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IMX28 using ubifs(ubi Filesystem)

Question asked by Sung-Uk Jang on Jun 3, 2014
Latest reply on Jun 24, 2014 by GraceH


i did testing for "mem mode" on NAND Flash imx28 EVM.

normal case, i'm successed mem mode test. But.after mount Ubifs not getting action mem mode. 

 

This is system log.

 

rootfs on / type rootfs (rw)

/dev/root on / type ext2 (rw,relatime)

proc on /proc type proc (rw,relatime)

sys on /sys type sysfs (rw,relatime)

tmpfs on /dev type tmpfs (rw,relatime,mode=755)

devpts on /dev/pts type devpts (rw,relatime,mode=600)

tmpfs on /dev/shm type tmpfs (rw,relatime,mode=777)

ubi0_0 on /system/var type ubifs (rw,relatime)

root@freescale /$ echo mem > /sys/power/state.

[  443.290000] Freezing remaining freezable tasks
... (elapsed 0.01 seconds) done.

[  443.310000] Suspending console(s) (use
no_console_suspend to debug)
<mem mode entry>

 

 

<PSWITCH  wake up>

HTLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLFLC

PowerPrep start initialize power...

Battery Voltage = 4.20V

boot from battery. 5v input not detected

LLLCMay 27 201417:45:47

FRAC 0x92925552

memory type is DDR2

            
Wait for ddr ready 1power 0x00820710

Frac 0x92925552

start change cpu freq

hbus 0x00000003

cpu 0x00010001

LLLLLLLFLC   <- holding,  wating

 

 

please help to using Unifs for mem mode.

 

Thanks.

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