diff options
Diffstat (limited to 'arch/arm/mach-iop32x/setup.c')
-rw-r--r-- | arch/arm/mach-iop32x/setup.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/setup.c b/arch/arm/mach-iop32x/setup.c new file mode 100644 index 000000000000..729678799271 --- /dev/null +++ b/arch/arm/mach-iop32x/setup.c | |||
@@ -0,0 +1,173 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-iop32x/setup.c | ||
3 | * | ||
4 | * Author: Nicolas Pitre <nico@cam.org> | ||
5 | * Copyright (C) 2001 MontaVista Software, Inc. | ||
6 | * Copyright (C) 2004 Intel Corporation. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | */ | ||
13 | #include <linux/mm.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/major.h> | ||
16 | #include <linux/fs.h> | ||
17 | #include <linux/platform_device.h> | ||
18 | #include <linux/serial.h> | ||
19 | #include <linux/tty.h> | ||
20 | #include <linux/serial_core.h> | ||
21 | |||
22 | #include <asm/io.h> | ||
23 | #include <asm/pgtable.h> | ||
24 | #include <asm/page.h> | ||
25 | #include <asm/mach/map.h> | ||
26 | #include <asm/setup.h> | ||
27 | #include <asm/system.h> | ||
28 | #include <asm/memory.h> | ||
29 | #include <asm/hardware.h> | ||
30 | #include <asm/mach-types.h> | ||
31 | #include <asm/mach/arch.h> | ||
32 | |||
33 | #define IOP321_UART_XTAL 1843200 | ||
34 | |||
35 | /* | ||
36 | * Standard IO mapping for all IOP321 based systems | ||
37 | */ | ||
38 | static struct map_desc iop321_std_desc[] __initdata = { | ||
39 | { /* mem mapped registers */ | ||
40 | .virtual = IOP321_VIRT_MEM_BASE, | ||
41 | .pfn = __phys_to_pfn(IOP321_PHYS_MEM_BASE), | ||
42 | .length = 0x00002000, | ||
43 | .type = MT_DEVICE | ||
44 | }, { /* PCI IO space */ | ||
45 | .virtual = IOP321_PCI_LOWER_IO_VA, | ||
46 | .pfn = __phys_to_pfn(IOP321_PCI_LOWER_IO_PA), | ||
47 | .length = IOP321_PCI_IO_WINDOW_SIZE, | ||
48 | .type = MT_DEVICE | ||
49 | } | ||
50 | }; | ||
51 | |||
52 | #ifdef CONFIG_ARCH_IQ80321 | ||
53 | #define UARTBASE IQ80321_UART | ||
54 | #define IRQ_UART IRQ_IQ80321_UART | ||
55 | #endif | ||
56 | |||
57 | #ifdef CONFIG_ARCH_IQ31244 | ||
58 | #define UARTBASE IQ31244_UART | ||
59 | #define IRQ_UART IRQ_IQ31244_UART | ||
60 | #endif | ||
61 | |||
62 | static struct uart_port iop321_serial_ports[] = { | ||
63 | { | ||
64 | .membase = (char*)(UARTBASE), | ||
65 | .mapbase = (UARTBASE), | ||
66 | .irq = IRQ_UART, | ||
67 | .flags = UPF_SKIP_TEST, | ||
68 | .iotype = UPIO_MEM, | ||
69 | .regshift = 0, | ||
70 | .uartclk = IOP321_UART_XTAL, | ||
71 | .line = 0, | ||
72 | .type = PORT_16550A, | ||
73 | .fifosize = 16 | ||
74 | } | ||
75 | }; | ||
76 | |||
77 | static struct resource iop32x_i2c_0_resources[] = { | ||
78 | [0] = { | ||
79 | .start = 0xfffff680, | ||
80 | .end = 0xfffff698, | ||
81 | .flags = IORESOURCE_MEM, | ||
82 | }, | ||
83 | [1] = { | ||
84 | .start = IRQ_IOP321_I2C_0, | ||
85 | .end = IRQ_IOP321_I2C_0, | ||
86 | .flags = IORESOURCE_IRQ | ||
87 | } | ||
88 | }; | ||
89 | |||
90 | static struct resource iop32x_i2c_1_resources[] = { | ||
91 | [0] = { | ||
92 | .start = 0xfffff6a0, | ||
93 | .end = 0xfffff6b8, | ||
94 | .flags = IORESOURCE_MEM, | ||
95 | }, | ||
96 | [1] = { | ||
97 | .start = IRQ_IOP321_I2C_1, | ||
98 | .end = IRQ_IOP321_I2C_1, | ||
99 | .flags = IORESOURCE_IRQ | ||
100 | } | ||
101 | }; | ||
102 | |||
103 | static struct platform_device iop32x_i2c_0_controller = { | ||
104 | .name = "IOP3xx-I2C", | ||
105 | .id = 0, | ||
106 | .num_resources = 2, | ||
107 | .resource = iop32x_i2c_0_resources | ||
108 | }; | ||
109 | |||
110 | static struct platform_device iop32x_i2c_1_controller = { | ||
111 | .name = "IOP3xx-I2C", | ||
112 | .id = 1, | ||
113 | .num_resources = 2, | ||
114 | .resource = iop32x_i2c_1_resources | ||
115 | }; | ||
116 | |||
117 | static struct platform_device *iop32x_devices[] __initdata = { | ||
118 | &iop32x_i2c_0_controller, | ||
119 | &iop32x_i2c_1_controller | ||
120 | }; | ||
121 | |||
122 | void __init iop32x_init(void) | ||
123 | { | ||
124 | if(iop_is_321()) | ||
125 | { | ||
126 | platform_add_devices(iop32x_devices, | ||
127 | ARRAY_SIZE(iop32x_devices)); | ||
128 | } | ||
129 | } | ||
130 | |||
131 | void __init iop321_map_io(void) | ||
132 | { | ||
133 | iotable_init(iop321_std_desc, ARRAY_SIZE(iop321_std_desc)); | ||
134 | early_serial_setup(&iop321_serial_ports[0]); | ||
135 | } | ||
136 | |||
137 | #ifdef CONFIG_ARCH_IQ80321 | ||
138 | extern void iq80321_map_io(void); | ||
139 | extern struct sys_timer iop321_timer; | ||
140 | extern void iop321_init_time(void); | ||
141 | #endif | ||
142 | |||
143 | #ifdef CONFIG_ARCH_IQ31244 | ||
144 | extern void iq31244_map_io(void); | ||
145 | extern struct sys_timer iop321_timer; | ||
146 | extern void iop321_init_time(void); | ||
147 | #endif | ||
148 | |||
149 | #if defined(CONFIG_ARCH_IQ80321) | ||
150 | MACHINE_START(IQ80321, "Intel IQ80321") | ||
151 | /* Maintainer: Intel Corporation */ | ||
152 | .phys_io = IQ80321_UART, | ||
153 | .io_pg_offst = ((IQ80321_UART) >> 18) & 0xfffc, | ||
154 | .map_io = iq80321_map_io, | ||
155 | .init_irq = iop321_init_irq, | ||
156 | .timer = &iop321_timer, | ||
157 | .boot_params = 0xa0000100, | ||
158 | .init_machine = iop32x_init, | ||
159 | MACHINE_END | ||
160 | #elif defined(CONFIG_ARCH_IQ31244) | ||
161 | MACHINE_START(IQ31244, "Intel IQ31244") | ||
162 | /* Maintainer: Intel Corp. */ | ||
163 | .phys_io = IQ31244_UART, | ||
164 | .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc, | ||
165 | .map_io = iq31244_map_io, | ||
166 | .init_irq = iop321_init_irq, | ||
167 | .timer = &iop321_timer, | ||
168 | .boot_params = 0xa0000100, | ||
169 | .init_machine = iop32x_init, | ||
170 | MACHINE_END | ||
171 | #else | ||
172 | #error No machine descriptor defined for this IOP3XX implementation | ||
173 | #endif | ||