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net: fec: sharing MDIO for two enet controllers

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On i.MX6SX, 6UL and 7D, there are two enet controllers each has a
MDIO port. But Some boards share one MDIO port for the two enets. So
introduce a configuration CONFIG_FEC_MXC_MDIO_BASE to indicate
the MDIO port for sharing.
In Kconfig, user needs enable CONFIG_FEC_MXC_SHARE_MDIO first to enter
the CONFIG_FEC_MXC_MDIO_BASE.

To i.MX28, adapt to use the new config

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
This commit is contained in:
Peng Fan
2018-03-28 20:54:14 +08:00
committed by Joe Hershberger
parent 8b20386356
commit fbada4855d
3 changed files with 19 additions and 3 deletions
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1
include/configs/mx28evk.h
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@@ -65,6 +65,7 @@
/* FEC Ethernet on SoC */
#ifdef CONFIG_CMD_NET
#define CONFIG_FEC_MXC
#define CONFIG_FEC_MXC_MDIO_BASE MXS_ENET0_BASE
#define CONFIG_MX28_FEC_MAC_IN_OCOTP
#endif