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@@ -11,6 +11,7 @@
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#include <common.h>
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#include <asm/blackfin.h>
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+#include <asm/mach-common/bits/mpu.h>
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void flush_cache(unsigned long addr, unsigned long size)
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{
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@@ -24,3 +25,37 @@ void flush_cache(unsigned long addr, unsigned long size)
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if (dcache_status())
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blackfin_dcache_flush_range((void *)addr, (void *)(addr + size));
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}
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+
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+void icache_enable(void)
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+{
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+ bfin_write_IMEM_CONTROL(IMC | ENICPLB);
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+ SSYNC();
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+}
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+
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+void icache_disable(void)
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+{
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+ bfin_write_IMEM_CONTROL(0);
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+ SSYNC();
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+}
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+
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+int icache_status(void)
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+{
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+ return bfin_read_IMEM_CONTROL() & ENICPLB;
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+}
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+
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+void dcache_enable(void)
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+{
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+ bfin_write_DMEM_CONTROL(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
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+ SSYNC();
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+}
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+
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+void dcache_disable(void)
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+{
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+ bfin_write_DMEM_CONTROL(0);
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+ SSYNC();
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+}
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+
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+int dcache_status(void)
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+{
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+ return bfin_read_DMEM_CONTROL() & ENDCPLB;
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+}
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