drivers/net/eepro100.c: fix GCC 4.6 build warnings
[oweals/u-boot.git] / README
diff --git a/README b/README
index 58e582d022175c43a7249c26438fd70904db8028..c05c40af0e58acc83e62feb1b7ff1e31cd75e526 100644 (file)
--- a/README
+++ b/README
@@ -957,7 +957,20 @@ The following options need to be configured:
 
 - NETWORK Support (PCI):
                CONFIG_E1000
-               Support for Intel 8254x gigabit chips.
+               Support for Intel 8254x/8257x gigabit chips.
+
+               CONFIG_E1000_SPI
+               Utility code for direct access to the SPI bus on Intel 8257x.
+               This does not do anything useful unless you set at least one
+               of CONFIG_CMD_E1000 or CONFIG_E1000_SPI_GENERIC.
+
+               CONFIG_E1000_SPI_GENERIC
+               Allow generic access to the SPI bus on the Intel 8257x, for
+               example with the "sspi" command.
+
+               CONFIG_CMD_E1000
+               Management command for E1000 devices.  When used on devices
+               with SPI support you can reprogram the EEPROM from U-Boot.
 
                CONFIG_E1000_FALLBACK_MAC
                default MAC for empty EEPROM after production.