From: Andreas Schwab <schwab@linux-m68k.org>
To: Michael Schmitz <schmitzmic@googlemail.com>
Cc: Alan Hourihane <alanh@fairlite.co.uk>,
Linux/m68k <linux-m68k@vger.kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: Atari TT (next)
Date: Sun, 08 Jan 2012 10:35:04 +0100 [thread overview]
Message-ID: <m2pqeumt9z.fsf@linux-m68k.org> (raw)
In-Reply-To: <4F0917E9.9090600@gmail.com> (Michael Schmitz's message of "Sun, 08 Jan 2012 17:13:29 +1300")
Michael Schmitz <schmitzmic@googlemail.com> writes:
> Come to think of it - does the TT video chipset actually require screen
> memory to reside in ST-RAM?
Yes. Only the SCSI-DMA and SCC-DMA chips can address TT-RAM.
> That's what I meant - the kernel residing in TT-RAM automatically will map
> this chunk at kernel virtual address 0x0. Something in our mem_init logic
> prevents using RAM with a lower physical address than was used by the
> first chunk. I'm quoting from memory here - Roman Zippel might know the
> exact answer to this.
If the kernel resides in TT-RAM all of ST-RAM is supposed to be used by
stram_alloc.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2012-01-08 9:35 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-07 1:27 Atari TT (next) Alan Hourihane
2012-01-07 6:47 ` Michael Schmitz
2012-01-07 16:59 ` Alan Hourihane
2012-01-08 0:46 ` Alan Hourihane
2012-01-08 4:13 ` Michael Schmitz
2012-01-08 9:35 ` Andreas Schwab [this message]
2012-01-08 9:42 ` Alan Hourihane
2012-01-08 23:51 ` Michael Schmitz
2012-01-08 23:59 ` Alan Hourihane
2012-01-09 0:05 ` Michael Schmitz
2012-01-09 0:14 ` Alan Hourihane
2012-01-09 0:23 ` Andreas Schwab
2012-01-09 3:17 ` Michael Schmitz
2012-01-09 1:03 ` Alan Hourihane
2012-01-09 1:25 ` Alan Hourihane
2012-01-09 10:40 ` Andreas Schwab
2012-01-09 11:22 ` Alan Hourihane
2012-01-09 12:14 ` Geert Uytterhoeven
2012-01-09 12:40 ` Tuomas Vainikka
2012-01-09 14:10 ` [PATCH] m68k: fix assembler constraint to prevent overeager gcc optimisation Andreas Schwab
2012-01-22 10:15 ` Geert Uytterhoeven
2012-01-22 10:53 ` Geert Uytterhoeven
2012-01-22 12:42 ` Andreas Schwab
2012-01-09 3:16 ` Atari TT (next) Michael Schmitz
2012-01-27 17:01 ` Thorsten Glaser
2012-01-28 20:33 ` Michael Schmitz
2012-01-29 0:57 ` Thorsten Glaser
2012-01-29 9:42 ` Geert Uytterhoeven
2012-01-29 19:55 ` Thorsten Glaser
2012-01-29 21:56 ` Geert Uytterhoeven
2012-01-08 10:20 ` Geert Uytterhoeven
2012-01-08 19:21 ` Michael Schmitz
2012-01-08 19:53 ` Geert Uytterhoeven
2012-01-08 23:42 ` Michael Schmitz
2012-01-08 22:05 ` Andreas Schwab
2012-01-08 23:39 ` Michael Schmitz
2012-01-08 23:49 ` Alan Hourihane
2012-01-08 23:58 ` Michael Schmitz
2012-01-08 13:36 ` Andreas Schwab
2012-01-08 14:42 ` Alan Hourihane
2012-01-08 19:24 ` Michael Schmitz
2012-01-08 17:45 ` Geert Uytterhoeven
2012-01-08 19:50 ` Alan Hourihane
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