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https://github.com/riscv-software-src/opensbi
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5fa510c5f6
The ipi driver subsystem does not need any extra data, so it can use `struct fdt_driver` directly. The generic fdt_ipi_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>
46 lines
982 B
C
46 lines
982 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2022 Andes Technology Corporation
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*
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* Authors:
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* Zong Li <zong@andestech.com>
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* Nylon Chen <nylon7@andestech.com>
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* Leo Yu-Chi Liang <ycliang@andestech.com>
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* Yu Chien Peter Lin <peterlin@andestech.com>
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*/
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#include <sbi/riscv_io.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/ipi/fdt_ipi.h>
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#include <sbi_utils/ipi/andes_plicsw.h>
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extern struct plicsw_data plicsw;
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int fdt_plicsw_cold_ipi_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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rc = fdt_parse_plicsw_node(fdt, nodeoff, &plicsw.addr, &plicsw.size,
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&plicsw.hart_count);
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if (rc)
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return rc;
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rc = plicsw_cold_ipi_init(&plicsw);
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if (rc)
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return rc;
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return 0;
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}
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static const struct fdt_match ipi_plicsw_match[] = {
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{ .compatible = "andestech,plicsw" },
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{},
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};
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const struct fdt_driver fdt_ipi_plicsw = {
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.match_table = ipi_plicsw_match,
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.init = fdt_plicsw_cold_ipi_init,
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};
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