diff options
Diffstat (limited to 'arch/mips/pnx8550/jbs/board_setup.c')
-rw-r--r-- | arch/mips/pnx8550/jbs/board_setup.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/mips/pnx8550/jbs/board_setup.c b/arch/mips/pnx8550/jbs/board_setup.c new file mode 100644 index 000000000000..57dd903ca408 --- /dev/null +++ b/arch/mips/pnx8550/jbs/board_setup.c | |||
@@ -0,0 +1,56 @@ | |||
1 | /* | ||
2 | * JBS Specific board startup routines. | ||
3 | * | ||
4 | * Copyright 2005, Embedded Alley Solutions, Inc | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation; either version 2 of the License, or (at your | ||
9 | * option) any later version. | ||
10 | * | ||
11 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
12 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
13 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
14 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
15 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
16 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
17 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
18 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
19 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
20 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
21 | * | ||
22 | * You should have received a copy of the GNU General Public License along | ||
23 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
24 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
25 | */ | ||
26 | #include <linux/init.h> | ||
27 | #include <linux/sched.h> | ||
28 | #include <linux/ioport.h> | ||
29 | #include <linux/mm.h> | ||
30 | #include <linux/console.h> | ||
31 | #include <linux/mc146818rtc.h> | ||
32 | #include <linux/delay.h> | ||
33 | |||
34 | #include <asm/cpu.h> | ||
35 | #include <asm/bootinfo.h> | ||
36 | #include <asm/irq.h> | ||
37 | #include <asm/mipsregs.h> | ||
38 | #include <asm/reboot.h> | ||
39 | #include <asm/pgtable.h> | ||
40 | |||
41 | #include <glb.h> | ||
42 | |||
43 | /* CP0 hazard avoidance. */ | ||
44 | #define BARRIER __asm__ __volatile__(".set noreorder\n\t" \ | ||
45 | "nop; nop; nop; nop; nop; nop;\n\t" \ | ||
46 | ".set reorder\n\t") | ||
47 | |||
48 | void __init board_setup(void) | ||
49 | { | ||
50 | unsigned long configpr; | ||
51 | |||
52 | configpr = read_c0_config7(); | ||
53 | configpr |= (1<<19); /* enable tlb */ | ||
54 | write_c0_config7(configpr); | ||
55 | BARRIER; | ||
56 | } | ||