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 vaddr_t gicc_base;
54 vaddr_t gicd_base;
55
56 gicc_base = (vaddr_t)phys_to_virt(GIC_BASE + GICC_OFFSET,
57 MEM_AREA_IO_SEC, 1);
58 gicd_base = (vaddr_t)phys_to_virt(GIC_BASE + GICD_OFFSET,
59 MEM_AREA_IO_SEC, 1);
60 if (!gicc_base || !gicd_base)
61 panic();
62
63 gic_init_base_addr(&gic_data, gicc_base, gicd_base);
64
65 itr_init(&gic_data.chip);
66 }
67
itr_core_handler(void)68 void itr_core_handler(void)
69 {
70 gic_it_handle(&gic_data);
71 }
72