| Paulius Zaleckas | 6acc81c | 2009-04-03 10:34:05 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> |
| 3 | * |
| 4 | * Based on linux/arch/arm/lib/floppydma.S |
| 5 | * Copyright (C) 1995, 1996 Russell King |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | #include <linux/linkage.h> |
| 12 | #include <asm/assembler.h> |
| 13 | |
| 14 | .text |
| 15 | .global mx1_camera_sof_fiq_end |
| 16 | .global mx1_camera_sof_fiq_start |
| 17 | mx1_camera_sof_fiq_start: |
| 18 | @ enable dma |
| 19 | ldr r12, [r9] |
| 20 | orr r12, r12, #0x00000001 |
| 21 | str r12, [r9] |
| 22 | @ unmask DMA interrupt |
| 23 | ldr r12, [r8] |
| 24 | bic r12, r12, r13 |
| 25 | str r12, [r8] |
| 26 | @ disable SOF interrupt |
| 27 | ldr r12, [r10] |
| 28 | bic r12, r12, #0x00010000 |
| 29 | str r12, [r10] |
| 30 | @ clear SOF flag |
| 31 | mov r12, #0x00010000 |
| 32 | str r12, [r11] |
| 33 | @ return from FIQ |
| 34 | subs pc, lr, #4 |
| 35 | mx1_camera_sof_fiq_end: |