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| author | Paul Mundt <lethal@linux-sh.org> | 2009-04-14 06:29:07 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-14 06:29:07 +0900 |
| commit | f499cae1e59d75d5eb24c23d47cf8986e6032c6d (patch) | |
| tree | 1af6235c18391212c40116eb90b01eae8938efee /arch/arm/mach-mx1/mx1_camera_fiq.S | |
| parent | fc3f55e672e1ed917dd9e215af81939cd3d717da (diff) | |
| parent | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/mach-mx1/mx1_camera_fiq.S')
| -rw-r--r-- | arch/arm/mach-mx1/mx1_camera_fiq.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-mx1/mx1_camera_fiq.S b/arch/arm/mach-mx1/mx1_camera_fiq.S new file mode 100644 index 00000000000..9c69aa65bf1 --- /dev/null +++ b/arch/arm/mach-mx1/mx1_camera_fiq.S @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> + * + * Based on linux/arch/arm/lib/floppydma.S + * Copyright (C) 1995, 1996 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> + + .text + .global mx1_camera_sof_fiq_end + .global mx1_camera_sof_fiq_start +mx1_camera_sof_fiq_start: + @ enable dma + ldr r12, [r9] + orr r12, r12, #0x00000001 + str r12, [r9] + @ unmask DMA interrupt + ldr r12, [r8] + bic r12, r12, r13 + str r12, [r8] + @ disable SOF interrupt + ldr r12, [r10] + bic r12, r12, #0x00010000 + str r12, [r10] + @ clear SOF flag + mov r12, #0x00010000 + str r12, [r11] + @ return from FIQ + subs pc, lr, #4 +mx1_camera_sof_fiq_end: |