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| author | Fugang Duan <b38611@freescale.com> | 2015-04-20 18:28:48 +0800 |
|---|---|---|
| committer | Fugang Duan <b38611@freescale.com> | 2015-04-21 10:30:43 +0800 |
| commit | 0373a160e7f698064a6625e85f9120b6c81c1b61 (patch) | |
| tree | ac516882e429a285932c25d69b5ae3f829727652 /board/astro | |
| parent | 61cec88a59ebf450dd1352d81e03b5aa842e1d71 (diff) | |
| download | u-boot-imx-0373a160e7f698064a6625e85f9120b6c81c1b61.zip u-boot-imx-0373a160e7f698064a6625e85f9120b6c81c1b61.tar.gz u-boot-imx-0373a160e7f698064a6625e85f9120b6c81c1b61.tar.bz2 | |
MLK-10701 net: fec_mxc: setup right value for mdio hold time
The minimal hold time according to IEE802.3 (clause 22) is 10 ns.
HOLDTIME + 1 is the number of clk cycles the fec is holding the output.
Set the right hold time value when the MDC root clock is greater than
100Mhz.
The issue was reported on i.MX28 and is fixed by Uwe Kleine-König in kernel:
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/
drivers/net/ethernet/freescale/fec_main.c?id=63c607321492c5efc7a31bc4ea734b877f8e7f87
Signed-off-by: Fugang Duan <B38611@freescale.com>
Diffstat (limited to 'board/astro')
0 files changed, 0 insertions, 0 deletions