Watchdog: OMAP3: bootstatus fix and changes for the current watchdog framework
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Cover letter [PATCH RESEND V3 0/3] Watchdog: OMAP3: bootstatus fix and changes for the current watchdog framework
Quoted 22 lines · Vaibhav
Quoted 12 lines · Zumeng Chen
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.
V3 changes:
Quoted 9 lines
1. New comments updated as Kevin mentioned in the third patch;
2. 3530evm works well,
AM33xx seems work well with the following changes:
+ if (cpu_is_am335x())
+ return omap2_prm_read_mod_reg(AM33XX_PRM_DEVICE_MOD,
+ AM33XX_PRM_RSTST_OFFSET)&0x7f;
But since some definitions not ready for am33xx, so I don't give the patch, if they have been updated, feel free to take these.
Quoted 1 line
Did you test it on any of AM33xx platform?
Yes. I ever did in v2 as follows shown:
The same case works well on am335xevm but with a new patch in mach-omap2/prcm.c
I'll send it later.
root at 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 at ti-omap3:~# dmesg|grep WDT
[ 1.921173] omap_wdt: OMAP WDTimer Rev 0x01: Initial timeout 0sec status= 0x1
root at 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#
Quoted 6 lines
If you use linux-omap/master pr
linux-next branch as a baseline you should have basic things (except hwmod data) available.I will test it and send a patch for this on your behalf (if you are ok with it).
I'm OK for this, thanks Vaibhav.
Quoted 2 lines
Note: Change in convention,
cpu_is_am335x()=>soc_is_am335x()
Yes, agreed.
Regards,
Zumeng
Quoted 4 lines
Thanks,
Vaibhav