lib/utils/ipi/fdt_ipi_plicsw.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2022 Andes Technology Corporation
 *
 * Authors:
 *   Zong Li <zong@andestech.com>
 *   Nylon Chen <nylon7@andestech.com>
 *   Leo Yu-Chi Liang <ycliang@andestech.com>
 *   Yu Chien Peter Lin <peterlin@andestech.com>
 */

#include <sbi/riscv_io.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/ipi/andes_plicsw.h>

extern struct plicsw_data plicsw;

int fdt_plicsw_cold_ipi_init(const void *fdt, int nodeoff,
			     const struct fdt_match *match)
{
	int rc;

	rc = fdt_parse_plicsw_node(fdt, nodeoff, &plicsw.addr, &plicsw.size,
				   &plicsw.hart_count);
	if (rc)
		return rc;

	rc = plicsw_cold_ipi_init(&plicsw);
	if (rc)
		return rc;

	return 0;
}

static const struct fdt_match ipi_plicsw_match[] = {
	{ .compatible = "andestech,plicsw" },
	{},
};

const struct fdt_driver fdt_ipi_plicsw = {
	.match_table = ipi_plicsw_match,
	.init = fdt_plicsw_cold_ipi_init,
};