BeagleBone Black Uboot (am335x_evm_defconfig)

Boot control:
The normal sequence is (S2 button not pushed):

• MC1 (eMMC on-board flash), MMC0 (SD card), UART0, USB0

S2 button pushed:

•  SPI0, MMC0 (SD card), USB0, UART0

OS:Ubuntu 18

指令:

sudo apt-get update

sudo apt-get install gcc-arm-linux-gnueabi

sudo apt-get install build-essential

sudo apt-get install bison

sudo apt-get install flex

sudo apt install git

sudo apt install make

git clone git://git.denx.de/u-boot.git u-boot

cd u-boot

alias armmake='make -j8 ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- '

armmake  distclean

armmake am335x_evm_defconfig

armmake

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