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| author | Troy Kisky <troy.kisky@boundarydevices.com> | 2012-10-22 16:40:39 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-01-28 06:57:49 +0100 |
| commit | c30eab2ddd5d2238e06ea2acde91620019ea7f85 (patch) | |
| tree | 5a67ca57b735ae8d0899582af2fc6dded22628ee | |
| parent | f093088214948bbf7a63e398da62904db30316d4 (diff) | |
| download | u-boot-imx-c30eab2ddd5d2238e06ea2acde91620019ea7f85.zip u-boot-imx-c30eab2ddd5d2238e06ea2acde91620019ea7f85.tar.gz u-boot-imx-c30eab2ddd5d2238e06ea2acde91620019ea7f85.tar.bz2 | |
doc/README.fec_mxc: add documentation
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
| -rw-r--r-- | doc/README.fec_mxc | 27 |
1 files changed, 27 insertions, 0 deletions
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. |