[U-Boot-Users] Where does u-boot start when booting Linux?
wd at denx.de
Tue Oct 14 16:47:16 CEST 2003
In message <126.96.36.199.2.20031014070537.032b4bd0 at 192.168.1.10> you wrote:
> I was hoping that someone could give me a quick answer. When u-boot starts
> Linux, does is start from the beginning for does it jump in somewhere past
There no decompress() in the Linux kernel. So U-Boot always starts
the Linux kernel right from the beginning.
> I have been looking at the Linux code and it doesn't appear that the bdinfo
> structure is being handled correctly for u-boot. There is an
> CONFIG_EMBEDDEDBOOT option but even this only passes the boot parameter in
> a few instances. Does u-boot fix this somehow?
I think you are looking at the wrong place. Don;t mistake the
bootstrap loader for a part of theLinux kernel. We don;t use this
stuff at all.
> Another thing is embed_config() for the ADS8260 board, forces the baud-rate
> to 9600 but 2_4_devel is quite happy at 115200 as in u-boot. This is
> interesting since I am trying to fix a serial baud-rate problem.
All this stuff is completely irrelevant when using U-boot.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
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