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 #include <env.h>
16 #include <init.h>
17 #include <log.h>
18 #include <asm/global_data.h>
19
20 #include <asm/io.h>
21 #include <asm/arch/stm32.h>
22
23 DECLARE_GLOBAL_DATA_PTR;
24
dram_init(void)25 int dram_init(void)
26 {
27 int rv;
28 struct udevice *dev;
29
30 rv = uclass_get_device(UCLASS_RAM, 0, &dev);
31 if (rv) {
32 debug("DRAM init failed: %d\n", rv);
33 return rv;
34 }
35
36 if (fdtdec_setup_mem_size_base() != 0)
37 rv = -EINVAL;
38
39 return rv;
40 }
41
dram_init_banksize(void)42 int dram_init_banksize(void)
43 {
44 fdtdec_setup_memory_banksize();
45
46 return 0;
47 }
48
board_init(void)49 int board_init(void)
50 {
51 return 0;
52 }
53
54 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)55 int misc_init_r(void)
56 {
57 char serialno[25];
58 uint32_t u_id_low, u_id_mid, u_id_high;
59
60 if (!env_get("serial#")) {
61 u_id_low = readl(&STM32_U_ID->u_id_low);
62 u_id_mid = readl(&STM32_U_ID->u_id_mid);
63 u_id_high = readl(&STM32_U_ID->u_id_high);
64 sprintf(serialno, "%08x%08x%08x",
65 u_id_high, u_id_mid, u_id_low);
66 env_set("serial#", serialno);
67 }
68
69 return 0;
70 }
71 #endif
72