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-rw-r--r--cpu/mpc83xx/cpu_init.c36
-rw-r--r--include/common.h2
-rw-r--r--lib_ppc/board.c6
3 files changed, 42 insertions, 2 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;
+}
diff --git a/include/common.h b/include/common.h
index ac29d3a..a822d28 100644
--- a/include/common.h
+++ b/include/common.h
@@ -526,6 +526,8 @@ void cpu_init_f (void);
int cpu_init_r (void);
#if defined(CONFIG_8260)
int prt_8260_rsr (void);
+#elif defined(CONFIG_MPC83XX)
+int prt_83xx_rsr (void);
#endif
/* $(CPU)/interrupts.c */
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 325f5c2..c87d46c 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -309,7 +309,9 @@ init_fnc_t *init_sequence[] = {
prt_8260_rsr,
prt_8260_clks,
#endif /* CONFIG_8260 */
-
+#if defined(CONFIG_MPC83XX)
+ prt_83xx_rsr,
+#endif
checkcpu,
#if defined(CONFIG_MPC5xxx)
prt_mpc5xxx_clks,
@@ -376,7 +378,7 @@ void board_init_f (ulong bootflag)
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
-#if !defined(CONFIG_CPM2)
+#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
/* Clear initial global data */
memset ((void *) gd, 0, sizeof (gd_t));
#endif