What is the difference between ubl and u boot

H file and two makefile files. Then uboot can run. C: it is a number of related common functions such as malloc. UBL does not have many things to transplant, mainly because it should be defined in dmx.

In the pll2init function, you need to set different parameters and real-time sequence parameters when using different models of DDR. This is the key. C and NAND. H is mainly to define the storage address of uboot in NAND.

If this information is incorrect, uboot cannot run. We recommend that you check the image or copy the image of uboot. This article is an English version of an article which is originally in the Chinese language on aliyun. This file can have empty lines and lines starting with " " as first. This file can have configuration command lines as mentioned below,. Each command line must have two strings, first one command or address. Following are the valid command strings and associated data strings This steps are done automagically if you do a "make all".

The NAND layout looks for example like this:. When a valid UBL signature is found,. This feature is provided. But at that time, NOR memory was used.

After the board revision, that utility is not running as well. If you plan on using your NAND device after boot, say for supporting a file system at run time Site Search User. Processors Processors forum. Mentions Tags More Cancel. Ask a related question What is a related question? A related question is a question created from another question. When the related question is created, it will be automatically linked to the original question.

The main transplant of Nand. The main task of nandboot. The problem is most likely here. Write My Article. Download article as html.