diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-06-14 09:56:58 -0400 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-06-30 02:59:44 -0400 |
| commit | 074694956b547de9a6b85b919c0bb13853b88c2d (patch) | |
| tree | 3abf7837bdb3c03a76f0d4d8b41a6bb1b06797e2 /arch/arm/mach-imx/mx1-camera-fiq.S | |
| parent | 551823e7e031978b990e952c70ae01f8eba8d2c4 (diff) | |
ARM: imx: move mx1 support to mach-imx
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/mx1-camera-fiq.S')
| -rw-r--r-- | arch/arm/mach-imx/mx1-camera-fiq.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx1-camera-fiq.S b/arch/arm/mach-imx/mx1-camera-fiq.S new file mode 100644 index 000000000000..9c69aa65bf17 --- /dev/null +++ b/arch/arm/mach-imx/mx1-camera-fiq.S | |||
| @@ -0,0 +1,35 @@ | |||
| 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: | ||