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
17 DECLARE_GLOBAL_DATA_PTR;
18
dram_init(void)19 int 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
dram_init_banksize(void)36 int dram_init_banksize(void)
37 {
38 fdtdec_setup_memory_banksize();
39
40 return 0;
41 }
42
get_board_rev(void)43 u32 get_board_rev(void)
44 {
45 return 0;
46 }
47
board_init(void)48 int board_init(void)
49 {
50 gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
51
52 return 0;
53 }
54
55 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)56 int misc_init_r(void)
57 {
58 char serialno[25];
59 u32 u_id_low, u_id_mid, u_id_high;
60
61 if (!env_get("serial#")) {
62 u_id_low = readl(&STM32_U_ID->u_id_low);
63 u_id_mid = readl(&STM32_U_ID->u_id_mid);
64 u_id_high = readl(&STM32_U_ID->u_id_high);
65 sprintf(serialno, "%08x%08x%08x",
66 u_id_high, u_id_mid, u_id_low);
67 env_set("serial#", serialno);
68 }
69
70 return 0;
71 }
72 #endif
73