[net-next-2.6.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 <linux/gpio.h>

#include <linux/mmc/host.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-clock.h>

#include <mach/regs-gpio.h>
#include <mach/gpio-fns.h>
#include <mach/gpio-nrs.h>

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

#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pll.h>
#include <plat/pm.h>
#include <plat/mci.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_GPG(5),
	.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 h1940_device_leds = {
	.name             = "h1940-leds",
	.id               = -1,
};

static struct platform_device h1940_device_bluetooth = {
	.name             = "h1940-bt",
	.id               = -1,
};

static struct s3c24xx_mci_pdata h1940_mmc_cfg = {
	.gpio_detect   = S3C2410_GPF(5),
	.gpio_wprotect = S3C2410_GPH(8),
	.set_power     = NULL,
	.ocr_avail     = MMC_VDD_32_33,
};

static struct platform_device *h1940_devices[] __initdata = {
	&s3c_device_usb,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_usbgadget,
	&h1940_device_leds,
	&h1940_device_bluetooth,
	&s3c_device_sdi,
};

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
	s3c_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);
	s3c_i2c0_set_platdata(NULL);

	s3c_device_sdi.dev.platform_data = &h1940_mmc_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>
3909b9f7 AP	24	#include <linux/gpio.h>
	25
	26	#include <linux/mmc/host.h>
1da177e4 LT	27
	28	#include <asm/mach/arch.h>
	29	#include <asm/mach/map.h>
	30	#include <asm/mach/irq.h>
	31
a09e64fb	32	#include <mach/hardware.h>
1da177e4 LT	33	#include <asm/irq.h>
	34	#include <asm/mach-types.h>
	35
a2b7ba9c	36	#include <plat/regs-serial.h>
a09e64fb	37	#include <mach/regs-lcd.h>
a09e64fb	38	#include <mach/regs-clock.h>
f92273c1	39
3909b9f7 AP	40	#include <mach/regs-gpio.h>
	41	#include <mach/gpio-fns.h>
	42	#include <mach/gpio-nrs.h>
	43
a09e64fb RK	44	#include <mach/h1940.h>
	45	#include <mach/h1940-latch.h>
	46	#include <mach/fb.h>
57bd4b91	47	#include <plat/udc.h>
3e1b776c	48	#include <plat/iic.h>
1da177e4	49
d5120ae7	50	#include <plat/clock.h>
a2b7ba9c BD	51	#include <plat/devs.h>
a2b7ba9c BD	52	#include <plat/cpu.h>
e24b864a	53	#include <plat/pll.h>
a2b7ba9c	54	#include <plat/pm.h>
3909b9f7	55	#include <plat/mci.h>
1da177e4 LT	56
1da177e4 LT	57	static struct map_desc h1940_iodesc[] __initdata = {
e1981680 BD	58	[0] = {
	59	.virtual = (unsigned long)H1940_LATCH,
	60	.pfn = __phys_to_pfn(H1940_PA_LATCH),
	61	.length = SZ_16K,
	62	.type = MT_DEVICE
	63	},
1da177e4 LT	64	};
	65
	66	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	67	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	68	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	69
66a9b49a	70	static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4 LT	71	[0] = {
	72	.hwport = 0,
	73	.flags = 0,
	74	.ucon = 0x3c5,
	75	.ulcon = 0x03,
	76	.ufcon = 0x51,
	77	},
	78	[1] = {
	79	.hwport = 1,
	80	.flags = 0,
	81	.ucon = 0x245,
	82	.ulcon = 0x03,
	83	.ufcon = 0x00,
	84	},
	85	/* IR port */
	86	[2] = {
	87	.hwport = 2,
	88	.flags = 0,
	89	.uart_flags = UPF_CONS_FLOW,
	90	.ucon = 0x3c5,
	91	.ulcon = 0x43,
	92	.ufcon = 0x51,
	93	}
	94	};
	95
e1981680 BD	96	/* Board control latch control */
	97
	98	static unsigned int latch_state = H1940_LATCH_DEFAULT;
	99
	100	void h1940_latch_control(unsigned int clear, unsigned int set)
	101	{
	102	unsigned long flags;
	103
	104	local_irq_save(flags);
	105
	106	latch_state &= ~clear;
	107	latch_state \|= set;
	108
	109	__raw_writel(latch_state, H1940_LATCH);
	110
	111	local_irq_restore(flags);
	112	}
	113
	114	EXPORT_SYMBOL_GPL(h1940_latch_control);
1da177e4	115
71a9c424 AP	116	static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
	117	{
	118	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
	119
	120	switch (cmd)
	121	{
	122	case S3C2410_UDC_P_ENABLE :
	123	h1940_latch_control(0, H1940_LATCH_USB_DP);
	124	break;
	125	case S3C2410_UDC_P_DISABLE :
	126	h1940_latch_control(H1940_LATCH_USB_DP, 0);
	127	break;
	128	case S3C2410_UDC_P_RESET :
	129	break;
	130	default:
	131	break;
	132	}
	133	}
	134
	135	static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	136	.udc_command = h1940_udc_pullup,
070276d5	137	.vbus_pin = S3C2410_GPG(5),
71a9c424 AP	138	.vbus_pin_inverted = 1,
	139	};
	140
	141
f92273c1 AP	142	/**
	143	* Set lcd on or off
	144	**/
09fe75f6	145	static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573 KH	146	.lcdcon5= S3C2410_LCDCON5_FRM565 \| \
	147	S3C2410_LCDCON5_INVVLINE \| \
	148	S3C2410_LCDCON5_HWSWP,
09fe75f6	149
1f411537	150	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	151	.width = 240,
09fe75f6 KH	152	.height = 320,
69816699	153	.pixclock = 260000,
09fe75f6 KH	154	.xres = 240,
	155	.yres = 320,
	156	.bpp = 16,
1f411537 KH	157	.left_margin = 20,
1f411537 KH	158	.right_margin = 8,
93d11f5a	159	.hsync_len = 4,
5f20f69b KH	160	.upper_margin = 8,
5f20f69b KH	161	.lower_margin = 7,
93d11f5a	162	.vsync_len = 1,
09fe75f6 KH	163	};
	164
	165	static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6 KH	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
ff34aaa9	181	static struct platform_device h1940_device_leds = {
d2a76020 AP	182	.name = "h1940-leds",
	183	.id = -1,
	184	};
	185
ff34aaa9	186	static struct platform_device h1940_device_bluetooth = {
7fdc7849 AP	187	.name = "h1940-bt",
	188	.id = -1,
	189	};
	190
3909b9f7 AP	191	static struct s3c24xx_mci_pdata h1940_mmc_cfg = {
	192	.gpio_detect = S3C2410_GPF(5),
	193	.gpio_wprotect = S3C2410_GPH(8),
	194	.set_power = NULL,
	195	.ocr_avail = MMC_VDD_32_33,
	196	};
	197
1da177e4 LT	198	static struct platform_device *h1940_devices[] __initdata = {
	199	&s3c_device_usb,
	200	&s3c_device_lcd,
	201	&s3c_device_wdt,
3e1b776c	202	&s3c_device_i2c0,
1da177e4	203	&s3c_device_iis,
71a9c424	204	&s3c_device_usbgadget,
ff34aaa9 BD	205	&h1940_device_leds,
ff34aaa9 BD	206	&h1940_device_bluetooth,
3909b9f7	207	&s3c_device_sdi,
1da177e4 LT	208	};
1da177e4 LT	209
5fe10ab1	210	static void __init h1940_map_io(void)
1da177e4 LT	211	{
	212	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	213	s3c24xx_init_clocks(0);
	214	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c BD	215
	216	/* setup PM */
	217
b1dfe1f1	218	#ifdef CONFIG_PM_H1940
9073341c	219	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1	220	#endif
4e59c25d	221	s3c_pm_init();
1da177e4 LT	222	}
1da177e4 LT	223
5fe10ab1	224	static void __init h1940_init_irq(void)
1da177e4 LT	225	{
1da177e4 LT	226	s3c24xx_init_irq();
1da177e4 LT	227	}
1da177e4 LT	228
5fe10ab1	229	static void __init h1940_init(void)
f92273c1	230	{
71a9c424 AP	231	u32 tmp;
71a9c424 AP	232
09fe75f6	233	s3c24xx_fb_set_platdata(&h1940_fb_info);
71a9c424	234	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
3e1b776c	235	s3c_i2c0_set_platdata(NULL);
71a9c424	236
3909b9f7 AP	237	s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;
3909b9f7 AP	238
71a9c424 AP	239	/* Turn off suspend on both USB ports, and switch the
	240	* selectable USB port to USB device mode. */
	241
	242	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	243	S3C2410_MISCCR_USBSUSPND0 \|
	244	S3C2410_MISCCR_USBSUSPND1, 0x0);
	245
e24b864a BD	246	tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
	247	\| (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
	248	\| (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
71a9c424	249	writel(tmp, S3C2410_UPLLCON);
57e5171c BD	250
57e5171c BD	251	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
f92273c1 AP	252	}
f92273c1 AP	253
1da177e4	254	MACHINE_START(H1940, "IPAQ-H1940")
e9dea0c6	255	/* Maintainer: Ben Dooks <ben@fluff.org> */
e9dea0c6 RK	256	.phys_io = S3C2410_PA_UART,
	257	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	258	.boot_params = S3C2410_SDRAM_PA + 0x100,
	259	.map_io = h1940_map_io,
	260	.init_irq = h1940_init_irq,
71a9c424	261	.init_machine = h1940_init,
1da177e4 LT	262	.timer = &s3c24xx_timer,
1da177e4 LT	263	MACHINE_END