[U-Boot] [PATCH] armv8:ls1012a: Update bootargs for fast-boot

[york sun]

On 10/10/2016 12:36 AM, Pratiyush Srivastava wrote:
> Add optimization parameters like "quiet" in bootargs to reduce the system
> boot time
>
> Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava at nxp.com>
> Signed-off-by: Harninder Rai <harninder.rai at nxp.com>
> ---
>  include/configs/ls1012a_common.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h
> index 5fb6c47..a0ef2cd 100644
> --- a/include/configs/ls1012a_common.h
> +++ b/include/configs/ls1012a_common.h
> @@ -120,7 +120,7 @@
>  	"console=ttyAMA0,38400n8\0"
>
>  #define CONFIG_BOOTARGS		"console=ttyS0,115200 root=/dev/ram0 " \
> -				"earlycon=uart8250,mmio,0x21c0500"
> +				"earlycon=uart8250,mmio,0x21c0500 quiet lpj=250000"
>  #define CONFIG_BOOTCOMMAND		"sf probe 0:0; sf read $kernel_load "\
>  					"$kernel_start $kernel_size && "\
>  					"bootm $kernel_load"
>

How much improvement do you get by using "quiet"? You didn't mention lpj 
in the commit message. Did you get the number from kernel log? LS1012A 
is a single core SoC. How much time do you save by setting lpj?

York