93f81bd490
repo: https://github.com/T-head-Semi/opensbi commit: 89182b257c8798e15e4c685c1af0c2862d528d2a Change-Id: I7b39d66729e0108661a6f4c9e28acbdb303684ea
49 lines
1.0 KiB
C
49 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) 2020 Western Digital Corporation or its affiliates.
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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 <sbi/sbi_error.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/sys/clint.h>
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#define CLINT_IPI_MAX_NR 16
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static unsigned long clint_ipi_count = 0;
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static struct clint_data clint_ipi[CLINT_IPI_MAX_NR];
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static int ipi_clint_cold_init(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 clint_data *ci;
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if (CLINT_IPI_MAX_NR <= clint_ipi_count)
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return SBI_ENOSPC;
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ci = &clint_ipi[clint_ipi_count++];
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rc = fdt_parse_clint_node(fdt, nodeoff, FALSE, ci);
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if (rc)
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return rc;
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return clint_cold_ipi_init(ci);
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}
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static const struct fdt_match ipi_clint_match[] = {
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{ .compatible = "riscv,clint0" },
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{ .compatible = "sifive,clint0" },
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{ },
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};
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struct fdt_ipi fdt_ipi_clint = {
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.match_table = ipi_clint_match,
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.cold_init = ipi_clint_cold_init,
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.warm_init = clint_warm_ipi_init,
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.exit = NULL,
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};
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