[U-Boot] [PATCH v3 9/9] Add support for the NXP LS1021A-TSN board

[Joe Hershberger]

On Thu, Jul 18, 2019 at 4:36 PM Vladimir Oltean <olteanv at gmail.com> wrote:
>
> From: Jianchao Wang <jianchao.wang at nxp.com>
>
> The LS1021A-TSN is a development board built by VVDN/Argonboards in
> partnership with NXP.
>
> It features the LS1021A SoC and the first-generation SJA1105T Ethernet
> switch for prototyping implementations of a subset of IEEE 802.1 TSN
> standards.
>
> Supported boot media: microSD card (via SPL), QSPI flash.
>
> Rev. A of the board uses a Spansion S25FL512S_256K serial flash, which
> is 64 MB in size and has an erase sector size of 256KB (therefore,
> flashing the RCW would erase part of U-Boot).
>
> Rev. B and C of the board use a Spansion S25FL256S1 serial flash, which
> is only 32 MB in size but has an erase sector size of 64KB (therefore
> the RCW image can be flashed without erasing U-Boot).
>
> To avoid the problems above, the U-Boot base address has been selected
> at 0x100000 (the start of the 5th 256KB erase sector), which works for
> all board revisions. Actually 0x40000 would have been enough, but
> 0x100000 is common for all Layerscape devices.
>
> eTSEC3 is connecting directly to SJA1105 via an RGMII fixed-link, but
> SJA1105 is currently not supported by uboot. Therefore, eTSEC3 is
> disabled.
>
> Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1 at nxp.com>
> Signed-off-by: Mingkai Hu <mingkai.hu at nxp.com>
> Signed-off-by: Jianchao Wang <jianchao.wang at nxp.com>
> Signed-off-by: Changming Huang <jerry.huang at nxp.com>
> Signed-off-by: Vladimir Oltean <olteanv at gmail.com>
>
> [Vladimir] Code taken from https://github.com/openil/u-boot (which
> itself is mostly copied from ls1021a-iot) and adapted with the following
> changes:
>
> - Add a008850 errata workaround
> - Converted eTSEC, MMC to DM to avoid all build warnings
> - Plugged in distro boot feature, including support for extlinux.conf
> - Added defconfig for QSPI boot
> - Added the board/freescale/ls1021atsn/README.rst for initial setup
> - Increased CONFIG_SYS_MONITOR_LEN so that the SPL malloc pool does not
>   get overwritten during copying of the u-boot.bin payload from MMC to
>   DDR.

Acked-by: Joe Hershberger <joe.hershberger at ni.com>