xref: /rk3399_rockchip-uboot/arch/sh/cpu/sh3/cpu.c (revision 8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba)
1*8f0fec74SPeter Tyser /*
2*8f0fec74SPeter Tyser  * (C) Copyright 2007
3*8f0fec74SPeter Tyser  * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
4*8f0fec74SPeter Tyser  *
5*8f0fec74SPeter Tyser  * (C) Copyright 2007
6*8f0fec74SPeter Tyser  * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
7*8f0fec74SPeter Tyser  *
8*8f0fec74SPeter Tyser  * See file CREDITS for list of people who contributed to this
9*8f0fec74SPeter Tyser  * project.
10*8f0fec74SPeter Tyser  *
11*8f0fec74SPeter Tyser  * This program is free software; you can redistribute it and/or
12*8f0fec74SPeter Tyser  * modify it under the terms of the GNU General Public License as
13*8f0fec74SPeter Tyser  * published by the Free Software Foundation; either version 2 of
14*8f0fec74SPeter Tyser  * the License, or (at your option) any later version.
15*8f0fec74SPeter Tyser  *
16*8f0fec74SPeter Tyser  * This program is distributed in the hope that it will be useful,
17*8f0fec74SPeter Tyser  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18*8f0fec74SPeter Tyser  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19*8f0fec74SPeter Tyser  * GNU General Public License for more details.
20*8f0fec74SPeter Tyser  *
21*8f0fec74SPeter Tyser  * You should have received a copy of the GNU General Public License
22*8f0fec74SPeter Tyser  * along with this program; if not, write to the Free Software
23*8f0fec74SPeter Tyser  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24*8f0fec74SPeter Tyser  * MA 02111-1307 USA
25*8f0fec74SPeter Tyser  */
26*8f0fec74SPeter Tyser 
27*8f0fec74SPeter Tyser #include <common.h>
28*8f0fec74SPeter Tyser #include <command.h>
29*8f0fec74SPeter Tyser #include <asm/processor.h>
30*8f0fec74SPeter Tyser 
31*8f0fec74SPeter Tyser int checkcpu(void)
32*8f0fec74SPeter Tyser {
33*8f0fec74SPeter Tyser 	puts("CPU: SH3\n");
34*8f0fec74SPeter Tyser 	return 0;
35*8f0fec74SPeter Tyser }
36*8f0fec74SPeter Tyser 
37*8f0fec74SPeter Tyser int cpu_init(void)
38*8f0fec74SPeter Tyser {
39*8f0fec74SPeter Tyser 	return 0;
40*8f0fec74SPeter Tyser }
41*8f0fec74SPeter Tyser 
42*8f0fec74SPeter Tyser int cleanup_before_linux(void)
43*8f0fec74SPeter Tyser {
44*8f0fec74SPeter Tyser 	disable_interrupts();
45*8f0fec74SPeter Tyser 	return 0;
46*8f0fec74SPeter Tyser }
47*8f0fec74SPeter Tyser 
48*8f0fec74SPeter Tyser int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
49*8f0fec74SPeter Tyser {
50*8f0fec74SPeter Tyser 	disable_interrupts();
51*8f0fec74SPeter Tyser 	reset_cpu(0);
52*8f0fec74SPeter Tyser 	return 0;
53*8f0fec74SPeter Tyser }
54*8f0fec74SPeter Tyser 
55*8f0fec74SPeter Tyser void flush_cache(unsigned long addr, unsigned long size)
56*8f0fec74SPeter Tyser {
57*8f0fec74SPeter Tyser 
58*8f0fec74SPeter Tyser }
59*8f0fec74SPeter Tyser 
60*8f0fec74SPeter Tyser void icache_enable(void)
61*8f0fec74SPeter Tyser {
62*8f0fec74SPeter Tyser }
63*8f0fec74SPeter Tyser 
64*8f0fec74SPeter Tyser void icache_disable(void)
65*8f0fec74SPeter Tyser {
66*8f0fec74SPeter Tyser }
67*8f0fec74SPeter Tyser 
68*8f0fec74SPeter Tyser int icache_status(void)
69*8f0fec74SPeter Tyser {
70*8f0fec74SPeter Tyser 	return 0;
71*8f0fec74SPeter Tyser }
72*8f0fec74SPeter Tyser 
73*8f0fec74SPeter Tyser void dcache_enable(void)
74*8f0fec74SPeter Tyser {
75*8f0fec74SPeter Tyser }
76*8f0fec74SPeter Tyser 
77*8f0fec74SPeter Tyser void dcache_disable(void)
78*8f0fec74SPeter Tyser {
79*8f0fec74SPeter Tyser }
80*8f0fec74SPeter Tyser 
81*8f0fec74SPeter Tyser int dcache_status(void)
82*8f0fec74SPeter Tyser {
83*8f0fec74SPeter Tyser 	return 0;
84*8f0fec74SPeter Tyser }
85