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-rw-r--r--doc/README.usb13
1 files changed, 11 insertions, 2 deletions
diff --git a/doc/README.usb b/doc/README.usb
index 65fb288..bc768a3 100644
--- a/doc/README.usb
+++ b/doc/README.usb
@@ -127,8 +127,14 @@ To enable USB Host Ethernet in U-Boot, your platform must of course
support USB with CONFIG_CMD_USB enabled and working. You will need to
add some config settings to your board header file:
+#define CONFIG_CMD_USB /* the 'usb' interactive command */
#define CONFIG_USB_HOST_ETHER /* Enable USB Ethernet adapters */
-#define CONFIG_USB_ETHER_ASIX /* Asix, or whatever driver(s) you want */
+
+and one or more of the following for individual adapter hardware:
+
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_USB_ETHER_MCS7830
+#define CONFIG_USB_ETHER_SMSC95XX
As with built-in networking, you will also want to enable some network
commands, for example:
@@ -148,7 +154,10 @@ settings should start you off:
You can also set the default IP address of your board and the server
as well as the default file to load when a 'bootp' command is issued.
-All of these can be obtained from the bootp server if not set.
+However note that encoding these individual network settings into a
+common exectuable is discouraged, as it leads to potential conflicts,
+and all the parameters can either get stored in the board's external
+environment, or get obtained from the bootp server if not set.
#define CONFIG_IPADDR 10.0.0.2 (replace with your value)
#define CONFIG_SERVERIP 10.0.0.1 (replace with your value)