1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) STMicroelectronics SA 2017
4  * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 
10 #include <asm/io.h>
11 #include <asm/arch/stm32.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
15 int dram_init(void)
16 {
17 	int rv;
18 	struct udevice *dev;
19 
20 	rv = uclass_get_device(UCLASS_RAM, 0, &dev);
21 	if (rv) {
22 		debug("DRAM init failed: %d\n", rv);
23 		return rv;
24 	}
25 
26 	if (fdtdec_setup_mem_size_base() != 0)
27 		rv = -EINVAL;
28 
29 	return rv;
30 }
31 
32 int dram_init_banksize(void)
33 {
34 	fdtdec_setup_memory_banksize();
35 
36 	return 0;
37 }
38 
39 u32 get_board_rev(void)
40 {
41 	return 0;
42 }
43 
44 int board_early_init_f(void)
45 {
46 	return 0;
47 }
48 
49 int board_init(void)
50 {
51 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
52 
53 	return 0;
54 }
55 
56 #ifdef CONFIG_MISC_INIT_R
57 int misc_init_r(void)
58 {
59 	char serialno[25];
60 	u32 u_id_low, u_id_mid, u_id_high;
61 
62 	if (!env_get("serial#")) {
63 		u_id_low  = readl(&STM32_U_ID->u_id_low);
64 		u_id_mid  = readl(&STM32_U_ID->u_id_mid);
65 		u_id_high = readl(&STM32_U_ID->u_id_high);
66 		sprintf(serialno, "%08x%08x%08x",
67 			u_id_high, u_id_mid, u_id_low);
68 		env_set("serial#", serialno);
69 	}
70 
71 	return 0;
72 }
73 #endif
74