include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[linux-2.6.git] / arch / arm / mach-iop33x / iq80332.c
1 /*
2  * arch/arm/mach-iop33x/iq80332.c
3  *
4  * Board support code for the Intel IQ80332 platform.
5  *
6  * Author: Dave Jiang <dave.jiang@intel.com>
7  * Copyright (C) 2004 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/serial_core.h>
21 #include <linux/serial_8250.h>
22 #include <linux/mtd/physmap.h>
23 #include <linux/platform_device.h>
24 #include <linux/io.h>
25 #include <mach/hardware.h>
26 #include <asm/irq.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/pci.h>
30 #include <asm/mach/time.h>
31 #include <asm/mach-types.h>
32 #include <asm/page.h>
33 #include <asm/pgtable.h>
34 #include <mach/time.h>
35
36 /*
37  * IQ80332 timer tick configuration.
38  */
39 static void __init iq80332_timer_init(void)
40 {
41         /* D-Step parts and the iop333 run at a higher internal bus frequency */
42         if (*IOP3XX_ATURID >= 0xa || *IOP3XX_ATUDID == 0x374)
43                 iop_init_time(333000000);
44         else
45                 iop_init_time(266000000);
46 }
47
48 static struct sys_timer iq80332_timer = {
49         .init           = iq80332_timer_init,
50 };
51
52
53 /*
54  * IQ80332 PCI.
55  */
56 static int __init
57 iq80332_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
58 {
59         int irq;
60
61         if (slot == 4 && pin == 1) {
62                 /* PCI-X Slot INTA */
63                 irq = IRQ_IOP33X_XINT0;
64         } else if (slot == 4 && pin == 2) {
65                 /* PCI-X Slot INTB */
66                 irq = IRQ_IOP33X_XINT1;
67         } else if (slot == 4 && pin == 3) {
68                 /* PCI-X Slot INTC */
69                 irq = IRQ_IOP33X_XINT2;
70         } else if (slot == 4 && pin == 4) {
71                 /* PCI-X Slot INTD */
72                 irq = IRQ_IOP33X_XINT3;
73         } else if (slot == 6) {
74                 /* GigE */
75                 irq = IRQ_IOP33X_XINT2;
76         } else {
77                 printk(KERN_ERR "iq80332_pci_map_irq() called for unknown "
78                         "device PCI:%d:%d:%d\n", dev->bus->number,
79                         PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
80                 irq = -1;
81         }
82
83         return irq;
84 }
85
86 static struct hw_pci iq80332_pci __initdata = {
87         .swizzle        = pci_std_swizzle,
88         .nr_controllers = 1,
89         .setup          = iop3xx_pci_setup,
90         .preinit        = iop3xx_pci_preinit_cond,
91         .scan           = iop3xx_pci_scan_bus,
92         .map_irq        = iq80332_pci_map_irq,
93 };
94
95 static int __init iq80332_pci_init(void)
96 {
97         if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) &&
98                 machine_is_iq80332())
99                 pci_common_init(&iq80332_pci);
100
101         return 0;
102 }
103
104 subsys_initcall(iq80332_pci_init);
105
106
107 /*
108  * IQ80332 machine initialisation.
109  */
110 static struct physmap_flash_data iq80332_flash_data = {
111         .width          = 1,
112 };
113
114 static struct resource iq80332_flash_resource = {
115         .start          = 0xc0000000,
116         .end            = 0xc07fffff,
117         .flags          = IORESOURCE_MEM,
118 };
119
120 static struct platform_device iq80332_flash_device = {
121         .name           = "physmap-flash",
122         .id             = 0,
123         .dev            = {
124                 .platform_data  = &iq80332_flash_data,
125         },
126         .num_resources  = 1,
127         .resource       = &iq80332_flash_resource,
128 };
129
130 static void __init iq80332_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(&iq80332_flash_device);
137         platform_device_register(&iop3xx_dma_0_channel);
138         platform_device_register(&iop3xx_dma_1_channel);
139         platform_device_register(&iop3xx_aau_channel);
140 }
141
142 MACHINE_START(IQ80332, "Intel IQ80332")
143         /* Maintainer: Intel Corp. */
144         .phys_io        = 0xfefff000,
145         .io_pg_offst    = ((0xfffff000) >> 18) & 0xfffc,
146         .boot_params    = 0x00000100,
147         .map_io         = iop3xx_map_io,
148         .init_irq       = iop33x_init_irq,
149         .timer          = &iq80332_timer,
150         .init_machine   = iq80332_init_machine,
151 MACHINE_END