--- MMC/SD/SDIO card support
[*] MMC debugging
[ ] Allow unsafe resume (DANGEROUS)
*** MMC/SD/SDIO Card Drivers ***
<*> MMC block device driver
[*] Use bounce buffer for simple hosts
<*> SDIO UART/GPS class support
<*> MMC host test driver
*** MMC/SD/SDIO Host Controller Drivers ***
<*> Secure Digital Host Controller Interface support
<*> Samsung S3C SD/MMC Card Interface support
编译内核 make zImage
2.2 在ARM-linux下的测试.
在一个已经正常启动的ARM-LINUX下,插入SD卡.出现如下提示,表示SD卡已经安装上
[root: /]# s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz).
mmc0: new SD card at address 0002
mmcblk0: mmc0:0002 00000 1.90 GiB
mmcblk0: p1 p2
FAT: utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!