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https://source.denx.de/u-boot/u-boot.git
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399e5ae0d0
This patch adds support for the Samsung s5pc100 and s5pc110 SoCs. The s5pc1xx SoC is an ARM Cortex A8 processor. Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* Copyright (C) 2009 Samsung Electronics
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* Minkyu Kang <mk7.kang@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/cache.h>
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void l2_cache_enable(void)
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{
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unsigned long i;
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__asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
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__asm__ __volatile__("orr %0, %0, #0x2":"=r"(i));
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__asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
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}
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void l2_cache_disable(void)
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{
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unsigned long i;
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__asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
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__asm__ __volatile__("bic %0, %0, #0x2":"=r"(i));
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__asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
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}
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