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 ---
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 aa825c7..e73ccb7 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -177,10 +177,26 @@ 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);