Add a few notes on how to try out the MediaTek support so far.
Signed-off-by: Ryder Lee ryder.lee@mediatek.com --- doc/README.mediatek | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 doc/README.mediatek
diff --git a/doc/README.mediatek b/doc/README.mediatek new file mode 100644 index 0000000..7690342 --- /dev/null +++ b/doc/README.mediatek @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2018 MediaTek Inc. +# Ryder Lee ryder.lee@kernel.org + + +This document describes how to compile the U-Boot and how to change U-Boot +configuration about the MediaTek SoCs. + + +Build Procedure +=============== + -Set the cross compiler: + + # export CROSS_COMPILE=/path/to/toolchain/arm-linux-gnueabi- + + -Clean-up old residuals: + + # make mrproper + + -Configure the U-Boot: + + # make <defconfig_file> + # make + + - For the MT7623n bananapi R2 board use "mt7623n_bpir2_defconfig" + - For the MT7629 reference board use "mt7629_rfb_defconfig" + + +Boot sequence +============= + -Boorom -> MTK preloader -> U-Boot + + - MT7623n + + This version of U-Boot doesn't implement SPL. So, MTK preloader binary + is needed to boot up: + + https://github.com/BPI-SINOVOIP/BPI-R2-bsp/tree/master/mt-pack/mtk/bpi-r2/bi... + + + -Boorom -> SPL -> U-Boot + + - MT7629 + + +Configuration update +==================== + To update the U-Boot configuration, please refer to doc/README.kconfig + + +Documentation +============= + http://wiki.banana-pi.org/Banana_Pi_BPI-R2