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10
README.md
10
README.md
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@ -139,6 +139,16 @@ Thus we simply reuse the code from NuttX Star64!
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TODO: Dump the Device Tree
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```text
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dtc \
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-o bl808-pine64-ox64.dts \
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-O dts \
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-I dtb \
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bl808-pine64-ox64.dtb
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```
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Here's the Decompiled Device Tree: [bl808-pine64-ox64.dts](bl808-pine64-ox64.dts)
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TODO: Transmit to UART3. Reuse the BL602 UART Driver for NuttX.
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TODO: Print Debug Logs with OpenSBI
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BIN
bl808-pine64-ox64.dtb
Executable file
BIN
bl808-pine64-ox64.dtb
Executable file
Binary file not shown.
190
bl808-pine64-ox64.dts
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190
bl808-pine64-ox64.dts
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@ -0,0 +1,190 @@
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/dts-v1/;
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/ {
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compatible = "pine64,ox64\0bflb,bl808";
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#address-cells = <0x01>;
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#size-cells = <0x01>;
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model = "Pine64 Ox64";
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cpus {
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timebase-frequency = <0xf4240>;
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#address-cells = <0x01>;
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#size-cells = <0x00>;
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cpu@0 {
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compatible = "thead,c906\0riscv";
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device_type = "cpu";
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reg = <0x00>;
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d-cache-block-size = <0x40>;
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d-cache-sets = <0x100>;
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d-cache-size = <0x8000>;
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i-cache-block-size = <0x40>;
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i-cache-sets = <0x80>;
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i-cache-size = <0x8000>;
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mmu-type = "riscv,sv39";
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riscv,isa = "rv64imafdc";
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phandle = <0x07>;
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interrupt-controller {
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compatible = "riscv,cpu-intc";
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interrupt-controller;
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#address-cells = <0x00>;
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#interrupt-cells = <0x01>;
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phandle = <0x06>;
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};
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};
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};
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xtal-clk {
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compatible = "fixed-clock";
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clock-frequency = <0x2625a00>;
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clock-output-names = "xtal";
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#clock-cells = <0x00>;
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phandle = <0x04>;
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};
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sdh-clk {
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compatible = "fixed-clock";
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clock-frequency = <0x5b8d800>;
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clock-output-names = "sdh";
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#clock-cells = <0x00>;
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phandle = <0x05>;
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};
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soc {
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compatible = "simple-bus";
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ranges;
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interrupt-parent = <0x01>;
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dma-noncoherent;
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#address-cells = <0x01>;
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#size-cells = <0x01>;
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pinctrl@0x200008C4 {
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compatible = "bflb,pinctrl";
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reg = <0x200008c4 0x1000>;
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gpio-controller;
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#gpio-cells = <0x02>;
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gpio-ranges = <0x02 0x00 0x00 0x2e>;
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bflb,npins = <0x2e>;
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status = "okay";
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interrupt-controller;
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#interrupt-cells = <0x02>;
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interrupts-extended = <0x03 0x00 0x04 0x01>;
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phandle = <0x02>;
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sdh-pins {
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pins = "GPIO0\0GPIO1\0GPIO2\0GPIO3\0GPIO4\0GPIO5";
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function = "sdh";
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phandle = <0x08>;
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};
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};
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seceng@0x20004000 {
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compatible = "bflb,seceng";
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reg = <0x20004000 0x1000>;
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status = "okay";
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phandle = <0x09>;
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};
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serial@30002000 {
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compatible = "bflb,bl808-uart";
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reg = <0x30002000 0x1000>;
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interrupts = <0x14 0x04>;
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clocks = <0x04>;
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status = "okay";
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phandle = <0x0a>;
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};
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serial@0x2000AA00 {
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compatible = "bflb,bl808-uart";
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reg = <0x2000aa00 0x100>;
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interrupts-extended = <0x03 0x00 0x01 0x01>;
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mboxes = <0x03 0x00 0x01>;
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clocks = <0x04>;
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status = "okay";
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phandle = <0x0b>;
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};
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sdhci@20060000 {
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compatible = "bflb,bl808-sdhci";
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reg = <0x20060000 0x100>;
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interrupts-extended = <0x03 0x00 0x00 0x01>;
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mboxes = <0x03 0x00 0x00>;
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clocks = <0x05>;
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status = "okay";
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phandle = <0x0c>;
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};
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mailbox@30005000 {
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compatible = "bflb,bl808-ipc";
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reg = <0x30005000 0x20 0x30005020 0x20 0x2000a800 0x20 0x2000a820 0x20>;
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interrupts = <0x36 0x04>;
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interrupt-controller;
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#interrupt-cells = <0x03>;
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#mbox-cells = <0x02>;
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status = "okay";
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phandle = <0x03>;
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};
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interrupt-controller@e0000000 {
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compatible = "thead,c900-plic";
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reg = <0xe0000000 0x4000000>;
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interrupts-extended = <0x06 0xffffffff 0x06 0x09>;
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interrupt-controller;
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#address-cells = <0x00>;
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#interrupt-cells = <0x02>;
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riscv,ndev = <0x40>;
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phandle = <0x01>;
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};
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timer@e4000000 {
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compatible = "thead,c900-clint";
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reg = <0xe4000000 0xc000>;
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interrupts-extended = <0x06 0x03 0x06 0x07>;
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phandle = <0x0d>;
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};
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};
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aliases {
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serial0 = "/soc/serial@30002000";
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serial1 = "/soc/serial@0x2000AA00";
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};
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chosen {
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stdout-path = "serial0:2000000n8";
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bootargs = "console=ttyS0,2000000 loglevel=8 earlycon=sbi root=PARTLABEL=rootfs rootwait rootfstype=ext4";
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linux,initrd-start = <0x00 0x52000000>;
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linux,initrd-end = <0x00 0x52941784>;
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};
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memory@50000000 {
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device_type = "memory";
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reg = <0x50000000 0x4000000>;
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};
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xip_flash@58500000 {
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compatible = "mtd-rom";
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reg = <0x58500000 0x400000>;
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linux,mtd-name = "xip-flash.0";
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erase-size = <0x10000>;
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bank-width = <0x04>;
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#address-cells = <0x01>;
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#size-cells = <0x01>;
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};
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__symbols__ {
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cpu0 = "/cpus/cpu@0";
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cpu0_intc = "/cpus/cpu@0/interrupt-controller";
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xtal = "/xtal-clk";
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sdh = "/sdh-clk";
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pinctrl = "/soc/pinctrl@0x200008C4";
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sdh_pins = "/soc/pinctrl@0x200008C4/sdh-pins";
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seceng = "/soc/seceng@0x20004000";
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uart0 = "/soc/serial@30002000";
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uart1 = "/soc/serial@0x2000AA00";
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sdhci0 = "/soc/sdhci@20060000";
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ipclic = "/soc/mailbox@30005000";
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plic = "/soc/interrupt-controller@e0000000";
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clint = "/soc/timer@e4000000";
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};
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};
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