xref: /openbmc/u-boot/arch/x86/cpu/x86_64/cpu.c (revision 60853a9b)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2016 Google, Inc
4  * Written by Simon Glass <sjg@chromium.org>
5  */
6 
7 #include <common.h>
8 #include <debug_uart.h>
9 
10 /*
11  * Global declaration of gd.
12  *
13  * As we write to it before relocation we have to make sure it is not put into
14  * a .bss section which may overlap a .rela section. Initialization forces it
15  * into a .data section which cannot overlap any .rela section.
16  */
17 struct global_data *global_data_ptr = (struct global_data *)~0;
18 
19 void arch_setup_gd(gd_t *new_gd)
20 {
21 	global_data_ptr = new_gd;
22 }
23 
24 int cpu_has_64bit(void)
25 {
26 	return true;
27 }
28 
29 void enable_caches(void)
30 {
31 	/* Not implemented */
32 }
33 
34 void disable_caches(void)
35 {
36 	/* Not implemented */
37 }
38 
39 int dcache_status(void)
40 {
41 	return true;
42 }
43 
44 int x86_mp_init(void)
45 {
46 	/* Not implemented */
47 	return 0;
48 }
49 
50 int misc_init_r(void)
51 {
52 	return 0;
53 }
54 
55 int checkcpu(void)
56 {
57 	return 0;
58 }
59 
60 int print_cpuinfo(void)
61 {
62 	return 0;
63 }
64