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soc/intel/denverton_ns: Enable MC Exception 

Change-Id: I9773c61d06bb6c68612e498a35b5ad22cd5a8a6e
Signed-off-by: Julien Viard de Galbert <jviarddegalbert@online.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/25434
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Julien Viard de Galbert 2018-03-07 14:19:03 +01:00 committed by Angel Pons
parent 1c33f740c4
commit 69c57e19da
1 changed files with 7 additions and 0 deletions
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7
src/soc/intel/denverton_ns/cpu.c
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@ -2,6 +2,7 @@
#include <console/console.h> #include <console/console.h>
#include <cpu/cpu.h> #include <cpu/cpu.h>
#include <cpu/x86/cr.h>
#include <cpu/x86/mp.h> #include <cpu/x86/mp.h>
#include <cpu/x86/msr.h> #include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
@ -44,6 +45,12 @@ static void dnv_configure_mca(void)
of these banks are core vs package scope. For now every CPU clears of these banks are core vs package scope. For now every CPU clears
every bank. */ every bank. */
mca_configure(); mca_configure();
/* TODO install a fallback MC handler for each core in case OS does
not provide one. Is it really needed? */
/* Enable the machine check exception */
write_cr4(read_cr4() | CR4_MCE);
} }
static void denverton_core_init(struct device *cpu) static void denverton_core_init(struct device *cpu)