On Mon, Jan 26, 2009 at 10:34 PM, Grant Likely <grant.lik...@secretlab.ca> wrote: > From: Grant Likely <grant.lik...@secretlab.ca> > > This patch ensures that memory gets properly mapped into the PCI > address space. Without this patch, the memory window BAR is left > at whatever value happened to be loaded into the BAR when Linux > was booted. Without this patch, memory could end up getting mapped > at any of the 1G address boundaries instead of at '0' where Linux > expects it. > > Similarly, this patch also ensures that the internally memory mapped > registers (IMMR) are mapped to the correct PCI address range. > > Without this patch, PCI appears to work correctly until a PCI > device is inserted which DMAs into memory. > > Signed-off-by: Grant Likely <grant.lik...@secretlab.ca> > --- > > This is a bugfix that I intend to merge into 2.6.29 and once it is > mainlined get it added to the stable queue. If you have a 5200 system, > please test and make sure it works for you. > > Thanks > g. > > arch/powerpc/platforms/52xx/mpc52xx_pci.c | 24 ++++++++++-------------- > 1 files changed, 10 insertions(+), 14 deletions(-) >
This doesn't affect Efika, right? What's the expected impact and how come nobody tried a DMA-capable PCI card in an MPC5200B board before? :) -- Matt Sealey <m...@genesi-usa.com> Genesi, Manager, Developer Relations _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev