[Bug 265340] O2Micro Integrated MMC/SD controller does not work

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 20 Jul 2022 12:24:54 UTC

            Bug ID: 265340
           Summary: O2Micro Integrated MMC/SD controller does not work
           Product: Base System
           Version: 12.3-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: peter@flytrace.com

I've updated my FreeBSD installation on DELL laptop, and my SD card reader does
not work anymore. Everything was OK on 12.2, but now if I boot with SD card
inserted - the computer does not boot with the following errors:

sdhci_pci0-slot0: Controller timeout

If I remove a card from the reader - it boots, and I get the errors in dmesg:

sdhci_pci0-slot0: Cannot issue a command (power=21 clock=50000000)mmcsd0: Error
indicated: 4 Failed

% pciconf -lv
sdhci_pci0@pci0:11:0:0:class=0x080501 card=0x04931028 chip=0x82211217 rev=0x05
    vendor     = 'O2 Micro, Inc.'
    device     = 'OZ600FJ0/OZ900FJ0/OZ600FJS SD/MMC Card Reader Controller'
    class      = base peripheral
    subclass   = SD host controller
none2@pci0:11:0:1:    class=0x018000 card=0x04931028 chip=0x82311217 rev=0x03
    vendor     = 'O2 Micro, Inc.'
    class      = mass storage

The reader still works in Windows 7 (double boot).

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