Hello.
I am work around NetBurner MOD5272, with kernel 2.4.34.5-uc0,
uClinux-dist-20110603 and m68k-uclinux-tools.
When i configure in the kernell:
...........
[ * ] ColdFireWatchdog Timer Support
.........
I have some make ERROS:
...........
mcfwatchdog.c: In function 'watchdog_timeout':
mcfwatchdog.c:251: warning: implicit declaration of function 'mcf_setimr'
mcfwatchdog.c:251: warning: implicit declaration of function 'mcf_getimr'
mcfwatchdog.c:256: error: 'MCFSIM_SWSR' undeclared (first use in
this function)
mcfwatchdog.c:256: error: (Each undeclared identifier is
reported only once
mcfwatchdog.c:256: error: for each function it appears in.)
make[4]: *** [mcfwatchdog.o] Error 1
make[4]: Leaving directory
`/home/labo/uClinux-dist/linux-2.4.x/drivers/char'
make[3]: *** [first_rule] Error 2
make[3]: Leaving directory
`/home/labo/uClinux-dist/linux-2.4.x/drivers/char'
make[2]: *** [_subdir_char] Error 2
make[2]: Leaving directory `/home/labo/uClinux-dist/linux-2.4.x/drivers'
make[1]: *** [_dir_drivers] Error 2
make[1]: Leaving directory `/home/labo/uClinux-dist/linux-2.4.x'
make: *** [linux] Error 1
..........
Digging in source file
(uClinux-dist/linux-2.4.x/drivers/char/mcfwatchdog.c) i found in
function watchdog_timeout(....):
The compiler really need the defenition of MCFSIM_SWSR, mcf_setimr ()
and mcf_getimr.
I thing this is a bug, because in other funtion of file M5272 always
have a diferent way of code, without the previous defines
(MCFSIM_SWSR, mcf_setimr () and mcf_getimr ).
What i I did was: comment the part of the funtion that needs the
(MCFSIM_SWSR, mcf_setimr () and mcf_getimr()):
line 236
..........
#else
+ printk("mcfwatchdog: expired!\n");
+ dump(fp);
+ #endif /* CONFIG_OLDMASK */
* //#ifdef RESET_ON_SWTR
* // /* nothing will be done... reset will occour */
* //#else /* RESET_ON_SWTR */
* // // lev7 interrupt is used.
* // if(++watchdog_overflows >= 10) {
* //
* // printk("mcfwatchdog: expired!\n");
* //#ifndef MODULE
* // dump(fp);
* //#endif
* // mcf_setimr(mcf_getimr() | MCFSIM_IMR_SWD);
* // HARD_RESET_NOW();
* // for (;;) ; // hang until reboot
* // } else {
* // volatile unsigned char *mbar = (volatile unsigned char *)
MCF_MBAR;
* // *(mbar + MCFSIM_SWSR) = 0x55;
* // *(mbar + MCFSIM_SWSR) = 0xaa; // kick watchdog
* // }
* //#endif /* RESET_ON_SWTR */
+ #endif /* CONFIG_OLDMASK */
}
...........
Ok after this make witout erros, and in the boot: mcfwatchdog:
initializing at vector=92.
I know that is not the correct way to solve the error. Probably this
cause problems when one watchdog ISR occur.
But I hope it helps someone to solve the problem.
Has anyone had or solved this problem?
Thanks.
Domingos Goncalves.
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