X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fmtrr.h;h=3ad617cb4a31ba127d6172267c853b985ee7b0a0;hb=1131d4e22cf8f13d0dabaad7f1b84d9baffdfbd6;hp=3c1174043cf6f1c62c60db6cdce5d13ec6d887b3;hpb=aff2523f6998dca1f667aa0d26cc8f351c5628dc;p=u-boot

diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 3c1174043c..3ad617cb4a 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -34,6 +34,22 @@
 /* Number of MTRRs supported */
 #define MTRR_COUNT		8
 
+#define NUM_FIXED_MTRRS		11
+#define RANGES_PER_FIXED_MTRR	8
+#define NUM_FIXED_RANGES	(NUM_FIXED_MTRRS * RANGES_PER_FIXED_MTRR)
+
+#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__)
 
 /**
@@ -65,7 +81,6 @@ void mtrr_open(struct mtrr_state *state);
  *
  * @state:	Structure from mtrr_open()
  */
-/*  */
 void mtrr_close(struct mtrr_state *state);
 
 /**
@@ -76,6 +91,8 @@ void mtrr_close(struct mtrr_state *state);
  * @type:	Requested type (MTRR_TYPE_)
  * @start:	Start address
  * @size:	Size
+ *
+ * @return:	0 on success, non-zero on failure
  */
 int mtrr_add_request(int type, uint64_t start, uint64_t size);
 
@@ -86,6 +103,8 @@ int mtrr_add_request(int type, uint64_t start, uint64_t size);
  * It must be called with caches disabled.
  *
  * @do_caches:	true if caches are currently on
+ *
+ * @return:	0 on success, non-zero on failure
  */
 int mtrr_commit(bool do_caches);