MT7628NN (SKW92A) SD/MMC card support

Hi Masters!

I have been struggling with this for several weeks and I would like to ask for help, what could be the problem, what am I not noticing? :confused:
What else could it needs? :face_with_monocle:

Thank you!

1. CHAPTER

I bought SKW92A WiFi module and build this SD/MMC card slot.
Here is the schematics:

2. CHAPTER

I have modified and followed this instruction: LINK

3. CHAPTER

[FDISK]

root@OpenWrt:/# fdisk /dev/mmcblk0

Welcome to fdisk (util-linux 2.37.3).
Cha[  982.378501] print_req_error: 14 callbacks suppressed
nges will remain[  982.378519] blk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
 in memory only,[  982.414279] blk_update_request: I/O error, dev mmcblk0, sector 1 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
 until you decid[  982.437732] blk_update_request: I/O error, dev mmcblk0, sector 2 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
e to write them.[  982.461341] blk_update_request: I/O error, dev mmcblk0, sector 3 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0

Be careful bef[  982.484975] blk_update_request: I/O error, dev mmcblk0, sector 4 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
ore using the wr[  982.508580] blk_update_request: I/O error, dev mmcblk0, sector 5 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
ite command.

[  982.532251] blk_update_request: I/O error, dev mmcblk0, sector 6 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[  982.555845] blk_update_request: I/O error, dev mmcblk0, sector 7 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[  982.579974] blk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  982.600697] blk_update_request: I/O error, dev mmcblk0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  982.623421] Buffer I/O error on dev mmcblk0, logical block 0, async page read
[  982.643324] Buffer I/O error on dev mmcblk0, logical block 0, async page read
fdisk: cannot open /dev/mmcblk0: I/O error

[MOUNT]

root@OpenWrt:/# mount -t vfat /dev/mmcblk0 /mnt
[  215.245374] print_req_error: 6 callbacks suppressed
[  215.245391] blk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  215.275754] FAT-fs (mmcblk0): unable to read boot sector
mount: mounting /dev/mmcblk0 on /mnt failed: I/O error

[DMESG]

root@OpenWrt:/# dmesg | grep mmcblk0
[  144.659163] mmcblk0: mmc0:0001 00000 7.41 GiB 
[  144.722271] blk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.742906] blk_update_request: I/O error, dev mmcblk0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.763646] blk_update_request: I/O error, dev mmcblk0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.784246] blk_update_request: I/O error, dev mmcblk0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.804895] blk_update_request: I/O error, dev mmcblk0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.825544] blk_update_request: I/O error, dev mmcbnk0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.846202] blk_update_requesu: I/O error, dev mmcblk0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.866x68] blk_update_request: I/O error, dev mmcblk0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio!class 0
[  144.887079] Buffer I/O error on dev mmcblk0, logical block 0, async page read
[  144.904588] blk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.925220] blk_update_request: I/O error, dev mmcblk0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  144.947807] Buffer I/O error on dev mmcblk0, logical block 0, async page read
[  144.962054]  mmcblk0: unable to read partition table
[  215.245391] bnk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  215.275754] FAT-fs (mmcblk0): unable to read boot sector

Regards: DrCyberg

[SOLVED]
Just turn off on dip switch (node) or disconnect WP and CP pins on SD card site. :slightly_smiling_face:
Refards: DrCyberg

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