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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-12-17 16:53:07 +0100
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-12-17 16:53:07 +0100
commitcb5473205206c7f14cbb1e747f28ec75b48826e2 (patch)
tree8f4808d60917100b18a10b05230f7638a0a9bbcc /lib_blackfin/cache.c
parentbaf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff)
parent92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff)
downloadolio-uboot-2014.01-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.xz
olio-uboot-2014.01-cb5473205206c7f14cbb1e747f28ec75b48826e2.zip
Merge branch 'fixes' into cleanups
Conflicts: board/atmel/atngw100/atngw100.c board/atmel/atstk1000/atstk1000.c cpu/at32ap/at32ap700x/gpio.c include/asm-avr32/arch-at32ap700x/clk.h include/configs/atngw100.h include/configs/atstk1002.h include/configs/atstk1003.h include/configs/atstk1004.h include/configs/atstk1006.h include/configs/favr-32-ezkit.h include/configs/hammerhead.h include/configs/mimc200.h
Diffstat (limited to 'lib_blackfin/cache.c')
-rw-r--r--lib_blackfin/cache.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c
index c2f6e2848..870c5bfba 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 @@ void flush_cache(unsigned long addr, unsigned long size)
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() & IMC;
+}
+
+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() & ACACHE_BCACHE;
+}