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From: Andes <uboot@andestech.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/2] riscv: dts: Sync DT with Linux Kernel
Date: Thu, 24 May 2018 09:21:47 +0800	[thread overview]
Message-ID: <20180524012147.8746-1-uboot@andestech.com> (raw)

From: Rick Chen <rick@andestech.com>

Use same dts to boot U-Boot and RISC-V
Linux Kernel v4.16-rc2 in ax25-ae350 platform.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Cc: Greentime Hu <green.hu@gmail.com>
---
 arch/riscv/dts/ae350.dts | 204 ++++++++++++++++++++++++++++-------------------
 1 file changed, 122 insertions(+), 82 deletions(-)

diff --git a/arch/riscv/dts/ae350.dts b/arch/riscv/dts/ae350.dts
index 4bfb876..f7d4190 100644
--- a/arch/riscv/dts/ae350.dts
+++ b/arch/riscv/dts/ae350.dts
@@ -1,97 +1,137 @@
 /dts-v1/;
+
 / {
-	compatible = "riscv32 ax25";
-	#address-cells = <1>;
-	#size-cells = <1>;
-	interrupt-parent = <&intc>;
+  #address-cells = <2>;
+  #size-cells = <2>;
+  compatible = "andestech,ax25";
+  model = "andestech,ax25";
+
+  aliases {
+    uart0 = &serial0;
+    spi0 = &spi;
+  } ;
+
+  chosen {
+    bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7";
+    stdout-path = "uart0:38400n8";
+  };
 
-	aliases {
-		uart0 = &serial0;
-		ethernet0 = &mac0;
-		spi0 = &spi;
-	} ;
+  cpus {
+    #address-cells = <1>;
+    #size-cells = <0>;
+    timebase-frequency = <10000000>;
+    CPU0: cpu at 0 {
+      device_type = "cpu";
+      reg = <0>;
+      status = "okay";
+      compatible = "riscv";
+      riscv,isa = "rv64imafdc";
+      mmu-type = "riscv,sv39";
+      clock-frequency = <60000000>;
+      CPU0_intc: interrupt-controller {
+        #interrupt-cells = <1>;
+        interrupt-controller;
+        compatible = "riscv,cpu-intc";
+      };
+    };
+  };
 
-	chosen {
-		bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7";
-		stdout-path = "uart0:38400n8";
-		tick-timer = &timer0;
-	};
+  memory at 0 {
+    device_type = "memory";
+    reg = <0x0 0x00000000 0x0 0x40000000>;
+  };
 
-	memory at 0 {
-		device_type = "memory";
-		reg = <0x00000000 0x40000000>;
-	};
+  soc {
+    #address-cells = <2>;
+    #size-cells = <2>;
+    compatible = "andestech,riscv-ae350-soc";
+    ranges;
+  };
 
-	spiclk: virt_100mhz {
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <100000000>;
-	};
+  plmt0 at e6000000 {
+    compatible = "riscv,plmt0";
+    interrupts-extended = <&CPU0_intc 7>;
+    reg = <0x0 0xe6000000 0x0 0x100000>;
+  };
 
-	cpus {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		cpu at 0 {
-			compatible = "andestech,n13";
-			reg = <0>;
-			/* FIXME: to fill correct frqeuency */
-			clock-frequency = <60000000>;
-		};
-	};
+  plic0: interrupt-controller at e4000000 {
+    compatible = "riscv,plic0";
+    #address-cells = <2>;
+    #interrupt-cells = <2>;
+    interrupt-controller;
+    reg = <0x0 0xe4000000 0x0 0x2000000>;
+    riscv,ndev=<31>;
+    interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9>;
+  };
 
-	intc: interrupt-controller {
-		compatible = "andestech,atnointc010";
-		#interrupt-cells = <1>;
-		interrupt-controller;
-	};
+  plic1: interrupt-controller at e6400000 {
+    compatible = "riscv,plic1";
+    #address-cells = <2>;
+    #interrupt-cells = <2>;
+    interrupt-controller;
+    reg = <0x0 0xe6400000 0x0 0x400000>;
+    riscv,ndev=<1>;
+    interrupts-extended = <&CPU0_intc 3>;
+  };
 
-	serial0: serial at f0300000 {
-		compatible = "andestech,uart16550", "ns16550a";
-		reg = <0xf0300000 0x1000>;
-		interrupts = <7 4>;
-		clock-frequency = <19660800>;
-		reg-shift = <2>;
-		reg-offset = <32>;
-		no-loopback-test = <1>;
-	};
+  spiclk: virt_100mhz {
+    #clock-cells = <0>;
+    compatible = "fixed-clock";
+    clock-frequency = <100000000>;
+  };
 
-	timer0: timer at f0400000 {
-		compatible = "andestech,atcpit100";
-		reg = <0xf0400000 0x1000>;
-		interrupts = <2 4>;
-		clock-frequency = <40000000>;
-	};
+  timer0: timer at f0400000 {
+    compatible = "andestech,atcpit100";
+    reg = <0x0 0xf0400000 0x0 0x1000>;
+    clock-frequency = <40000000>;
+    interrupts = <3 4>;
+    interrupt-parent = <&plic0>;
+  };
 
-	mac0: mac at e0100000 {
-		compatible = "andestech,atmac100";
-		reg = <0xe0100000 0x1000>;
-		interrupts = <25 4>;
-	};
+  serial0: serial at f0300000 {
+    compatible = "andestech,uart16550", "ns16550a";
+    reg = <0x0 0xf0300000 0x0 0x1000>;
+    interrupts = <9 4>;
+    clock-frequency = <19660800>;
+    reg-shift = <2>;
+    reg-offset = <32>;
+    no-loopback-test = <1>;
+    interrupt-parent = <&plic0>;
+  };
 
-	mmc0: mmc at f0e00000 {
-		compatible = "andestech,atsdc010";
-		max-frequency = <100000000>;
-		fifo-depth = <0x10>;
-		reg = <0xf0e00000 0x1000>;
-		interrupts = <17 4>;
-		cap-sd-highspeed;
-	};
+  mac0: mac at e0100000 {
+    compatible = "andestech,atmac100";
+    reg = <0x0 0xe0100000 0x0 0x1000>;
+    interrupts = <19 4>;
+    interrupt-parent = <&plic0>;
+  };
 
-	spi: spi at f0b00000 {
-		compatible = "andestech,atcspi200";
-		reg = <0xf0b00000 0x1000>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-		num-cs = <1>;
-		clocks = <&spiclk>;
-		interrupts = <3 4>;
-			flash at 0 {
-			compatible = "spi-flash";
-			spi-max-frequency = <50000000>;
-			reg = <0>;
-			spi-cpol;
-			spi-cpha;
-		};
-	};
+  mmc0: mmc at f0e00000 {
+    compatible = "andestech,atfsdc010";
+    max-frequency = <100000000>;
+    clock-freq-min-max = <400000 100000000>;
+    fifo-depth = <0x10>;
+    reg = <0x0 0xf0e00000 0x0 0x1000>;
+    interrupts = <18 4>;
+    cap-sd-highspeed;
+    interrupt-parent = <&plic0>;
+  };
 
+  spi: spi at f0b00000 {
+    compatible = "andestech,atcspi200";
+    reg = <0x0 0xf0b00000 0x0 0x1000>;
+    #address-cells = <1>;
+    #size-cells = <0>;
+    num-cs = <1>;
+    clocks = <&spiclk>;
+    interrupts = <3 4>;
+    interrupt-parent = <&plic0>;
+    flash at 0 {
+      compatible = "spi-flash";
+      spi-max-frequency = <50000000>;
+      reg = <0>;
+      spi-cpol;
+      spi-cpha;
+    };
+  };
 };
-- 
2.7.4

                 reply	other threads:[~2018-05-24  1:21 UTC|newest]

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