1 /*
2 * Copyright 2021 NXP
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include <drivers/arm/gicv3.h>
9 #include <plat_gic.h>
10 #include <plat/common/platform.h>
11
12 /*
13 * NXP common helper to initialize the GICv3 only driver.
14 */
plat_ls_gic_driver_init(uintptr_t nxp_gicd_addr,uintptr_t nxp_gicr_addr,uint8_t plat_core_count,interrupt_prop_t * ls_interrupt_props,uint8_t ls_interrupt_prop_count,uintptr_t * target_mask_array,mpidr_hash_fn mpidr_to_core_pos)15 void plat_ls_gic_driver_init(uintptr_t nxp_gicd_addr,
16 uintptr_t nxp_gicr_addr,
17 uint8_t plat_core_count,
18 interrupt_prop_t *ls_interrupt_props,
19 uint8_t ls_interrupt_prop_count,
20 uintptr_t *target_mask_array,
21 mpidr_hash_fn mpidr_to_core_pos)
22 {
23 static struct gicv3_driver_data ls_gic_data;
24
25 ls_gic_data.gicd_base = nxp_gicd_addr;
26 ls_gic_data.gicr_base = nxp_gicr_addr;
27 ls_gic_data.interrupt_props = ls_interrupt_props;
28 ls_gic_data.interrupt_props_num = ls_interrupt_prop_count;
29 ls_gic_data.rdistif_num = plat_core_count;
30 ls_gic_data.rdistif_base_addrs = target_mask_array;
31 ls_gic_data.mpidr_to_core_pos = mpidr_to_core_pos;
32
33 gicv3_driver_init(&ls_gic_data);
34 }
35
plat_ls_gic_init(void)36 void plat_ls_gic_init(void)
37 {
38 gicv3_distif_init();
39 gicv3_rdistif_init(plat_my_core_pos());
40 gicv3_cpuif_enable(plat_my_core_pos());
41 }
42
43 /*
44 * NXP common helper to enable the GICv3 CPU interface
45 */
plat_ls_gic_cpuif_enable(void)46 void plat_ls_gic_cpuif_enable(void)
47 {
48 gicv3_cpuif_enable(plat_my_core_pos());
49 }
50
51 /*
52 * NXP common helper to disable the GICv3 CPU interface
53 */
plat_ls_gic_cpuif_disable(void)54 void plat_ls_gic_cpuif_disable(void)
55 {
56 gicv3_cpuif_disable(plat_my_core_pos());
57 }
58
59 /*
60 * NXP common helper to initialize the per cpu distributor interface in GICv3
61 */
plat_gic_pcpu_init(void)62 void plat_gic_pcpu_init(void)
63 {
64 gicv3_rdistif_init(plat_my_core_pos());
65 gicv3_cpuif_enable(plat_my_core_pos());
66 }
67
68 /*
69 * Stubs for Redistributor power management. Although GICv3 doesn't have
70 * Redistributor interface, these are provided for the sake of uniform GIC API
71 */
plat_ls_gic_redistif_on(void)72 void plat_ls_gic_redistif_on(void)
73 {
74 }
75
plat_ls_gic_redistif_off(void)76 void plat_ls_gic_redistif_off(void)
77 {
78 }
79