[PATCH u-boot] doc: board: qemu-ppce500: Update supported and unsupported

Bin Meng bmeng.cn at gmail.com
Wed Dec 21 10:01:37 CET 2022


On Wed, Dec 21, 2022 at 3:49 PM Pali Rohár <pali at kernel.org> wrote:
>
> On Wednesday 21 December 2022 09:15:41 Bin Meng wrote:
> > On Wed, Dec 21, 2022 at 4:06 AM Pali Rohár <pali at kernel.org> wrote:
> > >
> > > qemu can emulate also e500v1 core but cannot emulate CPUs from Freescale
> > > PowerPC QorIQ T and P series.
> > >
> > > Signed-off-by: Pali Rohár <pali at kernel.org>
> > > ---
> > >  doc/board/emulation/qemu-ppce500.rst | 8 +++++---
> > >  1 file changed, 5 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/doc/board/emulation/qemu-ppce500.rst b/doc/board/emulation/qemu-ppce500.rst
> > > index 5de0aaf55ded..10427cc56302 100644
> > > --- a/doc/board/emulation/qemu-ppce500.rst
> > > +++ b/doc/board/emulation/qemu-ppce500.rst
> > > @@ -7,7 +7,7 @@ QEMU PPC E500
> > >  QEMU for PPC supports a special 'ppce500' machine designed for emulation and
> > >  virtualization purposes. This document describes how to run U-Boot under it.
> > >
> > > -The QEMU ppce500 machine models a generic PowerPC E500 virtual machine with
> > > +The QEMU ppce500 machine models a generic PowerPC e500 virtual machine with
> > >  support for the VirtIO standard networking device connected to the built-in
> > >  PCI host controller. Some common devices in the CCSBAR space are modeled,
> > >  including MPIC, 16550A UART devices, GPIO, I2C and PCI host controller with
> > > @@ -39,6 +39,7 @@ embedded DTB created by QEMU reflects the new setting.
> > >  Both qemu-system-ppc and qemu-system-ppc64 provide emulation for the following
> > >  32-bit PowerPC CPUs:
> > >
> > > +* e500v1
> > >  * e500v2
> > >  * e500mc
> > >
> > > @@ -61,8 +62,9 @@ When U-Boot boots, you will notice the following::
> > >  This is because we only specified a core name to QEMU and it does not have a
> > >  meaningful SVR value which represents an actual SoC that integrates such core.
> > >  You can specify a real world SoC device that QEMU has built-in support but all
> > > -these SoCs are e500v2 based MPC85xx series, hence you cannot test anything
> > > -built for P4080 (e500mc), P5020 (e5500) and T2080 (e6500).
> > > +these SoCs are e500v1/e500v2 based MPC85xx series, hence you cannot test anything
> > > +built for P10xx/P2010/P2020 (e500v2), P2O4x/P304x/P40xx (e500mc), P50xx/T10xx (e5500)
> >
> > typo: P2O4x
>
> Where is a typo? I wrote P204x (which should mean both P2040 and P2041).

Is that 0 or O? It looks like an O.

>
> > > +and T208x/T4080/T4160/T4240 (e6500).
> > >
> > >  By default a VirtIO standard PCI networking device is connected as an ethernet
> > >  interface at PCI address 0.1.0, but we can switch that to an e1000 NIC by::
> > > --

Regards,
Bin


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