[mirror_ubuntu-artful-kernel.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/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/syscore_ops.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/slab.h>
#include <linux/leds.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/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/audio.h>
#include <mach/lubbock.h>
#include <mach/udc.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <mach/pm.h>
#include <mach/smemc.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 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	= LUBBOCK_SA1111_IRQ_BASE,
	.disable_devs	= SA1111_DEVID_SAC,
};

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 resource lubbock_cplds_resources[] = {
	[0] = {
		.start	= LUBBOCK_FPGA_PHYS + 0xc0,
		.end	= LUBBOCK_FPGA_PHYS + 0xe0 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= PXA_GPIO_TO_IRQ(0),
		.end	= PXA_GPIO_TO_IRQ(0),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
	},
	[2] = {
		.start	= LUBBOCK_IRQ(0),
		.end	= LUBBOCK_IRQ(6),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device lubbock_cplds_device = {
	.name		= "pxa_cplds_irqs",
	.id		= -1,
	.resource	= &lubbock_cplds_resources[0],
	.num_resources	= 3,
};


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

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,
			   0, "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);
	pxa_set_fb_info(NULL, &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 =
		(__raw_readl(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)
{
	pxa25x_map_io();
	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));

	PCFR |= PCFR_OPDE;
}

/*
 * Driver for the 8 discrete LEDs available for general use:
 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
 * so be sure to not monkey with them here.
 */

#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
struct lubbock_led {
	struct led_classdev	cdev;
	u8			mask;
};

/*
 * The triggers lines up below will only be used if the
 * LED triggers are compiled in.
 */
static const struct {
	const char *name;
	const char *trigger;
} lubbock_leds[] = {
	{ "lubbock:D28", "default-on", },
	{ "lubbock:D27", "cpu0", },
	{ "lubbock:D26", "heartbeat" },
	{ "lubbock:D25", },
	{ "lubbock:D24", },
	{ "lubbock:D23", },
	{ "lubbock:D22", },
	{ "lubbock:D21", },
};

static void lubbock_led_set(struct led_classdev *cdev,
			      enum led_brightness b)
{
	struct lubbock_led *led = container_of(cdev,
					 struct lubbock_led, cdev);
	u32 reg = LUB_DISC_BLNK_LED;

	if (b != LED_OFF)
		reg |= led->mask;
	else
		reg &= ~led->mask;

	LUB_DISC_BLNK_LED = reg;
}

static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
{
	struct lubbock_led *led = container_of(cdev,
					 struct lubbock_led, cdev);
	u32 reg = LUB_DISC_BLNK_LED;

	return (reg & led->mask) ? LED_FULL : LED_OFF;
}

static int __init lubbock_leds_init(void)
{
	int i;

	if (!machine_is_lubbock())
		return -ENODEV;

	/* All ON */
	LUB_DISC_BLNK_LED |= 0xff;
	for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
		struct lubbock_led *led;

		led = kzalloc(sizeof(*led), GFP_KERNEL);
		if (!led)
			break;

		led->cdev.name = lubbock_leds[i].name;
		led->cdev.brightness_set = lubbock_led_set;
		led->cdev.brightness_get = lubbock_led_get;
		led->cdev.default_trigger = lubbock_leds[i].trigger;
		led->mask = BIT(i);

		if (led_classdev_register(NULL, &led->cdev) < 0) {
			kfree(led);
			break;
		}
	}

	return 0;
}

/*
 * Since we may have triggers on any subsystem, defer registration
 * until after subsystem_init.
 */
fs_initcall(lubbock_leds_init);
#endif

MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
	/* Maintainer: MontaVista Software Inc. */
	.map_io		= lubbock_map_io,
	.nr_irqs	= LUBBOCK_NR_IRQS,
	.init_irq	= pxa25x_init_irq,
	.handle_irq	= pxa25x_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= lubbock_init,
	.restart	= pxa_restart,
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	*/
2f8163ba	14	#include <linux/gpio.h>
fc9e38c0	15	#include <linux/gpio/machine.h>
1da177e4 LT	16	#include <linux/module.h>
	17	#include <linux/kernel.h>
	18	#include <linux/init.h>
55f5d8ec	19	#include <linux/io.h>
d052d1be	20	#include <linux/platform_device.h>
2eaa03b5	21	#include <linux/syscore_ops.h>
1da177e4 LT	22	#include <linux/major.h>
	23	#include <linux/fb.h>
	24	#include <linux/interrupt.h>
74ec71e1 TP	25	#include <linux/mtd/mtd.h>
74ec71e1 TP	26	#include <linux/mtd/partitions.h>
3aed74cd	27	#include <linux/smc91x.h>
55f5d8ec BW	28	#include <linux/slab.h>
55f5d8ec BW	29	#include <linux/leds.h>
1da177e4	30
9df5db80 DB	31	#include <linux/spi/spi.h>
9df5db80 DB	32	#include <linux/spi/ads7846.h>
8348c259	33	#include <linux/spi/pxa2xx_spi.h>
9df5db80	34
1da177e4 LT	35	#include <asm/setup.h>
	36	#include <asm/memory.h>
	37	#include <asm/mach-types.h>
a09e64fb	38	#include <mach/hardware.h>
1da177e4	39	#include <asm/irq.h>
74ec71e1	40	#include <asm/sizes.h>
1da177e4 LT	41
	42	#include <asm/mach/arch.h>
	43	#include <asm/mach/map.h>
	44	#include <asm/mach/irq.h>
74ec71e1	45	#include <asm/mach/flash.h>
1da177e4 LT	46
	47	#include <asm/hardware/sa1111.h>
	48
51c62982	49	#include <mach/pxa25x.h>
a09e64fb RK	50	#include <mach/audio.h>
	51	#include <mach/lubbock.h>
	52	#include <mach/udc.h>
293b2da1 AB	53	#include <linux/platform_data/irda-pxaficp.h>
	54	#include <linux/platform_data/video-pxafb.h>
	55	#include <linux/platform_data/mmc-pxamci.h>
54386145	56	#include <mach/pm.h>
ad68bb9f	57	#include <mach/smemc.h>
1da177e4 LT	58
1da177e4 LT	59	#include "generic.h"
c1ed406c	60	#include "clock.h"
46c41e62	61	#include "devices.h"
1da177e4	62
9b02b2df	63	static unsigned long lubbock_pin_config[] __initdata = {
9b02b2df	64	GPIO15_nCS_1, /* CS1 - Flash */
4a5c5eab	65	GPIO78_nCS_2, /* CS2 - Baseboard FGPA */
9b02b2df	66	GPIO79_nCS_3, /* CS3 - SMC ethernet */
4a5c5eab	67	GPIO80_nCS_4, /* CS4 - SA1111 */
9b02b2df	68
	69	/* SSP data pins */
	70	GPIO23_SSP1_SCLK,
	71	GPIO25_SSP1_TXD,
	72	GPIO26_SSP1_RXD,
	73
c11b6a42 EM	74	/* AC97 */
	75	GPIO28_AC97_BITCLK,
	76	GPIO29_AC97_SDATA_IN_0,
	77	GPIO30_AC97_SDATA_OUT,
	78	GPIO31_AC97_SYNC,
	79
4a5c5eab	80	/* LCD - 16bpp DSTN */
07bae6c3	81	GPIOxx_LCD_DSTN_16BPP,
4a5c5eab	82
9b02b2df	83	/* BTUART */
	84	GPIO42_BTUART_RXD,
	85	GPIO43_BTUART_TXD,
	86	GPIO44_BTUART_CTS,
	87	GPIO45_BTUART_RTS,
	88
	89	/* PC Card */
	90	GPIO48_nPOE,
	91	GPIO49_nPWE,
	92	GPIO50_nPIOR,
	93	GPIO51_nPIOW,
	94	GPIO52_nPCE_1,
	95	GPIO53_nPCE_2,
	96	GPIO54_nPSKTSEL,
	97	GPIO55_nPREG,
	98	GPIO56_nPWAIT,
	99	GPIO57_nIOIS16,
	100
	101	/* MMC */
	102	GPIO6_MMC_CLK,
	103	GPIO8_MMC_CS0,
	104
	105	/* wakeup */
	106	GPIO1_GPIO \| WAKEUP_ON_EDGE_RISE,
	107	};
1da177e4	108
54386145	109	#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
1da177e4 LT	110	#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
1da177e4 LT	111
54386145 EM	112	void lubbock_set_hexled(uint32_t value)
	113	{
	114	LUB_HEXLED = value;
	115	}
	116
1da177e4 LT	117	void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
	118	{
	119	unsigned long flags;
	120
	121	local_irq_save(flags);
	122	LUB_MISC_WR = (LUB_MISC_WR & ~mask) \| (set & mask);
	123	local_irq_restore(flags);
	124	}
	125	EXPORT_SYMBOL(lubbock_set_misc_wr);
	126
1da177e4 LT	127	static int lubbock_udc_is_connected(void)
	128	{
	129	return (LUB_MISC_RD & (1 << 9)) == 0;
	130	}
	131
	132	static struct pxa2xx_udc_mach_info udc_info __initdata = {
	133	.udc_is_connected = lubbock_udc_is_connected,
	134	// no D+ pullup; lubbock can't connect/disconnect in software
	135	};
	136
	137	static struct resource sa1111_resources[] = {
	138	[0] = {
	139	.start = 0x10000000,
	140	.end = 0x10001fff,
	141	.flags = IORESOURCE_MEM,
	142	},
	143	[1] = {
	144	.start = LUBBOCK_SA1111_IRQ,
	145	.end = LUBBOCK_SA1111_IRQ,
	146	.flags = IORESOURCE_IRQ,
	147	},
	148	};
	149
19851c58	150	static struct sa1111_platform_data sa1111_info = {
6ac6b817	151	.irq_base = LUBBOCK_SA1111_IRQ_BASE,
07be45f5	152	.disable_devs = SA1111_DEVID_SAC,
19851c58 EM	153	};
19851c58 EM	154
1da177e4 LT	155	static struct platform_device sa1111_device = {
	156	.name = "sa1111",
	157	.id = -1,
	158	.num_resources = ARRAY_SIZE(sa1111_resources),
	159	.resource = sa1111_resources,
19851c58 EM	160	.dev = {
	161	.platform_data = &sa1111_info,
	162	},
1da177e4 LT	163	};
1da177e4 LT	164
9df5db80 DB	165	/* ADS7846 is connected through SSP ... and if your board has J5 populated,
	166	* you can select it to replace the ucb1400 by switching the touchscreen cable
	167	* (to J5) and poking board registers (as done below). Else it's only useful
	168	* for the temperature sensors.
	169	*/
9df5db80	170	static struct pxa2xx_spi_master pxa_ssp_master_info = {
1f4de5a0	171	.num_chipselect = 1,
9df5db80 DB	172	};
9df5db80 DB	173
9df5db80 DB	174	static int lubbock_ads7846_pendown_state(void)
	175	{
	176	/* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
	177	return 0;
	178	}
	179
	180	static struct ads7846_platform_data ads_info = {
	181	.model = 7846,
	182	.vref_delay_usecs = 100, /* internal, no cap */
	183	.get_pendown_state = lubbock_ads7846_pendown_state,
	184	// .x_plate_ohms = 500, /* GUESS! */
	185	// .y_plate_ohms = 500, /* GUESS! */
	186	};
	187
	188	static void ads7846_cs(u32 command)
	189	{
	190	static const unsigned TS_nCS = 1 << 11;
	191	lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
	192	}
	193
	194	static struct pxa2xx_spi_chip ads_hw = {
	195	.tx_threshold = 1,
	196	.rx_threshold = 2,
	197	.cs_control = ads7846_cs,
	198	};
	199
	200	static struct spi_board_info spi_board_info[] __initdata = { {
	201	.modalias = "ads7846",
	202	.platform_data = &ads_info,
	203	.controller_data = &ads_hw,
	204	.irq = LUBBOCK_BB_IRQ,
	205	.max_speed_hz = 120000 /* max sample rate at 3V */
	206	* 26 /* command + data + overhead */,
	207	.bus_num = 1,
	208	.chip_select = 0,
	209	},
	210	};
	211
e21e2d46 RK	212	static struct resource smc91x_resources[] = {
	213	[0] = {
	214	.name = "smc91x-regs",
	215	.start = 0x0c000c00,
	216	.end = 0x0c0fffff,
	217	.flags = IORESOURCE_MEM,
	218	},
	219	[1] = {
	220	.start = LUBBOCK_ETH_IRQ,
	221	.end = LUBBOCK_ETH_IRQ,
	222	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	223	},
	224	[2] = {
	225	.name = "smc91x-attrib",
	226	.start = 0x0e000000,
	227	.end = 0x0e0fffff,
	228	.flags = IORESOURCE_MEM,
	229	},
	230	};
	231
3aed74cd EM	232	static struct smc91x_platdata lubbock_smc91x_info = {
	233	.flags = SMC91X_USE_16BIT \| SMC91X_NOWAIT \| SMC91X_IO_SHIFT_2,
	234	};
	235
1da177e4 LT	236	static struct platform_device smc91x_device = {
	237	.name = "smc91x",
	238	.id = -1,
	239	.num_resources = ARRAY_SIZE(smc91x_resources),
	240	.resource = smc91x_resources,
3aed74cd EM	241	.dev = {
	242	.platform_data = &lubbock_smc91x_info,
	243	},
1da177e4 LT	244	};
1da177e4 LT	245
74ec71e1 TP	246	static struct resource flash_resources[] = {
	247	[0] = {
	248	.start = 0x00000000,
	249	.end = SZ_64M - 1,
	250	.flags = IORESOURCE_MEM,
	251	},
	252	[1] = {
	253	.start = 0x04000000,
	254	.end = 0x04000000 + SZ_64M - 1,
	255	.flags = IORESOURCE_MEM,
	256	},
	257	};
	258
	259	static struct mtd_partition lubbock_partitions[] = {
	260	{
	261	.name = "Bootloader",
	262	.size = 0x00040000,
	263	.offset = 0,
	264	.mask_flags = MTD_WRITEABLE /* force read-only */
	265	},{
	266	.name = "Kernel",
	267	.size = 0x00100000,
	268	.offset = 0x00040000,
	269	},{
	270	.name = "Filesystem",
	271	.size = MTDPART_SIZ_FULL,
	272	.offset = 0x00140000
	273	}
	274	};
	275
	276	static struct flash_platform_data lubbock_flash_data[2] = {
	277	{
	278	.map_name = "cfi_probe",
	279	.parts = lubbock_partitions,
	280	.nr_parts = ARRAY_SIZE(lubbock_partitions),
	281	}, {
	282	.map_name = "cfi_probe",
	283	.parts = NULL,
	284	.nr_parts = 0,
	285	}
	286	};
	287
	288	static struct platform_device lubbock_flash_device[2] = {
	289	{
	290	.name = "pxa2xx-flash",
	291	.id = 0,
	292	.dev = {
	293	.platform_data = &lubbock_flash_data[0],
	294	},
	295	.resource = &flash_resources[0],
	296	.num_resources = 1,
	297	},
	298	{
	299	.name = "pxa2xx-flash",
	300	.id = 1,
	301	.dev = {
	302	.platform_data = &lubbock_flash_data[1],
	303	},
	304	.resource = &flash_resources[1],
	305	.num_resources = 1,
	306	},
	307	};
	308
fc9e38c0 RJ	309	static struct resource lubbock_cplds_resources[] = {
	310	[0] = {
	311	.start = LUBBOCK_FPGA_PHYS + 0xc0,
	312	.end = LUBBOCK_FPGA_PHYS + 0xe0 - 1,
	313	.flags = IORESOURCE_MEM,
	314	},
	315	[1] = {
	316	.start = PXA_GPIO_TO_IRQ(0),
	317	.end = PXA_GPIO_TO_IRQ(0),
	318	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE,
	319	},
	320	[2] = {
	321	.start = LUBBOCK_IRQ(0),
	322	.end = LUBBOCK_IRQ(6),
	323	.flags = IORESOURCE_IRQ,
	324	},
	325	};
	326
	327	static struct platform_device lubbock_cplds_device = {
	328	.name = "pxa_cplds_irqs",
	329	.id = -1,
	330	.resource = &lubbock_cplds_resources[0],
	331	.num_resources = 3,
	332	};
	333
	334
1da177e4 LT	335	static struct platform_device *devices[] __initdata = {
	336	&sa1111_device,
	337	&smc91x_device,
74ec71e1 TP	338	&lubbock_flash_device[0],
74ec71e1 TP	339	&lubbock_flash_device[1],
fc9e38c0	340	&lubbock_cplds_device,
1da177e4 LT	341	};
1da177e4 LT	342
d14b272b	343	static struct pxafb_mode_info sharp_lm8v31_mode = {
1da177e4 LT	344	.pixclock = 270000,
	345	.xres = 640,
	346	.yres = 480,
	347	.bpp = 16,
	348	.hsync_len = 1,
	349	.left_margin = 3,
	350	.right_margin = 3,
	351	.vsync_len = 1,
	352	.upper_margin = 0,
	353	.lower_margin = 0,
	354	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	355	.cmap_greyscale = 0,
d14b272b RP	356	};
	357
	358	static struct pxafb_mach_info sharp_lm8v31 = {
	359	.modes = &sharp_lm8v31_mode,
	360	.num_modes = 1,
1da177e4 LT	361	.cmap_inverse = 0,
1da177e4 LT	362	.cmap_static = 0,
0454bd09	363	.lcd_conn = LCD_COLOR_DSTN_16BPP \| LCD_PCLK_EDGE_FALL \|
ffebabe0	364	LCD_AC_BIAS_FREQ(255),
1da177e4 LT	365	};
1da177e4 LT	366
85eb226c DB	367	#define MMC_POLL_RATE msecs_to_jiffies(1000)
	368
	369	static void lubbock_mmc_poll(unsigned long);
40220c1a	370	static irq_handler_t mmc_detect_int;
85eb226c DB	371
	372	static struct timer_list mmc_timer = {
	373	.function = lubbock_mmc_poll,
	374	};
	375
	376	static void lubbock_mmc_poll(unsigned long data)
	377	{
	378	unsigned long flags;
	379
	380	/* clear any previous irq state, then ... */
	381	local_irq_save(flags);
	382	LUB_IRQ_SET_CLR &= ~(1 << 0);
	383	local_irq_restore(flags);
	384
	385	/* poll until mmc/sd card is removed */
	386	if (LUB_IRQ_SET_CLR & (1 << 0))
	387	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	388	else {
2326eb98	389	(void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
85eb226c DB	390	enable_irq(LUBBOCK_SD_IRQ);
	391	}
	392	}
	393
0cd61b68	394	static irqreturn_t lubbock_detect_int(int irq, void *data)
85eb226c DB	395	{
	396	/* IRQ is level triggered; disable, and poll for removal */
	397	disable_irq(irq);
	398	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	399
0cd61b68	400	return mmc_detect_int(irq, data);
85eb226c DB	401	}
	402
	403	static int lubbock_mci_init(struct device *dev,
40220c1a	404	irq_handler_t detect_int,
85eb226c	405	void *data)
1da177e4	406	{
85eb226c DB	407	/* detect card insert/eject */
	408	mmc_detect_int = detect_int;
	409	init_timer(&mmc_timer);
	410	mmc_timer.data = (unsigned long) data;
	411	return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
14673764	412	0, "lubbock-sd-detect", data);
85eb226c DB	413	}
	414
	415	static int lubbock_mci_get_ro(struct device *dev)
	416	{
	417	return (LUB_MISC_RD & (1 << 2)) != 0;
	418	}
	419
	420	static void lubbock_mci_exit(struct device dev, void data)
	421	{
	422	free_irq(LUBBOCK_SD_IRQ, data);
	423	del_timer_sync(&mmc_timer);
1da177e4 LT	424	}
	425
	426	static struct pxamci_platform_data lubbock_mci_platform_data = {
7a648256	427	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
f97cab28	428	.detect_delay_ms = 10,
7a648256 RJ	429	.init = lubbock_mci_init,
	430	.get_ro = lubbock_mci_get_ro,
	431	.exit = lubbock_mci_exit,
	432	.gpio_card_detect = -1,
	433	.gpio_card_ro = -1,
	434	.gpio_power = -1,
1da177e4 LT	435	};
1da177e4 LT	436
6f475c01 NP	437	static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
	438	{
	439	unsigned long flags;
	440
	441	local_irq_save(flags);
	442	if (mode & IR_SIRMODE) {
	443	LUB_MISC_WR &= ~(1 << 4);
	444	} else if (mode & IR_FIRMODE) {
	445	LUB_MISC_WR \|= 1 << 4;
	446	}
0fc3ff31	447	pxa2xx_transceiver_mode(dev, mode);
6f475c01 NP	448	local_irq_restore(flags);
	449	}
	450
	451	static struct pxaficp_platform_data lubbock_ficp_platform_data = {
c4bd0172 MV	452	.gpio_pwdown = -1,
	453	.transceiver_cap = IR_SIRMODE \| IR_FIRMODE,
	454	.transceiver_mode = lubbock_irda_transceiver_mode,
6f475c01 NP	455	};
6f475c01 NP	456
1da177e4 LT	457	static void __init lubbock_init(void)
1da177e4 LT	458	{
74ec71e1 TP	459	int flashboot = (LUB_CONF_SWITCHES & 1);
74ec71e1 TP	460
9b02b2df	461	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
9b02b2df	462
cc155c6f RK	463	pxa_set_ffuart_info(NULL);
	464	pxa_set_btuart_info(NULL);
	465	pxa_set_stuart_info(NULL);
	466
c1ed406c	467	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
1da177e4	468	pxa_set_udc_info(&udc_info);
4321e1a1	469	pxa_set_fb_info(NULL, &sharp_lm8v31);
1da177e4	470	pxa_set_mci_info(&lubbock_mci_platform_data);
6f475c01	471	pxa_set_ficp_info(&lubbock_ficp_platform_data);
9f19d638	472	pxa_set_ac97_info(NULL);
74ec71e1 TP	473
74ec71e1 TP	474	lubbock_flash_data[0].width = lubbock_flash_data[1].width =
ad68bb9f	475	(__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
74ec71e1 TP	476	/* Compensate for the nROMBT switch which swaps the flash banks */
	477	printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
	478	flashboot?"Flash":"ROM", flashboot);
	479
	480	lubbock_flash_data[flashboot^1].name = "application-flash";
	481	lubbock_flash_data[flashboot].name = "boot-rom";
1da177e4	482	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
9df5db80	483
e172274c	484	pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
9df5db80	485	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
1da177e4 LT	486	}
	487
	488	static struct map_desc lubbock_io_desc[] __initdata = {
6f9182eb DS	489	{ /* CPLD */
	490	.virtual = LUBBOCK_FPGA_VIRT,
	491	.pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
	492	.length = 0x00100000,
	493	.type = MT_DEVICE
	494	}
1da177e4 LT	495	};
	496
	497	static void __init lubbock_map_io(void)
	498	{
851982c1	499	pxa25x_map_io();
1da177e4 LT	500	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
1da177e4 LT	501
1da177e4 LT	502	PCFR \|= PCFR_OPDE;
	503	}
	504
55f5d8ec BW	505	/*
	506	* Driver for the 8 discrete LEDs available for general use:
	507	* Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
	508	* so be sure to not monkey with them here.
	509	*/
	510
	511	#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
	512	struct lubbock_led {
	513	struct led_classdev cdev;
	514	u8 mask;
	515	};
	516
	517	/*
	518	* The triggers lines up below will only be used if the
	519	* LED triggers are compiled in.
	520	*/
	521	static const struct {
	522	const char *name;
	523	const char *trigger;
	524	} lubbock_leds[] = {
	525	{ "lubbock:D28", "default-on", },
	526	{ "lubbock:D27", "cpu0", },
	527	{ "lubbock:D26", "heartbeat" },
	528	{ "lubbock:D25", },
	529	{ "lubbock:D24", },
	530	{ "lubbock:D23", },
	531	{ "lubbock:D22", },
	532	{ "lubbock:D21", },
	533	};
	534
	535	static void lubbock_led_set(struct led_classdev *cdev,
	536	enum led_brightness b)
	537	{
	538	struct lubbock_led *led = container_of(cdev,
	539	struct lubbock_led, cdev);
	540	u32 reg = LUB_DISC_BLNK_LED;
	541
	542	if (b != LED_OFF)
	543	reg \|= led->mask;
	544	else
	545	reg &= ~led->mask;
	546
	547	LUB_DISC_BLNK_LED = reg;
	548	}
	549
	550	static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
	551	{
	552	struct lubbock_led *led = container_of(cdev,
	553	struct lubbock_led, cdev);
	554	u32 reg = LUB_DISC_BLNK_LED;
	555
	556	return (reg & led->mask) ? LED_FULL : LED_OFF;
	557	}
	558
	559	static int __init lubbock_leds_init(void)
	560	{
	561	int i;
	562
	563	if (!machine_is_lubbock())
	564	return -ENODEV;
	565
	566	/* All ON */
	567	LUB_DISC_BLNK_LED \|= 0xff;
	568	for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
569	struct lubbock_led *led;
570
571	led = kzalloc(sizeof(*led), GFP_KERNEL);
572	if (!led)
573	break;
574
575	led->cdev.name = lubbock_leds[i].name;
576	led->cdev.brightness_set = lubbock_led_set;
577	led->cdev.brightness_get = lubbock_led_get;
578	led->cdev.default_trigger = lubbock_leds[i].trigger;
579	led->mask = BIT(i);
580
581	if (led_classdev_register(NULL, &led->cdev) < 0) {
582	kfree(led);
583	break;
584	}
585	}
586
587	return 0;
588	}
589
590	/*
591	* Since we may have triggers on any subsystem, defer registration
592	* until after subsystem_init.
593	*/
594	fs_initcall(lubbock_leds_init);
595	#endif
596
1da177e4	597	MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
e9dea0c6	598	/* Maintainer: MontaVista Software Inc. */
e9dea0c6	599	.map_io = lubbock_map_io,
6ac6b817	600	.nr_irqs = LUBBOCK_NR_IRQS,
fc9e38c0	601	.init_irq = pxa25x_init_irq,
8a97ae2f	602	.handle_irq = pxa25x_handle_irq,
6bb27d73	603	.init_time = pxa_timer_init,
e9dea0c6	604	.init_machine = lubbock_init,
271a74fc	605	.restart = pxa_restart,
1da177e4	606	MACHINE_END