J Wang ; Ray Ni ; Hao A Wu
> ; Jiewen Yao ; Liming Gao
> ; Pawel Polawski ;
> Oliver Steffen
> Subject: Re: [edk2-devel] [PATCH v3 2/6] OvmfPkg/FdtPciHostBridgeLib: io
> range is not mandatory
>
> Hi,
>
> > > - Io.Base = IoBase;
> > > - Io.Limit = IoB
Hi,
> > - Io.Base = IoBase;
> > - Io.Limit = IoBase + IoSize - 1;
> > + if (IoSize) {
> > +Io.Base = IoBase;
> > +Io.Limit = IoBase + IoSize - 1;
> > + } else {
> > +Io.Base = MAX_UINT64;
> > +Io.Limit = 0;
> HI Gerd,
> Does the consumer of Io (in PCI_ROOT_BRIDGE
> -Original Message-
> From: Gerd Hoffmann
> Sent: Thursday, April 7, 2022 5:33 PM
> To: devel@edk2.groups.io
> Cc: Leif Lindholm ; Ard Biesheuvel
> ; Jordan Justen ;
> Jian J Wang ; Ray Ni ; Hao A Wu
> ; Gerd Hoffmann ; Jiewen Yao
> ; Liming Gao ; Pawel
> Polawski ; Chang, Abner (HPS
io range is not mandatory according to pcie spec,
so allow host bridges without io address space.
Signed-off-by: Gerd Hoffmann
---
.../FdtPciHostBridgeLib/FdtPciHostBridgeLib.c | 45 ++-
1 file changed, 23 insertions(+), 22 deletions(-)
diff --git
