How to mount the second partition on SD card with buildroot Linux

[T-K-233]

Background Work

• Yes, I searched the mailing list
• Yes, I searched prior issues
• Yes, I searched the documentation

Chipyard Version and Hash

Release: 1.10.0
Hash: 32f79a8

OS Setup

doesn't matter?

Other Setup

Following this documentation.
The Linux can boot up, but it cannot discover the second partition.

Current Behavior

ls /dev/ does not show any sd* or mmcblk* entry

# df
Filesystem           1K-blocks      Used Available Use% Mounted on
none                   1010080         0   1010080   0% /dev
tmpfs                  1016108         4   1016104   0% /dev/shm
tmpfs                  1016108         0   1016108   0% /tmp
tmpfs                  1016108        16   1016092   0% /run

# mount
rootfs on / type rootfs (rw,size=1010080k,nr_inodes=252520)
none on /dev type devtmpfs (rw,relatime,size=1010080k,nr_inodes=252520,mode=755)
proc on /proc type proc (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620,ptmxmode=666)
tmpfs on /dev/shm type tmpfs (rw,relatime,mode=777)
tmpfs on /tmp type tmpfs (rw,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
sysfs on /sys type sysfs (rw,relatime)

Expected Behavior

Be able to read contents in the second partition.

Other Information

No response

[Chenning-Tao]

I have the same problem