Re: [PATCH v2 RESEND 0/3] Watchdog: OMAP: bootstatus fix for omap3 and changes for the current watchdog framework

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The same case works well on am335xevm but with a new patch in
mach-omap2/prcm.c

I'll send it later.

root@ti-omap3:~# uname -a
Linux ti-omap3 3.4.3-00635-g82d1d26-dirty #32 Wed Jul 11 16:02:12 CST
2012 armv7l GNU/Linux
root@ti-omap3:~# dmesg|grep WDT
[ 1.921173] omap_wdt: OMAP WDTimer Rev 0x01: Initial timeout 0sec
status= 0x1
root@ti-omap3:~# ./a.out -i 20; for i in `seq 1 20`; do echo $i ; sleep
1;done
Set watchdog interval to 20
Current watchdog interval is 20
Last boot is caused by : Watchdog
Use:
<w> to kick through writing over device file
<i> to kick through IOCTL
<x> to exit the program
x

1
2
[snip]
U-Boot SPL 2011.09 (Feb 09 2012 - 15:38:59)
Texas Instruments Revision detection unimplemented


U-Boot 2011.09 (Feb 09 2012 - 15:11:31)

I2C: ready
DRAM: 256 MiB
WARNING: Caches not enabled
Found a daughter card connected
NAND: HW ECC Hamming Code selected
256 MiB
MMC: OMAP SD/MMC: 0
Net: cpsw
Hit any key to stop autoboot: 0
U-Boot#

Regards,
Zumeng

于 2012年07月10日 12:17, Zumeng Chen 写道:
> 于 2012年07月09日 15:35, Zumeng Chen 写道:
>> Hello,
>>
>> The following patches based on the 3.5-rc6 from Wim, which
>> focus on:
>>
>> 1 ) bootstatus fix for omap3,
>>
>> 2 ) omap-wdt framework update cater for the current framework
>>     as Shubhrajyoti comments mentioned.
> I compiled a test case from the following website,
> http://www.lpclinux.com/Blogs/Testing_LPC313x_Linux_Watchdog_Driver
>
> It works well.
>
> root@ti-omap3:/tmp# ./a.out -h
> Usage: ./a.out [options]
> -h --help Display this usage information.
> -d --dev <device_file> Use <device_file> as watchdog device file.
> The default device file is '/dev/watchdog'
> -i --interval <interval> Change the watchdog interval time
> root@ti-omap3:/tmp# ./a.out -i 40;
> Set watchdog interval to 40
> Current watchdog interval is 40
> Last boot is caused by : Watchdog
> Use:
> <w> to kick through writing over device file
> <i> to kick through IOCTL
> <x> to exit the program
> x
> Goodbye !
> watchdog: Omap Watchdog: nowayout prevents watchdog to be stopped!
> watchdog: Omap Watchdog: watchdog did not stop!
> root@ti-omap3:/tmp# for i in `seq 1 30`; do echo $i; sleep 1;done
> 1
> 2
>
> [snip]
>
> I built NOWAYOUT in driver, so it doesn't stop, still going until the
> following
> information:
>
> Texas Instruments X-Loader 1.42
> Starting OS Bootloader...
> No OOB scheme defined for oobsize 0
> OneNAND: 0 kB
> 256 MiB
>
> Regards,
> Zumeng
>> Regards,
>>
>> Zumeng Chen (3):
>>   Watchdog: Omap: Changes for the new watchdog framework
>>   Watchdog: Omap: select watchdog core for framework change
>>   Watchdog: Omap: get the bootstatus for OMAP2Plus
>>
>>  arch/arm/mach-omap2/prcm.c  |    5 +-
>>  drivers/watchdog/Kconfig    |    1 +
>>  drivers/watchdog/omap_wdt.c |  342 ++++++++++++++++---------------------------
>>  drivers/watchdog/omap_wdt.h |    5 +
>>  4 files changed, 133 insertions(+), 220 deletions(-)
>>
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