On 11/23/2017 03:22 AM, Prabhakar Kushwaha wrote: > The MAC addresses get fixed in the device tree for "ethernet" nodes > is by using trailing number behind "ethernet" found in "/aliases". > It may not be necessary for the "ethernet" nodes to be sequential. > There can be gaps in between or any ethenet node disabled. > > Reason for gaps is because the available ethernet port are based on > SerDes protocol chosen for the SoC. Usually Linux device tree > contains "ethernet" node for all possible ports supported by SoC > for e.g. LS1046A. Where based on SerDes protocol some "ethernet" > ports are unavailable hence non-sequential. > > This patch-set provide way to fetch MAC addr sequentially from env > variables and also create hole in "ethernet" node (disable) based > on SerDes protocol for LS1046ARDB. > > This patch-set provide a support to fetch MAC addr sequentially > from env and apply them to "ethernet" nodes in the order they appear > in device tree only if "ethernet" is not "disabled" > > It also disables "ethernet" nodes in device tree based ethernet port > availability in the selected SerDes protocol. > Currently the changes are done foe LS1046A. This has been added as a > compile time option for now, to keep backward compatibility. > > The associated documentation is also updated in the README. > > Other platforms should also follow same approach. > > Prabhakar Kushwaha (3): > common: Fix-up MAC addr in dts by fetching env variable serially > arm: Add support of updating dts before fix-up > boards: ls1046ardb: disable unavailable "ethernet" node in dts > > README | 9 +++++++ > arch/arm/lib/bootm-fdt.c | 12 ++++++++++ > board/freescale/ls1046ardb/eth.c | 51 > ++++++++++++++++++++++++++++++++++++++++ > common/fdt_support.c | 25 ++++++++++++++++---- > include/configs/ls1046ardb.h | 2 ++ > include/fdt_support.h | 3 +++ > 6 files changed, 98 insertions(+), 4 deletions(-) >
Simon, What do you think about this set? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
