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 <s...@chromium.org>
---
Changes in v2: None
arch/x86/cpu/ivybridge/cpu.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index ab708dd..6a242d7 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -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);
--
2.1.0.rc2.206.gedb03e5
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