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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
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2 | /* |
3 | * Copyright (C) STMicroelectronics SA 2017 | |
4 | * Author(s): Patrice CHOTARD, <[email protected]> for STMicroelectronics. | |
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5 | */ |
6 | ||
7 | #include <common.h> | |
8 | #include <dm.h> | |
09140113 | 9 | #include <env.h> |
691d719d | 10 | #include <init.h> |
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11 | |
12 | #include <asm/io.h> | |
13 | #include <asm/arch/stm32.h> | |
14 | ||
15 | DECLARE_GLOBAL_DATA_PTR; | |
16 | ||
17 | int dram_init(void) | |
18 | { | |
19 | int rv; | |
20 | struct udevice *dev; | |
21 | ||
22 | rv = uclass_get_device(UCLASS_RAM, 0, &dev); | |
23 | if (rv) { | |
24 | debug("DRAM init failed: %d\n", rv); | |
25 | return rv; | |
26 | } | |
27 | ||
12308b12 | 28 | if (fdtdec_setup_mem_size_base() != 0) |
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29 | rv = -EINVAL; |
30 | ||
31 | return rv; | |
32 | } | |
33 | ||
34 | int dram_init_banksize(void) | |
35 | { | |
36 | fdtdec_setup_memory_banksize(); | |
37 | ||
38 | return 0; | |
39 | } | |
40 | ||
41 | u32 get_board_rev(void) | |
42 | { | |
43 | return 0; | |
44 | } | |
45 | ||
46 | int board_early_init_f(void) | |
47 | { | |
48 | return 0; | |
49 | } | |
50 | ||
51 | int board_init(void) | |
52 | { | |
725e09b8 | 53 | gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; |
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54 | |
55 | return 0; | |
56 | } | |
57 | ||
58 | #ifdef CONFIG_MISC_INIT_R | |
59 | int misc_init_r(void) | |
60 | { | |
61 | char serialno[25]; | |
62 | u32 u_id_low, u_id_mid, u_id_high; | |
63 | ||
64 | if (!env_get("serial#")) { | |
65 | u_id_low = readl(&STM32_U_ID->u_id_low); | |
66 | u_id_mid = readl(&STM32_U_ID->u_id_mid); | |
67 | u_id_high = readl(&STM32_U_ID->u_id_high); | |
68 | sprintf(serialno, "%08x%08x%08x", | |
69 | u_id_high, u_id_mid, u_id_low); | |
70 | env_set("serial#", serialno); | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | #endif |