csky: works without dtb

target/csky/Makefile

@@ -9,13 +9,13 @@ KERNEL:=$(LINUX_DIR)/$(ADK_TARGET_KERNEL)
 
 QEMU_ARGS:=${ADK_QEMU_ARGS} -M virt
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_CSKY_CK610),y)
-QEMU:=qemu-system-cskyv1 -dtb target/csky/qemu.dtb
+QEMU:=qemu-system-cskyv1
 endif
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_CSKY_CK807),y)
-QEMU:=qemu-system-cskyv2 -dtb target/csky/qemu.dtb
+QEMU:=qemu-system-cskyv2
 endif
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_CSKY_CK810),y)
-QEMU:=qemu-system-cskyv2 -dtb target/csky/qemu.dtb
+QEMU:=qemu-system-cskyv2
 endif
 
 # target helper text

target/csky/qemu.dts

@@ -1,87 +0,0 @@
-/dts-v1/;
-
-/ {
-	model = "qemu.csky";
-	compatible = "csky";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	memory {
-		device_type = "memory";
-		reg = <0x0 0x40000000>;
-	};
-
-	soc {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "simple-bus";
-		ranges;
-
-		intc: interrupt-controller {
-			compatible = "csky,intc-v1";
-			reg = <0xfffff000 0x1000>;
-			interrupt-controller;
-			#interrupt-cells = <1>;
-		};
-
-		/* clockevent */
-		timer0 {
-			compatible = "snps,dw-apb-timer";
-			reg = <0xffffd000 0x1000>;
-			clocks = <&dummy_apb>;
-			clock-names = "timer";
-			interrupts = <1>;
-			interrupt-parent = <&intc>;
-		};
-
-		/* clocksource */
-		timer1 {
-			compatible = "snps,dw-apb-timer";
-			reg = <0xffffd014 0x800>;
-			clocks = <&dummy_apb>;
-			clock-names = "timer";
-			interrupts = <2>;
-			interrupt-parent = <&intc>;
-		};
-
-		serial0 {
-			compatible = "ns16550a";
-			reg = <0xffffe000 0x1000>;
-			interrupt-parent = <&intc>;
-			interrupts = <3>;
-			clocks = <&dummy_apb>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <1>;
-		};
-
-		dummy_apb: apb-clock {
-			compatible = "fixed-clock";
-			clock-frequency = <40000000>;
-			clock-output-names = "dummy_apb";
-			#clock-cells = <0>;
-		};
-
-		gmac: ethernet {
-			compatible = "snps,dwmac";
-			reg = <0xffffa000 0x2000>;
-			interrupt-parent = <&intc>;
-			interrupts = <4>;
-			interrupt-names = "macirq";
-			clocks = <&dummy_apb>;
-			clock-names = "stmmaceth";
-			phy-mode = "mii";
-			snps,pbl = <32>;
-			snps,fixed-burst;
-		};
-
-		qemu-exit {
-			compatible = "csky,qemu-exit";
-			reg = <0xffffc000 0x1000>;
-		};
-	};
-
-	chosen {
-		bootargs = "console=ttyS0,115200";
-	};
-};