On 08:32 Thu 02 Jul , E Robertson wrote: > On Thursday 02 July 2009 02:22:16 am Frank Svendsbøe wrote: > > On Thu, Jul 2, 2009 at 6:10 AM, E Robertson<e.robertson....@gmail.com> > wrote: > > > Hi All, > > > Has anyone used the JTAG like the BDI2000 to load u-boot onto a > > > at91sam9263? I've done it on other boards but some some reason the > > > code will not execute > > > from on board SDRAM. To avoid initializing the external memory via > > > jtag, I use the bootstrap code to do the setup then load u-boot and > > > run it. > > > For reason(s) I haven't figured out yet, the code will not external > > > memory. Has anyone done this before and can provide some help? > > > Thanks. > > > > How come you want to execute it from RAM? Is the board without flash? > > Could you instead replace the "bootstrap" loader with U-Boot? > > > > It the SDRAM controller is already setup, I guess you must recode U-Boot > > and tell it not to touch/re-initialize the memory controller... > > > > Btw, look at > > http://www.denx.de/wiki/view/DULG/CanUBootBeConfiguredSuchThatItCanBeStarte > >dInRAM > > > > - Frank > > > In this case, I believe things are a bit different. U-boot is not relocated > because the bootstrap already does this and the bootstrap does all the init > needed to set up ram (among other things). I'm tracking a problem which is > why > I'm trying to run it from ram. I've done quite a bit of modifications to the > point where I believe this should work, but apparently I may have overlooked > something. I do this for sometime on the 9263ek and it's work fine I use most of the time a peddi and I only need to disable the phy reset in the code and upload it in memory
Best Regards, J. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
