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- /*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2020 Western Digital Corporation or its affiliates.
- *
- * Authors:
- * Anup Patel <anup.patel@wdc.com>
- */
- #include <sbi/sbi_error.h>
- #include <sbi_utils/fdt/fdt_helper.h>
- #include <sbi_utils/ipi/fdt_ipi.h>
- #include <sbi_utils/sys/clint.h>
- #define CLINT_IPI_MAX_NR 16
- static unsigned long clint_ipi_count = 0;
- static struct clint_data clint_ipi[CLINT_IPI_MAX_NR];
- static int ipi_clint_cold_init(void *fdt, int nodeoff,
- const struct fdt_match *match)
- {
- int rc;
- struct clint_data *ci;
- if (CLINT_IPI_MAX_NR <= clint_ipi_count)
- return SBI_ENOSPC;
- ci = &clint_ipi[clint_ipi_count++];
- rc = fdt_parse_clint_node(fdt, nodeoff, FALSE, ci);
- if (rc)
- return rc;
- return clint_cold_ipi_init(ci);
- }
- static const struct fdt_match ipi_clint_match[] = {
- { .compatible = "riscv,clint0" },
- { .compatible = "sifive,clint0" },
- { },
- };
- struct fdt_ipi fdt_ipi_clint = {
- .match_table = ipi_clint_match,
- .cold_init = ipi_clint_cold_init,
- .warm_init = clint_warm_ipi_init,
- .exit = NULL,
- };
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