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x86: apl: Add core init for the SoC

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Set up MSRs required for Apollo Lake. This enables Linux to use the
timers correctly. Also write the fixed MSRs for this platform.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-11-04 09:57:15 -07:00 • committed by Bin Meng
parent 1779b8a96a
commit 6571d87315
7 changed files with 170 additions and 21 deletions
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9
arch/x86/include/asm/cpu_common.h
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@ -184,4 +184,13 @@ int cpu_get_max_turbo_ratio(void);
*/
int cpu_get_cores_per_package(void);
/**
* cpu_mca_configure() - Set up machine-check exceptions ready for use
*
* These allow the SoC to report errors while running. See here for details:
*
* https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/machine-check-exceptions-debug-paper.pdf
*/
void cpu_mca_configure(void);
#endif