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-rw-r--r--arch/sh/boot/compressed/cache.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sh/boot/compressed/cache.c b/arch/sh/boot/compressed/cache.c
new file mode 100644
index 000000000..31e04ff48
--- /dev/null
+++ b/arch/sh/boot/compressed/cache.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+int cache_control(unsigned int command)
+{
+ volatile unsigned int *p = (volatile unsigned int *) 0x80000000;
+ int i;
+
+ for (i = 0; i < (32 * 1024); i += 32) {
+ (void)*p;
+ p += (32 / sizeof(int));
+ }
+
+ return 0;
+}