Hi Greg,
> > > > The issue is not the firmware. The issue is that the Linux uio
> > > > driver
> > > > (here: uio_cif) does not work as uio_mmap() -> uio_mmap_physical()
> > > > does not do a mmap on physical memory that is not page aligned...
> > >
> > > Then why not fix the uio_cif driver?
> > Th
On Tue, Jun 07, 2016 at 06:51:47AM +, Koehrer Mathias (ETAS/ESW5) wrote:
> Hi Greg,
> > > thanks for the response.
> > > > > Some uio based PCI drivers (e.g. uio_cif) do not work if the
> > > > > assigned PCI memory resources are not page aligned.
> > > > > By using the kernel option "pci=resou
Hi Greg,
> > thanks for the response.
> > > > Some uio based PCI drivers (e.g. uio_cif) do not work if the
> > > > assigned PCI memory resources are not page aligned.
> > > > By using the kernel option "pci=resource_alignment" it is possible
> > > > to force single PCI boards to use page alignment
On Mon, Jun 06, 2016 at 02:59:47PM +, Koehrer Mathias (ETAS/ESW5) wrote:
> Hi Greg,
>
> thanks for the response.
> > > Some uio based PCI drivers (e.g. uio_cif) do not work if the assigned
> > > PCI memory resources are not page aligned.
> > > By using the kernel option "pci=resource_alignment
Hi Greg,
thanks for the response.
> > Some uio based PCI drivers (e.g. uio_cif) do not work if the assigned
> > PCI memory resources are not page aligned.
> > By using the kernel option "pci=resource_alignment" it is possible to
> > force single PCI boards to use page alignment for their memory re
On Mon, Jun 06, 2016 at 06:53:28AM +, Koehrer Mathias (ETAS/ESW5) wrote:
> Some uio based PCI drivers (e.g. uio_cif) do not work if the assigned
> PCI memory resources are not page aligned.
> By using the kernel option "pci=resource_alignment" it is possible to force
> single PCI boards to use
Some uio based PCI drivers (e.g. uio_cif) do not work if the assigned
PCI memory resources are not page aligned.
By using the kernel option "pci=resource_alignment" it is possible to force
single PCI boards to use page alignment for their memory resources.
However, this is fairly cumbersome if mul
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