[PATCH v6 1/7] riscv: dts: add fu740 support
Rick Chen
rickchen36 at gmail.com
Thu Apr 15 07:25:41 CEST 2021
Hi Green,
> From: Green Wan [mailto:green.wan at sifive.com]
> Sent: Thursday, April 08, 2021 9:40 PM
> Cc: bmeng.cn at gmail.com; Green Wan; Greentime Hu; Rick Jian-Zhi Chen(陳建志); Paul Walmsley; Palmer Dabbelt; Anup Patel; Atish Patra; Pragnesh Patel; Lukasz Majewski; Joe Hershberger; Ramon Fried; u-boot at lists.denx.de
> Subject: [PATCH v6 1/7] riscv: dts: add fu740 support
>
> Add dts support for fu740. The HiFive Unmatched support is based on
> fu740 cpu and drivers in following patch set.
>
> Signed-off-by: Green Wan <green.wan at sifive.com>
> [greentime.hu: set fu740 speed to 1.2GHz]
> Signed-off-by: Greentime Hu <greentime.hu at sifive.com>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> ---
> arch/riscv/dts/Makefile | 1 +
> arch/riscv/dts/fu740-c000-u-boot.dtsi | 105 ++++++
> arch/riscv/dts/fu740-c000.dtsi | 329 ++++++++++++++++++
> include/dt-bindings/clock/sifive-fu740-prci.h | 25 ++
> include/dt-bindings/reset/sifive-fu740-prci.h | 19 +
> 5 files changed, 479 insertions(+)
> create mode 100644 arch/riscv/dts/fu740-c000-u-boot.dtsi
> create mode 100644 arch/riscv/dts/fu740-c000.dtsi
> create mode 100644 include/dt-bindings/clock/sifive-fu740-prci.h
> create mode 100644 include/dt-bindings/reset/sifive-fu740-prci.h
>
> diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile
> index 8138d89d84..ed32f56c9e 100644
> --- a/arch/riscv/dts/Makefile
> +++ b/arch/riscv/dts/Makefile
> @@ -2,6 +2,7 @@
>
> dtb-$(CONFIG_TARGET_AX25_AE350) += ae350_32.dtb ae350_64.dtb
> dtb-$(CONFIG_TARGET_SIFIVE_UNLEASHED) += hifive-unleashed-a00.dtb
> +dtb-$(CONFIG_TARGET_SIFIVE_UNMATCHED) += hifive-unmatched-a00.dtb
Makefile need the dts file, but it is not exist in this patch. It
doesn't make sense.
Maybe you can combine with the dts relative files in [PATCH v6 6/7]
into one patch and name as :
riscv: dts: ...
LGTM.
Other than that,
Reviewed-by: Rick Chen <rick at andestech.com>
> dtb-$(CONFIG_TARGET_SIPEED_MAIX) += k210-maix-bit.dtb
> dtb-$(CONFIG_TARGET_MICROCHIP_ICICLE) += microchip-mpfs-icicle-kit.dtb
>
> diff --git a/arch/riscv/dts/fu740-c000-u-boot.dtsi b/arch/riscv/dts/fu740-c000-u-boot.dtsi
> new file mode 100644
> index 0000000000..a5d0688b06
> --- /dev/null
> +++ b/arch/riscv/dts/fu740-c000-u-boot.dtsi
> @@ -0,0 +1,105 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * (C) Copyright 2020-2021 SiFive, Inc
> + */
> +
> +#include <dt-bindings/reset/sifive-fu740-prci.h>
> +
> +/ {
> + cpus {
> + assigned-clocks = <&prci PRCI_CLK_COREPLL>;
> + assigned-clock-rates = <1200000000>;
> + u-boot,dm-spl;
> + cpu0: cpu at 0 {
> + clocks = <&prci PRCI_CLK_COREPLL>;
> + u-boot,dm-spl;
> + status = "okay";
> + cpu0_intc: interrupt-controller {
> + u-boot,dm-spl;
> + };
> + };
> + cpu1: cpu at 1 {
> + clocks = <&prci PRCI_CLK_COREPLL>;
> + u-boot,dm-spl;
> + cpu1_intc: interrupt-controller {
> + u-boot,dm-spl;
> + };
> + };
> + cpu2: cpu at 2 {
> + clocks = <&prci PRCI_CLK_COREPLL>;
> + u-boot,dm-spl;
> + cpu2_intc: interrupt-controller {
> + u-boot,dm-spl;
> + };
> + };
> + cpu3: cpu at 3 {
> + clocks = <&prci PRCI_CLK_COREPLL>;
> + u-boot,dm-spl;
> + cpu3_intc: interrupt-controller {
> + u-boot,dm-spl;
> + };
> + };
> + cpu4: cpu at 4 {
> + clocks = <&prci PRCI_CLK_COREPLL>;
> + u-boot,dm-spl;
> + cpu4_intc: interrupt-controller {
> + u-boot,dm-spl;
> + };
> + };
> + };
> +
> + soc {
> + u-boot,dm-spl;
> + clint: clint at 2000000 {
> + compatible = "riscv,clint0";
> + 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>;
> + reg = <0x0 0x2000000 0x0 0x10000>;
> + u-boot,dm-spl;
> + };
> + prci: clock-controller at 10000000 {
> + #reset-cells = <1>;
> + resets = <&prci PRCI_RST_DDR_CTRL_N>,
> + <&prci PRCI_RST_DDR_AXI_N>,
> + <&prci PRCI_RST_DDR_AHB_N>,
> + <&prci PRCI_RST_DDR_PHY_N>,
> + <&prci PRCI_RST_GEMGXL_N>,
> + <&prci PRCI_RST_CLTX_N>;
> + reset-names = "ddr_ctrl", "ddr_axi", "ddr_ahb",
> + "ddr_phy", "gemgxl_reset", "cltx_reset";
> + };
> + dmc: dmc at 100b0000 {
> + compatible = "sifive,fu740-c000-ddr";
> + reg = <0x0 0x100b0000 0x0 0x0800
> + 0x0 0x100b2000 0x0 0x2000
> + 0x0 0x100b8000 0x0 0x1000>;
> + clocks = <&prci PRCI_CLK_DDRPLL>;
> + clock-frequency = <933333324>;
> + u-boot,dm-spl;
> + };
> + };
> +};
> +
> +&prci {
> + u-boot,dm-spl;
> +};
> +
> +&uart0 {
> + u-boot,dm-spl;
> +};
> +
> +&spi0 {
> + u-boot,dm-spl;
> +};
> +
> +ð0 {
> + assigned-clocks = <&prci PRCI_CLK_GEMGXLPLL>;
> + assigned-clock-rates = <125125000>;
> +};
> +
> +&ccache {
> + status = "okay";
> +};
> diff --git a/arch/riscv/dts/fu740-c000.dtsi b/arch/riscv/dts/fu740-c000.dtsi
> new file mode 100644
> index 0000000000..0325e51e39
> --- /dev/null
> +++ b/arch/riscv/dts/fu740-c000.dtsi
> @@ -0,0 +1,329 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/* Copyright (c) 2020-2021 SiFive, Inc */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/clock/sifive-fu740-prci.h>
> +#include <dt-bindings/reset/sifive-fu740-prci.h>
> +
> +/ {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + compatible = "sifive,fu740-c000", "sifive,fu740";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + ethernet0 = ð0;
> + };
> +
> + chosen {
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + cpu0: cpu at 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 at 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 at 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 at 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 at 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 = "sifive,fu740-c000", "sifive,fu740", "simple-bus";
> + ranges;
> + plic0: interrupt-controller at c000000 {
> + #interrupt-cells = <1>;
> + compatible = "sifive,plic-1.0.0";
> + 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 at 10000000 {
> + compatible = "sifive,fu740-c000-prci";
> + reg = <0x0 0x10000000 0x0 0x1000>;
> + clocks = <&hfclk>, <&rtcclk>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> + uart0: serial at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 10090000 {
> + compatible = "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 at 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 at 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 at 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 21 22 20>;
> + reg = <0x0 0x2010000 0x0 0x1000>;
> + };
> + gpio: gpio at 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";
> + };
> + pcie at e00000000 {
> + #address-cells = <3>;
> + #interrupt-cells = <1>;
> + #num-lanes = <8>;
> + #size-cells = <2>;
> + compatible = "sifive,fu740-pcie";
> + reg = <0xe 0x00000000 0x1 0x0
> + 0xd 0xf0000000 0x0 0x10000000
> + 0x0 0x100d0000 0x0 0x1000>;
> + reg-names = "dbi", "config", "mgmt";
> + device_type = "pci";
> + dma-coherent;
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x60080000 0x0 0x60080000 0x0 0x10000
> + 0x82000000 0x0 0x60090000 0x0 0x60090000 0x0 0xff70000
> + 0x82000000 0x0 0x70000000 0x0 0x70000000 0x0 0x1000000
> + 0xc3000000 0x20 0x00000000 0x20 0x00000000 0x20 0x00000000>;
> + num-lanes = <0x8>;
> + interrupts = <56 57 58 59 60 61 62 63 64>;
> + interrupt-names = "msi", "inta", "intb", "intc", "intd";
> + interrupt-parent = <&plic0>;
> + interrupt-map-mask = <0x0 0x0 0x0 0x7>;
> + interrupt-map = <0x0 0x0 0x0 0x1 &plic0 57>,
> + <0x0 0x0 0x0 0x2 &plic0 58>,
> + <0x0 0x0 0x0 0x3 &plic0 59>,
> + <0x0 0x0 0x0 0x4 &plic0 60>;
> + pwren-gpios = <&gpio 5 0>;
> + perstn-gpios = <&gpio 8 0>;
> + clocks = <&prci PRCI_CLK_PCIEAUX>;
> + clock-names = "pcieaux";
> + resets = <&prci PRCI_RST_PCIE_POWER_UP_N>;
> + reset-names = "rst_n";
> +
> + status = "okay";
> + };
> + };
> +};
> diff --git a/include/dt-bindings/clock/sifive-fu740-prci.h b/include/dt-bindings/clock/sifive-fu740-prci.h
> new file mode 100644
> index 0000000000..c1224783c0
> --- /dev/null
> +++ b/include/dt-bindings/clock/sifive-fu740-prci.h
> @@ -0,0 +1,25 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR MIT */
> +/*
> + * Copyright (C) 2020-2021 SiFive, Inc.
> + * Wesley Terpstra
> + * Paul Walmsley
> + * Zong Li
> + * Pragnesh Patel
> + */
> +
> +#ifndef __DT_BINDINGS_CLOCK_SIFIVE_FU740_PRCI_H
> +#define __DT_BINDINGS_CLOCK_SIFIVE_FU740_PRCI_H
> +
> +/* Clock indexes for use by Device Tree data and the PRCI driver */
> +
> +#define PRCI_CLK_COREPLL 0
> +#define PRCI_CLK_DDRPLL 1
> +#define PRCI_CLK_GEMGXLPLL 2
> +#define PRCI_CLK_DVFSCOREPLL 3
> +#define PRCI_CLK_HFPCLKPLL 4
> +#define PRCI_CLK_CLTXPLL 5
> +#define PRCI_CLK_TLCLK 6
> +#define PRCI_CLK_PCLK 7
> +#define PRCI_CLK_PCIEAUX 8
> +
> +#endif
> diff --git a/include/dt-bindings/reset/sifive-fu740-prci.h b/include/dt-bindings/reset/sifive-fu740-prci.h
> new file mode 100644
> index 0000000000..02210f4105
> --- /dev/null
> +++ b/include/dt-bindings/reset/sifive-fu740-prci.h
> @@ -0,0 +1,19 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR MIT */
> +/*
> + * Copyright (C) 2020-2021 Sifive, Inc.
> + * Author: Pragnesh Patel <pragnesh.patel at sifive.com>
> + */
> +
> +#ifndef __DT_BINDINGS_RESET_SIFIVE_FU740_PRCI_H
> +#define __DT_BINDINGS_RESET_SIFIVE_FU740_PRCI_H
> +
> +/* Reset indexes for use by device tree data and the PRCI driver */
> +#define PRCI_RST_DDR_CTRL_N 0
> +#define PRCI_RST_DDR_AXI_N 1
> +#define PRCI_RST_DDR_AHB_N 2
> +#define PRCI_RST_DDR_PHY_N 3
> +#define PRCI_RST_PCIE_POWER_UP_N 4
> +#define PRCI_RST_GEMGXL_N 5
> +#define PRCI_RST_CLTX_N 6
> +
> +#endif
> --
> 2.31.0
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