[deliverable/linux.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/clkdev.h>
#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 "pxa25x.h"
#include <mach/audio.h>
#include <mach/lubbock.h>
#include "udc.h"
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include "pm.h"
#include <mach/smemc.h>

#include "generic.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,

	/* SA1111 chip */
	GPIO11_3_6MHz,

	/* 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 void lubbock_init_pcmcia(void)
{
	struct clk *clk;

	/* Add an alias for the SA1111 PCMCIA clock */
	clk = clk_get_sys("pxa2xx-pcmcia", NULL);
	if (!IS_ERR(clk)) {
		clkdev_create(clk, NULL, "1800");
		clk_put(clk);
	}
}

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);

	lubbock_init_pcmcia();

	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	*/
2d34e507	14	#include <linux/clkdev.h>
2f8163ba	15	#include <linux/gpio.h>
fc9e38c0	16	#include <linux/gpio/machine.h>
1da177e4 LT	17	#include <linux/module.h>
	18	#include <linux/kernel.h>
	19	#include <linux/init.h>
55f5d8ec	20	#include <linux/io.h>
d052d1be	21	#include <linux/platform_device.h>
2eaa03b5	22	#include <linux/syscore_ops.h>
1da177e4 LT	23	#include <linux/major.h>
	24	#include <linux/fb.h>
	25	#include <linux/interrupt.h>
74ec71e1 TP	26	#include <linux/mtd/mtd.h>
74ec71e1 TP	27	#include <linux/mtd/partitions.h>
3aed74cd	28	#include <linux/smc91x.h>
55f5d8ec BW	29	#include <linux/slab.h>
55f5d8ec BW	30	#include <linux/leds.h>
1da177e4	31
9df5db80 DB	32	#include <linux/spi/spi.h>
9df5db80 DB	33	#include <linux/spi/ads7846.h>
8348c259	34	#include <linux/spi/pxa2xx_spi.h>
9df5db80	35
1da177e4 LT	36	#include <asm/setup.h>
	37	#include <asm/memory.h>
	38	#include <asm/mach-types.h>
a09e64fb	39	#include <mach/hardware.h>
1da177e4	40	#include <asm/irq.h>
74ec71e1	41	#include <asm/sizes.h>
1da177e4 LT	42
	43	#include <asm/mach/arch.h>
	44	#include <asm/mach/map.h>
	45	#include <asm/mach/irq.h>
74ec71e1	46	#include <asm/mach/flash.h>
1da177e4 LT	47
	48	#include <asm/hardware/sa1111.h>
	49
4c25c5d2	50	#include "pxa25x.h"
a09e64fb RK	51	#include <mach/audio.h>
a09e64fb RK	52	#include <mach/lubbock.h>
4c25c5d2	53	#include "udc.h"
293b2da1 AB	54	#include <linux/platform_data/irda-pxaficp.h>
	55	#include <linux/platform_data/video-pxafb.h>
	56	#include <linux/platform_data/mmc-pxamci.h>
4c25c5d2	57	#include "pm.h"
ad68bb9f	58	#include <mach/smemc.h>
1da177e4 LT	59
1da177e4 LT	60	#include "generic.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
70d64048 RJ	105	/* SA1111 chip */
	106	GPIO11_3_6MHz,
	107
9b02b2df	108	/* wakeup */
	109	GPIO1_GPIO \| WAKEUP_ON_EDGE_RISE,
	110	};
1da177e4	111
54386145	112	#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
1da177e4 LT	113	#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
1da177e4 LT	114
54386145 EM	115	void lubbock_set_hexled(uint32_t value)
	116	{
	117	LUB_HEXLED = value;
	118	}
	119
1da177e4 LT	120	void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
	121	{
	122	unsigned long flags;
	123
	124	local_irq_save(flags);
	125	LUB_MISC_WR = (LUB_MISC_WR & ~mask) \| (set & mask);
	126	local_irq_restore(flags);
	127	}
	128	EXPORT_SYMBOL(lubbock_set_misc_wr);
	129
1da177e4 LT	130	static int lubbock_udc_is_connected(void)
	131	{
	132	return (LUB_MISC_RD & (1 << 9)) == 0;
	133	}
	134
	135	static struct pxa2xx_udc_mach_info udc_info __initdata = {
	136	.udc_is_connected = lubbock_udc_is_connected,
	137	// no D+ pullup; lubbock can't connect/disconnect in software
	138	};
	139
1a57c286 RK	140	static void lubbock_init_pcmcia(void)
	141	{
	142	struct clk *clk;
	143
	144	/* Add an alias for the SA1111 PCMCIA clock */
	145	clk = clk_get_sys("pxa2xx-pcmcia", NULL);
	146	if (!IS_ERR(clk)) {
	147	clkdev_create(clk, NULL, "1800");
	148	clk_put(clk);
	149	}
	150	}
	151
1da177e4 LT	152	static struct resource sa1111_resources[] = {
	153	[0] = {
	154	.start = 0x10000000,
	155	.end = 0x10001fff,
	156	.flags = IORESOURCE_MEM,
	157	},
	158	[1] = {
	159	.start = LUBBOCK_SA1111_IRQ,
	160	.end = LUBBOCK_SA1111_IRQ,
	161	.flags = IORESOURCE_IRQ,
	162	},
	163	};
	164
19851c58	165	static struct sa1111_platform_data sa1111_info = {
6ac6b817	166	.irq_base = LUBBOCK_SA1111_IRQ_BASE,
07be45f5	167	.disable_devs = SA1111_DEVID_SAC,
19851c58 EM	168	};
19851c58 EM	169
1da177e4 LT	170	static struct platform_device sa1111_device = {
	171	.name = "sa1111",
	172	.id = -1,
	173	.num_resources = ARRAY_SIZE(sa1111_resources),
	174	.resource = sa1111_resources,
19851c58 EM	175	.dev = {
	176	.platform_data = &sa1111_info,
	177	},
1da177e4 LT	178	};
1da177e4 LT	179
9df5db80 DB	180	/* ADS7846 is connected through SSP ... and if your board has J5 populated,
	181	* you can select it to replace the ucb1400 by switching the touchscreen cable
	182	* (to J5) and poking board registers (as done below). Else it's only useful
	183	* for the temperature sensors.
	184	*/
9df5db80	185	static struct pxa2xx_spi_master pxa_ssp_master_info = {
1f4de5a0	186	.num_chipselect = 1,
9df5db80 DB	187	};
9df5db80 DB	188
9df5db80 DB	189	static int lubbock_ads7846_pendown_state(void)
	190	{
	191	/* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
	192	return 0;
	193	}
	194
	195	static struct ads7846_platform_data ads_info = {
	196	.model = 7846,
	197	.vref_delay_usecs = 100, /* internal, no cap */
	198	.get_pendown_state = lubbock_ads7846_pendown_state,
	199	// .x_plate_ohms = 500, /* GUESS! */
	200	// .y_plate_ohms = 500, /* GUESS! */
	201	};
	202
	203	static void ads7846_cs(u32 command)
	204	{
	205	static const unsigned TS_nCS = 1 << 11;
	206	lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
	207	}
	208
	209	static struct pxa2xx_spi_chip ads_hw = {
	210	.tx_threshold = 1,
	211	.rx_threshold = 2,
	212	.cs_control = ads7846_cs,
	213	};
	214
	215	static struct spi_board_info spi_board_info[] __initdata = { {
	216	.modalias = "ads7846",
	217	.platform_data = &ads_info,
	218	.controller_data = &ads_hw,
	219	.irq = LUBBOCK_BB_IRQ,
	220	.max_speed_hz = 120000 /* max sample rate at 3V */
	221	* 26 /* command + data + overhead */,
	222	.bus_num = 1,
	223	.chip_select = 0,
	224	},
	225	};
	226
e21e2d46 RK	227	static struct resource smc91x_resources[] = {
	228	[0] = {
	229	.name = "smc91x-regs",
	230	.start = 0x0c000c00,
	231	.end = 0x0c0fffff,
	232	.flags = IORESOURCE_MEM,
	233	},
	234	[1] = {
	235	.start = LUBBOCK_ETH_IRQ,
	236	.end = LUBBOCK_ETH_IRQ,
	237	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	238	},
	239	[2] = {
	240	.name = "smc91x-attrib",
	241	.start = 0x0e000000,
	242	.end = 0x0e0fffff,
	243	.flags = IORESOURCE_MEM,
	244	},
	245	};
	246
3aed74cd EM	247	static struct smc91x_platdata lubbock_smc91x_info = {
	248	.flags = SMC91X_USE_16BIT \| SMC91X_NOWAIT \| SMC91X_IO_SHIFT_2,
	249	};
	250
1da177e4 LT	251	static struct platform_device smc91x_device = {
	252	.name = "smc91x",
	253	.id = -1,
	254	.num_resources = ARRAY_SIZE(smc91x_resources),
	255	.resource = smc91x_resources,
3aed74cd EM	256	.dev = {
	257	.platform_data = &lubbock_smc91x_info,
	258	},
1da177e4 LT	259	};
1da177e4 LT	260
74ec71e1 TP	261	static struct resource flash_resources[] = {
	262	[0] = {
	263	.start = 0x00000000,
	264	.end = SZ_64M - 1,
	265	.flags = IORESOURCE_MEM,
	266	},
	267	[1] = {
	268	.start = 0x04000000,
	269	.end = 0x04000000 + SZ_64M - 1,
	270	.flags = IORESOURCE_MEM,
	271	},
	272	};
	273
	274	static struct mtd_partition lubbock_partitions[] = {
	275	{
	276	.name = "Bootloader",
	277	.size = 0x00040000,
	278	.offset = 0,
	279	.mask_flags = MTD_WRITEABLE /* force read-only */
	280	},{
	281	.name = "Kernel",
	282	.size = 0x00100000,
	283	.offset = 0x00040000,
	284	},{
	285	.name = "Filesystem",
	286	.size = MTDPART_SIZ_FULL,
	287	.offset = 0x00140000
	288	}
	289	};
	290
	291	static struct flash_platform_data lubbock_flash_data[2] = {
	292	{
	293	.map_name = "cfi_probe",
	294	.parts = lubbock_partitions,
	295	.nr_parts = ARRAY_SIZE(lubbock_partitions),
	296	}, {
	297	.map_name = "cfi_probe",
	298	.parts = NULL,
	299	.nr_parts = 0,
	300	}
	301	};
	302
	303	static struct platform_device lubbock_flash_device[2] = {
	304	{
	305	.name = "pxa2xx-flash",
	306	.id = 0,
	307	.dev = {
	308	.platform_data = &lubbock_flash_data[0],
	309	},
	310	.resource = &flash_resources[0],
	311	.num_resources = 1,
	312	},
	313	{
	314	.name = "pxa2xx-flash",
	315	.id = 1,
	316	.dev = {
	317	.platform_data = &lubbock_flash_data[1],
	318	},
	319	.resource = &flash_resources[1],
	320	.num_resources = 1,
	321	},
	322	};
	323
fc9e38c0 RJ	324	static struct resource lubbock_cplds_resources[] = {
	325	[0] = {
	326	.start = LUBBOCK_FPGA_PHYS + 0xc0,
	327	.end = LUBBOCK_FPGA_PHYS + 0xe0 - 1,
	328	.flags = IORESOURCE_MEM,
	329	},
	330	[1] = {
	331	.start = PXA_GPIO_TO_IRQ(0),
	332	.end = PXA_GPIO_TO_IRQ(0),
	333	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE,
	334	},
	335	[2] = {
	336	.start = LUBBOCK_IRQ(0),
	337	.end = LUBBOCK_IRQ(6),
	338	.flags = IORESOURCE_IRQ,
	339	},
	340	};
	341
	342	static struct platform_device lubbock_cplds_device = {
	343	.name = "pxa_cplds_irqs",
	344	.id = -1,
	345	.resource = &lubbock_cplds_resources[0],
	346	.num_resources = 3,
	347	};
	348
	349
1da177e4 LT	350	static struct platform_device *devices[] __initdata = {
	351	&sa1111_device,
	352	&smc91x_device,
74ec71e1 TP	353	&lubbock_flash_device[0],
74ec71e1 TP	354	&lubbock_flash_device[1],
fc9e38c0	355	&lubbock_cplds_device,
1da177e4 LT	356	};
1da177e4 LT	357
d14b272b	358	static struct pxafb_mode_info sharp_lm8v31_mode = {
1da177e4 LT	359	.pixclock = 270000,
	360	.xres = 640,
	361	.yres = 480,
	362	.bpp = 16,
	363	.hsync_len = 1,
	364	.left_margin = 3,
	365	.right_margin = 3,
	366	.vsync_len = 1,
	367	.upper_margin = 0,
	368	.lower_margin = 0,
	369	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	370	.cmap_greyscale = 0,
d14b272b RP	371	};
	372
	373	static struct pxafb_mach_info sharp_lm8v31 = {
	374	.modes = &sharp_lm8v31_mode,
	375	.num_modes = 1,
1da177e4 LT	376	.cmap_inverse = 0,
1da177e4 LT	377	.cmap_static = 0,
0454bd09	378	.lcd_conn = LCD_COLOR_DSTN_16BPP \| LCD_PCLK_EDGE_FALL \|
ffebabe0	379	LCD_AC_BIAS_FREQ(255),
1da177e4 LT	380	};
1da177e4 LT	381
85eb226c DB	382	#define MMC_POLL_RATE msecs_to_jiffies(1000)
	383
	384	static void lubbock_mmc_poll(unsigned long);
40220c1a	385	static irq_handler_t mmc_detect_int;
85eb226c DB	386
	387	static struct timer_list mmc_timer = {
	388	.function = lubbock_mmc_poll,
	389	};
	390
	391	static void lubbock_mmc_poll(unsigned long data)
	392	{
	393	unsigned long flags;
	394
	395	/* clear any previous irq state, then ... */
	396	local_irq_save(flags);
	397	LUB_IRQ_SET_CLR &= ~(1 << 0);
	398	local_irq_restore(flags);
	399
	400	/* poll until mmc/sd card is removed */
	401	if (LUB_IRQ_SET_CLR & (1 << 0))
	402	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	403	else {
2326eb98	404	(void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
85eb226c DB	405	enable_irq(LUBBOCK_SD_IRQ);
	406	}
	407	}
	408
0cd61b68	409	static irqreturn_t lubbock_detect_int(int irq, void *data)
85eb226c DB	410	{
	411	/* IRQ is level triggered; disable, and poll for removal */
	412	disable_irq(irq);
	413	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	414
0cd61b68	415	return mmc_detect_int(irq, data);
85eb226c DB	416	}
	417
	418	static int lubbock_mci_init(struct device *dev,
40220c1a	419	irq_handler_t detect_int,
85eb226c	420	void *data)
1da177e4	421	{
85eb226c DB	422	/* detect card insert/eject */
	423	mmc_detect_int = detect_int;
	424	init_timer(&mmc_timer);
	425	mmc_timer.data = (unsigned long) data;
	426	return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
14673764	427	0, "lubbock-sd-detect", data);
85eb226c DB	428	}
	429
	430	static int lubbock_mci_get_ro(struct device *dev)
	431	{
	432	return (LUB_MISC_RD & (1 << 2)) != 0;
	433	}
	434
	435	static void lubbock_mci_exit(struct device dev, void data)
	436	{
	437	free_irq(LUBBOCK_SD_IRQ, data);
	438	del_timer_sync(&mmc_timer);
1da177e4 LT	439	}
	440
	441	static struct pxamci_platform_data lubbock_mci_platform_data = {
7a648256	442	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
f97cab28	443	.detect_delay_ms = 10,
7a648256 RJ	444	.init = lubbock_mci_init,
	445	.get_ro = lubbock_mci_get_ro,
	446	.exit = lubbock_mci_exit,
	447	.gpio_card_detect = -1,
	448	.gpio_card_ro = -1,
	449	.gpio_power = -1,
1da177e4 LT	450	};
1da177e4 LT	451
6f475c01 NP	452	static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
	453	{
	454	unsigned long flags;
	455
	456	local_irq_save(flags);
	457	if (mode & IR_SIRMODE) {
	458	LUB_MISC_WR &= ~(1 << 4);
	459	} else if (mode & IR_FIRMODE) {
	460	LUB_MISC_WR \|= 1 << 4;
	461	}
0fc3ff31	462	pxa2xx_transceiver_mode(dev, mode);
6f475c01 NP	463	local_irq_restore(flags);
	464	}
	465
	466	static struct pxaficp_platform_data lubbock_ficp_platform_data = {
c4bd0172 MV	467	.gpio_pwdown = -1,
	468	.transceiver_cap = IR_SIRMODE \| IR_FIRMODE,
	469	.transceiver_mode = lubbock_irda_transceiver_mode,
6f475c01 NP	470	};
6f475c01 NP	471
1da177e4 LT	472	static void __init lubbock_init(void)
1da177e4 LT	473	{
74ec71e1 TP	474	int flashboot = (LUB_CONF_SWITCHES & 1);
74ec71e1 TP	475
9b02b2df	476	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
9b02b2df	477
cc155c6f RK	478	pxa_set_ffuart_info(NULL);
	479	pxa_set_btuart_info(NULL);
	480	pxa_set_stuart_info(NULL);
	481
1a57c286 RK	482	lubbock_init_pcmcia();
1a57c286 RK	483
c1ed406c	484	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
1da177e4	485	pxa_set_udc_info(&udc_info);
4321e1a1	486	pxa_set_fb_info(NULL, &sharp_lm8v31);
1da177e4	487	pxa_set_mci_info(&lubbock_mci_platform_data);
6f475c01	488	pxa_set_ficp_info(&lubbock_ficp_platform_data);
9f19d638	489	pxa_set_ac97_info(NULL);
74ec71e1 TP	490
74ec71e1 TP	491	lubbock_flash_data[0].width = lubbock_flash_data[1].width =
ad68bb9f	492	(__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
74ec71e1 TP	493	/* Compensate for the nROMBT switch which swaps the flash banks */
	494	printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
	495	flashboot?"Flash":"ROM", flashboot);
	496
	497	lubbock_flash_data[flashboot^1].name = "application-flash";
	498	lubbock_flash_data[flashboot].name = "boot-rom";
1da177e4	499	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
9df5db80	500
e172274c	501	pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
9df5db80	502	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
1da177e4 LT	503	}
	504
	505	static struct map_desc lubbock_io_desc[] __initdata = {
6f9182eb DS	506	{ /* CPLD */
	507	.virtual = LUBBOCK_FPGA_VIRT,
	508	.pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
	509	.length = 0x00100000,
	510	.type = MT_DEVICE
	511	}
1da177e4 LT	512	};
	513
	514	static void __init lubbock_map_io(void)
	515	{
851982c1	516	pxa25x_map_io();
1da177e4 LT	517	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
1da177e4 LT	518
1da177e4 LT	519	PCFR \|= PCFR_OPDE;
	520	}
	521
55f5d8ec BW	522	/*
	523	* Driver for the 8 discrete LEDs available for general use:
	524	* Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
	525	* so be sure to not monkey with them here.
	526	*/
	527
	528	#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
	529	struct lubbock_led {
	530	struct led_classdev cdev;
	531	u8 mask;
	532	};
	533
	534	/*
	535	* The triggers lines up below will only be used if the
	536	* LED triggers are compiled in.
	537	*/
	538	static const struct {
	539	const char *name;
	540	const char *trigger;
	541	} lubbock_leds[] = {
	542	{ "lubbock:D28", "default-on", },
	543	{ "lubbock:D27", "cpu0", },
	544	{ "lubbock:D26", "heartbeat" },
	545	{ "lubbock:D25", },
	546	{ "lubbock:D24", },
	547	{ "lubbock:D23", },
	548	{ "lubbock:D22", },
	549	{ "lubbock:D21", },
	550	};
	551
	552	static void lubbock_led_set(struct led_classdev *cdev,
	553	enum led_brightness b)
	554	{
	555	struct lubbock_led *led = container_of(cdev,
	556	struct lubbock_led, cdev);
	557	u32 reg = LUB_DISC_BLNK_LED;
	558
	559	if (b != LED_OFF)
	560	reg \|= led->mask;
	561	else
	562	reg &= ~led->mask;
	563
	564	LUB_DISC_BLNK_LED = reg;
	565	}
	566
	567	static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
	568	{
	569	struct lubbock_led *led = container_of(cdev,
	570	struct lubbock_led, cdev);
	571	u32 reg = LUB_DISC_BLNK_LED;
	572
	573	return (reg & led->mask) ? LED_FULL : LED_OFF;
	574	}
	575
	576	static int __init lubbock_leds_init(void)
	577	{
	578	int i;
	579
	580	if (!machine_is_lubbock())
	581	return -ENODEV;
	582
	583	/* All ON */
	584	LUB_DISC_BLNK_LED \|= 0xff;
	585	for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
586	struct lubbock_led *led;
587
588	led = kzalloc(sizeof(*led), GFP_KERNEL);
589	if (!led)
590	break;
591
592	led->cdev.name = lubbock_leds[i].name;
593	led->cdev.brightness_set = lubbock_led_set;
594	led->cdev.brightness_get = lubbock_led_get;
595	led->cdev.default_trigger = lubbock_leds[i].trigger;
596	led->mask = BIT(i);
597
598	if (led_classdev_register(NULL, &led->cdev) < 0) {
599	kfree(led);
600	break;
601	}
602	}
603
604	return 0;
605	}
606
607	/*
608	* Since we may have triggers on any subsystem, defer registration
609	* until after subsystem_init.
610	*/
611	fs_initcall(lubbock_leds_init);
612	#endif
613
1da177e4	614	MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
e9dea0c6	615	/* Maintainer: MontaVista Software Inc. */
e9dea0c6	616	.map_io = lubbock_map_io,
6ac6b817	617	.nr_irqs = LUBBOCK_NR_IRQS,
fc9e38c0	618	.init_irq = pxa25x_init_irq,
8a97ae2f	619	.handle_irq = pxa25x_handle_irq,
6bb27d73	620	.init_time = pxa_timer_init,
e9dea0c6	621	.init_machine = lubbock_init,
271a74fc	622	.restart = pxa_restart,
1da177e4	623	MACHINE_END