blob: bda03b5ea50d6290a5818b494db664ac42580abe [file] [log] [blame]
Giulio Benetti8d9c0762020-01-10 15:51:48 +01001// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2019
4 * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
5 */
6
7#include <common.h>
8#include <dm.h>
9#include <ram.h>
10#include <spl.h>
11#include <asm/io.h>
12#include <asm/armv7m.h>
13
14DECLARE_GLOBAL_DATA_PTR;
15
16int dram_init(void)
17{
18#ifndef CONFIG_SUPPORT_SPL
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
28#endif
29 return fdtdec_setup_mem_size_base();
30}
31
32int dram_init_banksize(void)
33{
34 return fdtdec_setup_memory_banksize();
35}
36
37#ifdef CONFIG_SPL_BUILD
38#ifdef CONFIG_SPL_OS_BOOT
39int spl_start_uboot(void)
40{
41 debug("SPL: booting kernel\n");
42 /* break into full u-boot on 'c' */
43 return serial_tstc() && serial_getc() == 'c';
44}
45#endif
46
47int spl_dram_init(void)
48{
49 struct udevice *dev;
50 int rv;
51
52 rv = uclass_get_device(UCLASS_RAM, 0, &dev);
53 if (rv)
54 debug("DRAM init failed: %d\n", rv);
55 return rv;
56}
57
58void spl_board_init(void)
59{
60 spl_dram_init();
61 preloader_console_init();
62 arch_cpu_init(); /* to configure mpu for sdram rw permissions */
63}
64
65u32 spl_boot_device(void)
66{
67 return BOOT_DEVICE_MMC1;
68}
69#endif
70
71u32 get_board_rev(void)
72{
73 return 0;
74}
75
76int board_init(void)
77{
78 gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
79
80 return 0;
81}