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e78a0ebdc4
In preparation for reusing the fdt_driver code to match platform overrides, add a new .init hook matching the type signature from fdt_driver. This hook replaces the existing .fw_init hook, since it is called at roughly the same place in the init process. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20250325234342.711447-5-samuel.holland@sifive.com Signed-off-by: Anup Patel <anup@brainfault.org>
41 lines
1.3 KiB
C
41 lines
1.3 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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#ifndef __PLATFORM_OVERRIDE_H__
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#define __PLATFORM_OVERRIDE_H__
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#include <sbi/sbi_ecall.h>
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#include <sbi/sbi_hart.h>
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#include <sbi/sbi_types.h>
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#include <sbi/sbi_trap.h>
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struct platform_override {
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const struct fdt_match *match_table;
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int (*init)(const void *fdt, int nodeoff,
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const struct fdt_match *match);
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u64 (*features)(const struct fdt_match *match);
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u64 (*tlbr_flush_limit)(const struct fdt_match *match);
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u32 (*tlb_num_entries)(const struct fdt_match *match);
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bool (*cold_boot_allowed)(u32 hartid, const struct fdt_match *match);
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int (*early_init)(bool cold_boot, const void *fdt, const struct fdt_match *match);
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int (*final_init)(bool cold_boot, void *fdt, const struct fdt_match *match);
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void (*early_exit)(const struct fdt_match *match);
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void (*final_exit)(const struct fdt_match *match);
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int (*fdt_fixup)(void *fdt, const struct fdt_match *match);
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int (*extensions_init)(const struct fdt_match *match,
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struct sbi_hart_features *hfeatures);
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int (*pmu_init)(const struct fdt_match *match);
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int (*vendor_ext_provider)(long funcid,
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struct sbi_trap_regs *regs,
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struct sbi_ecall_return *out,
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const struct fdt_match *match);
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};
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#endif
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