X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2FREADME.fec_mxc;h=9ca6ac2fb59d13253af6fdd742e3b36a508d0a39;hb=85ab0452fefc8c48b0b4f35200cb2590b4693ab3;hp=30e05da57455ba606e03a1b05fb36c7b151b08e0;hpb=850f788709cef8f7d53d571aec3bfb73b14c5531;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