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authorDavid S. Miller <davem@davemloft.net>2006-02-04 03:12:02 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 01:11:44 -0800
commit277b6dd9600613b01f66cadef2f0065514fecf69 (patch)
treef9e9f42f05b3204fe17778a999fecd9fa63b1e7e /include/asm-sparc64/scratchpad.h
parentd398ee230f94a8ba386d8abb63f4fea129e4eaba (diff)
[SPARC64]: Sun4v scratchpad register layout.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64/scratchpad.h')
-rw-r--r--include/asm-sparc64/scratchpad.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-sparc64/scratchpad.h b/include/asm-sparc64/scratchpad.h
new file mode 100644
index 000000000000..5e8b01fb3343
--- /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) */