mount SD card problem

[Altera_Forum]

Hi  

 I want to mount SD card to /mnt   I follow the altera wiki http://www.alterawiki.com/wiki/mmcsd   But I can't mount successfully   When I boot kernel the information is    ********************************************** uClinux/Nios II Altera Nios II support (C) 2004 Microtronix Datacom Ltd. Built 1 zonelists. Total pages: 2032 Kernel command line: PID hash table entries: 32 (order: 5, 128 bytes) spi_read read data time out spi_read read data time out spi_read read data time out spi_read read data time out spi_read read data time out Dentry cache hash table entries: 1024 (order: 0, 4096 bytes) Inode-cache hash table entries: 1024 (order: 0, 4096 bytes) Memory available: 5692k/8192k RAM, 0k/0k ROM (1695k kernel code, 715k data) Mount-cache hash table entries: 512 NET: Registered protocol family 16 NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 1024 (order: 0, 4096 bytes) TCP bind hash table entries: 1024 (order: 0, 4096 bytes) TCP: Hash tables configured (established 1024 bind 1024) TCP reno registered SPI: Nios SPI bus device version 0.1 io scheduler noop registered io scheduler deadline registered (default) Serial: JTAG UART driver $Revision: 1.3 $ ttyJ0 at MMIO 0x838010b0 (irq = 0) is a jtag_uart YOU have init Device 254 JELLO EXMAPLE INIT TCP cubic registered NET: Registered protocol family 1 NET: Registered protocol family 17 Freeing unused kernel memory: 588k freed (0x29b8000 - 0x2a4a000) Shell invoked to run file: /etc/rc Command: hostname uClinux Command: mount -t proc proc /proc Command: mount -t sysfs sysfs /sys Command: mount -t usbfs none /proc/bus/usb mount: Mounting none on /proc/bus/usb failed: No such file or directory Command: mkdir /var/tmp Command: mkdir /var/log Command: mkdir /var/run Command: mkdir /var/lock Command: mkdir /var/empty Command: ifconfig lo 127.0.0.1 Command: route add -net 127.0.0.0 netmask 255.0.0.0 lo Command: cat /etc/motd ***************************************************   And I can't find the mmcblk0 at /dev   How counld I solve it??   Please help me Thank you very much