Re: Compact Flash on 8349mITX

[Jeff Borlin <jborlin@aclaratech.com>]

Anton Vorontsov-2 wrote:
> 
> This happens just before the PATA information is printed. I'm not
> libata expert; and from the brief look I don't see where libata
> clears any pending "unexpected" irqs. Just a guesswork,
> could you try this patch?
> 
This patch did not appear to change anything.  


Anton Vorontsov-2 wrote:
> 
> Can you check if the CF will work w/o IRQs? To try it:
> 
Your directions did result in progress:
[...]
scsi4 : pata_platform
ata5: PATA max PIO6 no IRQ, using PIO polling mmio cmd 0xf0000000 ctl
0xf000020c
ata5.00: CFA: SanDisk SDCFJ-512, HDX 3.13, max MWDMA2
ata5.00: 1000944 sectors, multi 0: LBA
ata5.00: configured for PIO
scsi 4:0:0:0: Direct-Access     ATA      SanDisk SDCFJ-51 HDX  PQ: 0 ANSI: 5
sd 4:0:0:0: [sda] 1000944 512-byte hardware sectors (512 MB)
sd 4:0:0:0: [sda] Write Protect is off
sd 4:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't
support DPO or FUA
sd 4:0:0:0: [sda] 1000944 512-byte hardware sectors (512 MB)
sd 4:0:0:0: [sda] Write Protect is off
sd 4:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't
support DPO or FUA
 sda: sda1 sda2
sd 4:0:0:0: [sda] Attached SCSI removable disk
sd 4:0:0:0: Attached scsi generic sg0 type 0
physmap platform flash device: 01000000 at fe000000
[...]
/ # dd if=/dev/sda of=/dev/null count=20000
20000+0 records in
20000+0 records out
/ # mount -t vfat /dev/sda /mnt/cf
mount: Mounting /dev/sda on /mnt/cf failed: Invalid argument
/ # mount -t vfat /dev/sda2 /mnt/cf
mount: Mounting /dev/sda2 on /mnt/cf failed: Invalid argument

I still need to figure out what I may be doing wrong here, but wanted to
post the results I have so far in case they are useful.  
-- 
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