Shulou(Shulou.com)06/02 Report--

This article mainly explains "the method of delay modification in the process of uboot startup". The explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "the method of delay modification in the process of uboot startup".

Delay modification during uboot startup

U-Boot, whose full name is Universal Boot Loader, is an open source project that follows the terms of GPL. The main function of UBOOT is to boot the linux kernel and boot the system.

1. The following conditions are required for delay modification:

Platform: sail-imx6

System: linux4.1.15

When the 2.Linux system starts, there is a 1s delay in the uboot phase. How to modify it if you want to increase the delay or reduce the delay?

Modify the uboot code of linux:

/ sail-imx6q-uboot-2015.04/include/configs/mx6sabre_common.h (104lines)

-

-# define CONFIG_BOOTDELAY 1

+ # define CONFIG_BOOTDELAY 1

-

In this way, there is no 1s delay, and you can change it to other values.

Thank you for your reading, the above is the content of "the method of delay modification in the process of uboot startup". After the study of this article, I believe you have a deeper understanding of the method of delay modification in the process of uboot startup, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.