[LinuxBIOS] Where to put datasheets in wiki?

Li-Ta Lo ollie at lanl.gov
Tue Aug 16 18:22:46 CEST 2005

On Mon, 2005-08-15 at 18:10 -0700, Jeff Carr wrote:
> On 08/15/2005 10:27 AM, Li-Ta Lo wrote:
> > I don't think you have M-system on our machine. As I said before, the
> > problem you have is that flash_rom can not enable flash write on you
> > chipset so it just can't detect any flash chip.
> Well, I ran flash_rom on a few random machines. Older, newer, etc.
> flash_rom found a standard jedec flash chip on one machine:
> probe_jedec: id1 0xbf, id2 0x60
> SST49LF004A/B found at physical address: 0xfff80000
> Part is SST49LF004A/B

I think it is the one.

> But on all others, only mine did the probe_md2802 do anything that was
> not just 0xff or 0x11. So I was just going on the assumption (perhaps
> bad assumption) that it was finding *something*. In any case, there is
> lots of work to do to increase what flash_rom can detect.
> Perhaps there are other tools that should be tried. I start to wonder
> that I shouldn't be using some other kernel device drivers instead
> (mtd,jffs)? The PC_CHIPS_M810LR port guide does this so perhaps this is
> the recommended route going foward?

I don't think other software will help for your case. Nobody know how to
enable flash write on your particular SiS chipset. Other software will
fail as well.

> Thanks for your feedback though,
> Jeff
> So this is just junk output? It would be nice if the wiki had "good"
> output to compare things with.

I don't use DoC for a long time I have no idea what it is talking now.

> probe_md2802: IPL_0x0000: 0x6d
> probe_md2802: IPL_0x0001: 0x00
> probe_md2802: IPL_0x0002: 0x01
> probe_md2802: IPL_0x0003: 0x83
> probe_md2802:
> probe_md2802: ChipID: 0xed
> probe_md2802: DOCStatus: 0xba
> probe_md2802: FloorSelect: 0x00
> probe_md2802: CDSNControl: 0xb0
> probe_md2802: CDSNDeviceSelect: 0x70
> probe_md2802: ECCConfiguration: 0xee
> probe_md2802: CDSNSlowIO: 0xed
> probe_md2802: ECCSyndrome0: 0xee
> probe_md2802: ECCSyndrome1: 0xe6
> probe_md2802: ECCSyndrome2: 0xed
> probe_md2802: ECCSyndrome3: 0xb0
> probe_md2802: ECCSyndrome4: 0xff
> probe_md2802: ECCSyndrome5: 0xee
> probe_md2802: AliasResolution: 0xf1
> probe_md2802: ConfigurationInput: 0xe6
> probe_md2802: ReadPipelineInitialization: 0xed
> probe_md2802: LastDataRead: 0xc0
Li-Ta Lo <ollie at lanl.gov>
Los Alamos National Lab

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