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/*
* 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/timer/fdt_timer.h>
#include <sbi_utils/sys/clint.h>
static struct clint_data clint_timer;
static int timer_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;
/* TODO: We should figure-out CLINT has_64bit_mmio from DT node */
clint_timer.addr = addr;
clint_timer.first_hartid = 0;
clint_timer.hart_count = max_hartid + 1;
clint_timer.has_64bit_mmio = TRUE;
return clint_cold_timer_init(&clint_timer, NULL);
}
static const struct fdt_match timer_clint_match[] = {
{ .compatible = "riscv,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,
.value = clint_timer_value,
.event_stop = clint_timer_event_stop,
.event_start = clint_timer_event_start,
};
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