summaryrefslogtreecommitdiff
path: root/include/asm-mips/addrspace.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-mips/addrspace.h')
-rw-r--r--include/asm-mips/addrspace.h29
1 files changed, 6 insertions, 23 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index 964c5eddc21b..0b3ff9c48409 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -129,29 +129,12 @@
#define PHYS_TO_XKPHYS(cm,a) (_CONST64_(0x8000000000000000) | \
((cm)<<59) | (a))
-#if defined (CONFIG_CPU_R4300) \
- || defined (CONFIG_CPU_R4X00) \
- || defined (CONFIG_CPU_R5000) \
- || defined (CONFIG_CPU_RM7000) \
- || defined (CONFIG_CPU_RM9000) \
- || defined (CONFIG_CPU_NEVADA) \
- || defined (CONFIG_CPU_TX49XX) \
- || defined (CONFIG_CPU_MIPS64)
-#define TO_PHYS_MASK _CONST64_(0x0000000fffffffff) /* 2^^36 - 1 */
-#endif
-
-#if defined (CONFIG_CPU_R8000)
-/* We keep KUSIZE consistent with R4000 for now (2^^40) instead of (2^^48) */
-#define TO_PHYS_MASK _CONST64_(0x000000ffffffffff) /* 2^^40 - 1 */
-#endif
-
-#if defined (CONFIG_CPU_R10000)
-#define TO_PHYS_MASK _CONST64_(0x000000ffffffffff) /* 2^^40 - 1 */
-#endif
-
-#if defined(CONFIG_CPU_SB1) || defined(CONFIG_CPU_SB1A)
-#define TO_PHYS_MASK _CONST64_(0x00000fffffffffff) /* 2^^44 - 1 */
-#endif
+/*
+ * The ultimate limited of the 64-bit MIPS architecture: 2 bits for selecting
+ * the region, 3 bits for the CCA mode. This leaves 59 bits of which the
+ * R8000 implements most with its 48-bit physical address space.
+ */
+#define TO_PHYS_MASK _CONST64_(0x07ffffffffffffff) /* 2^^59 - 1 */
#ifndef CONFIG_CPU_R8000