As CV180x and CV181x have the identical layouts, it is OK to use the
cv1800b basic device tree for the whole series.
For CV1800B soc specific compatible, just move them out of the common
file.
Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx>
---
arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 119 ++---------------------
arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 120 ++++++++++++++++++++++++
2 files changed, 127 insertions(+), 112 deletions(-)
create mode 100644 arch/riscv/boot/dts/sophgo/cv18xx.dtsi
diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
index df40e87ee063..165e9e320a8c 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
@@ -3,121 +3,16 @@
* Copyright (C) 2023 Jisheng Zhang <jszhang@xxxxxxxxxx>
*/
-#include <dt-bindings/interrupt-controller/irq.h>
+#include "cv18xx.dtsi"
/ {
compatible = "sophgo,cv1800b";
- #address-cells = <1>;
- #size-cells = <1>;
-
- cpus: cpus {
- #address-cells = <1>;
- #size-cells = <0>;
- timebase-frequency = <25000000>;
-
- cpu0: cpu@0 {
- compatible = "thead,c906", "riscv";
- device_type = "cpu";
- reg = <0>;
- d-cache-block-size = <64>;
- d-cache-sets = <512>;
- d-cache-size = <65536>;
- i-cache-block-size = <64>;
- i-cache-sets = <128>;
- i-cache-size = <32768>;
- mmu-type = "riscv,sv39";
- riscv,isa = "rv64imafdc";
- riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
- "zifencei", "zihpm";
-
- cpu0_intc: interrupt-controller {
- compatible = "riscv,cpu-intc";
- interrupt-controller;
- #address-cells = <0>;
- #interrupt-cells = <1>;
- };
- };
- };
-
- osc: oscillator {
- compatible = "fixed-clock";
- clock-output-names = "osc_25m";
- #clock-cells = <0>;
- };
-
- soc {
- compatible = "simple-bus";
- interrupt-parent = <&plic>;
- #address-cells = <1>;
- #size-cells = <1>;
- dma-noncoherent;
- ranges;
-
- uart0: serial@4140000 {
- compatible = "snps,dw-apb-uart";
- reg = <0x04140000 0x100>;
- interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&osc>;
- reg-shift = <2>;
- reg-io-width = <4>;
- status = "disabled";
- };
-
- uart1: serial@4150000 {
- compatible = "snps,dw-apb-uart";
- reg = <0x04150000 0x100>;
- interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&osc>;
- reg-shift = <2>;
- reg-io-width = <4>;
- status = "disabled";
- };
-
- uart2: serial@4160000 {
- compatible = "snps,dw-apb-uart";
- reg = <0x04160000 0x100>;
- interrupts = <46 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&osc>;
- reg-shift = <2>;
- reg-io-width = <4>;
- status = "disabled";
- };
-
- uart3: serial@4170000 {
- compatible = "snps,dw-apb-uart";
- reg = <0x04170000 0x100>;
- interrupts = <47 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&osc>;
- reg-shift = <2>;
- reg-io-width = <4>;
- status = "disabled";
- };
-
- uart4: serial@41c0000 {
- compatible = "snps,dw-apb-uart";
- reg = <0x041c0000 0x100>;
- interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&osc>;
- reg-shift = <2>;
- reg-io-width = <4>;
- status = "disabled";
- };
+};
- plic: interrupt-controller@70000000 {
- compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
- reg = <0x70000000 0x4000000>;
- interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
- interrupt-controller;
- #address-cells = <0>;
- #interrupt-cells = <2>;
- riscv,ndev = <101>;
- };
+&plic {
+ compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
+};
- clint: timer@74000000 {
- compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
- reg = <0x74000000 0x10000>;
- interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
- };
- };
+&clint {
+ compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
};
diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
new file mode 100644
index 000000000000..55d4bc84faa0
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2023 Jisheng Zhang <jszhang@xxxxxxxxxx>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus: cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ timebase-frequency = <25000000>;
+
+ cpu0: cpu@0 {
+ compatible = "thead,c906", "riscv";
+ device_type = "cpu";
+ reg = <0>;
+ d-cache-block-size = <64>;
+ d-cache-sets = <512>;
+ d-cache-size = <65536>;
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <32768>;
+ mmu-type = "riscv,sv39";
+ riscv,isa = "rv64imafdc";
+ riscv,isa-base = "rv64i";
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+ "zifencei", "zihpm";
+
+ cpu0_intc: interrupt-controller {
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ };
+ };
+ };
+
+ osc: oscillator {
+ compatible = "fixed-clock";
+ clock-output-names = "osc_25m";
+ #clock-cells = <0>;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ interrupt-parent = <&plic>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ dma-noncoherent;
+ ranges;
+
+ uart0: serial@4140000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x04140000 0x100>;
+ interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart1: serial@4150000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x04150000 0x100>;
+ interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart2: serial@4160000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x04160000 0x100>;
+ interrupts = <46 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart3: serial@4170000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x04170000 0x100>;
+ interrupts = <47 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart4: serial@41c0000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x041c0000 0x100>;
+ interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ plic: interrupt-controller@70000000 {
+ reg = <0x70000000 0x4000000>;
+ interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <2>;
+ riscv,ndev = <101>;
+ };
+
+ clint: timer@74000000 {
+ reg = <0x74000000 0x10000>;
+ interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
+ };
+ };
+};
--
2.42.0
