1 /*
2  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3  * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  */
7 
8 #include <assert.h>
9 #include <platform_def.h>
10 
11 #include <common/bl_common.h>
12 #include <drivers/arm/gicv2.h>
13 #include <lib/utils.h>
14 #include <plat/common/platform.h>
15 
16 #include <tegra_private.h>
17 #include <tegra_def.h>
18 
19 static unsigned int tegra_target_masks[PLATFORM_CORE_COUNT];
20 
21 /******************************************************************************
22  * Tegra common helper to setup the GICv2 driver data.
23  *****************************************************************************/
tegra_gic_setup(const interrupt_prop_t * interrupt_props,unsigned int interrupt_props_num)24 void tegra_gic_setup(const interrupt_prop_t *interrupt_props,
25 		     unsigned int interrupt_props_num)
26 {
27 	/*
28 	 * Tegra GIC configuration settings
29 	 */
30 	static gicv2_driver_data_t tegra_gic_data;
31 
32 	/*
33 	 * Register Tegra GICv2 driver
34 	 */
35 	tegra_gic_data.gicd_base = TEGRA_GICD_BASE;
36 	tegra_gic_data.gicc_base = TEGRA_GICC_BASE;
37 	tegra_gic_data.interrupt_props = interrupt_props;
38 	tegra_gic_data.interrupt_props_num = interrupt_props_num;
39 	tegra_gic_data.target_masks = tegra_target_masks;
40 	tegra_gic_data.target_masks_num = ARRAY_SIZE(tegra_target_masks);
41 	gicv2_driver_init(&tegra_gic_data);
42 }
43 
44 /******************************************************************************
45  * Tegra common helper to initialize the GICv2 only driver.
46  *****************************************************************************/
tegra_gic_init(void)47 void tegra_gic_init(void)
48 {
49 	gicv2_distif_init();
50 	gicv2_pcpu_distif_init();
51 	gicv2_set_pe_target_mask(plat_my_core_pos());
52 	gicv2_cpuif_enable();
53 }
54 
55 /******************************************************************************
56  * Tegra common helper to disable the GICv2 CPU interface
57  *****************************************************************************/
tegra_gic_cpuif_deactivate(void)58 void tegra_gic_cpuif_deactivate(void)
59 {
60 	gicv2_cpuif_disable();
61 }
62 
63 /******************************************************************************
64  * Tegra common helper to initialize the per cpu distributor interface
65  * in GICv2
66  *****************************************************************************/
tegra_gic_pcpu_init(void)67 void tegra_gic_pcpu_init(void)
68 {
69 	gicv2_pcpu_distif_init();
70 	gicv2_set_pe_target_mask(plat_my_core_pos());
71 	gicv2_cpuif_enable();
72 }
73