下面是我配置的步骤:1.在device driver->spi support,使能其中的 SPI controller driver for
ADI Blackfin5xx。使能spi驱动,
2.然后在mmc/sd support下面选择MMC block device driver,同时下面设置如下
--- MMC/SD Host Controller Drivers
[*] MMC/SD for SPI support (EXPERIMENTAL)
SPI driver (Blackfin SPI bus directly) ---> 这里点击进入选择 (X) Blackfin SPI bus directly
(4) SPI chip select signal for MMC/SD card
(20000000) SPI clock limit for MMC/SD transfers
[*] MMC/SD Card detect support (EXPERIMENTAL)
(55) IRQ# for card detection
3,支持文件系统。选择file->dos/fat/nt filesystems设置如下
[*] MSDOS fs support
[*] VFAT (Windows-95) fs support
(437) Default codepage for FAT
(iso8859-1) Default iocharset for FAT
[ ] NTFS file system support
4.接下来增加对字符集的支持,选择file system->Native language support
选择437
编译内核后,通过tftp传到内存1000000运行,
进入root后,进入dev,发现没有spi sd卡的驱动,同时mnt/mmc目录也不存在,无法挂载。
请大家看看我的配置是否有问题,,