hi,
we use the imx-yocto-L4.14.98_2.3.1, cpu is imx8qxp. our emmc have total 32G size. the emmc type is Samsung KLMBG4GEUF-B04P053 32GB eMMC5.1. mmc info :
mmc info
Device: FSL_SDHC
Manufacturer ID: 15
OEM: 100
Name: BGUF4
Bus Speed: 200000000
Mode : HS400 (200MHz)
Rd Block Len: 512
MMC version 5.1
High Capacity: Yes
Capacity: 29.1 GiB
Bus Width: 8-bit DDR
Erase Group Size: 512 KiB
HC WP Group Size: 8 MiB
User Capacity: 29.1 GiB WRREL
Boot Capacity: 31.9 MiB ENH
RPMB Capacity: 4 MiB ENH
currently the partitions is like below:
cat /proc/partitions
major minor #blocks name
179 0 30539776 mmcblk0
179 1 65536 mmcblk0p1
179 2 2433024 mmcblk0p2
179 96 4096 mmcblk0rpmb
179 64 32640 mmcblk0boot1
179 32 32640 mmcblk0boot0
there are just p1 and p2 two partitions in user area, There is still a lot of unused space.
how to add another partition in uboot? how to mount this partition while system startup?