From: Michael Ellerman <mpe@ellerman.id.au>
To: Scott Wood <scottwood@freescale.com>
Cc: linuxppc-dev@ozlabs.org, Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH v2] powerpc: Add cpu family documentation
Date: Wed, 30 Apr 2014 16:45:08 +1000 [thread overview]
Message-ID: <1398840308.5722.5.camel@concordia> (raw)
In-Reply-To: <1391553822.6733.189.camel@snotra.buserror.net>
On Tue, 2014-02-04 at 16:43 -0600, Scott Wood wrote:
> On Sat, 2014-02-01 at 15:35 +1100, Michael Ellerman wrote:
> > This patch adds some documentation on the different cpu families
> > supported by arch/powerpc.
> >
> > Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> > ---
> > v2: Reworked formatting to avoid wrapping.
> > Fixed up Freescale details.
> >
> >
> > Documentation/powerpc/cpu_families.txt | 227 +++++++++++++++++++++++++++++++++
> > 1 file changed, 227 insertions(+)
> > create mode 100644 Documentation/powerpc/cpu_families.txt
> >
> > diff --git a/Documentation/powerpc/cpu_families.txt b/Documentation/powerpc/cpu_families.txt
> > new file mode 100644
> > index 0000000..fa4f159
> > --- /dev/null
> > +++ b/Documentation/powerpc/cpu_families.txt
> > @@ -0,0 +1,227 @@
> > +CPU Families
> > +============
> > +
> > +This document tries to summarise some of the different cpu families that exist
> > +and are supported by arch/powerpc.
> > +
> > +
> > +Book3S (aka sPAPR)
> > +------------------
> > +
> > + - Hash MMU
> > + - Mix of 32 & 64 bit
> > +
> > + +--------------+ +----------------+
> > + | Old POWER | ---------------------------> | RS64 (threads) |
> > + +--------------+ +----------------+
> > + |
> > + |
> > + v
> > + +--------------+ +----------------+ +-------+
> > + | 601 | ---------------------------> | 603 | -> | 740 |
> > + +--------------+ +----------------+ +-------+
> > + | |
> > + | |
> > + v v
> > + +--------------+ +----------------+ +-------+
> > + | 604 | | 750 (G3) | -> | 750CX |
> > + +--------------+ +----------------+ +-------+
> > + | | |
> > + | | |
> > + v v v
> > + +--------------+ +----------------+ +-------+
> > + | 620 (64 bit) | | 7400 | | 750CL |
> > + +--------------+ +----------------+ +-------+
> > + | | |
> > + | | |
> > + v v v
> > + +--------------+ +----------------+ +-------+
> > + | POWER3/630 | | 7410 | | 750FX |
> > + +--------------+ +----------------+ +-------+
> > + | |
> > + | |
> > + v v
> > + +--------------+ +----------------+
> > + | POWER3+ | | 7450 |
> > + +--------------+ +----------------+
> > + | |
> > + | |
> > + v v
> > + +--------------+ +----------------+
> > + | POWER4 | | 7455 |
> > + +--------------+ +----------------+
> > + | |
> > + | |
> > + v v
> > + +--------------+ +-------+ +----------------+
> > + | POWER4+ | ---------------> | 970 | | 7447 |
> > + +--------------+ +-------+ +----------------+
> > + | | |
> > + | | |
> > + v v v
> > + +--------------+ +-------+ +-------+ +----------------+
> > + | POWER5 | --> | Cell | | 970FX | | 7448 |
> > + +--------------+ +-------+ +-------+ +----------------+
> > + | |
> > + | |
> > + v v
> > + +--------------+ +-------+
> > + | POWER5+ | | 970MP |
> > + +--------------+ +-------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | POWER5++ |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | POWER6 |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | POWER7 |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | POWER7+ |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | POWER8 |
> > + +--------------+
> > +
> > +
> > + +---------------+
> > + | PA6T (64 bit) |
> > + +---------------+
>
> Missing e300 (603 derivative) and e600 (7448 derivative).
Happy to add them, where do they hang off?
> > +IBM BookE
> > +---------
> > +
> > + - Software loaded TLB.
> > + - All 32 bit
> > +
> > + +--------------+
> > + | 401 |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | 403 |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | 405 |
> > + +--------------+
> > + |
> > + |
> > + v
>
> Are 40x considered booke?
You tell me.
> > +Motorola/Freescale 8xx
> > +----------------------
> > +
> > + - Software loaded with hardware assist.
> > + - All 32 bit
> > +
> > + +--------------+
> > + | 8xx |
> > + +--------------+
> > + |
> > + |
> > + v
> > + +--------------+
> > + | 850 |
> > + +--------------+
>
> Is the core of MPC850 different from other MPC8xx?
Dunno, maybe someone who works at Freescale knows ;)
> > +Freescale BookE
> > +---------------
> > +
> > + - Software loaded TLB.
> > + - e6500 adds HW loaded indirect TLB entries.
> > + - Mix of 32 & 64 bit
> > +
> > + +--------------+
> > + | e200 |
> > + +--------------+
> > +
> > +
> > + +--------------------------------+
> > + | e500 |
> > + +--------------------------------+
> > + |
> > + |
> > + v
> > + +--------------------------------+
> > + | e500v2 |
> > + +--------------------------------+
> > + |
> > + |
> > + v
> > + +--------------------------------+
> > + | e500mc |
> > + +--------------------------------+
> > + |
> > + |
> > + v
> > + +--------------------------------+
> > + | e5500 (Book3e) (64 bit) |
> > + +--------------------------------+
> > + |
> > + |
> > + v
> > + +--------------------------------+
> > + | e6500 (HW TLB) (Multithreaded) |
> > + +--------------------------------+
>
> Why (Book3e) on e5500? e500mc is also an ISA 2.06 book3e core.
OK. I'll move Book3e to e500mc. It's implied that it continues to apply to the
derivatives.
cheers
next prev parent reply other threads:[~2014-04-30 6:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-01 4:35 [PATCH v2] powerpc: Add cpu family documentation Michael Ellerman
2014-02-04 22:43 ` Scott Wood
2014-04-30 6:45 ` Michael Ellerman [this message]
2014-04-30 18:14 ` Tom Musta
2014-04-30 18:26 ` Scott Wood
2014-04-30 18:29 ` Scott Wood
2014-05-14 18:04 ` James Yang
2014-04-30 18:33 ` Arnd Bergmann
2014-02-07 2:00 ` James Yang
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