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Diffstat (limited to 'include/asm-mips/mach-generic/spaces.h')
-rw-r--r--include/asm-mips/mach-generic/spaces.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/asm-mips/mach-generic/spaces.h b/include/asm-mips/mach-generic/spaces.h
index 0ae9997bc9a8..9a3c521047b8 100644
--- a/include/asm-mips/mach-generic/spaces.h
+++ b/include/asm-mips/mach-generic/spaces.h
@@ -16,13 +16,18 @@
#define CAC_BASE 0x80000000
#define IO_BASE 0xa0000000
#define UNCAC_BASE 0xa0000000
+
+#ifndef MAP_BASE
#define MAP_BASE 0xc0000000
+#endif
/*
* This handles the memory map.
* We handle pages at KSEG0 for kernels with 32 bit address space.
*/
+#ifndef PAGE_OFFSET
#define PAGE_OFFSET 0x80000000UL
+#endif
/*
* Memory above this physical address will be considered highmem.
@@ -38,11 +43,13 @@
/*
* This handles the memory map.
*/
+#ifndef PAGE_OFFSET
#ifdef CONFIG_DMA_NONCOHERENT
#define PAGE_OFFSET 0x9800000000000000UL
#else
#define PAGE_OFFSET 0xa800000000000000UL
#endif
+#endif
/*
* Memory above this physical address will be considered highmem.
@@ -53,14 +60,25 @@
#define HIGHMEM_START (1UL << 59UL)
#endif
+#ifndef CAC_BASE
#ifdef CONFIG_DMA_NONCOHERENT
#define CAC_BASE 0x9800000000000000UL
#else
#define CAC_BASE 0xa800000000000000UL
#endif
+#endif
+
+#ifndef IO_BASE
#define IO_BASE 0x9000000000000000UL
+#endif
+
+#ifndef UNCAC_BASE
#define UNCAC_BASE 0x9000000000000000UL
+#endif
+
+#ifndef MAP_BASE
#define MAP_BASE 0xc000000000000000UL
+#endif
#define TO_PHYS(x) ( ((x) & TO_PHYS_MASK))
#define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK))