On Tue, Nov 11, 2014 at 7:09 PM, liyaoshi <liyao...@gmail.com> wrote:
> If this is for automotive ,systemd is not so useful
> last mode is required when in automotive enviroment
> while as I know systemd can not turnning boot sequence for different modules
> If not about automotive ,skip this .
> And,if only talking about 0.5s or 1s , its only about u-boot and kernel
>
> what I test in imx 6 , whats' my test result is boot from nand slc onfi1@80M
> Arm@800M with 16bit DDR@400m
>
> unless you remove kernel printk, its possible boot less than 1s
>
> remove any print out from serial ,boot loader turn mmu can cache on
>
> load kernel with uncompressed and make small than 4M,without prink

but also double check with lzo... As it can beat uncompressed...

http://free-electrons.com/blog/arm-xz-kernel-decompression-benchmarks/

Regards,
-- 
Robert Nelson
http://www.rcn-ee.com/

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to