armada-xp-db-xc3-24g4xg.dts

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    1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
    2 /*
    3  * Device Tree file for DB-XC3-24G4XG board
    4  *
    5  * Copyright (C) 2016 Allied Telesis Labs
    6  *
    7  * Based on armada-xp-db.dts
    8  *
    9  * Note: this Device Tree assumes that the bootloader has remapped the
   10  * internal registers to 0xf1000000 (instead of the default
   11  * 0xd0000000). The 0xf1000000 is the default used by the recent,
   12  * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
   13  * boards were delivered with an older version of the bootloader that
   14  * left internal registers mapped at 0xd0000000. If you are in this
   15  * situation, you should either update your bootloader (preferred
   16  * solution) or the below Device Tree should be adjusted.
   17  */
   18 
   19 /dts-v1/;
   20 #include "armada-xp-98dx3336.dtsi"
   21 
   22 / {
   23         model = "DB-XC3-24G4XG";
   24         compatible = "marvell,db-xc3-24g4xg", "marvell,armadaxp-98dx3336", "marvell,armada-370-xp";
   25 
   26         chosen {
   27                 bootargs = "console=ttyS0,115200 earlyprintk";
   28         };
   29 
   30         memory {
   31                 device_type = "memory";
   32                 reg = <0 0x00000000 0 0x40000000>; /* 1 GB */
   33         };
   34 };
   35 
   36 &L2 {
   37         arm,parity-enable;
   38         marvell,ecc-enable;
   39 };
   40 
   41 &devbus_bootcs {
   42         status = "okay";
   43 
   44         /* Device Bus parameters are required */
   45 
   46         /* Read parameters */
   47         devbus,bus-width    = <16>;
   48         devbus,turn-off-ps  = <60000>;
   49         devbus,badr-skew-ps = <0>;
   50         devbus,acc-first-ps = <124000>;
   51         devbus,acc-next-ps  = <248000>;
   52         devbus,rd-setup-ps  = <0>;
   53         devbus,rd-hold-ps   = <0>;
   54 
   55         /* Write parameters */
   56         devbus,sync-enable = <0>;
   57         devbus,wr-high-ps  = <60000>;
   58         devbus,wr-low-ps   = <60000>;
   59         devbus,ale-wr-ps   = <60000>;
   60 };
   61 
   62 &uart0 {
   63         status = "okay";
   64 };
   65 
   66 &uart1 {
   67         status = "okay";
   68 };
   69 
   70 &i2c0 {
   71         clock-frequency = <100000>;
   72         status = "okay";
   73 };
   74 
   75 &nand_controller {
   76         status = "okay";
   77 
   78         nand@0 {
   79                 reg = <0>;
   80                 label = "pxa3xx_nand-0";
   81                 nand-rb = <0>;
   82                 marvell,nand-keep-config;
   83                 nand-on-flash-bbt;
   84                 nand-ecc-strength = <4>;
   85                 nand-ecc-step-size = <512>;
   86         };
   87 };
   88 
   89 &spi0 {
   90         status = "okay";
   91 
   92         flash@0 {
   93                 #address-cells = <1>;
   94                 #size-cells = <1>;
   95                 compatible = "m25p64";
   96                 reg = <0>; /* Chip select 0 */
   97                 spi-max-frequency = <20000000>;
   98                 m25p,fast-read;
   99 
  100                 partition@u-boot {
  101                         reg = <0x00000000 0x00100000>;
  102                         label = "u-boot";
  103                 };
  104                 partition@u-boot-env {
  105                         reg = <0x00100000 0x00040000>;
  106                         label = "u-boot-env";
  107                 };
  108                 partition@unused {
  109                         reg = <0x00140000 0x00ec0000>;
  110                         label = "unused";
  111                 };
  112 
  113         };
  114 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/armada-xp-db-xc3-24g4xg.dts

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sys/contrib/device-tree/src/arm/armada-xp-db-xc3-24g4xg.dts