diff options
Diffstat (limited to 'arch/arm/mach-iop32x/iq80321.c')
-rw-r--r-- | arch/arm/mach-iop32x/iq80321.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c new file mode 100644 index 000000000000..1f37b5501888 --- /dev/null +++ b/arch/arm/mach-iop32x/iq80321.c | |||
@@ -0,0 +1,193 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-iop32x/iq80321.c | ||
3 | * | ||
4 | * Board support code for the Intel IQ80321 platform. | ||
5 | * | ||
6 | * Author: Rory Bolt <rorybolt@pacbell.net> | ||
7 | * Copyright (C) 2002 Rory Bolt | ||
8 | * Copyright (C) 2004 Intel Corp. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify it | ||
11 | * under the terms of the GNU General Public License as published by the | ||
12 | * Free Software Foundation; either version 2 of the License, or (at your | ||
13 | * option) any later version. | ||
14 | */ | ||
15 | |||
16 | #include <linux/mm.h> | ||
17 | #include <linux/init.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/pci.h> | ||
20 | #include <linux/string.h> | ||
21 | #include <linux/slab.h> | ||
22 | #include <linux/serial_core.h> | ||
23 | #include <linux/serial_8250.h> | ||
24 | #include <linux/mtd/physmap.h> | ||
25 | #include <linux/platform_device.h> | ||
26 | #include <asm/hardware.h> | ||
27 | #include <asm/io.h> | ||
28 | #include <asm/irq.h> | ||
29 | #include <asm/mach/arch.h> | ||
30 | #include <asm/mach/map.h> | ||
31 | #include <asm/mach/pci.h> | ||
32 | #include <asm/mach/time.h> | ||
33 | #include <asm/mach-types.h> | ||
34 | #include <asm/page.h> | ||
35 | #include <asm/pgtable.h> | ||
36 | |||
37 | /* | ||
38 | * IQ80321 timer tick configuration. | ||
39 | */ | ||
40 | static void __init iq80321_timer_init(void) | ||
41 | { | ||
42 | /* 33.333 MHz crystal. */ | ||
43 | iop3xx_init_time(200000000); | ||
44 | } | ||
45 | |||
46 | static struct sys_timer iq80321_timer = { | ||
47 | .init = iq80321_timer_init, | ||
48 | .offset = iop3xx_gettimeoffset, | ||
49 | }; | ||
50 | |||
51 | |||
52 | /* | ||
53 | * IQ80321 I/O. | ||
54 | */ | ||
55 | static struct map_desc iq80321_io_desc[] __initdata = { | ||
56 | { /* on-board devices */ | ||
57 | .virtual = IQ80321_UART, | ||
58 | .pfn = __phys_to_pfn(IQ80321_UART), | ||
59 | .length = 0x00100000, | ||
60 | .type = MT_DEVICE, | ||
61 | }, | ||
62 | }; | ||
63 | |||
64 | void __init iq80321_map_io(void) | ||
65 | { | ||
66 | iop3xx_map_io(); | ||
67 | iotable_init(iq80321_io_desc, ARRAY_SIZE(iq80321_io_desc)); | ||
68 | } | ||
69 | |||
70 | |||
71 | /* | ||
72 | * IQ80321 PCI. | ||
73 | */ | ||
74 | static inline int __init | ||
75 | iq80321_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | ||
76 | { | ||
77 | int irq; | ||
78 | |||
79 | if ((slot == 2 || slot == 6) && pin == 1) { | ||
80 | /* PCI-X Slot INTA */ | ||
81 | irq = IRQ_IOP32X_XINT2; | ||
82 | } else if ((slot == 2 || slot == 6) && pin == 2) { | ||
83 | /* PCI-X Slot INTA */ | ||
84 | irq = IRQ_IOP32X_XINT3; | ||
85 | } else if ((slot == 2 || slot == 6) && pin == 3) { | ||
86 | /* PCI-X Slot INTA */ | ||
87 | irq = IRQ_IOP32X_XINT0; | ||
88 | } else if ((slot == 2 || slot == 6) && pin == 4) { | ||
89 | /* PCI-X Slot INTA */ | ||
90 | irq = IRQ_IOP32X_XINT1; | ||
91 | } else if (slot == 4 || slot == 8) { | ||
92 | /* Gig-E */ | ||
93 | irq = IRQ_IOP32X_XINT0; | ||
94 | } else { | ||
95 | printk(KERN_ERR "iq80321_pci_map_irq() called for unknown " | ||
96 | "device PCI:%d:%d:%d\n", dev->bus->number, | ||
97 | PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); | ||
98 | irq = -1; | ||
99 | } | ||
100 | |||
101 | return irq; | ||
102 | } | ||
103 | |||
104 | static struct hw_pci iq80321_pci __initdata = { | ||
105 | .swizzle = pci_std_swizzle, | ||
106 | .nr_controllers = 1, | ||
107 | .setup = iop3xx_pci_setup, | ||
108 | .preinit = iop3xx_pci_preinit, | ||
109 | .scan = iop3xx_pci_scan_bus, | ||
110 | .map_irq = iq80321_pci_map_irq, | ||
111 | }; | ||
112 | |||
113 | static int __init iq80321_pci_init(void) | ||
114 | { | ||
115 | if (machine_is_iq80321()) | ||
116 | pci_common_init(&iq80321_pci); | ||
117 | |||
118 | return 0; | ||
119 | } | ||
120 | |||
121 | subsys_initcall(iq80321_pci_init); | ||
122 | |||
123 | |||
124 | /* | ||
125 | * IQ80321 machine initialisation. | ||
126 | */ | ||
127 | static struct physmap_flash_data iq80321_flash_data = { | ||
128 | .width = 1, | ||
129 | }; | ||
130 | |||
131 | static struct resource iq80321_flash_resource = { | ||
132 | .start = 0xf0000000, | ||
133 | .end = 0xf07fffff, | ||
134 | .flags = IORESOURCE_MEM, | ||
135 | }; | ||
136 | |||
137 | static struct platform_device iq80321_flash_device = { | ||
138 | .name = "physmap-flash", | ||
139 | .id = 0, | ||
140 | .dev = { | ||
141 | .platform_data = &iq80321_flash_data, | ||
142 | }, | ||
143 | .num_resources = 1, | ||
144 | .resource = &iq80321_flash_resource, | ||
145 | }; | ||
146 | |||
147 | static struct plat_serial8250_port iq80321_serial_port[] = { | ||
148 | { | ||
149 | .mapbase = IQ80321_UART, | ||
150 | .membase = (char *)IQ80321_UART, | ||
151 | .irq = IRQ_IOP32X_XINT1, | ||
152 | .flags = UPF_SKIP_TEST, | ||
153 | .iotype = UPIO_MEM, | ||
154 | .regshift = 0, | ||
155 | .uartclk = 1843200, | ||
156 | }, | ||
157 | { }, | ||
158 | }; | ||
159 | |||
160 | static struct resource iq80321_uart_resource = { | ||
161 | .start = IQ80321_UART, | ||
162 | .end = IQ80321_UART + 7, | ||
163 | .flags = IORESOURCE_MEM, | ||
164 | }; | ||
165 | |||
166 | static struct platform_device iq80321_serial_device = { | ||
167 | .name = "serial8250", | ||
168 | .id = PLAT8250_DEV_PLATFORM, | ||
169 | .dev = { | ||
170 | .platform_data = iq80321_serial_port, | ||
171 | }, | ||
172 | .num_resources = 1, | ||
173 | .resource = &iq80321_uart_resource, | ||
174 | }; | ||
175 | |||
176 | static void __init iq80321_init_machine(void) | ||
177 | { | ||
178 | platform_device_register(&iop3xx_i2c0_device); | ||
179 | platform_device_register(&iop3xx_i2c1_device); | ||
180 | platform_device_register(&iq80321_flash_device); | ||
181 | platform_device_register(&iq80321_serial_device); | ||
182 | } | ||
183 | |||
184 | MACHINE_START(IQ80321, "Intel IQ80321") | ||
185 | /* Maintainer: Intel Corp. */ | ||
186 | .phys_io = IQ80321_UART, | ||
187 | .io_pg_offst = ((IQ80321_UART) >> 18) & 0xfffc, | ||
188 | .boot_params = 0xa0000100, | ||
189 | .map_io = iq80321_map_io, | ||
190 | .init_irq = iop32x_init_irq, | ||
191 | .timer = &iq80321_timer, | ||
192 | .init_machine = iq80321_init_machine, | ||
193 | MACHINE_END | ||