[Bug 281723] eMMC slot is broken on Quartz64 Model A (RK3566)

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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 26 Sep 2024 09:53:55 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281723

            Bug ID: 281723
           Summary: eMMC slot is broken on Quartz64 Model A (RK3566)
           Product: Base System
           Version: CURRENT
          Hardware: arm64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: arm
          Assignee: freebsd-arm@FreeBSD.org
          Reporter: peterj@FreeBSD.org

Running g6e414739fc95 with a 32GB eMMC:

mmc1: Probing bus
sdhci_fdt0-slot0: Divider 267 for freq 375000 (base 200000000)
sdhci_fdt0-slot0: Divider 267 for freq 375000 (base 200000000)
mmc1: SD probe: failed
mmc1: MMC probe: OK (OCR: 0x001f8000)
sdhci_fdt0-slot0: Divider 267 for freq 375000 (base 200000000)
sdhci_fdt0-slot0: Divider 267 for freq 375000 (base 200000000)
mmc1: Current OCR: 0x001f8000
mmc1: Probing cards
mmc1: New card detected (CID ffffffffffffffffffffffffffffff00)
mmc1: CMD3 failed, RESULT: 1
mmc1: Error setting RCA 1
sdhci_fdt0-slot0: Divider 267 for freq 375000 (base 200000000)
mmc1: setting transfer rate to 200.000MHz (HS400 with enhanced strobe timing)

The eMMC works through EFI booting but the kernel fails to attach to it.

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