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
dram_init(void)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
dram_init_banksize(void)32 int dram_init_banksize(void)
33 {
34 fdtdec_setup_memory_banksize();
35
36 return 0;
37 }
38
get_board_rev(void)39 u32 get_board_rev(void)
40 {
41 return 0;
42 }
43
board_early_init_f(void)44 int board_early_init_f(void)
45 {
46 return 0;
47 }
48
board_init(void)49 int board_init(void)
50 {
51 gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
52
53 return 0;
54 }
55
56 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)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