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4f18c6e550
We need to override the remote TLB flush range limit for SiFive FU540 so we add platform override to achieve this. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>
34 lines
822 B
C
34 lines
822 B
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 <platform_override.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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static u64 sifive_fu540_tlbr_flush_limit(const struct fdt_match *match)
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{
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/*
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* The sfence.vma by virtual address does not work on
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* SiFive FU540 so we return remote TLB flush limit as zero.
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*/
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return 0;
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}
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static const struct fdt_match sifive_fu540_match[] = {
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{ .compatible = "sifive,fu540" },
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{ .compatible = "sifive,fu540g" },
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{ .compatible = "sifive,fu540-c000" },
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{ .compatible = "sifive,hifive-unleashed-a00" },
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{ },
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};
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const struct platform_override sifive_fu540 = {
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.match_table = sifive_fu540_match,
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.tlbr_flush_limit = sifive_fu540_tlbr_flush_limit,
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};
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