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https://github.com/AsahiLinux/u-boot
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679530278d
The decompressor expects the L2 cache to be disabled. This fixes booting some kernels, which have CONFIG_ARM_PATCH_PHYS_VIRT enabled. Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Prafulla Wadaskar <prafulla@marvell.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Prafulla Wadaskar <prafulla@marvell.com> Cc: Wolfgang Denk <wd@denx.de>
34 lines
1 KiB
C
34 lines
1 KiB
C
/*
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* Copyright (c) 2012 Michael Walle
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* Michael Walle <michael@walle.cc>
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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.
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*/
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#include <common.h>
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#include <asm/arch/cpu.h>
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#define FEROCEON_EXTRA_FEATURE_L2C_EN (1<<22)
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void l2_cache_disable()
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{
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u32 ctrl;
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ctrl = readfr_extra_feature_reg();
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ctrl &= ~FEROCEON_EXTRA_FEATURE_L2C_EN;
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writefr_extra_feature_reg(ctrl);
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}
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