Files
opensbi/lib/utils/timer/fdt_timer_clint.c
sophgo-forum-service 3b045ae374 opensbi: weekly rls 2025.01.10
daa470, [fix](opensbi): add rls_info.txt
b21a54, [test](opensbi): opensbi tailoring (time optimizing)
6ff231, [fix](str): fix riscv suspend section which do not use varivales and functions beyond syspend section.

Change-Id: I8c6e7698b475b2d14c02308121f621dafe9b9e36
2025-01-13 16:32:03 +08:00

55 lines
1.3 KiB
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi/sbi_error.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/timer/fdt_timer.h>
#include <sbi_utils/sys/clint.h>
#define CLINT_TIMER_MAX_NR 16
static unsigned long clint_timer_count = 0;
static struct clint_data clint_timer[CLINT_TIMER_MAX_NR] = {
{.addr = 0x74000000, .first_hartid = 0, .hart_count = 1, .has_64bit_mmio = 0, },
};
static int timer_clint_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
int rc;
struct clint_data *ct, *ctmaster = NULL;
if (CLINT_TIMER_MAX_NR <= clint_timer_count)
return SBI_ENOSPC;
ct = &clint_timer[clint_timer_count++];
if (1 < clint_timer_count)
ctmaster = &clint_timer[0];
if (clint_timer_count != 1) {
rc = fdt_parse_clint_node(fdt, nodeoff, TRUE, ct);
if (rc)
return rc;
}
return clint_cold_timer_init(ct, ctmaster);
}
static const struct fdt_match timer_clint_match[] = {
{ .compatible = "riscv,clint0" },
{ .compatible = "sifive,clint0" },
{ },
};
struct fdt_timer fdt_timer_clint = {
.match_table = timer_clint_match,
.cold_init = timer_clint_cold_init,
.warm_init = clint_warm_timer_init,
.exit = NULL,
};