summaryrefslogtreecommitdiffstats
path: root/arch/sh/include/asm/uncached.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/include/asm/uncached.h')
-rw-r--r--arch/sh/include/asm/uncached.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/sh/include/asm/uncached.h b/arch/sh/include/asm/uncached.h
new file mode 100644
index 00000000000..e3419f96626
--- /dev/null
+++ b/arch/sh/include/asm/uncached.h
@@ -0,0 +1,18 @@
+#ifndef __ASM_SH_UNCACHED_H
+#define __ASM_SH_UNCACHED_H
+
+#include <linux/bug.h>
+
+#ifdef CONFIG_UNCACHED_MAPPING
+extern unsigned long uncached_start, uncached_end;
+
+extern int virt_addr_uncached(unsigned long kaddr);
+extern void uncached_init(void);
+extern void uncached_resize(unsigned long size);
+#else
+#define virt_addr_uncached(kaddr) (0)
+#define uncached_init() do { } while (0)
+#define uncached_resize(size) BUG()
+#endif
+
+#endif /* __ASM_SH_UNCACHED_H */