xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-bcm283x/include/mach/timer.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2012,2015 Stephen Warren
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _BCM2835_TIMER_H
8*4882a593Smuzhiyun #define _BCM2835_TIMER_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef CONFIG_BCM2835
11*4882a593Smuzhiyun #define BCM2835_TIMER_PHYSADDR	0x3f003000
12*4882a593Smuzhiyun #else
13*4882a593Smuzhiyun #define BCM2835_TIMER_PHYSADDR	0x20003000
14*4882a593Smuzhiyun #endif
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #define BCM2835_TIMER_CS_M3	(1 << 3)
17*4882a593Smuzhiyun #define BCM2835_TIMER_CS_M2	(1 << 2)
18*4882a593Smuzhiyun #define BCM2835_TIMER_CS_M1	(1 << 1)
19*4882a593Smuzhiyun #define BCM2835_TIMER_CS_M0	(1 << 0)
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #ifndef __ASSEMBLY__
22*4882a593Smuzhiyun #include <linux/types.h>
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun struct bcm2835_timer_regs {
25*4882a593Smuzhiyun 	u32 cs;
26*4882a593Smuzhiyun 	u32 clo;
27*4882a593Smuzhiyun 	u32 chi;
28*4882a593Smuzhiyun 	u32 c0;
29*4882a593Smuzhiyun 	u32 c1;
30*4882a593Smuzhiyun 	u32 c2;
31*4882a593Smuzhiyun 	u32 c3;
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun extern ulong get_timer_us(ulong base);
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif
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