libmetal
sys.h
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1 /*
2  * Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
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7  * 1. Redistributions of source code must retain the above copyright notice,
8  * this list of conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  *
14  * 3. Neither the name of Xilinx nor the names of its contributors may be used
15  * to endorse or promote products derived from this software without
16  * specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29  */
30 
31 /*
32  * @file generic/zynqmp_a53/sys.h
33  * @brief generic zynqmp_a53 system primitives for libmetal.
34  */
35 
36 #ifndef __METAL_GENERIC_SYS__H__
37 #error "Include metal/sys.h instead of metal/generic/@PROJECT_MACHINE@/sys.h"
38 #endif
39 
40 #include "xscugic.h"
41 
42 #ifndef __METAL_GENERIC_ZYNQMP_A53_SYS__H__
43 #define __METAL_GENERIC_ZYNQMP_A53_SYS__H__
44 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
49 #ifdef METAL_INTERNAL
50 
51 #if !defined(MAX_IRQS)
52 #define MAX_IRQS ((int)XSCUGIC_MAX_NUM_INTR_INPUTS)
53 #endif
54 
55 static inline void sys_irq_enable(unsigned int vector)
56 {
57  XScuGic_EnableIntr(XPAR_SCUGIC_0_DIST_BASEADDR, vector);
58 }
59 
60 static inline void sys_irq_disable(unsigned int vector)
61 {
62  XScuGic_DisableIntr(XPAR_SCUGIC_0_DIST_BASEADDR, vector);
63 }
64 
65 #endif /* METAL_INTERNAL */
66 
67 #ifdef __cplusplus
68 }
69 #endif
70 
71 #endif /* __METAL_GENERIC_ZYNQMP_A53_SYS__H__ */