From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 28 Jan 2009 19:29:01 +0000 (GMT) Received: from mail.bugwerft.de ([212.112.241.193]:35016 "EHLO mail.bugwerft.de") by ftp.linux-mips.org with ESMTP id S21366465AbZA1T2h (ORCPT ); Wed, 28 Jan 2009 19:28:37 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.bugwerft.de (Postfix) with ESMTP id 7027249400C for ; Wed, 28 Jan 2009 20:28:31 +0100 (CET) Received: from mail.bugwerft.de ([127.0.0.1]) by localhost (mail.bugwerft.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9GARCa4v-mDC for ; Wed, 28 Jan 2009 20:28:31 +0100 (CET) Received: from [10.1.1.26] (ip-77-25-15-184.web.vodafone.de [77.25.15.184]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.bugwerft.de (Postfix) with ESMTP id 4118149400B for ; Wed, 28 Jan 2009 20:28:30 +0100 (CET) Subject: (SOLVED) Re: Au1550 with kernel linux-2.6.28.1 PCI Cardbus mappings too large (SOLVED) From: Frank Neuber To: linux-mips In-Reply-To: <1232965296.28527.427.camel@t60p> References: <1232739600.28527.289.camel@t60p> <20090124085734.5b6b5c66@scarran.roarinelk.net> <1232787448.28527.302.camel@t60p> <1232839224.28527.336.camel@t60p> <1232871616.28527.347.camel@t60p> <1232965296.28527.427.camel@t60p> Content-Type: text/plain Date: Wed, 28 Jan 2009 20:28:24 +0100 Message-Id: <1233170905.28527.559.camel@t60p> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 21863 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: frank.neuber@kernelport.de Precedence: bulk X-list: linux-mips Hi, I found a woking solution to use my pci wired ehci controller on the au1550 :-) I did this in drivers/pci/pci.c here is the patch: diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e491fde..3422ff4 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -29,7 +29,7 @@ int pci_domains_supported = 1; #endif #define DEFAULT_CARDBUS_IO_SIZE (256) -#define DEFAULT_CARDBUS_MEM_SIZE (64*1024*1024) +#define DEFAULT_CARDBUS_MEM_SIZE (32*1024*1024) /* pci=cbmemsize=nnM,cbiosize=nn can override this */ unsigned long pci_cardbus_io_size = DEFAULT_CARDBUS_IO_SIZE; unsigned long pci_cardbus_mem_size = DEFAULT_CARDBUS_MEM_SIZE; Because this code is working on i386 with 64 bit memsize we need a au1550 specific solution. I don't know how is the rigth way. Kind Regards, Frank Am Montag, den 26.01.2009, 11:21 +0100 schrieb Frank Neuber: > Hello again, > as I sad I want to use a USB controller wired on the pci bus. > The EHCI Probe (usb_hcd_pci_probe) fails with "controller already in > use" error because the request_mem_region gives an error. > > I think the Problem is that the CardBus bridge eat the mem. > As a refence you can compare the CadrBus mem window on 2.6.28.1 with > 2.6.16.11. > At the moment I have no idea how can I fix this resource conflict ... > > I found a pcibios_fixup_bus fuction that reorganize the dev->resource[i] > values but I'm not sure if this is called during pci init. I'll check > this now. > Is there a PCI guru for mips on the list? > > Kind regards, > Frank > > Kernel 2.6.28.1 output > pci 0000:00:0c.0: PME# supported from D1 D3hot D3cold > pci 0000:00:0c.0: PME# disabled > pci 0000:00:0c.1: PME# supported from D1 D3hot D3cold > pci 0000:00:0c.1: PME# disabled > pci 0000:00:0c.2: PME# supported from D0 D1 D2 D3hot D3cold > pci 0000:00:0c.2: PME# disabled > pci 0000:00:0d.0: PME# supported from D0 D1 D2 D3hot D3cold > pci 0000:00:0d.0: PME# disabled > pci 0000:00:0d.1: PME# supported from D0 D1 D2 D3hot D3cold > pci 0000:00:0d.1: PME# disabled > pci 0000:00:0c.0: BAR 0: can't allocate mem resource > [0x50000000-0x4fffffff] > pci 0000:00:0c.1: BAR 0: can't allocate mem resource > [0x50000000-0x4fffffff] > pci 0000:00:0d.0: BAR 0: can't allocate mem resource > [0x50000000-0x4fffffff] > pci 0000:00:0d.1: BAR 0: can't allocate mem resource > [0x50000000-0x4fffffff] > pci 0000:00:0c.2: BAR 0: can't allocate mem resource > [0x50000000-0x4fffffff] > pci 0000:00:0d.0: CardBus bridge, secondary bus 0000:01 > pci 0000:00:0d.0: IO window: 0x001000-0x0010ff > pci 0000:00:0d.0: IO window: 0x001400-0x0014ff > pci 0000:00:0d.0: PREFETCH window: 0x40000000-0x43ffffff > pci 0000:00:0d.0: MEM window: 0x44000000-0x47ffffff > pci 0000:00:0d.1: CardBus bridge, secondary bus 0000:05 > pci 0000:00:0d.1: IO window: 0x001800-0x0018ff > pci 0000:00:0d.1: IO window: 0x001c00-0x001cff > pci 0000:00:0d.1: PREFETCH window: 0x48000000-0x4bffffff > pci 0000:00:0d.1: MEM window: 0x4c000000-0x4fffffff > PCI: Enabling device 0000:00:0d.0 (0000 -> 0003) > PCI: Enabling device 0000:00:0d.1 (0000 -> 0003) > > > Kernel 2.6.16.11 output > PCI: Bus 1, cardbus bridge: 0000:00:0d.0 > IO window: 00001000-000010ff > IO window: 00001400-000014ff > PREFETCH window: 40000000-41ffffff > MEM window: 42000000-43ffffff > PCI: Bus 5, cardbus bridge: 0000:00:0d.1 > IO window: 00001800-000018ff > IO window: 00001c00-00001cff > PREFETCH window: 44000000-45ffffff > MEM window: 46000000-47ffffff > PCI: Enabling device 0000:00:0d.0 (0000 -> 0003) > PCI: Setting latency timer of device 0000:00:0d.0 to 64 > PCI: Enabling device 0000:00:0d.1 (0000 -> 0003) > PCI: Setting latency timer of device 0000:00:0d.1 to 64 > >