3 * BRIEF MODULE DESCRIPTION
4 * Alchemy Pb1550 board setup.
6 * Copyright 2000 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 * ppopov@mvista.com or source@mvista.com
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.
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.
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.
30 #include <linux/init.h>
31 #include <linux/sched.h>
32 #include <linux/ioport.h>
34 #include <linux/console.h>
35 #include <linux/mc146818rtc.h>
36 #include <linux/delay.h>
39 #include <asm/bootinfo.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>
47 void board_reset(void)
49 /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
50 au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C);
53 void __init board_setup(void)
57 /* Enable PSC1 SYNC for AC97. Normaly done in audio driver,
58 * but it is board specific code, so put it here.
60 pin_func = au_readl(SYS_PINFUNC);
62 pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
63 au_writel(pin_func, SYS_PINFUNC);
65 au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
68 printk("AMD Alchemy Pb1550 Board\n");