[U-Boot] problem to boot i.MX28 custom platform

2013-02-26 Thread Hector Palacios
Greetings, I'm porting a custom platform based on mx28evk to latest U-Boot. I modified the iomux.c for my platform (different DUART pins) and made some changes to mxs_adjust_memory_params() to accommodate to my DRAM chip. I built the u-boot.sb. The platform however does not boot either from US

Re: [U-Boot] problem to boot i.MX28 custom platform

2013-02-26 Thread Fabio Estevam
Hi Hector, On Tue, Feb 26, 2013 at 9:19 AM, Hector Palacios wrote: > Greetings, > > I'm porting a custom platform based on mx28evk to latest U-Boot. > I modified the iomux.c for my platform (different DUART pins) and made some > changes to mxs_adjust_memory_params() to accommodate to my DRAM chip

Re: [U-Boot] problem to boot i.MX28 custom platform

2013-02-28 Thread Fabio Estevam
Hi Hector, Hector Palacios wrote: > Apparently the problem was due to my platform suffering a hardware > specific VDDD brownout during the initialization. > > Just in case it helps anybody, the reason why I was not able to see > anything on the DUART port during SPL initialization, despite havin

Re: [U-Boot] problem to boot i.MX28 custom platform

2013-02-28 Thread Hector Palacios
On 02/26/2013 01:19 PM, Hector Palacios wrote: Greetings, I'm porting a custom platform based on mx28evk to latest U-Boot. I modified the iomux.c for my platform (different DUART pins) and made some changes to mxs_adjust_memory_params() to accommodate to my DRAM chip. I built the u-boot.sb. Th