[linux-2.6-block.git] / arch / arm / mach-pxa / lubbock.c

/*
 *  linux/arch/arm/mach-pxa/lubbock.c
 *
 *  Support for the Intel DBPXA250 Development Platform.
 *
 *  Author:	Nicolas Pitre
 *  Created:	Jun 15, 2001
 *  Copyright:	MontaVista Software Inc.
 *
 *  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/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/major.h>
#include <linux/fb.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/smc91x.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <mach/pxa2xx_spi.h>

#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <mach/hardware.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 <asm/hardware/sa1111.h>

#include <mach/pxa25x.h>
#include <mach/gpio.h>
#include <mach/audio.h>
#include <mach/lubbock.h>
#include <mach/udc.h>
#include <mach/irda.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/pm.h>

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

static unsigned long lubbock_pin_config[] __initdata = {
	GPIO15_nCS_1,	/* CS1 - Flash */
	GPIO78_nCS_2,	/* CS2 - Baseboard FGPA */
	GPIO79_nCS_3,	/* CS3 - SMC ethernet */
	GPIO80_nCS_4,	/* CS4 - SA1111 */

	/* SSP data pins */
	GPIO23_SSP1_SCLK,
	GPIO25_SSP1_TXD,
	GPIO26_SSP1_RXD,

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

	/* LCD - 16bpp DSTN */
	GPIOxx_LCD_DSTN_16BPP,

	/* BTUART */
	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	/* PC Card */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO52_nPCE_1,
	GPIO53_nPCE_2,
	GPIO54_nPSKTSEL,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,

	/* MMC */
	GPIO6_MMC_CLK,
	GPIO8_MMC_CS0,

	/* wakeup */
	GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
};

#define LUB_HEXLED		__LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
#define LUB_MISC_WR		__LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)

void lubbock_set_hexled(uint32_t value)
{
	LUB_HEXLED = value;
}

void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
{
	unsigned long flags;

	local_irq_save(flags);
	LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask);
	local_irq_restore(flags);
}
EXPORT_SYMBOL(lubbock_set_misc_wr);

static unsigned long lubbock_irq_enabled;

static void lubbock_mask_irq(unsigned int irq)
{
	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
}

static void lubbock_unmask_irq(unsigned int irq)
{
	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	/* the irq can be acknowledged only if deasserted, so it's done here */
	LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
	LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
}

static struct irq_chip lubbock_irq_chip = {
	.name		= "FPGA",
	.ack		= lubbock_mask_irq,
	.mask		= lubbock_mask_irq,
	.unmask		= lubbock_unmask_irq,
};

static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
{
	unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	do {
		desc->chip->ack(irq);	/* clear our parent irq */
		if (likely(pending)) {
			irq = LUBBOCK_IRQ(0) + __ffs(pending);
			generic_handle_irq(irq);
		}
		pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	} while (pending);
}

static void __init lubbock_init_irq(void)
{
	int irq;

	pxa25x_init_irq();

	/* setup extra lubbock irqs */
	for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
		set_irq_chip(irq, &lubbock_irq_chip);
		set_irq_handler(irq, handle_level_irq);
		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
	}

	set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
	set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
}

#ifdef CONFIG_PM

static int lubbock_irq_resume(struct sys_device *dev)
{
	LUB_IRQ_MASK_EN = lubbock_irq_enabled;
	return 0;
}

static struct sysdev_class lubbock_irq_sysclass = {
	.name = "cpld_irq",
	.resume = lubbock_irq_resume,
};

static struct sys_device lubbock_irq_device = {
	.cls = &lubbock_irq_sysclass,
};

static int __init lubbock_irq_device_init(void)
{
	int ret = -ENODEV;

	if (machine_is_lubbock()) {
		ret = sysdev_class_register(&lubbock_irq_sysclass);
		if (ret == 0)
			ret = sysdev_register(&lubbock_irq_device);
	}
	return ret;
}

device_initcall(lubbock_irq_device_init);

#endif

static int lubbock_udc_is_connected(void)
{
	return (LUB_MISC_RD & (1 << 9)) == 0;
}

static struct pxa2xx_udc_mach_info udc_info __initdata = {
	.udc_is_connected	= lubbock_udc_is_connected,
	// no D+ pullup; lubbock can't connect/disconnect in software
};

static struct resource sa1111_resources[] = {
	[0] = {
		.start	= 0x10000000,
		.end	= 0x10001fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= LUBBOCK_SA1111_IRQ,
		.end	= LUBBOCK_SA1111_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct sa1111_platform_data sa1111_info = {
	.irq_base	= IRQ_BOARD_END,
};

static struct platform_device sa1111_device = {
	.name		= "sa1111",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(sa1111_resources),
	.resource	= sa1111_resources,
	.dev		= {
		.platform_data	= &sa1111_info,
	},
};

/* ADS7846 is connected through SSP ... and if your board has J5 populated,
 * you can select it to replace the ucb1400 by switching the touchscreen cable
 * (to J5) and poking board registers (as done below).  Else it's only useful
 * for the temperature sensors.
 */
static struct pxa2xx_spi_master pxa_ssp_master_info = {
	.num_chipselect	= 1,
};

static int lubbock_ads7846_pendown_state(void)
{
	/* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
	return 0;
}

static struct ads7846_platform_data ads_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,		/* internal, no cap */
	.get_pendown_state	= lubbock_ads7846_pendown_state,
	// .x_plate_ohms		= 500,	/* GUESS! */
	// .y_plate_ohms		= 500,	/* GUESS! */
};

static void ads7846_cs(u32 command)
{
	static const unsigned	TS_nCS = 1 << 11;
	lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
}

static struct pxa2xx_spi_chip ads_hw = {
	.tx_threshold		= 1,
	.rx_threshold		= 2,
	.cs_control		= ads7846_cs,
};

static struct spi_board_info spi_board_info[] __initdata = { {
	.modalias	= "ads7846",
	.platform_data	= &ads_info,
	.controller_data = &ads_hw,
	.irq		= LUBBOCK_BB_IRQ,
	.max_speed_hz	= 120000 /* max sample rate at 3V */
				* 26 /* command + data + overhead */,
	.bus_num	= 1,
	.chip_select	= 0,
},
};

static struct resource smc91x_resources[] = {
	[0] = {
		.name	= "smc91x-regs",
		.start	= 0x0c000c00,
		.end	= 0x0c0fffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= LUBBOCK_ETH_IRQ,
		.end	= LUBBOCK_ETH_IRQ,
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
	[2] = {
		.name	= "smc91x-attrib",
		.start	= 0x0e000000,
		.end	= 0x0e0fffff,
		.flags	= IORESOURCE_MEM,
	},
};

static struct smc91x_platdata lubbock_smc91x_info = {
	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
	.dev		= {
		.platform_data = &lubbock_smc91x_info,
	},
};

static struct resource flash_resources[] = {
	[0] = {
		.start	= 0x00000000,
		.end	= SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 0x04000000,
		.end	= 0x04000000 + SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct mtd_partition lubbock_partitions[] = {
	{
		.name =		"Bootloader",
		.size =		0x00040000,
		.offset =	0,
		.mask_flags =	MTD_WRITEABLE  /* force read-only */
	},{
		.name =		"Kernel",
		.size =		0x00100000,
		.offset =	0x00040000,
	},{
		.name =		"Filesystem",
		.size =		MTDPART_SIZ_FULL,
		.offset =	0x00140000
	}
};

static struct flash_platform_data lubbock_flash_data[2] = {
	{
		.map_name	= "cfi_probe",
		.parts		= lubbock_partitions,
		.nr_parts	= ARRAY_SIZE(lubbock_partitions),
	}, {
		.map_name	= "cfi_probe",
		.parts		= NULL,
		.nr_parts	= 0,
	}
};

static struct platform_device lubbock_flash_device[2] = {
	{
		.name		= "pxa2xx-flash",
		.id		= 0,
		.dev = {
			.platform_data = &lubbock_flash_data[0],
		},
		.resource = &flash_resources[0],
		.num_resources = 1,
	},
	{
		.name		= "pxa2xx-flash",
		.id		= 1,
		.dev = {
			.platform_data = &lubbock_flash_data[1],
		},
		.resource = &flash_resources[1],
		.num_resources = 1,
	},
};

static struct platform_device *devices[] __initdata = {
	&sa1111_device,
	&smc91x_device,
	&lubbock_flash_device[0],
	&lubbock_flash_device[1],
};

static struct pxafb_mode_info sharp_lm8v31_mode = {
	.pixclock	= 270000,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 16,
	.hsync_len	= 1,
	.left_margin	= 3,
	.right_margin	= 3,
	.vsync_len	= 1,
	.upper_margin	= 0,
	.lower_margin	= 0,
	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	.cmap_greyscale	= 0,
};

static struct pxafb_mach_info sharp_lm8v31 = {
	.modes		= &sharp_lm8v31_mode,
	.num_modes	= 1,
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.lcd_conn	= LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
			  LCD_AC_BIAS_FREQ(255),
};

#define	MMC_POLL_RATE		msecs_to_jiffies(1000)

static void lubbock_mmc_poll(unsigned long);
static irq_handler_t mmc_detect_int;

static struct timer_list mmc_timer = {
	.function	= lubbock_mmc_poll,
};

static void lubbock_mmc_poll(unsigned long data)
{
	unsigned long flags;

	/* clear any previous irq state, then ... */
	local_irq_save(flags);
	LUB_IRQ_SET_CLR &= ~(1 << 0);
	local_irq_restore(flags);

	/* poll until mmc/sd card is removed */
	if (LUB_IRQ_SET_CLR & (1 << 0))
		mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	else {
		(void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
		enable_irq(LUBBOCK_SD_IRQ);
	}
}

static irqreturn_t lubbock_detect_int(int irq, void *data)
{
	/* IRQ is level triggered; disable, and poll for removal */
	disable_irq(irq);
	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);

	return mmc_detect_int(irq, data);
}

static int lubbock_mci_init(struct device *dev,
		irq_handler_t detect_int,
		void *data)
{
	/* detect card insert/eject */
	mmc_detect_int = detect_int;
	init_timer(&mmc_timer);
	mmc_timer.data = (unsigned long) data;
	return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
			IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
}

static int lubbock_mci_get_ro(struct device *dev)
{
	return (LUB_MISC_RD & (1 << 2)) != 0;
}

static void lubbock_mci_exit(struct device *dev, void *data)
{
	free_irq(LUBBOCK_SD_IRQ, data);
	del_timer_sync(&mmc_timer);
}

static struct pxamci_platform_data lubbock_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.detect_delay_ms	= 10,
	.init 			= lubbock_mci_init,
	.get_ro			= lubbock_mci_get_ro,
	.exit 			= lubbock_mci_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
{
	unsigned long flags;

	local_irq_save(flags);
	if (mode & IR_SIRMODE) {
		LUB_MISC_WR &= ~(1 << 4);
	} else if (mode & IR_FIRMODE) {
		LUB_MISC_WR |= 1 << 4;
	}
	pxa2xx_transceiver_mode(dev, mode);
	local_irq_restore(flags);
}

static struct pxaficp_platform_data lubbock_ficp_platform_data = {
	.gpio_pwdown		= -1,
	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE,
	.transceiver_mode	= lubbock_irda_transceiver_mode,
};

static void __init lubbock_init(void)
{
	int flashboot = (LUB_CONF_SWITCHES & 1);

	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));

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

	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
	pxa_set_udc_info(&udc_info);
	set_pxa_fb_info(&sharp_lm8v31);
	pxa_set_mci_info(&lubbock_mci_platform_data);
	pxa_set_ficp_info(&lubbock_ficp_platform_data);
	pxa_set_ac97_info(NULL);

	lubbock_flash_data[0].width = lubbock_flash_data[1].width =
		(BOOT_DEF & 1) ? 2 : 4;
	/* Compensate for the nROMBT switch which swaps the flash banks */
	printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
	       flashboot?"Flash":"ROM", flashboot);

	lubbock_flash_data[flashboot^1].name = "application-flash";
	lubbock_flash_data[flashboot].name = "boot-rom";
	(void) platform_add_devices(devices, ARRAY_SIZE(devices));

	pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}

static struct map_desc lubbock_io_desc[] __initdata = {
  	{	/* CPLD */
		.virtual	=  LUBBOCK_FPGA_VIRT,
		.pfn		= __phys_to_pfn(LUBBOCK_FPGA_PHYS),
		.length		= 0x00100000,
		.type		= MT_DEVICE
	}
};

static void __init lubbock_map_io(void)
{
	pxa_map_io();
	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));

	PCFR |= PCFR_OPDE;
}

MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
	/* Maintainer: MontaVista Software Inc. */
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.map_io		= lubbock_map_io,
	.init_irq	= lubbock_init_irq,
	.timer		= &pxa_timer,
	.init_machine	= lubbock_init,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-pxa/lubbock.c
	3	*
	4	* Support for the Intel DBPXA250 Development Platform.
	5	*
	6	* Author: Nicolas Pitre
	7	* Created: Jun 15, 2001
	8	* Copyright: MontaVista Software Inc.
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14	#include <linux/module.h>
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
d052d1be	17	#include <linux/platform_device.h>
22f11c4e	18	#include <linux/sysdev.h>
1da177e4 LT	19	#include <linux/major.h>
	20	#include <linux/fb.h>
	21	#include <linux/interrupt.h>
74ec71e1 TP	22	#include <linux/mtd/mtd.h>
74ec71e1 TP	23	#include <linux/mtd/partitions.h>
3aed74cd	24	#include <linux/smc91x.h>
1da177e4	25
9df5db80 DB	26	#include <linux/spi/spi.h>
9df5db80 DB	27	#include <linux/spi/ads7846.h>
a09e64fb	28	#include <mach/pxa2xx_spi.h>
9df5db80	29
1da177e4 LT	30	#include <asm/setup.h>
	31	#include <asm/memory.h>
	32	#include <asm/mach-types.h>
a09e64fb	33	#include <mach/hardware.h>
1da177e4	34	#include <asm/irq.h>
74ec71e1	35	#include <asm/sizes.h>
1da177e4 LT	36
	37	#include <asm/mach/arch.h>
	38	#include <asm/mach/map.h>
	39	#include <asm/mach/irq.h>
74ec71e1	40	#include <asm/mach/flash.h>
1da177e4 LT	41
	42	#include <asm/hardware/sa1111.h>
	43
51c62982	44	#include <mach/pxa25x.h>
da065a0b	45	#include <mach/gpio.h>
a09e64fb RK	46	#include <mach/audio.h>
	47	#include <mach/lubbock.h>
	48	#include <mach/udc.h>
	49	#include <mach/irda.h>
	50	#include <mach/pxafb.h>
	51	#include <mach/mmc.h>
54386145	52	#include <mach/pm.h>
1da177e4 LT	53
1da177e4 LT	54	#include "generic.h"
c1ed406c	55	#include "clock.h"
46c41e62	56	#include "devices.h"
1da177e4	57
9b02b2df	58	static unsigned long lubbock_pin_config[] __initdata = {
9b02b2df	59	GPIO15_nCS_1, /* CS1 - Flash */
4a5c5eab	60	GPIO78_nCS_2, /* CS2 - Baseboard FGPA */
9b02b2df	61	GPIO79_nCS_3, /* CS3 - SMC ethernet */
4a5c5eab	62	GPIO80_nCS_4, /* CS4 - SA1111 */
9b02b2df	63
	64	/* SSP data pins */
	65	GPIO23_SSP1_SCLK,
	66	GPIO25_SSP1_TXD,
	67	GPIO26_SSP1_RXD,
	68
c11b6a42 EM	69	/* AC97 */
	70	GPIO28_AC97_BITCLK,
	71	GPIO29_AC97_SDATA_IN_0,
	72	GPIO30_AC97_SDATA_OUT,
	73	GPIO31_AC97_SYNC,
	74
4a5c5eab	75	/* LCD - 16bpp DSTN */
07bae6c3	76	GPIOxx_LCD_DSTN_16BPP,
4a5c5eab	77
9b02b2df	78	/* BTUART */
	79	GPIO42_BTUART_RXD,
	80	GPIO43_BTUART_TXD,
	81	GPIO44_BTUART_CTS,
	82	GPIO45_BTUART_RTS,
	83
	84	/* PC Card */
	85	GPIO48_nPOE,
	86	GPIO49_nPWE,
	87	GPIO50_nPIOR,
	88	GPIO51_nPIOW,
	89	GPIO52_nPCE_1,
	90	GPIO53_nPCE_2,
	91	GPIO54_nPSKTSEL,
	92	GPIO55_nPREG,
	93	GPIO56_nPWAIT,
	94	GPIO57_nIOIS16,
	95
	96	/* MMC */
	97	GPIO6_MMC_CLK,
	98	GPIO8_MMC_CS0,
	99
	100	/* wakeup */
	101	GPIO1_GPIO \| WAKEUP_ON_EDGE_RISE,
	102	};
1da177e4	103
54386145	104	#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
1da177e4 LT	105	#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
1da177e4 LT	106
54386145 EM	107	void lubbock_set_hexled(uint32_t value)
	108	{
	109	LUB_HEXLED = value;
	110	}
	111
1da177e4 LT	112	void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
	113	{
	114	unsigned long flags;
	115
	116	local_irq_save(flags);
	117	LUB_MISC_WR = (LUB_MISC_WR & ~mask) \| (set & mask);
	118	local_irq_restore(flags);
	119	}
	120	EXPORT_SYMBOL(lubbock_set_misc_wr);
	121
	122	static unsigned long lubbock_irq_enabled;
	123
	124	static void lubbock_mask_irq(unsigned int irq)
	125	{
	126	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	127	LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
	128	}
	129
	130	static void lubbock_unmask_irq(unsigned int irq)
	131	{
	132	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	133	/* the irq can be acknowledged only if deasserted, so it's done here */
	134	LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
	135	LUB_IRQ_MASK_EN = (lubbock_irq_enabled \|= (1 << lubbock_irq));
	136	}
	137
38c677cb DB	138	static struct irq_chip lubbock_irq_chip = {
38c677cb DB	139	.name = "FPGA",
1da177e4 LT	140	.ack = lubbock_mask_irq,
	141	.mask = lubbock_mask_irq,
	142	.unmask = lubbock_unmask_irq,
	143	};
	144
10dd5ce2	145	static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
1da177e4 LT	146	{
	147	unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	148	do {
669cb51c	149	desc->chip->ack(irq); /* clear our parent irq */
1da177e4 LT	150	if (likely(pending)) {
1da177e4 LT	151	irq = LUBBOCK_IRQ(0) + __ffs(pending);
d8aa0251	152	generic_handle_irq(irq);
1da177e4 LT	153	}
	154	pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	155	} while (pending);
	156	}
	157
	158	static void __init lubbock_init_irq(void)
	159	{
	160	int irq;
	161
cd49104d	162	pxa25x_init_irq();
1da177e4 LT	163
	164	/* setup extra lubbock irqs */
	165	for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
	166	set_irq_chip(irq, &lubbock_irq_chip);
10dd5ce2	167	set_irq_handler(irq, handle_level_irq);
1da177e4 LT	168	set_irq_flags(irq, IRQF_VALID \| IRQF_PROBE);
	169	}
	170
	171	set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
6cab4860	172	set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
1da177e4 LT	173	}
1da177e4 LT	174
22f11c4e NP	175	#ifdef CONFIG_PM
	176
	177	static int lubbock_irq_resume(struct sys_device *dev)
	178	{
	179	LUB_IRQ_MASK_EN = lubbock_irq_enabled;
	180	return 0;
	181	}
	182
	183	static struct sysdev_class lubbock_irq_sysclass = {
af5ca3f4	184	.name = "cpld_irq",
22f11c4e NP	185	.resume = lubbock_irq_resume,
	186	};
	187
	188	static struct sys_device lubbock_irq_device = {
	189	.cls = &lubbock_irq_sysclass,
	190	};
	191
	192	static int __init lubbock_irq_device_init(void)
	193	{
16f159b1 RK	194	int ret = -ENODEV;
	195
	196	if (machine_is_lubbock()) {
	197	ret = sysdev_class_register(&lubbock_irq_sysclass);
	198	if (ret == 0)
	199	ret = sysdev_register(&lubbock_irq_device);
	200	}
22f11c4e NP	201	return ret;
	202	}
	203
	204	device_initcall(lubbock_irq_device_init);
	205
	206	#endif
	207
1da177e4 LT	208	static int lubbock_udc_is_connected(void)
	209	{
	210	return (LUB_MISC_RD & (1 << 9)) == 0;
	211	}
	212
	213	static struct pxa2xx_udc_mach_info udc_info __initdata = {
	214	.udc_is_connected = lubbock_udc_is_connected,
	215	// no D+ pullup; lubbock can't connect/disconnect in software
	216	};
	217
	218	static struct resource sa1111_resources[] = {
	219	[0] = {
	220	.start = 0x10000000,
	221	.end = 0x10001fff,
	222	.flags = IORESOURCE_MEM,
	223	},
	224	[1] = {
	225	.start = LUBBOCK_SA1111_IRQ,
	226	.end = LUBBOCK_SA1111_IRQ,
	227	.flags = IORESOURCE_IRQ,
	228	},
	229	};
	230
19851c58 EM	231	static struct sa1111_platform_data sa1111_info = {
	232	.irq_base = IRQ_BOARD_END,
	233	};
	234
1da177e4 LT	235	static struct platform_device sa1111_device = {
	236	.name = "sa1111",
	237	.id = -1,
	238	.num_resources = ARRAY_SIZE(sa1111_resources),
	239	.resource = sa1111_resources,
19851c58 EM	240	.dev = {
	241	.platform_data = &sa1111_info,
	242	},
1da177e4 LT	243	};
1da177e4 LT	244
9df5db80 DB	245	/* ADS7846 is connected through SSP ... and if your board has J5 populated,
	246	* you can select it to replace the ucb1400 by switching the touchscreen cable
	247	* (to J5) and poking board registers (as done below). Else it's only useful
	248	* for the temperature sensors.
	249	*/
9df5db80	250	static struct pxa2xx_spi_master pxa_ssp_master_info = {
1f4de5a0	251	.num_chipselect = 1,
9df5db80 DB	252	};
9df5db80 DB	253
9df5db80 DB	254	static int lubbock_ads7846_pendown_state(void)
	255	{
	256	/* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
	257	return 0;
	258	}
	259
	260	static struct ads7846_platform_data ads_info = {
	261	.model = 7846,
	262	.vref_delay_usecs = 100, /* internal, no cap */
	263	.get_pendown_state = lubbock_ads7846_pendown_state,
	264	// .x_plate_ohms = 500, /* GUESS! */
	265	// .y_plate_ohms = 500, /* GUESS! */
	266	};
	267
	268	static void ads7846_cs(u32 command)
	269	{
	270	static const unsigned TS_nCS = 1 << 11;
	271	lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
	272	}
	273
	274	static struct pxa2xx_spi_chip ads_hw = {
	275	.tx_threshold = 1,
	276	.rx_threshold = 2,
	277	.cs_control = ads7846_cs,
	278	};
	279
	280	static struct spi_board_info spi_board_info[] __initdata = { {
	281	.modalias = "ads7846",
	282	.platform_data = &ads_info,
	283	.controller_data = &ads_hw,
	284	.irq = LUBBOCK_BB_IRQ,
	285	.max_speed_hz = 120000 /* max sample rate at 3V */
	286	* 26 /* command + data + overhead */,
	287	.bus_num = 1,
	288	.chip_select = 0,
	289	},
	290	};
	291
e21e2d46 RK	292	static struct resource smc91x_resources[] = {
	293	[0] = {
	294	.name = "smc91x-regs",
	295	.start = 0x0c000c00,
	296	.end = 0x0c0fffff,
	297	.flags = IORESOURCE_MEM,
	298	},
	299	[1] = {
	300	.start = LUBBOCK_ETH_IRQ,
	301	.end = LUBBOCK_ETH_IRQ,
	302	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	303	},
	304	[2] = {
	305	.name = "smc91x-attrib",
	306	.start = 0x0e000000,
	307	.end = 0x0e0fffff,
	308	.flags = IORESOURCE_MEM,
	309	},
	310	};
	311
3aed74cd EM	312	static struct smc91x_platdata lubbock_smc91x_info = {
	313	.flags = SMC91X_USE_16BIT \| SMC91X_NOWAIT \| SMC91X_IO_SHIFT_2,
	314	};
	315
1da177e4 LT	316	static struct platform_device smc91x_device = {
	317	.name = "smc91x",
	318	.id = -1,
	319	.num_resources = ARRAY_SIZE(smc91x_resources),
	320	.resource = smc91x_resources,
3aed74cd EM	321	.dev = {
	322	.platform_data = &lubbock_smc91x_info,
	323	},
1da177e4 LT	324	};
1da177e4 LT	325
74ec71e1 TP	326	static struct resource flash_resources[] = {
	327	[0] = {
	328	.start = 0x00000000,
	329	.end = SZ_64M - 1,
	330	.flags = IORESOURCE_MEM,
	331	},
	332	[1] = {
	333	.start = 0x04000000,
	334	.end = 0x04000000 + SZ_64M - 1,
	335	.flags = IORESOURCE_MEM,
	336	},
	337	};
	338
	339	static struct mtd_partition lubbock_partitions[] = {
	340	{
	341	.name = "Bootloader",
	342	.size = 0x00040000,
	343	.offset = 0,
	344	.mask_flags = MTD_WRITEABLE /* force read-only */
	345	},{
	346	.name = "Kernel",
	347	.size = 0x00100000,
	348	.offset = 0x00040000,
	349	},{
	350	.name = "Filesystem",
	351	.size = MTDPART_SIZ_FULL,
	352	.offset = 0x00140000
	353	}
	354	};
	355
	356	static struct flash_platform_data lubbock_flash_data[2] = {
	357	{
	358	.map_name = "cfi_probe",
	359	.parts = lubbock_partitions,
	360	.nr_parts = ARRAY_SIZE(lubbock_partitions),
	361	}, {
	362	.map_name = "cfi_probe",
	363	.parts = NULL,
	364	.nr_parts = 0,
	365	}
	366	};
	367
	368	static struct platform_device lubbock_flash_device[2] = {
	369	{
	370	.name = "pxa2xx-flash",
	371	.id = 0,
	372	.dev = {
	373	.platform_data = &lubbock_flash_data[0],
	374	},
	375	.resource = &flash_resources[0],
	376	.num_resources = 1,
	377	},
	378	{
	379	.name = "pxa2xx-flash",
	380	.id = 1,
	381	.dev = {
	382	.platform_data = &lubbock_flash_data[1],
	383	},
	384	.resource = &flash_resources[1],
	385	.num_resources = 1,
	386	},
	387	};
	388
1da177e4 LT	389	static struct platform_device *devices[] __initdata = {
	390	&sa1111_device,
	391	&smc91x_device,
74ec71e1 TP	392	&lubbock_flash_device[0],
74ec71e1 TP	393	&lubbock_flash_device[1],
1da177e4 LT	394	};
1da177e4 LT	395
d14b272b	396	static struct pxafb_mode_info sharp_lm8v31_mode = {
1da177e4 LT	397	.pixclock = 270000,
	398	.xres = 640,
	399	.yres = 480,
	400	.bpp = 16,
	401	.hsync_len = 1,
	402	.left_margin = 3,
	403	.right_margin = 3,
	404	.vsync_len = 1,
	405	.upper_margin = 0,
	406	.lower_margin = 0,
	407	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	408	.cmap_greyscale = 0,
d14b272b RP	409	};
	410
	411	static struct pxafb_mach_info sharp_lm8v31 = {
	412	.modes = &sharp_lm8v31_mode,
	413	.num_modes = 1,
1da177e4 LT	414	.cmap_inverse = 0,
1da177e4 LT	415	.cmap_static = 0,
0454bd09	416	.lcd_conn = LCD_COLOR_DSTN_16BPP \| LCD_PCLK_EDGE_FALL \|
ffebabe0	417	LCD_AC_BIAS_FREQ(255),
1da177e4 LT	418	};
1da177e4 LT	419
85eb226c DB	420	#define MMC_POLL_RATE msecs_to_jiffies(1000)
	421
	422	static void lubbock_mmc_poll(unsigned long);
40220c1a	423	static irq_handler_t mmc_detect_int;
85eb226c DB	424
	425	static struct timer_list mmc_timer = {
	426	.function = lubbock_mmc_poll,
	427	};
	428
	429	static void lubbock_mmc_poll(unsigned long data)
	430	{
	431	unsigned long flags;
	432
	433	/* clear any previous irq state, then ... */
	434	local_irq_save(flags);
	435	LUB_IRQ_SET_CLR &= ~(1 << 0);
	436	local_irq_restore(flags);
	437
	438	/* poll until mmc/sd card is removed */
	439	if (LUB_IRQ_SET_CLR & (1 << 0))
	440	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	441	else {
2326eb98	442	(void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
85eb226c DB	443	enable_irq(LUBBOCK_SD_IRQ);
	444	}
	445	}
	446
0cd61b68	447	static irqreturn_t lubbock_detect_int(int irq, void *data)
85eb226c DB	448	{
	449	/* IRQ is level triggered; disable, and poll for removal */
	450	disable_irq(irq);
	451	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	452
0cd61b68	453	return mmc_detect_int(irq, data);
85eb226c DB	454	}
	455
	456	static int lubbock_mci_init(struct device *dev,
40220c1a	457	irq_handler_t detect_int,
85eb226c	458	void *data)
1da177e4	459	{
85eb226c DB	460	/* detect card insert/eject */
	461	mmc_detect_int = detect_int;
	462	init_timer(&mmc_timer);
	463	mmc_timer.data = (unsigned long) data;
	464	return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
52e405ea	465	IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
85eb226c DB	466	}
	467
	468	static int lubbock_mci_get_ro(struct device *dev)
	469	{
	470	return (LUB_MISC_RD & (1 << 2)) != 0;
	471	}
	472
	473	static void lubbock_mci_exit(struct device dev, void data)
	474	{
	475	free_irq(LUBBOCK_SD_IRQ, data);
	476	del_timer_sync(&mmc_timer);
1da177e4 LT	477	}
	478
	479	static struct pxamci_platform_data lubbock_mci_platform_data = {
7a648256	480	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
f97cab28	481	.detect_delay_ms = 10,
7a648256 RJ	482	.init = lubbock_mci_init,
	483	.get_ro = lubbock_mci_get_ro,
	484	.exit = lubbock_mci_exit,
	485	.gpio_card_detect = -1,
	486	.gpio_card_ro = -1,
	487	.gpio_power = -1,
1da177e4 LT	488	};
1da177e4 LT	489
6f475c01 NP	490	static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
	491	{
	492	unsigned long flags;
	493
	494	local_irq_save(flags);
	495	if (mode & IR_SIRMODE) {
	496	LUB_MISC_WR &= ~(1 << 4);
	497	} else if (mode & IR_FIRMODE) {
	498	LUB_MISC_WR \|= 1 << 4;
	499	}
0fc3ff31	500	pxa2xx_transceiver_mode(dev, mode);
6f475c01 NP	501	local_irq_restore(flags);
	502	}
	503
	504	static struct pxaficp_platform_data lubbock_ficp_platform_data = {
c4bd0172 MV	505	.gpio_pwdown = -1,
	506	.transceiver_cap = IR_SIRMODE \| IR_FIRMODE,
	507	.transceiver_mode = lubbock_irda_transceiver_mode,
6f475c01 NP	508	};
6f475c01 NP	509
1da177e4 LT	510	static void __init lubbock_init(void)
1da177e4 LT	511	{
74ec71e1 TP	512	int flashboot = (LUB_CONF_SWITCHES & 1);
74ec71e1 TP	513
9b02b2df	514	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
9b02b2df	515
cc155c6f RK	516	pxa_set_ffuart_info(NULL);
	517	pxa_set_btuart_info(NULL);
	518	pxa_set_stuart_info(NULL);
	519
c1ed406c	520	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
1da177e4 LT	521	pxa_set_udc_info(&udc_info);
	522	set_pxa_fb_info(&sharp_lm8v31);
	523	pxa_set_mci_info(&lubbock_mci_platform_data);
6f475c01	524	pxa_set_ficp_info(&lubbock_ficp_platform_data);
9f19d638	525	pxa_set_ac97_info(NULL);
74ec71e1 TP	526
	527	lubbock_flash_data[0].width = lubbock_flash_data[1].width =
	528	(BOOT_DEF & 1) ? 2 : 4;
	529	/* Compensate for the nROMBT switch which swaps the flash banks */
	530	printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
	531	flashboot?"Flash":"ROM", flashboot);
	532
	533	lubbock_flash_data[flashboot^1].name = "application-flash";
	534	lubbock_flash_data[flashboot].name = "boot-rom";
1da177e4	535	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
9df5db80	536
e172274c	537	pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
9df5db80	538	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
1da177e4 LT	539	}
	540
	541	static struct map_desc lubbock_io_desc[] __initdata = {
6f9182eb DS	542	{ /* CPLD */
	543	.virtual = LUBBOCK_FPGA_VIRT,
	544	.pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
	545	.length = 0x00100000,
	546	.type = MT_DEVICE
	547	}
1da177e4 LT	548	};
	549
	550	static void __init lubbock_map_io(void)
	551	{
	552	pxa_map_io();
	553	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
	554
1da177e4 LT	555	PCFR \|= PCFR_OPDE;
	556	}
	557
	558	MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
e9dea0c6	559	/* Maintainer: MontaVista Software Inc. */
e9dea0c6	560	.phys_io = 0x40000000,
68070bde	561	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 RK	562	.map_io = lubbock_map_io,
e9dea0c6 RK	563	.init_irq = lubbock_init_irq,
1da177e4	564	.timer = &pxa_timer,
e9dea0c6	565	.init_machine = lubbock_init,
1da177e4	566	MACHINE_END