1. 根目录:
2. arch
3. arm
4. mach-exynos
5. setup-fimd0.c

/* linux/arch/arm/mach-exynos4/setup-fimd0.c
 *
 * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
 *             http://www.samsung.com
 *
 * Base Exynos4 FIMD 0 configuration
 *
 * 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/fb.h>
#include <linux/gpio.h>

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

#include <mach/map.h>

void exynos4_fimd0_gpio_setup_24bpp(void)
{
	unsigned int reg;

	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF0(0), 8, S3C_GPIO_SFN(2));
	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF1(0), 8, S3C_GPIO_SFN(2));
	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF2(0), 8, S3C_GPIO_SFN(2));
	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF3(0), 4, S3C_GPIO_SFN(2));

	/*
	 * Set DISPLAY_CONTROL register for Display path selection.
	 *
	 * DISPLAY_CONTROL[1:0]
	 * ---------------------
	 *  00 | MIE
	 *  01 | MDINE
	 *  10 | FIMD : selected
	 *  11 | FIMD
	 */
	reg = __raw_readl(S3C_VA_SYS + 0x0210);
	reg |= (1 << 1);
	__raw_writel(reg, S3C_VA_SYS + 0x0210);
}