[Re: sis5513.c patch]

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On Wed, 08 Jun 2005 09:16:44 +0000, Bartlomiej Zolnierkiewicz wrote:


On 6/8/05, Bartlomiej Zolnierkiewicz <[email protected]> wrote:

On 6/8/05, Andrew Hutchings <[email protected]> wrote:
> Bartlomiej Zolnierkiewicz wrote:
> > On 6/8/05, Andrew Hutchings <[email protected]> wrote:
> >
> >>I'm not sure if a similar patch has been submitted or not, but here is a
> >>patch to get DMA working on ASUS K8S-MX with a SiS 760GX/SiS 965L
> >>chipset combo.
> >
> >
> > This patch is incorrect, it adds PCI ID of SiS IDE controller (this ID
> > is common for almost all SiS IDE controllers and is already present in
> > sis5513_pci_tbl[]) to the table of SiS Host PCI IDs.  As a result driver
> > will try to use ATA_133 on all _unknown_ IDE controllers.  You need
> > to add PCI ID of the Host chipset (lspci should reveal it) instead.
Second look into sis5513.c and another problem turns out - patch breaks support for IDE controllers integrated into 961 and 961B South Bridges 
(ATA_133 is used instead of ATA_100 and ATA133a).

For unknown Host Bridges driver checks for presence of 961/961B/962/963
South Bridges by checking true device ID (please see sis5513.c for details) and assigns 'chipset_family' accordingly (ATA_100/ATA_133a or ATA_133).
You have 965L South Bridge so probably it has newer true device ID and may also require different programming sequence. 


Could you please send full lspci -vvv output?


and lspci -xxx


I've been looking for pata support for the SIS180. If you can handle that
or tell me how i might get it, I'd be interested. Here's the revevant
output.
00:0c.0 RAID bus controller: Silicon Integrated Systems [SiS] RAID bus controller 180 SATA/PATA [SiS] (prog-if 85) Subsystem: Silicon Integrated Systems [SiS] RAID bus controller 180 SATA/PATA [SiS] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- 
        Latency: 128
        Interrupt: pin A routed to IRQ 19
        Region 0: I/O ports at dc00 [size=8]
        Region 1: I/O ports at e000 [size=4]
        Region 2: I/O ports at e400 [size=8]
        Region 3: I/O ports at e800 [size=4]
        Region 4: I/O ports at ec00 [size=16]
        Region 5: I/O ports at <unassigned>
        Expansion ROM at <unassigned> [disabled] [size=64K]
00:0c.0 RAID bus controller: Silicon Integrated Systems [SiS] RAID bus controller 180 SATA/PATA [SiS] 
00: 39 10 80 01 07 04 20 02 00 85 04 01 00 80 00 00
10: 01 dc 00 00 01 e0 00 00 01 e4 00 00 01 e8 00 00
20: 01 ec 00 00 01 00 00 00 00 00 00 00 39 10 80 01
30: 00 00 00 00 00 00 00 00 00 00 00 00 0b 01 00 00
40: 56 23 06 04 56 23 06 04 00 00 00 00 00 00 00 00
50: 82 20 82 00 2a 96 00 03 00 00 00 00 00 00 00 00
60: ff aa 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: bd 33 72 40 bd 33 72 40 00 00 00 00 00 00 00 00
90: 08 00 00 03 4f 14 00 00 cc 04 0c 10 c0 05 c0 05
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 01 00 18 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 01 00 18 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


I guess sata_sis is not going to support the pata drives. I've tried
the ones from sis too. This is a real SIS180 on a Jetway S755MAX. Any
chance in hell of getting a driver for the pata ports on this thing? I
tried patching and renaming sis5513.c and got it to compile into a kernel
as a module (s180ata) after putting it in kconfig, but It didn't work. I'm
obviously drowning not being a C programmer. I think it conflicted with
the real sis5513 for one thing.:-)

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