Kim, Since 2008, the boards shipped to customer are the new boards with 33.33MHz oscillator and 512MB DDR. How can I deal with the new board and old board?
Thanks and Best Regards Jerry Huang > -----Original Message----- > From: Phillips Kim-R1AAHA > Sent: Wednesday, November 02, 2011 7:53 AM > To: Huang Changming-R66093 > Cc: u-boot@lists.denx.de > Subject: Re: [U-Boot] [PATCH v5] MPC8360EMDS: 512MB DDR and 33.33MHz > oscillator support > > On Thu, 27 Oct 2011 13:47:48 +0800 > <chang-ming.hu...@freescale.com> wrote: > > > From: Jerry Huang <chang-ming.hu...@freescale.com> > > > > The new MPC8360EMDS board changes the oscillator to 33.33MHz in order > > to support QE 500MHZ and this new board supports 512MB DDR since 2008, > > but the u-boot only supports 256MB DDR and 66.6MHz oscillator on top > > tree, > > > > For 512MB DDR: > > BAT0 is used for the first 256MB memory, BAT4 is used for the second > > 256MB memory and the address space of SDRAM follows the DDR, so if > the > > size of DDR is 256MB, the BAT4 will be used for SDRAM and if the size > > of DDR is 512MB, the BAT4 will be used for the second 256MB memory > and > > there is no BAT for SDRAM. > > Therefore, if the size of DDR is 512MB, this patch will use BAT6 for > > SDRAM and BAT5 will be used for PCI MEM to replace the BAT6 after the > > codes relocates to the DDR. > > > > Signed-off-by: Jerry Huang <chang-ming.hu...@freescale.com> > > --- > > cahnges for v2: > > - fix multiline comment wrong > > changes for v3: > > - change the oscillator to 33330000, not 33300000 changes for v4: > > - add the mandatory history of changes changes for v5: > > - move the code to platform file from lib/board.c > > - add 2011 copyright > > NAK - this patch bricks my (older) mpc8360emds board. > > Kim _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
