diff options
Diffstat (limited to 'arch/arm/mach-iop3xx/iq80321-pci.c')
-rw-r--r-- | arch/arm/mach-iop3xx/iq80321-pci.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/arm/mach-iop3xx/iq80321-pci.c b/arch/arm/mach-iop3xx/iq80321-pci.c deleted file mode 100644 index d9758d3f6e7f..000000000000 --- a/arch/arm/mach-iop3xx/iq80321-pci.c +++ /dev/null | |||
@@ -1,123 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-iop3xx/iq80321-pci.c | ||
3 | * | ||
4 | * PCI support for the Intel IQ80321 reference board | ||
5 | * | ||
6 | * Author: Rory Bolt <rorybolt@pacbell.net> | ||
7 | * Copyright (C) 2002 Rory Bolt | ||
8 | * Copyright (C) 2004 Intel Corp. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published by the Free Software Foundation. | ||
13 | */ | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/pci.h> | ||
16 | #include <linux/init.h> | ||
17 | #include <linux/string.h> | ||
18 | #include <linux/slab.h> | ||
19 | |||
20 | #include <asm/hardware.h> | ||
21 | #include <asm/irq.h> | ||
22 | #include <asm/mach/pci.h> | ||
23 | #include <asm/mach-types.h> | ||
24 | |||
25 | /* | ||
26 | * The following macro is used to lookup irqs in a standard table | ||
27 | * format for those systems that do not already have PCI | ||
28 | * interrupts properly routed. We assume 1 <= pin <= 4 | ||
29 | */ | ||
30 | #define PCI_IRQ_TABLE_LOOKUP(minid,maxid) \ | ||
31 | ({ int _ctl_ = -1; \ | ||
32 | unsigned int _idsel = idsel - minid; \ | ||
33 | if (_idsel <= maxid) \ | ||
34 | _ctl_ = pci_irq_table[_idsel][pin-1]; \ | ||
35 | _ctl_; }) | ||
36 | |||
37 | #define INTA IRQ_IQ80321_INTA | ||
38 | #define INTB IRQ_IQ80321_INTB | ||
39 | #define INTC IRQ_IQ80321_INTC | ||
40 | #define INTD IRQ_IQ80321_INTD | ||
41 | |||
42 | #define INTE IRQ_IQ80321_I82544 | ||
43 | |||
44 | static inline int __init | ||
45 | iq80321_map_irq(struct pci_dev *dev, u8 idsel, u8 pin) | ||
46 | { | ||
47 | static int pci_irq_table[][4] = { | ||
48 | /* | ||
49 | * PCI IDSEL/INTPIN->INTLINE | ||
50 | * A B C D | ||
51 | */ | ||
52 | {INTE, INTE, INTE, INTE}, /* Gig-E */ | ||
53 | {-1, -1, -1, -1}, /* Unused */ | ||
54 | {INTC, INTD, INTA, INTB}, /* PCI-X Slot */ | ||
55 | {-1, -1, -1, -1}, | ||
56 | }; | ||
57 | |||
58 | BUG_ON(pin < 1 || pin > 4); | ||
59 | |||
60 | // return PCI_IRQ_TABLE_LOOKUP(4, 7); | ||
61 | return pci_irq_table[idsel%4][pin-1]; | ||
62 | } | ||
63 | |||
64 | static int iq80321_setup(int nr, struct pci_sys_data *sys) | ||
65 | { | ||
66 | struct resource *res; | ||
67 | |||
68 | if(nr != 0) | ||
69 | return 0; | ||
70 | |||
71 | res = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL); | ||
72 | if (!res) | ||
73 | panic("PCI: unable to alloc resources"); | ||
74 | |||
75 | res[0].start = IOP321_PCI_LOWER_IO_VA; | ||
76 | res[0].end = IOP321_PCI_UPPER_IO_VA; | ||
77 | res[0].name = "IQ80321 PCI I/O Space"; | ||
78 | res[0].flags = IORESOURCE_IO; | ||
79 | |||
80 | res[1].start = IOP321_PCI_LOWER_MEM_PA; | ||
81 | res[1].end = IOP321_PCI_UPPER_MEM_PA; | ||
82 | res[1].name = "IQ80321 PCI Memory Space"; | ||
83 | res[1].flags = IORESOURCE_MEM; | ||
84 | |||
85 | request_resource(&ioport_resource, &res[0]); | ||
86 | request_resource(&iomem_resource, &res[1]); | ||
87 | |||
88 | sys->mem_offset = IOP321_PCI_MEM_OFFSET; | ||
89 | sys->io_offset = IOP321_PCI_IO_OFFSET; | ||
90 | |||
91 | sys->resource[0] = &res[0]; | ||
92 | sys->resource[1] = &res[1]; | ||
93 | sys->resource[2] = NULL; | ||
94 | |||
95 | return 1; | ||
96 | } | ||
97 | |||
98 | static void iq80321_preinit(void) | ||
99 | { | ||
100 | iop321_init(); | ||
101 | } | ||
102 | |||
103 | static struct hw_pci iq80321_pci __initdata = { | ||
104 | .swizzle = pci_std_swizzle, | ||
105 | .nr_controllers = 1, | ||
106 | .setup = iq80321_setup, | ||
107 | .scan = iop321_scan_bus, | ||
108 | .preinit = iq80321_preinit, | ||
109 | .map_irq = iq80321_map_irq | ||
110 | }; | ||
111 | |||
112 | static int __init iq80321_pci_init(void) | ||
113 | { | ||
114 | if (machine_is_iq80321()) | ||
115 | pci_common_init(&iq80321_pci); | ||
116 | return 0; | ||
117 | } | ||
118 | |||
119 | subsys_initcall(iq80321_pci_init); | ||
120 | |||
121 | |||
122 | |||
123 | |||