There have been reports of ethernet network failures on beagle bone black. These have been root caused to ethernet PHY latching to a different address on boot than what is programmed in DT.
See: https://groups.google.com/d/msg/beagleboard/9mctrG26Mc8/1FuI_i5KW10J This patch series tries to workaround this suitaiton by patching device-tree passed to kernel with the correct address. As well as updating the PHY address U-Boot drivers themselves use. Tested on beaglebone black rev A4 by simulating the error condition I was also able to hit the actual hardware error once in a while. Sekhar Nori (3): drivers: net: cpsw: add support to update phy address board: ti: am335x: add support to fixup phy address configs: am335x_evm: enable OF_BOARD_SETUP board/ti/am335x/board.c | 78 ++++++++++++++++++++++++++++++++++++++++++++ configs/am335x_evm_defconfig | 1 + drivers/net/cpsw.c | 29 ++++++++++++++++ include/cpsw.h | 1 + 4 files changed, 109 insertions(+) -- 2.16.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
