6b13f685e
 김민수
BSP 최초 추가
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
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:
|