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
|
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/sys/clint.h>
static int ipi_clint_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
int rc;
u32 max_hartid;
unsigned long addr;
rc = fdt_parse_max_hart_id(fdt, &max_hartid);
if (rc)
return rc;
rc = fdt_get_node_addr_size(fdt, nodeoff, &addr, NULL);
if (rc)
return rc;
return clint_cold_ipi_init(addr, max_hartid + 1);
}
static const struct fdt_match ipi_clint_match[] = {
{ .compatible = "riscv,clint0" },
{ },
};
struct fdt_ipi fdt_ipi_clint = {
.match_table = ipi_clint_match,
.cold_init = ipi_clint_cold_init,
.warm_init = clint_warm_ipi_init,
.exit = NULL,
.send = clint_ipi_send,
.clear = clint_ipi_clear,
};
|