blob: 9d9e8c7bac4ee5342532ca4043b1aa691d137088 [file] [log] [blame]
Soby Mathew50f6fe42016-02-01 17:59:22 +00001/*
Roberto Vargas05712702018-02-12 12:36:17 +00002 * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
Soby Mathew50f6fe42016-02-01 17:59:22 +00003 *
dp-armfa3cf0b2017-05-03 09:38:09 +01004 * SPDX-License-Identifier: BSD-3-Clause
Soby Mathew50f6fe42016-02-01 17:59:22 +00005 */
6
Antonio Nino Diaz5eb88372018-11-08 10:20:19 +00007#ifndef GIC_COMMON_PRIVATE_H
8#define GIC_COMMON_PRIVATE_H
Soby Mathew50f6fe42016-02-01 17:59:22 +00009
10#include <gic_common.h>
11#include <mmio.h>
12#include <stdint.h>
13
14/*******************************************************************************
15 * GIC Distributor interface register accessors that are common to GICv3 & GICv2
16 ******************************************************************************/
17static inline unsigned int gicd_read_ctlr(uintptr_t base)
18{
19 return mmio_read_32(base + GICD_CTLR);
20}
21
22static inline unsigned int gicd_read_typer(uintptr_t base)
23{
24 return mmio_read_32(base + GICD_TYPER);
25}
26
27static inline unsigned int gicd_read_iidr(uintptr_t base)
28{
29 return mmio_read_32(base + GICD_IIDR);
30}
31
32static inline void gicd_write_ctlr(uintptr_t base, unsigned int val)
33{
34 mmio_write_32(base + GICD_CTLR, val);
35}
36
37/*******************************************************************************
38 * GIC Distributor function prototypes for accessing entire registers.
39 * Note: The raw register values correspond to multiple interrupt IDs and
40 * the number of interrupt IDs involved depends on the register accessed.
41 ******************************************************************************/
42unsigned int gicd_read_igroupr(uintptr_t base, unsigned int id);
43unsigned int gicd_read_isenabler(uintptr_t base, unsigned int id);
44unsigned int gicd_read_icenabler(uintptr_t base, unsigned int id);
45unsigned int gicd_read_ispendr(uintptr_t base, unsigned int id);
46unsigned int gicd_read_icpendr(uintptr_t base, unsigned int id);
47unsigned int gicd_read_isactiver(uintptr_t base, unsigned int id);
48unsigned int gicd_read_icactiver(uintptr_t base, unsigned int id);
49unsigned int gicd_read_ipriorityr(uintptr_t base, unsigned int id);
50unsigned int gicd_read_icfgr(uintptr_t base, unsigned int id);
51unsigned int gicd_read_nsacr(uintptr_t base, unsigned int id);
Roberto Vargas05712702018-02-12 12:36:17 +000052unsigned int gicd_read_spendsgir(uintptr_t base, unsigned int id);
53unsigned int gicd_read_cpendsgir(uintptr_t base, unsigned int id);
54unsigned int gicd_read_itargetsr(uintptr_t base, unsigned int id);
Soby Mathew50f6fe42016-02-01 17:59:22 +000055void gicd_write_igroupr(uintptr_t base, unsigned int id, unsigned int val);
56void gicd_write_isenabler(uintptr_t base, unsigned int id, unsigned int val);
57void gicd_write_icenabler(uintptr_t base, unsigned int id, unsigned int val);
58void gicd_write_ispendr(uintptr_t base, unsigned int id, unsigned int val);
59void gicd_write_icpendr(uintptr_t base, unsigned int id, unsigned int val);
60void gicd_write_isactiver(uintptr_t base, unsigned int id, unsigned int val);
61void gicd_write_icactiver(uintptr_t base, unsigned int id, unsigned int val);
62void gicd_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val);
63void gicd_write_icfgr(uintptr_t base, unsigned int id, unsigned int val);
64void gicd_write_nsacr(uintptr_t base, unsigned int id, unsigned int val);
Roberto Vargas05712702018-02-12 12:36:17 +000065void gicd_write_spendsgir(uintptr_t base, unsigned int id, unsigned int val);
66void gicd_write_cpendsgir(uintptr_t base, unsigned int id, unsigned int val);
67void gicd_write_itargetsr(uintptr_t base, unsigned int id, unsigned int val);
Soby Mathew50f6fe42016-02-01 17:59:22 +000068
69/*******************************************************************************
70 * GIC Distributor function prototypes for accessing the GIC registers
71 * corresponding to a single interrupt ID. These functions use bitwise
72 * operations or appropriate register accesses to modify or return
73 * the bit-field corresponding the single interrupt ID.
74 ******************************************************************************/
75unsigned int gicd_get_igroupr(uintptr_t base, unsigned int id);
76void gicd_set_igroupr(uintptr_t base, unsigned int id);
77void gicd_clr_igroupr(uintptr_t base, unsigned int id);
78void gicd_set_isenabler(uintptr_t base, unsigned int id);
79void gicd_set_icenabler(uintptr_t base, unsigned int id);
80void gicd_set_ispendr(uintptr_t base, unsigned int id);
81void gicd_set_icpendr(uintptr_t base, unsigned int id);
Jeenu Viswambharan24e70292017-09-22 08:32:09 +010082unsigned int gicd_get_isactiver(uintptr_t base, unsigned int id);
Soby Mathew50f6fe42016-02-01 17:59:22 +000083void gicd_set_isactiver(uintptr_t base, unsigned int id);
84void gicd_set_icactiver(uintptr_t base, unsigned int id);
85void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri);
Jeenu Viswambharan4684bce2017-09-22 08:32:09 +010086void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg);
Soby Mathew50f6fe42016-02-01 17:59:22 +000087
Antonio Nino Diaz5eb88372018-11-08 10:20:19 +000088#endif /* GIC_COMMON_PRIVATE_H */