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https://github.com/brain-hackers/u-boot-brain
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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>
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
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* (C) Copyright 2011
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* Ilya Yanok, EmCraft Systems
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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 <linux/types.h>
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#include <common.h>
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#ifndef CONFIG_SYS_DCACHE_OFF
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static inline void dcache_noop(void)
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{
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if (dcache_status()) {
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puts("WARNING: cache operations are not implemented!\n"
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"WARNING: disabling D-Cache now, you can re-enable it"
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"later with 'dcache on' command\n");
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dcache_disable();
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}
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}
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void invalidate_dcache_all(void)
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{
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dcache_noop();
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}
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void invalidate_dcache_range(unsigned long start, unsigned long stop)
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{
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dcache_noop();
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}
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void flush_dcache_range(unsigned long start, unsigned long stop)
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{
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dcache_noop();
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}
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#else /* #ifndef CONFIG_SYS_DCACHE_OFF */
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void invalidate_dcache_all(void)
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{
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}
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void flush_dcache_all(void)
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{
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}
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void invalidate_dcache_range(unsigned long start, unsigned long stop)
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{
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}
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void flush_dcache_range(unsigned long start, unsigned long stop)
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{
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}
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void flush_cache(unsigned long start, unsigned long size)
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{
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}
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#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
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/*
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* Stub implementations for l2 cache operations
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*/
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void __l2_cache_disable(void)
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{
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}
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void l2_cache_disable(void)
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__attribute__((weak, alias("__l2_cache_disable")));
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