I was working with an SD card on the Tiva C 123GXL board, but I am unable
to mount the device. Any help would be appreciated.

mmcsd_sendcmd: ERROR: Failed: i=9 response=ff
tiva_ssiselect: devid: 65536 CS: de-assert
mmcsd_mediainitialize: ERROR: Send CMD0 failed: R1=ffffffff
tiva_ssiselect: devid: 65536 CS: de-assert
mmcsd_open: Failed to initialize card
ssi_transfer: txbuffer: 0x200042d4 rxbuffer: 0x200042dc nwords: 1
ssi_txuint8: TX: 0x200042d4->ff
ssi_rxuint8: RX: 0x200042dc<-ff
nx_mount: ERROR: Bind method failed: -19
nsh: mount: mount failed: 19

https://github.com/apache/nuttx/issues/12500

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