lwIP | rtemslwip/tms570: Bringup lwIP network stack on TI TMS570LC4357 BSP (LaunchXL2-570LC43) (!48)

[Armaan Chowfin (@ar-in0)]

Armaan Chowfin commented on a discussion: https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/48#note_155193


Yes. It appears the lc4357 launchxl2 and HDK differ in some ways (ex. pinmux). 

Ran a ping application to test:

> 10 commits total, current HEAD is tested with:
>
> * ping to ubuntu host from rtems shell app: https://gitlab.rtems.org/ar-in0/rtems-tms570-testing/-/blob/main/net-ping-shell/init.c?ref_type=heads
> * `ping -A` from ubuntu host to board. Packet drops were observed.
>
> Unresolved issues:
>
> * ESM error when unpadded binaries are flashed (rtems-lwip https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/work_items/21)
> * ESM error despite cache coherence fixes in https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/48/diffs?commit_id=e7f6ad186b1e6a003980eaaf1ad4e7e6a9d3c1e1 (ACP d-cache invalidate: Group1 channel 47, ESMSR4 = 0x8000)

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/48#note_155193
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