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https://github.com/brain-hackers/u-boot-brain
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![Michal Simek](/assets/img/avatar_default.png)
zynq-7000.dtsi include skeleton.dtsi which contains memory node with base address and size zero. If you add memory@0 node to the platform DTS in final DTB there are two memory nodes and U-Boot works with the first one (with zeros) which end up in failing in dram_init because size is zero. Platform memory node should rewrite default memory node setup from skeleton.dtsi that's why platfroms needs to also use memory as node name instead of memory@0. Reported-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
67 lines
918 B
Plaintext
67 lines
918 B
Plaintext
/*
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* Xilinx ZC770 XM012 board DTS
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*
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* Copyright (C) 2013 - 2015 Xilinx, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/dts-v1/;
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#include "zynq-7000.dtsi"
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/ {
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compatible = "xlnx,zynq-zc770-xm012", "xlnx,zynq-7000";
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model = "Xilinx Zynq";
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aliases {
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i2c0 = &i2c0;
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i2c1 = &i2c1;
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serial0 = &uart1;
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spi0 = &spi1;
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};
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chosen {
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bootargs = "console=ttyPS0,115200 root=/dev/ram rw earlyprintk";
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linux,stdout-path = &uart1;
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stdout-path = &uart1;
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};
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memory {
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device_type = "memory";
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reg = <0x0 0x40000000>;
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};
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};
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&spi1 {
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status = "okay";
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num-cs = <4>;
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is-decoded-cs = <0>;
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};
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&can1 {
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status = "okay";
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};
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&i2c0 {
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status = "okay";
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clock-frequency = <400000>;
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m24c02_eeprom@52 {
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compatible = "at,24c02";
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reg = <0x52>;
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};
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};
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&i2c1 {
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status = "okay";
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clock-frequency = <400000>;
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m24c02_eeprom@52 {
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compatible = "at,24c02";
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reg = <0x52>;
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};
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};
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&uart1 {
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status = "okay";
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};
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