[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-pxa / mainstone.c

/*
 *  linux/arch/arm/mach-pxa/mainstone.c
 *
 *  Support for the Intel HCDDBBVA0 Development Platform.
 *  (go figure how they came up with such name...)
 *
 *  Author:	Nicolas Pitre
 *  Created:	Nov 05, 2002
 *  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/init.h>
#include <linux/platform_device.h>
#include <linux/syscore_ops.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/pwm_backlight.h>
#include <linux/smc91x.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/slab.h>
#include <linux/leds.h>

#include <asm/types.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 <mach/pxa27x.h>
#include <mach/mainstone.h>
#include <mach/audio.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include <mach/smemc.h>

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

static unsigned long mainstone_pin_config[] = {
	/* Chip Select */
	GPIO15_nCS_1,

	/* LCD - 16bpp Active TFT */
	GPIOxx_LCD_TFT_16BPP,
	GPIO16_PWM0_OUT,	/* Backlight */

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

	/* USB Host Port 1 */
	GPIO88_USBH1_PWR,
	GPIO89_USBH1_PEN,

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

	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO45_AC97_SYSCLK,

	/* Keypad */
	GPIO93_KP_DKIN_0,
	GPIO94_KP_DKIN_1,
	GPIO95_KP_DKIN_2,
	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
	GPIO97_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
	GPIO98_KP_MKIN_4	| WAKEUP_ON_LEVEL_HIGH,
	GPIO99_KP_MKIN_5	| WAKEUP_ON_LEVEL_HIGH,
	GPIO103_KP_MKOUT_0,
	GPIO104_KP_MKOUT_1,
	GPIO105_KP_MKOUT_2,
	GPIO106_KP_MKOUT_3,
	GPIO107_KP_MKOUT_4,
	GPIO108_KP_MKOUT_5,
	GPIO96_KP_MKOUT_6,

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* GPIO */
	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
};

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= (MST_ETH_PHYS + 0x300),
		.end	= (MST_ETH_PHYS + 0xfffff),
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= MAINSTONE_IRQ(3),
		.end	= MAINSTONE_IRQ(3),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

static struct smc91x_platdata mainstone_smc91x_info = {
	.flags	= SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
		  SMC91X_NOWAIT | SMC91X_USE_DMA,
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
	.dev		= {
		.platform_data = &mainstone_smc91x_info,
	},
};

static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
{
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
	return 0;
}

static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
{
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
}

static long mst_audio_suspend_mask;

static void mst_audio_suspend(void *priv)
{
	mst_audio_suspend_mask = MST_MSCWR2;
	MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
}

static void mst_audio_resume(void *priv)
{
	MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
}

static pxa2xx_audio_ops_t mst_audio_ops = {
	.startup	= mst_audio_startup,
	.shutdown	= mst_audio_shutdown,
	.suspend	= mst_audio_suspend,
	.resume		= mst_audio_resume,
};

static struct resource flash_resources[] = {
	[0] = {
		.start	= PXA_CS0_PHYS,
		.end	= PXA_CS0_PHYS + SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= PXA_CS1_PHYS,
		.end	= PXA_CS1_PHYS + SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct mtd_partition mainstoneflash0_partitions[] = {
	{
		.name =		"Bootloader",
		.size =		0x00040000,
		.offset =	0,
		.mask_flags =	MTD_WRITEABLE  /* force read-only */
	},{
		.name =		"Kernel",
		.size =		0x00400000,
		.offset =	0x00040000,
	},{
		.name =		"Filesystem",
		.size =		MTDPART_SIZ_FULL,
		.offset =	0x00440000
	}
};

static struct flash_platform_data mst_flash_data[2] = {
	{
		.map_name	= "cfi_probe",
		.parts		= mainstoneflash0_partitions,
		.nr_parts	= ARRAY_SIZE(mainstoneflash0_partitions),
	}, {
		.map_name	= "cfi_probe",
		.parts		= NULL,
		.nr_parts	= 0,
	}
};

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

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct platform_pwm_backlight_data mainstone_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 1023,
	.dft_brightness	= 1023,
	.pwm_period_ns	= 78770,
	.enable_gpio	= -1,
};

static struct platform_device mainstone_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent = &pxa27x_device_pwm0.dev,
		.platform_data = &mainstone_backlight_data,
	},
};

static void __init mainstone_backlight_register(void)
{
	int ret = platform_device_register(&mainstone_backlight_device);
	if (ret)
		printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
}
#else
#define mainstone_backlight_register()	do { } while (0)
#endif

static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
	.pixclock		= 50000,
	.xres			= 640,
	.yres			= 480,
	.bpp			= 16,
	.hsync_len		= 1,
	.left_margin		= 0x9f,
	.right_margin		= 1,
	.vsync_len		= 44,
	.upper_margin		= 0,
	.lower_margin		= 0,
	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
};

static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
	.pixclock		= 110000,
	.xres			= 240,
	.yres			= 320,
	.bpp			= 16,
	.hsync_len		= 4,
	.left_margin		= 8,
	.right_margin		= 20,
	.vsync_len		= 3,
	.upper_margin		= 1,
	.lower_margin		= 10,
	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
};

static struct pxafb_mach_info mainstone_pxafb_info = {
	.num_modes      	= 1,
	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};

static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
{
	int err;

	/* make sure SD/Memory Stick multiplexer's signals
	 * are routed to MMC controller
	 */
	MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;

	err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
			     "MMC card detect", data);
	if (err)
		printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");

	return err;
}

static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if (( 1 << vdd) & p_d->ocr_mask) {
		printk(KERN_DEBUG "%s: on\n", __func__);
		MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
		MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
	} else {
		printk(KERN_DEBUG "%s: off\n", __func__);
		MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
	}
	return 0;
}

static void mainstone_mci_exit(struct device *dev, void *data)
{
	free_irq(MAINSTONE_MMC_IRQ, data);
}

static struct pxamci_platform_data mainstone_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 			= mainstone_mci_init,
	.setpower 		= mainstone_mci_setpower,
	.exit			= mainstone_mci_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

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

	local_irq_save(flags);
	if (mode & IR_SIRMODE) {
		MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
	} else if (mode & IR_FIRMODE) {
		MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
	}
	pxa2xx_transceiver_mode(dev, mode);
	if (mode & IR_OFF) {
		MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
	} else {
		MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
	}
	local_irq_restore(flags);
}

static struct pxaficp_platform_data mainstone_ficp_platform_data = {
	.gpio_pwdown		= -1,
	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
	.transceiver_mode	= mainstone_irda_transceiver_mode,
};

static struct gpio_keys_button gpio_keys_button[] = {
	[0] = {
		.desc	= "wakeup",
		.code	= KEY_SUSPEND,
		.type	= EV_KEY,
		.gpio	= 1,
		.wakeup	= 1,
	},
};

static struct gpio_keys_platform_data mainstone_gpio_keys = {
	.buttons	= gpio_keys_button,
	.nbuttons	= 1,
};

static struct platform_device mst_gpio_keys_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &mainstone_gpio_keys,
	},
};

static struct resource mst_cplds_resources[] = {
	[0] = {
		.start	= MST_FPGA_PHYS + 0xc0,
		.end	= MST_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	= MAINSTONE_IRQ(0),
		.end	= MAINSTONE_IRQ(15),
		.flags	= IORESOURCE_IRQ,
	},
};

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

static struct platform_device *platform_devices[] __initdata = {
	&smc91x_device,
	&mst_flash_device[0],
	&mst_flash_device[1],
	&mst_gpio_keys_device,
	&mst_cplds_device,
};

static struct pxaohci_platform_data mainstone_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};

#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static const unsigned int mainstone_matrix_keys[] = {
	KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
	KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
	KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
	KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
	KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
	KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
	KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
	KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
	KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),

	KEY(0, 4, KEY_DOT),	/* . */
	KEY(1, 4, KEY_CLOSE),	/* @ */
	KEY(4, 4, KEY_SLASH),
	KEY(5, 4, KEY_BACKSLASH),
	KEY(0, 5, KEY_HOME),
	KEY(1, 5, KEY_LEFTSHIFT),
	KEY(2, 5, KEY_SPACE),
	KEY(3, 5, KEY_SPACE),
	KEY(4, 5, KEY_ENTER),
	KEY(5, 5, KEY_BACKSPACE),

	KEY(0, 6, KEY_UP),
	KEY(1, 6, KEY_DOWN),
	KEY(2, 6, KEY_LEFT),
	KEY(3, 6, KEY_RIGHT),
	KEY(4, 6, KEY_SELECT),
};

static struct matrix_keymap_data mainstone_matrix_keymap_data = {
	.keymap			= mainstone_matrix_keys,
	.keymap_size		= ARRAY_SIZE(mainstone_matrix_keys),
};

struct pxa27x_keypad_platform_data mainstone_keypad_info = {
	.matrix_key_rows	= 6,
	.matrix_key_cols	= 7,
	.matrix_keymap_data	= &mainstone_matrix_keymap_data,

	.enable_rotary0		= 1,
	.rotary0_up_key		= KEY_UP,
	.rotary0_down_key	= KEY_DOWN,

	.debounce_interval	= 30,
};

static void __init mainstone_init_keypad(void)
{
	pxa_set_keypad_info(&mainstone_keypad_info);
}
#else
static inline void mainstone_init_keypad(void) {}
#endif

static void __init mainstone_init(void)
{
	int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */

	pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));

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

	mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
	mst_flash_data[1].width = 4;

	/* Compensate for SW7 which swaps the flash banks */
	mst_flash_data[SW7].name = "processor-flash";
	mst_flash_data[SW7 ^ 1].name = "mainboard-flash";

	printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
	       mst_flash_data[0].name);

	/* system bus arbiter setting
	 * - Core_Park
	 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
	 */
	ARB_CNTRL = ARB_CORE_PARK | 0x234;

	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

	/* reading Mainstone's "Virtual Configuration Register"
	   might be handy to select LCD type here */
	if (0)
		mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
	else
		mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;

	pxa_set_fb_info(NULL, &mainstone_pxafb_info);
	mainstone_backlight_register();

	pxa_set_mci_info(&mainstone_mci_platform_data);
	pxa_set_ficp_info(&mainstone_ficp_platform_data);
	pxa_set_ohci_info(&mainstone_ohci_platform_data);
	pxa_set_i2c_info(NULL);
	pxa_set_ac97_info(&mst_audio_ops);

	mainstone_init_keypad();
}


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

static void __init mainstone_map_io(void)
{
	pxa27x_map_io();
	iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));

 	/*	for use I SRAM as framebuffer.	*/
 	PSLR |= 0xF04;
 	PCFR = 0x66;
}

/*
 * 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 mainstone_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;
} mainstone_leds[] = {
	{ "mainstone:D28", "default-on", },
	{ "mainstone:D27", "cpu0", },
	{ "mainstone:D26", "heartbeat" },
	{ "mainstone:D25", },
	{ "mainstone:D24", },
	{ "mainstone:D23", },
	{ "mainstone:D22", },
	{ "mainstone:D21", },
};

static void mainstone_led_set(struct led_classdev *cdev,
			      enum led_brightness b)
{
	struct mainstone_led *led = container_of(cdev,
					 struct mainstone_led, cdev);
	u32 reg = MST_LEDCTRL;

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

	MST_LEDCTRL = reg;
}

static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
{
	struct mainstone_led *led = container_of(cdev,
					 struct mainstone_led, cdev);
	u32 reg = MST_LEDCTRL;

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

static int __init mainstone_leds_init(void)
{
	int i;

	if (!machine_is_mainstone())
		return -ENODEV;

	/* All ON */
	MST_LEDCTRL |= 0xff;
	for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
		struct mainstone_led *led;

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

		led->cdev.name = mainstone_leds[i].name;
		led->cdev.brightness_set = mainstone_led_set;
		led->cdev.brightness_get = mainstone_led_get;
		led->cdev.default_trigger = mainstone_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(mainstone_leds_init);
#endif

MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
	/* Maintainer: MontaVista Software Inc. */
	.atag_offset	= 0x100,	/* BLOB boot parameter setting */
	.map_io		= mainstone_map_io,
	.nr_irqs	= MAINSTONE_NR_IRQS,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= mainstone_init,
	.restart	= pxa_restart,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-pxa/mainstone.c
	3	*
	4	* Support for the Intel HCDDBBVA0 Development Platform.
	5	* (go figure how they came up with such name...)
	6	*
	7	* Author: Nicolas Pitre
	8	* Created: Nov 05, 2002
	9	* Copyright: MontaVista Software Inc.
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
2f8163ba	15	#include <linux/gpio.h>
27768863	16	#include <linux/gpio/machine.h>
1da177e4	17	#include <linux/init.h>
d052d1be	18	#include <linux/platform_device.h>
2eaa03b5	19	#include <linux/syscore_ops.h>
1da177e4 LT	20	#include <linux/interrupt.h>
	21	#include <linux/sched.h>
	22	#include <linux/bitops.h>
	23	#include <linux/fb.h>
74ec71e1 TP	24	#include <linux/ioport.h>
	25	#include <linux/mtd/mtd.h>
	26	#include <linux/mtd/partitions.h>
450d2874	27	#include <linux/input.h>
450d2874	28	#include <linux/gpio_keys.h>
402e4909	29	#include <linux/pwm_backlight.h>
38fd6c38	30	#include <linux/smc91x.h>
b459396e	31	#include <linux/i2c/pxa-i2c.h>
55f5d8ec BW	32	#include <linux/slab.h>
55f5d8ec BW	33	#include <linux/leds.h>
1da177e4 LT	34
	35	#include <asm/types.h>
	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	47
51c62982	48	#include <mach/pxa27x.h>
a09e64fb RK	49	#include <mach/mainstone.h>
a09e64fb RK	50	#include <mach/audio.h>
293b2da1 AB	51	#include <linux/platform_data/video-pxafb.h>
	52	#include <linux/platform_data/mmc-pxamci.h>
	53	#include <linux/platform_data/irda-pxaficp.h>
	54	#include <linux/platform_data/usb-ohci-pxa27x.h>
	55	#include <linux/platform_data/keypad-pxa27x.h>
ad68bb9f	56	#include <mach/smemc.h>
1da177e4 LT	57
1da177e4 LT	58	#include "generic.h"
46c41e62	59	#include "devices.h"
1da177e4	60
fef06d27	61	static unsigned long mainstone_pin_config[] = {
	62	/* Chip Select */
	63	GPIO15_nCS_1,
	64
	65	/* LCD - 16bpp Active TFT */
bedbda97	66	GPIOxx_LCD_TFT_16BPP,
fef06d27	67	GPIO16_PWM0_OUT, /* Backlight */
	68
	69	/* MMC */
	70	GPIO32_MMC_CLK,
	71	GPIO112_MMC_CMD,
	72	GPIO92_MMC_DAT_0,
	73	GPIO109_MMC_DAT_1,
	74	GPIO110_MMC_DAT_2,
	75	GPIO111_MMC_DAT_3,
	76
	77	/* USB Host Port 1 */
	78	GPIO88_USBH1_PWR,
	79	GPIO89_USBH1_PEN,
	80
	81	/* PC Card */
	82	GPIO48_nPOE,
	83	GPIO49_nPWE,
	84	GPIO50_nPIOR,
	85	GPIO51_nPIOW,
	86	GPIO85_nPCE_1,
	87	GPIO54_nPCE_2,
	88	GPIO79_PSKTSEL,
	89	GPIO55_nPREG,
	90	GPIO56_nPWAIT,
	91	GPIO57_nIOIS16,
	92
	93	/* AC97 */
c11b6a42 EM	94	GPIO28_AC97_BITCLK,
	95	GPIO29_AC97_SDATA_IN_0,
	96	GPIO30_AC97_SDATA_OUT,
	97	GPIO31_AC97_SYNC,
fef06d27	98	GPIO45_AC97_SYSCLK,
	99
	100	/* Keypad */
b18773d5 EM	101	GPIO93_KP_DKIN_0,
	102	GPIO94_KP_DKIN_1,
	103	GPIO95_KP_DKIN_2,
fef06d27	104	GPIO100_KP_MKIN_0 \| WAKEUP_ON_LEVEL_HIGH,
	105	GPIO101_KP_MKIN_1 \| WAKEUP_ON_LEVEL_HIGH,
	106	GPIO102_KP_MKIN_2 \| WAKEUP_ON_LEVEL_HIGH,
	107	GPIO97_KP_MKIN_3 \| WAKEUP_ON_LEVEL_HIGH,
	108	GPIO98_KP_MKIN_4 \| WAKEUP_ON_LEVEL_HIGH,
	109	GPIO99_KP_MKIN_5 \| WAKEUP_ON_LEVEL_HIGH,
	110	GPIO103_KP_MKOUT_0,
	111	GPIO104_KP_MKOUT_1,
	112	GPIO105_KP_MKOUT_2,
	113	GPIO106_KP_MKOUT_3,
	114	GPIO107_KP_MKOUT_4,
	115	GPIO108_KP_MKOUT_5,
	116	GPIO96_KP_MKOUT_6,
	117
6f584cfa EM	118	/* I2C */
	119	GPIO117_I2C_SCL,
	120	GPIO118_I2C_SDA,
	121
fef06d27	122	/* GPIO */
	123	GPIO1_GPIO \| WAKEUP_ON_EDGE_BOTH,
	124	};
1da177e4	125
1da177e4 LT	126	static struct resource smc91x_resources[] = {
	127	[0] = {
	128	.start = (MST_ETH_PHYS + 0x300),
	129	.end = (MST_ETH_PHYS + 0xfffff),
	130	.flags = IORESOURCE_MEM,
	131	},
	132	[1] = {
	133	.start = MAINSTONE_IRQ(3),
	134	.end = MAINSTONE_IRQ(3),
e7b3dc7e	135	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
1da177e4 LT	136	}
	137	};
	138
38fd6c38 EM	139	static struct smc91x_platdata mainstone_smc91x_info = {
	140	.flags = SMC91X_USE_8BIT \| SMC91X_USE_16BIT \| SMC91X_USE_32BIT \|
	141	SMC91X_NOWAIT \| SMC91X_USE_DMA,
	142	};
	143
1da177e4 LT	144	static struct platform_device smc91x_device = {
	145	.name = "smc91x",
	146	.id = 0,
	147	.num_resources = ARRAY_SIZE(smc91x_resources),
	148	.resource = smc91x_resources,
38fd6c38 EM	149	.dev = {
	150	.platform_data = &mainstone_smc91x_info,
	151	},
1da177e4 LT	152	};
1da177e4 LT	153
f7cbb7fc	154	static int mst_audio_startup(struct snd_pcm_substream substream, void priv)
1da177e4 LT	155	{
	156	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	157	MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
	158	return 0;
	159	}
	160
f7cbb7fc	161	static void mst_audio_shutdown(struct snd_pcm_substream substream, void priv)
1da177e4 LT	162	{
	163	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	164	MST_MSCWR2 \|= MST_MSCWR2_AC97_SPKROFF;
	165	}
	166
	167	static long mst_audio_suspend_mask;
	168
	169	static void mst_audio_suspend(void *priv)
	170	{
	171	mst_audio_suspend_mask = MST_MSCWR2;
	172	MST_MSCWR2 \|= MST_MSCWR2_AC97_SPKROFF;
	173	}
	174
	175	static void mst_audio_resume(void *priv)
	176	{
	177	MST_MSCWR2 &= mst_audio_suspend_mask \| ~MST_MSCWR2_AC97_SPKROFF;
	178	}
	179
	180	static pxa2xx_audio_ops_t mst_audio_ops = {
	181	.startup = mst_audio_startup,
	182	.shutdown = mst_audio_shutdown,
	183	.suspend = mst_audio_suspend,
	184	.resume = mst_audio_resume,
	185	};
	186
74ec71e1 TP	187	static struct resource flash_resources[] = {
	188	[0] = {
	189	.start = PXA_CS0_PHYS,
	190	.end = PXA_CS0_PHYS + SZ_64M - 1,
	191	.flags = IORESOURCE_MEM,
	192	},
	193	[1] = {
	194	.start = PXA_CS1_PHYS,
	195	.end = PXA_CS1_PHYS + SZ_64M - 1,
	196	.flags = IORESOURCE_MEM,
	197	},
	198	};
	199
	200	static struct mtd_partition mainstoneflash0_partitions[] = {
	201	{
	202	.name = "Bootloader",
	203	.size = 0x00040000,
	204	.offset = 0,
	205	.mask_flags = MTD_WRITEABLE /* force read-only */
	206	},{
	207	.name = "Kernel",
	208	.size = 0x00400000,
	209	.offset = 0x00040000,
	210	},{
	211	.name = "Filesystem",
	212	.size = MTDPART_SIZ_FULL,
	213	.offset = 0x00440000
	214	}
	215	};
	216
	217	static struct flash_platform_data mst_flash_data[2] = {
	218	{
	219	.map_name = "cfi_probe",
	220	.parts = mainstoneflash0_partitions,
	221	.nr_parts = ARRAY_SIZE(mainstoneflash0_partitions),
	222	}, {
	223	.map_name = "cfi_probe",
	224	.parts = NULL,
	225	.nr_parts = 0,
	226	}
	227	};
	228
	229	static struct platform_device mst_flash_device[2] = {
	230	{
	231	.name = "pxa2xx-flash",
	232	.id = 0,
	233	.dev = {
	234	.platform_data = &mst_flash_data[0],
	235	},
	236	.resource = &flash_resources[0],
	237	.num_resources = 1,
	238	},
	239	{
	240	.name = "pxa2xx-flash",
	241	.id = 1,
	242	.dev = {
	243	.platform_data = &mst_flash_data[1],
	244	},
	245	.resource = &flash_resources[1],
	246	.num_resources = 1,
	247	},
	248	};
	249
402e4909 RK	250	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	251	static struct platform_pwm_backlight_data mainstone_backlight_data = {
	252	.pwm_id = 0,
	253	.max_brightness = 1023,
	254	.dft_brightness = 1023,
	255	.pwm_period_ns = 78770,
db01120c	256	.enable_gpio = -1,
402e4909	257	};
3777f774	258
402e4909 RK	259	static struct platform_device mainstone_backlight_device = {
	260	.name = "pwm-backlight",
	261	.dev = {
	262	.parent = &pxa27x_device_pwm0.dev,
	263	.platform_data = &mainstone_backlight_data,
	264	},
3777f774 RK	265	};
	266
	267	static void __init mainstone_backlight_register(void)
	268	{
402e4909 RK	269	int ret = platform_device_register(&mainstone_backlight_device);
	270	if (ret)
	271	printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
1da177e4	272	}
3777f774 RK	273	#else
	274	#define mainstone_backlight_register() do { } while (0)
	275	#endif
1da177e4	276
d14b272b	277	static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
1da177e4 LT	278	.pixclock = 50000,
	279	.xres = 640,
	280	.yres = 480,
	281	.bpp = 16,
	282	.hsync_len = 1,
	283	.left_margin = 0x9f,
	284	.right_margin = 1,
	285	.vsync_len = 44,
	286	.upper_margin = 0,
	287	.lower_margin = 0,
	288	.sync = FB_SYNC_HOR_HIGH_ACT\|FB_SYNC_VERT_HIGH_ACT,
1da177e4 LT	289	};
1da177e4 LT	290
d14b272b	291	static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
1da177e4 LT	292	.pixclock = 110000,
	293	.xres = 240,
	294	.yres = 320,
	295	.bpp = 16,
	296	.hsync_len = 4,
	297	.left_margin = 8,
	298	.right_margin = 20,
	299	.vsync_len = 3,
	300	.upper_margin = 1,
	301	.lower_margin = 10,
	302	.sync = FB_SYNC_HOR_HIGH_ACT\|FB_SYNC_VERT_HIGH_ACT,
d14b272b RP	303	};
	304
	305	static struct pxafb_mach_info mainstone_pxafb_info = {
	306	.num_modes = 1,
0454bd09	307	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_PCLK_EDGE_FALL,
1da177e4 LT	308	};
1da177e4 LT	309
40220c1a	310	static int mainstone_mci_init(struct device dev, irq_handler_t mstone_detect_int, void data)
1da177e4 LT	311	{
	312	int err;
	313
1da177e4 LT	314	/* make sure SD/Memory Stick multiplexer's signals
	315	* are routed to MMC controller
	316	*/
	317	MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
	318
ed7936f9	319	err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
1da177e4	320	"MMC card detect", data);
2687bd38	321	if (err)
1da177e4	322	printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
1da177e4	323
2687bd38	324	return err;
1da177e4 LT	325	}
1da177e4 LT	326
a829abf8	327	static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
1da177e4 LT	328	{
	329	struct pxamci_platform_data* p_d = dev->platform_data;
	330
	331	if (( 1 << vdd) & p_d->ocr_mask) {
8e86f427	332	printk(KERN_DEBUG "%s: on\n", __func__);
1da177e4 LT	333	MST_MSCWR1 \|= MST_MSCWR1_MMC_ON;
	334	MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
	335	} else {
8e86f427	336	printk(KERN_DEBUG "%s: off\n", __func__);
1da177e4 LT	337	MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
1da177e4 LT	338	}
a829abf8	339	return 0;
1da177e4 LT	340	}
	341
	342	static void mainstone_mci_exit(struct device dev, void data)
	343	{
	344	free_irq(MAINSTONE_MMC_IRQ, data);
	345	}
	346
	347	static struct pxamci_platform_data mainstone_mci_platform_data = {
7a648256 RJ	348	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
	349	.init = mainstone_mci_init,
	350	.setpower = mainstone_mci_setpower,
	351	.exit = mainstone_mci_exit,
	352	.gpio_card_detect = -1,
	353	.gpio_card_ro = -1,
	354	.gpio_power = -1,
1da177e4 LT	355	};
1da177e4 LT	356
6f475c01 NP	357	static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
	358	{
	359	unsigned long flags;
	360
	361	local_irq_save(flags);
	362	if (mode & IR_SIRMODE) {
	363	MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
	364	} else if (mode & IR_FIRMODE) {
	365	MST_MSCWR1 \|= MST_MSCWR1_IRDA_FIR;
	366	}
0fc3ff31	367	pxa2xx_transceiver_mode(dev, mode);
6f475c01 NP	368	if (mode & IR_OFF) {
	369	MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) \| MST_MSCWR1_IRDA_OFF;
	370	} else {
	371	MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) \| MST_MSCWR1_IRDA_FULL;
	372	}
	373	local_irq_restore(flags);
	374	}
	375
	376	static struct pxaficp_platform_data mainstone_ficp_platform_data = {
c4bd0172 MV	377	.gpio_pwdown = -1,
	378	.transceiver_cap = IR_SIRMODE \| IR_FIRMODE \| IR_OFF,
	379	.transceiver_mode = mainstone_irda_transceiver_mode,
6f475c01 NP	380	};
6f475c01 NP	381
450d2874	382	static struct gpio_keys_button gpio_keys_button[] = {
	383	[0] = {
	384	.desc = "wakeup",
	385	.code = KEY_SUSPEND,
	386	.type = EV_KEY,
	387	.gpio = 1,
	388	.wakeup = 1,
	389	},
	390	};
	391
	392	static struct gpio_keys_platform_data mainstone_gpio_keys = {
	393	.buttons = gpio_keys_button,
	394	.nbuttons = 1,
	395	};
	396
	397	static struct platform_device mst_gpio_keys_device = {
	398	.name = "gpio-keys",
	399	.id = -1,
	400	.dev = {
	401	.platform_data = &mainstone_gpio_keys,
	402	},
	403	};
	404
27768863 RJ	405	static struct resource mst_cplds_resources[] = {
	406	[0] = {
	407	.start = MST_FPGA_PHYS + 0xc0,
	408	.end = MST_FPGA_PHYS + 0xe0 - 1,
	409	.flags = IORESOURCE_MEM,
	410	},
	411	[1] = {
	412	.start = PXA_GPIO_TO_IRQ(0),
	413	.end = PXA_GPIO_TO_IRQ(0),
	414	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE,
	415	},
	416	[2] = {
	417	.start = MAINSTONE_IRQ(0),
	418	.end = MAINSTONE_IRQ(15),
	419	.flags = IORESOURCE_IRQ,
	420	},
	421	};
	422
	423	static struct platform_device mst_cplds_device = {
	424	.name = "pxa_cplds_irqs",
	425	.id = -1,
	426	.resource = &mst_cplds_resources[0],
	427	.num_resources = 3,
	428	};
	429
74ec71e1 TP	430	static struct platform_device *platform_devices[] __initdata = {
74ec71e1 TP	431	&smc91x_device,
74ec71e1 TP	432	&mst_flash_device[0],
74ec71e1 TP	433	&mst_flash_device[1],
450d2874	434	&mst_gpio_keys_device,
27768863	435	&mst_cplds_device,
74ec71e1 TP	436	};
74ec71e1 TP	437
81f280e2 RP	438	static struct pxaohci_platform_data mainstone_ohci_platform_data = {
81f280e2 RP	439	.port_mode = PMM_PERPORT_MODE,
097b5334	440	.flags = ENABLE_PORT_ALL \| POWER_CONTROL_LOW \| POWER_SENSE_LOW,
81f280e2 RP	441	};
81f280e2 RP	442
36caeb4e	443	#if defined(CONFIG_KEYBOARD_PXA27x) \|\| defined(CONFIG_KEYBOARD_PXA27x_MODULE)
0a085a94	444	static const unsigned int mainstone_matrix_keys[] = {
55c26e40	445	KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
	446	KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
	447	KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
	448	KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
	449	KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
	450	KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
	451	KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
	452	KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
	453	KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
	454
	455	KEY(0, 4, KEY_DOT), /* . */
	456	KEY(1, 4, KEY_CLOSE), /* @ */
	457	KEY(4, 4, KEY_SLASH),
	458	KEY(5, 4, KEY_BACKSLASH),
	459	KEY(0, 5, KEY_HOME),
	460	KEY(1, 5, KEY_LEFTSHIFT),
	461	KEY(2, 5, KEY_SPACE),
	462	KEY(3, 5, KEY_SPACE),
	463	KEY(4, 5, KEY_ENTER),
	464	KEY(5, 5, KEY_BACKSPACE),
	465
	466	KEY(0, 6, KEY_UP),
	467	KEY(1, 6, KEY_DOWN),
	468	KEY(2, 6, KEY_LEFT),
	469	KEY(3, 6, KEY_RIGHT),
	470	KEY(4, 6, KEY_SELECT),
	471	};
	472
0a085a94 CX	473	static struct matrix_keymap_data mainstone_matrix_keymap_data = {
	474	.keymap = mainstone_matrix_keys,
	475	.keymap_size = ARRAY_SIZE(mainstone_matrix_keys),
	476	};
	477
55c26e40	478	struct pxa27x_keypad_platform_data mainstone_keypad_info = {
	479	.matrix_key_rows = 6,
	480	.matrix_key_cols = 7,
0a085a94	481	.matrix_keymap_data = &mainstone_matrix_keymap_data,
55c26e40	482
	483	.enable_rotary0 = 1,
	484	.rotary0_up_key = KEY_UP,
	485	.rotary0_down_key = KEY_DOWN,
	486
	487	.debounce_interval = 30,
	488	};
	489
	490	static void __init mainstone_init_keypad(void)
	491	{
	492	pxa_set_keypad_info(&mainstone_keypad_info);
	493	}
	494	#else
	495	static inline void mainstone_init_keypad(void) {}
	496	#endif
	497
1da177e4 LT	498	static void __init mainstone_init(void)
1da177e4 LT	499	{
74ec71e1 TP	500	int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
74ec71e1 TP	501
fef06d27	502	pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
fef06d27	503
cc155c6f RK	504	pxa_set_ffuart_info(NULL);
	505	pxa_set_btuart_info(NULL);
	506	pxa_set_stuart_info(NULL);
	507
ad68bb9f	508	mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
74ec71e1 TP	509	mst_flash_data[1].width = 4;
	510
	511	/* Compensate for SW7 which swaps the flash banks */
	512	mst_flash_data[SW7].name = "processor-flash";
	513	mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
	514
	515	printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
	516	mst_flash_data[0].name);
	517
5b2e98cd JH	518	/* system bus arbiter setting
	519	* - Core_Park
	520	* - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
	521	*/
	522	ARB_CNTRL = ARB_CORE_PARK \| 0x234;
	523
74ec71e1	524	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
1da177e4 LT	525
	526	/* reading Mainstone's "Virtual Configuration Register"
	527	might be handy to select LCD type here */
	528	if (0)
d14b272b	529	mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
1da177e4	530	else
d14b272b RP	531	mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
d14b272b RP	532
4321e1a1	533	pxa_set_fb_info(NULL, &mainstone_pxafb_info);
3777f774	534	mainstone_backlight_register();
1da177e4 LT	535
1da177e4 LT	536	pxa_set_mci_info(&mainstone_mci_platform_data);
6f475c01	537	pxa_set_ficp_info(&mainstone_ficp_platform_data);
81f280e2	538	pxa_set_ohci_info(&mainstone_ohci_platform_data);
835e7f1c	539	pxa_set_i2c_info(NULL);
9f19d638	540	pxa_set_ac97_info(&mst_audio_ops);
55c26e40	541
55c26e40	542	mainstone_init_keypad();
1da177e4 LT	543	}
	544
	545
	546	static struct map_desc mainstone_io_desc[] __initdata = {
6f9182eb DS	547	{ /* CPLD */
	548	.virtual = MST_FPGA_VIRT,
	549	.pfn = __phys_to_pfn(MST_FPGA_PHYS),
	550	.length = 0x00100000,
	551	.type = MT_DEVICE
	552	}
1da177e4 LT	553	};
	554
	555	static void __init mainstone_map_io(void)
	556	{
851982c1	557	pxa27x_map_io();
1da177e4 LT	558	iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
1da177e4 LT	559
8775420d TP	560	/* for use I SRAM as framebuffer. */
	561	PSLR \|= 0xF04;
	562	PCFR = 0x66;
1da177e4 LT	563	}
1da177e4 LT	564
55f5d8ec BW	565	/*
	566	* Driver for the 8 discrete LEDs available for general use:
	567	* Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
	568	* so be sure to not monkey with them here.
	569	*/
	570
	571	#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
	572	struct mainstone_led {
	573	struct led_classdev cdev;
	574	u8 mask;
	575	};
	576
	577	/*
	578	* The triggers lines up below will only be used if the
	579	* LED triggers are compiled in.
	580	*/
	581	static const struct {
	582	const char *name;
	583	const char *trigger;
	584	} mainstone_leds[] = {
	585	{ "mainstone:D28", "default-on", },
	586	{ "mainstone:D27", "cpu0", },
	587	{ "mainstone:D26", "heartbeat" },
	588	{ "mainstone:D25", },
	589	{ "mainstone:D24", },
	590	{ "mainstone:D23", },
	591	{ "mainstone:D22", },
	592	{ "mainstone:D21", },
	593	};
	594
	595	static void mainstone_led_set(struct led_classdev *cdev,
	596	enum led_brightness b)
	597	{
	598	struct mainstone_led *led = container_of(cdev,
	599	struct mainstone_led, cdev);
	600	u32 reg = MST_LEDCTRL;
	601
	602	if (b != LED_OFF)
	603	reg \|= led->mask;
	604	else
	605	reg &= ~led->mask;
	606
	607	MST_LEDCTRL = reg;
	608	}
	609
	610	static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
	611	{
	612	struct mainstone_led *led = container_of(cdev,
	613	struct mainstone_led, cdev);
	614	u32 reg = MST_LEDCTRL;
	615
	616	return (reg & led->mask) ? LED_FULL : LED_OFF;
	617	}
	618
	619	static int __init mainstone_leds_init(void)
	620	{
	621	int i;
	622
	623	if (!machine_is_mainstone())
	624	return -ENODEV;
	625
	626	/* All ON */
	627	MST_LEDCTRL \|= 0xff;
	628	for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
629	struct mainstone_led *led;
630
631	led = kzalloc(sizeof(*led), GFP_KERNEL);
632	if (!led)
633	break;
634
635	led->cdev.name = mainstone_leds[i].name;
636	led->cdev.brightness_set = mainstone_led_set;
637	led->cdev.brightness_get = mainstone_led_get;
638	led->cdev.default_trigger = mainstone_leds[i].trigger;
639	led->mask = BIT(i);
640
641	if (led_classdev_register(NULL, &led->cdev) < 0) {
642	kfree(led);
643	break;
644	}
645	}
646
647	return 0;
648	}
649
650	/*
651	* Since we may have triggers on any subsystem, defer registration
652	* until after subsystem_init.
653	*/
654	fs_initcall(mainstone_leds_init);
655	#endif
656
1da177e4	657	MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
e9dea0c6	658	/* Maintainer: MontaVista Software Inc. */
7375aba6	659	.atag_offset = 0x100, /* BLOB boot parameter setting */
e9dea0c6	660	.map_io = mainstone_map_io,
6ac6b817	661	.nr_irqs = MAINSTONE_NR_IRQS,
27768863	662	.init_irq = pxa27x_init_irq,
8a97ae2f	663	.handle_irq = pxa27x_handle_irq,
6bb27d73	664	.init_time = pxa_timer_init,
e9dea0c6	665	.init_machine = mainstone_init,
271a74fc	666	.restart = pxa_restart,
1da177e4	667	MACHINE_END