xref: /openbmc/u-boot/arch/sandbox/cpu/cpu.c (revision 77ea071f)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  * See file CREDITS for list of people who contributed to this
4  * project.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19  * MA 02111-1307 USA
20  */
21 
22 #include <common.h>
23 #include <os.h>
24 
25 DECLARE_GLOBAL_DATA_PTR;
26 
27 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
28 {
29 	/* This is considered normal termination for now */
30 	os_exit(0);
31 	return 0;
32 }
33 
34 /* delay x useconds */
35 void __udelay(unsigned long usec)
36 {
37 	/* Ignore this for now */
38 }
39 
40 unsigned long timer_get_us(void)
41 {
42 	return 0;
43 }
44 
45 int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
46 {
47 	return -1;
48 }
49 
50 int cleanup_before_linux(void)
51 {
52 	return 0;
53 }
54 
55 void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
56 {
57 	return (void *)(gd->ram_buf + paddr);
58 }
59 
60 void flush_dcache_range(unsigned long start, unsigned long stop)
61 {
62 }
63