[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-pxa / pcm990-baseboard.c

/*
 *  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 <linux/i2c.h>
#include <linux/pwm_backlight.h>

#include <media/soc_camera.h>

#include <asm/gpio.h>
#include <asm/arch/i2c.h>
#include <asm/arch/camera.h>
#include <asm/mach/map.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/audio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pcm990_baseboard.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mfp-pxa27x.h>

#include "devices.h"
#include "generic.h"

static unsigned long pcm990_pin_config[] __initdata = {
	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	/* USB */
	GPIO88_USBH1_PWR,
	GPIO89_USBH1_PEN,
	/* PWM0 */
	GPIO16_PWM0_OUT,
};

/*
 * pcm990_lcd_power - control power supply to the LCD
 * @on: 0 = switch off, 1 = switch on
 *
 * Called by the pxafb driver
 */
#ifndef CONFIG_PCM990_DISPLAY_NONE
static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
{
	if (on) {
		/* enable LCD-Latches
		 * power on LCD
		 */
		__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) =
			PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON;
	} else {
		/* disable LCD-Latches
		 * power off LCD
		 */
		__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = 0x00;
	}
}
#endif

#if defined(CONFIG_PCM990_DISPLAY_SHARP)
static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
	.pixclock		= 28000,
	.xres			= 640,
	.yres			= 480,
	.bpp			= 16,
	.hsync_len		= 20,
	.left_margin		= 103,
	.right_margin		= 47,
	.vsync_len		= 6,
	.upper_margin		= 28,
	.lower_margin		= 5,
	.sync			= 0,
	.cmap_greyscale		= 0,
};

static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	.modes			= &fb_info_sharp_lq084v1dg21,
	.num_modes		= 1,
	.lccr0			= LCCR0_PAS,
	.lccr3			= LCCR3_PCP,
	.pxafb_lcd_power	= pcm990_lcd_power,
};
#elif defined(CONFIG_PCM990_DISPLAY_NEC)
struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
	.pixclock		= 39720,
	.xres			= 640,
	.yres			= 480,
	.bpp			= 16,
	.hsync_len		= 32,
	.left_margin		= 16,
	.right_margin		= 48,
	.vsync_len		= 2,
	.upper_margin		= 12,
	.lower_margin		= 17,
	.sync			= 0,
	.cmap_greyscale		= 0,
};

static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	.modes			= &fb_info_nec_nl6448bc20_18d,
	.num_modes		= 1,
	.lccr0			= LCCR0_Act,
	.lccr3			= LCCR3_PixFlEdg,
	.pxafb_lcd_power	= pcm990_lcd_power,
};
#endif

static struct platform_pwm_backlight_data pcm990_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 1023,
	.dft_brightness	= 1023,
	.pwm_period_ns	= 78770,
};

static struct platform_device pcm990_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent = &pxa27x_device_pwm0.dev,
		.platform_data = &pcm990_backlight_data,
	},
};

/*
 * The PCM-990 development baseboard uses PCM-027's hardware 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;

	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)
{
	/*
	 * 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,
};

/*
 * PXA27x Camera specific stuff
 */
#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
static unsigned long pcm990_camera_pin_config[] = {
	/* CIF */
	GPIO98_CIF_DD_0,
	GPIO105_CIF_DD_1,
	GPIO104_CIF_DD_2,
	GPIO103_CIF_DD_3,
	GPIO95_CIF_DD_4,
	GPIO94_CIF_DD_5,
	GPIO93_CIF_DD_6,
	GPIO108_CIF_DD_7,
	GPIO107_CIF_DD_8,
	GPIO106_CIF_DD_9,
	GPIO42_CIF_MCLK,
	GPIO45_CIF_PCLK,
	GPIO43_CIF_FV,
	GPIO44_CIF_LV,
};

static int pcm990_pxacamera_init(struct device *dev)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
	return 0;
}

/*
 * CICR4: PCLK_EN:	Pixel clock is supplied by the sensor
 *	MCLK_EN:	Master clock is generated by PXA
 *	PCP:		Data sampled on the falling edge of pixel clock
 */
struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
	.init	= pcm990_pxacamera_init,
	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_DATAWIDTH_10 |
		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN/* | PXA_CAMERA_PCP*/,
	.mclk_10khz = 1000,
};

#include <linux/i2c/pca953x.h>

static struct pca953x_platform_data pca9536_data = {
	.gpio_base	= NR_BUILTIN_GPIO + 1,
};

static struct soc_camera_link iclink[] = {
	{
		.bus_id	= 0, /* Must match with the camera ID above */
		.gpio	= NR_BUILTIN_GPIO + 1,
	}, {
		.bus_id	= 0, /* Must match with the camera ID above */
	}
};

/* Board I2C devices. */
static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
	{
		/* Must initialize before the camera(s) */
		I2C_BOARD_INFO("pca9536", 0x41),
		.platform_data = &pca9536_data,
	}, {
		I2C_BOARD_INFO("mt9v022", 0x48),
		.platform_data = &iclink[0], /* With extender */
	}, {
		I2C_BOARD_INFO("mt9m001", 0x5d),
		.platform_data = &iclink[0], /* With extender */
	},
};
#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */

/*
 * 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)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_pin_config));

	/* register CPLD access */
	iotable_init(ARRAY_AND_SIZE(pcm990_io_desc));

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

#ifndef CONFIG_PCM990_DISPLAY_NONE
	set_pxa_fb_info(&pcm990_fbinfo);
#endif
	platform_device_register(&pcm990_backlight_device);

	/* MMC */
	pxa_set_mci_info(&pcm990_mci_platform_data);

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

	pxa_set_i2c_info(NULL);
	pxa_set_ac97_info(NULL);

#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
	pxa_set_camera_info(&pcm990_pxacamera_platform_data);

	i2c_register_board_info(0, ARRAY_AND_SIZE(pcm990_i2c_devices));
#endif

	printk(KERN_INFO "PCM-990 Evaluation baseboard initialized\n");
}
Commit	Line	Data
2e927b76 RS	1	/*
	2	* arch/arm/mach-pxa/pcm990-baseboard.c
	3	* Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990).
	4	*
	5	* Refer
	6	* http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html
	7	* for additional hardware info
	8	*
	9	* Author: Juergen Kilb
	10	* Created: April 05, 2005
	11	* Copyright: Phytec Messtechnik GmbH
	12	* e-Mail: armlinux@phytec.de
	13	*
	14	* based on Intel Mainstone Board
	15	*
	16	* Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
	17	*
	18	* This program is free software; you can redistribute it and/or modify
	19	* it under the terms of the GNU General Public License version 2 as
	20	* published by the Free Software Foundation.
	21	*/
	22
	23	#include <linux/irq.h>
	24	#include <linux/platform_device.h>
	25	#include <linux/ide.h>
58762e77	26	#include <linux/i2c.h>
c0f7edb3	27	#include <linux/pwm_backlight.h>
58762e77 GL	28
	29	#include <media/soc_camera.h>
	30
	31	#include <asm/gpio.h>
	32	#include <asm/arch/i2c.h>
	33	#include <asm/arch/camera.h>
2e927b76 RS	34	#include <asm/mach/map.h>
2e927b76 RS	35	#include <asm/arch/pxa-regs.h>
9f19d638	36	#include <asm/arch/audio.h>
2e927b76 RS	37	#include <asm/arch/mmc.h>
	38	#include <asm/arch/ohci.h>
	39	#include <asm/arch/pcm990_baseboard.h>
c0f7edb3	40	#include <asm/arch/pxafb.h>
6a566fbb	41	#include <asm/arch/mfp-pxa27x.h>
c0f7edb3 GL	42
c0f7edb3 GL	43	#include "devices.h"
6a566fbb GL	44	#include "generic.h"
	45
	46	static unsigned long pcm990_pin_config[] __initdata = {
	47	/* MMC */
	48	GPIO32_MMC_CLK,
	49	GPIO112_MMC_CMD,
	50	GPIO92_MMC_DAT_0,
	51	GPIO109_MMC_DAT_1,
	52	GPIO110_MMC_DAT_2,
	53	GPIO111_MMC_DAT_3,
	54	/* USB */
	55	GPIO88_USBH1_PWR,
	56	GPIO89_USBH1_PEN,
	57	/* PWM0 */
	58	GPIO16_PWM0_OUT,
	59	};
c0f7edb3 GL	60
	61	/*
	62	* pcm990_lcd_power - control power supply to the LCD
	63	* @on: 0 = switch off, 1 = switch on
	64	*
	65	* Called by the pxafb driver
	66	*/
	67	#ifndef CONFIG_PCM990_DISPLAY_NONE
	68	static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
	69	{
	70	if (on) {
	71	/* enable LCD-Latches
	72	* power on LCD
	73	*/
	74	__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) =
	75	PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON;
	76	} else {
	77	/* disable LCD-Latches
	78	* power off LCD
	79	*/
	80	__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = 0x00;
	81	}
	82	}
	83	#endif
	84
	85	#if defined(CONFIG_PCM990_DISPLAY_SHARP)
	86	static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
	87	.pixclock = 28000,
	88	.xres = 640,
	89	.yres = 480,
	90	.bpp = 16,
	91	.hsync_len = 20,
	92	.left_margin = 103,
	93	.right_margin = 47,
	94	.vsync_len = 6,
	95	.upper_margin = 28,
	96	.lower_margin = 5,
	97	.sync = 0,
	98	.cmap_greyscale = 0,
	99	};
	100
	101	static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	102	.modes = &fb_info_sharp_lq084v1dg21,
	103	.num_modes = 1,
	104	.lccr0 = LCCR0_PAS,
	105	.lccr3 = LCCR3_PCP,
	106	.pxafb_lcd_power = pcm990_lcd_power,
	107	};
	108	#elif defined(CONFIG_PCM990_DISPLAY_NEC)
	109	struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
	110	.pixclock = 39720,
	111	.xres = 640,
	112	.yres = 480,
	113	.bpp = 16,
	114	.hsync_len = 32,
	115	.left_margin = 16,
	116	.right_margin = 48,
	117	.vsync_len = 2,
	118	.upper_margin = 12,
	119	.lower_margin = 17,
	120	.sync = 0,
	121	.cmap_greyscale = 0,
	122	};
	123
124	static struct pxafb_mach_info pcm990_fbinfo __initdata = {
125	.modes = &fb_info_nec_nl6448bc20_18d,
126	.num_modes = 1,
127	.lccr0 = LCCR0_Act,
128	.lccr3 = LCCR3_PixFlEdg,
129	.pxafb_lcd_power = pcm990_lcd_power,
130	};
131	#endif
132
133	static struct platform_pwm_backlight_data pcm990_backlight_data = {
134	.pwm_id = 0,
135	.max_brightness = 1023,
136	.dft_brightness = 1023,
137	.pwm_period_ns = 78770,
138	};
139
140	static struct platform_device pcm990_backlight_device = {
141	.name = "pwm-backlight",
142	.dev = {
143	.parent = &pxa27x_device_pwm0.dev,
144	.platform_data = &pcm990_backlight_data,
145	},
146	};
2e927b76 RS	147
2e927b76 RS	148	/*
c0f7edb3	149	* The PCM-990 development baseboard uses PCM-027's hardware in the
2e927b76 RS	150	* following way:
	151	*
	152	* - LCD support is in use
	153	* - GPIO16 is output for back light on/off with PWM
	154	* - GPIO58 ... GPIO73 are outputs for display data
	155	* - GPIO74 is output output for LCDFCLK
	156	* - GPIO75 is output for LCDLCLK
	157	* - GPIO76 is output for LCDPCLK
	158	* - GPIO77 is output for LCDBIAS
	159	* - MMC support is in use
	160	* - GPIO32 is output for MMCCLK
	161	* - GPIO92 is MMDAT0
	162	* - GPIO109 is MMDAT1
	163	* - GPIO110 is MMCS0
	164	* - GPIO111 is MMCS1
	165	* - GPIO112 is MMCMD
	166	* - IDE/CF card is in use
	167	* - GPIO48 is output /POE
	168	* - GPIO49 is output /PWE
	169	* - GPIO50 is output /PIOR
	170	* - GPIO51 is output /PIOW
	171	* - GPIO54 is output /PCE2
	172	* - GPIO55 is output /PREG
	173	* - GPIO56 is input /PWAIT
	174	* - GPIO57 is output /PIOS16
	175	* - GPIO79 is output PSKTSEL
	176	* - GPIO85 is output /PCE1
	177	* - FFUART is in use
	178	* - GPIO34 is input FFRXD
	179	* - GPIO35 is input FFCTS
	180	* - GPIO36 is input FFDCD
	181	* - GPIO37 is input FFDSR
	182	* - GPIO38 is input FFRI
	183	* - GPIO39 is output FFTXD
	184	* - GPIO40 is output FFDTR
	185	* - GPIO41 is output FFRTS
	186	* - BTUART is in use
	187	* - GPIO42 is input BTRXD
	188	* - GPIO43 is output BTTXD
	189	* - GPIO44 is input BTCTS
	190	* - GPIO45 is output BTRTS
	191	* - IRUART is in use
	192	* - GPIO46 is input STDRXD
	193	* - GPIO47 is output STDTXD
	194	* - AC97 is in use*)
	195	* - GPIO28 is input AC97CLK
	196	* - GPIO29 is input AC97DatIn
	197	* - GPIO30 is output AC97DatO
	198	* - GPIO31 is output AC97SYNC
	199	* - GPIO113 is output AC97_RESET
	200	* - SSP is in use
	201	* - GPIO23 is output SSPSCLK
	202	* - GPIO24 is output chip select to Max7301
	203	* - GPIO25 is output SSPTXD
	204	* - GPIO26 is input SSPRXD
	205	* - GPIO27 is input for Max7301 IRQ
	206	* - GPIO53 is input SSPSYSCLK
	207	* - SSP3 is in use
	208	* - GPIO81 is output SSPTXD3
	209	* - GPIO82 is input SSPRXD3
	210	* - GPIO83 is output SSPSFRM
	211	* - GPIO84 is output SSPCLK3
	212	*
	213	* Otherwise claimed GPIOs:
214	* GPIO1 -> IRQ from user switch
215	* GPIO9 -> IRQ from power management
216	* GPIO10 -> IRQ from WML9712 AC97 controller
217	* GPIO11 -> IRQ from IDE controller
218	* GPIO12 -> IRQ from CF controller
219	* GPIO13 -> IRQ from CF controller
220	* GPIO14 -> GPIO free
221	* GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path)
222	* GPIO19 -> GPIO free
223	* GPIO20 -> /SDCS2
224	* GPIO21 -> /CS3 PC card socket select
225	* GPIO33 -> /CS5 network controller select
226	* GPIO78 -> /CS2 (16 bit wide data path)
227	* GPIO80 -> /CS4 (16 bit wide data path)
228	* GPIO86 -> GPIO free
229	* GPIO87 -> GPIO free
230	* GPIO90 -> LED0 on CPU module
231	* GPIO91 -> LED1 on CPI module
232	* GPIO117 -> SCL
233	* GPIO118 -> SDA
234	*/
235
236	static unsigned long pcm990_irq_enabled;
237
238	static void pcm990_mask_ack_irq(unsigned int irq)
239	{
240	int pcm990_irq = (irq - PCM027_IRQ(0));
241	PCM990_INTMSKENA = (pcm990_irq_enabled &= ~(1 << pcm990_irq));
242	}
243
244	static void pcm990_unmask_irq(unsigned int irq)
245	{
246	int pcm990_irq = (irq - PCM027_IRQ(0));
247	/* the irq can be acknowledged only if deasserted, so it's done here */
248	PCM990_INTSETCLR \|= 1 << pcm990_irq;
249	PCM990_INTMSKENA = (pcm990_irq_enabled \|= (1 << pcm990_irq));
250	}
251
252	static struct irq_chip pcm990_irq_chip = {
253	.mask_ack = pcm990_mask_ack_irq,
254	.unmask = pcm990_unmask_irq,
255	};
256
257	static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
258	{
259	unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
260
261	do {
262	GEDR(PCM990_CTRL_INT_IRQ_GPIO) =
263	GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
264	if (likely(pending)) {
265	irq = PCM027_IRQ(0) + __ffs(pending);
266	desc = irq_desc + irq;
267	desc_handle_irq(irq, desc);
268	}
269	pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
270	} while (pending);
271	}
272
273	static void __init pcm990_init_irq(void)
274	{
275	int irq;
276
277	/* setup extra PCM990 irqs */
278	for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
279	set_irq_chip(irq, &pcm990_irq_chip);
280	set_irq_handler(irq, handle_level_irq);
281	set_irq_flags(irq, IRQF_VALID \| IRQF_PROBE);
282	}
283
284	PCM990_INTMSKENA = 0x00; /* disable all Interrupts */
285	PCM990_INTSETCLR = 0xFF;
286
287	set_irq_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
288	set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
289	}
290
291	static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
292	void *data)
293	{
294	int err;
295
2e927b76 RS	296	err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED,
	297	"MMC card detect", data);
	298	if (err)
	299	printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
	300	"card detect IRQ\n");
	301
	302	return err;
	303	}
	304
	305	static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
	306	{
	307	struct pxamci_platform_data *p_d = dev->platform_data;
	308
	309	if ((1 << vdd) & p_d->ocr_mask)
	310	__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
	311	PCM990_CTRL_MMC2PWR;
	312	else
	313	__PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
	314	~PCM990_CTRL_MMC2PWR;
	315	}
	316
	317	static void pcm990_mci_exit(struct device dev, void data)
	318	{
	319	free_irq(PCM027_MMCDET_IRQ, data);
	320	}
	321
	322	#define MSECS_PER_JIFFY (1000/HZ)
	323
	324	static struct pxamci_platform_data pcm990_mci_platform_data = {
	325	.detect_delay = 250 / MSECS_PER_JIFFY,
	326	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	327	.init = pcm990_mci_init,
	328	.setpower = pcm990_mci_setpower,
	329	.exit = pcm990_mci_exit,
	330	};
	331
	332	/*
	333	* init OHCI hardware to work with
	334	*
	335	* Note: Only USB port 1 (host only) is connected
	336	*
	337	* GPIO88 (USBHPWR#1): overcurrent in, overcurrent when low
	338	* GPIO89 (USBHPEN#1): power-on out, on when low
	339	*/
	340	static int pcm990_ohci_init(struct device *dev)
	341	{
2e927b76 RS	342	/*
	343	* disable USB port 2 and 3
	344	* power sense is active low
	345	*/
	346	UHCHR = ((UHCHR) \| UHCHR_PCPL \| UHCHR_PSPL \| UHCHR_SSEP2 \|
	347	UHCHR_SSEP3) & ~(UHCHR_SSEP1 \| UHCHR_SSE);
	348	/*
	349	* wait 10ms after Power on
	350	* overcurrent per port
	351	* power switch per port
	352	*/
	353	UHCRHDA = (5<<24) \| (1<<11) \| (1<<8); /* FIXME: Required? */
	354
	355	return 0;
	356	}
	357
	358	static struct pxaohci_platform_data pcm990_ohci_platform_data = {
	359	.port_mode = PMM_PERPORT_MODE,
	360	.init = pcm990_ohci_init,
	361	.exit = NULL,
	362	};
	363
58762e77 GL	364	/*
	365	* PXA27x Camera specific stuff
	366	*/
	367	#if defined(CONFIG_VIDEO_PXA27x) \|\| defined(CONFIG_VIDEO_PXA27x_MODULE)
6a566fbb GL	368	static unsigned long pcm990_camera_pin_config[] = {
	369	/* CIF */
	370	GPIO98_CIF_DD_0,
	371	GPIO105_CIF_DD_1,
	372	GPIO104_CIF_DD_2,
	373	GPIO103_CIF_DD_3,
	374	GPIO95_CIF_DD_4,
	375	GPIO94_CIF_DD_5,
	376	GPIO93_CIF_DD_6,
	377	GPIO108_CIF_DD_7,
	378	GPIO107_CIF_DD_8,
	379	GPIO106_CIF_DD_9,
	380	GPIO42_CIF_MCLK,
	381	GPIO45_CIF_PCLK,
	382	GPIO43_CIF_FV,
	383	GPIO44_CIF_LV,
	384	};
	385
58762e77 GL	386	static int pcm990_pxacamera_init(struct device *dev)
58762e77 GL	387	{
6a566fbb	388	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
58762e77 GL	389	return 0;
	390	}
	391
	392	/*
	393	* CICR4: PCLK_EN: Pixel clock is supplied by the sensor
	394	* MCLK_EN: Master clock is generated by PXA
	395	* PCP: Data sampled on the falling edge of pixel clock
	396	*/
	397	struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
	398	.init = pcm990_pxacamera_init,
	399	.flags = PXA_CAMERA_MASTER \| PXA_CAMERA_DATAWIDTH_8 \| PXA_CAMERA_DATAWIDTH_10 \|
	400	PXA_CAMERA_PCLK_EN \| PXA_CAMERA_MCLK_EN/* \| PXA_CAMERA_PCP*/,
	401	.mclk_10khz = 1000,
	402	};
	403
	404	#include <linux/i2c/pca953x.h>
	405
	406	static struct pca953x_platform_data pca9536_data = {
	407	.gpio_base = NR_BUILTIN_GPIO + 1,
	408	};
	409
	410	static struct soc_camera_link iclink[] = {
	411	{
	412	.bus_id = 0, /* Must match with the camera ID above */
	413	.gpio = NR_BUILTIN_GPIO + 1,
	414	}, {
	415	.bus_id = 0, /* Must match with the camera ID above */
	416	}
	417	};
	418
	419	/* Board I2C devices. */
	420	static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
	421	{
	422	/* Must initialize before the camera(s) */
3760f736	423	I2C_BOARD_INFO("pca9536", 0x41),
58762e77 GL	424	.platform_data = &pca9536_data,
	425	}, {
	426	I2C_BOARD_INFO("mt9v022", 0x48),
58762e77 GL	427	.platform_data = &iclink[0], /* With extender */
	428	}, {
	429	I2C_BOARD_INFO("mt9m001", 0x5d),
58762e77 GL	430	.platform_data = &iclink[0], /* With extender */
	431	},
	432	};
	433	#endif /* CONFIG_VIDEO_PXA27x \|\|CONFIG_VIDEO_PXA27x_MODULE */
	434
2e927b76 RS	435	/*
	436	* enable generic access to the base board control CPLDs U6 and U7
	437	*/
	438	static struct map_desc pcm990_io_desc[] __initdata = {
	439	{
	440	.virtual = PCM990_CTRL_BASE,
	441	.pfn = __phys_to_pfn(PCM990_CTRL_PHYS),
	442	.length = PCM990_CTRL_SIZE,
	443	.type = MT_DEVICE /* CPLD */
	444	}, {
	445	.virtual = PCM990_CF_PLD_BASE,
	446	.pfn = __phys_to_pfn(PCM990_CF_PLD_PHYS),
	447	.length = PCM990_CF_PLD_SIZE,
	448	.type = MT_DEVICE /* CPLD */
	449	}
	450	};
	451
	452	/*
	453	* system init for baseboard usage. Will be called by pcm027 init.
	454	*
	455	* Add platform devices present on this baseboard and init
	456	* them from CPU side as far as required to use them later on
	457	*/
	458	void __init pcm990_baseboard_init(void)
	459	{
6a566fbb GL	460	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_pin_config));
6a566fbb GL	461
2e927b76	462	/* register CPLD access */
6a566fbb	463	iotable_init(ARRAY_AND_SIZE(pcm990_io_desc));
2e927b76 RS	464
	465	/* register CPLD's IRQ controller */
	466	pcm990_init_irq();
	467
c0f7edb3 GL	468	#ifndef CONFIG_PCM990_DISPLAY_NONE
	469	set_pxa_fb_info(&pcm990_fbinfo);
	470	#endif
c0f7edb3 GL	471	platform_device_register(&pcm990_backlight_device);
c0f7edb3 GL	472
2e927b76 RS	473	/* MMC */
	474	pxa_set_mci_info(&pcm990_mci_platform_data);
	475
	476	/* USB host */
	477	pxa_set_ohci_info(&pcm990_ohci_platform_data);
	478
58762e77	479	pxa_set_i2c_info(NULL);
9f19d638	480	pxa_set_ac97_info(NULL);
58762e77 GL	481
	482	#if defined(CONFIG_VIDEO_PXA27x) \|\| defined(CONFIG_VIDEO_PXA27x_MODULE)
	483	pxa_set_camera_info(&pcm990_pxacamera_platform_data);
	484
6a566fbb	485	i2c_register_board_info(0, ARRAY_AND_SIZE(pcm990_i2c_devices));
58762e77 GL	486	#endif
58762e77 GL	487
6a566fbb	488	printk(KERN_INFO "PCM-990 Evaluation baseboard initialized\n");
2e927b76	489	}