Compute Module • cm5 io board sd not load

### issue desc

i am using cm5 IO board sd slot, os can't found another sd card
```
dv@rsap5:~ $ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
mmcblk0 179:0 0 29.1G 0 disk
mmcblk0p1 179:1 0 512M 0 part /boot/firmware
mmcblk0p2 179:2 0 28.6G 0 part /
mmcblk0boot0 179:32 0 4M 1 disk
mmcblk0boot1 179:64 0 4M 1 disk

```

i have tested newst kernal
also tested pulls/6788 [issue 6678](https://github.com/raspberrypi/linux/issues/6778)


### my configs:

/boot/firmware/config.txt

```txt
dtoverlay=sdio-pi5
...

```

### dmesg

```
dv@rsap5:~ $ dmesg |grep -iE "mmc|sdio"
[ 0.790304] rp1-sdio-clk 1f000b0004.sdio_clk0: loaded sdio_clk0
[ 0.811025] mmc0: CQHCI version 5.10
[ 0.811244] mmc1: CQHCI version 5.10
[ 0.836716] mmc0: SDHCI controller on 1000fff000.mmc [1000fff000.mmc] using ADMA 64-bit
[ 0.895971] mmc0: Command Queue Engine enabled, 16 tags
[ 0.895975] mmc0: new HS400 Enhanced strobe MMC card at address 0001
[ 0.896085] mmcblk0: mmc0:0001 BJTD4R 29.1 GiB
[ 0.896526] mmcblk0: p1 p2
[ 0.896583] mmcblk0: mmc0:0001 BJTD4R 29.1 GiB
[ 0.896608] mmcblk0boot0: mmc0:0001 BJTD4R 4.00 MiB
[ 0.896776] mmcblk0boot1: mmc0:0001 BJTD4R 4.00 MiB
[ 0.896934] mmcblk0rpmb: mmc0:0001 BJTD4R 4.00 MiB, chardev (243:0)
[ 0.996120] mmc1: SDHCI controller on 1001100000.mmc [1001100000.mmc] using ADMA 64-bit
[ 1.030977] mmc1: new ultra high speed DDR50 SDIO card at address 0001
[ 1.259018] EXT4-fs (mmcblk0p2): mounted filesystem a36be96c-66be-4487-a7a6-0481bca99d89 ro with ordered data mode. Quota mode: none.
[ 1.626419] EXT4-fs (mmcblk0p2): re-mounted a36be96c-66be-4487-a7a6-0481bca99d89 r/w. Quota mode: none.
[ 1.982329] mmc2: SDHCI controller on 1f00180000.mmc [1f00180000.mmc] using ADMA 64-bit
[ 2.081680] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 2.082396] brcmfmac mmc11: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,5-compute-module.bin failed with error -2

```

### search brcm/brcmfmac43455-sdio , not found

```
dv@rsap5:~ $ sudo find / |grep brcmfmac43455
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.bin
/usr/lib/firmware/brcm/brcmfmac43455-sdio.bin
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,pinebook-pro.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,soquartz-cm4io.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,3-model-a-plus.clm_blob
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,3-model-b-plus.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.bin
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,3-model-b-plus.clm_blob
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.clm_blob
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,3-model-a-plus.bin
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,quartz64-a.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,quartz64-b.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,5-model-b.bin
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,5-model-b.clm_blob
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,3-model-a-plus.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.clm_blob
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,pinenote-v1.2.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,5-model-b.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,pinephone-pro.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,rockpro64-v2.0.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,soquartz-blade.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,soquartz-model-a.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,3-model-b-plus.bin
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,rockpro64-v2.1.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.clm_blob
/usr/lib/firmware/brcm/brcmfmac43455-sdio.AW-CM256SM.txt
/usr/lib/firmware/brcm/brcmfmac43455-sdio.pine64,pinenote-v1.1.txt
find: run/user/1000/doc Permission denied
find: run/user/1000/gvfs Permission denied
dv@rsap5:~ $

```

Statistics: Posted by nocanstillbb — Mon Jun 30, 2025 6:43 am

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