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u-boot: Simplify boot script

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A patch is backported to check if the firmware loaded a device tree blob
into memory and set the fdt_addr variable if it is found. The U-Boot
script will then read the command line arguments generated by the
firmware from the device tree and boot the kernel with the command
line arguments and the loaded device tree.

This allows things like MAC address, board revision and serial number
to be correctly configured and options in config.txt to be used.

An additional patch is backported and further changes are made to support
this.

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
This commit is contained in:
Jonathan Liu
2016-11-30 21:02:39 +00:00
committed by Andrei Gherzan
parent 0e66d6953c
commit 064aa0a388
9 changed files with 246 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
recipes-bsp/u-boot/files/0003-Include-lowlevel_init.o-for-rpi2.patch
+25
View File
@@ -0,0 +1,25 @@
From 1eb01436bc57ad32519a4567a1c9ec82d52d60a1 Mon Sep 17 00:00:00 2001
From: Paul Barker <paul@paulbarker.me.uk>
Date: Tue, 29 Nov 2016 19:47:49 +0000
Subject: [PATCH] Include lowlevel_init.o for rpi2
Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
Upstream-status: Inappropriate
(not needed upstream as rpi_2 board directory is removed in latest
version)
---
board/raspberrypi/rpi_2/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/board/raspberrypi/rpi_2/Makefile b/board/raspberrypi/rpi_2/Makefile
index d82cd21..9f865c5 100644
--- a/board/raspberrypi/rpi_2/Makefile
+++ b/board/raspberrypi/rpi_2/Makefile
@@ -5,3 +5,4 @@
#
obj-y := ../rpi/rpi.o
+obj-y += ../rpi/lowlevel_init.o
--
2.1.4