Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * PCI support for SBS Palomar IV |
3 | * | |
4 | * Author: Dan Cox | |
5 | * | |
6 | * 2002 (c) MontaVista, Software, Inc. This file is licensed under | |
7 | * the terms of the GNU General Public License version 2. This program | |
8 | * is licensed "as is" without any warranty of any kind, whether express | |
9 | * or implied. | |
10 | */ | |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/pci.h> | |
15 | ||
16 | #include <asm/byteorder.h> | |
17 | #include <asm/machdep.h> | |
18 | #include <asm/io.h> | |
19 | #include <asm/pci-bridge.h> | |
20 | #include <asm/uaccess.h> | |
21 | ||
22 | #include <syslib/cpc700.h> | |
23 | ||
24 | #include "pal4.h" | |
25 | ||
26 | /* not much to this.... */ | |
27 | static inline int __init | |
28 | pal4_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) | |
29 | { | |
30 | if (idsel == 9) | |
31 | return PAL4_ETH; | |
32 | else | |
33 | return PAL4_INTA + (idsel - 3); | |
34 | } | |
35 | ||
36 | void __init | |
37 | pal4_find_bridges(void) | |
38 | { | |
39 | struct pci_controller *hose; | |
40 | ||
41 | hose = pcibios_alloc_controller(); | |
42 | if (!hose) | |
43 | return; | |
44 | ||
45 | hose->first_busno = 0; | |
46 | hose->last_busno = 0xff; | |
47 | hose->pci_mem_offset = 0; | |
48 | ||
49 | /* Could snatch these from the CPC700.... */ | |
50 | pci_init_resource(&hose->io_resource, | |
51 | 0x0, | |
52 | 0x03ffffff, | |
53 | IORESOURCE_IO, | |
54 | "PCI host bridge"); | |
55 | ||
56 | pci_init_resource(&hose->mem_resources[0], | |
57 | 0x90000000, | |
58 | 0x9fffffff, | |
59 | IORESOURCE_MEM, | |
60 | "PCI host bridge"); | |
61 | ||
62 | hose->io_space.start = 0x00800000; | |
63 | hose->io_space.end = 0x03ffffff; | |
64 | hose->mem_space.start = 0x90000000; | |
65 | hose->mem_space.end = 0x9fffffff; | |
66 | hose->io_base_virt = (void *) 0xf8000000; | |
67 | ||
68 | setup_indirect_pci(hose, CPC700_PCI_CONFIG_ADDR, | |
69 | CPC700_PCI_CONFIG_DATA); | |
70 | ||
71 | hose->last_busno = pciauto_bus_scan(hose, hose->first_busno); | |
72 | ||
73 | ppc_md.pci_swizzle = common_swizzle; | |
74 | ppc_md.pci_map_irq = pal4_map_irq; | |
75 | } |