1 /*
2 * BRIEF MODULE DESCRIPTION
3 * Au1xxx irq map table
4 *
5 * Copyright 2003 Embedded Edge, LLC
6 * dan@embeddededge.com
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28 #include <linux/errno.h>
29 #include <linux/init.h>
30 #include <linux/irq.h>
31 #include <linux/kernel_stat.h>
32 #include <linux/module.h>
33 #include <linux/signal.h>
34 #include <linux/sched.h>
35 #include <linux/types.h>
36 #include <linux/interrupt.h>
37 #include <linux/ioport.h>
38 #include <linux/timex.h>
39 #include <linux/slab.h>
40 #include <linux/random.h>
41 #include <linux/delay.h>
42
43 #include <asm/bitops.h>
44 #include <asm/bootinfo.h>
45 #include <asm/io.h>
46 #include <asm/mipsregs.h>
47 #include <asm/system.h>
48 #include <asm/au1000.h>
49
50 au1xxx_irq_map_t au1xxx_irq_map[] = {
51 { AU1000_GPIO_0, INTC_INT_LOW_LEVEL, 0 },
52 { AU1000_GPIO_1, INTC_INT_LOW_LEVEL, 0 },
53 };
54
55 int au1xxx_nr_irqs = sizeof(au1xxx_irq_map)/sizeof(au1xxx_irq_map_t);
56
57
58 #ifdef CONFIG_PCI
59
60 #define INTA AU1550_PCI_INTA
61 #define INTB AU1550_PCI_INTB
62 #define INTC AU1550_PCI_INTC
63 #define INTD AU1550_PCI_INTD
64 #define INTX 0xFF /* invalid */
65
66 int __init
au1xxx_pci_irqmap(struct pci_dev * dev,unsigned char idsel,unsigned char pin)67 au1xxx_pci_irqmap(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
68 {
69 static char pci_irq_table[][4] =
70 /*
71 * PCI IDSEL/INTPIN->INTLINE
72 * A B C D
73 */
74 {
75 {INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */
76 {INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */
77 };
78 const long min_idsel = 12, max_idsel = 13, irqs_per_slot = 4;
79 return PCI_IRQ_TABLE_LOOKUP;
80 };
81 #endif
82
83