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x86: Add defines for fixed MTRRs

Add MSR numbers for the fixed MTRRs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass 10 years ago
parent
commit
1a06d2a310
1 changed files with 14 additions and 0 deletions
  1. 14 0
      arch/x86/include/asm/mtrr.h

+ 14 - 0
arch/x86/include/asm/mtrr.h

@@ -34,6 +34,20 @@
 /* Number of MTRRs supported */
 /* Number of MTRRs supported */
 #define MTRR_COUNT		8
 #define MTRR_COUNT		8
 
 
+#define NUM_FIXED_RANGES 88
+#define RANGES_PER_FIXED_MTRR 8
+#define MTRR_FIX_64K_00000_MSR 0x250
+#define MTRR_FIX_16K_80000_MSR 0x258
+#define MTRR_FIX_16K_A0000_MSR 0x259
+#define MTRR_FIX_4K_C0000_MSR 0x268
+#define MTRR_FIX_4K_C8000_MSR 0x269
+#define MTRR_FIX_4K_D0000_MSR 0x26a
+#define MTRR_FIX_4K_D8000_MSR 0x26b
+#define MTRR_FIX_4K_E0000_MSR 0x26c
+#define MTRR_FIX_4K_E8000_MSR 0x26d
+#define MTRR_FIX_4K_F0000_MSR 0x26e
+#define MTRR_FIX_4K_F8000_MSR 0x26f
+
 #if !defined(__ASSEMBLER__)
 #if !defined(__ASSEMBLER__)
 
 
 /**
 /**