> -----Original Message----- > From: Gary Thomas [mailto:gary@xxxxxxxxxxxx] > Sent: Thursday, October 08, 2009 11:10 AM > To: Syed Mohammed, Khasim > Cc: linux-omap@xxxxxxxxxxxxxxx > Subject: Re: X-loader / U-Boot query > > On 10/08/2009 09:54 AM, Syed Mohammed, Khasim wrote: > > > > > >> -----Original Message----- > >> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap- > >> owner@xxxxxxxxxxxxxxx] On Behalf Of Gary Thomas > >> Sent: Thursday, October 08, 2009 10:17 AM > >> To: Menon, Nishanth > >> Cc: Adam Machalek; linux-omap@xxxxxxxxxxxxxxx > >> Subject: Re: X-loader / U-Boot query > >> > >> On 10/08/2009 09:14 AM, Menon, Nishanth wrote: > >>>> -----Original Message----- > >>>> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap- > >>>> owner@xxxxxxxxxxxxxxx] On Behalf Of Adam Machalek > >>>> Sent: Thursday, October 08, 2009 9:47 AM > >>>> To: Gary Thomas > >>>> Cc: linux-omap@xxxxxxxxxxxxxxx > >>>> Subject: Re: X-loader / U-Boot query > >>>> > >>>> The problem is located in u-boot/cpu/arm_cortexa8/omap3/mem.c > >>>> > >>>> Function do_sdrc_init() > >>>> > >>>> There is an assumption that the RAM size on each CS is maximum of 128M. > >>>> See this line: > >>>> > >>>> writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY | > >>>> RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 | > >>>> DEEPPD | DDR_SDRAM,&sdrc_base->cs[cs].mcfg); > >>>> > >>> This discussion should really be taken to u-boot mailing list. Yes, any > >> additional patches would be good to have.. > >> > >> Where is that list?? I did ask this question in the original > >> email... > >> > > Sorry, I have not seen all the thread. Are you using x-loader? Then your > DDR configuration happens in x-loader and not in u-boot as it skips it. In > that case your question should be on x-loader and this is the right list to > discuss the same. > > > > If you use u-boot for RAM configuration then you should be on NOR flash. > > I'm definitely using x-loader (followed by U-Boot). > > Where is this set in X-loader? Is there any guidance for > using the larger DRAM devices? > I have tried upto 256MB on beagleboard, http://gitorious.org/x-load-omap3/mainline/commit/c0bc8cc7005abad65be07b0c64901bcfaff71971 See the DDR configuration. I think others have tried for 512MB on other OMAP3 devices I don't know about the source location for the same. Regards, Khasim -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
