xref: /rk3399_rockchip-uboot/arch/sandbox/cpu/cpu.c (revision 4b0730d242fd203abfe60aed7d9d978bf6568b01)
1*4b0730d2SSimon Glass /*
2*4b0730d2SSimon Glass  * Copyright (c) 2011 The Chromium OS Authors.
3*4b0730d2SSimon Glass  * See file CREDITS for list of people who contributed to this
4*4b0730d2SSimon Glass  * project.
5*4b0730d2SSimon Glass  *
6*4b0730d2SSimon Glass  * This program is free software; you can redistribute it and/or
7*4b0730d2SSimon Glass  * modify it under the terms of the GNU General Public License as
8*4b0730d2SSimon Glass  * published by the Free Software Foundation; either version 2 of
9*4b0730d2SSimon Glass  * the License, or (at your option) any later version.
10*4b0730d2SSimon Glass  *
11*4b0730d2SSimon Glass  * This program is distributed in the hope that it will be useful,
12*4b0730d2SSimon Glass  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13*4b0730d2SSimon Glass  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*4b0730d2SSimon Glass  * GNU General Public License for more details.
15*4b0730d2SSimon Glass  *
16*4b0730d2SSimon Glass  * You should have received a copy of the GNU General Public License
17*4b0730d2SSimon Glass  * along with this program; if not, write to the Free Software
18*4b0730d2SSimon Glass  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19*4b0730d2SSimon Glass  * MA 02111-1307 USA
20*4b0730d2SSimon Glass  */
21*4b0730d2SSimon Glass 
22*4b0730d2SSimon Glass #include <common.h>
23*4b0730d2SSimon Glass 
24*4b0730d2SSimon Glass DECLARE_GLOBAL_DATA_PTR;
25*4b0730d2SSimon Glass 
26*4b0730d2SSimon Glass int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
27*4b0730d2SSimon Glass {
28*4b0730d2SSimon Glass 	/*
29*4b0730d2SSimon Glass 	 * This is considered normal termination for now. We wil call os_exit()
30*4b0730d2SSimon Glass 	 * when available.
31*4b0730d2SSimon Glass 	 */
32*4b0730d2SSimon Glass 	return 0;
33*4b0730d2SSimon Glass }
34*4b0730d2SSimon Glass 
35*4b0730d2SSimon Glass /* delay x useconds */
36*4b0730d2SSimon Glass void __udelay(unsigned long usec)
37*4b0730d2SSimon Glass {
38*4b0730d2SSimon Glass 	/* Ignore this for now */
39*4b0730d2SSimon Glass }
40*4b0730d2SSimon Glass 
41*4b0730d2SSimon Glass unsigned long timer_get_us(void)
42*4b0730d2SSimon Glass {
43*4b0730d2SSimon Glass 	return 0;
44*4b0730d2SSimon Glass }
45*4b0730d2SSimon Glass 
46*4b0730d2SSimon Glass int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
47*4b0730d2SSimon Glass {
48*4b0730d2SSimon Glass 	return -1;
49*4b0730d2SSimon Glass }
50*4b0730d2SSimon Glass 
51*4b0730d2SSimon Glass int cleanup_before_linux(void)
52*4b0730d2SSimon Glass {
53*4b0730d2SSimon Glass 	return 0;
54*4b0730d2SSimon Glass }
55*4b0730d2SSimon Glass 
56*4b0730d2SSimon Glass void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
57*4b0730d2SSimon Glass {
58*4b0730d2SSimon Glass 	return (void *)(gd->ram_buf + paddr);
59*4b0730d2SSimon Glass }
60*4b0730d2SSimon Glass 
61*4b0730d2SSimon Glass void flush_dcache_range(unsigned long start, unsigned long stop)
62*4b0730d2SSimon Glass {
63*4b0730d2SSimon Glass }
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