1384740dcSRalf Baechle /* 2384740dcSRalf Baechle * This file is subject to the terms and conditions of the GNU General Public 3384740dcSRalf Baechle * License. See the file "COPYING" in the main directory of this archive 4384740dcSRalf Baechle * for more details. 5384740dcSRalf Baechle * 6384740dcSRalf Baechle * Copyright (C) 1994 by Waldorf Electronics 7384740dcSRalf Baechle * Copyright (C) 1995 - 2000, 01, 03 by Ralf Baechle 8384740dcSRalf Baechle * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 9384740dcSRalf Baechle * Copyright (C) 2007 Maciej W. Rozycki 10384740dcSRalf Baechle */ 11384740dcSRalf Baechle #ifndef _ASM_DELAY_H 12384740dcSRalf Baechle #define _ASM_DELAY_H 13384740dcSRalf Baechle 14*5636919bSRalf Baechle extern void __delay(unsigned int loops); 15*5636919bSRalf Baechle extern void __ndelay(unsigned int ns); 16*5636919bSRalf Baechle extern void __udelay(unsigned int us); 17384740dcSRalf Baechle 18*5636919bSRalf Baechle #define ndelay(ns) __udelay(ns) 19*5636919bSRalf Baechle #define udelay(us) __udelay(us) 20384740dcSRalf Baechle 21384740dcSRalf Baechle /* make sure "usecs *= ..." in udelay do not overflow. */ 22384740dcSRalf Baechle #if HZ >= 1000 23384740dcSRalf Baechle #define MAX_UDELAY_MS 1 24384740dcSRalf Baechle #elif HZ <= 200 25384740dcSRalf Baechle #define MAX_UDELAY_MS 5 26384740dcSRalf Baechle #else 27384740dcSRalf Baechle #define MAX_UDELAY_MS (1000 / HZ) 28384740dcSRalf Baechle #endif 29384740dcSRalf Baechle 30384740dcSRalf Baechle #endif /* _ASM_DELAY_H */ 31