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-rw-r--r--cpu/mpc83xx/cpu_init.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index 53a5f59..7224979 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -257,3 +257,39 @@ int cpu_init_r (void)
#endif
return 0;
}
+
+/*
+ * Figure out the cause of the reset
+ */
+int prt_83xx_rsr(void)
+{
+ static struct {
+ ulong mask;
+ char *desc;
+ } bits[] = {
+ {
+ RSR_SWSR, "Software Soft"}, {
+ RSR_SWHR, "Software Hard"}, {
+ RSR_JSRS, "JTAG Soft"}, {
+ RSR_CSHR, "Check Stop"}, {
+ RSR_SWRS, "Software Watchdog"}, {
+ RSR_BMRS, "Bus Monitor"}, {
+ RSR_SRS, "External/Internal Soft"}, {
+ RSR_HRS, "External/Internal Hard"}
+ };
+ static int n = sizeof bits / sizeof bits[0];
+ ulong rsr = gd->reset_status;
+ int i;
+ char *sep;
+
+ puts("Reset Status:");
+
+ sep = " ";
+ for (i = 0; i < n; i++)
+ if (rsr & bits[i].mask) {
+ printf("%s%s", sep, bits[i].desc);
+ sep = ", ";
+ }
+ puts("\n\n");
+ return 0;
+}