diff options
Diffstat (limited to 'arch/arm/mach-iop33x/iq80331.c')
-rw-r--r-- | arch/arm/mach-iop33x/iq80331.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c new file mode 100644 index 000000000000..97a7b7488264 --- /dev/null +++ b/arch/arm/mach-iop33x/iq80331.c | |||
@@ -0,0 +1,148 @@ | |||
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 | */ | ||
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) | ||
43 | iop3xx_init_time(333000000); | ||
44 | else | ||
45 | iop3xx_init_time(266000000); | ||
46 | } | ||
47 | |||
48 | static struct sys_timer iq80331_timer = { | ||
49 | .init = iq80331_timer_init, | ||
50 | .offset = iop3xx_gettimeoffset, | ||
51 | }; | ||
52 | |||
53 | |||
54 | /* | ||
55 | * IQ80331 PCI. | ||
56 | */ | ||
57 | static inline int __init | ||
58 | iq80331_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 | |||
87 | static 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 | |||
96 | static int __init iq80331_pci_init(void) | ||
97 | { | ||
98 | if (machine_is_iq80331()) | ||
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); | ||
137 | } | ||
138 | |||
139 | MACHINE_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, | ||
148 | MACHINE_END | ||