I use a W5500 / SPI based ethernet module.

I use a W5500 / SPI based ethernet module.

 

Here is the contents of my sdconfig for the relevant parts:

//-------------start of sdconfig
#
# Example Configuration
#
# CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET is not set
CONFIG_EXAMPLE_USE_DM9051=y
CONFIG_EXAMPLE_DM9051_SPI_HOST=1
CONFIG_EXAMPLE_DM9051_SCLK_GPIO=19
CONFIG_EXAMPLE_DM9051_MOSI_GPIO=23
CONFIG_EXAMPLE_DM9051_MISO_GPIO=25
CONFIG_EXAMPLE_DM9051_CS_GPIO=22
CONFIG_EXAMPLE_DM9051_SPI_CLOCK_MHZ=25
CONFIG_EXAMPLE_DM9051_INT_GPIO=4
CONFIG_EXAMPLE_ETH_PHY_RST_GPIO=-1
CONFIG_EXAMPLE_ETH_PHY_ADDR=1
# end of Example Configuration