Re: [PATCH v4 3/3] riscv: dts: starfive: Add QSPI controller node for StarFive JH7110 SoC

Aurelien Jarno
2023-07-17T17:14:07Z

Hi,

On 2023-07-04 17:04, William Qiu wrote:
> Add the quad spi controller node for the StarFive JH7110 SoC.
>
> Co-developed-by: Ziv Xu <ziv.xu@starfivetech.com>
> Signed-off-by: Ziv Xu <ziv.xu@starfivetech.com>
> Signed-off-by: William Qiu <william.qiu@starfivetech.com>
> Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
> ---
> .../jh7110-starfive-visionfive-2.dtsi | 32 +++++++++++++++++++
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 18 +++++++++++
> 2 files changed, 50 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index 2a6d81609284..983b683e2f27 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -126,6 +126,38 @@ &i2c6 {
> status = "okay";
> };
>
> +&qspi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + nor_flash: flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + cdns,read-delay = <5>;
> + spi-max-frequency = <12000000>;
> + cdns,tshsl-ns = <1>;
> + cdns,tsd2d-ns = <1>;
> + cdns,tchsh-ns = <1>;
> + cdns,tslch-ns = <1>;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + spl@0 {
> + reg = <0x0 0x20000>;
> + };
> + uboot@100000 {
> + reg = <0x100000 0x300000>;
> + };
> + data@f00000 {
> + reg = <0xf00000 0x100000>;
> + };

It appears that this uses the old layout for the SPI flash. The new
layout is described there:

https://doc-en.rvspace.org/VisionFive2/Boot_UG/JH7110_SDK/boot_address_allocation.html

Regards
Aurelien

--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurelien@aurel32.net http://aurel32.net