diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /include/asm-xtensa/delay.h | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'include/asm-xtensa/delay.h')
| -rw-r--r-- | include/asm-xtensa/delay.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/include/asm-xtensa/delay.h b/include/asm-xtensa/delay.h deleted file mode 100644 index e1d8c9e010c..00000000000 --- a/include/asm-xtensa/delay.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * include/asm-xtensa/delay.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2005 Tensilica Inc. - * - */ - -#ifndef _XTENSA_DELAY_H -#define _XTENSA_DELAY_H - -#include <asm/processor.h> -#include <asm/param.h> - -extern unsigned long loops_per_jiffy; - -static inline void __delay(unsigned long loops) -{ - /* 2 cycles per loop. */ - __asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b" - : "=r" (loops) : "0" (loops)); -} - -static __inline__ u32 xtensa_get_ccount(void) -{ - u32 ccount; - asm volatile ("rsr %0, 234; # CCOUNT\n" : "=r" (ccount)); - return ccount; -} - -/* For SMP/NUMA systems, change boot_cpu_data to something like - * local_cpu_data->... where local_cpu_data points to the current - * cpu. */ - -static __inline__ void udelay (unsigned long usecs) -{ - unsigned long start = xtensa_get_ccount(); - unsigned long cycles = usecs * (loops_per_jiffy / (1000000UL / HZ)); - - /* Note: all variables are unsigned (can wrap around)! */ - while (((unsigned long)xtensa_get_ccount()) - start < cycles) - ; -} - -#endif - |