From 639f6571458948b5112be2cf00c0c2c04db2897d Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Wed, 27 Aug 2008 10:51:02 +0800 Subject: Blackfin arch: move include/asm-blackfin header files to arch/blackfin Signed-off-by: Bryan Wu --- include/asm-blackfin/delay.h | 62 -------------------------------------------- 1 file changed, 62 deletions(-) delete mode 100644 include/asm-blackfin/delay.h (limited to 'include/asm-blackfin/delay.h') diff --git a/include/asm-blackfin/delay.h b/include/asm-blackfin/delay.h deleted file mode 100644 index 473a8113277..00000000000 --- a/include/asm-blackfin/delay.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * delay.h - delay functions - * - * Copyright (c) 2004-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef __ASM_DELAY_H__ -#define __ASM_DELAY_H__ - -#include - -static inline void __delay(unsigned long loops) -{ - if (ANOMALY_05000312) { - /* Interrupted loads to loop registers -> bad */ - unsigned long tmp; - __asm__ __volatile__( - "[--SP] = LC0;" - "[--SP] = LT0;" - "[--SP] = LB0;" - "LSETUP (1f,1f) LC0 = %1;" - "1: NOP;" - /* We take advantage of the fact that LC0 is 0 at - * the end of the loop. Otherwise we'd need some - * NOPs after the CLI here. - */ - "CLI %0;" - "LB0 = [SP++];" - "LT0 = [SP++];" - "LC0 = [SP++];" - "STI %0;" - : "=d" (tmp) - : "a" (loops) - ); - } else - __asm__ __volatile__ ( - "LSETUP(1f, 1f) LC0 = %0;" - "1: NOP;" - : - : "a" (loops) - : "LT0", "LB0", "LC0" - ); -} - -#include /* needed for HZ */ - -/* - * Use only for very small delays ( < 1 msec). Should probably use a - * lookup table, really, as the multiplications take much too long with - * short delays. This is a "reasonable" implementation, though (and the - * first constant multiplications gets optimized away if the delay is - * a constant) - */ -static inline void udelay(unsigned long usecs) -{ - extern unsigned long loops_per_jiffy; - __delay(usecs * loops_per_jiffy / (1000000 / HZ)); -} - -#endif -- cgit v1.2.3