3 * BRIEF MODULE DESCRIPTION
4 * Alchemy Pb1550 board setup.
6 * Copyright 2000, 2008 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc. <source@mvista.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/init.h>
31 #include <linux/interrupt.h>
33 #include <asm/mach-au1x00/au1000.h>
34 #include <asm/mach-pb1x00/pb1550.h>
35 #include <asm/mach-db1x00/bcsr.h>
40 char irq_tab_alchemy[][5] __initdata = {
41 [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */
42 [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */
45 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
46 { AU1000_GPIO_0, IRQF_TRIGGER_LOW, 0 },
47 { AU1000_GPIO_1, IRQF_TRIGGER_LOW, 0 },
50 const char *get_system_type(void)
52 return "Alchemy Pb1550";
55 void board_reset(void)
57 bcsr_write(BCSR_SYSTEM, 0);
60 void __init board_init_irq(void)
62 au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map));
65 void __init board_setup(void)
69 bcsr_init(PB1550_BCSR_PHYS_ADDR,
70 PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
73 #ifdef CONFIG_SERIAL_8250_CONSOLE
75 argptr = prom_getcmdline();
76 argptr = strstr(argptr, "console=");
78 argptr = prom_getcmdline();
79 strcat(argptr, " console=ttyS0,115200");
84 * Enable PSC1 SYNC for AC'97. Normaly done in audio driver,
85 * but it is board specific code, so put it here.
87 pin_func = au_readl(SYS_PINFUNC);
89 pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
90 au_writel(pin_func, SYS_PINFUNC);
92 bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */
94 printk(KERN_INFO "AMD Alchemy Pb1550 Board\n");