arch/arm/mach-exynos4/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
  21 void 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 }