From: Dan Malek <dan@netx4.com>
To: Brendan.Simon@ctam.com.au
Cc: linuxppc-embedded <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: mpc8xx-2.2.13 kernel hangs during boot.
Date: Tue, 01 Feb 2000 11:07:05 -0500 [thread overview]
Message-ID: <389704A9.444FA736@netx4.com> (raw)
In-Reply-To: 38976797.F621D0A9@ctam.com.au
Brendan John Simon wrote:
> The memory controller is setup in my boot loader. It knows nothing about VMA, only
> PMA.
This has nothing to do with the 8xx memory controller. It is the
way the Linux kernel maps its virtual space.
> I am happy with this but am not sure what the DRAM address should be.
> Should I map CS1 and CS2 to 0x00000000 or 0xC0000000 ?
DRAM should map to 0.
> ... I sounds
> like I will probably need it to access my peripherals from within linux. Is this
> correct ?
Yes. It is simply the kernel memory mapping function, similar
to what mmap() does in a user application.
-- Dan
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-02-01 16:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200002010035.BAA26304@denx.local.net>
2000-02-01 12:16 ` mpc8xx-2.2.13 kernel hangs during boot Brendan John Simon
[not found] ` <38968BC0.6FD6E801@netx4.com>
2000-02-01 23:09 ` Brendan John Simon
2000-02-01 16:07 ` Dan Malek [this message]
[not found] ` <0001311713560A.00776@alan.corp.packetengines.com>
2000-02-01 12:58 ` Brendan John Simon
2000-02-01 1:49 ` Alan Mimms
2000-02-01 13:38 ` Brendan John Simon
2000-02-01 3:42 ` Alan Mimms
[not found] <48256878.00018A59.00@mail.zhongxing.com>
2000-02-01 11:47 ` Brendan John Simon
2000-02-01 7:32 ` Dan Malek
2000-02-01 10:00 Brendan John Simon
2000-01-31 23:40 ` Dan Malek
2000-02-01 11:09 ` Brendan John Simon
2000-02-17 11:05 ` dony
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