RE: [PATCH v2 3/3] riscv: dts: starfive: jh7110: bootph-pre-ram hinting needed by boot loader

From: Hal Feng
Date: Mon Aug 18 2025 - 05:39:42 EST


> On 15.08.25 15:37, E Shattow wrote:
> Add bootph-pre-ram hinting to jh7110.dtsi:
> - CPU interrupt controller(s)
> - core local interrupt timer
> - DDR memory controller
> - oscillator
> - syscrg clock-controller
>
> Signed-off-by: E Shattow <e@xxxxxxxxxxxx>
> ---
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index 14df3d062a45..884a3526cb0f 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -35,6 +35,7 @@ S7_0: cpu@0 {
>
> cpu0_intc: interrupt-controller {
> compatible = "riscv,cpu-intc";
> + bootph-pre-ram;
> interrupt-controller;
> #interrupt-cells = <1>;
> };
> @@ -68,6 +69,7 @@ U74_1: cpu@1 {
>
> cpu1_intc: interrupt-controller {
> compatible = "riscv,cpu-intc";
> + bootph-pre-ram;
> interrupt-controller;
> #interrupt-cells = <1>;
> };
> @@ -101,6 +103,7 @@ U74_2: cpu@2 {
>
> cpu2_intc: interrupt-controller {
> compatible = "riscv,cpu-intc";
> + bootph-pre-ram;
> interrupt-controller;
> #interrupt-cells = <1>;
> };
> @@ -134,6 +137,7 @@ U74_3: cpu@3 {
>
> cpu3_intc: interrupt-controller {
> compatible = "riscv,cpu-intc";
> + bootph-pre-ram;
> interrupt-controller;
> #interrupt-cells = <1>;
> };
> @@ -167,6 +171,7 @@ U74_4: cpu@4 {
>
> cpu4_intc: interrupt-controller {
> compatible = "riscv,cpu-intc";
> + bootph-pre-ram;
> interrupt-controller;
> #interrupt-cells = <1>;
> };
> @@ -321,6 +326,7 @@ mclk_ext: mclk-ext-clock {
>
> osc: oscillator {
> compatible = "fixed-clock";
> + bootph-pre-ram;
> clock-output-names = "osc";
> #clock-cells = <0>;
> };
> @@ -354,6 +360,7 @@ soc {
> clint: timer@2000000 {
> compatible = "starfive,jh7110-clint", "sifive,clint0";
> reg = <0x0 0x2000000 0x0 0x10000>;
> + bootph-pre-ram;
> interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc
> 7>,
> <&cpu1_intc 3>, <&cpu1_intc 7>,
> <&cpu2_intc 3>, <&cpu2_intc 7>,
> @@ -376,6 +383,7 @@ memory-controller@15700000 {
> compatible = "starfive,jh7110-dmc";
> reg = <0x0 0x15700000 0x0 0x10000>,
> <0x0 0x13000000 0x0 0x10000>;
> + bootph-pre-ram;
> clocks = <&syscrg JH7110_PLLCLK_PLL1_OUT>;
> clock-names = "pll1_out";
> resets = <&syscrg JH7110_SYSRST_DDR_AXI>, @@ -
> 892,6 +900,7 @@ qspi: spi@13010000 {
> syscrg: clock-controller@13020000 {
> compatible = "starfive,jh7110-syscrg";
> reg = <0x0 0x13020000 0x0 0x10000>;
> + bootph-pre-ram;
> clocks = <&osc>, <&gmac1_rmii_refin>,
> <&gmac1_rgmii_rxin>,
> <&i2stx_bclk_ext>, <&i2stx_lrck_ext>,

pllclk also needs to add bootph-pre-ram. Because it is the dependency of syscrg.

pllclk: clock-controller {
compatible = "starfive,jh7110-pll";
+ bootph-pre-ram;
clocks = <&osc>;
#clock-cells = <1>;
};

Best regards,
Hal