3 files changed, 30 insertions, 4 deletions
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index dc9648934d..25a3850c46 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -22,7 +22,7 @@
  */
 
 #include <common.h>
-#if defined(CONFIG_MGCOGE) || defined(CONFIG_MGCOGE2NE)
+#if defined(CONFIG_KM82XX)
 #include <mpc8260.h>
 #endif
 #include <ioports.h>
@@ -398,10 +398,10 @@ int ivm_read_eeprom(void)
 #define DELAY_ABORT_SEQ		62  /* @200kHz 9 clocks = 44us, 62us is ok */
 #define DELAY_HALF_PERIOD	(500 / (CONFIG_SYS_I2C_SPEED / 1000))
 
-#if defined(CONFIG_MGCOGE) || defined(CONFIG_MGCOGE2NE)
+#if defined(CONFIG_KM_82XX)
 #define SDA_MASK	0x00010000
 #define SCL_MASK	0x00020000
-static void set_pin(int state, unsigned long mask)
+void set_pin(int state, unsigned long mask)
 {
 	ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3);
 
diff --git a/board/keymile/common/common.h b/board/keymile/common/common.h
index 6ce992ac32..cee24d43c1 100644
--- a/board/keymile/common/common.h
+++ b/board/keymile/common/common.h
@@ -124,6 +124,7 @@ struct bfticu_iomap {
 
 int ethernet_present(void);
 int ivm_read_eeprom(void);
+void set_pin(int state, unsigned long mask);
 
 int set_km_env(void);
 int fdt_set_node_and_value(void *blob,
diff --git a/board/keymile/km82xx/km82xx.c b/board/keymile/km82xx/km82xx.c
index 01c0bfd29a..d453d25ac3 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;
 }