linux-loongson/arch/arm/mach-s3c2416/mach-smdk2416.c

/* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
 *
 * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
 *	as part of OpenInkpot project
 * Copyright (c) 2009 Promwad Innovation Company
 *	Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
 *
 * 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/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/partitions.h>
#include <linux/gpio.h>
#include <linux/fb.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-gpio.h>
#include <mach/regs-lcd.h>

#include <mach/idle.h>
#include <mach/leds-gpio.h>
#include <plat/iic.h>

#include <plat/s3c2416.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/nand.h>

#include <plat/regs-fb-v4.h>
#include <plat/fb.h>

#include <plat/common-smdk.h>

static struct map_desc smdk2416_iodesc[] __initdata = {
	/* ISA IO Space map (memory space selected by A24) */

	{
		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
		.pfn		= __phys_to_pfn(S3C2410_CS2),
		.length		= 0x10000,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (u32)S3C24XX_VA_ISA_WORD + 0x10000,
		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
		.length		= SZ_4M,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
		.pfn		= __phys_to_pfn(S3C2410_CS2),
		.length		= 0x10000,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
		.length		= SZ_4M,
		.type		= MT_DEVICE,
	}
};

#define UCON (S3C2410_UCON_DEFAULT	| \
		S3C2440_UCON_PCLK	| \
		S3C2443_UCON_RXERR_IRQEN)

#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)

#define UFCON (S3C2410_UFCON_RXTRIG8	| \
		S3C2410_UFCON_FIFOMODE	| \
		S3C2440_UFCON_TXTRIG16)

static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	/* IR port */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON | 0x50,
		.ufcon	     = UFCON,
	}
};

struct s3c_fb_pd_win smdk2416_fb_win[] = {
	[0] = {
		/* think this is the same as the smdk6410 */
		.win_mode	= {
			.pixclock	= 41094,
			.left_margin	= 8,
			.right_margin	= 13,
			.upper_margin	= 7,
			.lower_margin	= 5,
			.hsync_len	= 3,
			.vsync_len	= 1,
			.xres           = 800,
			.yres           = 480,
		},
		.default_bpp	= 16,
		.max_bpp	= 32,
	},
};

static void s3c2416_fb_gpio_setup_24bpp(void)
{
	unsigned int gpio;

	for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
	}

	for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
	}

	for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
	}
}

static struct s3c_fb_platdata smdk2416_fb_platdata = {
	.win[0]		= &smdk2416_fb_win[0],
	.setup_gpio	= s3c2416_fb_gpio_setup_24bpp,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};

static struct platform_device *smdk2416_devices[] __initdata = {
	&s3c_device_fb,
	&s3c_device_wdt,
	&s3c_device_ohci,
	&s3c_device_i2c0,
	&s3c_device_hsmmc0,
	&s3c_device_hsmmc1,
};

static void __init smdk2416_map_io(void)
{
	s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
}

static void __init smdk2416_machine_init(void)
{
	s3c_i2c0_set_platdata(NULL);
	s3c_fb_set_platdata(&smdk2416_fb_platdata);

	gpio_request(S3C2410_GPB(4), "USBHost Power");
	gpio_direction_output(S3C2410_GPB(4), 1);

	gpio_request(S3C2410_GPB(3), "Display Power");
	gpio_direction_output(S3C2410_GPB(3), 1);

	gpio_request(S3C2410_GPB(1), "Display Reset");
	gpio_direction_output(S3C2410_GPB(1), 1);

	platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
	smdk_machine_init();
}

MACHINE_START(SMDK2416, "SMDK2416")
	/* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,

	.init_irq	= s3c24xx_init_irq,
	.map_io		= smdk2416_map_io,
	.init_machine	= smdk2416_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END