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-rw-r--r--arch/arm/mach-iop33x/iq80331.c148
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diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c
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1/*
2 * arch/arm/mach-iop33x/iq80331.c
3 *
4 * Board support code for the Intel IQ80331 platform.
5 *
6 * Author: Dave Jiang <dave.jiang@intel.com>
7 * Copyright (C) 2003 Intel Corp.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 */
14
15#include <linux/mm.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
18#include <linux/pci.h>
19#include <linux/string.h>
20#include <linux/slab.h>
21#include <linux/serial_core.h>
22#include <linux/serial_8250.h>
23#include <linux/mtd/physmap.h>
24#include <linux/platform_device.h>
25#include <asm/hardware.h>
26#include <asm/io.h>
27#include <asm/irq.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/map.h>
30#include <asm/mach/pci.h>
31#include <asm/mach/time.h>
32#include <asm/mach-types.h>
33#include <asm/page.h>
34#include <asm/pgtable.h>
35
36/*
37 * IQ80331 timer tick configuration.
38 */
39static void __init iq80331_timer_init(void)
40{
41 /* D-Step parts run at a higher internal bus frequency */
42 if (*IOP3XX_ATURID >= 0xa)
43 iop3xx_init_time(333000000);
44 else
45 iop3xx_init_time(266000000);
46}
47
48static struct sys_timer iq80331_timer = {
49 .init = iq80331_timer_init,
50 .offset = iop3xx_gettimeoffset,
51};
52
53
54/*
55 * IQ80331 PCI.
56 */
57static inline int __init
58iq80331_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
59{
60 int irq;
61
62 if (slot == 1 && pin == 1) {
63 /* PCI-X Slot INTA */
64 irq = IRQ_IOP33X_XINT1;
65 } else if (slot == 1 && pin == 2) {
66 /* PCI-X Slot INTB */
67 irq = IRQ_IOP33X_XINT2;
68 } else if (slot == 1 && pin == 3) {
69 /* PCI-X Slot INTC */
70 irq = IRQ_IOP33X_XINT3;
71 } else if (slot == 1 && pin == 4) {
72 /* PCI-X Slot INTD */
73 irq = IRQ_IOP33X_XINT0;
74 } else if (slot == 2) {
75 /* GigE */
76 irq = IRQ_IOP33X_XINT2;
77 } else {
78 printk(KERN_ERR "iq80331_pci_map_irq() called for unknown "
79 "device PCI:%d:%d:%d\n", dev->bus->number,
80 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
81 irq = -1;
82 }
83
84 return irq;
85}
86
87static struct hw_pci iq80331_pci __initdata = {
88 .swizzle = pci_std_swizzle,
89 .nr_controllers = 1,
90 .setup = iop3xx_pci_setup,
91 .preinit = iop3xx_pci_preinit,
92 .scan = iop3xx_pci_scan_bus,
93 .map_irq = iq80331_pci_map_irq,
94};
95
96static int __init iq80331_pci_init(void)
97{
98 if (machine_is_iq80331())
99 pci_common_init(&iq80331_pci);
100
101 return 0;
102}
103
104subsys_initcall(iq80331_pci_init);
105
106
107/*
108 * IQ80331 machine initialisation.
109 */
110static struct physmap_flash_data iq80331_flash_data = {
111 .width = 1,
112};
113
114static struct resource iq80331_flash_resource = {
115 .start = 0xc0000000,
116 .end = 0xc07fffff,
117 .flags = IORESOURCE_MEM,
118};
119
120static struct platform_device iq80331_flash_device = {
121 .name = "physmap-flash",
122 .id = 0,
123 .dev = {
124 .platform_data = &iq80331_flash_data,
125 },
126 .num_resources = 1,
127 .resource = &iq80331_flash_resource,
128};
129
130static void __init iq80331_init_machine(void)
131{
132 platform_device_register(&iop3xx_i2c0_device);
133 platform_device_register(&iop3xx_i2c1_device);
134 platform_device_register(&iop33x_uart0_device);
135 platform_device_register(&iop33x_uart1_device);
136 platform_device_register(&iq80331_flash_device);
137}
138
139MACHINE_START(IQ80331, "Intel IQ80331")
140 /* Maintainer: Intel Corp. */
141 .phys_io = 0xfefff000,
142 .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc,
143 .boot_params = 0x00000100,
144 .map_io = iop3xx_map_io,
145 .init_irq = iop33x_init_irq,
146 .timer = &iq80331_timer,
147 .init_machine = iq80331_init_machine,
148MACHINE_END