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SubjectRe: IDE on 2.4.2
On Mon, Mar 12, 2001 at 08:50:23AM +0100, Martin Diehl wrote:
>
> On Sun, 11 Mar 2001, Steven Walter wrote:
> > I have this exact same chip on my board (a PCChips M599-LMR or something
> > like that) which works flawlessly on 2.4.2, even with UDMA66.
>
> Do you have CONFIG_BLK_DEV_SIS5513 and autotuning enabled at the
> same time? Unless I enable them both it works flawlessly for me too - up
> to UDMA33. In fact, I've never seen any docs claiming the 5591/5513 would
> even provide UDMA66 support. How do you program the controler to do UDMA66
> cycles?
> Anyway, might be interesting to have a look at your lspci -d:5513 -vvvxxx
> report from working UDMA33/66 setups!

The big man himself, Andre Hedrick, has stated that the SiS5513 should
work in UDMA/66 mode, as is evidenced by my setup.

Yep, both are enabled (from .config):
CONFIG_BLK_DEV_SIS5513=y
CONFIG_IDEDMA_AUTO=y

I don't have to do anything to program it to UDMA66, as this is what it
defaults to on boot (from dmesg):

SIS5513: IDE controller on PCI bus 00 dev 01
PCI: No IRQ known for interrupt pin A of device 00:00.1. Please try using pci=biosirq.
SIS5513: chipset revision 208
SIS5513: not 100% native mode: will probe irqs later
SiS530
ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
hda: WDC WD84AA, ATA DISK drive
hdc: ATAPI 48X CDROM, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 16514064 sectors (8455 MB) w/2048KiB Cache, CHS=1027/255/63, UDMA(66)
hdc: ATAPI 48X CD-ROM drive, 128kB Cache, UDMA(33)

And, as you've requested, here is the lspci output from my system, which
is working and in UDMA66.

00:00.1 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev
d0) (prog-if 80 [Master])
Subsystem: Silicon Integrated Systems [SiS]: Unknown device 5513
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 128 set
Interrupt: pin A routed to IRQ 0
Region 0: I/O ports at <ignored>
Region 1: I/O ports at <ignored>
Region 2: I/O ports at <ignored>
Region 3: I/O ports at <ignored>
Region 4: I/O ports at ffa0 [size=16]
00: 39 10 13 55 05 00 00 00 d0 80 01 01 00 80 80 00
10: f1 01 00 00 f5 03 00 00 71 01 00 00 75 03 00 00
20: a1 ff 00 00 00 00 00 00 00 00 00 00 39 10 13 55
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00
40: 01 93 00 00 01 b3 00 00 23 07 e6 11 00 02 00 02
50: 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Be sure that you have an 80-conductor cable, however. On my system,
there is a BIOS option for UDMA. This apparently overrides/takes the
place of proper cable detection. If I turn it on without an 80-pin
cable, Linux defaults to UDMA66 and I get drive major drive corruption.
When off, I can't use UDMA66.

I hope all this is helpful to you!
--
-Steven
Never ask a geek why, just nod your head and slowly back away.
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