xref: /arm-trusted-firmware/plat/rockchip/rk3399/drivers/m0/include/rk3399_mcu.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #ifndef RK3399_MCU_H
8*91f16700Schasinglulu #define RK3399_MCU_H
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <addressmap.h>
11*91f16700Schasinglulu 
12*91f16700Schasinglulu typedef unsigned int uint32_t;
13*91f16700Schasinglulu 
14*91f16700Schasinglulu #define mmio_read_32(c)	({unsigned int __v = \
15*91f16700Schasinglulu 				(*(volatile unsigned int *)(c)); __v; })
16*91f16700Schasinglulu #define mmio_write_32(c, v)	((*(volatile unsigned int *)(c)) = (v))
17*91f16700Schasinglulu 
18*91f16700Schasinglulu #define mmio_clrbits_32(addr, clear) \
19*91f16700Schasinglulu 		mmio_write_32(addr, (mmio_read_32(addr) & ~(clear)))
20*91f16700Schasinglulu #define mmio_setbits_32(addr, set) \
21*91f16700Schasinglulu 		mmio_write_32(addr, (mmio_read_32(addr)) | (set))
22*91f16700Schasinglulu #define mmio_clrsetbits_32(addr, clear, set) \
23*91f16700Schasinglulu 		mmio_write_32(addr, (mmio_read_32(addr) & ~(clear)) | (set))
24*91f16700Schasinglulu 
25*91f16700Schasinglulu #define MIN(a, b) ((a) < (b) ? (a) : (b))
26*91f16700Schasinglulu #define MAX(a, b) ((a) > (b) ? (a) : (b))
27*91f16700Schasinglulu 
28*91f16700Schasinglulu void stopwatch_init_usecs_expire(unsigned int usecs);
29*91f16700Schasinglulu int stopwatch_expired(void);
30*91f16700Schasinglulu void stopwatch_reset(void);
31*91f16700Schasinglulu 
32*91f16700Schasinglulu #endif /* RK3399_MCU_H */
33