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-rw-r--r--board/keymile/km82xx/km82xx.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/board/keymile/km82xx/km82xx.c b/board/keymile/km82xx/km82xx.c
index 01c0bfd..d453d25 100644
--- a/board/keymile/km82xx/km82xx.c
+++ b/board/keymile/km82xx/km82xx.c
@@ -288,7 +288,7 @@ int checkboard(void)
#if defined(CONFIG_MGCOGE)
puts("Board: Keymile mgcoge");
#else
- puts("Board: Keymile mgcoge2ne");
+ puts("Board: Keymile mgcoge3ne");
#endif
if (ethernet_present())
puts(" with PIGGY.");
@@ -314,6 +314,28 @@ int last_stage_init(void)
return 0;
}
+#ifdef CONFIG_MGCOGE3NE
+/*
+ * For mgcoge3ne boards, the mgcoge3un control is controlled from
+ * a GPIO line on the PPC CPU. If bobcatreset is set the line
+ * will toggle once what forces the mgocge3un part to restart
+ * immediately.
+ */
+void handle_mgcoge3un_reset(void)
+{
+ char *bobcatreset = getenv("bobcatreset");
+ if (bobcatreset) {
+ if (strcmp(bobcatreset, "true") == 0) {
+ puts("Forcing bobcat reset\n");
+ set_pin(0, 0x00000004); /* clear PD29 to reset arm */
+ udelay(1000);
+ set_pin(1, 0x00000004);
+ } else
+ set_pin(1, 0x00000004); /* set PD29 to not reset arm */
+ }
+}
+#endif
+
/*
* Early board initalization.
*/
@@ -329,6 +351,9 @@ int board_early_init_r(void)
out_8(&base->oprtl, (H_OPORTS_SCC4_ENA | H_OPORTS_SCC4_FD_ENA |
H_OPORTS_FCC1_PW_DWN));
+#ifdef CONFIG_MGCOGE3NE
+ handle_mgcoge3un_reset();
+#endif
return 0;
}