diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2012-01-09 22:05:18 -0800 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-03-30 17:56:10 +0200 |
| commit | 7b67892be88e3f12de91314ca45a834b4c84c719 (patch) | |
| tree | f7e2fadeb00c47a32adb451b81538c26280c16cc /src/include/cpu | |
| parent | 527fc74a83a7b0fdeebfeb9ddd5890f11f01c102 (diff) | |
Make MTRR min hole alignment 64MB
This affects the algorithm when determining when to
transform a range into a larger range with a hole.
It is needed when for when I switch on an 8MB TSEG
and cause the memory maps to go crazy.
Also add header defines for the SMRR.
Change-Id: I1a06ccc28ef139cc79f655a8b19fd3533aca0401
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: http://review.coreboot.org/765
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/include/cpu')
| -rw-r--r-- | src/include/cpu/x86/mtrr.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h index 62cb8b7a3f..8b5cc281bc 100644 --- a/src/include/cpu/x86/mtrr.h +++ b/src/include/cpu/x86/mtrr.h @@ -17,6 +17,9 @@ #define MTRRdefTypeEn (1 << 11) #define MTRRdefTypeFixEn (1 << 10) +#define SMRRphysBase_MSR 0x1f2 +#define SMRRphysMask_MSR 0x1f3 + #define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) #define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) |