support of rockchip nanopiM4 2GB board

[Jagan Teki]

On Thu, Apr 23, 2020 at 4:37 PM Deepak Das <deepakdas.linux at gmail.com> wrote:
>
> Hi Jagan,
>
> upstream uboot has the support for nanopi M4 board with 4GB LPDDR3 RAM.
> I have a nanopi M4 board with 2GB DDR3 RAM and able to boot this board
> by using ddr3 configuration.
>
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (C) 2019 Jagan Teki <jagan at amarulasolutions.com>
> + */
> +
> +#include "rk3399-nanopi4-u-boot.dtsi"
> +#include "rk3399-sdram-ddr3-1866.dtsi"
> +
> +/* #include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi" */
>
> how to handle this situation? do we need to treat this as a new board
> support?

Possible approach is to check the chip type and vendor during probe
and source the respective .dtsi

YouMin and Kever, any  ideas?

Jagan.