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Diffstat (limited to 'include/configs/sbc8260.h')
-rw-r--r--include/configs/sbc8260.h79
1 files changed, 58 insertions, 21 deletions
diff --git a/include/configs/sbc8260.h b/include/configs/sbc8260.h
index ec60179..d47c208 100644
--- a/include/configs/sbc8260.h
+++ b/include/configs/sbc8260.h
@@ -239,12 +239,12 @@
#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
/*
- * select SPI support configuration
+ * Select SPI support configuration
*/
-#undef CONFIG_SPI /* enable SPI driver */
+#undef CONFIG_SPI /* Disable SPI driver */
/*
- * select i2c support configuration
+ * Select i2c support configuration
*
* Supported configurations are {none, software, hardware} drivers.
* If the software driver is chosen, there are some additional
@@ -284,7 +284,10 @@
/* What should the console's baud rate be? */
#define CONFIG_BAUDRATE 9600
-/* Ethernet MAC address */
+/* Ethernet MAC address
+ * Note: We are using the EST Corporation OUI (00:a0:1e:xx:xx:xx)
+ * http://standards.ieee.org/regauth/oui/index.shtml
+ */
#define CONFIG_ETHADDR 00:a0:1e:a8:7b:cb
/*
@@ -299,19 +302,53 @@
/* Set to a positive value to delay for running BOOTCOMMAND */
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
-#if 0
/* Be selective on what keys can delay or stop the autoboot process
* To stop use: " "
*/
-# define CONFIG_AUTOBOOT_KEYED
-# define CONFIG_AUTOBOOT_PROMPT "Autobooting in %d seconds, press \" \" to stop\n"
-# define CONFIG_AUTOBOOT_STOP_STR " "
-# undef CONFIG_AUTOBOOT_DELAY_STR
-# define DEBUG_BOOTKEYS 0
+#undef CONFIG_AUTOBOOT_KEYED
+#ifdef CONFIG_AUTOBOOT_KEYED
+# define CONFIG_AUTOBOOT_PROMPT "Autobooting in %d seconds, press \" \" to stop\n"
+# define CONFIG_AUTOBOOT_STOP_STR " "
+# undef CONFIG_AUTOBOOT_DELAY_STR
+# define DEBUG_BOOTKEYS 0
#endif
/* Define this to contain any number of null terminated strings that
* will be part of the default enviroment compiled into the boot image.
+ *
+ * Variable Usage
+ * -------------- -------------------------------------------------------
+ * serverip server IP address
+ * ipaddr my IP address
+ * reprog Reload flash with a new copy of U-Boot
+ * zapenv Erase the environment area in flash
+ * root-on-initrd Set the bootcmd variable to allow booting of an initial
+ * ram disk.
+ * root-on-nfs Set the bootcmd variable to allow booting of a NFS
+ * mounted root filesystem.
+ * boot-hook Convenient stub to do something useful before the
+ * bootm command is executed.
+ *
+ * Example usage of root-on-initrd and root-on-nfs :
+ *
+ * Note: The lines have been wrapped to improved its readability.
+ *
+ * => printenv bootcmd
+ * bootcmd=version;echo;bootp;setenv bootargs root=/dev/nfs rw
+ * nfsroot=$(serverip):$(rootpath)
+ * ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;run boot-hook;bootm
+ *
+ * => run root-on-initrd
+ * => printenv bootcmd
+ * bootcmd=version;echo;bootp;setenv bootargs root=/dev/ram0 rw
+ * ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;run boot-hook;bootm
+ *
+ * => run root-on-nfs
+ * => printenv bootcmd
+ * bootcmd=version;echo;bootp;setenv bootargs root=/dev/nfs rw
+ * nfsroot=$(serverip):$(rootpath)
+ * ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;run boot-hook;bootm
+ *
*/
#define CONFIG_EXTRA_ENV_SETTINGS \
"serverip=192.168.123.201\0" \
@@ -328,22 +365,22 @@
"protect on 1:1\0" \
"root-on-initrd="\
"setenv bootcmd "\
- "version;" \
- "echo;" \
- "bootp;" \
+ "version\\;" \
+ "echo\\;" \
+ "bootp\\;" \
"setenv bootargs root=/dev/ram0 rw " \
- "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
- "run boot-hook;" \
+ "ip=\\$(ipaddr):\\$(serverip):\\$(gatewayip):\\$(netmask):\\$(hostname)::off\\;" \
+ "run boot-hook\\;" \
"bootm\0" \
"root-on-nfs="\
"setenv bootcmd "\
- "version;" \
- "echo;" \
- "bootp;" \
+ "version\\;" \
+ "echo\\;" \
+ "bootp\\;" \
"setenv bootargs root=/dev/nfs rw " \
- "nfsroot=$(serverip):$(rootpath) " \
- "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\\;" \
- "run boot-hook;" \
+ "nfsroot=\\$(serverip):\\$(rootpath) " \
+ "ip=\\$(ipaddr):\\$(serverip):\\$(gatewayip):\\$(netmask):\\$(hostname)::off\\;" \
+ "run boot-hook\\;" \
"bootm\0" \
"boot-hook=echo boot-hook\0"