2 * linux/arch/arm/mach-iop3xx/iop331-setup.c
4 * Author: Dave Jiang (dave.jiang@intel.com)
5 * Copyright (C) 2004 Intel Corporation.
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.
13 #include <linux/init.h>
14 #include <linux/config.h>
15 #include <linux/init.h>
16 #include <linux/major.h>
18 #include <linux/device.h>
19 #include <linux/serial.h>
20 #include <linux/tty.h>
21 #include <linux/serial_core.h>
24 #include <asm/pgtable.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>
34 #define IOP331_UART_XTAL 33334000
37 * Standard IO mapping for all IOP331 based systems
39 static struct map_desc iop331_std_desc[] __initdata = {
40 { /* mem mapped registers */
41 .virtual = IOP331_VIRT_MEM_BASE,
42 .pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE),
45 }, { /* PCI IO space */
46 .virtual = IOP331_PCI_LOWER_IO_VA,
47 .pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA),
48 .length = IOP331_PCI_IO_WINDOW_SIZE,
53 static struct uart_port iop331_serial_ports[] = {
55 .membase = (char*)(IOP331_UART0_VIRT),
56 .mapbase = (IOP331_UART0_PHYS),
57 .irq = IRQ_IOP331_UART0,
58 .flags = UPF_SKIP_TEST,
61 .uartclk = IOP331_UART_XTAL,
66 .membase = (char*)(IOP331_UART1_VIRT),
67 .mapbase = (IOP331_UART1_PHYS),
68 .irq = IRQ_IOP331_UART1,
69 .flags = UPF_SKIP_TEST,
72 .uartclk = IOP331_UART_XTAL,
79 static struct resource iop33x_i2c_0_resources[] = {
83 .flags = IORESOURCE_MEM,
86 .start = IRQ_IOP331_I2C_0,
87 .end = IRQ_IOP331_I2C_0,
88 .flags = IORESOURCE_IRQ
92 static struct resource iop33x_i2c_1_resources[] = {
96 .flags = IORESOURCE_MEM,
99 .start = IRQ_IOP331_I2C_1,
100 .end = IRQ_IOP331_I2C_1,
101 .flags = IORESOURCE_IRQ
105 static struct platform_device iop33x_i2c_0_controller = {
106 .name = "IOP3xx-I2C",
109 .resource = iop33x_i2c_0_resources
112 static struct platform_device iop33x_i2c_1_controller = {
113 .name = "IOP3xx-I2C",
116 .resource = iop33x_i2c_1_resources
119 static struct platform_device *iop33x_devices[] __initdata = {
120 &iop33x_i2c_0_controller,
121 &iop33x_i2c_1_controller
124 void __init iop33x_init(void)
128 platform_add_devices(iop33x_devices,
129 ARRAY_SIZE(iop33x_devices));
133 void __init iop331_map_io(void)
135 iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
136 early_serial_setup(&iop331_serial_ports[0]);
137 early_serial_setup(&iop331_serial_ports[1]);
140 #ifdef CONFIG_ARCH_IOP331
141 extern void iop331_init_irq(void);
142 extern struct sys_timer iop331_timer;
145 #ifdef CONFIG_ARCH_IQ80331
146 extern void iq80331_map_io(void);
149 #ifdef CONFIG_MACH_IQ80332
150 extern void iq80332_map_io(void);
153 #if defined(CONFIG_ARCH_IQ80331)
154 MACHINE_START(IQ80331, "Intel IQ80331")
155 /* Maintainer: Intel Corp. */
156 .phys_ram = PHYS_OFFSET,
157 .phys_io = 0xfefff000,
158 .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
159 .map_io = iq80331_map_io,
160 .init_irq = iop331_init_irq,
161 .timer = &iop331_timer,
162 .boot_params = 0x0100,
163 .init_machine = iop33x_init,
166 #elif defined(CONFIG_MACH_IQ80332)
167 MACHINE_START(IQ80332, "Intel IQ80332")
168 /* Maintainer: Intel Corp. */
169 .phys_ram = PHYS_OFFSET,
170 .phys_io = 0xfefff000,
171 .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
172 .map_io = iq80332_map_io,
173 .init_irq = iop331_init_irq,
174 .timer = &iop331_timer,
175 .boot_params = 0x0100,
176 .init_machine = iop33x_init,
180 #error No machine descriptor defined for this IOP3XX implementation