Re: [RFC PATCH v1 2/3] riscv: dts: starfive: jh7110: add DRAM memory controller node

From: Conor Dooley
Date: Mon Jan 13 2025 - 13:49:15 EST


On Thu, Jan 02, 2025 at 12:41:22PM -0800, E Shattow wrote:
> add DRAM memory controller node (no driver), required for U-Boot to boot
> successfully.
>
> Signed-off-by: E Shattow <e@xxxxxxxxxxxx>
> ---
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index 0bc922b3ae8a..6948974400c1 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -381,6 +381,19 @@ ccache: cache-controller@2010000 {
> cache-unified;
> };
>
> + dmc: dmc@15700000 {

memory-controller@157.... cos you don't need the label and "dmc" isn't
generic. You're missing a binding for this either way.

> + compatible = "starfive,jh7110-dmc";


> + reg = <0x0 0x15700000 0x0 0x10000>,
> + <0x0 0x13000000 0x0 0x10000>;
> + resets = <&syscrg JH7110_SYSRST_DDR_AXI>,
> + <&syscrg JH7110_SYSRST_DDR_OSC>,
> + <&syscrg JH7110_SYSRST_DDR_APB>;
> + reset-names = "axi", "osc", "apb";
> + clocks = <&syscrg JH7110_PLLCLK_PLL1_OUT>;
> + clock-names = "pll1_out";
> + clock-frequency = <2133>;
> + };
> +
> plic: interrupt-controller@c000000 {
> compatible = "starfive,jh7110-plic", "sifive,plic-1.0.0";
> reg = <0x0 0xc000000 0x0 0x4000000>;
> --
> 2.45.2
>

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