[U-Boot] [PATCH 1/4] x86: BayTrail: southcluster.asl: Change PCI 64 bit address range / region

Bin Meng bmeng.cn at gmail.com
Thu Oct 25 13:05:02 UTC 2018


On Tue, Oct 23, 2018 at 12:54 PM Bin Meng <bmeng.cn at gmail.com> wrote:
>
> On Mon, Oct 22, 2018 at 8:08 PM Stefan Roese <sr at denx.de> wrote:
> >
> > To allow bigger 64 bit prefetchable PCI regions in Linux, this patch
> > changes the base address and range of the ACPI area passed to Linux.
> > BayTrail can only physically access 36 bit of PCI address space. So
> > just chaning the range without changing the base address won't work
> > here, as 0xf.ffff.ffff is already the maximum address.
> >
> > With this patch, a maximum of 16 GiB of local DDR is supported. This
> > should be enough for all BayTrail boards though.
> >
> > Signed-off-by: Stefan Roese <sr at denx.de>
> > Cc: Bin Meng <bmeng.cn at gmail.com>
> > Cc: Simon Glass <sjg at chromium.org>
> > ---
> >  arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

applied to u-boot-x86, thanks!


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