Re: [U-Boot] [PATCH] board/t4240rdb: VID support

2016-01-20 Thread Ying Zhang
Hi, York, All the boards are required to set to Intel mode. If it’s not in Intel mode, VID is not support. I have a look how to do. Thanks. From: york sun Sent: Thursday, January 21, 2016 10:53 AM To: Ying Zhang; ying.zh...@freescale.com;

Re: [U-Boot] [PATCH] board/t4240rdb: VID support

2016-01-20 Thread Ying Zhang
Hi, York, I know this issue. It's occurred because the IR chip on T4RDB worked on AMD mode, it can work well on INTEL mode. Nexcom will collect all the boards and set the IR chip to INTEL mode. Before that, What should we do? Thanks. -Original

Re: [U-Boot] [PATCH] board/t4240rdb: VID support

2016-01-20 Thread york sun
Can software detect IR mode and support both? Or skip the vid part if the mode is not supported? York Original Message From: Ying Zhang Sent: Wednesday, January 20, 2016 06:05 PM To: york sun

Re: [U-Boot] [PATCH] board/t4240rdb: VID support

2016-01-20 Thread york sun
On 12/09/2015 11:00 PM, ying.zh...@freescale.com wrote: > From: Ying Zhang > > The fuse status register provides the values from on-chip > voltage ID efuses programmed at the factory. > These values define the voltage requirements for > the chip. u-boot reads FUSESR and

Re: [U-Boot] [PATCH] board/t4240rdb: VID support

2016-01-20 Thread york sun
On 01/20/2016 02:26 PM, york@nxp.com wrote: > Ying, > > This patch looks OK but the board doesn't work. I traced the code to the first > setting voltage. The VID has 1025mV and current voltage is 1047mV. As soon as > the code drops voltage by one step, the board hangs. Please double check

[U-Boot] [PATCH] board/t4240rdb: VID support

2015-12-09 Thread ying.zhang
From: Ying Zhang The fuse status register provides the values from on-chip voltage ID efuses programmed at the factory. These values define the voltage requirements for the chip. u-boot reads FUSESR and translates the values into the appropriate commands to set the voltage