Hi Rick,
On Mon, Oct 8, 2018 at 1:33 PM Andes uboot@andestech.com wrote:
From: Rick Chen rick@andestech.com
Use same dts to boot U-Boot and Kernel.
Following are the change notes : 1 Remove early printk bootargs. 2 Timer frequency are changed to 60MHz. 3 Add dma, snd, lcd, virtio nodes which are used in kernel drivers. They does not been used by U-Boot. 4 Change spi irq from 3 to 4.
Signed-off-by: Rick Chen rick@andestech.com Cc: Greentime Hu greentime@andestech.com
arch/riscv/dts/ae350.dts | 107 ++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 92 insertions(+), 15 deletions(-)
diff --git a/arch/riscv/dts/ae350.dts b/arch/riscv/dts/ae350.dts index 4717ae8..e48c298 100644 --- a/arch/riscv/dts/ae350.dts +++ b/arch/riscv/dts/ae350.dts @@ -12,15 +12,14 @@ };
chosen {
bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7";
bootargs = "console=ttyS0,38400n8 debug loglevel=7"; stdout-path = "uart0:38400n8"; }; cpus { #address-cells = <1>; #size-cells = <0>;
timebase-frequency = <10000000>;
timebase-frequency = <60000000>; CPU0: cpu@0 { device_type = "cpu"; reg = <0>;@@ -29,7 +28,8 @@ riscv,isa = "rv64imafdc"; mmu-type = "riscv,sv39"; clock-frequency = <60000000>;
d-cache-size = <0x8000>;d-cache-line-size = <32>; CPU0_intc: interrupt-controller { #interrupt-cells = <1>; interrupt-controller;@@ -48,13 +48,6 @@ #size-cells = <2>; compatible = "andestech,riscv-ae350-soc"; ranges;
};plmt0@e6000000 {compatible = "riscv,plmt0";interrupts-extended = <&CPU0_intc 7>;reg = <0x0 0xe6000000 0x0 0x100000>;}; plic0: interrupt-controller@e4000000 { compatible = "riscv,plic0";@@ -62,7 +55,7 @@ #interrupt-cells = <2>; interrupt-controller; reg = <0x0 0xe4000000 0x0 0x2000000>;
riscv,ndev=<31>;
riscv,ndev=<71>; interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9>; };@@ -76,6 +69,13 @@ interrupts-extended = <&CPU0_intc 3>; };
plmt0@e6000000 {compatible = "riscv,plmt0";interrupts-extended = <&CPU0_intc 7>;reg = <0x0 0xe6000000 0x0 0x100000>;};};spiclk: virt_100mhz { #clock-cells = <0>; compatible = "fixed-clock";@@ -85,7 +85,7 @@ timer0: timer@f0400000 { compatible = "andestech,atcpit100"; reg = <0x0 0xf0400000 0x0 0x1000>;
clock-frequency = <40000000>;
clock-frequency = <60000000>; interrupts = <3 4>; interrupt-parent = <&plic0>; };@@ -119,11 +119,89 @@ interrupt-parent = <&plic0>; };
dma0: dma@f0c00000 {compatible = "andestech,atcdmac300";reg = <0x0 0xf0c00000 0x0 0x1000>;interrupts = <10 4 64 4 65 4 66 4 67 4 68 4 69 4 70 4 71 4>;dma-channels = <8>;interrupt-parent = <&plic0>;};lcd0: lcd@e0200000 {compatible = "andestech,atflcdc100";reg = <0x0 0xe0200000 0x0 0x1000>;interrupts = <20 4>;interrupt-parent = <&plic0>;};smc0: smc@e0400000 { compatible = "andestech,atfsmc020"; reg = <0x0 0xe0400000 0x0 0x1000>; };snd0: snd@f0d00000 {compatible = "andestech,atfac97";reg = <0x0 0xf0d00000 0x0 0x1000>;interrupts = <17 4>;interrupt-parent = <&plic0>;};virtio_mmio@fe007000 {interrupts = <0x17 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe007000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe006000 {interrupts = <0x16 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe006000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe005000 {interrupts = <0x15 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe005000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe004000 {interrupts = <0x14 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe004000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe003000 {interrupts = <0x13 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe003000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe002000 {interrupts = <0x12 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe002000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe001000 {interrupts = <0x11 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe001000 0x0 0x1000>;compatible = "virtio,mmio";};virtio_mmio@fe000000 {interrupts = <0x10 0x4>;interrupt-parent = <0x2>;reg = <0x0 0xfe000000 0x0 0x1000>;compatible = "virtio,mmio";};
Do these virtio devices exist on the real hardware?
nor@0,0 { compatible = "cfi-flash"; reg = <0x0 0x88000000 0x0 0x1000>;@@ -138,9 +216,8 @@ #size-cells = <0>; num-cs = <1>; clocks = <&spiclk>;
interrupts = <3 4>;
interrupts = <4 4>; interrupt-parent = <&plic0>;
flash@0 { compatible = "spi-flash"; spi-max-frequency = <50000000>;--
Regards, Bin