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-rw-r--r--arch/arm/mach-iop3xx/iq80331-pci.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/arch/arm/mach-iop3xx/iq80331-pci.c b/arch/arm/mach-iop3xx/iq80331-pci.c
deleted file mode 100644
index 40d861002492..000000000000
--- a/arch/arm/mach-iop3xx/iq80331-pci.c
+++ /dev/null
@@ -1,119 +0,0 @@
1/*
2 * arch/arm/mach-iop3xx/iq80331-pci.c
3 *
4 * PCI support for the Intel IQ80331 reference board
5 *
6 * Author: Dave Jiang <dave.jiang@intel.com>
7 * Copyright (C) 2003, 2004 Intel Corp.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13#include <linux/kernel.h>
14#include <linux/pci.h>
15#include <linux/init.h>
16#include <linux/string.h>
17#include <linux/slab.h>
18
19#include <asm/hardware.h>
20#include <asm/irq.h>
21#include <asm/mach/pci.h>
22#include <asm/mach-types.h>
23
24/*
25 * The following macro is used to lookup irqs in a standard table
26 * format for those systems that do not already have PCI
27 * interrupts properly routed. We assume 1 <= pin <= 4
28 */
29#define PCI_IRQ_TABLE_LOOKUP(minid,maxid) \
30({ int _ctl_ = -1; \
31 unsigned int _idsel = idsel - minid; \
32 if (_idsel <= maxid) \
33 _ctl_ = pci_irq_table[_idsel][pin-1]; \
34 _ctl_; })
35
36#define INTA IRQ_IQ80331_INTA
37#define INTB IRQ_IQ80331_INTB
38#define INTC IRQ_IQ80331_INTC
39#define INTD IRQ_IQ80331_INTD
40
41//#define INTE IRQ_IQ80331_I82544
42
43static inline int __init
44iq80331_map_irq(struct pci_dev *dev, u8 idsel, u8 pin)
45{
46 static int pci_irq_table[][4] = {
47 /*
48 * PCI IDSEL/INTPIN->INTLINE
49 * A B C D
50 */
51 {INTB, INTC, INTD, INTA}, /* PCI-X Slot */
52 {INTC, INTC, INTC, INTC}, /* GigE */
53 };
54
55 BUG_ON(pin < 1 || pin > 4);
56
57 return PCI_IRQ_TABLE_LOOKUP(1, 7);
58}
59
60static int iq80331_setup(int nr, struct pci_sys_data *sys)
61{
62 struct resource *res;
63
64 if(nr != 0)
65 return 0;
66
67 res = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL);
68 if (!res)
69 panic("PCI: unable to alloc resources");
70
71 res[0].start = IOP331_PCI_LOWER_IO_VA;
72 res[0].end = IOP331_PCI_UPPER_IO_VA;
73 res[0].name = "IQ80331 PCI I/O Space";
74 res[0].flags = IORESOURCE_IO;
75
76 res[1].start = IOP331_PCI_LOWER_MEM_PA;
77 res[1].end = IOP331_PCI_UPPER_MEM_PA;
78 res[1].name = "IQ80331 PCI Memory Space";
79 res[1].flags = IORESOURCE_MEM;
80
81 request_resource(&ioport_resource, &res[0]);
82 request_resource(&iomem_resource, &res[1]);
83
84 sys->mem_offset = IOP331_PCI_MEM_OFFSET;
85 sys->io_offset = IOP331_PCI_IO_OFFSET;
86
87 sys->resource[0] = &res[0];
88 sys->resource[1] = &res[1];
89 sys->resource[2] = NULL;
90
91 return 1;
92}
93
94static void iq80331_preinit(void)
95{
96 iop331_init();
97}
98
99static struct hw_pci iq80331_pci __initdata = {
100 .swizzle = pci_std_swizzle,
101 .nr_controllers = 1,
102 .setup = iq80331_setup,
103 .scan = iop331_scan_bus,
104 .preinit = iq80331_preinit,
105 .map_irq = iq80331_map_irq
106};
107
108static int __init iq80331_pci_init(void)
109{
110 if (machine_is_iq80331())
111 pci_common_init(&iq80331_pci);
112 return 0;
113}
114
115subsys_initcall(iq80331_pci_init);
116
117
118
119