From b6518b1ea3b40ec1dec786fb942dc47bb164d987 Mon Sep 17 00:00:00 2001 From: Igal Liberman Date: Tue, 13 Jun 2017 10:35:44 +0300 Subject: arm64: mvebu: use single defconfig for Armada8K development boards Currently, Marvell Armada8k development board use 3 different defconfigs: mvebu_db-88f7040-nand_defconfig mvebu_db-88f7040_defconfig mvebu_db-88f8040_defconfig Having 3 different defconfigs makes maintenance difficult. This patch removes the defconfigs mentioned above and introduce a new defconfig which represents the Armada8k family. NOTE: In order not to break automatic tools compilation, a default device-tree is set in the defconfig (armada-8040-db). However, when compiling u-boot, the user MUST explicitly export the DEVICE_TREE for the requested board because using A80x0 device-tree on A70x0 might break the device. For more information, refer to "doc/README.marvell" (intoduced in this patch). Change-Id: I98515b6306498358f3722ecf7ac4c87f236ebbd8 Signed-off-by: Igal Liberman Signed-off-by: Stefan Roese --- doc/README.marvell | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 doc/README.marvell (limited to 'doc') diff --git a/doc/README.marvell b/doc/README.marvell new file mode 100644 index 0000000..3364617 --- /dev/null +++ b/doc/README.marvell @@ -0,0 +1,53 @@ +Marvell U-Boot Build Instructions +================================= + +This document describes how to compile the U-Boot and how to change U-Boot configuration + +Build Procedure +---------------- +1. Install required packages: + + # sudo apt-get install libssl-dev + # sudo apt-get install device-tree-compiler + # sudo apt-get install swig libpython-dev + +2. Set the cross compiler: + + # export CROSS_COMPILE=/path/to/toolchain/aarch64-marvell-linux-gnu- + +3. Clean-up old residuals: + + # make mrproper + +4. Configure the U-Boot: + + # make + + - For the Armada-70x0/80x0 DB board use "mvebu_db_armada8k_defconfig" + - For the Armada-80x0 MacchiatoBin use "make mvebu_mcbin-88f8040_defconfig" + - For the Armada-3700 DB board use "make mvebu_db-88f3720_defconfig" + - For the Armada-3700 EsspressoBin use "make mvebu_espressobin-88f3720_defconfig" + +5. Configure the device-tree and build the U-Boot image: + + Compile u-boot and set the required device-tree using: + + # make DEVICE_TREE= + + NOTE: + Compilation with "mvebu_db_armada8k_defconfig" requires explicitly exporting DEVICE_TREE + for the requested board. + By default, u-boot is compiled with armada-8040-db device-tree. + Using A80x0 device-tree on A70x0 might break the device. + In order to prevent this, the required device-tree MUST be set during compilation. + All device-tree files are located in ./arch/arm/dts/ folder. + + NOTE: + The u-boot.bin should not be used as a stand-alone image. + The ARM Trusted Firmware (ATF) build process uses this image to generate the + flash image. + +Configuration update +--------------------- + To update the U-Boot configuration, please refer to doc/README.kconfig + -- cgit v1.1