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Diffstat (limited to 'board/edb93xx/early_udelay.h')
-rw-r--r-- | board/edb93xx/early_udelay.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/board/edb93xx/early_udelay.h b/board/edb93xx/early_udelay.h deleted file mode 100644 index 185283d98dc..00000000000 --- a/board/edb93xx/early_udelay.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net> - * - * 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> - -/* delay execution before timers are initialized */ -static inline void early_udelay(uint32_t usecs) -{ - /* loop takes 4 cycles at 5.0ns (fastest case, running at 200MHz) */ - register uint32_t loops = usecs * (1000 / 20); - - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} |