Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-14 Thread Tom Rini
On Wed, Nov 13, 2013 at 12:50:50PM -0500, Vaibhav Bedia wrote: > Hi Sekhar :) > > On Wed, Nov 13, 2013 at 11:08 AM, Sekhar Nori wrote: > > Hi Vaibhav, > > > > On 11/13/2013 7:38 PM, Vaibhav Bedia wrote: > >> On Wed, Nov 13, 2013 at 3:48 AM, Lokesh Vutla wrote: > >> [...] > >>> I checked with har

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-14 Thread Tom Rini
On Wed, Nov 13, 2013 at 09:08:29AM -0500, Vaibhav Bedia wrote: > On Wed, Nov 13, 2013 at 3:48 AM, Lokesh Vutla wrote: > [...] > > I checked with hardware folks. There is no register or some way to tell > > if VTT is present. It is not added in EEPROM also and I have no answer why > > it > > is no

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-13 Thread Vaibhav Bedia
Hi Sekhar :) On Wed, Nov 13, 2013 at 11:08 AM, Sekhar Nori wrote: > Hi Vaibhav, > > On 11/13/2013 7:38 PM, Vaibhav Bedia wrote: >> On Wed, Nov 13, 2013 at 3:48 AM, Lokesh Vutla wrote: >> [...] >>> I checked with hardware folks. There is no register or some way to tell >>> if VTT is present. It i

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-13 Thread Sekhar Nori
Hi Vaibhav, On 11/13/2013 7:38 PM, Vaibhav Bedia wrote: > On Wed, Nov 13, 2013 at 3:48 AM, Lokesh Vutla wrote: > [...] >> I checked with hardware folks. There is no register or some way to tell >> if VTT is present. It is not added in EEPROM also and I have no answer why it >> is not added in EEP

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-13 Thread Vaibhav Bedia
On Wed, Nov 13, 2013 at 3:48 AM, Lokesh Vutla wrote: [...] > I checked with hardware folks. There is no register or some way to tell > if VTT is present. It is not added in EEPROM also and I have no answer why it > is not added in EEPROM..:( > It is specific to boards using DDR3. So its good to ha

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-13 Thread Lokesh Vutla
Hi Vaibhav, On Wednesday 06 November 2013 07:24 PM, Lokesh Vutla wrote: > On Wednesday 06 November 2013 06:32 PM, Vaibhav Bedia wrote: >> On Mon, Nov 4, 2013 at 11:20 PM, Lokesh Vutla wrote: >>> GP EVM has 1GB DDR3 attached(Part no: MT47H128M16RT-187E:C). >>> Adding details for the same. >>> Below

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-06 Thread Vaibhav Bedia
On Wed, Nov 6, 2013 at 8:54 AM, Lokesh Vutla wrote: > On Wednesday 06 November 2013 06:32 PM, Vaibhav Bedia wrote: >> On Mon, Nov 4, 2013 at 11:20 PM, Lokesh Vutla wrote: >>> GP EVM has 1GB DDR3 attached(Part no: MT47H128M16RT-187E:C). >>> Adding details for the same. >>> Below is the brief descr

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-06 Thread Lokesh Vutla
On Wednesday 06 November 2013 06:32 PM, Vaibhav Bedia wrote: > On Mon, Nov 4, 2013 at 11:20 PM, Lokesh Vutla wrote: >> GP EVM has 1GB DDR3 attached(Part no: MT47H128M16RT-187E:C). >> Adding details for the same. >> Below is the brief description of DDR3 init sequence(SW leveling): >> -> Enable VTT

Re: [U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-06 Thread Vaibhav Bedia
On Mon, Nov 4, 2013 at 11:20 PM, Lokesh Vutla wrote: > GP EVM has 1GB DDR3 attached(Part no: MT47H128M16RT-187E:C). > Adding details for the same. > Below is the brief description of DDR3 init sequence(SW leveling): > -> Enable VTT regulator > -> Configure VTP > -> Configure DDR IO settings > -> D

[U-Boot] [PATCH 13/14] ARM: AM43xx: GP_EVM: Add support for DDR3

2013-11-04 Thread Lokesh Vutla
GP EVM has 1GB DDR3 attached(Part no: MT47H128M16RT-187E:C). Adding details for the same. Below is the brief description of DDR3 init sequence(SW leveling): -> Enable VTT regulator -> Configure VTP -> Configure DDR IO settings -> Disable initialization and refreshes until EMIF registers are program