From: Ralf Baechle <ralf@linux-mips.org>
To: Manuel Lauss <mano@roarinelk.homelinux.net>
Cc: linux-mips@linux-mips.org
Subject: Re: Au1000 PCMCIA broken in 2.6.20
Date: Wed, 21 Feb 2007 09:37:55 +0000 [thread overview]
Message-ID: <20070221093754.GA29944@linux-mips.org> (raw)
In-Reply-To: <20070221073848.GA9822@roarinelk.homelinux.net>
On Wed, Feb 21, 2007 at 08:38:48AM +0100, Manuel Lauss wrote:
> Date: Wed, 21 Feb 2007 08:38:48 +0100
> From: Manuel Lauss <mano@roarinelk.homelinux.net>
> To: linux-mips@linux-mips.org
> Subject: Au1000 PCMCIA broken in 2.6.20
> Content-Type: text/plain; charset=us-ascii
>
> Hello,
>
> PCMCIA is broken on my Au1200 platform. Seems to me that accesses to Attribute
> memory are broken; a dump of the CIS reveals the following:
>
> 1.0: ParseTuple: Bad CIS tuple
> 00000000 01 03 ff ff ff 1c 04 ff ff ff ff 18 02 ff ff 20 |............... |
> 00000010 04 98 00 00 00 15 20 04 ff ff ff ff ff ff ff ff |...... .........|
> 00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
> 00000030 ff ff ff ff ff ff ff 21 02 04 01 22 02 ff ff 22 |.......!..."..."|
> 00000040 03 ff ff ff 1a 05 ff ff ff ff ff 1b 08 ff ff ff |................|
> 00000050 ff ff ff ff ff 1b 06 ff ff ff ff ff ff 1b 0a ff |................|
> 00000060 ff ff ff ff ff ff ff ff ff 1b 06 ff ff ff ff ff |................|
> 00000070 ff 1b 0f ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
> 00000080 ff ff 1b 06 ff ff ff ff ff ff 1b 0f ff ff ff ff |................|
> 00000090 ff ff ff ff ff ff ff ff ff ff ff 1b 06 ff ff ff |................|
> 000000a0 ff ff ff 14 00 |.....|
>
> it should look like this:
> 00000000 01 03 d9 01 ff 1c 04 03 d9 01 ff 18 02 df 01 20 |............... |
> 00000010 04 98 00 00 00 15 20 04 01 54 4f 53 48 49 42 41 |...... ..TOSHIBA|
> 00000020 20 54 48 4e 43 46 32 35 36 4d 50 47 20 00 00 00 | THNCF256MPG ...|
> 00000030 00 00 00 00 00 00 ff 21 02 04 01 22 02 01 01 22 |.......!..."..."|
> 00000040 03 02 0c 0f 1a 05 01 03 00 02 0f 1b 08 c0 c0 a1 |................|
> 00000050 01 55 08 00 20 1b 06 00 01 21 b5 1e 4d 1b 0a c1 |.U.. ....!..M...|
> 00000060 41 99 01 55 64 f0 ff ff 20 1b 06 01 01 21 b5 1e |A..Ud... ....!..|
> 00000070 4d 1b 0f c2 41 99 01 55 ea 61 f0 01 07 f6 03 01 |M...A..U.a......|
> 00000080 ee 20 1b 06 02 01 21 b5 1e 4d 1b 0f c3 41 99 01 |. ....!..M...A..|
> 00000090 55 ea 61 70 01 07 76 03 01 ee 20 1b 06 03 01 21 |U.ap..v... ....!|
> 000000a0 b5 1e 4d 14 00 |..M..|
>
> Reverting "[PATCH] Generic ioremap_page_range: mips conversion" makes it
> work again:
> http://www.linux-mips.org/git?p=linux.git;a=commitdiff_plain;h=8e087929df884dbb13e383d49d192bdd6928ecbf;hp=62dfb5541a025b47df9405ff0219c7829a97d83b
>
> The socket driver I use is a simplified version of au1000_generic and
> au1000_db1x00 combined. None of those have received any updates since
> the above mentioned patch went it.
Yes, the patch indeed is bogus; the MIPS version is capable of dealing with
longer addresses - which only makes a difference for Alchemy. The Alchemy
designers did quite a nice job except on the address space layout which
really sucks rocks through a straw.
Ralf
prev parent reply other threads:[~2007-02-21 9:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-21 7:38 Au1000 PCMCIA broken in 2.6.20 Manuel Lauss
2007-02-21 8:19 ` Ulrich Eckhardt
2007-02-21 8:44 ` Manuel Lauss
2007-02-21 9:37 ` Ralf Baechle [this message]
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