AT91sam9263EK使用JFFS2根文件系统
张驿风
2007-6-1
在AT91sam9263EK成功配置了NFS根文件系统后，后来又想把JFFS2也移植到AT91sam9263EK上吧，说干就干。
1． 呵呵，其实很简单我使用的linux-2.6.20内核里已经有jffs2 文件系统支持，选上jffs2即可
File systems --->
Miscellaneous filesystems --->
<*> Journalling Flash File System v2 (JFFS2) support
(0) JFFS2 debugging verbosity (0 = quiet, 2 = noisy)
[*] JFFS2 write-buffering support
[*] JFFS2 summary support (EXPERIMENTAL)
[*] JFFS2 XATTR support (EXPERIMENTAL)
[*] JFFS2 POSIX Access Control Lists
[*] JFFS2 Security Labels
[*] Advanced compression options for JFFS2
[*] JFFS2 ZLIB compression support
[*] JFFS2 RTIME compression support
[ ] JFFS2 RUBIN compression support
JFFS2 default compression mode (priority)
选上MTD支持
Device Drivers --->
Memory Technology Devices (MTD) --->
<*> Memory Technology Device (MTD) support
[ ] Debugging
<*> MTD concatenating support
[*] MTD partitioning support
< > RedBoot partition table parsing
[*] Command line partition table parsing
<*> ARM Firmware Suite partition parsing
--- User Modules And Translation Layers
<*> Direct char device access to MTD devices
<*> Caching block device access to MTD devices
<*> FTL (Flash Translation Layer) support
<*> NFTL (NAND Flash Translation Layer) support
[ ] Write support for NFTL
2． 从ttp://www.linux-mtd.infradead.org/上下载
mtd-utils-1.0.0.tar.gz 到宿主机。
解压
tar xvzf mtd-utils-1.0.0.tar.gz
进入mtd-utils-1.0.0目录修改Makefile进行编译。
编译出mkfs.jffs2,nandwrite等工具
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