linux-kernel - Re: [PATCH 02/10] ARM: disable CONFIG_IDE in footbridge

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Date:   Mon, 22 Mar 2021 18:10:01 +0100
From:   Cye Borg <cyborgyn@...il.com>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>
Cc:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Christoph Hellwig <hch@....de>,
        "David S. Miller" <davem@...emloft.net>,
        Jens Axboe <axboe@...nel.dk>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-ide@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-m68k@...ts.linux-m68k.org, linux-mips@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 02/10] ARM: disable CONFIG_IDE in footbridge_defconfig

PWS 500au:

snow / # lspci -vvx -s 7.1
00:07.1 IDE interface: Contaq Microsystems 82c693 (prog-if 80 [ISA
Compatibility mode-only controller, supports bus mastering])
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr+ Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
>TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 0
        Region 0: I/O ports at 01f0 [size=8]
        Region 1: I/O ports at 03f4
        Region 4: I/O ports at 9080 [size=16]
        Kernel driver in use: pata_cypress
        Kernel modules: pata_cypress
00: 80 10 93 c6 45 00 80 02 00 80 01 01 00 00 80 00
10: f1 01 00 00 f5 03 00 00 00 00 00 00 00 00 00 00
20: 81 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00

snow / # lspci -vvx -s 7.2
00:07.2 IDE interface: Contaq Microsystems 82c693 (prog-if 00 [ISA
Compatibility mode-only controller])
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr+ Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
>TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 0
        Region 0: I/O ports at 0170 [size=8]
        Region 1: I/O ports at 0374
        Region 4: Memory at 0c240000 (32-bit, non-prefetchable)
[disabled] [size=64K]
        Kernel modules: pata_cypress
00: 80 10 93 c6 45 00 80 02 00 00 01 01 00 00 80 00
10: 71 01 00 00 75 03 00 00 00 00 00 00 00 00 00 00
20: 00 00 24 0c 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00

On Mon, Mar 22, 2021 at 6:04 PM Russell King - ARM Linux admin
<linux@...linux.org.uk> wrote:
>
> On Mon, Mar 22, 2021 at 05:09:13PM +0100, John Paul Adrian Glaubitz wrote:
> > On 3/22/21 4:15 PM, Russell King - ARM Linux admin wrote:
> > > I'm quite surprised that the CY82C693 even works on Alpha - I've
> > > asked for a lspci for that last week but nothing has yet been
> > > forthcoming from whoever responded to your patch for Alpha - so I
> > > can't compare what I'm seeing with what's happening with Alpha.
> >
> > Here is lspci on my DEC Alpha XP-1000:
> >
> > root@...nami:~> lspci
> > 0000:00:07.0 ISA bridge: Contaq Microsystems 82c693
> > 0000:00:07.1 IDE interface: Contaq Microsystems 82c693
> > 0000:00:07.2 IDE interface: Contaq Microsystems 82c693
> > 0000:00:07.3 USB controller: Contaq Microsystems 82c693
> > 0000:00:0d.0 VGA compatible controller: Texas Instruments TVP4020 [Permedia 2] (rev 01)
> > 0001:01:03.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev 41)
> > 0001:01:06.0 SCSI storage controller: QLogic Corp. ISP1020 Fast-wide SCSI (rev 06)
> > 0001:01:08.0 PCI bridge: Digital Equipment Corporation DECchip 21152 (rev 03)
> > 0001:02:09.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05)
> > root@...nami:~>
>
> This is no good. What I asked last Thursday was:
>
> "Could you send me the output of lspci -vvx -s 7.1 and lspci -vvx -s 7.2
> please?"
>
> so I can see the resources the kernel is using and a dump of the PCI
> config space to see what the hardware is using.
>
> Thanks.
>
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!