Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-12 Thread Jason Kridner
On Thursday, September 11, 2014 4:32:20 PM UTC-4, RobertCNelson wrote: On Thu, Sep 11, 2014 at 1:57 PM, Jason Kridner jkrid...@gmail.com wrote: On Thursday, September 11, 2014 10:39:25 AM UTC-4, RobertCNelson wrote: On Thu, Sep 11, 2014 at 9:23 AM, Tom Rini tom.r...@gmail.com

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-12 Thread Robert Nelson
On Fri, Sep 12, 2014 at 2:50 PM, Jason Kridner jkrid...@gmail.com wrote: On Thursday, September 11, 2014 4:32:20 PM UTC-4, RobertCNelson wrote: On Thu, Sep 11, 2014 at 1:57 PM, Jason Kridner jkrid...@gmail.com wrote: On Thursday, September 11, 2014 10:39:25 AM UTC-4, RobertCNelson wrote:

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Tom Rini
On Friday, September 5, 2014 1:39:04 PM UTC-4, RobertCNelson wrote: On Fri, Sep 5, 2014 at 12:32 PM, Gerald Coley ger...@beagleboard.org javascript: wrote: SW is supposed to set it to 1.35V. Sounds like it got dropped somewhere because initially it did.. It was designed this way because

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Jason Kridner
On Thursday, September 11, 2014 10:23:40 AM UTC-4, Tom Rini wrote: On Friday, September 5, 2014 1:39:04 PM UTC-4, RobertCNelson wrote: On Fri, Sep 5, 2014 at 12:32 PM, Gerald Coley ger...@beagleboard.org wrote: SW is supposed to set it to 1.35V. Sounds like it got dropped somewhere

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Robert Nelson
On Thu, Sep 11, 2014 at 9:23 AM, Tom Rini tom.r...@gmail.com wrote: On Friday, September 5, 2014 1:39:04 PM UTC-4, RobertCNelson wrote: On Fri, Sep 5, 2014 at 12:32 PM, Gerald Coley ger...@beagleboard.org wrote: SW is supposed to set it to 1.35V. Sounds like it got dropped somewhere

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Robert Nelson
On Thu, Sep 11, 2014 at 9:32 AM, Jason Kridner jkrid...@gmail.com wrote: On Thursday, September 11, 2014 10:23:40 AM UTC-4, Tom Rini wrote: On Friday, September 5, 2014 1:39:04 PM UTC-4, RobertCNelson wrote: On Fri, Sep 5, 2014 at 12:32 PM, Gerald Coley ger...@beagleboard.org wrote: SW

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Robert Nelson
Here's a fix for the dts.. debian@beaglebone:/opt/source/dtb-3.14-ti/src/arm$ git diff am335x-boneblack.dts diff --git a/src/arm/am335x-boneblack.dts b/src/arm/am335x-boneblack.dts index d594da5..c1420f3 100644 --- a/src/arm/am335x-boneblack.dts +++ b/src/arm/am335x-boneblack.dts @@

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Jason Kridner
On Thursday, September 11, 2014 10:39:25 AM UTC-4, RobertCNelson wrote: On Thu, Sep 11, 2014 at 9:23 AM, Tom Rini tom.r...@gmail.com wrote: On Friday, September 5, 2014 1:39:04 PM UTC-4, RobertCNelson wrote: On Fri, Sep 5, 2014 at 12:32 PM, Gerald Coley ger...@beagleboard.org

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread John Syn
On 9/11/14, 12:06 PM, Robert Nelson robertcnel...@gmail.com wrote: On Thu, Sep 11, 2014 at 1:57 PM, Jason Kridner jkrid...@gmail.com wrote: On Thursday, September 11, 2014 10:39:25 AM UTC-4, RobertCNelson wrote: On Thu, Sep 11, 2014 at 9:23 AM, Tom Rini tom.r...@gmail.com wrote: On

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-11 Thread Robert Nelson
On Thu, Sep 11, 2014 at 1:57 PM, Jason Kridner jkrid...@gmail.com wrote: On Thursday, September 11, 2014 10:39:25 AM UTC-4, RobertCNelson wrote: On Thu, Sep 11, 2014 at 9:23 AM, Tom Rini tom.r...@gmail.com wrote: On Friday, September 5, 2014 1:39:04 PM UTC-4, RobertCNelson wrote: On

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-05 Thread Gerald Coley
SW is supposed to set it to 1.35V. Sounds like it got dropped somewhere because initially it did.. It was designed this way because when it was designed, the PMIC defaulted to 1.5V. Since the design there is a TPS65217D that was release later that supports the 1.35V initial setting. Yep, I meant

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-05 Thread Robert Nelson
On Fri, Sep 5, 2014 at 12:32 PM, Gerald Coley ger...@beagleboard.org wrote: SW is supposed to set it to 1.35V. Sounds like it got dropped somewhere because initially it did.. It was designed this way because when it was designed, the PMIC defaulted to 1.5V. Since the design there is a TPS65217D

Re: [beagleboard] BeagleBone Black DDR3 RAM Voltage levels

2014-09-05 Thread Gerald Coley
Ahh. Correct so that needs to be added to the EEPROM to work or a custom UBoot created for non conforming boards, those without EEPROM or EEPROM with different information in the EEPROM. Thanks Robert for checking! Gerald . On Fri, Sep 5, 2014 at 12:38 PM, Robert Nelson