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| author | Simon Glass <sjg@chromium.org> | 2015-04-29 22:25:59 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-30 16:13:38 -0600 |
| commit | 45b5a37836d552db30ab571d8ba67f12d7ba23b1 (patch) | |
| tree | cbfda1472f00b123b6dd7872deedac0fc381612c /arch/x86/include/asm/mtrr.h | |
| parent | 6f41e0e7bcdc58e9e8af89988043893d5876bf7a (diff) | |
| download | u-boot-imx-45b5a37836d552db30ab571d8ba67f12d7ba23b1.zip u-boot-imx-45b5a37836d552db30ab571d8ba67f12d7ba23b1.tar.gz u-boot-imx-45b5a37836d552db30ab571d8ba67f12d7ba23b1.tar.bz2 | |
x86: Add multi-processor init
Most modern x86 CPUs include more than one CPU core. The OS normally requires
that these 'Application Processors' (APs) be brought up by the boot loader.
Add the required support to U-Boot to init additional APs.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/include/asm/mtrr.h')
| -rw-r--r-- | arch/x86/include/asm/mtrr.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h index 3841593..3ad617c 100644 --- a/arch/x86/include/asm/mtrr.h +++ b/arch/x86/include/asm/mtrr.h @@ -34,8 +34,10 @@ /* Number of MTRRs supported */ #define MTRR_COUNT 8 -#define NUM_FIXED_RANGES 88 -#define RANGES_PER_FIXED_MTRR 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 |