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 | pci_alert(dev, "PCI: Failed to init device\n" ); |
45 | return res; |
46 | } |
47 | |
48 | pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); |
49 | slot = PCI_SLOT(dev->devfn); |
50 | res = ssb_pcibios_map_irq(dev, slot, pin); |
51 | |
52 | /* IRQ-0 and IRQ-1 are software interrupts. */ |
53 | if (res < 2) { |
54 | pci_alert(dev, "PCI: Failed to map IRQ of device\n" ); |
55 | return res; |
56 | } |
57 | |
58 | dev->irq = res; |
59 | return 0; |
60 | } |
61 | #endif |
62 | |
63 | #ifdef CONFIG_BCM47XX_BCMA |
64 | static int bcm47xx_pcibios_plat_dev_init_bcma(struct pci_dev *dev) |
65 | { |
66 | int res; |
67 | |
68 | res = bcma_core_pci_plat_dev_init(dev); |
69 | if (res < 0) { |
70 | pci_alert(dev, "PCI: Failed to init device\n" ); |
71 | return res; |
72 | } |
73 | |
74 | res = bcma_core_pci_pcibios_map_irq(dev); |
75 | |
76 | /* IRQ-0 and IRQ-1 are software interrupts. */ |
77 | if (res < 2) { |
78 | pci_alert(dev, "PCI: Failed to map IRQ of device\n" ); |
79 | return res; |
80 | } |
81 | |
82 | dev->irq = res; |
83 | return 0; |
84 | } |
85 | #endif |
86 | |
87 | int pcibios_plat_dev_init(struct pci_dev *dev) |
88 | { |
89 | #ifdef CONFIG_BCM47XX_SSB |
90 | if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_SSB) |
91 | return bcm47xx_pcibios_plat_dev_init_ssb(dev); |
92 | #endif |
93 | #ifdef CONFIG_BCM47XX_BCMA |
94 | if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) |
95 | return bcm47xx_pcibios_plat_dev_init_bcma(dev); |
96 | #endif |
97 | return 0; |
98 | } |
99 | |