From: Mark Eichin <eichin@thok.org>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: CONFIG_BLK_DEV_SL82C105 should not be PPC/ARM specific
Date: 09 Sep 2001 02:49:20 -0400 [thread overview]
Message-ID: <xe1pu90svtb.fsf@swat.thok.org> (raw)
In-Reply-To: <20010906223001.A63F613DC7@kuroneko> <20010907000817.G23583@flint.arm.linux.org.uk>
In-Reply-To: Russell King's message of "Fri, 7 Sep 2001 00:08:17 +0100"
That patch (plus bludgeoning the config) certainly *works* on this
chipset, but it doesn't get DMA support; logs follow. If I run hdparm
to put it into using_dma mode, and then try to access it, using_dma
mode gets turned off after some delay...
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with
idebus=xx
W82C105: IDE controller on PCI bus 00 dev 10
PCI: No IRQ known for interrupt pin A of device 00:02.0. Probably
buggy MP table.
W82C105: chipset revision 6
W82C105: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xfcd0-0xfcd7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xfcd8-0xfcdf, BIOS settings: hdc:DMA, hdd:DMA
hda: Maxtor 4W100H6, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: 195711264 sectors (100204 MB) w/2048KiB Cache, CHS=194158/16/63,
(U)DMA
hda:hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
LDM: DEBUG (ldm.c, 876): validate_partition_table: Found basic MS-DOS
partition, not a
dynamic disk.
hda1 hda2
# hdparm -v /dev/hda
/dev/hda:
multcount = 0 (off)
I/O support = 0 (default 16-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 63086/16/63, sectors = 195711264, start = 0
# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 64 MB in 57.65 seconds = 1.11 MB/sec
# hdparm -v /dev/hda
/dev/hda:
multcount = 0 (off)
I/O support = 0 (default 16-bit)
unmaskirq = 1 (on)
using_dma = 0 (off)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 63086/16/63, sectors = 195711264, start = 0
prev parent reply other threads:[~2001-09-09 6:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-06 22:30 CONFIG_BLK_DEV_SL82C105 should not be PPC/ARM specific Mark W. Eichin
2001-09-06 23:08 ` Russell King
2001-09-09 6:49 ` Mark Eichin [this message]
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