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Linux 2.6.12的内核,mips CPU, /dev/目录下mtd字符设备只能挂载7个的问题。
nor flash分区数:
# cat /proc/mtd
dev: size erasesize name
mtd0: 01800000 00020000 "rootfs"
mtd1: 00280000 00020000 "vmlinux"
mtd2: 00100000 00020000 "config1"
mtd3: 00100000 00020000 "config2"
mtd4: 00100000 00020000 "config3"
mtd5: 00100000 00020000 "config4"
mtd6: 00080000 00020000 "splash"
mtd7: 00000080 00020000 "mactype"
mtd8: 00040000 00020000 "feature"
# ls /dev/mtd* -al
crwxr-xr-x 1 nobody nobody 90, 0 Mar 2 2009 /dev/mtd0
crwxr-xr-x 1 nobody nobody 90, 2 Mar 2 2009 /dev/mtd1
crwxr-xr-x 1 nobody nobody 90, 4 Mar 2 2009 /dev/mtd2
crwxr-xr-x 1 nobody nobody 90, 6 Mar 2 2009 /dev/mtd3
crwxr-xr-x 1 nobody nobody 90, 8 Mar 2 2009 /dev/mtd4
crwxr-xr-x 1 nobody nobody 90, 10 Mar 2 2009 /dev/mtd5
crwxr-xr-x 1 nobody nobody 90, 12 Mar 2 2009 /dev/mtd6
brwxr-xr-x 1 nobody nobody 31, 0 Mar 2 2009 /dev/mtdblock0
brwxr-xr-x 1 nobody nobody 31, 1 Mar 2 2009 /dev/mtdblock1
brwxr-xr-x 1 nobody nobody 31, 2 Mar 2 2009 /dev/mtdblock2
brwxr-xr-x 1 nobody nobody 31, 3 Mar 2 2009 /dev/mtdblock3
brwxr-xr-x 1 nobody nobody 31, 4 Mar 2 2009 /dev/mtdblock4
brwxr-xr-x 1 nobody nobody 31, 5 Mar 2 2009 /dev/mtdblock5
brwxr-xr-x 1 nobody nobody 31, 6 Mar 2 2009 /dev/mtdblock6
crwxr-xr-x 1 nobody nobody 90, 1 Mar 2 2009 /dev/mtdr0
crwxr-xr-x 1 nobody nobody 90, 3 Mar 2 2009 /dev/mtdr1
crwxr-xr-x 1 nobody nobody 90, 5 Mar 2 2009 /dev/mtdr2
crwxr-xr-x 1 nobody nobody 90, 7 Mar 2 2009 /dev/mtdr3
crwxr-xr-x 1 nobody nobody 90, 9 Mar 2 2009 /dev/mtdr4
crwxr-xr-x 1 nobody nobody 90, 11 Mar 2 2009 /dev/mtdr5
crwxr-xr-x 1 nobody nobody 90, 13 Mar 2 2009 /dev/mtdr6
如何修改驱动?让后面的两个分区
mtd7: 00000080 00020000 "mactype"
mtd8: 00040000 00020000 "feature"
也在/dev/目录下出现设备名? |
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