Matt's fix is now part of the linuxppc-2.4 tree. Thanks matt. - kumar
On Feb 5, 2004, at 10:12 AM, Matt Porter wrote: > > On Thu, Feb 05, 2004 at 10:32:48AM +0100, eric lescouet wrote: >> >> Michele, >> >> Support for mpc8540 is already in linuxppc-2.4 tree. >> see ppc.bkbits.net > > Actually, the linuxppc-2.4 support is incomplete, there's no TSEC/FEC > driver or other on-chip peripheral drivers in that tree to make it > really useful. You could just use a PCI network card to nfsroot a > filesystem and get started, though. > > http://www.metrowerks.com/MW/Develop/Embedded/Linux/BSP.htm has > an 8560ADS BSP for download...it probably has some drivers for > on-chip peripherals included. > > BTW, you'll need the following patch to linuxppc-2.4 to fix outbound > PCI mem cycles: > > ===== arch/ppc/platforms/mpc85xx_ads_common.c 1.3 vs edited ===== > --- 1.3/arch/ppc/platforms/mpc85xx_ads_common.c Thu Jan 22 12:58:25 > 2004 > +++ edited/arch/ppc/platforms/mpc85xx_ads_common.c Thu Feb 5 > 09:10:34 2004@@ -316,8 +316,8 @@ > pci->piwar2 = 0; > pci->piwar3 = 0; > > - /* Setup 128M outbound mem window @ 0xe0000000 */ > - pci->potar1 = 0x00000000; > + /* Setup 128M Phys:PCI 1:1 outbound mem window @ 0xe0000000 */ > + pci->potar1 = (MPC85XX_ADS_PCI_LOWER_MEM >> 12) & 0x000fffff; > pci->potear1 = 0x00000000; > pci->powbar1 = (MPC85XX_ADS_PCI_LOWER_MEM >> 12) & 0x000fffff; > pci->powar1 = 0x8004401a; /* Enable, Mem R/W, 128M */ > > -Matt > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
