Re: [PATCH 0/2] meta-yocto-bsp: enable the jffs2 for mpc8315e-rdb board

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Fri, 2014-06-13 at 12:39 +0800, Kevin Hao wrote:
> Hi,
> 
> This tries to enable the jffs2 support for the mpc8315e-rdb board. I have
> tested the jffs2 with the following steps and it worked perfectly.
> 
> 1. root@mpc8315e-rdb:~# cat /proc/mtd
> dev:    size   erasesize  name
> mtd0: 00800000 00010000 "fe000000.flash"
> mtd1: 00100000 00004000 "u-boot"
> mtd2: 00300000 00004000 "kernel"
> mtd3: 01c00000 00004000 "fs"
> 
> 2. root@mpc8315e-rdb:~# flash_eraseall  /dev/mtd3
> flash_eraseall has been replaced by `flash_erase <mtddev> 0 0`; please use it
> Erasing 16 Kibyte @ 1bec000 -- 99 % complete flash_erase: Skipping bad block at 01bf0000
> flash_erase: Skipping bad block at 01bf4000
> flash_erase: Skipping bad block at 01bf8000
> flash_erase: Skipping bad block at 01bfc000
> Erasing 16 Kibyte @ 1bfc000 -- 100 % complete 
> 
> 3. root@mpc8315e-rdb:~# flashcp core-image-minimal-mpc8315e-rdb.jffs2 /dev/mtd3
> 
> 4. Then boot with a jffs2 rootfs
> 
> 5. root@mpc8315e-rdb:~# cat /proc/cmdline
> root=/dev/mtdblock3 rootfstype=jffs2 console=ttyS0,115200
> root@mpc8315e-rdb:~# 
> root@mpc8315e-rdb:~# mount
> rootfs on / type rootfs (rw)
> /dev/root on / type jffs2 (rw,relatime)
> devtmpfs on /dev type devtmpfs (rw,relatime,size=59136k,nr_inodes=14784,mode=755)
> proc on /proc type proc (rw,relatime)
> sysfs on /sys type sysfs (rw,relatime)
> debugfs on /sys/kernel/debug type debugfs (rw,relatime)
> tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
> tmpfs on /var/volatile type tmpfs (rw,relatime)
> devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620)

Can you please put this information into the README.hardware in
meta-yocto-bsp so that others can find it, its useful to know how to use
jffs2 on the default...

Cheers,

Richard