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-rw-r--r--README15
1 files changed, 14 insertions, 1 deletions
diff --git a/README b/README
index 58e582d..c05c40a 100644
--- 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.