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authorWolfgang Denk <wd@denx.de>2008-03-26 00:44:52 +0100
committerWolfgang Denk <wd@denx.de>2008-03-26 00:44:52 +0100
commit6525489323e5ab88cda947b4bc5a228ee624a75c (patch)
treee45dfb8d991928b9dad0e663f6d8a399bbe59d4e /include/asm-mips/cacheops.h
parent08e94432300e48624de6f9533412836cf852abae (diff)
parent8a773983957ee6c4aa344469b742f29c7d26afbd (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot-mips
Diffstat (limited to 'include/asm-mips/cacheops.h')
-rw-r--r--include/asm-mips/cacheops.h78
1 files changed, 58 insertions, 20 deletions
diff --git a/include/asm-mips/cacheops.h b/include/asm-mips/cacheops.h
index 66b0b36..256ad2c 100644
--- a/include/asm-mips/cacheops.h
+++ b/include/asm-mips/cacheops.h
@@ -5,43 +5,81 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * (C) Copyright 1996, 1997 by Ralf Baechle
+ * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
+ * (C) Copyright 1999 Silicon Graphics, Inc.
*/
-#ifndef __ASM_MIPS_CACHEOPS_H
-#define __ASM_MIPS_CACHEOPS_H
+#ifndef __ASM_CACHEOPS_H
+#define __ASM_CACHEOPS_H
/*
- * Cache Operations
+ * Cache Operations available on all MIPS processors with R4000-style caches
*/
#define Index_Invalidate_I 0x00
#define Index_Writeback_Inv_D 0x01
-#define Index_Invalidate_SI 0x02
-#define Index_Writeback_Inv_SD 0x03
#define Index_Load_Tag_I 0x04
#define Index_Load_Tag_D 0x05
-#define Index_Load_Tag_SI 0x06
-#define Index_Load_Tag_SD 0x07
#define Index_Store_Tag_I 0x08
#define Index_Store_Tag_D 0x09
+#if defined(CONFIG_CPU_LOONGSON2)
+#define Hit_Invalidate_I 0x00
+#else
+#define Hit_Invalidate_I 0x10
+#endif
+#define Hit_Invalidate_D 0x11
+#define Hit_Writeback_Inv_D 0x15
+
+/*
+ * R4000-specific cacheops
+ */
+#define Create_Dirty_Excl_D 0x0d
+#define Fill 0x14
+#define Hit_Writeback_I 0x18
+#define Hit_Writeback_D 0x19
+
+/*
+ * R4000SC and R4400SC-specific cacheops
+ */
+#define Index_Invalidate_SI 0x02
+#define Index_Writeback_Inv_SD 0x03
+#define Index_Load_Tag_SI 0x06
+#define Index_Load_Tag_SD 0x07
#define Index_Store_Tag_SI 0x0A
#define Index_Store_Tag_SD 0x0B
-#define Create_Dirty_Excl_D 0x0d
#define Create_Dirty_Excl_SD 0x0f
-#define Hit_Invalidate_I 0x10
-#define Hit_Invalidate_D 0x11
#define Hit_Invalidate_SI 0x12
#define Hit_Invalidate_SD 0x13
-#define Fill 0x14
-#define Hit_Writeback_Inv_D 0x15
- /* 0x16 is unused */
#define Hit_Writeback_Inv_SD 0x17
-#define Hit_Writeback_I 0x18
-#define Hit_Writeback_D 0x19
- /* 0x1a is unused */
#define Hit_Writeback_SD 0x1b
- /* 0x1c is unused */
- /* 0x1e is unused */
#define Hit_Set_Virtual_SI 0x1e
#define Hit_Set_Virtual_SD 0x1f
-#endif /* __ASM_MIPS_CACHEOPS_H */
+/*
+ * R5000-specific cacheops
+ */
+#define R5K_Page_Invalidate_S 0x17
+
+/*
+ * RM7000-specific cacheops
+ */
+#define Page_Invalidate_T 0x16
+
+/*
+ * R10000-specific cacheops
+ *
+ * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
+ * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
+ */
+#define Index_Writeback_Inv_S 0x03
+#define Index_Load_Tag_S 0x07
+#define Index_Store_Tag_S 0x0B
+#define Hit_Invalidate_S 0x13
+#define Cache_Barrier 0x14
+#define Hit_Writeback_Inv_S 0x17
+#define Index_Load_Data_I 0x18
+#define Index_Load_Data_D 0x19
+#define Index_Load_Data_S 0x1b
+#define Index_Store_Data_I 0x1c
+#define Index_Store_Data_D 0x1d
+#define Index_Store_Data_S 0x1f
+
+#endif /* __ASM_CACHEOPS_H */