[mirror_ubuntu-zesty-kernel.git] / arch / arm / mach-pxa / idp.c

/*
 *  linux/arch/arm/mach-pxa/idp.c
 *
 *  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.
 *
 *  Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
 *
 *  2001-09-13: Cliff Brake <cbrake@accelent.com>
 *              Initial code
 *
 *  2005-02-15: Cliff Brake <cliff.brake@gmail.com>
 *  		<http://www.vibren.com> <http://bec-systems.com>
 *              Updated for 2.6 kernel
 *
 */

#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/fb.h>

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

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include "pxa25x.h"
#include "idp.h"
#include <linux/platform_data/video-pxafb.h>
#include <mach/bitfield.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/smc91x.h>

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

/* TODO:
 * - add pxa2xx_audio_ops_t device structure
 * - Ethernet interrupt
 */

static unsigned long idp_pin_config[] __initdata = {
	/* LCD */
	GPIOxx_LCD_DSTN_16BPP,

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

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* MMC */
	GPIO6_MMC_CLK,
	GPIO8_MMC_CS0,

	/* Ethernet */
	GPIO33_nCS_5,	/* Ethernet CS */
	GPIO4_GPIO,	/* Ethernet IRQ */
};

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= (IDP_ETH_PHYS + 0x300),
		.end	= (IDP_ETH_PHYS + 0xfffff),
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= PXA_GPIO_TO_IRQ(4),
		.end	= PXA_GPIO_TO_IRQ(4),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

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

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
	.dev.platform_data = &smc91x_platdata,
};

static void idp_backlight_power(int on)
{
	if (on) {
		IDP_CPLD_LCD |= (1<<1);
	} else {
		IDP_CPLD_LCD &= ~(1<<1);
	}
}

static void idp_vlcd(int on)
{
	if (on) {
		IDP_CPLD_LCD |= (1<<2);
	} else {
		IDP_CPLD_LCD &= ~(1<<2);
	}
}

static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
{
	if (on) {
		IDP_CPLD_LCD |= (1<<0);
	} else {
		IDP_CPLD_LCD &= ~(1<<0);
	}

	/* call idp_vlcd for now as core driver does not support
	 * both power and vlcd hooks.  Note, this is not technically
	 * the correct sequence, but seems to work.  Disclaimer:
	 * this may eventually damage the display.
	 */

	idp_vlcd(on);
}

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),
	.pxafb_backlight_power = &idp_backlight_power,
	.pxafb_lcd_power = &idp_lcd_power
};

static struct pxamci_platform_data idp_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

static void __init idp_init(void)
{
	printk("idp_init()\n");

	pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	platform_device_register(&smc91x_device);
	//platform_device_register(&mst_audio_device);
	pxa_set_fb_info(NULL, &sharp_lm8v31);
	pxa_set_mci_info(&idp_mci_platform_data);
}

static struct map_desc idp_io_desc[] __initdata = {
  	{
		.virtual	=  IDP_COREVOLT_VIRT,
		.pfn		= __phys_to_pfn(IDP_COREVOLT_PHYS),
		.length		= IDP_COREVOLT_SIZE,
		.type		= MT_DEVICE
	}, {
		.virtual	=  IDP_CPLD_VIRT,
		.pfn		= __phys_to_pfn(IDP_CPLD_PHYS),
		.length		= IDP_CPLD_SIZE,
		.type		= MT_DEVICE
	}
};

static void __init idp_map_io(void)
{
	pxa25x_map_io();
	iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
}

/* LEDs */
#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
struct idp_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;
} idp_leds[] = {
	{ "idp:green", "heartbeat", },
	{ "idp:red", "cpu0", },
};

static void idp_led_set(struct led_classdev *cdev,
		enum led_brightness b)
{
	struct idp_led *led = container_of(cdev,
			struct idp_led, cdev);
	u32 reg = IDP_CPLD_LED_CONTROL;

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

	IDP_CPLD_LED_CONTROL = reg;
}

static enum led_brightness idp_led_get(struct led_classdev *cdev)
{
	struct idp_led *led = container_of(cdev,
			struct idp_led, cdev);

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

static int __init idp_leds_init(void)
{
	int i;

	if (!machine_is_pxa_idp())
		return -ENODEV;

	for (i = 0; i < ARRAY_SIZE(idp_leds); i++) {
		struct idp_led *led;

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

		led->cdev.name = idp_leds[i].name;
		led->cdev.brightness_set = idp_led_set;
		led->cdev.brightness_get = idp_led_get;
		led->cdev.default_trigger = idp_leds[i].trigger;

		if (i == 0)
			led->mask = IDP_HB_LED;
		else
			led->mask = IDP_BUSY_LED;

		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(idp_leds_init);
#endif

MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
	/* Maintainer: Vibren Technologies */
	.map_io		= idp_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa25x_init_irq,
	.handle_irq	= pxa25x_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= idp_init,
	.restart	= pxa_restart,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-pxa/idp.c
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*
	8	* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
	9	*
	10	* 2001-09-13: Cliff Brake <cbrake@accelent.com>
	11	* Initial code
	12	*
	13	* 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
	14	* <http://www.vibren.com> <http://bec-systems.com>
	15	* Updated for 2.6 kernel
	16	*
	17	*/
	18
	19	#include <linux/init.h>
	20	#include <linux/interrupt.h>
1623dee8	21	#include <linux/irq.h>
d052d1be	22	#include <linux/platform_device.h>
1da177e4 LT	23	#include <linux/fb.h>
	24
	25	#include <asm/setup.h>
	26	#include <asm/memory.h>
	27	#include <asm/mach-types.h>
a09e64fb	28	#include <mach/hardware.h>
1da177e4 LT	29	#include <asm/irq.h>
	30
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
	33
4c25c5d2 AB	34	#include "pxa25x.h"
4c25c5d2 AB	35	#include "idp.h"
293b2da1	36	#include <linux/platform_data/video-pxafb.h>
a09e64fb	37	#include <mach/bitfield.h>
293b2da1	38	#include <linux/platform_data/mmc-pxamci.h>
04b91701	39	#include <linux/smc91x.h>
1da177e4 LT	40
1da177e4 LT	41	#include "generic.h"
46c41e62	42	#include "devices.h"
1da177e4 LT	43
	44	/* TODO:
	45	* - add pxa2xx_audio_ops_t device structure
	46	* - Ethernet interrupt
	47	*/
	48
399ba626	49	static unsigned long idp_pin_config[] __initdata = {
bea95d2a	50	/* LCD */
07bae6c3	51	GPIOxx_LCD_DSTN_16BPP,
bea95d2a	52
399ba626 EM	53	/* BTUART */
	54	GPIO42_BTUART_RXD,
	55	GPIO43_BTUART_TXD,
	56	GPIO44_BTUART_CTS,
	57	GPIO45_BTUART_RTS,
	58
	59	/* STUART */
	60	GPIO46_STUART_RXD,
	61	GPIO47_STUART_TXD,
	62
	63	/* MMC */
	64	GPIO6_MMC_CLK,
	65	GPIO8_MMC_CS0,
	66
	67	/* Ethernet */
	68	GPIO33_nCS_5, /* Ethernet CS */
	69	GPIO4_GPIO, /* Ethernet IRQ */
	70	};
	71
1da177e4 LT	72	static struct resource smc91x_resources[] = {
	73	[0] = {
	74	.start = (IDP_ETH_PHYS + 0x300),
	75	.end = (IDP_ETH_PHYS + 0xfffff),
	76	.flags = IORESOURCE_MEM,
	77	},
	78	[1] = {
6384fdad HZ	79	.start = PXA_GPIO_TO_IRQ(4),
6384fdad HZ	80	.end = PXA_GPIO_TO_IRQ(4),
e7b3dc7e	81	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
1da177e4 LT	82	}
	83	};
	84
b70661c7	85	static struct smc91x_platdata smc91x_platdata = {
2fb04fdf RK	86	.flags = SMC91X_USE_8BIT \| SMC91X_USE_16BIT \| SMC91X_USE_32BIT \|
2fb04fdf RK	87	SMC91X_USE_DMA \| SMC91X_NOWAIT,
b70661c7 AB	88	};
b70661c7 AB	89
1da177e4 LT	90	static struct platform_device smc91x_device = {
	91	.name = "smc91x",
	92	.id = 0,
	93	.num_resources = ARRAY_SIZE(smc91x_resources),
	94	.resource = smc91x_resources,
b70661c7	95	.dev.platform_data = &smc91x_platdata,
1da177e4 LT	96	};
	97
	98	static void idp_backlight_power(int on)
	99	{
	100	if (on) {
	101	IDP_CPLD_LCD \|= (1<<1);
	102	} else {
	103	IDP_CPLD_LCD &= ~(1<<1);
	104	}
	105	}
	106
	107	static void idp_vlcd(int on)
	108	{
	109	if (on) {
	110	IDP_CPLD_LCD \|= (1<<2);
	111	} else {
	112	IDP_CPLD_LCD &= ~(1<<2);
	113	}
	114	}
	115
d14b272b	116	static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
1da177e4 LT	117	{
	118	if (on) {
	119	IDP_CPLD_LCD \|= (1<<0);
	120	} else {
	121	IDP_CPLD_LCD &= ~(1<<0);
	122	}
	123
	124	/* call idp_vlcd for now as core driver does not support
	125	* both power and vlcd hooks. Note, this is not technically
	126	* the correct sequence, but seems to work. Disclaimer:
	127	* this may eventually damage the display.
	128	*/
	129
	130	idp_vlcd(on);
	131	}
	132
d14b272b	133	static struct pxafb_mode_info sharp_lm8v31_mode = {
1da177e4 LT	134	.pixclock = 270000,
	135	.xres = 640,
	136	.yres = 480,
	137	.bpp = 16,
	138	.hsync_len = 1,
	139	.left_margin = 3,
	140	.right_margin = 3,
	141	.vsync_len = 1,
	142	.upper_margin = 0,
	143	.lower_margin = 0,
	144	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	145	.cmap_greyscale = 0,
d14b272b RP	146	};
	147
	148	static struct pxafb_mach_info sharp_lm8v31 = {
	149	.modes = &sharp_lm8v31_mode,
	150	.num_modes = 1,
1da177e4 LT	151	.cmap_inverse = 0,
1da177e4 LT	152	.cmap_static = 0,
bea95d2a EM	153	.lcd_conn = LCD_COLOR_DSTN_16BPP \| LCD_PCLK_EDGE_FALL \|
bea95d2a EM	154	LCD_AC_BIAS_FREQ(255),
1da177e4 LT	155	.pxafb_backlight_power = &idp_backlight_power,
	156	.pxafb_lcd_power = &idp_lcd_power
	157	};
	158
1da177e4	159	static struct pxamci_platform_data idp_mci_platform_data = {
7a648256 RJ	160	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
	161	.gpio_card_detect = -1,
	162	.gpio_card_ro = -1,
	163	.gpio_power = -1,
1da177e4 LT	164	};
	165
	166	static void __init idp_init(void)
	167	{
	168	printk("idp_init()\n");
	169
399ba626	170	pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
cc155c6f RK	171	pxa_set_ffuart_info(NULL);
	172	pxa_set_btuart_info(NULL);
	173	pxa_set_stuart_info(NULL);
399ba626	174
1da177e4 LT	175	platform_device_register(&smc91x_device);
1da177e4 LT	176	//platform_device_register(&mst_audio_device);
4321e1a1	177	pxa_set_fb_info(NULL, &sharp_lm8v31);
1da177e4 LT	178	pxa_set_mci_info(&idp_mci_platform_data);
	179	}
	180
1da177e4	181	static struct map_desc idp_io_desc[] __initdata = {
6f9182eb DS	182	{
	183	.virtual = IDP_COREVOLT_VIRT,
	184	.pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
	185	.length = IDP_COREVOLT_SIZE,
	186	.type = MT_DEVICE
	187	}, {
	188	.virtual = IDP_CPLD_VIRT,
	189	.pfn = __phys_to_pfn(IDP_CPLD_PHYS),
	190	.length = IDP_CPLD_SIZE,
	191	.type = MT_DEVICE
	192	}
1da177e4 LT	193	};
	194
	195	static void __init idp_map_io(void)
	196	{
851982c1	197	pxa25x_map_io();
1da177e4	198	iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
1da177e4 LT	199	}
1da177e4 LT	200
55f5d8ec BW	201	/* LEDs */
	202	#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
	203	struct idp_led {
	204	struct led_classdev cdev;
	205	u8 mask;
	206	};
	207
	208	/*
	209	* The triggers lines up below will only be used if the
	210	* LED triggers are compiled in.
	211	*/
	212	static const struct {
	213	const char *name;
	214	const char *trigger;
	215	} idp_leds[] = {
	216	{ "idp:green", "heartbeat", },
	217	{ "idp:red", "cpu0", },
	218	};
	219
	220	static void idp_led_set(struct led_classdev *cdev,
	221	enum led_brightness b)
	222	{
	223	struct idp_led *led = container_of(cdev,
	224	struct idp_led, cdev);
	225	u32 reg = IDP_CPLD_LED_CONTROL;
	226
	227	if (b != LED_OFF)
	228	reg &= ~led->mask;
	229	else
	230	reg \|= led->mask;
	231
	232	IDP_CPLD_LED_CONTROL = reg;
	233	}
	234
	235	static enum led_brightness idp_led_get(struct led_classdev *cdev)
	236	{
	237	struct idp_led *led = container_of(cdev,
	238	struct idp_led, cdev);
	239
	240	return (IDP_CPLD_LED_CONTROL & led->mask) ? LED_OFF : LED_FULL;
	241	}
	242
	243	static int __init idp_leds_init(void)
	244	{
	245	int i;
	246
	247	if (!machine_is_pxa_idp())
	248	return -ENODEV;
	249
	250	for (i = 0; i < ARRAY_SIZE(idp_leds); i++) {
	251	struct idp_led *led;
	252
	253	led = kzalloc(sizeof(*led), GFP_KERNEL);
	254	if (!led)
	255	break;
	256
	257	led->cdev.name = idp_leds[i].name;
	258	led->cdev.brightness_set = idp_led_set;
	259	led->cdev.brightness_get = idp_led_get;
	260	led->cdev.default_trigger = idp_leds[i].trigger;
	261
	262	if (i == 0)
	263	led->mask = IDP_HB_LED;
	264	else
265	led->mask = IDP_BUSY_LED;
266
267	if (led_classdev_register(NULL, &led->cdev) < 0) {
268	kfree(led);
269	break;
270	}
271	}
272
273	return 0;
274	}
275
276	/*
277	* Since we may have triggers on any subsystem, defer registration
278	* until after subsystem_init.
279	*/
280	fs_initcall(idp_leds_init);
281	#endif
1da177e4 LT	282
1da177e4 LT	283	MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
e9dea0c6	284	/* Maintainer: Vibren Technologies */
e9dea0c6	285	.map_io = idp_map_io,
4e611091	286	.nr_irqs = PXA_NR_IRQS,
b40c6762	287	.init_irq = pxa25x_init_irq,
8a97ae2f	288	.handle_irq = pxa25x_handle_irq,
6bb27d73	289	.init_time = pxa_timer_init,
e9dea0c6	290	.init_machine = idp_init,
271a74fc	291	.restart = pxa_restart,
1da177e4	292	MACHINE_END