1 /*
2 *
3 * BRIEF MODULE DESCRIPTION
4 * Alchemy Db1x00 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/config.h>
31 #include <linux/init.h>
32 #include <linux/sched.h>
33 #include <linux/ioport.h>
34 #include <linux/mm.h>
35 #include <linux/console.h>
36 #include <linux/mc146818rtc.h>
37 #include <linux/delay.h>
38
39 #include <asm/cpu.h>
40 #include <asm/bootinfo.h>
41 #include <asm/irq.h>
42 #include <asm/keyboard.h>
43 #include <asm/mipsregs.h>
44 #include <asm/reboot.h>
45 #include <asm/pgtable.h>
46 #include <asm/au1000.h>
47
48 extern struct rtc_ops no_rtc_ops;
49
board_reset(void)50 void board_reset (void)
51 {
52 }
53
board_setup(void)54 void __init board_setup(void)
55 {
56 u32 pin_func;
57
58 rtc_ops = &no_rtc_ops;
59
60 #ifdef CONFIG_AU1X00_USB_DEVICE
61 // 2nd USB port is USB device
62 pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
63 au_writel(pin_func, SYS_PINFUNC);
64 #endif
65
66 #if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
67 /* set IRFIRSEL instead of GPIO15 */
68 pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
69 au_writel(pin_func, SYS_PINFUNC);
70 au_sync();
71 #endif
72
73 printk("AMD Alchemy Hydrogen3 Board\n");
74 }
75