cpu.c
1.35 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <debug_uart.h>
/*
* Global declaration of gd.
*
* As we write to it before relocation we have to make sure it is not put into
* a .bss section which may overlap a .rela section. Initialization forces it
* into a .data section which cannot overlap any .rela section.
*/
struct global_data *global_data_ptr = (struct global_data *)~0;
void arch_setup_gd(gd_t *new_gd)
{
global_data_ptr = new_gd;
/*
* TODO(sjg@chromium.org): For some reason U-Boot does not boot
* without this line. It fails to start up U-Boot proper and instead
* restarts SPL. Need to figure out why:
*
* U-Boot SPL 2017.01
*
* U-Boot SPL 2017.01
* CPU: Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz
* Trying to boot from SPIJumping to 64-bit U-Boot: Note many
* features are missing
*
* U-Boot SPL 2017.01
*/
#ifdef CONFIG_DEBUG_UART
printch(' ');
#endif
}
int cpu_has_64bit(void)
{
return true;
}
void enable_caches(void)
{
/* Not implemented */
}
void disable_caches(void)
{
/* Not implemented */
}
int dcache_status(void)
{
return true;
}
int x86_mp_init(void)
{
/* Not implemented */
return 0;
}
int misc_init_r(void)
{
return 0;
}
int checkcpu(void)
{
return 0;
}
int print_cpuinfo(void)
{
return 0;
}