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e23b19f4 PC |
1 | /* |
2 | * Copyright (C) 2018, STMicroelectronics - All Rights Reserved | |
3 | * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics. | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
9 | #include <dm.h> | |
10 | ||
11 | #include <asm/io.h> | |
12 | #include <asm/arch/stm32.h> | |
13 | ||
14 | DECLARE_GLOBAL_DATA_PTR; | |
15 | ||
16 | int dram_init(void) | |
17 | { | |
18 | int rv; | |
19 | struct udevice *dev; | |
20 | ||
21 | rv = uclass_get_device(UCLASS_RAM, 0, &dev); | |
22 | if (rv) { | |
23 | debug("DRAM init failed: %d\n", rv); | |
24 | return rv; | |
25 | } | |
26 | ||
27 | if (fdtdec_setup_memory_size() != 0) | |
28 | rv = -EINVAL; | |
29 | ||
30 | return rv; | |
31 | } | |
32 | ||
33 | int dram_init_banksize(void) | |
34 | { | |
35 | fdtdec_setup_memory_banksize(); | |
36 | ||
37 | return 0; | |
38 | } | |
39 | ||
40 | u32 get_board_rev(void) | |
41 | { | |
42 | return 0; | |
43 | } | |
44 | ||
45 | int board_early_init_f(void) | |
46 | { | |
47 | return 0; | |
48 | } | |
49 | ||
50 | int board_init(void) | |
51 | { | |
52 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
57 | #ifdef CONFIG_MISC_INIT_R | |
58 | int misc_init_r(void) | |
59 | { | |
60 | char serialno[25]; | |
61 | u32 u_id_low, u_id_mid, u_id_high; | |
62 | ||
63 | if (!env_get("serial#")) { | |
64 | u_id_low = readl(&STM32_U_ID->u_id_low); | |
65 | u_id_mid = readl(&STM32_U_ID->u_id_mid); | |
66 | u_id_high = readl(&STM32_U_ID->u_id_high); | |
67 | sprintf(serialno, "%08x%08x%08x", | |
68 | u_id_high, u_id_mid, u_id_low); | |
69 | env_set("serial#", serialno); | |
70 | } | |
71 | ||
72 | return 0; | |
73 | } | |
74 | #endif |