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https://github.com/brain-hackers/u-boot-brain
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70524883b0
WB cache use different instruction that WT cache but the major code is that same. That means that wdc.flush on system with WT cache do the same thing as before. You need newer toolchain with wdc.flush support. Signed-off-by: Michal Simek <monstr@monstr.eu>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* (C) Copyright 2004 Atmark Techno, Inc.
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*
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* Yasushi SHOJI <yashi@atmark-techno.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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void flush_cache (ulong addr, ulong size)
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{
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int i;
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for (i = 0; i < size; i += 4)
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asm volatile (
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#ifdef CONFIG_ICACHE
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"wic %0, r0;"
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#endif
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"nop;"
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#ifdef CONFIG_DCACHE
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"wdc.flush %0, r0;"
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#endif
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"nop;"
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:
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: "r" (addr + i)
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: "memory");
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}
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