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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
* Copyright (c) 2022 Ventana Micro Systems Inc.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <libfdt.h>
#include <sbi/riscv_asm.h>
#include <sbi/sbi_error.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/irqchip/fdt_irqchip.h>
#include <sbi_utils/irqchip/aplic.h>
#define APLIC_MAX_NR 16
static unsigned long aplic_count = 0;
static struct aplic_data aplic[APLIC_MAX_NR];
static int irqchip_aplic_warm_init(void)
{
/* Nothing to do here. */
return 0;
}
static int irqchip_aplic_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
int rc;
struct aplic_data *pd;
if (APLIC_MAX_NR <= aplic_count)
return SBI_ENOSPC;
pd = &aplic[aplic_count++];
rc = fdt_parse_aplic_node(fdt, nodeoff, pd);
if (rc)
return rc;
return aplic_cold_irqchip_init(pd);
}
static const struct fdt_match irqchip_aplic_match[] = {
{ .compatible = "riscv,aplic" },
{ },
};
struct fdt_irqchip fdt_irqchip_aplic = {
.match_table = irqchip_aplic_match,
.cold_init = irqchip_aplic_cold_init,
.warm_init = irqchip_aplic_warm_init,
.exit = NULL,
};
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