[PATCH 0/2] board: sifive: unmatched: reset multiple devices in SPL

[Vincent Chen]

Just a gentle ping.
If this patchset has any problems, please let me know. I am willing to
modify it. Thank you.

On Thu, Jul 8, 2021 at 9:08 AM Vincent Chen <vincent.chen at sifive.com> wrote:
>
> In SiFive unmatched board, the reset of the USB hub, PCIe-USB bridge, and
> ULPI rely on the power-cycling. However, sometimes the rebooting is without
> power-cycling. To ensure these devices will be reset in each rebooting,
> here always reset these devices in the spl_board_init_f().
>
> In addition, because the reset pint of these four devices incluing GEMGXL
> connects to the GPIO, the 1st patch creates a new wrapper,
> spl_reset_device_by_gpio(), to address the GPIO operation during the reset.
>
> Vincent Chen (2):
>   board: sifive: unmatched: refine GEMGXL initialized function in SPL
>   board: sifive: unmatched: reset USB hub, PCIe-USB bridge, and ULPI
>     device in SPL
>
>  board/sifive/unmatched/spl.c | 90 +++++++++++++++++++++++++++++++++++---------
>  1 file changed, 73 insertions(+), 17 deletions(-)
>
> --
> 2.7.4
>