Re: [U-Boot] [PATCH 1/1] Fix README for Khadas VIM board

10 Jul 2018

Hi Loic,
On 10/07/2018 15:15, Loic Devulder wrote:
...
Fix documentation to be able to cross-compile U-Boot on Khadas VIM board.
Signed-off-by: Loic Devulder ldevulder@suse.de
board/amlogic/khadas-vim/README | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/board/amlogic/khadas-vim/README b/board/amlogic/khadas-vim/README
index 7eaca724f8..0f912e9fcd 100644
--- a/board/amlogic/khadas-vim/README
+++ b/board/amlogic/khadas-vim/README
@@ -20,12 +20,19 @@ Currently the u-boot port supports the following devices:

serial
eMMC, microSD
Ethernet



USB



This will collide with my previous patch "boards: amlogic: Fix boards README"
...
U-Boot compilation

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mkdir ~/cross-compile
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cd ~/cross-compile
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wget -c https://releases.linaro.org/components/toolchain/binaries/latest/aarch64-elf...
...
tar xvfJ gcc-linaro-7.2.1-2017.11-x86_64_aarch64-elf.tar.xz
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export PATH=$PWD/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-elf:$PATH
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cd <u-boot_src_directory>
export ARCH=arm


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export CROSS_COMPILE=aarch64-none-elf-


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export CROSS_COMPILE=aarch64-elf-
make khadas-vim_defconfig
make

@@ -36,20 +43,31 @@ Amlogic doesn't provide sources for the firmware and for tools needed
 to create the bootloader image, so it is necessary to obtain them from
 the git tree published by the board vendor:

...
wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-...
...
wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-...

+To be able to compile the *old* U-Boot (if needed):

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Remove the *new* gcc-7.2 from the PATH
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cd ~/cross-compile
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wget -c https://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/aarch6...
tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz
...
export PATH=$PWD/gcc-linaro-4.9.4-2017.01-x86_64_aarch64-elf/bin:$PATH


+To compile the ATF firmware:

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cd ~/cross-compile
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wget -c https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-...
tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz


...
export PATH=$PWD/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux/bin:$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH


...
export PATH=$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH

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cd <where_you_want_to_put_vim-u-boot>
git clone https://github.com/khadas/u-boot -b Vim vim-u-boot
cd vim-u-boot
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export ARCH=arm
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export CROSS_COMPILE=aarch64-elf-
make kvim_defconfig
make


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export FIPDIR=$PWD/fip

Go back to mainline U-Boot source tree then :

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export FIPDIR=$PWD/fip
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cd <u-boot_src_directory>
mkdir fip


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cp $FIPDIR/gxl/bl2.bin fip/
cp $FIPDIR/gxl/acs.bin fip/
cp $FIPDIR/gxl/bl21.bin fip/

@@ -67,7 +85,7 @@ Go back to mainline U-Boot source tree then :
   fip/bl30_new.bin \
   bl30

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$FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0


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python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0

Apart this line, I don't see the point of all the other changes ? Can you elaborate ?
These instructions are already made to cross-compile U-boot, is there an issue with the instructions ?
...
...
$FIPDIR/blx_fix.sh \
fip/bl2_acs.bin \
Neil

    

Re: [U-Boot] [PATCH 1/1] Fix README for Khadas VIM board

Neil Armstrong

Signed-off-by: Loic Devulder ldevulder@suse.de

U-Boot compilation