Donghwa Lee | 283591f | 2012-04-05 19:36:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Samsung Electronics |
| 3 | * Donghwa Lee <dh09.lee@samsung.com> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <asm/io.h> |
| 26 | #include <asm/arch/system.h> |
| 27 | |
| 28 | static void exynos4_set_system_display(void) |
| 29 | { |
| 30 | struct exynos4_sysreg *sysreg = |
| 31 | (struct exynos4_sysreg *)samsung_get_base_sysreg(); |
| 32 | unsigned int cfg = 0; |
| 33 | |
| 34 | /* |
| 35 | * system register path set |
| 36 | * 0: MIE/MDNIE |
| 37 | * 1: FIMD Bypass |
| 38 | */ |
| 39 | cfg = readl(&sysreg->display_ctrl); |
| 40 | cfg |= (1 << 1); |
| 41 | writel(cfg, &sysreg->display_ctrl); |
| 42 | } |
| 43 | |
| 44 | void set_system_display_ctrl(void) |
| 45 | { |
| 46 | if (cpu_is_exynos4()) |
| 47 | exynos4_set_system_display(); |
| 48 | } |