[net-next-2.6.git] / arch / arm / mach-pxa / balloon3.c

/*
 *  linux/arch/arm/mach-pxa/balloon3.c
 *
 *  Support for Balloonboard.org Balloon3 board.
 *
 *  Author:	Nick Bane, Wookey, Jonathan McDowell
 *  Created:	June, 2006
 *  Copyright:	Toby Churchill Ltd
 *  Derived from mainstone.c, by Nico Pitre
 *
 *  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/init.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/ioport.h>
#include <linux/ucb1400.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/types.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/sizes.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>

#include <mach/pxa27x.h>
#include <mach/balloon3.h>
#include <mach/audio.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/udc.h>
#include <mach/pxa27x-udc.h>
#include <mach/irda.h>
#include <mach/ohci.h>

#include <plat/i2c.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long balloon3_pin_config[] __initdata = {
	/* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	/* Reset, configured as GPIO wakeup source */
	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,

	/* LEDs */
	GPIO9_GPIO,	/* NAND activity LED */
	GPIO10_GPIO,	/* Heartbeat LED */

	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO113_AC97_nRESET,
	GPIO95_GPIO,

	/* MMC */
	GPIO32_MMC_CLK,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO112_MMC_CMD,

	/* USB Host */
	GPIO88_USBH1_PWR,
	GPIO89_USBH1_PEN,

	/* PC Card */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO79_PSKTSEL,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
};

/******************************************************************************
 * Compatibility: Parameter parsing
 ******************************************************************************/
static unsigned long balloon3_irq_enabled;

static unsigned long balloon3_features_present =
		(1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
		(1 << BALLOON3_FEATURE_AUDIO) |
		(1 << BALLOON3_FEATURE_TOPPOLY);

int balloon3_has(enum balloon3_features feature)
{
	return (balloon3_features_present & (1 << feature)) ? 1 : 0;
}
EXPORT_SYMBOL_GPL(balloon3_has);

int __init parse_balloon3_features(char *arg)
{
	if (!arg)
		return 0;

	return strict_strtoul(arg, 0, &balloon3_features_present);
}
early_param("balloon3_features", parse_balloon3_features);

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition balloon3_nor_partitions[] = {
	{
		.name		= "Flash",
		.offset		= 0x00000000,
		.size		= MTDPART_SIZ_FULL,
	}
};

static struct physmap_flash_data balloon3_flash_data[] = {
	{
		.width		= 2,	/* bankwidth in bytes */
		.parts		= balloon3_nor_partitions,
		.nr_parts	= ARRAY_SIZE(balloon3_nor_partitions)
	}
};

static struct resource balloon3_flash_resource = {
	.start	= PXA_CS0_PHYS,
	.end	= PXA_CS0_PHYS + SZ_64M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device balloon3_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.resource	= &balloon3_flash_resource,
	.num_resources	= 1,
	.dev 		= {
		.platform_data = balloon3_flash_data,
	},
};
static void __init balloon3_nor_init(void)
{
	platform_device_register(&balloon3_flash);
}
#else
static inline void balloon3_nor_init(void) {}
#endif

/******************************************************************************
 * Audio and Touchscreen
 ******************************************************************************/
#if	defined(CONFIG_TOUCHSCREEN_UCB1400) || \
	defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
static struct ucb1400_pdata vpac270_ucb1400_pdata = {
	.irq		= IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ),
};


static struct platform_device balloon3_ucb1400_device = {
	.name		= "ucb1400_core",
	.id		= -1,
	.dev		= {
		.platform_data = &vpac270_ucb1400_pdata,
	},
};

static void __init balloon3_ts_init(void)
{
	if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
		return;

	pxa_set_ac97_info(NULL);
	platform_device_register(&balloon3_ucb1400_device);
}
#else
static inline void balloon3_ts_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info balloon3_lcd_modes[] = {
	{
		.pixclock		= 38000,
		.xres			= 480,
		.yres			= 640,
		.bpp			= 16,
		.hsync_len		= 8,
		.left_margin		= 8,
		.right_margin		= 8,
		.vsync_len		= 2,
		.upper_margin		= 4,
		.lower_margin		= 5,
		.sync			= 0,
	},
};

static struct pxafb_mach_info balloon3_lcd_screen = {
	.modes			= balloon3_lcd_modes,
	.num_modes		= ARRAY_SIZE(balloon3_lcd_modes),
	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};

static void balloon3_backlight_power(int on)
{
	gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
}

static void __init balloon3_lcd_init(void)
{
	int ret;

	if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
		return;

	ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
	if (ret) {
		pr_err("Requesting BKL-ON GPIO failed!\n");
		goto err;
	}

	ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
	if (ret) {
		pr_err("Setting BKL-ON GPIO direction failed!\n");
		goto err2;
	}

	balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
	set_pxa_fb_info(&balloon3_lcd_screen);
	return;

err2:
	gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT);
err:
	return;
}
#else
static inline void balloon3_lcd_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data balloon3_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
	.detect_delay_ms	= 200,
};

static void __init balloon3_mmc_init(void)
{
	pxa_set_mci_info(&balloon3_mci_platform_data);
}
#else
static inline void balloon3_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Gadget
 ******************************************************************************/
#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
static void balloon3_udc_command(int cmd)
{
	if (cmd == PXA2XX_UDC_CMD_CONNECT)
		UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
	else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
		UP2OCR &= ~UP2OCR_DPPUE;
}

static int balloon3_udc_is_connected(void)
{
	return 1;
}

static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
	.udc_command		= balloon3_udc_command,
	.udc_is_connected	= balloon3_udc_is_connected,
	.gpio_pullup		= -1,
};

static void __init balloon3_udc_init(void)
{
	pxa_set_udc_info(&balloon3_udc_info);
	platform_device_register(&balloon3_gpio_vbus);
}
#else
static inline void balloon3_udc_init(void) {}
#endif

/******************************************************************************
 * IrDA
 ******************************************************************************/
#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
static struct pxaficp_platform_data balloon3_ficp_platform_data = {
	.transceiver_cap	= IR_FIRMODE | IR_SIRMODE | IR_OFF,
};

static void __init balloon3_irda_init(void)
{
	pxa_set_ficp_info(&balloon3_ficp_platform_data);
}
#else
static inline void balloon3_irda_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct pxaohci_platform_data balloon3_ohci_info = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};

static void __init balloon3_uhc_init(void)
{
	if (!balloon3_has(BALLOON3_FEATURE_OHCI))
		return;
	pxa_set_ohci_info(&balloon3_ohci_info);
}
#else
static inline void balloon3_uhc_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led balloon3_gpio_leds[] = {
	{
		.name			= "balloon3:green:idle",
		.default_trigger	= "heartbeat",
		.gpio			= BALLOON3_GPIO_LED_IDLE,
		.active_low		= 1,
	}, {
		.name			= "balloon3:green:nand",
		.default_trigger	= "nand-disk",
		.gpio			= BALLOON3_GPIO_LED_NAND,
		.active_low		= 1,
	},
};

static struct gpio_led_platform_data balloon3_gpio_led_info = {
	.leds		= balloon3_gpio_leds,
	.num_leds	= ARRAY_SIZE(balloon3_gpio_leds),
};

static struct platform_device balloon3_leds = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &balloon3_gpio_led_info,
	}
};

static void __init balloon3_leds_init(void)
{
	platform_device_register(&balloon3_leds);
}
#else
static inline void balloon3_leds_init(void) {}
#endif

/******************************************************************************
 * FPGA IRQ
 ******************************************************************************/
static void balloon3_mask_irq(unsigned int irq)
{
	int balloon3_irq = (irq - BALLOON3_IRQ(0));
	balloon3_irq_enabled &= ~(1 << balloon3_irq);
	__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
}

static void balloon3_unmask_irq(unsigned int irq)
{
	int balloon3_irq = (irq - BALLOON3_IRQ(0));
	balloon3_irq_enabled |= (1 << balloon3_irq);
	__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
}

static struct irq_chip balloon3_irq_chip = {
	.name		= "FPGA",
	.ack		= balloon3_mask_irq,
	.mask		= balloon3_mask_irq,
	.unmask		= balloon3_unmask_irq,
};

static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
{
	unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
					balloon3_irq_enabled;
	do {
		/* clear useless edge notification */
		if (desc->chip->ack)
			desc->chip->ack(BALLOON3_AUX_NIRQ);
		while (pending) {
			irq = BALLOON3_IRQ(0) + __ffs(pending);
			generic_handle_irq(irq);
			pending &= pending - 1;
		}
		pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
				balloon3_irq_enabled;
	} while (pending);
}

static void __init balloon3_init_irq(void)
{
	int irq;

	pxa27x_init_irq();
	/* setup extra Balloon3 irqs */
	for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
		set_irq_chip(irq, &balloon3_irq_chip);
		set_irq_handler(irq, handle_level_irq);
		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
	}

	set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
	set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);

	pr_debug("%s: chained handler installed - irq %d automatically "
		"enabled\n", __func__, BALLOON3_AUX_NIRQ);
}

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init balloon3_init(void)
{
	ARB_CNTRL = ARB_CORE_PARK | 0x234;

	pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));

	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	pxa_set_i2c_info(NULL);

	balloon3_irda_init();
	balloon3_lcd_init();
	balloon3_leds_init();
	balloon3_mmc_init();
	balloon3_nor_init();
	balloon3_ts_init();
	balloon3_udc_init();
	balloon3_uhc_init();
}

static struct map_desc balloon3_io_desc[] __initdata = {
	{	/* CPLD/FPGA */
		.virtual	=  BALLOON3_FPGA_VIRT,
		.pfn		= __phys_to_pfn(BALLOON3_FPGA_PHYS),
		.length		= BALLOON3_FPGA_LENGTH,
		.type		= MT_DEVICE,
	},
};

static void __init balloon3_map_io(void)
{
	pxa_map_io();
	iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
}

MACHINE_START(BALLOON3, "Balloon3")
	/* Maintainer: Nick Bane. */
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.map_io		= balloon3_map_io,
	.init_irq	= balloon3_init_irq,
	.timer		= &pxa_timer,
	.init_machine	= balloon3_init,
	.boot_params	= PHYS_OFFSET + 0x100,
MACHINE_END
Commit	Line	Data
2a23ec36 JM	1	/*
	2	* linux/arch/arm/mach-pxa/balloon3.c
	3	*
	4	* Support for Balloonboard.org Balloon3 board.
	5	*
	6	* Author: Nick Bane, Wookey, Jonathan McDowell
	7	* Created: June, 2006
	8	* Copyright: Toby Churchill Ltd
	9	* Derived from mainstone.c, by Nico Pitre
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
	15
	16	#include <linux/init.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/sysdev.h>
	19	#include <linux/interrupt.h>
	20	#include <linux/sched.h>
	21	#include <linux/bitops.h>
	22	#include <linux/fb.h>
	23	#include <linux/gpio.h>
	24	#include <linux/ioport.h>
12a2449c	25	#include <linux/ucb1400.h>
2a23ec36 JM	26	#include <linux/mtd/mtd.h>
	27	#include <linux/mtd/partitions.h>
	28	#include <linux/types.h>
	29
	30	#include <asm/setup.h>
	31	#include <asm/mach-types.h>
	32	#include <asm/irq.h>
	33	#include <asm/sizes.h>
	34
	35	#include <asm/mach/arch.h>
	36	#include <asm/mach/map.h>
	37	#include <asm/mach/irq.h>
	38	#include <asm/mach/flash.h>
	39
	40	#include <mach/pxa27x.h>
	41	#include <mach/balloon3.h>
	42	#include <mach/audio.h>
	43	#include <mach/pxafb.h>
	44	#include <mach/mmc.h>
	45	#include <mach/udc.h>
	46	#include <mach/pxa27x-udc.h>
	47	#include <mach/irda.h>
	48	#include <mach/ohci.h>
	49
	50	#include <plat/i2c.h>
	51
	52	#include "generic.h"
	53	#include "devices.h"
	54
b0240bf4 MV	55	/******************************************************************************
	56	* Pin configuration
	57	******************************************************************************/
	58	static unsigned long balloon3_pin_config[] __initdata = {
	59	/* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
	60	GPIO42_BTUART_RXD,
	61	GPIO43_BTUART_TXD,
	62	GPIO44_BTUART_CTS,
	63	GPIO45_BTUART_RTS,
2a23ec36	64
12a2449c	65	/* Reset, configured as GPIO wakeup source */
b0240bf4	66	GPIO1_GPIO \| WAKEUP_ON_EDGE_BOTH,
2a23ec36	67
12a2449c MV	68	/* LEDs */
	69	GPIO9_GPIO, /* NAND activity LED */
	70	GPIO10_GPIO, /* Heartbeat LED */
2a23ec36	71
12a2449c	72	/* AC97 */
c11b6a42 EM	73	GPIO28_AC97_BITCLK,
	74	GPIO29_AC97_SDATA_IN_0,
	75	GPIO30_AC97_SDATA_OUT,
	76	GPIO31_AC97_SYNC,
	77	GPIO113_AC97_nRESET,
12a2449c MV	78	GPIO95_GPIO,
	79
	80	/* MMC */
	81	GPIO32_MMC_CLK,
	82	GPIO92_MMC_DAT_0,
	83	GPIO109_MMC_DAT_1,
	84	GPIO110_MMC_DAT_2,
	85	GPIO111_MMC_DAT_3,
	86	GPIO112_MMC_CMD,
	87
	88	/* USB Host */
	89	GPIO88_USBH1_PWR,
	90	GPIO89_USBH1_PEN,
a9c0629c MV	91
	92	/* PC Card */
	93	GPIO48_nPOE,
	94	GPIO49_nPWE,
	95	GPIO50_nPIOR,
	96	GPIO51_nPIOW,
	97	GPIO85_nPCE_1,
	98	GPIO54_nPCE_2,
	99	GPIO79_PSKTSEL,
	100	GPIO55_nPREG,
	101	GPIO56_nPWAIT,
	102	GPIO57_nIOIS16,
c11b6a42 EM	103	};
c11b6a42 EM	104
b0240bf4	105	/******************************************************************************
12a2449c	106	* Compatibility: Parameter parsing
b0240bf4	107	******************************************************************************/
12a2449c	108	static unsigned long balloon3_irq_enabled;
b0240bf4	109
12a2449c MV	110	static unsigned long balloon3_features_present =
	111	(1 << BALLOON3_FEATURE_OHCI) \| (1 << BALLOON3_FEATURE_CF) \|
	112	(1 << BALLOON3_FEATURE_AUDIO) \|
	113	(1 << BALLOON3_FEATURE_TOPPOLY);
	114
	115	int balloon3_has(enum balloon3_features feature)
2a23ec36	116	{
12a2449c MV	117	return (balloon3_features_present & (1 << feature)) ? 1 : 0;
	118	}
	119	EXPORT_SYMBOL_GPL(balloon3_has);
	120
	121	int __init parse_balloon3_features(char *arg)
	122	{
	123	if (!arg)
	124	return 0;
	125
	126	return strict_strtoul(arg, 0, &balloon3_features_present);
2a23ec36	127	}
12a2449c	128	early_param("balloon3_features", parse_balloon3_features);
2a23ec36	129
12a2449c MV	130	/******************************************************************************
	131	* NOR Flash
	132	******************************************************************************/
	133	#if defined(CONFIG_MTD_PHYSMAP) \|\| defined(CONFIG_MTD_PHYSMAP_MODULE)
	134	static struct mtd_partition balloon3_nor_partitions[] = {
	135	{
	136	.name = "Flash",
	137	.offset = 0x00000000,
	138	.size = MTDPART_SIZ_FULL,
	139	}
	140	};
	141
	142	static struct physmap_flash_data balloon3_flash_data[] = {
	143	{
	144	.width = 2, /* bankwidth in bytes */
	145	.parts = balloon3_nor_partitions,
	146	.nr_parts = ARRAY_SIZE(balloon3_nor_partitions)
	147	}
	148	};
	149
	150	static struct resource balloon3_flash_resource = {
	151	.start = PXA_CS0_PHYS,
	152	.end = PXA_CS0_PHYS + SZ_64M - 1,
	153	.flags = IORESOURCE_MEM,
	154	};
	155
	156	static struct platform_device balloon3_flash = {
	157	.name = "physmap-flash",
	158	.id = 0,
	159	.resource = &balloon3_flash_resource,
	160	.num_resources = 1,
	161	.dev = {
	162	.platform_data = balloon3_flash_data,
	163	},
	164	};
	165	static void __init balloon3_nor_init(void)
	166	{
	167	platform_device_register(&balloon3_flash);
	168	}
	169	#else
	170	static inline void balloon3_nor_init(void) {}
	171	#endif
	172
	173	/******************************************************************************
	174	* Audio and Touchscreen
	175	******************************************************************************/
	176	#if defined(CONFIG_TOUCHSCREEN_UCB1400) \|\| \
	177	defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
	178	static struct ucb1400_pdata vpac270_ucb1400_pdata = {
	179	.irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ),
	180	};
	181
	182
	183	static struct platform_device balloon3_ucb1400_device = {
	184	.name = "ucb1400_core",
	185	.id = -1,
	186	.dev = {
	187	.platform_data = &vpac270_ucb1400_pdata,
	188	},
	189	};
	190
	191	static void __init balloon3_ts_init(void)
	192	{
	193	if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
194	return;
195
196	pxa_set_ac97_info(NULL);
197	platform_device_register(&balloon3_ucb1400_device);
198	}
199	#else
200	static inline void balloon3_ts_init(void) {}
201	#endif
202
203	/******************************************************************************
204	* Framebuffer
205	******************************************************************************/
206	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
2a23ec36 JM	207	static struct pxafb_mode_info balloon3_lcd_modes[] = {
	208	{
	209	.pixclock = 38000,
	210	.xres = 480,
	211	.yres = 640,
	212	.bpp = 16,
	213	.hsync_len = 8,
	214	.left_margin = 8,
	215	.right_margin = 8,
	216	.vsync_len = 2,
	217	.upper_margin = 4,
	218	.lower_margin = 5,
	219	.sync = 0,
	220	},
	221	};
	222
12a2449c	223	static struct pxafb_mach_info balloon3_lcd_screen = {
2a23ec36 JM	224	.modes = balloon3_lcd_modes,
	225	.num_modes = ARRAY_SIZE(balloon3_lcd_modes),
	226	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_PCLK_EDGE_FALL,
2a23ec36 JM	227	};
2a23ec36 JM	228
12a2449c MV	229	static void balloon3_backlight_power(int on)
	230	{
	231	gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
	232	}
2a23ec36	233
12a2449c	234	static void __init balloon3_lcd_init(void)
2a23ec36	235	{
12a2449c MV	236	int ret;
	237
	238	if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
	239	return;
	240
	241	ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
	242	if (ret) {
	243	pr_err("Requesting BKL-ON GPIO failed!\n");
	244	goto err;
	245	}
	246
	247	ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
	248	if (ret) {
	249	pr_err("Setting BKL-ON GPIO direction failed!\n");
	250	goto err2;
2a23ec36	251	}
12a2449c MV	252
	253	balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
	254	set_pxa_fb_info(&balloon3_lcd_screen);
	255	return;
	256
	257	err2:
	258	gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT);
	259	err:
	260	return;
2a23ec36	261	}
12a2449c MV	262	#else
	263	static inline void balloon3_lcd_init(void) {}
	264	#endif
2a23ec36	265
12a2449c MV	266	/******************************************************************************
	267	* SD/MMC card controller
	268	******************************************************************************/
	269	#if defined(CONFIG_MMC_PXA) \|\| defined(CONFIG_MMC_PXA_MODULE)
2a23ec36	270	static struct pxamci_platform_data balloon3_mci_platform_data = {
12a2449c MV	271	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	272	.gpio_card_detect = -1,
	273	.gpio_card_ro = -1,
	274	.gpio_power = -1,
	275	.detect_delay_ms = 200,
2a23ec36 JM	276	};
2a23ec36 JM	277
12a2449c MV	278	static void __init balloon3_mmc_init(void)
	279	{
	280	pxa_set_mci_info(&balloon3_mci_platform_data);
	281	}
	282	#else
	283	static inline void balloon3_mmc_init(void) {}
	284	#endif
	285
b0240bf4 MV	286	/******************************************************************************
	287	* USB Gadget
	288	******************************************************************************/
12a2449c MV	289	#if defined(CONFIG_USB_GADGET_PXA27X)\|\|defined(CONFIG_USB_GADGET_PXA27X_MODULE)
12a2449c MV	290	static void balloon3_udc_command(int cmd)
2a23ec36	291	{
12a2449c MV	292	if (cmd == PXA2XX_UDC_CMD_CONNECT)
	293	UP2OCR \|= UP2OCR_DPPUE \| UP2OCR_DPPUBE;
	294	else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
	295	UP2OCR &= ~UP2OCR_DPPUE;
2a23ec36 JM	296	}
2a23ec36 JM	297
12a2449c	298	static int balloon3_udc_is_connected(void)
2a23ec36	299	{
12a2449c	300	return 1;
2a23ec36 JM	301	}
2a23ec36 JM	302
12a2449c MV	303	static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
	304	.udc_command = balloon3_udc_command,
	305	.udc_is_connected = balloon3_udc_is_connected,
	306	.gpio_pullup = -1,
2a23ec36 JM	307	};
2a23ec36 JM	308
12a2449c MV	309	static void __init balloon3_udc_init(void)
	310	{
	311	pxa_set_udc_info(&balloon3_udc_info);
	312	platform_device_register(&balloon3_gpio_vbus);
	313	}
	314	#else
	315	static inline void balloon3_udc_init(void) {}
	316	#endif
	317
b0240bf4 MV	318	/******************************************************************************
	319	* IrDA
	320	******************************************************************************/
12a2449c	321	#if defined(CONFIG_IRDA) \|\| defined(CONFIG_IRDA_MODULE)
2a23ec36	322	static struct pxaficp_platform_data balloon3_ficp_platform_data = {
12a2449c	323	.transceiver_cap = IR_FIRMODE \| IR_SIRMODE \| IR_OFF,
2a23ec36 JM	324	};
2a23ec36 JM	325
12a2449c MV	326	static void __init balloon3_irda_init(void)
	327	{
	328	pxa_set_ficp_info(&balloon3_ficp_platform_data);
	329	}
	330	#else
	331	static inline void balloon3_irda_init(void) {}
	332	#endif
	333
b0240bf4 MV	334	/******************************************************************************
	335	* USB Host
	336	******************************************************************************/
12a2449c MV	337	#if defined(CONFIG_USB_OHCI_HCD) \|\| defined(CONFIG_USB_OHCI_HCD_MODULE)
12a2449c MV	338	static struct pxaohci_platform_data balloon3_ohci_info = {
2a23ec36 JM	339	.port_mode = PMM_PERPORT_MODE,
	340	.flags = ENABLE_PORT_ALL \| POWER_CONTROL_LOW \| POWER_SENSE_LOW,
	341	};
	342
12a2449c MV	343	static void __init balloon3_uhc_init(void)
	344	{
	345	if (!balloon3_has(BALLOON3_FEATURE_OHCI))
	346	return;
	347	pxa_set_ohci_info(&balloon3_ohci_info);
	348	}
	349	#else
	350	static inline void balloon3_uhc_init(void) {}
	351	#endif
	352
b0240bf4	353	/******************************************************************************
12a2449c	354	* LEDs
b0240bf4	355	******************************************************************************/
12a2449c MV	356	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
12a2449c MV	357	struct gpio_led balloon3_gpio_leds[] = {
2a23ec36 JM	358	{
	359	.name = "balloon3:green:idle",
	360	.default_trigger = "heartbeat",
	361	.gpio = BALLOON3_GPIO_LED_IDLE,
	362	.active_low = 1,
12a2449c	363	}, {
2a23ec36 JM	364	.name = "balloon3:green:nand",
	365	.default_trigger = "nand-disk",
	366	.gpio = BALLOON3_GPIO_LED_NAND,
	367	.active_low = 1,
	368	},
	369	};
	370
12a2449c	371	static struct gpio_led_platform_data balloon3_gpio_led_info = {
2a23ec36 JM	372	.leds = balloon3_gpio_leds,
	373	.num_leds = ARRAY_SIZE(balloon3_gpio_leds),
	374	};
	375
12a2449c	376	static struct platform_device balloon3_leds = {
2a23ec36 JM	377	.name = "leds-gpio",
	378	.id = -1,
	379	.dev = {
12a2449c MV	380	.platform_data = &balloon3_gpio_led_info,
12a2449c MV	381	}
2a23ec36 JM	382	};
2a23ec36 JM	383
12a2449c	384	static void __init balloon3_leds_init(void)
b0240bf4	385	{
12a2449c	386	platform_device_register(&balloon3_leds);
b0240bf4	387	}
12a2449c MV	388	#else
	389	static inline void balloon3_leds_init(void) {}
	390	#endif
b0240bf4 MV	391
	392	/******************************************************************************
	393	* FPGA IRQ
	394	******************************************************************************/
	395	static void balloon3_mask_irq(unsigned int irq)
	396	{
	397	int balloon3_irq = (irq - BALLOON3_IRQ(0));
	398	balloon3_irq_enabled &= ~(1 << balloon3_irq);
	399	__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
	400	}
	401
	402	static void balloon3_unmask_irq(unsigned int irq)
	403	{
	404	int balloon3_irq = (irq - BALLOON3_IRQ(0));
	405	balloon3_irq_enabled \|= (1 << balloon3_irq);
	406	__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
	407	}
	408
	409	static struct irq_chip balloon3_irq_chip = {
	410	.name = "FPGA",
	411	.ack = balloon3_mask_irq,
	412	.mask = balloon3_mask_irq,
	413	.unmask = balloon3_unmask_irq,
	414	};
	415
	416	static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
	417	{
	418	unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
	419	balloon3_irq_enabled;
b0240bf4 MV	420	do {
	421	/* clear useless edge notification */
	422	if (desc->chip->ack)
	423	desc->chip->ack(BALLOON3_AUX_NIRQ);
	424	while (pending) {
	425	irq = BALLOON3_IRQ(0) + __ffs(pending);
	426	generic_handle_irq(irq);
	427	pending &= pending - 1;
	428	}
	429	pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
	430	balloon3_irq_enabled;
	431	} while (pending);
	432	}
	433
	434	static void __init balloon3_init_irq(void)
	435	{
	436	int irq;
	437
	438	pxa27x_init_irq();
	439	/* setup extra Balloon3 irqs */
	440	for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
	441	set_irq_chip(irq, &balloon3_irq_chip);
	442	set_irq_handler(irq, handle_level_irq);
	443	set_irq_flags(irq, IRQF_VALID \| IRQF_PROBE);
	444	}
	445
	446	set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
	447	set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
	448
	449	pr_debug("%s: chained handler installed - irq %d automatically "
	450	"enabled\n", __func__, BALLOON3_AUX_NIRQ);
	451	}
	452
	453	/******************************************************************************
	454	* Machine init
	455	******************************************************************************/
2a23ec36 JM	456	static void __init balloon3_init(void)
2a23ec36 JM	457	{
2a23ec36 JM	458	ARB_CNTRL = ARB_CORE_PARK \| 0x234;
2a23ec36 JM	459
12a2449c MV	460	pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
12a2449c MV	461
cc155c6f RK	462	pxa_set_ffuart_info(NULL);
	463	pxa_set_btuart_info(NULL);
	464	pxa_set_stuart_info(NULL);
	465
2a23ec36	466	pxa_set_i2c_info(NULL);
2a23ec36	467
12a2449c MV	468	balloon3_irda_init();
	469	balloon3_lcd_init();
	470	balloon3_leds_init();
	471	balloon3_mmc_init();
	472	balloon3_nor_init();
	473	balloon3_ts_init();
	474	balloon3_udc_init();
	475	balloon3_uhc_init();
2a23ec36 JM	476	}
	477
	478	static struct map_desc balloon3_io_desc[] __initdata = {
	479	{ /* CPLD/FPGA */
	480	.virtual = BALLOON3_FPGA_VIRT,
	481	.pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS),
	482	.length = BALLOON3_FPGA_LENGTH,
	483	.type = MT_DEVICE,
	484	},
	485	};
	486
	487	static void __init balloon3_map_io(void)
	488	{
	489	pxa_map_io();
	490	iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
	491	}
	492
	493	MACHINE_START(BALLOON3, "Balloon3")
	494	/* Maintainer: Nick Bane. */
	495	.phys_io = 0x40000000,
	496	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
	497	.map_io = balloon3_map_io,
	498	.init_irq = balloon3_init_irq,
	499	.timer = &pxa_timer,
	500	.init_machine = balloon3_init,
	501	.boot_params = PHYS_OFFSET + 0x100,
	502	MACHINE_END