diff options
| author | Kevin O'Connor <kevin@koconnor.net> | 2011-01-19 06:32:35 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2011-01-19 06:32:35 +0000 |
| commit | 5bb9fd6e4dae32f86a07676228034d3828820037 (patch) | |
| tree | 9933b8327f3af0ce6814d5402ce798a3720d273e /src/include/cpu/x86/mtrr.h | |
| parent | 4adc9eb60047e7dc3a7921793c489fff4fe3fc57 (diff) | |
Now that the VIA code is run above 1Meg (like other boards), it should
cache that range instead of the first 1Meg. This reduces boot time by
about 1 second on epia-cn.
This patch also adds a MTRRphysMaskValid bit definition.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Acked-by: Stefan Reinauer <stepan@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6272 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/cpu/x86/mtrr.h')
| -rw-r--r-- | src/include/cpu/x86/mtrr.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h index 164d79af2a..f9aadc58a5 100644 --- a/src/include/cpu/x86/mtrr.h +++ b/src/include/cpu/x86/mtrr.h @@ -21,6 +21,8 @@ #define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) #define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) +#define MTRRphysMaskValid (1 << 11) + #define NUM_FIXED_RANGES 88 #define MTRRfix64K_00000_MSR 0x250 #define MTRRfix16K_80000_MSR 0x258 |