LXR linux/arch/arm/mach-exynos/setup-fimd0.c

   1/* linux/arch/arm/mach-exynos4/setup-fimd0.c
   2 *
   3 * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
   4 *             http://www.samsung.com
   5 *
   6 * Base Exynos4 FIMD 0 configuration
   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*/
  12
  13#include <linux/fb.h>
  14#include <linux/gpio.h>
  15
  16#include <plat/gpio-cfg.h>
  17#include <plat/regs-fb-v4.h>
  18
  19#include <mach/map.h>
  20
  21void exynos4_fimd0_gpio_setup_24bpp(void)
  22{
  23        unsigned int reg;
  24
  25        s3c_gpio_cfgrange_nopull(EXYNOS4_GPF0(0), 8, S3C_GPIO_SFN(2));
  26        s3c_gpio_cfgrange_nopull(EXYNOS4_GPF1(0), 8, S3C_GPIO_SFN(2));
  27        s3c_gpio_cfgrange_nopull(EXYNOS4_GPF2(0), 8, S3C_GPIO_SFN(2));
  28        s3c_gpio_cfgrange_nopull(EXYNOS4_GPF3(0), 4, S3C_GPIO_SFN(2));
  29
  30        /*
  31         * Set DISPLAY_CONTROL register for Display path selection.
  32         *
  33         * DISPLAY_CONTROL[1:0]
  34         * ---------------------
  35         *  00 | MIE
  36         *  01 | MDINE
  37         *  10 | FIMD : selected
  38         *  11 | FIMD
  39         */
  40        reg = __raw_readl(S3C_VA_SYS + 0x0210);
  41        reg |= (1 << 1);
  42        __raw_writel(reg, S3C_VA_SYS + 0x0210);
  43}
  44