1 /*
2 * Copyright (C) 2008 Aurelien Jarno <aurelien@aurel32.net>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
8 *
9 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
10 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
12 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
13 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
14 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
15 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
16 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
17 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
18 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 #include <linux/types.h>
26 #include <linux/pci.h>
27 #include <linux/ssb/ssb.h>
28 #include <linux/bcma/bcma.h>
29 #include <bcm47xx.h>
30
31 int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
32 {
33 return 0;
34 }
35
36 #ifdef CONFIG_BCM47XX_SSB
37 static int bcm47xx_pcibios_plat_dev_init_ssb(struct pci_dev *dev)
38 {
39 int res;
40 u8 slot, pin;
41
42 res = ssb_pcibios_plat_dev_init(dev);
43 if (res < 0) {
44 printk(KERN_ALERT "PCI: Failed to init device %s\n",
45 pci_name(dev));
46 return res;
47 }
48
49 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
50 slot = PCI_SLOT(dev->devfn);
51 res = ssb_pcibios_map_irq(dev, slot, pin);
52
53 /* IRQ-0 and IRQ-1 are software interrupts. */
54 if (res < 2) {
55 printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
56 pci_name(dev));
57 return res;
58 }
59
60 dev->irq = res;
61 return 0;
62 }
63 #endif
64
65 #ifdef CONFIG_BCM47XX_BCMA
66 static int bcm47xx_pcibios_plat_dev_init_bcma(struct pci_dev *dev)
67 {
68 int res;
69
70 res = bcma_core_pci_plat_dev_init(dev);
71 if (res < 0) {
72 printk(KERN_ALERT "PCI: Failed to init device %s\n",
73 pci_name(dev));
74 return res;
75 }
76
77 res = bcma_core_pci_pcibios_map_irq(dev);
78
79 /* IRQ-0 and IRQ-1 are software interrupts. */
80 if (res < 2) {
81 printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
82 pci_name(dev));
83 return res;
84 }
85
86 dev->irq = res;
87 return 0;
88 }
89 #endif
90
91 int pcibios_plat_dev_init(struct pci_dev *dev)
92 {
93 #ifdef CONFIG_BCM47XX_SSB
94 if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_SSB)
95 return bcm47xx_pcibios_plat_dev_init_ssb(dev);
96 else
97 #endif
98 #ifdef CONFIG_BCM47XX_BCMA
99 if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA)
100 return bcm47xx_pcibios_plat_dev_init_bcma(dev);
101 else
102 #endif
103 return 0;
104 }