diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2007-07-05 18:01:28 +0200 |
|---|---|---|
| committer | Sascha Hauer <sha@octopus.labnet.pengutronix.de> | 2007-07-05 18:01:28 +0200 |
| commit | 1ecc0d24bcf3d72bc3f4422f9fabc4110806cbf9 (patch) | |
| tree | bd3e9676d6150380668db8a211152b343036434c /arch/ppc | |
| parent | c80caaa84ac814b1e6a7a5bb3440a254c059b370 (diff) | |
| download | barebox-1ecc0d24bcf3d72bc3f4422f9fabc4110806cbf9.tar.gz barebox-1ecc0d24bcf3d72bc3f4422f9fabc4110806cbf9.tar.xz | |
svn_rev_157
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/ticks.S | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/arch/ppc/ticks.S b/arch/ppc/ticks.S deleted file mode 100644 index b8d25b7f46..0000000000 --- a/arch/ppc/ticks.S +++ /dev/null @@ -1,65 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. - * base on code by - * 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 <ppc_asm.tmpl> -#include <ppc_defs.h> -#include <config.h> -#include <watchdog.h> - -/* - * unsigned long long get_ticks(void); - * - * read timebase as "long long" - */ - .globl get_ticks -get_ticks: -1: mftbu r3 - mftb r4 - mftbu r5 - cmp 0,r3,r5 - bne 1b - blr - -/* - * Delay for a number of ticks - */ - .globl wait_ticks -wait_ticks: - mflr r8 /* save link register */ - mr r7, r3 /* save tick count */ - bl get_ticks /* Get start time */ - - /* Calculate end time */ - addc r7, r4, r7 /* Compute end time lower */ - addze r6, r3 /* and end time upper */ - - WATCHDOG_RESET /* Trigger watchdog, if needed */ -1: bl get_ticks /* Get current time */ - subfc r4, r4, r7 /* Subtract current time from end time */ - subfe. r3, r3, r6 - bge 1b /* Loop until time expired */ - - mtlr r8 /* restore link register */ - blr |