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8020df8733
Add Starfive JH7110 platform implementation Signed-off-by: Wei Liang Lim <weiliang.lim@starfivetech.com> Reviewed-by: Chee Hong Ang <cheehong.ang@starfivetech.com> Reviewed-by: Jun Liang Tan <junliang.tan@starfivetech.com> Reviewed-by: Anup Patel <anup@brainfault.org>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2022 StarFive
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*
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* Authors:
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* Wei Liang Lim <weiliang.lim@starfivetech.com>
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*/
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#include <libfdt.h>
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#include <platform_override.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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static u32 selected_hartid = -1;
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static bool starfive_jh7110_cold_boot_allowed(u32 hartid,
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const struct fdt_match *match)
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{
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if (selected_hartid != -1)
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return (selected_hartid == hartid);
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return true;
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}
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static void starfive_jh7110_fw_init(void *fdt, const struct fdt_match *match)
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{
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const fdt32_t *val;
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int len, coff;
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coff = fdt_path_offset(fdt, "/chosen");
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if (-1 < coff) {
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val = fdt_getprop(fdt, coff, "starfive,boot-hart-id", &len);
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if (val && len >= sizeof(fdt32_t))
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selected_hartid = (u32) fdt32_to_cpu(*val);
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}
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}
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static const struct fdt_match starfive_jh7110_match[] = {
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{ .compatible = "starfive,jh7110" },
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{ },
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};
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const struct platform_override starfive_jh7110 = {
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.match_table = starfive_jh7110_match,
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.cold_boot_allowed = starfive_jh7110_cold_boot_allowed,
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.fw_init = starfive_jh7110_fw_init,
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};
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