To achieve this, it needs to initialize the required peripherals which helps the device to carry out its intended functionality.
#Linux u boot software#
In embedded systems the bootloader is a special piece of software whose main purpose is to load the kernel and hand over the control to it. Everyone likes their devices to boot up fast. So much research and decision making time is spent on this to make sure that the devices which are initialized are absolutely needed. The reason I said there are so many ways to answer this question, is because the use case of each device is different, and we need to choose the bootloader carefully, which initializes the device. After all, everything has a beginning right? The hardware device can be anything, from your mobile phones, routers, microwave ovens, smart tv, and to the world’s fastest supercomputer. In short this is the piece of software which is executed as soon as you turn on your hardware device. There are so many answers to this question, but if you look at the core of all the answers it would contain some kind of initialization.
Cross compiling bootloader for ARM based target platform.Brief about the directories and the functionality it provides.
#Linux u boot serial#
For this blog series we are using beaglebone black development which is based on ARMv7 architecture.ģ.USB to Serial adaptor. Linux machine running any flavour of ubuntu, fedora or arch linux.Ī.This is very important as the build process and the cross compiler we choose depends on the type of processor.
#Linux u boot how to#
In short, this blog series explains how to setup an embedded linux machine that suits your needs Development environment prerequisites This will be done for ARM processor based development platform. This is a three part series of blogs which explains the complete procedure to cross compile
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