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From: Brad Boyer <flar@allandria.com>
To: Finn Thain <fthain@telegraphics.com.au>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Max Staudt <max@enpas.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-ide@vger.kernel.org
Subject: Re: [PATCH] m68k: defconfig: Update defconfigs for v5.4-rc1
Date: Mon, 4 Nov 2019 19:19:46 -0800
Message-ID: <20191105031946.GA31507@allandria.com> (raw)
In-Reply-To: <alpine.LNX.2.21.1.1911051318590.160@nippy.intranet>

On Tue, Nov 05, 2019 at 01:33:00PM +1100, Finn Thain wrote:
> All the PB 190 machines that I've come across have a late revision 68LC040 
> CPU that is free of errata. Please see,
> http://www.mac.linux-m68k.org/docs/faq.php#sec-4.5
> 
> The Performa 636 is highly likely to be affected, but you can run Linux 
> from initramfs to avoid page faults in code sections. That would allow you 
> to test the IDE driver.
> 
> Or you can just replace the CPU with a full 68040, since it is socketed. 

I'll try the PB190 first anyway. It should be easier due to not needing
to setup a monitor. I'm not sure if I ever booted Linux on either of
them, since I acquired both about the time I started getting too busy
to spend time on such things. I just found the Performa, and it's actually
a Performa 630CD but I don't see any obvious difference based on the specs.

I just took a look at the macide driver, and it appears to do basically
nothing other than pass a list of addresses into the core ide code. It's
one of the smallest drivers I've ever seen.

> But watch out for leaking capacitors and batteries...

I should pull out every machine in my collection and look for those sorts
of issues. None of them have been checked in at least 5 or 6 years.

	Brad Boyer
	flar@allandria.com


  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191001073539.4488-1-geert@linux-m68k.org>
2019-10-07 14:11 ` Max Staudt
2019-11-04 11:06   ` Geert Uytterhoeven
2019-11-04 21:15     ` Max Staudt
2019-11-05  0:01     ` Christoph Hellwig
2019-11-05  0:14     ` John Paul Adrian Glaubitz
2019-11-05  0:53       ` Brad Boyer
2019-11-05  2:33         ` Finn Thain
2019-11-05  3:19           ` Brad Boyer [this message]
2019-11-05  4:13             ` Finn Thain
2019-11-05 20:36               ` Brad Boyer

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