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https://github.com/riscv-software-src/opensbi
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9e1a1518d4
The irqchip driver subsystem does not need any extra data, so it can use `struct fdt_driver` directly. The generic fdt_irqchip_init() performs a best-effort initialization of all matching DT nodes. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 Western Digital Corporation or its affiliates.
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* Copyright (c) 2022 Ventana Micro Systems Inc.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#include <libfdt.h>
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#include <sbi/riscv_asm.h>
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#include <sbi/sbi_error.h>
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#include <sbi/sbi_heap.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/irqchip/fdt_irqchip.h>
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#include <sbi_utils/irqchip/aplic.h>
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static int irqchip_aplic_cold_init(const void *fdt, int nodeoff,
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const struct fdt_match *match)
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{
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int rc;
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struct aplic_data *pd;
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pd = sbi_zalloc(sizeof(*pd));
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if (!pd)
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return SBI_ENOMEM;
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rc = fdt_parse_aplic_node(fdt, nodeoff, pd);
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if (rc)
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goto fail_free_data;
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rc = aplic_cold_irqchip_init(pd);
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if (rc)
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goto fail_free_data;
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return 0;
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fail_free_data:
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sbi_free(pd);
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return rc;
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}
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static const struct fdt_match irqchip_aplic_match[] = {
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{ .compatible = "riscv,aplic" },
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{ },
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};
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const struct fdt_driver fdt_irqchip_aplic = {
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.match_table = irqchip_aplic_match,
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.init = irqchip_aplic_cold_init,
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};
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