Blackfin: unify cache handling code
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c
index c2f6e28..41e2a62 100644
--- a/lib_blackfin/cache.c
+++ b/lib_blackfin/cache.c
@@ -11,6 +11,7 @@
#include <common.h>
#include <asm/blackfin.h>
+#include <asm/mach-common/bits/mpu.h>
void flush_cache(unsigned long addr, unsigned long size)
{
@@ -24,3 +25,37 @@
if (dcache_status())
blackfin_dcache_flush_range((void *)addr, (void *)(addr + size));
}
+
+void icache_enable(void)
+{
+ bfin_write_IMEM_CONTROL(IMC | ENICPLB);
+ SSYNC();
+}
+
+void icache_disable(void)
+{
+ bfin_write_IMEM_CONTROL(0);
+ SSYNC();
+}
+
+int icache_status(void)
+{
+ return bfin_read_IMEM_CONTROL() & ENICPLB;
+}
+
+void dcache_enable(void)
+{
+ bfin_write_DMEM_CONTROL(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
+ SSYNC();
+}
+
+void dcache_disable(void)
+{
+ bfin_write_DMEM_CONTROL(0);
+ SSYNC();
+}
+
+int dcache_status(void)
+{
+ return bfin_read_DMEM_CONTROL() & ENDCPLB;
+}