Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6
[linux-2.6] / arch / arm / mach-iop3xx / iop331-setup.c
1 /*
2  * linux/arch/arm/mach-iop3xx/iop331-setup.c
3  *
4  * Author: Dave Jiang (dave.jiang@intel.com)
5  * Copyright (C) 2004 Intel Corporation.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  *
11  */
12 #include <linux/mm.h>
13 #include <linux/init.h>
14 #include <linux/config.h>
15 #include <linux/init.h>
16 #include <linux/major.h>
17 #include <linux/fs.h>
18 #include <linux/device.h>
19 #include <linux/serial.h>
20 #include <linux/tty.h>
21 #include <linux/serial_core.h>
22
23 #include <asm/io.h>
24 #include <asm/pgtable.h>
25 #include <asm/page.h>
26 #include <asm/mach/map.h>
27 #include <asm/setup.h>
28 #include <asm/system.h>
29 #include <asm/memory.h>
30 #include <asm/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33
34 #define IOP331_UART_XTAL 33334000
35
36 /*
37  * Standard IO mapping for all IOP331 based systems
38  */
39 static struct map_desc iop331_std_desc[] __initdata = {
40  /* virtual     physical      length      type */
41
42  /* mem mapped registers */
43  { IOP331_VIRT_MEM_BASE,  IOP331_PHYS_MEM_BASE,   0x00002000,  MT_DEVICE },
44
45  /* PCI IO space */
46  { IOP331_PCI_LOWER_IO_VA,  IOP331_PCI_LOWER_IO_PA,   IOP331_PCI_IO_WINDOW_SIZE,  MT_DEVICE }
47 };
48
49 static struct uart_port iop331_serial_ports[] = {
50         {
51                 .membase        = (char*)(IOP331_UART0_VIRT),
52                 .mapbase        = (IOP331_UART0_PHYS),
53                 .irq            = IRQ_IOP331_UART0,
54                 .flags          = UPF_SKIP_TEST,
55                 .iotype         = UPIO_MEM,
56                 .regshift       = 2,
57                 .uartclk        = IOP331_UART_XTAL,
58                 .line           = 0,
59                 .type           = PORT_XSCALE,
60                 .fifosize       = 32
61         } , {
62                 .membase        = (char*)(IOP331_UART1_VIRT),
63                 .mapbase        = (IOP331_UART1_PHYS),
64                 .irq            = IRQ_IOP331_UART1,
65                 .flags          = UPF_SKIP_TEST,
66                 .iotype         = UPIO_MEM,
67                 .regshift       = 2,
68                 .uartclk        = IOP331_UART_XTAL,
69                 .line           = 1,
70                 .type           = PORT_XSCALE,
71                 .fifosize       = 32
72         }
73 };
74
75 static struct resource iop33x_i2c_0_resources[] = {
76         [0] = {
77                 .start = 0xfffff680,
78                 .end = 0xfffff698,
79                 .flags = IORESOURCE_MEM,
80         },
81         [1] = {
82                 .start = IRQ_IOP331_I2C_0,
83                 .end = IRQ_IOP331_I2C_0,
84                 .flags = IORESOURCE_IRQ
85         }
86 };
87
88 static struct resource iop33x_i2c_1_resources[] = {
89         [0] = {
90                 .start = 0xfffff6a0,
91                 .end = 0xfffff6b8,
92                 .flags = IORESOURCE_MEM,
93         },
94         [1] = {
95                 .start = IRQ_IOP331_I2C_1,
96                 .end = IRQ_IOP331_I2C_1,
97                 .flags = IORESOURCE_IRQ
98         }
99 };
100
101 static struct platform_device iop33x_i2c_0_controller = {
102         .name = "IOP3xx-I2C",
103         .id = 0,
104         .num_resources = 2,
105         .resource = iop33x_i2c_0_resources
106 };
107
108 static struct platform_device iop33x_i2c_1_controller = {
109         .name = "IOP3xx-I2C",
110         .id = 1,
111         .num_resources = 2,
112         .resource = iop33x_i2c_1_resources
113 };
114
115 static struct platform_device *iop33x_devices[] __initdata = {
116         &iop33x_i2c_0_controller,
117         &iop33x_i2c_1_controller
118 };
119
120 void __init iop33x_init(void)
121 {
122         if(iop_is_331())
123         {
124                 platform_add_devices(iop33x_devices,
125                                 ARRAY_SIZE(iop33x_devices));
126         }
127 }
128
129 void __init iop331_map_io(void)
130 {
131         iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
132         early_serial_setup(&iop331_serial_ports[0]);
133         early_serial_setup(&iop331_serial_ports[1]);
134 }
135
136 #ifdef CONFIG_ARCH_IOP331
137 extern void iop331_init_irq(void);
138 extern struct sys_timer iop331_timer;
139 #endif
140
141 #ifdef CONFIG_ARCH_IQ80331
142 extern void iq80331_map_io(void);
143 #endif
144
145 #ifdef CONFIG_MACH_IQ80332
146 extern void iq80332_map_io(void);
147 #endif
148
149 #if defined(CONFIG_ARCH_IQ80331)
150 MACHINE_START(IQ80331, "Intel IQ80331")
151         /* Maintainer: Intel Corp. */
152         .phys_ram       = PHYS_OFFSET,
153         .phys_io        = 0xfefff000,
154         .io_pg_offst    = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
155         .map_io         = iq80331_map_io,
156         .init_irq       = iop331_init_irq,
157         .timer          = &iop331_timer,
158         .boot_params    = 0x0100,
159         .init_machine   = iop33x_init,
160 MACHINE_END
161
162 #elif defined(CONFIG_MACH_IQ80332)
163 MACHINE_START(IQ80332, "Intel IQ80332")
164         /* Maintainer: Intel Corp. */
165         .phys_ram       = PHYS_OFFSET,
166         .phys_io        = 0xfefff000,
167         .io_pg_offst    = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
168         .map_io         = iq80332_map_io,
169         .init_irq       = iop331_init_irq,
170         .timer          = &iop331_timer,
171         .boot_params    = 0x0100,
172         .init_machine   = iop33x_init,
173 MACHINE_END
174
175 #else
176 #error No machine descriptor defined for this IOP3XX implementation
177 #endif
178
179