[deliverable/linux.git] / arch / arm / mach-s3c2410 / mach-h1940.c

/* linux/arch/arm/mach-s3c2410/mach-h1940.c
 *
 * Copyright (c) 2003-2005 Simtec Electronics
 *   Ben Dooks <ben@simtec.co.uk>
 *
 * http://www.handhelds.org/projects/h1940.html
 *
 * 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/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>

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

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

#include <asm/plat-s3c/regs-serial.h>
#include <asm/arch/regs-lcd.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/regs-clock.h>

#include <asm/arch/h1940.h>
#include <asm/arch/h1940-latch.h>
#include <asm/arch/fb.h>
#include <asm/plat-s3c24xx/udc.h>

#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
#include <asm/plat-s3c24xx/pm.h>

static struct map_desc h1940_iodesc[] __initdata = {
	[0] = {
		.virtual	= (unsigned long)H1940_LATCH,
		.pfn		= __phys_to_pfn(H1940_PA_LATCH),
		.length		= SZ_16K,
		.type		= MT_DEVICE
	},
};

#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = 0x245,
		.ulcon	     = 0x03,
		.ufcon	     = 0x00,
	},
	/* IR port */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.uart_flags  = UPF_CONS_FLOW,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x43,
		.ufcon	     = 0x51,
	}
};

/* Board control latch control */

static unsigned int latch_state = H1940_LATCH_DEFAULT;

void h1940_latch_control(unsigned int clear, unsigned int set)
{
	unsigned long flags;

	local_irq_save(flags);

	latch_state &= ~clear;
	latch_state |= set;

	__raw_writel(latch_state, H1940_LATCH);

	local_irq_restore(flags);
}

EXPORT_SYMBOL_GPL(h1940_latch_control);

static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);

	switch (cmd)
	{
		case S3C2410_UDC_P_ENABLE :
			h1940_latch_control(0, H1940_LATCH_USB_DP);
			break;
		case S3C2410_UDC_P_DISABLE :
			h1940_latch_control(H1940_LATCH_USB_DP, 0);
			break;
		case S3C2410_UDC_P_RESET :
			break;
		default:
			break;
	}
}

static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	.udc_command		= h1940_udc_pullup,
	.vbus_pin		= S3C2410_GPG5,
	.vbus_pin_inverted	= 1,
};


/**
 * Set lcd on or off
 **/
static struct s3c2410fb_display h1940_lcd __initdata = {
	.lcdcon1=	S3C2410_LCDCON1_TFT16BPP | \
			S3C2410_LCDCON1_TFT | \
			S3C2410_LCDCON1_CLKVAL(0x0C),

	.lcdcon2=	S3C2410_LCDCON2_VBPD(7) | \
			S3C2410_LCDCON2_LINEVAL(319) | \
			S3C2410_LCDCON2_VFPD(6) | \
			S3C2410_LCDCON2_VSPW(0),

	.lcdcon4=	S3C2410_LCDCON4_MVAL(0) | \
			S3C2410_LCDCON4_HSPW(3),

	.lcdcon5=	S3C2410_LCDCON5_FRM565 | \
			S3C2410_LCDCON5_INVVLINE | \
			S3C2410_LCDCON5_HWSWP,

	.type =		S3C2410_LCDCON1_TFT,
	.width =	240,
	.height =	320,
	.xres =		240,
	.yres =		320,
	.bpp =		16,
	.left_margin =	20,
	.right_margin =	8,
};

static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
	.fixed_syncs =		1,

	.displays = &h1940_lcd,
	.num_displays = 1,
	.default_display = 0,

	.lpcsel=	0x02,
	.gpccon=	0xaa940659,
	.gpccon_mask=	0xffffffff,
	.gpcup=		0x0000ffff,
	.gpcup_mask=	0xffffffff,
	.gpdcon=	0xaa84aaa0,
	.gpdcon_mask=	0xffffffff,
	.gpdup=		0x0000faff,
	.gpdup_mask=	0xffffffff,
};

static struct platform_device s3c_device_leds = {
	.name             = "h1940-leds",
	.id               = -1,
};

static struct platform_device s3c_device_bluetooth = {
	.name             = "h1940-bt",
	.id               = -1,
};

static struct platform_device *h1940_devices[] __initdata = {
	&s3c_device_usb,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c,
	&s3c_device_iis,
	&s3c_device_usbgadget,
	&s3c_device_leds,
	&s3c_device_bluetooth,
};

static void __init h1940_map_io(void)
{
	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	s3c24xx_init_clocks(0);
	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));

	/* setup PM */

#ifdef CONFIG_PM_H1940
	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
#endif
	s3c2410_pm_init();
}

static void __init h1940_init_irq(void)
{
	s3c24xx_init_irq();
}

static void __init h1940_init(void)
{
	u32 tmp;

	s3c24xx_fb_set_platdata(&h1940_fb_info);
 	s3c24xx_udc_set_platdata(&h1940_udc_cfg);

	/* Turn off suspend on both USB ports, and switch the
	 * selectable USB port to USB device mode. */

	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
			      S3C2410_MISCCR_USBSUSPND0 |
			      S3C2410_MISCCR_USBSUSPND1, 0x0);

	tmp = (
		 0x78 << S3C2410_PLLCON_MDIVSHIFT)
	      | (0x02 << S3C2410_PLLCON_PDIVSHIFT)
	      | (0x03 << S3C2410_PLLCON_SDIVSHIFT);
	writel(tmp, S3C2410_UPLLCON);

	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
}

MACHINE_START(H1940, "IPAQ-H1940")
	/* Maintainer: Ben Dooks <ben@fluff.org> */
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.map_io		= h1940_map_io,
	.init_irq	= h1940_init_irq,
	.init_machine	= h1940_init,
	.timer		= &s3c24xx_timer,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/* linux/arch/arm/mach-s3c2410/mach-h1940.c
	2	*
	3	* Copyright (c) 2003-2005 Simtec Electronics
	4	* Ben Dooks <ben@simtec.co.uk>
	5	*
	6	* http://www.handhelds.org/projects/h1940.html
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
1da177e4 LT	12	*/
	13
	14	#include <linux/kernel.h>
	15	#include <linux/types.h>
	16	#include <linux/interrupt.h>
	17	#include <linux/list.h>
	18	#include <linux/timer.h>
	19	#include <linux/init.h>
333a42e1	20	#include <linux/sysdev.h>
b6d1f542	21	#include <linux/serial_core.h>
d052d1be	22	#include <linux/platform_device.h>
1da177e4 LT	23
	24	#include <asm/mach/arch.h>
	25	#include <asm/mach/map.h>
	26	#include <asm/mach/irq.h>
	27
	28	#include <asm/hardware.h>
1da177e4 LT	29	#include <asm/io.h>
	30	#include <asm/irq.h>
	31	#include <asm/mach-types.h>
	32
531b617c	33	#include <asm/plat-s3c/regs-serial.h>
f92273c1	34	#include <asm/arch/regs-lcd.h>
71a9c424 AP	35	#include <asm/arch/regs-gpio.h>
71a9c424 AP	36	#include <asm/arch/regs-clock.h>
f92273c1	37
9073341c	38	#include <asm/arch/h1940.h>
e1981680	39	#include <asm/arch/h1940-latch.h>
f92273c1	40	#include <asm/arch/fb.h>
06cfa556	41	#include <asm/plat-s3c24xx/udc.h>
1da177e4	42
a21765a7 BD	43	#include <asm/plat-s3c24xx/clock.h>
	44	#include <asm/plat-s3c24xx/devs.h>
	45	#include <asm/plat-s3c24xx/cpu.h>
	46	#include <asm/plat-s3c24xx/pm.h>
1da177e4 LT	47
1da177e4 LT	48	static struct map_desc h1940_iodesc[] __initdata = {
e1981680 BD	49	[0] = {
	50	.virtual = (unsigned long)H1940_LATCH,
	51	.pfn = __phys_to_pfn(H1940_PA_LATCH),
	52	.length = SZ_16K,
	53	.type = MT_DEVICE
	54	},
1da177e4 LT	55	};
	56
	57	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	58	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	59	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	60
66a9b49a	61	static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4 LT	62	[0] = {
	63	.hwport = 0,
	64	.flags = 0,
	65	.ucon = 0x3c5,
	66	.ulcon = 0x03,
	67	.ufcon = 0x51,
	68	},
	69	[1] = {
	70	.hwport = 1,
	71	.flags = 0,
	72	.ucon = 0x245,
	73	.ulcon = 0x03,
	74	.ufcon = 0x00,
	75	},
	76	/* IR port */
	77	[2] = {
	78	.hwport = 2,
	79	.flags = 0,
	80	.uart_flags = UPF_CONS_FLOW,
	81	.ucon = 0x3c5,
	82	.ulcon = 0x43,
	83	.ufcon = 0x51,
	84	}
	85	};
	86
e1981680 BD	87	/* Board control latch control */
	88
	89	static unsigned int latch_state = H1940_LATCH_DEFAULT;
	90
	91	void h1940_latch_control(unsigned int clear, unsigned int set)
	92	{
	93	unsigned long flags;
	94
	95	local_irq_save(flags);
	96
	97	latch_state &= ~clear;
	98	latch_state \|= set;
	99
	100	__raw_writel(latch_state, H1940_LATCH);
	101
	102	local_irq_restore(flags);
	103	}
	104
	105	EXPORT_SYMBOL_GPL(h1940_latch_control);
1da177e4	106
71a9c424 AP	107	static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
	108	{
	109	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
	110
	111	switch (cmd)
	112	{
	113	case S3C2410_UDC_P_ENABLE :
	114	h1940_latch_control(0, H1940_LATCH_USB_DP);
	115	break;
	116	case S3C2410_UDC_P_DISABLE :
	117	h1940_latch_control(H1940_LATCH_USB_DP, 0);
	118	break;
	119	case S3C2410_UDC_P_RESET :
	120	break;
	121	default:
	122	break;
	123	}
	124	}
	125
	126	static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	127	.udc_command = h1940_udc_pullup,
	128	.vbus_pin = S3C2410_GPG5,
	129	.vbus_pin_inverted = 1,
	130	};
	131
	132
f92273c1 AP	133	/**
	134	* Set lcd on or off
	135	**/
09fe75f6	136	static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573 KH	137	.lcdcon1= S3C2410_LCDCON1_TFT16BPP \| \
	138	S3C2410_LCDCON1_TFT \| \
	139	S3C2410_LCDCON1_CLKVAL(0x0C),
	140
	141	.lcdcon2= S3C2410_LCDCON2_VBPD(7) \| \
	142	S3C2410_LCDCON2_LINEVAL(319) \| \
	143	S3C2410_LCDCON2_VFPD(6) \| \
	144	S3C2410_LCDCON2_VSPW(0),
	145
	146	.lcdcon4= S3C2410_LCDCON4_MVAL(0) \| \
	147	S3C2410_LCDCON4_HSPW(3),
	148
	149	.lcdcon5= S3C2410_LCDCON5_FRM565 \| \
	150	S3C2410_LCDCON5_INVVLINE \| \
	151	S3C2410_LCDCON5_HWSWP,
09fe75f6	152
1f411537	153	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	154	.width = 240,
	155	.height = 320,
	156	.xres = 240,
	157	.yres = 320,
	158	.bpp = 16,
1f411537 KH	159	.left_margin = 20,
1f411537 KH	160	.right_margin = 8,
09fe75f6 KH	161	};
	162
	163	static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
	164	.fixed_syncs = 1,
	165
	166	.displays = &h1940_lcd,
	167	.num_displays = 1,
	168	.default_display = 0,
	169
f92273c1 AP	170	.lpcsel= 0x02,
	171	.gpccon= 0xaa940659,
	172	.gpccon_mask= 0xffffffff,
	173	.gpcup= 0x0000ffff,
	174	.gpcup_mask= 0xffffffff,
	175	.gpdcon= 0xaa84aaa0,
	176	.gpdcon_mask= 0xffffffff,
	177	.gpdup= 0x0000faff,
	178	.gpdup_mask= 0xffffffff,
f92273c1	179	};
1da177e4	180
d2a76020 AP	181	static struct platform_device s3c_device_leds = {
	182	.name = "h1940-leds",
	183	.id = -1,
	184	};
	185
7fdc7849 AP	186	static struct platform_device s3c_device_bluetooth = {
	187	.name = "h1940-bt",
	188	.id = -1,
	189	};
	190
1da177e4 LT	191	static struct platform_device *h1940_devices[] __initdata = {
	192	&s3c_device_usb,
	193	&s3c_device_lcd,
	194	&s3c_device_wdt,
	195	&s3c_device_i2c,
	196	&s3c_device_iis,
71a9c424	197	&s3c_device_usbgadget,
d2a76020	198	&s3c_device_leds,
7fdc7849	199	&s3c_device_bluetooth,
1da177e4 LT	200	};
1da177e4 LT	201
5fe10ab1	202	static void __init h1940_map_io(void)
1da177e4 LT	203	{
	204	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	205	s3c24xx_init_clocks(0);
	206	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c BD	207
	208	/* setup PM */
	209
b1dfe1f1	210	#ifdef CONFIG_PM_H1940
9073341c	211	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1	212	#endif
9073341c	213	s3c2410_pm_init();
1da177e4 LT	214	}
1da177e4 LT	215
5fe10ab1	216	static void __init h1940_init_irq(void)
1da177e4 LT	217	{
1da177e4 LT	218	s3c24xx_init_irq();
1da177e4 LT	219	}
1da177e4 LT	220
5fe10ab1	221	static void __init h1940_init(void)
f92273c1	222	{
71a9c424 AP	223	u32 tmp;
71a9c424 AP	224
09fe75f6	225	s3c24xx_fb_set_platdata(&h1940_fb_info);
71a9c424 AP	226	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
	227
	228	/* Turn off suspend on both USB ports, and switch the
	229	* selectable USB port to USB device mode. */
	230
	231	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	232	S3C2410_MISCCR_USBSUSPND0 \|
	233	S3C2410_MISCCR_USBSUSPND1, 0x0);
	234
	235	tmp = (
	236	0x78 << S3C2410_PLLCON_MDIVSHIFT)
	237	\| (0x02 << S3C2410_PLLCON_PDIVSHIFT)
	238	\| (0x03 << S3C2410_PLLCON_SDIVSHIFT);
	239	writel(tmp, S3C2410_UPLLCON);
57e5171c BD	240
57e5171c BD	241	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
f92273c1 AP	242	}
f92273c1 AP	243
1da177e4	244	MACHINE_START(H1940, "IPAQ-H1940")
e9dea0c6	245	/* Maintainer: Ben Dooks <ben@fluff.org> */
e9dea0c6 RK	246	.phys_io = S3C2410_PA_UART,
	247	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	248	.boot_params = S3C2410_SDRAM_PA + 0x100,
	249	.map_io = h1940_map_io,
	250	.init_irq = h1940_init_irq,
71a9c424	251	.init_machine = h1940_init,
1da177e4 LT	252	.timer = &s3c24xx_timer,
1da177e4 LT	253	MACHINE_END