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https://github.com/brain-hackers/u-boot-brain
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283591f171
This is definitions of system registers and power mananagement registers for EXYNOS SoC. Signed-off-by: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (C) 2012 Samsung Electronics
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* Donghwa Lee <dh09.lee@samsung.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/system.h>
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static void exynos4_set_system_display(void)
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{
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struct exynos4_sysreg *sysreg =
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(struct exynos4_sysreg *)samsung_get_base_sysreg();
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unsigned int cfg = 0;
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/*
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* system register path set
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* 0: MIE/MDNIE
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* 1: FIMD Bypass
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*/
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cfg = readl(&sysreg->display_ctrl);
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cfg |= (1 << 1);
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writel(cfg, &sysreg->display_ctrl);
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}
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void set_system_display_ctrl(void)
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{
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if (cpu_is_exynos4())
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exynos4_set_system_display();
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}
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