1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2018 MediaTek Inc.
4 */
5
6#include <common.h>
7#include <init.h>
8#include <asm/global_data.h>
9#include <linux/io.h>
10#include <linux/sizes.h>
11#include <asm/arch/misc.h>
12
13#include "preloader.h"
14
15DECLARE_GLOBAL_DATA_PTR;
16
17struct boot_argument *preloader_param;
18
19int mtk_soc_early_init(void)
20{
21	return 0;
22}
23
24int dram_init(void)
25{
26	u32 i;
27
28	if (((size_t)preloader_param >= CFG_SYS_SDRAM_BASE) &&
29	    ((size_t)preloader_param % sizeof(size_t) == 0) &&
30	    preloader_param->magic == BOOT_ARGUMENT_MAGIC &&
31	    preloader_param->dram_rank_num <=
32	    ARRAY_SIZE(preloader_param->dram_rank_size)) {
33		gd->ram_size = 0;
34
35		for (i = 0; i < preloader_param->dram_rank_num; i++)
36			gd->ram_size += preloader_param->dram_rank_size[i];
37	} else {
38		gd->ram_size = get_ram_size((long *)CFG_SYS_SDRAM_BASE,
39					    SZ_2G);
40	}
41
42	return 0;
43}
44
45int print_cpuinfo(void)
46{
47	void __iomem *chipid;
48	u32 swver;
49
50	chipid = ioremap(VER_BASE, VER_SIZE);
51	swver = readl(chipid + APSW_VER);
52
53	printf("CPU:   MediaTek MT7623 E%d\n", (swver & 0xf) + 1);
54
55	return 0;
56}
57