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c680b77e LB |
1 | /* |
2 | * arch/arm/mach-iop33x/iq80331.c | |
3 | * | |
4 | * Board support code for the Intel IQ80331 platform. | |
5 | * | |
6 | * Author: Dave Jiang <[email protected]> | |
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> | |
c680b77e LB |
20 | #include <linux/serial_core.h> |
21 | #include <linux/serial_8250.h> | |
22 | #include <linux/mtd/physmap.h> | |
23 | #include <linux/platform_device.h> | |
fced80c7 | 24 | #include <linux/io.h> |
a09e64fb | 25 | #include <mach/hardware.h> |
c680b77e LB |
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> | |
a09e64fb | 34 | #include <mach/time.h> |
c680b77e LB |
35 | |
36 | /* | |
37 | * IQ80331 timer tick configuration. | |
38 | */ | |
39 | static void __init iq80331_timer_init(void) | |
40 | { | |
41 | /* D-Step parts run at a higher internal bus frequency */ | |
42 | if (*IOP3XX_ATURID >= 0xa) | |
3668b45d | 43 | iop_init_time(333000000); |
c680b77e | 44 | else |
3668b45d | 45 | iop_init_time(266000000); |
c680b77e LB |
46 | } |
47 | ||
48 | static struct sys_timer iq80331_timer = { | |
49 | .init = iq80331_timer_init, | |
c680b77e LB |
50 | }; |
51 | ||
52 | ||
53 | /* | |
54 | * IQ80331 PCI. | |
55 | */ | |
d73d8011 | 56 | static int __init |
c680b77e LB |
57 | iq80331_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
58 | { | |
59 | int irq; | |
60 | ||
61 | if (slot == 1 && pin == 1) { | |
62 | /* PCI-X Slot INTA */ | |
c852ac80 | 63 | irq = IRQ_IOP33X_XINT1; |
c680b77e LB |
64 | } else if (slot == 1 && pin == 2) { |
65 | /* PCI-X Slot INTB */ | |
c852ac80 | 66 | irq = IRQ_IOP33X_XINT2; |
c680b77e LB |
67 | } else if (slot == 1 && pin == 3) { |
68 | /* PCI-X Slot INTC */ | |
c852ac80 | 69 | irq = IRQ_IOP33X_XINT3; |
c680b77e LB |
70 | } else if (slot == 1 && pin == 4) { |
71 | /* PCI-X Slot INTD */ | |
c852ac80 | 72 | irq = IRQ_IOP33X_XINT0; |
c680b77e LB |
73 | } else if (slot == 2) { |
74 | /* GigE */ | |
c852ac80 | 75 | irq = IRQ_IOP33X_XINT2; |
c680b77e LB |
76 | } else { |
77 | printk(KERN_ERR "iq80331_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 iq80331_pci __initdata = { | |
87 | .swizzle = pci_std_swizzle, | |
88 | .nr_controllers = 1, | |
89 | .setup = iop3xx_pci_setup, | |
c34002c1 | 90 | .preinit = iop3xx_pci_preinit_cond, |
c680b77e LB |
91 | .scan = iop3xx_pci_scan_bus, |
92 | .map_irq = iq80331_pci_map_irq, | |
93 | }; | |
94 | ||
95 | static int __init iq80331_pci_init(void) | |
96 | { | |
e90ddd81 DW |
97 | if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) && |
98 | machine_is_iq80331()) | |
c680b77e LB |
99 | pci_common_init(&iq80331_pci); |
100 | ||
101 | return 0; | |
102 | } | |
103 | ||
104 | subsys_initcall(iq80331_pci_init); | |
105 | ||
106 | ||
107 | /* | |
108 | * IQ80331 machine initialisation. | |
109 | */ | |
110 | static struct physmap_flash_data iq80331_flash_data = { | |
111 | .width = 1, | |
112 | }; | |
113 | ||
114 | static struct resource iq80331_flash_resource = { | |
115 | .start = 0xc0000000, | |
116 | .end = 0xc07fffff, | |
117 | .flags = IORESOURCE_MEM, | |
118 | }; | |
119 | ||
120 | static 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 | ||
130 | static 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); | |
2492c845 DW |
137 | platform_device_register(&iop3xx_dma_0_channel); |
138 | platform_device_register(&iop3xx_dma_1_channel); | |
139 | platform_device_register(&iop3xx_aau_channel); | |
c680b77e LB |
140 | } |
141 | ||
142 | MACHINE_START(IQ80331, "Intel IQ80331") | |
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, | |
c852ac80 | 148 | .init_irq = iop33x_init_irq, |
c680b77e LB |
149 | .timer = &iq80331_timer, |
150 | .init_machine = iq80331_init_machine, | |
151 | MACHINE_END |