diff options
Diffstat (limited to 'post/watchdog.c')
-rw-r--r-- | post/watchdog.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/post/watchdog.c b/post/watchdog.c deleted file mode 100644 index 48c4282..0000000 --- a/post/watchdog.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -/* - * Watchdog test - * - * The test verifies the watchdog timer operation. - * On the first iteration, the test routine disables interrupts and - * makes a 10-second delay. If the system does not reboot during this delay, - * the watchdog timer is not operational and the test fails. If the system - * reboots, on the second iteration the test routine reports a success. - */ - -#ifdef CONFIG_POST - -#include <post.h> -#include <watchdog.h> - -#if CONFIG_POST & CFG_POST_WATCHDOG - -static ulong gettbl (void) -{ - ulong r; - - asm ("mftbl %0":"=r" (r)); - - return r; -} - -int watchdog_post_test (int flags) -{ - if (flags & POST_REBOOT) { - /* Test passed */ - - return 0; - } else { - /* 10-second delay */ - int ints = disable_interrupts (); - ulong base = gettbl (); - ulong clk = get_tbclk (); - - while ((gettbl () - base) / 10 < clk); - - if (ints) - enable_interrupts (); - - /* - * If we have reached this point, the watchdog timer - * does not work - */ - return -1; - } -} - -#endif /* CONFIG_POST & CFG_POST_WATCHDOG */ -#endif /* CONFIG_POST */ |