arch/arm/dts/rk3368-lion-u-boot.dtsi

   1 /*
   2  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+        X11
   5  */
   6
   7 / {
   8         config {
   9                 u-boot,spl-payload-offset = <0x40000>; /* @ 256KB */
  10                 u-boot,mmc-env-offset = <0x4000>;      /* @  16KB */
  11         };
  12
  13         chosen {
  14                 stdout-path = "serial0:115200n8";
  15                 u-boot,spl-boot-order = &emmc, &sdmmc;
  16                 tick-timer = "/timer@ff810000";
  17         };
  18
  19 };
  20
  21 &pinctrl {
  22         u-boot,dm-pre-reloc;
  23 };
  24
  25 &service_msch {
  26         u-boot,dm-pre-reloc;
  27 };
  28
  29 &dmc {
  30         u-boot,dm-pre-reloc;
  31
  32         /*
  33          * Validation of throughput using SPEC2000 shows the following
  34          * relative performance for the different memory schedules:
  35          *  - CBDR: 30.1
  36          *  - CBRD: 29.8
  37          *  - CRBD: 29.9
  38          * Note that the best performance for any given application workload
  39          * may vary from the default configured here (e.g. 164.gzip is fastest
  40          * with CBRD, whereas 252.eon and 186.crafty are fastest with CRBD).
  41          *
  42          * See doc/device-tree-bindings/clock/rockchip,rk3368-dmc.txt for
  43          * details on the 'rockchip,memory-schedule' property and how it
  44          * affects the physical-address to device-address mapping.
  45          */
  46         rockchip,memory-schedule = <DMC_MSCH_CBDR>;
  47         rockchip,ddr-frequency = <800000000>;
  48         rockchip,ddr-speed-bin = <DDR3_1600K>;
  49
  50         status = "okay";
  51 };
  52
  53 &pmugrf {
  54         u-boot,dm-pre-reloc;
  55 };
  56
  57 &sgrf {
  58         u-boot,dm-pre-reloc;
  59 };
  60
  61 &cru {
  62         u-boot,dm-pre-reloc;
  63 };
  64
  65 &grf {
  66         u-boot,dm-pre-reloc;
  67 };
  68
  69 &uart0 {
  70         u-boot,dm-pre-reloc;
  71 };
  72
  73 &emmc {
  74         u-boot,dm-spl;
  75 };
  76
  77 &sdmmc {
  78         u-boot,dm-spl;
  79 };
  80
  81 &spi1 {
  82         u-boot,dm-spl;
  83
  84         spiflash: w25q32dw@0 {
  85                 u-boot,dm-spl;
  86         };
  87 };
  88
  89 &timer0 {
  90         u-boot,dm-pre-reloc;
  91         clock-frequency = <24000000>;
  92         status = "okay";
  93 };
  94
  95