[PATCH v2 14/17] riscv: dts: jh7110: Add initial StarFive JH7110 device tree

Sean Anderson seanga2 at gmail.com
Thu Jan 19 07:26:52 CET 2023


On 1/19/23 01:18, David Abdurachmanov wrote:
> On Wed, Jan 18, 2023 at 10:19 AM Yanhong Wang
> <yanhong.wang at starfivetech.com> wrote:
>>
>> Add initial device tree for the JH7110 RISC-V SoC.
>>
>> Signed-off-by: Yanhong Wang <yanhong.wang at starfivetech.com>
>> ---
>>   arch/riscv/dts/jh7110.dtsi | 497 +++++++++++++++++++++++++++++++++++++
>>   1 file changed, 497 insertions(+)
>>   create mode 100644 arch/riscv/dts/jh7110.dtsi
>>
>> diff --git a/arch/riscv/dts/jh7110.dtsi b/arch/riscv/dts/jh7110.dtsi
>> new file mode 100644
>> index 0000000000..49d34b85af
>> --- /dev/null
>> +++ b/arch/riscv/dts/jh7110.dtsi
>> @@ -0,0 +1,497 @@
>> +// SPDX-License-Identifier: GPL-2.0 OR MIT
>> +/*
>> + * Copyright (C) 2022 StarFive Technology Co., Ltd.
>> + * Copyright (C) 2022 Emil Renner Berthing <kernel at esmil.dk>
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include <dt-bindings/clock/starfive-jh7110.h>
>> +#include <dt-bindings/reset/starfive-jh7110.h>
>> +
>> +/ {
>> +       compatible = "starfive,jh7110";
>> +       #address-cells = <2>;
>> +       #size-cells = <2>;
>> +
>> +       cpus {
>> +               #address-cells = <1>;
>> +               #size-cells = <0>;
>> +
>> +               S76_0: cpu at 0 {
>> +                       compatible = "sifive,u74-mc", "riscv";
>> +                       reg = <0>;
>> +                       d-cache-block-size = <64>;
>> +                       d-cache-sets = <64>;
>> +                       d-cache-size = <8192>;
>> +                       d-tlb-sets = <1>;
>> +                       d-tlb-size = <40>;
>> +                       device_type = "cpu";
>> +                       i-cache-block-size = <64>;
>> +                       i-cache-sets = <64>;
>> +                       i-cache-size = <16384>;
>> +                       i-tlb-sets = <1>;
>> +                       i-tlb-size = <40>;
>> +                       mmu-type = "riscv,sv39";
>> +                       next-level-cache = <&ccache>;
>> +                       riscv,isa = "rv64imacu";
>> +                       tlb-split;
>> +                       status = "disabled";
>> +
>> +                       cpu0_intc: interrupt-controller {
>> +                               compatible = "riscv,cpu-intc";
>> +                               interrupt-controller;
>> +                               #interrupt-cells = <1>;
>> +                       };
>> +               };
>> +
>> +               U74_1: cpu at 1 {
>> +                       compatible = "sifive,u74-mc", "riscv";
>> +                       reg = <1>;
>> +                       d-cache-block-size = <64>;
>> +                       d-cache-sets = <64>;
>> +                       d-cache-size = <32768>;
>> +                       d-tlb-sets = <1>;
>> +                       d-tlb-size = <40>;
>> +                       device_type = "cpu";
>> +                       i-cache-block-size = <64>;
>> +                       i-cache-sets = <64>;
>> +                       i-cache-size = <32768>;
>> +                       i-tlb-sets = <1>;
>> +                       i-tlb-size = <40>;
>> +                       mmu-type = "riscv,sv39";
>> +                       next-level-cache = <&ccache>;
>> +                       riscv,isa = "rv64imafdcbsu";
>> +                       tlb-split;
>> +
>> +                       cpu1_intc: interrupt-controller {
>> +                               compatible = "riscv,cpu-intc";
>> +                               interrupt-controller;
>> +                               #interrupt-cells = <1>;
>> +                       };
>> +               };
>> +
>> +               U74_2: cpu at 2 {
>> +                       compatible = "sifive,u74-mc", "riscv";
>> +                       reg = <2>;
>> +                       d-cache-block-size = <64>;
>> +                       d-cache-sets = <64>;
>> +                       d-cache-size = <32768>;
>> +                       d-tlb-sets = <1>;
>> +                       d-tlb-size = <40>;
>> +                       device_type = "cpu";
>> +                       i-cache-block-size = <64>;
>> +                       i-cache-sets = <64>;
>> +                       i-cache-size = <32768>;
>> +                       i-tlb-sets = <1>;
>> +                       i-tlb-size = <40>;
>> +                       mmu-type = "riscv,sv39";
>> +                       next-level-cache = <&ccache>;
>> +                       riscv,isa = "rv64imafdcbsu";
>> +                       tlb-split;
>> +
>> +                       cpu2_intc: interrupt-controller {
>> +                               compatible = "riscv,cpu-intc";
>> +                               interrupt-controller;
>> +                               #interrupt-cells = <1>;
>> +                       };
>> +               };
>> +
>> +               U74_3: cpu at 3 {
>> +                       compatible = "sifive,u74-mc", "riscv";
>> +                       reg = <3>;
>> +                       d-cache-block-size = <64>;
>> +                       d-cache-sets = <64>;
>> +                       d-cache-size = <32768>;
>> +                       d-tlb-sets = <1>;
>> +                       d-tlb-size = <40>;
>> +                       device_type = "cpu";
>> +                       i-cache-block-size = <64>;
>> +                       i-cache-sets = <64>;
>> +                       i-cache-size = <32768>;
>> +                       i-tlb-sets = <1>;
>> +                       i-tlb-size = <40>;
>> +                       mmu-type = "riscv,sv39";
>> +                       next-level-cache = <&ccache>;
>> +                       riscv,isa = "rv64imafdcbsu";
>> +                       tlb-split;
>> +
>> +                       cpu3_intc: interrupt-controller {
>> +                               compatible = "riscv,cpu-intc";
>> +                               interrupt-controller;
>> +                               #interrupt-cells = <1>;
>> +                       };
>> +               };
>> +
>> +               U74_4: cpu at 4 {
>> +                       compatible = "sifive,u74-mc", "riscv";
>> +                       reg = <4>;
>> +                       d-cache-block-size = <64>;
>> +                       d-cache-sets = <64>;
>> +                       d-cache-size = <32768>;
>> +                       d-tlb-sets = <1>;
>> +                       d-tlb-size = <40>;
>> +                       device_type = "cpu";
>> +                       i-cache-block-size = <64>;
>> +                       i-cache-sets = <64>;
>> +                       i-cache-size = <32768>;
>> +                       i-tlb-sets = <1>;
>> +                       i-tlb-size = <40>;
>> +                       mmu-type = "riscv,sv39";
>> +                       next-level-cache = <&ccache>;
>> +                       riscv,isa = "rv64imafdcbsu";
> 
> Looking at SiFive U74 manuals, shouldn't this be RV64GC_Zba_Zbb_Sscofpmf?
> U74 only supports Zba and Zbb bit manip extensions.
> This is from the 21G3.02.00 release manual.
> 
> Looking more, S76 core is listed in the manual as supporting up to:
> RV64IMAC_Zicsr_Zifencei_Zba_Zbb_Sscofpmf.
> 
> I almost forgot about _Zicsr_Zifencei (which are part of G). Shouldn't
> those be listed too in riscv,isa?

AFAIK we don't support Z/X in U-Boot.

--Sean

>> +                       tlb-split;
>> +
>> +                       cpu4_intc: interrupt-controller {
>> +                               compatible = "riscv,cpu-intc";
>> +                               interrupt-controller;
>> +                               #interrupt-cells = <1>;
>> +                       };
>> +               };
>> +
>> +               cpu-map {
>> +                       cluster0 {
>> +                               core0 {
>> +                                       cpu = <&S76_0>;
>> +                               };
>> +
>> +                               core1 {
>> +                                       cpu = <&U74_1>;
>> +                               };
>> +
>> +                               core2 {
>> +                                       cpu = <&U74_2>;
>> +                               };
>> +
>> +                               core3 {
>> +                                       cpu = <&U74_3>;
>> +                               };
>> +
>> +                               core4 {
>> +                                       cpu = <&U74_4>;
>> +                               };
>> +                       };
>> +               };
>> +       };
>> +
>> +       osc: osc {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       clk_rtc: clk_rtc {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       gmac0_rmii_refin: gmac0_rmii_refin {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       gmac0_rgmii_rxin: gmac0_rgmii_rxin {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       gmac1_rmii_refin: gmac1_rmii_refin {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       gmac1_rgmii_rxin: gmac1_rgmii_rxin {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       i2stx_bclk_ext: i2stx_bclk_ext {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       i2stx_lrck_ext: i2stx_lrck_ext {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       i2srx_bclk_ext: i2srx_bclk_ext {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       i2srx_lrck_ext: i2srx_lrck_ext {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       tdm_ext: tdm_ext {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       mclk_ext: mclk_ext {
>> +               compatible = "fixed-clock";
>> +               #clock-cells = <0>;
>> +               /* This value must be overridden by the board */
>> +               clock-frequency = <0>;
>> +       };
>> +
>> +       soc {
>> +               compatible = "simple-bus";
>> +               interrupt-parent = <&plic>;
>> +               #address-cells = <2>;
>> +               #size-cells = <2>;
>> +               ranges;
>> +
>> +               clint: clint at 2000000 {
>> +                       compatible = "starfive,jh7110-clint", "sifive,clint0";
>> +                       reg = <0x0 0x2000000 0x0 0x10000>;
>> +                       interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
>> +                                             <&cpu1_intc 3>, <&cpu1_intc 7>,
>> +                                             <&cpu2_intc 3>, <&cpu2_intc 7>,
>> +                                             <&cpu3_intc 3>, <&cpu3_intc 7>,
>> +                                             <&cpu4_intc 3>, <&cpu4_intc 7>;
>> +               };
>> +
>> +               plic: plic at c000000 {
>> +                       compatible = "starfive,jh7110-plic", "sifive,plic-1.0.0";
>> +                       reg = <0x0 0xc000000 0x0 0x4000000>;
>> +                       interrupts-extended = <&cpu0_intc 11>,
>> +                                             <&cpu1_intc 11>, <&cpu1_intc 9>,
>> +                                             <&cpu2_intc 11>, <&cpu2_intc 9>,
>> +                                             <&cpu3_intc 11>, <&cpu3_intc 9>,
>> +                                             <&cpu4_intc 11>, <&cpu4_intc 9>;
>> +                       interrupt-controller;
>> +                       #interrupt-cells = <1>;
>> +                       #address-cells = <0>;
>> +                       riscv,ndev = <136>;
>> +               };
>> +
>> +               ccache: cache-controller at 2010000 {
>> +                       compatible = "starfive,jh7110-ccache", "cache";
>> +                       reg = <0x0 0x2010000 0x0 0x4000>;
>> +                       interrupts = <1>, <3>, <4>, <2>;
>> +                       cache-block-size = <64>;
>> +                       cache-level = <2>;
>> +                       cache-sets = <2048>;
>> +                       cache-size = <2097152>;
>> +                       cache-unified;
>> +               };
>> +
>> +               syscrg: clock-controller at 13020000 {
>> +                       compatible = "starfive,jh7110-syscrg";
>> +                       reg = <0x0 0x13020000 0x0 0x10000>;
>> +                       clocks = <&osc>, <&gmac1_rmii_refin>,
>> +                                <&gmac1_rgmii_rxin>,
>> +                                <&i2stx_bclk_ext>, <&i2stx_lrck_ext>,
>> +                                <&i2srx_bclk_ext>, <&i2srx_lrck_ext>,
>> +                                <&tdm_ext>, <&mclk_ext>;
>> +                       clock-names = "osc", "gmac1_rmii_refin",
>> +                                     "gmac1_rgmii_rxin",
>> +                                     "i2stx_bclk_ext", "i2stx_lrck_ext",
>> +                                     "i2srx_bclk_ext", "i2srx_lrck_ext",
>> +                                     "tdm_ext", "mclk_ext";
>> +                       #clock-cells = <1>;
>> +                       #reset-cells = <1>;
>> +               };
>> +
>> +               aoncrg: clock-controller at 17000000 {
>> +                       compatible = "starfive,jh7110-aoncrg";
>> +                       reg = <0x0 0x17000000 0x0 0x10000>;
>> +                       clocks = <&osc>, <&clk_rtc>,
>> +                                <&gmac0_rmii_refin>, <&gmac0_rgmii_rxin>,
>> +                                <&syscrg JH7110_SYSCLK_STG_AXIAHB>,
>> +                                <&syscrg JH7110_SYSCLK_APB_BUS_FUNC>,
>> +                                <&syscrg JH7110_SYSCLK_GMAC0_GTXCLK>;
>> +                       clock-names = "osc", "clk_rtc", "gmac0_rmii_refin",
>> +                                     "gmac0_rgmii_rxin", "stg_axiahb",
>> +                                     "apb_bus_func", "gmac0_gtxclk";
>> +                       #clock-cells = <1>;
>> +                       #reset-cells = <1>;
>> +               };
>> +
>> +               stgcrg: clock-controller at 10230000 {
>> +                       compatible = "starfive,jh7110-stgcrg";
>> +                       reg = <0x0 0x10230000 0x0 0x10000>;
>> +                       #clock-cells = <1>;
>> +                       #reset-cells = <1>;
>> +               };
>> +
>> +               gpio: gpio at 13040000 {
>> +                       compatible = "starfive,jh7110-sys-pinctrl";
>> +                       reg = <0x0 0x13040000 0x0 0x10000>;
>> +                       reg-names = "control";
>> +                       clocks = <&syscrg JH7110_SYSCLK_IOMUX>;
>> +                       resets = <&syscrg JH7110_SYSRST_IOMUX>;
>> +                       interrupts = <86>;
>> +                       interrupt-controller;
>> +                       #interrupt-cells = <2>;
>> +                       gpio-controller;
>> +                       #gpio-cells = <2>;
>> +               };
>> +
>> +               gpioa: gpio at 17020000 {
>> +                       compatible = "starfive,jh7110-aon-pinctrl";
>> +                       reg = <0x0 0x17020000 0x0 0x10000>;
>> +                       reg-names = "control";
>> +                       resets = <&aoncrg JH7110_AONRST_AON_IOMUX>;
>> +                       interrupts = <85>;
>> +                       interrupt-controller;
>> +                       #interrupt-cells = <2>;
>> +                       gpio-controller;
>> +                       #gpio-cells = <2>;
>> +               };
>> +
>> +               uart0: serial at 10000000 {
>> +                       compatible = "snps,dw-apb-uart";
>> +                       reg = <0x0 0x10000000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_UART0_CORE>,
>> +                                <&syscrg JH7110_SYSCLK_UART0_APB>;
>> +                       clock-names = "baudclk", "apb_pclk";
>> +                       resets = <&syscrg JH7110_SYSRST_UART0_APB>,
>> +                                <&syscrg JH7110_SYSRST_UART0_CORE>;
>> +                       interrupts = <32>;
>> +                       reg-io-width = <4>;
>> +                       reg-shift = <2>;
>> +                       status = "disabled";
>> +               };
>> +
>> +               uart1: serial at 10010000 {
>> +                       compatible = "snps,dw-apb-uart";
>> +                       reg = <0x0 0x10010000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_UART1_CORE>,
>> +                                <&syscrg JH7110_SYSCLK_UART1_APB>;
>> +                       clock-names = "baudclk", "apb_pclk";
>> +                       resets = <&syscrg JH7110_SYSRST_UART1_APB>,
>> +                                <&syscrg JH7110_SYSRST_UART1_CORE>;
>> +                       interrupts = <33>;
>> +                       reg-io-width = <4>;
>> +                       reg-shift = <2>;
>> +                       status = "disabled";
>> +               };
>> +
>> +               uart2: serial at 10020000 {
>> +                       compatible = "snps,dw-apb-uart";
>> +                       reg = <0x0 0x10020000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_UART2_CORE>,
>> +                                <&syscrg JH7110_SYSCLK_UART2_APB>;
>> +                       clock-names = "baudclk", "apb_pclk";
>> +                       resets = <&syscrg JH7110_SYSRST_UART2_APB>,
>> +                                <&syscrg JH7110_SYSRST_UART2_CORE>;
>> +                       interrupts = <34>;
>> +                       reg-io-width = <4>;
>> +                       reg-shift = <2>;
>> +                       status = "disabled";
>> +               };
>> +
>> +               uart3: serial at 12000000 {
>> +                       compatible = "snps,dw-apb-uart";
>> +                       reg = <0x0 0x12000000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_UART3_CORE>,
>> +                                <&syscrg JH7110_SYSCLK_UART3_APB>;
>> +                       clock-names = "baudclk", "apb_pclk";
>> +                       resets = <&syscrg JH7110_SYSRST_UART3_APB>,
>> +                                <&syscrg JH7110_SYSRST_UART3_CORE>;
>> +                       interrupts = <45>;
>> +                       reg-io-width = <4>;
>> +                       reg-shift = <2>;
>> +                       status = "disabled";
>> +               };
>> +
>> +               uart4: serial at 12010000 {
>> +                       compatible = "snps,dw-apb-uart";
>> +                       reg = <0x0 0x12010000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_UART4_CORE>,
>> +                                <&syscrg JH7110_SYSCLK_UART4_APB>;
>> +                       clock-names = "baudclk", "apb_pclk";
>> +                       resets = <&syscrg JH7110_SYSRST_UART4_APB>,
>> +                                <&syscrg JH7110_SYSRST_UART4_CORE>;
>> +                       interrupts = <46>;
>> +                       reg-io-width = <4>;
>> +                       reg-shift = <2>;
>> +                       status = "disabled";
>> +               };
>> +
>> +               uart5: serial at 12020000 {
>> +                       compatible = "snps,dw-apb-uart";
>> +                       reg = <0x0 0x12020000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_UART5_CORE>,
>> +                                <&syscrg JH7110_SYSCLK_UART5_APB>;
>> +                       clock-names = "baudclk", "apb_pclk";
>> +                       resets = <&syscrg JH7110_SYSRST_UART5_APB>,
>> +                                <&syscrg JH7110_SYSRST_UART5_CORE>;
>> +                       interrupts = <47>;
>> +                       reg-io-width = <4>;
>> +                       reg-shift = <2>;
>> +                       status = "disabled";
>> +               };
>> +
>> +               sdio0: mmc at 16010000 {
>> +                       compatible = "snps,dw-mshc";
>> +                       reg = <0x0 0x16010000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_SDIO0_AHB>,
>> +                                <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
>> +                       clock-names = "biu", "ciu";
>> +                       resets = <&syscrg JH7110_SYSRST_SDIO0_AHB>;
>> +                       reset-names = "reset";
>> +                       interrupts = <74>;
>> +                       data-addr = <0>;
>> +                       fifo-depth = <32>;
>> +                       fifo-watermark-aligned;
>> +                       status = "disabled";
>> +               };
>> +
>> +               sdio1: mmc at 16020000 {
>> +                       compatible = "snps,dw-mshc";
>> +                       reg = <0x0 0x16020000 0x0 0x10000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_SDIO1_AHB>,
>> +                                <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
>> +                       clock-names = "biu", "ciu";
>> +                       resets = <&syscrg JH7110_SYSRST_SDIO1_AHB>;
>> +                       reset-names = "reset";
>> +                       interrupts = <75>;
>> +                       data-addr = <0>;
>> +                       fifo-depth = <32>;
>> +                       fifo-watermark-aligned;
>> +                       status = "disabled";
>> +               };
>> +
>> +               qspi: spi at 13010000 {
>> +                       compatible = "cdns,qspi-nor";
>> +                       reg = <0x0 0x13010000 0x0 0x10000
>> +                               0x0 0x21000000 0x0 0x400000>;
>> +                       clocks = <&syscrg JH7110_SYSCLK_QSPI_REF>;
>> +                       clock-names = "clk_ref";
>> +                       resets = <&syscrg JH7110_SYSRST_QSPI_APB>,
>> +                                <&syscrg JH7110_SYSRST_QSPI_AHB>,
>> +                                <&syscrg JH7110_SYSRST_QSPI_REF>;
>> +                       resets-names = "rst_apb", "rst_ahb", "rst_ref";
>> +                       cdns,fifo-depth = <256>;
>> +                       cdns,fifo-width = <4>;
>> +                       #address-cells = <1>;
>> +                       #size-cells = <0>;
>> +               };
>> +       };
>> +};
>> --
>> 2.17.1
>>



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