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931edc6e GB |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * Copyright (C) 2020 | |
4 | * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com> | |
5 | */ | |
6 | ||
d678a59d | 7 | #include <common.h> |
931edc6e | 8 | #include <dm.h> |
09140113 | 9 | #include <init.h> |
f7ae49fc | 10 | #include <log.h> |
931edc6e GB |
11 | #include <ram.h> |
12 | #include <spl.h> | |
401d1c4f | 13 | #include <asm/global_data.h> |
931edc6e GB |
14 | #include <asm/io.h> |
15 | #include <asm/armv7m.h> | |
558331e0 | 16 | #include <serial.h> |
931edc6e GB |
17 | |
18 | DECLARE_GLOBAL_DATA_PTR; | |
19 | ||
20 | int dram_init(void) | |
21 | { | |
22 | #ifndef CONFIG_SUPPORT_SPL | |
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 | #endif | |
33 | return fdtdec_setup_mem_size_base(); | |
34 | } | |
35 | ||
36 | int dram_init_banksize(void) | |
37 | { | |
38 | return fdtdec_setup_memory_banksize(); | |
39 | } | |
40 | ||
41 | #ifdef CONFIG_SPL_BUILD | |
42 | #ifdef CONFIG_SPL_OS_BOOT | |
43 | int spl_start_uboot(void) | |
44 | { | |
45 | debug("SPL: booting kernel\n"); | |
46 | /* break into full u-boot on 'c' */ | |
47 | return serial_tstc() && serial_getc() == 'c'; | |
48 | } | |
49 | #endif | |
50 | ||
51 | int spl_dram_init(void) | |
52 | { | |
53 | struct udevice *dev; | |
54 | int rv; | |
55 | ||
56 | rv = uclass_get_device(UCLASS_RAM, 0, &dev); | |
57 | if (rv) | |
58 | debug("DRAM init failed: %d\n", rv); | |
59 | return rv; | |
60 | } | |
61 | ||
62 | void spl_board_init(void) | |
63 | { | |
931edc6e | 64 | preloader_console_init(); |
45dae4a3 | 65 | spl_dram_init(); |
931edc6e GB |
66 | arch_cpu_init(); /* to configure mpu for sdram rw permissions */ |
67 | } | |
68 | ||
69 | u32 spl_boot_device(void) | |
70 | { | |
71 | return BOOT_DEVICE_MMC1; | |
72 | } | |
73 | #endif | |
74 | ||
931edc6e GB |
75 | int board_init(void) |
76 | { | |
77 | gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; | |
78 | ||
79 | return 0; | |
80 | } |