Hi Torsten, I did all my tests in PPCBoot bootloader since I don't expect any additional problems in Linux. Attached you can find a patch for cup/mpc8xx/serial.c in PPCBoot.
Regards, Stephan > -----Original Message----- > From: Demke, Torsten [mailto:Torsten.Demke at fci.com] > Sent: Donnerstag, 11. Dezember 2003 10:57 > To: Stephan Linke > Subject: RE: MPC852T with SCC3 and SMC1 > > > Hello Stephan, > > thanks for your help. > Do you made changes in the Linux uart.c driver > to work with the relocated data structures? > > Regards, > Torsten > > > -----Original Message----- > > From: Stephan Linke [mailto:Stephan.Linke at epygi.de] > > Sent: Donnerstag, 11. Dezember 2003 08:02 > > To: Demke, Torsten > > Subject: RE: MPC852T with SCC3 and SMC1 > > > > > > Hi Thorsten, > > > > you should look for a 860 microcode. It's a microcode that > > allowes relocating SMC, I2C and SMC. I already did some tests > > with it on > > a 852T and it finaly worked fine. But I had a lot of trouble > > getting PPCBoot running on it but that was due to some a giant array > > allocated on the stack (console buffer). > > > > > > Regards, Stephan > > > > > -----Original Message----- > > > From: owner-linuxppc-embedded at lists.linuxppc.org > > > [mailto:owner-linuxppc-embedded at lists.linuxppc.org]On > > Behalf Of Demke, > > > Torsten > > > Sent: Mittwoch, 10. Dezember 2003 18:24 > > > To: linuxppc-embedded at lists.linuxppc.org > > > Subject: MPC852T with SCC3 and SMC1 > > > > > > > > > > > > Hello all, > > > > > > At one of our boards were using the MPC852T. > > > It will use the SMC1 as UART _and_ SCC3 with ethernet. > > > (SCC4 will also run ethernet.) > > > I know that SCC3 will overlap the Parameter RAM of SMC1 and > > > I guess that there is a microcode patch to relocate the SMC1. > > > > > > There is already a microcode patch mentioned in the 8xx_io/ > > directory > > > but it doesnt work at my board. Somebody uses this > > microcode to relocate > > > SMC1? (to which address?) > > > > > > I also tried to find a microcode patch for MPC852T > > > at the motorola web-site but without success. > > > Can anybody give me a hint where to find this microcode? > > > > > > Thanks for your help. > > > > > > Best regards, > > > > > > Torsten Demke > > > > > > > > > > > -------------- next part -------------- A non-text attachment was scrubbed... Name: serial.c.patch Type: application/octet-stream Size: 1467 bytes Desc: not available Url : http://ozlabs.org/pipermail/linuxppc-embedded/attachments/20031212/a9d7a032/attachment.obj
