The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/sh/j2_mimas_v2.dts

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /dts-v1/;
    3 
    4 / {
    5         compatible = "jcore,j2-soc";
    6         model = "J2 FPGA SoC on Mimas v2 board";
    7 
    8         #address-cells = <1>;
    9         #size-cells = <1>;
   10 
   11         interrupt-parent = <&aic>;
   12 
   13         cpus {
   14                 #address-cells = <1>;
   15                 #size-cells = <0>;
   16 
   17                 cpu@0 {
   18                         device_type = "cpu";
   19                         compatible = "jcore,j2";
   20                         reg = <0>;
   21                         clock-frequency = <50000000>;
   22                         d-cache-size = <8192>;
   23                         i-cache-size = <8192>;
   24                         d-cache-block-size = <16>;
   25                         i-cache-block-size = <16>;
   26                 };
   27         };
   28 
   29         memory@10000000 {
   30                 device_type = "memory";
   31                 reg = <0x10000000 0x4000000>;
   32         };
   33 
   34         aliases {
   35                 serial0 = &uart0;
   36                 spi0 = &spi0;
   37         };
   38 
   39         chosen {
   40                 stdout-path = "serial0";
   41         };
   42 
   43         soc@abcd0000 {
   44                 compatible = "simple-bus";
   45                 ranges = <0 0xabcd0000 0x100000>;
   46 
   47                 #address-cells = <1>;
   48                 #size-cells = <1>;
   49 
   50                 aic: interrupt-controller@200 {
   51                         compatible = "jcore,aic1";
   52                         reg = <0x200 0x10>;
   53                         interrupt-controller;
   54                         #interrupt-cells = <1>;
   55                 };
   56 
   57                 cache-controller@c0 {
   58                         compatible = "jcore,cache";
   59                         reg = <0xc0 4>;
   60                 };
   61 
   62                 timer@200 {
   63                         compatible = "jcore,pit";
   64                         reg = <0x200 0x30>;
   65                         interrupts = <0x48>;
   66                 };
   67 
   68                 spi0: spi@40 {
   69                         compatible = "jcore,spi2";
   70 
   71                         #address-cells = <1>;
   72                         #size-cells = <0>;
   73 
   74                         spi-max-frequency = <25000000>;
   75 
   76                         reg = <0x40 0x8>;
   77 
   78                         sdcard@0 {
   79                                 compatible = "mmc-spi-slot";
   80                                 reg = <0>;
   81                                 spi-max-frequency = <25000000>;
   82                                 voltage-ranges = <3200 3400>;
   83                                 mode = <0>;
   84                         };
   85                 };
   86 
   87                 uart0: serial@100 {
   88                         clock-frequency = <125000000>;
   89                         compatible = "xlnx,xps-uartlite-1.00.a";
   90                         current-speed = <19200>;
   91                         xlnx,use-parity = <0>;
   92                         xlnx,data-bits = <8>;
   93                         device_type = "serial";
   94                         interrupts = <0x12>;
   95                         port-number = <0>;
   96                         reg = <0x100 0x10>;
   97                 };
   98         };
   99 };

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