X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2FREADME.fec_mxc;h=9ca6ac2fb59d13253af6fdd742e3b36a508d0a39;hb=66398944f53921ec641e1c2202390933767dbb87;hp=30e05da57455ba606e03a1b05fb36c7b151b08e0;hpb=0ffadab1b9ab59816a0f71c927604bb6c402d863;p=u-boot diff --git a/doc/README.fec_mxc b/doc/README.fec_mxc index 30e05da574..9ca6ac2fb5 100644 --- a/doc/README.fec_mxc +++ b/doc/README.fec_mxc @@ -1,4 +1,4 @@ -U-boot config options used in fec_mxc.c +U-Boot config options used in fec_mxc.c CONFIG_FEC_MXC Selects fec_mxc.c to be compiled into u-boot. Can read out the @@ -27,6 +27,11 @@ CONFIG_FEC_MXC_PHYADDR Optional, selects the exact phy address that should be connected and function fecmxc_initialize will try to initialize it. +CONFIG_FEC_FIXED_SPEED + Optional, selects a fixed speed on the MAC interface without asking some + phy. This is usefull if there is a direct MAC <-> MAC connection, for + example if the CPU is connected directly via the RGMII interface to a + ethernet-switch. Reading the ethaddr from the SoC eFuses: if CONFIG_FEC_MXC is defined and the U-Boot environment does not contain the