From: "Jacky Lam" <jackylam@astri.org>
To: <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Problem with EP405's PCI
Date: Fri, 17 Oct 2003 13:56:51 +0800 [thread overview]
Message-ID: <004501c39473$761a4990$2803050a@JackyLam> (raw)
In-Reply-To: 001801c3946b$48d84390$6401a8c0@sazabimobile
Please see my previous post and the reply from xzuo@vinesystech.com .
Hope it can help.
Jacky
----- Original Message -----
From: "Shih-Ying Chou" <sschou@mtu.edu>
To: <linuxppc-embedded@lists.linuxppc.org>
Sent: Friday, October 17, 2003 12:58 PM
Subject: Problem with EP405's PCI
>
> Hi All,
> Have anyone successfully made the EP405's PCI (through PC/104 plus)
> work? If anyone does, please help me, I have struggle with it for over a
> month now.
> Right now I am using the linuxppc_2_4_devel kernel, and I can get the
> EP405 to boot successfully. But I can get the PCI interface to work
right.
> When booting up, the kernel can recognize the card weither USB or Sound
> card, but it can seem to assign the right irq to the card. Because USB
card
> always complain about no IRQ assign and ask to check BIOS.
> I have look at the ep405.c and ppc405_pci.c and ppc4xx_pic.c files,
but
> I cannot find out what is wrong. I know that I need to modify the
> ppc405_devtable [] in the ep405.c file. I also check the registers such as
> DCRN_UIC_PR, DCRN_UIC_TR, and DCRN_UIC_SR and all the value seems to be
> correct, except DCRN_UIC_PR. In the ep405.c DCRN_UIC_PR is set to be
> 0xffffff80 which makes the PCI interrupt to be high, so as the User manual
> stated. But isn't PCI's interrupt should be active low?
>
> Any pointer will be helpful, thank you in advance!
>
> Shih-Ying Chou
>
>
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-10-17 5:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-17 4:58 Problem with EP405's PCI Shih-Ying Chou
2003-10-17 5:56 ` Jacky Lam [this message]
2003-10-17 15:57 ` Shih-Ying Chou
[not found] <D73A25AA6E54D511AD74009027B1110F3C0AAE@ORION>
2003-10-17 18:55 ` Shih-Ying Chou
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