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

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  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.
 */
#include <linux/clkdev.h>
#include <linux/gpio.h>
#include <linux/gpio/gpio-reg.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 <linux/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)

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

static struct gpio_chip *lubbock_misc_wr_gc;

void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
{
	unsigned long m = mask, v = set;
	lubbock_misc_wr_gc->set_multiple(lubbock_misc_wr_gc, &m, &v);
}
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
};

/* GPIOs for SA1111 PCMCIA */
static struct gpiod_lookup_table sa1111_pcmcia_gpio_table = {
	.dev_id = "1800",
	.table = {
		{ "sa1111", 0, "a0vpp", GPIO_ACTIVE_HIGH },
		{ "sa1111", 1, "a1vpp", GPIO_ACTIVE_HIGH },
		{ "sa1111", 2, "a0vcc", GPIO_ACTIVE_HIGH },
		{ "sa1111", 3, "a1vcc", GPIO_ACTIVE_HIGH },
		{ "lubbock", 14, "b0vcc", GPIO_ACTIVE_HIGH },
		{ "lubbock", 15, "b1vcc", GPIO_ACTIVE_HIGH },
		{ },
	},
};

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

	gpiod_add_lookup_table(&sa1111_pcmcia_gpio_table);

	/* 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_controller 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 irq_handler_t mmc_detect_int;
static void *mmc_detect_int_data;
static struct timer_list mmc_timer;

static void lubbock_mmc_poll(struct timer_list *unused)
{
	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, mmc_detect_int_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;
	mmc_detect_int_data = data;
	timer_setup(&mmc_timer, lubbock_mmc_poll, 0);
	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,
};

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

	local_irq_save(flags);
	if (mode & IR_SIRMODE) {
		lubbock_set_misc_wr(BIT(4), 0);
	} else if (mode & IR_FIRMODE) {
		lubbock_set_misc_wr(BIT(4), BIT(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));

	lubbock_misc_wr_gc = gpio_reg_init(NULL, (void *)&LUB_MISC_WR,
					   -1, 16, "lubbock", 0, LUB_MISC_WR,
					   NULL, NULL, NULL);
	if (IS_ERR(lubbock_misc_wr_gc)) {
		pr_err("Lubbock: unable to register lubbock GPIOs: %ld\n",
		       PTR_ERR(lubbock_misc_wr_gc));
		lubbock_misc_wr_gc = NULL;
	}

	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
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
1da177e4 LT	2	/*
	3	* linux/arch/arm/mach-pxa/lubbock.c
	4	*
	5	* Support for the Intel DBPXA250 Development Platform.
	6	*
	7	* Author: Nicolas Pitre
	8	* Created: Jun 15, 2001
	9	* Copyright: MontaVista Software Inc.
1da177e4	10	*/
2d34e507	11	#include <linux/clkdev.h>
2f8163ba	12	#include <linux/gpio.h>
9c666384	13	#include <linux/gpio/gpio-reg.h>
fc9e38c0	14	#include <linux/gpio/machine.h>
1da177e4 LT	15	#include <linux/module.h>
	16	#include <linux/kernel.h>
	17	#include <linux/init.h>
55f5d8ec	18	#include <linux/io.h>
d052d1be	19	#include <linux/platform_device.h>
2eaa03b5	20	#include <linux/syscore_ops.h>
1da177e4 LT	21	#include <linux/major.h>
	22	#include <linux/fb.h>
	23	#include <linux/interrupt.h>
74ec71e1 TP	24	#include <linux/mtd/mtd.h>
74ec71e1 TP	25	#include <linux/mtd/partitions.h>
3aed74cd	26	#include <linux/smc91x.h>
55f5d8ec BW	27	#include <linux/slab.h>
55f5d8ec BW	28	#include <linux/leds.h>
1da177e4	29
9df5db80 DB	30	#include <linux/spi/spi.h>
9df5db80 DB	31	#include <linux/spi/ads7846.h>
8348c259	32	#include <linux/spi/pxa2xx_spi.h>
9df5db80	33
1da177e4 LT	34	#include <asm/setup.h>
	35	#include <asm/memory.h>
	36	#include <asm/mach-types.h>
a09e64fb	37	#include <mach/hardware.h>
1da177e4	38	#include <asm/irq.h>
87dfb311	39	#include <linux/sizes.h>
1da177e4 LT	40
	41	#include <asm/mach/arch.h>
	42	#include <asm/mach/map.h>
	43	#include <asm/mach/irq.h>
74ec71e1	44	#include <asm/mach/flash.h>
1da177e4 LT	45
	46	#include <asm/hardware/sa1111.h>
	47
4c25c5d2	48	#include "pxa25x.h"
a09e64fb RK	49	#include <mach/audio.h>
a09e64fb RK	50	#include <mach/lubbock.h>
4c25c5d2	51	#include "udc.h"
293b2da1 AB	52	#include <linux/platform_data/irda-pxaficp.h>
	53	#include <linux/platform_data/video-pxafb.h>
	54	#include <linux/platform_data/mmc-pxamci.h>
4c25c5d2	55	#include "pm.h"
ad68bb9f	56	#include <mach/smemc.h>
1da177e4 LT	57
1da177e4 LT	58	#include "generic.h"
46c41e62	59	#include "devices.h"
1da177e4	60
9b02b2df	61	static unsigned long lubbock_pin_config[] __initdata = {
9b02b2df	62	GPIO15_nCS_1, /* CS1 - Flash */
4a5c5eab	63	GPIO78_nCS_2, /* CS2 - Baseboard FGPA */
9b02b2df	64	GPIO79_nCS_3, /* CS3 - SMC ethernet */
4a5c5eab	65	GPIO80_nCS_4, /* CS4 - SA1111 */
9b02b2df	66
	67	/* SSP data pins */
	68	GPIO23_SSP1_SCLK,
	69	GPIO25_SSP1_TXD,
	70	GPIO26_SSP1_RXD,
	71
c11b6a42 EM	72	/* AC97 */
	73	GPIO28_AC97_BITCLK,
	74	GPIO29_AC97_SDATA_IN_0,
	75	GPIO30_AC97_SDATA_OUT,
	76	GPIO31_AC97_SYNC,
	77
4a5c5eab	78	/* LCD - 16bpp DSTN */
07bae6c3	79	GPIOxx_LCD_DSTN_16BPP,
4a5c5eab	80
9b02b2df	81	/* BTUART */
	82	GPIO42_BTUART_RXD,
	83	GPIO43_BTUART_TXD,
	84	GPIO44_BTUART_CTS,
	85	GPIO45_BTUART_RTS,
	86
	87	/* PC Card */
	88	GPIO48_nPOE,
	89	GPIO49_nPWE,
	90	GPIO50_nPIOR,
	91	GPIO51_nPIOW,
	92	GPIO52_nPCE_1,
	93	GPIO53_nPCE_2,
	94	GPIO54_nPSKTSEL,
	95	GPIO55_nPREG,
	96	GPIO56_nPWAIT,
	97	GPIO57_nIOIS16,
	98
	99	/* MMC */
	100	GPIO6_MMC_CLK,
	101	GPIO8_MMC_CS0,
	102
70d64048 RJ	103	/* SA1111 chip */
	104	GPIO11_3_6MHz,
	105
9b02b2df	106	/* wakeup */
	107	GPIO1_GPIO \| WAKEUP_ON_EDGE_RISE,
	108	};
1da177e4	109
54386145	110	#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
1da177e4	111
54386145 EM	112	void lubbock_set_hexled(uint32_t value)
	113	{
	114	LUB_HEXLED = value;
	115	}
	116
9c666384 RK	117	static struct gpio_chip *lubbock_misc_wr_gc;
9c666384 RK	118
1da177e4 LT	119	void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
1da177e4 LT	120	{
9c666384 RK	121	unsigned long m = mask, v = set;
9c666384 RK	122	lubbock_misc_wr_gc->set_multiple(lubbock_misc_wr_gc, &m, &v);
1da177e4 LT	123	}
	124	EXPORT_SYMBOL(lubbock_set_misc_wr);
	125
1da177e4 LT	126	static int lubbock_udc_is_connected(void)
	127	{
	128	return (LUB_MISC_RD & (1 << 9)) == 0;
	129	}
	130
	131	static struct pxa2xx_udc_mach_info udc_info __initdata = {
	132	.udc_is_connected = lubbock_udc_is_connected,
	133	// no D+ pullup; lubbock can't connect/disconnect in software
	134	};
	135
f1f05ee1 RK	136	/* GPIOs for SA1111 PCMCIA */
	137	static struct gpiod_lookup_table sa1111_pcmcia_gpio_table = {
	138	.dev_id = "1800",
	139	.table = {
	140	{ "sa1111", 0, "a0vpp", GPIO_ACTIVE_HIGH },
	141	{ "sa1111", 1, "a1vpp", GPIO_ACTIVE_HIGH },
	142	{ "sa1111", 2, "a0vcc", GPIO_ACTIVE_HIGH },
	143	{ "sa1111", 3, "a1vcc", GPIO_ACTIVE_HIGH },
	144	{ "lubbock", 14, "b0vcc", GPIO_ACTIVE_HIGH },
	145	{ "lubbock", 15, "b1vcc", GPIO_ACTIVE_HIGH },
	146	{ },
	147	},
	148	};
	149
1a57c286 RK	150	static void lubbock_init_pcmcia(void)
	151	{
	152	struct clk *clk;
	153
f1f05ee1 RK	154	gpiod_add_lookup_table(&sa1111_pcmcia_gpio_table);
f1f05ee1 RK	155
1a57c286 RK	156	/* Add an alias for the SA1111 PCMCIA clock */
	157	clk = clk_get_sys("pxa2xx-pcmcia", NULL);
	158	if (!IS_ERR(clk)) {
	159	clkdev_create(clk, NULL, "1800");
	160	clk_put(clk);
	161	}
	162	}
	163
1da177e4 LT	164	static struct resource sa1111_resources[] = {
	165	[0] = {
	166	.start = 0x10000000,
	167	.end = 0x10001fff,
	168	.flags = IORESOURCE_MEM,
	169	},
	170	[1] = {
	171	.start = LUBBOCK_SA1111_IRQ,
	172	.end = LUBBOCK_SA1111_IRQ,
	173	.flags = IORESOURCE_IRQ,
	174	},
	175	};
	176
19851c58	177	static struct sa1111_platform_data sa1111_info = {
6ac6b817	178	.irq_base = LUBBOCK_SA1111_IRQ_BASE,
07be45f5	179	.disable_devs = SA1111_DEVID_SAC,
19851c58 EM	180	};
19851c58 EM	181
1da177e4 LT	182	static struct platform_device sa1111_device = {
	183	.name = "sa1111",
	184	.id = -1,
	185	.num_resources = ARRAY_SIZE(sa1111_resources),
	186	.resource = sa1111_resources,
19851c58 EM	187	.dev = {
	188	.platform_data = &sa1111_info,
	189	},
1da177e4 LT	190	};
1da177e4 LT	191
9df5db80 DB	192	/* ADS7846 is connected through SSP ... and if your board has J5 populated,
	193	* you can select it to replace the ucb1400 by switching the touchscreen cable
	194	* (to J5) and poking board registers (as done below). Else it's only useful
	195	* for the temperature sensors.
	196	*/
51eea52d	197	static struct pxa2xx_spi_controller pxa_ssp_master_info = {
1f4de5a0	198	.num_chipselect = 1,
9df5db80 DB	199	};
9df5db80 DB	200
9df5db80 DB	201	static int lubbock_ads7846_pendown_state(void)
	202	{
	203	/* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
	204	return 0;
	205	}
	206
	207	static struct ads7846_platform_data ads_info = {
	208	.model = 7846,
	209	.vref_delay_usecs = 100, /* internal, no cap */
	210	.get_pendown_state = lubbock_ads7846_pendown_state,
	211	// .x_plate_ohms = 500, /* GUESS! */
	212	// .y_plate_ohms = 500, /* GUESS! */
	213	};
	214
	215	static void ads7846_cs(u32 command)
	216	{
	217	static const unsigned TS_nCS = 1 << 11;
	218	lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
	219	}
	220
	221	static struct pxa2xx_spi_chip ads_hw = {
	222	.tx_threshold = 1,
	223	.rx_threshold = 2,
	224	.cs_control = ads7846_cs,
	225	};
	226
	227	static struct spi_board_info spi_board_info[] __initdata = { {
	228	.modalias = "ads7846",
	229	.platform_data = &ads_info,
	230	.controller_data = &ads_hw,
	231	.irq = LUBBOCK_BB_IRQ,
	232	.max_speed_hz = 120000 /* max sample rate at 3V */
	233	* 26 /* command + data + overhead */,
	234	.bus_num = 1,
	235	.chip_select = 0,
	236	},
	237	};
	238
e21e2d46 RK	239	static struct resource smc91x_resources[] = {
	240	[0] = {
	241	.name = "smc91x-regs",
	242	.start = 0x0c000c00,
	243	.end = 0x0c0fffff,
	244	.flags = IORESOURCE_MEM,
	245	},
	246	[1] = {
	247	.start = LUBBOCK_ETH_IRQ,
	248	.end = LUBBOCK_ETH_IRQ,
	249	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	250	},
	251	[2] = {
	252	.name = "smc91x-attrib",
	253	.start = 0x0e000000,
	254	.end = 0x0e0fffff,
	255	.flags = IORESOURCE_MEM,
	256	},
	257	};
	258
3aed74cd EM	259	static struct smc91x_platdata lubbock_smc91x_info = {
	260	.flags = SMC91X_USE_16BIT \| SMC91X_NOWAIT \| SMC91X_IO_SHIFT_2,
	261	};
	262
1da177e4 LT	263	static struct platform_device smc91x_device = {
	264	.name = "smc91x",
	265	.id = -1,
	266	.num_resources = ARRAY_SIZE(smc91x_resources),
	267	.resource = smc91x_resources,
3aed74cd EM	268	.dev = {
	269	.platform_data = &lubbock_smc91x_info,
	270	},
1da177e4 LT	271	};
1da177e4 LT	272
74ec71e1 TP	273	static struct resource flash_resources[] = {
	274	[0] = {
	275	.start = 0x00000000,
	276	.end = SZ_64M - 1,
	277	.flags = IORESOURCE_MEM,
	278	},
	279	[1] = {
	280	.start = 0x04000000,
	281	.end = 0x04000000 + SZ_64M - 1,
	282	.flags = IORESOURCE_MEM,
	283	},
	284	};
	285
	286	static struct mtd_partition lubbock_partitions[] = {
	287	{
	288	.name = "Bootloader",
	289	.size = 0x00040000,
	290	.offset = 0,
	291	.mask_flags = MTD_WRITEABLE /* force read-only */
	292	},{
	293	.name = "Kernel",
	294	.size = 0x00100000,
	295	.offset = 0x00040000,
	296	},{
	297	.name = "Filesystem",
	298	.size = MTDPART_SIZ_FULL,
	299	.offset = 0x00140000
	300	}
	301	};
	302
	303	static struct flash_platform_data lubbock_flash_data[2] = {
	304	{
	305	.map_name = "cfi_probe",
	306	.parts = lubbock_partitions,
	307	.nr_parts = ARRAY_SIZE(lubbock_partitions),
	308	}, {
	309	.map_name = "cfi_probe",
	310	.parts = NULL,
	311	.nr_parts = 0,
	312	}
	313	};
	314
	315	static struct platform_device lubbock_flash_device[2] = {
	316	{
	317	.name = "pxa2xx-flash",
	318	.id = 0,
	319	.dev = {
	320	.platform_data = &lubbock_flash_data[0],
	321	},
	322	.resource = &flash_resources[0],
	323	.num_resources = 1,
	324	},
	325	{
	326	.name = "pxa2xx-flash",
	327	.id = 1,
	328	.dev = {
	329	.platform_data = &lubbock_flash_data[1],
	330	},
	331	.resource = &flash_resources[1],
	332	.num_resources = 1,
	333	},
	334	};
	335
fc9e38c0 RJ	336	static struct resource lubbock_cplds_resources[] = {
	337	[0] = {
	338	.start = LUBBOCK_FPGA_PHYS + 0xc0,
	339	.end = LUBBOCK_FPGA_PHYS + 0xe0 - 1,
	340	.flags = IORESOURCE_MEM,
	341	},
	342	[1] = {
	343	.start = PXA_GPIO_TO_IRQ(0),
	344	.end = PXA_GPIO_TO_IRQ(0),
	345	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE,
	346	},
	347	[2] = {
	348	.start = LUBBOCK_IRQ(0),
	349	.end = LUBBOCK_IRQ(6),
	350	.flags = IORESOURCE_IRQ,
	351	},
	352	};
	353
	354	static struct platform_device lubbock_cplds_device = {
	355	.name = "pxa_cplds_irqs",
	356	.id = -1,
	357	.resource = &lubbock_cplds_resources[0],
	358	.num_resources = 3,
	359	};
	360
	361
1da177e4 LT	362	static struct platform_device *devices[] __initdata = {
	363	&sa1111_device,
	364	&smc91x_device,
74ec71e1 TP	365	&lubbock_flash_device[0],
74ec71e1 TP	366	&lubbock_flash_device[1],
fc9e38c0	367	&lubbock_cplds_device,
1da177e4 LT	368	};
1da177e4 LT	369
d14b272b	370	static struct pxafb_mode_info sharp_lm8v31_mode = {
1da177e4 LT	371	.pixclock = 270000,
	372	.xres = 640,
	373	.yres = 480,
	374	.bpp = 16,
	375	.hsync_len = 1,
	376	.left_margin = 3,
	377	.right_margin = 3,
	378	.vsync_len = 1,
	379	.upper_margin = 0,
	380	.lower_margin = 0,
	381	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	382	.cmap_greyscale = 0,
d14b272b RP	383	};
	384
	385	static struct pxafb_mach_info sharp_lm8v31 = {
	386	.modes = &sharp_lm8v31_mode,
	387	.num_modes = 1,
1da177e4 LT	388	.cmap_inverse = 0,
1da177e4 LT	389	.cmap_static = 0,
0454bd09	390	.lcd_conn = LCD_COLOR_DSTN_16BPP \| LCD_PCLK_EDGE_FALL \|
ffebabe0	391	LCD_AC_BIAS_FREQ(255),
1da177e4 LT	392	};
1da177e4 LT	393
85eb226c DB	394	#define MMC_POLL_RATE msecs_to_jiffies(1000)
85eb226c DB	395
40220c1a	396	static irq_handler_t mmc_detect_int;
96d13082 KC	397	static void *mmc_detect_int_data;
96d13082 KC	398	static struct timer_list mmc_timer;
85eb226c	399
96d13082	400	static void lubbock_mmc_poll(struct timer_list *unused)
85eb226c DB	401	{
	402	unsigned long flags;
	403
	404	/* clear any previous irq state, then ... */
	405	local_irq_save(flags);
	406	LUB_IRQ_SET_CLR &= ~(1 << 0);
	407	local_irq_restore(flags);
	408
	409	/* poll until mmc/sd card is removed */
	410	if (LUB_IRQ_SET_CLR & (1 << 0))
	411	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	412	else {
96d13082	413	(void) mmc_detect_int(LUBBOCK_SD_IRQ, mmc_detect_int_data);
85eb226c DB	414	enable_irq(LUBBOCK_SD_IRQ);
	415	}
	416	}
	417
0cd61b68	418	static irqreturn_t lubbock_detect_int(int irq, void *data)
85eb226c DB	419	{
	420	/* IRQ is level triggered; disable, and poll for removal */
	421	disable_irq(irq);
	422	mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
	423
0cd61b68	424	return mmc_detect_int(irq, data);
85eb226c DB	425	}
	426
	427	static int lubbock_mci_init(struct device *dev,
40220c1a	428	irq_handler_t detect_int,
85eb226c	429	void *data)
1da177e4	430	{
85eb226c DB	431	/* detect card insert/eject */
85eb226c DB	432	mmc_detect_int = detect_int;
96d13082 KC	433	mmc_detect_int_data = data;
96d13082 KC	434	timer_setup(&mmc_timer, lubbock_mmc_poll, 0);
85eb226c	435	return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
14673764	436	0, "lubbock-sd-detect", data);
85eb226c DB	437	}
	438
	439	static int lubbock_mci_get_ro(struct device *dev)
	440	{
	441	return (LUB_MISC_RD & (1 << 2)) != 0;
	442	}
	443
	444	static void lubbock_mci_exit(struct device dev, void data)
	445	{
	446	free_irq(LUBBOCK_SD_IRQ, data);
	447	del_timer_sync(&mmc_timer);
1da177e4 LT	448	}
	449
	450	static struct pxamci_platform_data lubbock_mci_platform_data = {
7a648256	451	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
f97cab28	452	.detect_delay_ms = 10,
7a648256 RJ	453	.init = lubbock_mci_init,
	454	.get_ro = lubbock_mci_get_ro,
	455	.exit = lubbock_mci_exit,
1da177e4 LT	456	};
1da177e4 LT	457
6f475c01 NP	458	static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
	459	{
	460	unsigned long flags;
	461
	462	local_irq_save(flags);
	463	if (mode & IR_SIRMODE) {
9c666384	464	lubbock_set_misc_wr(BIT(4), 0);
6f475c01	465	} else if (mode & IR_FIRMODE) {
9c666384	466	lubbock_set_misc_wr(BIT(4), BIT(4));
6f475c01	467	}
0fc3ff31	468	pxa2xx_transceiver_mode(dev, mode);
6f475c01 NP	469	local_irq_restore(flags);
	470	}
	471
	472	static struct pxaficp_platform_data lubbock_ficp_platform_data = {
c4bd0172 MV	473	.gpio_pwdown = -1,
	474	.transceiver_cap = IR_SIRMODE \| IR_FIRMODE,
	475	.transceiver_mode = lubbock_irda_transceiver_mode,
6f475c01 NP	476	};
6f475c01 NP	477
1da177e4 LT	478	static void __init lubbock_init(void)
1da177e4 LT	479	{
74ec71e1 TP	480	int flashboot = (LUB_CONF_SWITCHES & 1);
74ec71e1 TP	481
9b02b2df	482	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
9b02b2df	483
9c666384 RK	484	lubbock_misc_wr_gc = gpio_reg_init(NULL, (void *)&LUB_MISC_WR,
	485	-1, 16, "lubbock", 0, LUB_MISC_WR,
	486	NULL, NULL, NULL);
	487	if (IS_ERR(lubbock_misc_wr_gc)) {
	488	pr_err("Lubbock: unable to register lubbock GPIOs: %ld\n",
	489	PTR_ERR(lubbock_misc_wr_gc));
	490	lubbock_misc_wr_gc = NULL;
	491	}
	492
cc155c6f RK	493	pxa_set_ffuart_info(NULL);
	494	pxa_set_btuart_info(NULL);
	495	pxa_set_stuart_info(NULL);
	496
1a57c286 RK	497	lubbock_init_pcmcia();
1a57c286 RK	498
c1ed406c	499	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
1da177e4	500	pxa_set_udc_info(&udc_info);
4321e1a1	501	pxa_set_fb_info(NULL, &sharp_lm8v31);
1da177e4	502	pxa_set_mci_info(&lubbock_mci_platform_data);
6f475c01	503	pxa_set_ficp_info(&lubbock_ficp_platform_data);
9f19d638	504	pxa_set_ac97_info(NULL);
74ec71e1 TP	505
74ec71e1 TP	506	lubbock_flash_data[0].width = lubbock_flash_data[1].width =
ad68bb9f	507	(__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
74ec71e1 TP	508	/* Compensate for the nROMBT switch which swaps the flash banks */
	509	printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
	510	flashboot?"Flash":"ROM", flashboot);
	511
	512	lubbock_flash_data[flashboot^1].name = "application-flash";
	513	lubbock_flash_data[flashboot].name = "boot-rom";
1da177e4	514	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
9df5db80	515
e172274c	516	pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
9df5db80	517	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
1da177e4 LT	518	}
	519
	520	static struct map_desc lubbock_io_desc[] __initdata = {
6f9182eb DS	521	{ /* CPLD */
	522	.virtual = LUBBOCK_FPGA_VIRT,
	523	.pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
	524	.length = 0x00100000,
	525	.type = MT_DEVICE
	526	}
1da177e4 LT	527	};
	528
	529	static void __init lubbock_map_io(void)
	530	{
851982c1	531	pxa25x_map_io();
1da177e4 LT	532	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
1da177e4 LT	533
1da177e4 LT	534	PCFR \|= PCFR_OPDE;
	535	}
	536
55f5d8ec BW	537	/*
	538	* Driver for the 8 discrete LEDs available for general use:
	539	* Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
	540	* so be sure to not monkey with them here.
	541	*/
	542
	543	#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
	544	struct lubbock_led {
	545	struct led_classdev cdev;
	546	u8 mask;
	547	};
	548
	549	/*
	550	* The triggers lines up below will only be used if the
	551	* LED triggers are compiled in.
	552	*/
	553	static const struct {
	554	const char *name;
	555	const char *trigger;
	556	} lubbock_leds[] = {
	557	{ "lubbock:D28", "default-on", },
	558	{ "lubbock:D27", "cpu0", },
	559	{ "lubbock:D26", "heartbeat" },
	560	{ "lubbock:D25", },
	561	{ "lubbock:D24", },
	562	{ "lubbock:D23", },
	563	{ "lubbock:D22", },
	564	{ "lubbock:D21", },
	565	};
	566
	567	static void lubbock_led_set(struct led_classdev *cdev,
	568	enum led_brightness b)
	569	{
	570	struct lubbock_led *led = container_of(cdev,
	571	struct lubbock_led, cdev);
	572	u32 reg = LUB_DISC_BLNK_LED;
	573
	574	if (b != LED_OFF)
	575	reg \|= led->mask;
	576	else
	577	reg &= ~led->mask;
	578
	579	LUB_DISC_BLNK_LED = reg;
	580	}
	581
	582	static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
	583	{
	584	struct lubbock_led *led = container_of(cdev,
	585	struct lubbock_led, cdev);
	586	u32 reg = LUB_DISC_BLNK_LED;
	587
	588	return (reg & led->mask) ? LED_FULL : LED_OFF;
	589	}
	590
	591	static int __init lubbock_leds_init(void)
	592	{
	593	int i;
	594
	595	if (!machine_is_lubbock())
	596	return -ENODEV;
	597
	598	/* All ON */
	599	LUB_DISC_BLNK_LED \|= 0xff;
	600	for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
601	struct lubbock_led *led;
602
603	led = kzalloc(sizeof(*led), GFP_KERNEL);
604	if (!led)
605	break;
606
607	led->cdev.name = lubbock_leds[i].name;
608	led->cdev.brightness_set = lubbock_led_set;
609	led->cdev.brightness_get = lubbock_led_get;
610	led->cdev.default_trigger = lubbock_leds[i].trigger;
611	led->mask = BIT(i);
612
613	if (led_classdev_register(NULL, &led->cdev) < 0) {
614	kfree(led);
615	break;
616	}
617	}
618
619	return 0;
620	}
621
622	/*
623	* Since we may have triggers on any subsystem, defer registration
624	* until after subsystem_init.
625	*/
626	fs_initcall(lubbock_leds_init);
627	#endif
628
1da177e4	629	MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
e9dea0c6	630	/* Maintainer: MontaVista Software Inc. */
e9dea0c6	631	.map_io = lubbock_map_io,
6ac6b817	632	.nr_irqs = LUBBOCK_NR_IRQS,
fc9e38c0	633	.init_irq = pxa25x_init_irq,
8a97ae2f	634	.handle_irq = pxa25x_handle_irq,
6bb27d73	635	.init_time = pxa_timer_init,
e9dea0c6	636	.init_machine = lubbock_init,
271a74fc	637	.restart = pxa_restart,
1da177e4	638	MACHINE_END