Blackfin arch: Load P0 before storing through it
Fortunately this function is only used on old 533 revisions. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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@ -60,6 +60,9 @@ ENDPROC(_bfin_write_IMEM_CONTROL)
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#if defined(CONFIG_BLKFIN_DCACHE)
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#if defined(CONFIG_BLKFIN_DCACHE)
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ENTRY(_bfin_write_DMEM_CONTROL)
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ENTRY(_bfin_write_DMEM_CONTROL)
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P0.l = (DMEM_CONTROL & 0xFFFF);
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P0.h = (DMEM_CONTROL >> 16);
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CLI R1;
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CLI R1;
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SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
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SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
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.align 8;
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.align 8;
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