[linux-2.6-block.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 <linux/io.h>

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

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

#include <plat/regs-serial.h>
#include <mach/regs-lcd.h>
#include <mach/regs-gpio.h>
#include <mach/regs-clock.h>

#include <mach/h1940.h>
#include <mach/h1940-latch.h>
#include <mach/fb.h>
#include <plat/udc.h>

#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pll.h>
#include <plat/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 = {
	.lcdcon5=	S3C2410_LCDCON5_FRM565 | \
			S3C2410_LCDCON5_INVVLINE | \
			S3C2410_LCDCON5_HWSWP,

	.type =		S3C2410_LCDCON1_TFT,
	.width =	240,
	.height =	320,
	.pixclock =	260000,
	.xres =		240,
	.yres =		320,
	.bpp =		16,
	.left_margin =	20,
	.right_margin =	8,
	.hsync_len =	4,
	.upper_margin =	8,
	.lower_margin = 7,
	.vsync_len =	1,
};

static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
	.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 << S3C24XX_PLLCON_MDIVSHIFT)
	      | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
	      | (0x03 << S3C24XX_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>
fced80c7	23	#include <linux/io.h>
1da177e4 LT	24
	25	#include <asm/mach/arch.h>
	26	#include <asm/mach/map.h>
	27	#include <asm/mach/irq.h>
	28
a09e64fb	29	#include <mach/hardware.h>
1da177e4 LT	30	#include <asm/irq.h>
	31	#include <asm/mach-types.h>
	32
a2b7ba9c	33	#include <plat/regs-serial.h>
a09e64fb RK	34	#include <mach/regs-lcd.h>
	35	#include <mach/regs-gpio.h>
	36	#include <mach/regs-clock.h>
f92273c1	37
a09e64fb RK	38	#include <mach/h1940.h>
	39	#include <mach/h1940-latch.h>
	40	#include <mach/fb.h>
57bd4b91	41	#include <plat/udc.h>
1da177e4	42
d5120ae7	43	#include <plat/clock.h>
a2b7ba9c BD	44	#include <plat/devs.h>
a2b7ba9c BD	45	#include <plat/cpu.h>
e24b864a	46	#include <plat/pll.h>
a2b7ba9c	47	#include <plat/pm.h>
1da177e4 LT	48
1da177e4 LT	49	static struct map_desc h1940_iodesc[] __initdata = {
e1981680 BD	50	[0] = {
	51	.virtual = (unsigned long)H1940_LATCH,
	52	.pfn = __phys_to_pfn(H1940_PA_LATCH),
	53	.length = SZ_16K,
	54	.type = MT_DEVICE
	55	},
1da177e4 LT	56	};
	57
	58	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	59	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	60	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	61
66a9b49a	62	static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4 LT	63	[0] = {
	64	.hwport = 0,
	65	.flags = 0,
	66	.ucon = 0x3c5,
	67	.ulcon = 0x03,
	68	.ufcon = 0x51,
	69	},
	70	[1] = {
	71	.hwport = 1,
	72	.flags = 0,
	73	.ucon = 0x245,
	74	.ulcon = 0x03,
	75	.ufcon = 0x00,
	76	},
	77	/* IR port */
	78	[2] = {
	79	.hwport = 2,
	80	.flags = 0,
	81	.uart_flags = UPF_CONS_FLOW,
	82	.ucon = 0x3c5,
	83	.ulcon = 0x43,
	84	.ufcon = 0x51,
	85	}
	86	};
	87
e1981680 BD	88	/* Board control latch control */
	89
	90	static unsigned int latch_state = H1940_LATCH_DEFAULT;
	91
	92	void h1940_latch_control(unsigned int clear, unsigned int set)
	93	{
	94	unsigned long flags;
	95
	96	local_irq_save(flags);
	97
	98	latch_state &= ~clear;
	99	latch_state \|= set;
	100
	101	__raw_writel(latch_state, H1940_LATCH);
	102
	103	local_irq_restore(flags);
	104	}
	105
	106	EXPORT_SYMBOL_GPL(h1940_latch_control);
1da177e4	107
71a9c424 AP	108	static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
	109	{
	110	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
	111
	112	switch (cmd)
	113	{
	114	case S3C2410_UDC_P_ENABLE :
	115	h1940_latch_control(0, H1940_LATCH_USB_DP);
	116	break;
	117	case S3C2410_UDC_P_DISABLE :
	118	h1940_latch_control(H1940_LATCH_USB_DP, 0);
	119	break;
	120	case S3C2410_UDC_P_RESET :
	121	break;
	122	default:
	123	break;
	124	}
	125	}
	126
	127	static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	128	.udc_command = h1940_udc_pullup,
	129	.vbus_pin = S3C2410_GPG5,
	130	.vbus_pin_inverted = 1,
	131	};
	132
	133
f92273c1 AP	134	/**
	135	* Set lcd on or off
	136	**/
09fe75f6	137	static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573 KH	138	.lcdcon5= S3C2410_LCDCON5_FRM565 \| \
	139	S3C2410_LCDCON5_INVVLINE \| \
	140	S3C2410_LCDCON5_HWSWP,
09fe75f6	141
1f411537	142	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	143	.width = 240,
09fe75f6 KH	144	.height = 320,
69816699	145	.pixclock = 260000,
09fe75f6 KH	146	.xres = 240,
	147	.yres = 320,
	148	.bpp = 16,
1f411537 KH	149	.left_margin = 20,
1f411537 KH	150	.right_margin = 8,
93d11f5a	151	.hsync_len = 4,
5f20f69b KH	152	.upper_margin = 8,
5f20f69b KH	153	.lower_margin = 7,
93d11f5a	154	.vsync_len = 1,
09fe75f6 KH	155	};
	156
	157	static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6 KH	158	.displays = &h1940_lcd,
	159	.num_displays = 1,
	160	.default_display = 0,
	161
f92273c1 AP	162	.lpcsel= 0x02,
	163	.gpccon= 0xaa940659,
	164	.gpccon_mask= 0xffffffff,
	165	.gpcup= 0x0000ffff,
	166	.gpcup_mask= 0xffffffff,
	167	.gpdcon= 0xaa84aaa0,
	168	.gpdcon_mask= 0xffffffff,
	169	.gpdup= 0x0000faff,
	170	.gpdup_mask= 0xffffffff,
f92273c1	171	};
1da177e4	172
d2a76020 AP	173	static struct platform_device s3c_device_leds = {
	174	.name = "h1940-leds",
	175	.id = -1,
	176	};
	177
7fdc7849 AP	178	static struct platform_device s3c_device_bluetooth = {
	179	.name = "h1940-bt",
	180	.id = -1,
	181	};
	182
1da177e4 LT	183	static struct platform_device *h1940_devices[] __initdata = {
	184	&s3c_device_usb,
	185	&s3c_device_lcd,
	186	&s3c_device_wdt,
	187	&s3c_device_i2c,
	188	&s3c_device_iis,
71a9c424	189	&s3c_device_usbgadget,
d2a76020	190	&s3c_device_leds,
7fdc7849	191	&s3c_device_bluetooth,
1da177e4 LT	192	};
1da177e4 LT	193
5fe10ab1	194	static void __init h1940_map_io(void)
1da177e4 LT	195	{
	196	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	197	s3c24xx_init_clocks(0);
	198	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c BD	199
	200	/* setup PM */
	201
b1dfe1f1	202	#ifdef CONFIG_PM_H1940
9073341c	203	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1	204	#endif
9073341c	205	s3c2410_pm_init();
1da177e4 LT	206	}
1da177e4 LT	207
5fe10ab1	208	static void __init h1940_init_irq(void)
1da177e4 LT	209	{
1da177e4 LT	210	s3c24xx_init_irq();
1da177e4 LT	211	}
1da177e4 LT	212
5fe10ab1	213	static void __init h1940_init(void)
f92273c1	214	{
71a9c424 AP	215	u32 tmp;
71a9c424 AP	216
09fe75f6	217	s3c24xx_fb_set_platdata(&h1940_fb_info);
71a9c424 AP	218	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
	219
	220	/* Turn off suspend on both USB ports, and switch the
	221	* selectable USB port to USB device mode. */
	222
	223	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	224	S3C2410_MISCCR_USBSUSPND0 \|
	225	S3C2410_MISCCR_USBSUSPND1, 0x0);
	226
e24b864a BD	227	tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
	228	\| (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
	229	\| (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
71a9c424	230	writel(tmp, S3C2410_UPLLCON);
57e5171c BD	231
57e5171c BD	232	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
f92273c1 AP	233	}
f92273c1 AP	234
1da177e4	235	MACHINE_START(H1940, "IPAQ-H1940")
e9dea0c6	236	/* Maintainer: Ben Dooks <ben@fluff.org> */
e9dea0c6 RK	237	.phys_io = S3C2410_PA_UART,
	238	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	239	.boot_params = S3C2410_SDRAM_PA + 0x100,
	240	.map_io = h1940_map_io,
	241	.init_irq = h1940_init_irq,
71a9c424	242	.init_machine = h1940_init,
1da177e4 LT	243	.timer = &s3c24xx_timer,
1da177e4 LT	244	MACHINE_END