mounting SD Card on uClinux

again:

At first, after command nios2-download and nios2-terminal,just display "

mmc_spi spi2.0: ASSUMING SPI bus stays unshared!

mmc_spi spi2.0: ASSUMING 3.2-3.4 V slot power

mmc_spi spi2.0: SD/MMC host mmc0, no DMA, no WP, no poweroff

...

" no other message as

"mmc0: host does not support reading read-only switch. assuming write-enable.

mmc0: new SDHC card on SPI

mmcblk0: mmc0:0000 SD04G 3.69 GiB

mmcblk0:Command: mount -t proc proc /proc -o noexec,nosuid,nodev

"

follow your suggestion ,I have donwnload zImage , mmc_block.o and mmc_spi.o,and modporbe it ,but display errors like

:modprobe : chdir <2.6.30>no such file or directory.