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.