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dts: zynq: Add basic fdt support

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This patch provides a basic fdt support for zynq u-boot.

zynq-7000.dtsi-> initial arch dts file
zynq-zed.dts -> initial zed board dts file
more devices should be added in subsequent patches.

u-boot build: once configuring of a board done
for building dtb with zynq-zed.dts as an input
zynq-uboot> make DEVICE_TREE=zynq-zed

Enabled CONFIG_OF_SEPARATE for building dtb separately.
There is a new binary called u-boot-dtb.bin which is a u-boot
with devicetree supported.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
This commit is contained in:
Jagannadha Sutradharudu Teki 2014-01-09 01:48:26 +05:30 • committed by Albert ARIBAUD
parent b660ca13a8
commit f8f36c5dda
3 changed files with 32 additions and 0 deletions
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13
arch/arm/dts/zynq-7000.dtsi Normal file
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@ -0,0 +1,13 @@
/*
* Xilinx Zynq 7000 DTSI
* Describes the hardware common to all Zynq 7000-based boards.
*
* Copyright (C) 2013 Xilinx, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/include/ "skeleton.dtsi"
/ {
compatible = "xlnx,zynq-7000";
};

14
board/xilinx/dts/zynq-zed.dts Normal file
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@ -0,0 +1,14 @@
/*
* Xilinx ZED board DTS
*
* Copyright (C) 2013 Xilinx, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/dts-v1/;
#include "zynq-7000.dtsi"
/ {
model = "Zynq ZED Board";
compatible = "xlnx,zynq-zed", "xlnx,zynq-7000";
};

5
include/configs/zynq-common.h
View file

@ -212,6 +212,11 @@
#define CONFIG_FIT #define CONFIG_FIT
#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */ #define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
/* FDT support */
#define CONFIG_OF_CONTROL
#define CONFIG_OF_SEPARATE
#define CONFIG_DISPLAY_BOARDINFO_LATE
/* Boot FreeBSD/vxWorks from an ELF image */ /* Boot FreeBSD/vxWorks from an ELF image */
#if defined(CONFIG_ZYNQ_BOOT_FREEBSD) #if defined(CONFIG_ZYNQ_BOOT_FREEBSD)
# define CONFIG_API # define CONFIG_API