[SPARC64]: Sun4v scratchpad register layout.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/asm-sparc64/scratchpad.h b/include/asm-sparc64/scratchpad.h
new file mode 100644 (file)
index 0000000..5e8b01f
--- /dev/null
+++ b/include/asm-sparc64/scratchpad.h
@@ -0,0 +1,14 @@
+#ifndef _SPARC64_SCRATCHPAD_H
+#define _SPARC64_SCRATCHPAD_H
+
+/* Sun4v scratchpad registers, accessed via ASI_SCRATCHPAD.  */
+
+#define SCRATCHPAD_MMU_MISS    0x00 /* Shared with OBP - set by OBP        */
+#define SCRATCHPAD_CPUID       0x08 /* Shared with OBP - set by hypervisor */
+#define SCRATCHPAD_UTSBREG1    0x10
+#define SCRATCHPAD_UTSBREG2    0x18
+       /* 0x20 and 0x28, hypervisor only... */
+#define SCRATCHPAD_UNUSED1     0x30
+#define SCRATCHPAD_UNUSED2     0x38 /* Reserved for OBP                    */
+
+#endif /* !(_SPARC64_SCRATCHPAD_H) */