Re: [PATCH v2 7/9] riscv: dts: add initial support for the SiFive FU740-C000 SoC

From: Bin Meng
Date: Thu Dec 10 2020 - 08:38:40 EST

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On Tue, Dec 8, 2020 at 3:06 PM Yash Shah <yash.shah@xxxxxxxxxx> wrote:
>
> Add initial support for the SiFive FU540-C000 SoC. FU740-C000 is built

FU740-C000 Soc

> around the SiFIve U7 Core Complex and a TileLink interconnect.
>
> This file is expected to grow as more device drivers are added to the
> kernel.
>
> Signed-off-by: Yash Shah <yash.shah@xxxxxxxxxx>
> ---
> arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 293 +++++++++++++++++++++++++++++
> 1 file changed, 293 insertions(+)
> create mode 100644 arch/riscv/boot/dts/sifive/fu740-c000.dtsi
>
> diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
> new file mode 100644
> index 0000000..eeb4f8c3
> --- /dev/null
> +++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
> @@ -0,0 +1,293 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/* Copyright (c) 2020 SiFive, Inc */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/clock/sifive-fu740-prci.h>
> +
> +/ {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + compatible = "sifive,fu740-c000", "sifive,fu740";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + ethernet0 = &eth0;
> + };
> +
> + chosen {
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + cpu0: cpu@0 {
> + compatible = "sifive,bullet0", "riscv";
> + device_type = "cpu";
> + i-cache-block-size = <64>;
> + i-cache-sets = <128>;
> + i-cache-size = <16384>;
> + next-level-cache = <&ccache>;
> + reg = <0x0>;
> + riscv,isa = "rv64imac";
> + status = "disabled";
> + cpu0_intc: interrupt-controller {
> + #interrupt-cells = <1>;
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + };
> + };
> + cpu1: cpu@1 {
> + compatible = "sifive,bullet0", "riscv";
> + 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 = <128>;
> + i-cache-size = <32768>;
> + i-tlb-sets = <1>;
> + i-tlb-size = <40>;
> + mmu-type = "riscv,sv39";
> + next-level-cache = <&ccache>;
> + reg = <0x1>;
> + riscv,isa = "rv64imafdc";
> + tlb-split;
> + cpu1_intc: interrupt-controller {
> + #interrupt-cells = <1>;
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + };
> + };
> + cpu2: cpu@2 {
> + compatible = "sifive,bullet0", "riscv";
> + 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 = <128>;
> + i-cache-size = <32768>;
> + i-tlb-sets = <1>;
> + i-tlb-size = <40>;
> + mmu-type = "riscv,sv39";
> + next-level-cache = <&ccache>;
> + reg = <0x2>;
> + riscv,isa = "rv64imafdc";
> + tlb-split;
> + cpu2_intc: interrupt-controller {
> + #interrupt-cells = <1>;
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + };
> + };
> + cpu3: cpu@3 {
> + compatible = "sifive,bullet0", "riscv";
> + 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 = <128>;
> + i-cache-size = <32768>;
> + i-tlb-sets = <1>;
> + i-tlb-size = <40>;
> + mmu-type = "riscv,sv39";
> + next-level-cache = <&ccache>;
> + reg = <0x3>;
> + riscv,isa = "rv64imafdc";
> + tlb-split;
> + cpu3_intc: interrupt-controller {
> + #interrupt-cells = <1>;
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + };
> + };
> + cpu4: cpu@4 {
> + compatible = "sifive,bullet0", "riscv";
> + 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 = <128>;
> + i-cache-size = <32768>;
> + i-tlb-sets = <1>;
> + i-tlb-size = <40>;
> + mmu-type = "riscv,sv39";
> + next-level-cache = <&ccache>;
> + reg = <0x4>;
> + riscv,isa = "rv64imafdc";
> + tlb-split;
> + cpu4_intc: interrupt-controller {
> + #interrupt-cells = <1>;
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + };
> + };
> + };
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + compatible = "simple-bus";
> + ranges;
> + plic0: interrupt-controller@c000000 {
> + #interrupt-cells = <1>;
> + #address-cells = <0>;
> + compatible = "sifive,fu540-c000-plic", "sifive,plic-1.0.0";

I don't see bindings updated for FU740 PLIC, like "sifive,fu740-c000-plic"?

> + reg = <0x0 0xc000000 0x0 0x4000000>;
> + riscv,ndev = <69>;
> + interrupt-controller;
> + interrupts-extended = <
> + &cpu0_intc 0xffffffff
> + &cpu1_intc 0xffffffff &cpu1_intc 9
> + &cpu2_intc 0xffffffff &cpu2_intc 9
> + &cpu3_intc 0xffffffff &cpu3_intc 9
> + &cpu4_intc 0xffffffff &cpu4_intc 9>;
> + };
> + prci: clock-controller@10000000 {
> + compatible = "sifive,fu740-c000-prci";
> + reg = <0x0 0x10000000 0x0 0x1000>;
> + clocks = <&hfclk>, <&rtcclk>;
> + #clock-cells = <1>;
> + };
> + uart0: serial@10010000 {
> + compatible = "sifive,fu740-c000-uart", "sifive,uart0";
> + reg = <0x0 0x10010000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <39>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + status = "disabled";
> + };
> + uart1: serial@10011000 {
> + compatible = "sifive,fu740-c000-uart", "sifive,uart0";
> + reg = <0x0 0x10011000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <40>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + status = "disabled";
> + };
> + i2c0: i2c@10030000 {
> + compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
> + reg = <0x0 0x10030000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <52>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + reg-shift = <2>;
> + reg-io-width = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> + i2c1: i2c@10031000 {
> + compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
> + reg = <0x0 0x10031000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <53>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + reg-shift = <2>;
> + reg-io-width = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> + qspi0: spi@10040000 {
> + compatible = "sifive,fu740-c000-spi", "sifive,spi0";
> + reg = <0x0 0x10040000 0x0 0x1000>,
> + <0x0 0x20000000 0x0 0x10000000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <41>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> + qspi1: spi@10041000 {
> + compatible = "sifive,fu740-c000-spi", "sifive,spi0";
> + reg = <0x0 0x10041000 0x0 0x1000>,
> + <0x0 0x30000000 0x0 0x10000000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <42>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> + spi0: spi@10050000 {
> + compatible = "sifive,fu740-c000-spi", "sifive,spi0";
> + reg = <0x0 0x10050000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <43>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> + eth0: ethernet@10090000 {
> + compatible = "sifive,fu540-c000-gem";

"sifive,fu740-c000-gem"?

> + interrupt-parent = <&plic0>;
> + interrupts = <55>;
> + reg = <0x0 0x10090000 0x0 0x2000>,
> + <0x0 0x100a0000 0x0 0x1000>;
> + local-mac-address = [00 00 00 00 00 00];
> + clock-names = "pclk", "hclk";
> + clocks = <&prci PRCI_CLK_GEMGXLPLL>,
> + <&prci PRCI_CLK_GEMGXLPLL>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> + pwm0: pwm@10020000 {
> + compatible = "sifive,fu740-c000-pwm", "sifive,pwm0";
> + reg = <0x0 0x10020000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <44>, <45>, <46>, <47>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + #pwm-cells = <3>;
> + status = "disabled";
> + };
> + pwm1: pwm@10021000 {
> + compatible = "sifive,fu740-c000-pwm", "sifive,pwm0";
> + reg = <0x0 0x10021000 0x0 0x1000>;
> + interrupt-parent = <&plic0>;
> + interrupts = <48>, <49>, <50>, <51>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + #pwm-cells = <3>;
> + status = "disabled";
> + };
> + ccache: cache-controller@2010000 {
> + compatible = "sifive,fu740-c000-ccache", "cache";
> + cache-block-size = <64>;
> + cache-level = <2>;
> + cache-sets = <2048>;
> + cache-size = <2097152>;
> + cache-unified;
> + interrupt-parent = <&plic0>;
> + interrupts = <19 20 21 22>;
> + reg = <0x0 0x2010000 0x0 0x1000>;
> + };
> + gpio: gpio@10060000 {
> + compatible = "sifive,fu740-c000-gpio", "sifive,gpio0";
> + interrupt-parent = <&plic0>;
> + interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>,
> + <30>, <31>, <32>, <33>, <34>, <35>, <36>,
> + <37>, <38>;
> + reg = <0x0 0x10060000 0x0 0x1000>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + clocks = <&prci PRCI_CLK_PCLK>;
> + status = "disabled";
> + };
> + };
> +};

Regards,
Bin

Next message: Lai Jiangshan: "[PATCH V2 2/3] x86/mm/pti: issue warning when mapping large pmd beyond specifid range"
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