blob: 9c69aa65bf17ad644b8e580719209040c729ed6e [file] [log] [blame]
* Copyright (C) 2008 Paulius Zaleckas <>
* 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>
.global mx1_camera_sof_fiq_end
.global 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