3 * BRIEF MODULE DESCRIPTION
4 * Board specific pci fixups.
6 * Copyright 2001 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/types.h>
31 #include <asm/txx9/pci.h>
32 #include <asm/txx9/jmr3927.h>
34 int __init
jmr3927_pci_map_irq(const struct pci_dev
*dev
, u8 slot
, u8 pin
)
36 unsigned char irq
= pin
;
38 /* IRQ rotation (PICMG) */
40 if (slot
== TX3927_PCIC_IDSEL_AD_TO_SLOT(23)) {
41 /* PCI CardSlot (IDSEL=A23, DevNu=12) */
42 /* PCIA => PCIC (IDSEL=A23) */
43 /* NOTE: JMR3927 JP1 must be set to OPEN */
45 } else if (slot
== TX3927_PCIC_IDSEL_AD_TO_SLOT(22)) {
46 /* PCI CardSlot (IDSEL=A22, DevNu=11) */
47 /* PCIA => PCIA (IDSEL=A22) */
48 /* NOTE: JMR3927 JP1 must be set to OPEN */
52 if (txx9_pci_option
& TXX9_PCI_OPT_PICMG
)
53 irq
= (irq
+ 33 - slot
) % 4;
55 irq
= (irq
+ 3 + slot
) % 4;
61 irq
= JMR3927_IRQ_IOC_PCIA
;
64 irq
= JMR3927_IRQ_IOC_PCIB
;
67 irq
= JMR3927_IRQ_IOC_PCIC
;
70 irq
= JMR3927_IRQ_IOC_PCID
;
74 /* Check OnBoard Ethernet (IDSEL=A24, DevNu=13) */
75 if (dev
->bus
->parent
== NULL
&&
76 slot
== TX3927_PCIC_IDSEL_AD_TO_SLOT(24))
77 irq
= JMR3927_IRQ_ETHER0
;
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