From patchwork Tue Oct 23 02:40:39 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,V3,1/9] doc/README.fec_mxc: add documentation Date: Mon, 22 Oct 2012 16:40:39 -0000 From: Troy Kisky X-Patchwork-Id: 193314 Message-Id: <1350960047-23404-2-git-send-email-troy.kisky@boundarydevices.com> To: u-boot@lists.denx.de, Joe Hershberger , sbabic@denx.de, dirk.behme@googlemail.com Cc: afleming@gmail.com Signed-off-by: Troy Kisky --- v2: add README.fec_mxc for config options currently used in fec_mxc --- doc/README.fec_mxc | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 doc/README.fec_mxc diff --git a/doc/README.fec_mxc b/doc/README.fec_mxc new file mode 100644 index 0000000..72a1d59 --- /dev/null +++ b/doc/README.fec_mxc @@ -0,0 +1,27 @@ +U-boot config options used in fec_mxc.c + +CONFIG_FEC_MXC + Selects fec_mxc.c to be compiled into u-boot. + +CONFIG_MII + Must be defined if CONFIG_FEC_MXC is defined. + +CONFIG_FEC_XCV_TYPE + Defaults to MII100 for 100 Base-tx. + RGMII selects 1000 Base-tx reduced pin count interface. + RMII selects 100 Base-tx reduced pin count interface. + +CONFIG_FEC_MXC_SWAP_PACKET + Forced on iff MX28. + Swaps the bytes order of all words(4 byte units) in the packet. + This should not be specified by a board file. It is cpu specific. + +CONFIG_PHYLIB + fec_mxc supports PHYLIB and should be used for new boards. + +CONFIG_FEC_MXC_NO_ANEG + Relevant only if PHYLIB not used. Skips auto-negotiation restart. + +CONFIG_FEC_MXC_PHYADDR + Optional, selects the exact phy address that should be connected + and function fecmxc_initialize will try to initialize it.