FYI: head -r338341 on Pine64+ 2GB for a microsdhc boot media: mmc0: Failed to set VCCQ for card at relative address 43690

[Emmanuel Vadot]

On Wed, 29 Aug 2018 14:04:21 +0200
Emmanuel Vadot <manu at bidouilliste.com> wrote:

> On Tue, 28 Aug 2018 23:26:36 -0700
> Mark Millard via freebsd-arm <freebsd-arm at freebsd.org> wrote:
> 
> > aw_mmc0: <Allwinner Integrated MMC/SD controller> mem 0x1c0f000-0x1c0ffff irq 8 on simplebus0
> > mmc0: <MMC/SD bus> on aw_mmc0
> > . . .
> > mmcsd0: 32GB <SDHC SE32G 8.0 SN <REPLACED> MFG 07/2017 by 3 SD> at mmc0 50.0MHz/4bit/32768-block
> > mmc0: Failed to set VCCQ for card at relative address 43690
> > 
> > It seem to tolerate that it did-not/could-not set the value.
> > 
> > 
> > 
> > It appears that sysutils/mmc-utils (still) just
> > gets AW_MMC_INT_RESP_TIMEOUT / ioctl: Operation timed out
> > for: mmc extcsd read /dev/mmcsd0 (once it is not mounted).
> > 
> > # mmc extcsd read /dev/mmcsd0 | more
> > open: Operation not permitted
> > 
> > # df -m
> > Filesystem               1M-blocks  Used  Avail Capacity  Mounted on
> > /dev/ufs/PINE642GBrootfs     29400 16901  10147    62%    /
> > devfs                            0     0      0   100%    /dev
> > /dev/label/PINE642GBboot        63     0     63     0%    /boot/efi
> > 
> > Booting with / on a USB device instead and dismounting /boot/efi
> > (on mmcsd0) gets:
> > 
> > # mmc extcsd read /dev/mmcsd0 | more
> > AW_MMC_INT_RESP_TIMEOUT 
> > ioctl: Operation timed out
> > Could not read EXT_CSD from /dev/mmcsd0
> 
>  Why are you attempting to read a MMC v4.0+ register from an SDcard ?

 Maybe it was even before that but it doesn't matter, my question is
still valid.

> (FYI this command works perfectly when executing on the eMMC on my
> pine64-lts)
> 
> > 
> > ===
> > Mark Millard
> > marklmi at yahoo.com
> > ( dsl-only.net went
> > away in early 2018-Mar)
> > 
> > _______________________________________________
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> 
> 
> -- 
> Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>
> _______________________________________________
> freebsd-arm at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-arm
> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"


-- 
Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>