1 // SPDX-License-Identifier: BSD-2-Clause
2 /*
3  * Copyright (c) 2016, Spreadtrum Communications Inc.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice,
10  * this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <drivers/gic.h>
30 #include <kernel/boot.h>
31 #include <kernel/interrupt.h>
32 #include <kernel/panic.h>
33 #include <mm/core_memprot.h>
34 #include <platform_config.h>
35 #include <trace.h>
36 
37 register_phys_mem_pgdir(MEM_AREA_IO_NSEC,
38 			ROUNDDOWN(CONSOLE_UART_BASE, CORE_MMU_PGDIR_SIZE),
39 			CORE_MMU_PGDIR_SIZE);
40 
41 register_phys_mem_pgdir(MEM_AREA_IO_SEC,
42 			ROUNDDOWN(GIC_BASE, CORE_MMU_PGDIR_SIZE),
43 			CORE_MMU_PGDIR_SIZE);
44 
45 register_phys_mem_pgdir(MEM_AREA_IO_SEC,
46 			ROUNDDOWN(GIC_BASE + GICD_OFFSET, CORE_MMU_PGDIR_SIZE),
47 			CORE_MMU_PGDIR_SIZE);
48 
49 static struct gic_data gic_data;
50 
main_init_gic(void)51 void main_init_gic(void)
52 {
53 	gic_init_base_addr(&gic_data, GIC_BASE + GICC_OFFSET,
54 			   GIC_BASE + GICD_OFFSET);
55 
56 	itr_init(&gic_data.chip);
57 }
58 
itr_core_handler(void)59 void itr_core_handler(void)
60 {
61 	gic_it_handle(&gic_data);
62 }
63