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x86: ivybridge: Check BIST value on boot

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The built-in self test value should be checked before we continue booting.
Refuse to continue if there is something wrong.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-11-12 22:42:20 -07:00
parent f5fbbe9579
commit 94060ff278
1 changed files with 16 additions and 0 deletions
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16
arch/x86/cpu/ivybridge/cpu.c
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@ -179,10 +179,26 @@ int arch_cpu_init(void)
return 0;
}
static int report_bist_failure(void)
{
if (gd->arch.bist != 0) {
printf("BIST failed: %08x\n", gd->arch.bist);
return -EFAULT;
}
return 0;
}
int print_cpuinfo(void)
{
char processor_name[CPU_MAX_NAME_LEN];
const char *name;
int ret;
/* Halt if there was a built in self test failure */
ret = report_bist_failure();
if (ret)
return ret;
/* Print processor name */
name = cpu_get_name(processor_name);