[PATCH v2 1/2] rockchip: rk3399: Init clocks in U-Boot proper if SPL was not run

[Simon Glass]

On Tue, 27 Oct 2020 at 15:15, Alper Nebi Yasak <alpernebiyasak at gmail.com> wrote:
>
> It's possible to chainload U-Boot proper from the vendor firmware in
> rk3399 chromebooks, but the way the vendor firmware sets up clocks is
> somehow different than what U-Boot expects. This causes the display to
> stay devoid of content even though vidconsole claims to work (with
> patches in process of being upstreamed).
>
> This is meant to be a rk3399 version of commit d3cb46aa8c41 ("rockchip:
> Init clocks again when chain-loading") which can detect the discrepancy,
> but this patch instead checks whether SPL (and therefore the clock init)
> was run via the handoff functionality and runs the init if it was not.
>
> Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
> ---
>
> Changes in v2:
> - Check for SPL handoff instead of always re-initializing
>
> v1: https://patchwork.ozlabs.org/project/uboot/patch/20201022203740.24528-1-alpernebiyasak@gmail.com/
>
>  drivers/clk/rockchip/clk_rk3399.c | 22 ++++++++++++++++------
>  1 file changed, 16 insertions(+), 6 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>