From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joao Pinto Date: Thu, 21 Apr 2016 11:34:02 +0100 Subject: [Buildroot] [PATCH] uboot build and deploy added to juno board In-Reply-To: <20160420220228.59d5e54f@free-electrons.com> References: <20160420220228.59d5e54f@free-electrons.com> Message-ID: <5718AC9A.4060801@synopsys.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On 4/20/2016 9:02 PM, Thomas Petazzoni wrote: > Hello, > > On Wed, 20 Apr 2016 18:47:04 +0100, Joao Pinto wrote: >> This patch has the goal to add to the juno board defconfig the u-boot build >> configurations. The juno board readme file was also updated with the >> necessary steps to build the ARM Trusted Firmware (with u-boot in it) and >> how to deploy it. > > Thanks! > >> +Building bootloader files bl1.bin and fip.bin >> +============================================= >> +First clone ARM Trusted Firmware repository >> + >> + $ git clone https://github.com/ARM-software/arm-trusted-firmware.git >> + >> +After clonning, please configure the following environment variables: >> + >> + CROSS_COMPILE=/output/host/usr/bin/aarch64-buildroot-linux-gnu- >> + BL33=/output/images/u-boot.bin >> + SCP_BL2= >> + >> +Finaly execute: >> + make PLAT=juno all fip > > The whole point of Buildroot is to automate the build process, so this > should be done by a Buildroot package, rather than manually by the > user. So a package for ATF should probably be created. > > I also work on an ARM64 platform that uses ATF+U-Boot, so I'll be able > to compare and tell you whether what you're proposing is only > applicable to Juno, or can be used for other platforms as well. It would great to do it 100% automatic. I'll be waiting for your feedback regarding your ARM64 platform. If it is the same we could do it together. > >> +BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY=y > > Using the legacy build system with a modern U-Boot such as 2016.03 > doesn't make much sense. Please use the kconfig based build system, > unless there is a real reason not to. Yes, you are right, made a mistake! > > Thanks! > > Thomas > Thanks, Joao