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Building '''U-Boot''' for the Raspberry Pi, preparing an SD card with it, and booting a kernel from USB. | |||
== source == | == source == | ||
* <nowiki>git clone https://github.com/gonzoua/u-boot-pi.git</nowiki> | * <nowiki>git clone https://github.com/gonzoua/u-boot-pi.git</nowiki> | ||
2026年8月23日 (日) 17:57的最新修訂
Building U-Boot for the Raspberry Pi, preparing an SD card with it, and booting a kernel from USB.
source
- git clone https://github.com/gonzoua/u-boot-pi.git
- svn co file:///var/svn/rpi_uboot/trunk
Toolchain
- git clone https://github.com/raspberrypi/tools
Build
- export ARCH=arm
- export CROSS_COMPILE=arm-linux-gnueabi-
- make rpi_b
prepare SD card for your u-boot
- ./tools/mkimage/imagetool-uncompressed.py u-boot-pi/u-boot.bin
- cp kernel.img RASPBIAN_BOOT_PARTATION
boot to kernel from USB
- prepare your zImage in usb disk, and you should try another usb port if not working while load to ram
- U-Boot> usb start
- use usb sub-system to check avaliable dev and part
- U-Boot> usb dev
- U-Boot> usb part {dev}
- use ext2load to check where your zImage existed or not
- U-Boot> ext2ls usb {dev}:{part}
- use usb sub-system to check avaliable dev and part
- U-Boot> ext2load usb {dev}:{part} ${loadaddr} zImage
- U-Boot> bootz ${loadaddr}