[PATCH 2/2] spi: nxp_fspi: Implement errata workaround for LS1028A

[Jagan Teki]

On Mon, Mar 22, 2021 at 12:00 PM Kuldeep Singh <kuldeep.singh at nxp.com> wrote:
>
> Errata ERR050568 description says that "Flash access by FlexSPI AHB
> command may not work with platform frequency equal to 300 MHz" on
> LS1028A.
>
> By default, smaller length reads(equal to RX FIFO size) are done by IP
> bus and larger length reads using AHB bus. For adding errata workaround,
> use IP bus to read entire flash contents and disable AHB path when
> platform frequency is 300Mhz.
>
> Signed-off-by: Kuldeep Singh <kuldeep.singh at nxp.com>
> ---

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>