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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 StarFive
*
* Authors:
* Wei Liang Lim <weiliang.lim@starfivetech.com>
*/
#include <libfdt.h>
#include <platform_override.h>
#include <sbi_utils/fdt/fdt_helper.h>
static u32 selected_hartid = -1;
static bool starfive_jh7110_cold_boot_allowed(u32 hartid,
const struct fdt_match *match)
{
if (selected_hartid != -1)
return (selected_hartid == hartid);
return true;
}
static void starfive_jh7110_fw_init(void *fdt, const struct fdt_match *match)
{
const fdt32_t *val;
int len, coff;
coff = fdt_path_offset(fdt, "/chosen");
if (-1 < coff) {
val = fdt_getprop(fdt, coff, "starfive,boot-hart-id", &len);
if (val && len >= sizeof(fdt32_t))
selected_hartid = (u32) fdt32_to_cpu(*val);
}
}
static const struct fdt_match starfive_jh7110_match[] = {
{ .compatible = "starfive,jh7110" },
{ },
};
const struct platform_override starfive_jh7110 = {
.match_table = starfive_jh7110_match,
.cold_boot_allowed = starfive_jh7110_cold_boot_allowed,
.fw_init = starfive_jh7110_fw_init,
};
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