On Tuesday, July 12, 2011 07:42:56 AM smitha.va...@wipro.com wrote: > Hi , > > > > I am trying to bring up u-boot1.1.3 on a custom mpc8247 board, having > 32MB flash and two 32 M SDRAM .
Can you please try a newer version (git clone git://git.denx.de/u-boot.git) > > See a problem after the relocation happens. The code gets relocated from > Flash to RAM correctly. But when the control goes to in_ram it gets > looped there > > And then gets reset. I have done all the SDRAM tests all are successful. > So how to proceed for this issue > > > > Below is the SDRAM initialization sequence. > > > > > > ; init SDRAM Init (PPC bus) > > WM16 0xF0010184 0x1000 ;MPTPR > > WM8 0xF001019C 0x18 ;PSRT > > > > WM32 0xF001010c 0xFC002d00 ;OR1 > > WM32 0xF0010108 0x00001841 ;BR1 > > > > WM32 0xF0010190 0xeb29a4a3 ;PSDMR: Precharge all banks > > WM8 0x00000000 0x00 ;Access SDRAM > > WM32 0xF0010190 0xcB29a4a3 ;PSDMR: CBR Refresh > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM8 0x00000000 0xFF ;Access SDRAM > > WM32 0xF0010190 0xdb29a4a3 ;PSDMR: Mode Set > > WM8 0x00000000 0x00 ;Access SDRAM > > WM32 0xF0010190 0xc329a4a3 ;PSDMR: enable refresh, normal operation > > > > Regards, > > Smitha > > > > > Please do not print this email unless it is absolutely necessary. > > The information contained in this electronic message and any attachments to > this message are intended for the exclusive use of the addressee(s) and > may contain proprietary, confidential or privileged information. If you > are not the intended recipient, you should not disseminate, distribute or > copy this e-mail. Please notify the sender immediately and destroy all > copies of this message and any attachments. > > WARNING: Computer viruses can be transmitted via email. The recipient > should check this email and any attachments for the presence of viruses. > The company accepts no liability for any damage caused by any virus > transmitted by this email. > > www.wipro.com _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot