pcm027 init.
  *
  * Add platform devices present on this baseboard and init
  * them from CPU side as far as required to use them later on
  */
 void __init pcm990_baseboard_init(void)
 {
 	/* register CPLD access */
 	iotable_init(pcm990_io_desc, ARRAY_SIZE(pcm990_io_desc));

 	/* register CPLD's IRQ controller */
 	pcm990_init_irq();

 	platform_device_register(&pxa27x_device_ac97);

 	/* MMC */
 	pxa_set_mci_info(&pcm990_mci_platform_data);

 	/* USB host */
 	pxa_set_ohci_info(&pcm990_ohci_platform_data);

 	printk(KERN_INFO"PCM-990 Evaluation baseboard initialized\n");
 }
	/*
	* arch/arm/mach-pxa/pcm990-baseboard.c
	* Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990).
	*
	* Refer
	* http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html
	* for additional hardware info
	*
	* Author: Juergen Kilb
	* Created: April 05, 2005
	* Copyright: Phytec Messtechnik GmbH
	* e-Mail: armlinux@phytec.de
	*
	* based on Intel Mainstone Board
	*
	* Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
	*
	* 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/irq.h>
	#include <linux/platform_device.h>
	#include <linux/ide.h>
	#include <asm/mach/map.h>
	#include <asm/arch/pxa-regs.h>
	#include <asm/arch/pxa2xx-gpio.h>
	#include <asm/arch/mmc.h>
	#include <asm/arch/ohci.h>
	#include <asm/arch/pcm990_baseboard.h>

	/*
	* The PCM-990 development baseboard uses PCM-027's hardeware in the
	* following way:
	*
	* - LCD support is in use
	* - GPIO16 is output for back light on/off with PWM
	* - GPIO58 ... GPIO73 are outputs for display data
	* - GPIO74 is output output for LCDFCLK
	* - GPIO75 is output for LCDLCLK
	* - GPIO76 is output for LCDPCLK
	* - GPIO77 is output for LCDBIAS
	* - MMC support is in use
	* - GPIO32 is output for MMCCLK
	* - GPIO92 is MMDAT0
	* - GPIO109 is MMDAT1
	* - GPIO110 is MMCS0
	* - GPIO111 is MMCS1
	* - GPIO112 is MMCMD
	* - IDE/CF card is in use
	* - GPIO48 is output /POE
	* - GPIO49 is output /PWE
	* - GPIO50 is output /PIOR
	* - GPIO51 is output /PIOW
	* - GPIO54 is output /PCE2
	* - GPIO55 is output /PREG
	* - GPIO56 is input /PWAIT
	* - GPIO57 is output /PIOS16
	* - GPIO79 is output PSKTSEL
	* - GPIO85 is output /PCE1
	* - FFUART is in use
	* - GPIO34 is input FFRXD
	* - GPIO35 is input FFCTS
	* - GPIO36 is input FFDCD
	* - GPIO37 is input FFDSR
	* - GPIO38 is input FFRI
	* - GPIO39 is output FFTXD
	* - GPIO40 is output FFDTR
	* - GPIO41 is output FFRTS
	* - BTUART is in use
	* - GPIO42 is input BTRXD
	* - GPIO43 is output BTTXD
	* - GPIO44 is input BTCTS
	* - GPIO45 is output BTRTS
	* - IRUART is in use
	* - GPIO46 is input STDRXD
	* - GPIO47 is output STDTXD
	* - AC97 is in use*)
	* - GPIO28 is input AC97CLK
	* - GPIO29 is input AC97DatIn
	* - GPIO30 is output AC97DatO
	* - GPIO31 is output AC97SYNC
	* - GPIO113 is output AC97_RESET
	* - SSP is in use
	* - GPIO23 is output SSPSCLK
	* - GPIO24 is output chip select to Max7301
	* - GPIO25 is output SSPTXD
	* - GPIO26 is input SSPRXD
	* - GPIO27 is input for Max7301 IRQ
	* - GPIO53 is input SSPSYSCLK
	* - SSP3 is in use
	* - GPIO81 is output SSPTXD3
	* - GPIO82 is input SSPRXD3
	* - GPIO83 is output SSPSFRM
	* - GPIO84 is output SSPCLK3
	*
	* Otherwise claimed GPIOs:
	* GPIO1 -> IRQ from user switch
	* GPIO9 -> IRQ from power management
	* GPIO10 -> IRQ from WML9712 AC97 controller
	* GPIO11 -> IRQ from IDE controller
	* GPIO12 -> IRQ from CF controller
	* GPIO13 -> IRQ from CF controller
	* GPIO14 -> GPIO free
	* GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path)
	* GPIO19 -> GPIO free
	* GPIO20 -> /SDCS2
	* GPIO21 -> /CS3 PC card socket select
	* GPIO33 -> /CS5 network controller select
	* GPIO78 -> /CS2 (16 bit wide data path)
	* GPIO80 -> /CS4 (16 bit wide data path)
	* GPIO86 -> GPIO free
	* GPIO87 -> GPIO free
	* GPIO90 -> LED0 on CPU module
	* GPIO91 -> LED1 on CPI module
	* GPIO117 -> SCL
	* GPIO118 -> SDA
	*/

	static unsigned long pcm990_irq_enabled;

	static void pcm990_mask_ack_irq(unsigned int irq)
	{
	int pcm990_irq = (irq - PCM027_IRQ(0));
	PCM990_INTMSKENA = (pcm990_irq_enabled &= ~(1 << pcm990_irq));
	}

	static void pcm990_unmask_irq(unsigned int irq)
	{
	int pcm990_irq = (irq - PCM027_IRQ(0));
	/* the irq can be acknowledged only if deasserted, so it's done here */
	PCM990_INTSETCLR \|= 1 << pcm990_irq;
	PCM990_INTMSKENA = (pcm990_irq_enabled \|= (1 << pcm990_irq));
	}

	static struct irq_chip pcm990_irq_chip = {
	.mask_ack = pcm990_mask_ack_irq,
	.unmask = pcm990_unmask_irq,
	};

	static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
	{
	unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;

	do {
	GEDR(PCM990_CTRL_INT_IRQ_GPIO) =
	GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
	if (likely(pending)) {
	irq = PCM027_IRQ(0) + __ffs(pending);
	desc = irq_desc + irq;
	desc_handle_irq(irq, desc);
	}
	pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
	} while (pending);
	}

	static void __init pcm990_init_irq(void)
	{
	int irq;

	/* setup extra PCM990 irqs */
	for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
	set_irq_chip(irq, &pcm990_irq_chip);
	set_irq_handler(irq, handle_level_irq);
	set_irq_flags(irq, IRQF_VALID \| IRQF_PROBE);
	}

	PCM990_INTMSKENA = 0x00; /* disable all Interrupts */
	PCM990_INTSETCLR = 0xFF;

	set_irq_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
	set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
	}

	static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
	void *data)
	{
	int err;

	/*
	* enable GPIO for PXA27x MMC controller
	*/
	pxa_gpio_mode(GPIO32_MMCCLK_MD);
	pxa_gpio_mode(GPIO112_MMCCMD_MD);
	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
	pxa_gpio_mode(GPIO111_MMCDAT3_MD);

	err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED,
	"MMC card detect", data);
	if (err)
	printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
	"card detect IRQ\n");

	return err;
	}

	static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
	{
	struct pxamci_platform_data *p_d = dev->platform_data;

	if ((1 << vdd) & p_d->ocr_mask)
	__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
	PCM990_CTRL_MMC2PWR;
	else
	__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
	~PCM990_CTRL_MMC2PWR;
	}

	static void pcm990_mci_exit(struct device dev, void data)
	{
	free_irq(PCM027_MMCDET_IRQ, data);
	}

	#define MSECS_PER_JIFFY (1000/HZ)

	static struct pxamci_platform_data pcm990_mci_platform_data = {
	.detect_delay = 250 / MSECS_PER_JIFFY,
	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	.init = pcm990_mci_init,
	.setpower = pcm990_mci_setpower,
	.exit = pcm990_mci_exit,
	};

	/*
	* init OHCI hardware to work with
	*
	* Note: Only USB port 1 (host only) is connected
	*
	* GPIO88 (USBHPWR#1): overcurrent in, overcurrent when low
	* GPIO89 (USBHPEN#1): power-on out, on when low
	*/
	static int pcm990_ohci_init(struct device *dev)
	{
	pxa_gpio_mode(PCM990_USB_OVERCURRENT);
	pxa_gpio_mode(PCM990_USB_PWR_EN);
	/*
	* disable USB port 2 and 3
	* power sense is active low
	*/
	UHCHR = ((UHCHR) \| UHCHR_PCPL \| UHCHR_PSPL \| UHCHR_SSEP2 \|
	UHCHR_SSEP3) & ~(UHCHR_SSEP1 \| UHCHR_SSE);
	/*
	* wait 10ms after Power on
	* overcurrent per port
	* power switch per port
	*/
	UHCRHDA = (5<<24) \| (1<<11) \| (1<<8); /* FIXME: Required? */

	return 0;
	}

	static struct pxaohci_platform_data pcm990_ohci_platform_data = {
	.port_mode = PMM_PERPORT_MODE,
	.init = pcm990_ohci_init,
	.exit = NULL,
	};

	/*
	* AC97 support
	* Note: The connected AC97 mixer also reports interrupts at PCM990_AC97_IRQ
	*/
	static struct resource pxa27x_ac97_resources[] = {
	[0] = {
	.start = 0x40500000,
	.end = 0x40500000 + 0xfff,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_AC97,
	.end = IRQ_AC97,
	.flags = IORESOURCE_IRQ,
	},
	};

	static u64 pxa_ac97_dmamask = 0xffffffffUL;

	static struct platform_device pxa27x_device_ac97 = {
	.name = "pxa2xx-ac97",
	.id = -1,
	.dev = {
	.dma_mask = &pxa_ac97_dmamask,
	.coherent_dma_mask = 0xffffffff,
	},
	.num_resources = ARRAY_SIZE(pxa27x_ac97_resources),
	.resource = pxa27x_ac97_resources,
	};

	/*
	* enable generic access to the base board control CPLDs U6 and U7
	*/
	static struct map_desc pcm990_io_desc[] __initdata = {
	{
	.virtual = PCM990_CTRL_BASE,
	.pfn = __phys_to_pfn(PCM990_CTRL_PHYS),
	.length = PCM990_CTRL_SIZE,
	.type = MT_DEVICE /* CPLD */
	}, {
	.virtual = PCM990_CF_PLD_BASE,
	.pfn = __phys_to_pfn(PCM990_CF_PLD_PHYS),
	.length = PCM990_CF_PLD_SIZE,
	.type = MT_DEVICE /* CPLD */
	}
	};

	/*
	* system init for baseboard usage. Will be called by pcm027 init.
	*
	* Add platform devices present on this baseboard and init
	* them from CPU side as far as required to use them later on
	*/
	void __init pcm990_baseboard_init(void)
	{
	/* register CPLD access */
	iotable_init(pcm990_io_desc, ARRAY_SIZE(pcm990_io_desc));

	/* register CPLD's IRQ controller */
	pcm990_init_irq();

	platform_device_register(&pxa27x_device_ac97);

	/* MMC */
	pxa_set_mci_info(&pcm990_mci_platform_data);

	/* USB host */
	pxa_set_ohci_info(&pcm990_ohci_platform_data);

	printk(KERN_INFO"PCM-990 Evaluation baseboard initialized\n");
	}