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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/sparc/include/asm/tsunami.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/sparc/include/asm/tsunami.h')
-rw-r--r--arch/sparc/include/asm/tsunami.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/tsunami.h b/arch/sparc/include/asm/tsunami.h
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+++ b/arch/sparc/include/asm/tsunami.h
@@ -0,0 +1,64 @@
+/*
+ * tsunami.h: Module specific definitions for Tsunami V8 Sparcs
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC_TSUNAMI_H
+#define _SPARC_TSUNAMI_H
+
+#include <asm/asi.h>
+
+/* The MMU control register on the Tsunami:
+ *
+ * -----------------------------------------------------------------------
+ * | implvers |SW|AV|DV|MV| RSV |PC|ITD|ALC| RSV |PE| RC |IE|DE|RSV|NF|ME|
+ * -----------------------------------------------------------------------
+ * 31 24 23 22 21 20 19-18 17 16 14 13-12 11 10-9 8 7 6-2 1 0
+ *
+ * SW: Enable Software Table Walks 0=off 1=on
+ * AV: Address View bit
+ * DV: Data View bit
+ * MV: Memory View bit
+ * PC: Parity Control
+ * ITD: ITBR disable
+ * ALC: Alternate Cacheable
+ * PE: Parity Enable 0=off 1=on
+ * RC: Refresh Control
+ * IE: Instruction cache Enable 0=off 1=on
+ * DE: Data cache Enable 0=off 1=on
+ * NF: No Fault, same as all other SRMMUs
+ * ME: MMU Enable, same as all other SRMMUs
+ */
+
+#define TSUNAMI_SW 0x00800000
+#define TSUNAMI_AV 0x00400000
+#define TSUNAMI_DV 0x00200000
+#define TSUNAMI_MV 0x00100000
+#define TSUNAMI_PC 0x00020000
+#define TSUNAMI_ITD 0x00010000
+#define TSUNAMI_ALC 0x00008000
+#define TSUNAMI_PE 0x00001000
+#define TSUNAMI_RCMASK 0x00000C00
+#define TSUNAMI_IENAB 0x00000200
+#define TSUNAMI_DENAB 0x00000100
+#define TSUNAMI_NF 0x00000002
+#define TSUNAMI_ME 0x00000001
+
+static inline void tsunami_flush_icache(void)
+{
+ __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"
+ : /* no outputs */
+ : "i" (ASI_M_IC_FLCLEAR)
+ : "memory");
+}
+
+static inline void tsunami_flush_dcache(void)
+{
+ __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"
+ : /* no outputs */
+ : "i" (ASI_M_DC_FLCLEAR)
+ : "memory");
+}
+
+#endif /* !(_SPARC_TSUNAMI_H) */