mxs: Only build internal Ethernet controller for i.MX28
[oweals/u-boot.git] / README
diff --git a/README b/README
index bb1b725672a7dab8ad435aaa8ef5813514f282d5..da4341f4d6b793923d6f05eaacb9dfe8362c8b33 100644 (file)
--- a/README
+++ b/README
@@ -744,8 +744,8 @@ The following options need to be configured:
 - Monitor Functions:
                Monitor commands can be included or excluded
                from the build by using the #include files
-               "config_cmd_all.h" and #undef'ing unwanted
-               commands, or using "config_cmd_default.h"
+               <config_cmd_all.h> and #undef'ing unwanted
+               commands, or using <config_cmd_default.h>
                and augmenting with additional #define's
                for wanted commands.
 
@@ -2149,6 +2149,13 @@ The following options need to be configured:
 
                Timeout waiting for an ARP reply in milliseconds.
 
+               CONFIG_NFS_TIMEOUT
+
+               Timeout in milliseconds used in NFS protocol.
+               If you encounter "ERROR: Cannot umount" in nfs command,
+               try longer timeout such as
+               #define CONFIG_NFS_TIMEOUT 10000UL
+
 - Command Interpreter:
                CONFIG_AUTO_COMPLETE
 
@@ -2229,6 +2236,20 @@ The following options need to be configured:
                the environment like the "source" command or the
                boot command first.
 
+               CONFIG_ENV_VARS_UBOOT_CONFIG
+
+               Define this in order to add variables describing the
+               U-Boot build configuration to the default environment.
+               These will be named arch, cpu, board, vendor, and soc.
+
+               Enabling this option will cause the following to be defined:
+
+               - CONFIG_SYS_ARCH
+               - CONFIG_SYS_CPU
+               - CONFIG_SYS_BOARD
+               - CONFIG_SYS_VENDOR
+               - CONFIG_SYS_SOC
+
 - DataFlash Support:
                CONFIG_HAS_DATAFLASH