diff options
Diffstat (limited to 'arch/arm26/lib/delay.S')
| -rw-r--r-- | arch/arm26/lib/delay.S | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/arm26/lib/delay.S b/arch/arm26/lib/delay.S deleted file mode 100644 index 66f2b68e1b13..000000000000 --- a/arch/arm26/lib/delay.S +++ /dev/null | |||
| @@ -1,57 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * linux/arch/arm26/lib/delay.S | ||
| 3 | * | ||
| 4 | * Copyright (C) 1995, 1996 Russell King | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License version 2 as | ||
| 8 | * published by the Free Software Foundation. | ||
| 9 | */ | ||
| 10 | #include <linux/linkage.h> | ||
| 11 | #include <asm/assembler.h> | ||
| 12 | .text | ||
| 13 | |||
| 14 | LC0: .word loops_per_jiffy | ||
| 15 | |||
| 16 | /* | ||
| 17 | * 0 <= r0 <= 2000 | ||
| 18 | */ | ||
| 19 | ENTRY(udelay) | ||
| 20 | mov r2, #0x6800 | ||
| 21 | orr r2, r2, #0x00db | ||
| 22 | mul r1, r0, r2 | ||
| 23 | ldr r2, LC0 | ||
| 24 | ldr r2, [r2] | ||
| 25 | mov r1, r1, lsr #11 | ||
| 26 | mov r2, r2, lsr #11 | ||
| 27 | mul r0, r1, r2 | ||
| 28 | movs r0, r0, lsr #6 | ||
| 29 | RETINSTR(moveq,pc,lr) | ||
| 30 | |||
| 31 | /* | ||
| 32 | * loops = (r0 * 0x10c6 * 100 * loops_per_jiffy) / 2^32 | ||
| 33 | * | ||
| 34 | * Oh, if only we had a cycle counter... | ||
| 35 | */ | ||
| 36 | |||
| 37 | @ Delay routine | ||
| 38 | ENTRY(__delay) | ||
| 39 | subs r0, r0, #1 | ||
| 40 | #if 0 | ||
| 41 | RETINSTR(movls,pc,lr) | ||
| 42 | subs r0, r0, #1 | ||
| 43 | RETINSTR(movls,pc,lr) | ||
| 44 | subs r0, r0, #1 | ||
| 45 | RETINSTR(movls,pc,lr) | ||
| 46 | subs r0, r0, #1 | ||
| 47 | RETINSTR(movls,pc,lr) | ||
| 48 | subs r0, r0, #1 | ||
| 49 | RETINSTR(movls,pc,lr) | ||
| 50 | subs r0, r0, #1 | ||
| 51 | RETINSTR(movls,pc,lr) | ||
| 52 | subs r0, r0, #1 | ||
| 53 | RETINSTR(movls,pc,lr) | ||
| 54 | subs r0, r0, #1 | ||
| 55 | #endif | ||
| 56 | bhi __delay | ||
| 57 | RETINSTR(mov,pc,lr) | ||