[beagleboard] Re: PREBOOT delay. Is it possible to reduce it?

2017-05-07 Thread andky1991
The actual reson for the delay was the increased cost of memory reservation, the size of which increased from 1 kb to 16 mb: diff --git a/include/configs/ti_armv7_common.h b/include/configs/ ti_armv7_common.h index 6982918..6e0bf09 100644 --- a/include/configs/ti_armv7_common.h +++

[beagleboard] Why ADC helper driver does not work?

2017-02-15 Thread andky1991
In my project I use ADC. But I try to avoid dynamic overlay loading in order to increase boot speed. So I move code from ADC overlay (BB-ADC-00A0.dts) to main device tree source (am335x-boneblack.dts): / { ... ocp { /* ADC

[beagleboard] Re: PREBOOT delay. Is it possible to reduce it?

2015-11-17 Thread andky1991
I have tried run defferent images from SD: 1.Debian 2015-07-28 console with *u-boot v2015.01* writed to unallocated space in front of first partition -* 2 second delay remains* 2.Jessie Snapshot console with *u-boot v2015.10* writed to unallocated space in front of first partition -* 2 second

[beagleboard] PREBOOT delay. Is it possible to reduce it?

2015-11-16 Thread andky1991
Hi, I'm try to optimize boot time BeagleBone Black board. The forum already has a few helpful tips to reduce boot time in stage u-boot and linux kernel loading. But one question remains uncovered. I found that there is a delay (near 2 sec) between the power on and the emergance of

[beagleboard] PREBOOT delay. Is it possible to reduce it?

2015-11-16 Thread andky1991
Hi, I'm try to optimize boot time BeagleBone Black board. The forum already has a few helpful tips to reduce boot time in stage u-boot and linux kernel loading. But one question remains uncovered. I found that there is a delay (near 2 sec) between the power on and the emergance of