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1da177e4 LT |
1 | /* |
2 | * | |
3 | * BRIEF MODULE DESCRIPTION | |
4 | * Alchemy Pb1550 board setup. | |
5 | * | |
6 | * Copyright 2000 MontaVista Software Inc. | |
7 | * Author: MontaVista Software, Inc. | |
8 | * ppopov@mvista.com or source@mvista.com | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
16 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
17 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | |
18 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
21 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
22 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 | * | |
26 | * You should have received a copy of the GNU General Public License along | |
27 | * with this program; if not, write to the Free Software Foundation, Inc., | |
28 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
29 | */ | |
30 | #include <linux/init.h> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/ioport.h> | |
33 | #include <linux/mm.h> | |
34 | #include <linux/console.h> | |
35 | #include <linux/mc146818rtc.h> | |
36 | #include <linux/delay.h> | |
37 | ||
38 | #include <asm/cpu.h> | |
39 | #include <asm/bootinfo.h> | |
40 | #include <asm/irq.h> | |
41 | #include <asm/mipsregs.h> | |
42 | #include <asm/reboot.h> | |
43 | #include <asm/pgtable.h> | |
44 | #include <asm/mach-au1x00/au1000.h> | |
45 | #include <asm/mach-pb1x00/pb1550.h> | |
46 | ||
49a89efb | 47 | void board_reset(void) |
1da177e4 LT |
48 | { |
49 | /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ | |
50 | au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C); | |
51 | } | |
52 | ||
53 | void __init board_setup(void) | |
54 | { | |
55 | u32 pin_func; | |
56 | ||
57 | /* Enable PSC1 SYNC for AC97. Normaly done in audio driver, | |
58 | * but it is board specific code, so put it here. | |
59 | */ | |
60 | pin_func = au_readl(SYS_PINFUNC); | |
61 | au_sync(); | |
62 | pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; | |
63 | au_writel(pin_func, SYS_PINFUNC); | |
64 | ||
65 | au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */ | |
66 | au_sync(); | |
67 | ||
68 | printk("AMD Alchemy Pb1550 Board\n"); | |
69 | } |