// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2009 Lemote Inc.
 * Author: Wu Zhangjin, wuzhangjin@gmail.com
 *
 * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org>
 */
#include <linux/errno.h>
#include <asm/bootinfo.h>

#include <loongson.h>
#include <machine.h>

/* please ensure the length of the machtype string is less than 50 */
#define MACHTYPE_LEN 50

static const char *system_types[] = {
        [MACH_LOONGSON_UNKNOWN] = "unknown loongson machine",
        [MACH_LEMOTE_FL2E]      = "lemote-fuloong-2e-box",
        [MACH_LEMOTE_FL2F]      = "lemote-fuloong-2f-box",
        [MACH_LEMOTE_ML2F7]     = "lemote-mengloong-2f-7inches",
        [MACH_LEMOTE_YL2F89]    = "lemote-yeeloong-2f-8.9inches",
        [MACH_DEXXON_GDIUM2F10] = "dexxon-gdium-2f",
        [MACH_LEMOTE_NAS]       = "lemote-nas-2f",
        [MACH_LEMOTE_LL2F]      = "lemote-lynloong-2f",
        [MACH_LOONGSON_END]     = NULL,
};

const char *get_system_type(void)
{
        return system_types[mips_machtype];
}

void __weak __init mach_prom_init_machtype(void)
{
}

void __init prom_init_machtype(void)
{
        char *p, str[MACHTYPE_LEN + 1];
        int machtype = MACH_LEMOTE_FL2E;

        mips_machtype = LOONGSON_MACHTYPE;

        p = strstr(arcs_cmdline, "machtype=");
        if (!p) {
                mach_prom_init_machtype();
                return;
        }
        p += strlen("machtype=");
        strscpy(str, p);
        p = strstr(str, " ");
        if (p)
                *p = '\0';

        for (; system_types[machtype]; machtype++)
                if (strstr(system_types[machtype], str)) {
                        mips_machtype = machtype;
                        break;
                }
}