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
47void board_reset (void)
48{
49    /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
50	au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C);
51}
52
53void __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}
70