[U-Boot-Users] Quick booting

[Jerry Van Baren]

conn intel wrote:
> Dear Friends,
> 
> I am using u-boot and it is first loading into the ram from flash and 
> then starts booting. The problem is its taking a lot of time in loading 
> the image from flash to ram and then starts booting from it. Following 
> is the output for printenv variables. I am new to u-boot and thus not 
> much aware of it. On other board there is redboot installed and it loads 
> kernel in just flash and starts booting the kernel.
> 
> Kindly let me know if you need any information.
> 
> Thank you,
> Ankur.
> 
> # printenv
> bootargs=root=/dev/mtdblock2 rw init=/linuxrc console=ttyS0,115200 
> mem=32M rootfstype=jffs2
> bootcmd=nand read.jffs2 0x30007FC0 0x80000 0x300000;bootm 0x30007FC0

Hi Ankur,

I have no experience with NAND/jffs2, but the following thread probably 
applies:
<http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/32434>

Summary: jffs2 is slow.  The thread has discussion of various options to 
speed up boot time.

Best regards,
gvb