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authorMatthias Fuchs <matthias.fuchs@esd-electronics.com>2008-04-25 12:01:39 +0200
committerStefan Roese <sr@denx.de>2008-04-25 13:37:14 +0200
commit8e048c438e20ec89b49da5f085f8f756eba6e587 (patch)
treeae55a44cdff4e0268ff8759d0470c0fa31f09fc0
parent24bfedbd0be4dcaa94861407820d6a70fea7e03b (diff)
ppc4xx: Add bootcount limit handling for APC405 boards
Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
-rw-r--r--board/esd/apc405/apc405.c7
-rw-r--r--include/configs/APC405.h14
2 files changed, 18 insertions, 3 deletions
diff --git a/board/esd/apc405/apc405.c b/board/esd/apc405/apc405.c
index b663184b6..2cb743ef4 100644
--- a/board/esd/apc405/apc405.c
+++ b/board/esd/apc405/apc405.c
@@ -385,11 +385,16 @@ int misc_init_r(void)
}
out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff);
- if (getenv("usb_self") == NULL) {
+ /*
+ * fix environment for field updated units
+ */
+ if (getenv("altbootcmd") == NULL) {
setenv("usb_load", CFG_USB_LOAD_COMMAND);
setenv("usbargs", CFG_USB_ARGS);
setenv("bootcmd", CONFIG_BOOTCOMMAND);
setenv("usb_self", CFG_USB_SELF_COMMAND);
+ setenv("bootlimit", CFG_BOOTLIMIT);
+ setenv("altbootcmd", CFG_ALT_BOOTCOMMAND);
saveenv();
}
diff --git a/include/configs/APC405.h b/include/configs/APC405.h
index e2ab39dc8..8ad33f11d 100644
--- a/include/configs/APC405.h
+++ b/include/configs/APC405.h
@@ -48,6 +48,7 @@
#define CONFIG_BAUDRATE 115200
#define CONFIG_BOOTDELAY 1 /* autoboot after 3 seconds */
+#define CONFIG_BOOTCOUNT_LIMIT 1
#undef CONFIG_BOOTARGS
@@ -57,6 +58,8 @@
"run ramargs addip addcon usbargs;" \
"bootm 200000 300000"
#define CFG_USB_ARGS "setenv bootargs $(bootargs) usbboot=1"
+#define CFG_BOOTLIMIT "3"
+#define CFG_ALT_BOOTCOMMAND "run usb_self;reset"
#define CONFIG_EXTRA_ENV_SETTINGS \
"hostname=abg405\0" \
@@ -88,8 +91,10 @@
"usb_load="CFG_USB_LOAD_COMMAND"\0" \
"usb_self="CFG_USB_SELF_COMMAND"\0" \
"usbargs="CFG_USB_ARGS"\0" \
+ "bootlimit="CFG_BOOTLIMIT"\0" \
+ "altbootcmd="CFG_ALT_BOOTCOMMAND"\0" \
""
-#define CONFIG_BOOTCOMMAND "run flash_self;run usb_self"
+#define CONFIG_BOOTCOMMAND "run flash_self;reset"
#define CONFIG_ETHADDR 00:02:27:8e:00:00
@@ -414,7 +419,12 @@ extern int flash_banks;
#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
#define CFG_GBL_DATA_SIZE 128 /* reserved bytes for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
-#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+/* reserve some memory for BOOT limit info */
+#define CFG_INIT_SP_OFFSET (CFG_GBL_DATA_OFFSET - 16)
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT /* reserve 2 word for bootcount limit */
+#define CFG_BOOTCOUNT_ADDR (CFG_GBL_DATA_OFFSET - 8)
+#endif
/*
* Internal Definitions