1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
4 * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
5 */
6
7#include <common.h>
8#include <dm.h>
9#include <env.h>
10#include <init.h>
11#include <log.h>
12#include <asm/global_data.h>
13
14#include <asm/io.h>
15#include <asm/arch/stm32.h>
16
17DECLARE_GLOBAL_DATA_PTR;
18
19int dram_init(void)
20{
21	int rv;
22	struct udevice *dev;
23
24	rv = uclass_get_device(UCLASS_RAM, 0, &dev);
25	if (rv) {
26		debug("DRAM init failed: %d\n", rv);
27		return rv;
28	}
29
30	if (fdtdec_setup_mem_size_base() != 0)
31		rv = -EINVAL;
32
33	return rv;
34}
35
36int dram_init_banksize(void)
37{
38	fdtdec_setup_memory_banksize();
39
40	return 0;
41}
42
43int board_init(void)
44{
45	return 0;
46}
47
48#ifdef CONFIG_MISC_INIT_R
49int misc_init_r(void)
50{
51	char serialno[25];
52	u32 u_id_low, u_id_mid, u_id_high;
53
54	if (!env_get("serial#")) {
55		u_id_low  = readl(&STM32_U_ID->u_id_low);
56		u_id_mid  = readl(&STM32_U_ID->u_id_mid);
57		u_id_high = readl(&STM32_U_ID->u_id_high);
58		sprintf(serialno, "%08x%08x%08x",
59			u_id_high, u_id_mid, u_id_low);
60		env_set("serial#", serialno);
61	}
62
63	return 0;
64}
65#endif
66