1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2011, 2012, 2013
4 * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
5 * Alexander Potashev, Emcraft Systems, aspotashev@emcraft.com
6 * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
7 * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com
8 *
9 * (C) Copyright 2015
10 * Kamil Lulko, <kamil.lulko@gmail.com>
11 */
12
13 #include <common.h>
14 #include <dm.h>
15
16 #include <asm/io.h>
17 #include <asm/arch/stm32.h>
18
19 DECLARE_GLOBAL_DATA_PTR;
20
dram_init(void)21 int dram_init(void)
22 {
23 int rv;
24 struct udevice *dev;
25
26 rv = uclass_get_device(UCLASS_RAM, 0, &dev);
27 if (rv) {
28 debug("DRAM init failed: %d\n", rv);
29 return rv;
30 }
31
32 if (fdtdec_setup_memory_size() != 0)
33 rv = -EINVAL;
34
35 return rv;
36 }
37
dram_init_banksize(void)38 int dram_init_banksize(void)
39 {
40 fdtdec_setup_memory_banksize();
41
42 return 0;
43 }
44
get_board_rev(void)45 u32 get_board_rev(void)
46 {
47 return 0;
48 }
49
board_early_init_f(void)50 int board_early_init_f(void)
51 {
52 return 0;
53 }
54
board_init(void)55 int board_init(void)
56 {
57 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
58
59 return 0;
60 }
61
62 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)63 int misc_init_r(void)
64 {
65 char serialno[25];
66 uint32_t u_id_low, u_id_mid, u_id_high;
67
68 if (!env_get("serial#")) {
69 u_id_low = readl(&STM32_U_ID->u_id_low);
70 u_id_mid = readl(&STM32_U_ID->u_id_mid);
71 u_id_high = readl(&STM32_U_ID->u_id_high);
72 sprintf(serialno, "%08x%08x%08x",
73 u_id_high, u_id_mid, u_id_low);
74 env_set("serial#", serialno);
75 }
76
77 return 0;
78 }
79 #endif
80