opensbi/lib/utils/irqchip/fdt_irqchip_aplic.c
Anup Patel 30137166c6 lib: utils/irqchip: Use heap in PLIC, APLIC and IMSIC drivers
Let's use heap allocation in PLIC, APLIC, and IMSIC irqchip drivers
instead of using a fixed size global array.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
2023-06-05 15:57:58 +05:30

60 lines
1.2 KiB
C

/*
* 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/sbi_heap.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/irqchip/fdt_irqchip.h>
#include <sbi_utils/irqchip/aplic.h>
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;
pd = sbi_zalloc(sizeof(*pd));
if (!pd)
return SBI_ENOMEM;
rc = fdt_parse_aplic_node(fdt, nodeoff, pd);
if (rc)
goto fail_free_data;
rc = aplic_cold_irqchip_init(pd);
if (rc)
goto fail_free_data;
return 0;
fail_free_data:
sbi_free(pd);
return rc;
}
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,
};