linux/arch/arm/mach-exynos4/setup-fimd0.c
Jonghun Han e61b170139 ARM: EXYNOS4: Add platform device and helper functions for FIMD
This patch adds platform device s5p_device_fimd0 for EXYNOS4 FIMD0.
EXYNOS4 has two FIMDs(FIMD0, FIMD1). FIMD1 will be added later.
Some definitions used to enable EXYNOS4 FIMD0 are added.

Signed-off-by: Jonghun Han <jonghun.han@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-07-21 17:28:51 +09:00

44 lines
1.1 KiB
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);
}