Other Parts Discussed in Thread: AM3354
linux操作系统，am3354的芯片。
我的系统用SD卡，启动，启动过程中发现了emmc设备，但是在设备名下面找不到mmcblk1的设备
mmc0是SD卡设备，mmc1是emmc设备，开机log发现了emmc设备
[ 1.712316] Waiting for root device /dev/mmcblk0p2...
[ 1.788103] mmc0: host does not support reading read-only switch. assuming write-enable.
[ 1.798963] mmc0: new high speed SDHC card at address aaaa
[ 1.805207] mmcblk0: mmc0:aaaa SS08G 7.40 GiB
[ 1.814434] mmcblk0: p1 p2
[ 1.833521] kjournald starting. Commit interval 5 seconds
[ 1.839329] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[ 1.846562] VFS: Mounted root (ext3 filesystem) readonly on device 179:2.
[ 1.853974] Freeing init memory: 236K
INIT: version 2.88 booting
[ 2.028663] mmc1: new high speed MMC card at address 0001
[ 2.035532] mmcblk1: mmc1:0001 DS2008 7.28 GiB
[ 2.040624] mmcblk1boot0: mmc1:0001 DS2008 partition 1 4.00 MiB
[ 2.047285] mmcblk1boot1: mmc1:0001 DS2008 partition 2 4.00 MiB
但是在/dev/的目录下找不到相应的设备 mmcblk0是SD设备，没找到mmcblk1设备
root@am335x-evm:~# ls /dev
mmcblk0 tty0 tty41 urandom
mmcblk0p1 tty1 tty42 usbdev1.1
mmcblk0p2 tty10 tty43 usbdev1.2
mtab tty11 tty44 vcs
