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3c1fbd5184
rewrite blackfin_invalidate_entire_dcache() in C for easier management, better optimization, and so we take all SSYNC anomalies into account Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
25 lines
493 B
C
25 lines
493 B
C
/*
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* Blackfin cache control code (simpler control-style functions)
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*
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* Copyright 2004-2008 Analog Devices Inc.
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*
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* Enter bugs at http://blackfin.uclinux.org/
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <asm/blackfin.h>
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/* Invalidate the Entire Data cache by
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* clearing DMC[1:0] bits
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*/
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void blackfin_invalidate_entire_dcache(void)
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{
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u32 dmem = bfin_read_DMEM_CONTROL();
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SSYNC();
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bfin_write_DMEM_CONTROL(dmem & ~0xc);
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SSYNC();
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bfin_write_DMEM_CONTROL(dmem);
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SSYNC();
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}
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