2 * linux/arch/arm/mach-iop3xx/iop321-setup.c
4 * Author: Nicolas Pitre <nico@cam.org>
5 * Copyright (C) 2001 MontaVista Software, Inc.
6 * Copyright (C) 2004 Intel Corporation.
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.
14 #include <linux/init.h>
15 #include <linux/major.h>
17 #include <linux/platform_device.h>
18 #include <linux/serial.h>
19 #include <linux/tty.h>
20 #include <linux/serial_core.h>
23 #include <asm/pgtable.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>
33 #define IOP321_UART_XTAL 1843200
36 * Standard IO mapping for all IOP321 based systems
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),
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,
52 #ifdef CONFIG_ARCH_IQ80321
53 #define UARTBASE IQ80321_UART
54 #define IRQ_UART IRQ_IQ80321_UART
57 #ifdef CONFIG_ARCH_IQ31244
58 #define UARTBASE IQ31244_UART
59 #define IRQ_UART IRQ_IQ31244_UART
62 static struct uart_port iop321_serial_ports[] = {
64 .membase = (char*)(UARTBASE),
65 .mapbase = (UARTBASE),
67 .flags = UPF_SKIP_TEST,
70 .uartclk = IOP321_UART_XTAL,
77 static struct resource iop32x_i2c_0_resources[] = {
81 .flags = IORESOURCE_MEM,
84 .start = IRQ_IOP321_I2C_0,
85 .end = IRQ_IOP321_I2C_0,
86 .flags = IORESOURCE_IRQ
90 static struct resource iop32x_i2c_1_resources[] = {
94 .flags = IORESOURCE_MEM,
97 .start = IRQ_IOP321_I2C_1,
98 .end = IRQ_IOP321_I2C_1,
99 .flags = IORESOURCE_IRQ
103 static struct platform_device iop32x_i2c_0_controller = {
104 .name = "IOP3xx-I2C",
107 .resource = iop32x_i2c_0_resources
110 static struct platform_device iop32x_i2c_1_controller = {
111 .name = "IOP3xx-I2C",
114 .resource = iop32x_i2c_1_resources
117 static struct platform_device *iop32x_devices[] __initdata = {
118 &iop32x_i2c_0_controller,
119 &iop32x_i2c_1_controller
122 void __init iop32x_init(void)
126 platform_add_devices(iop32x_devices,
127 ARRAY_SIZE(iop32x_devices));
131 void __init iop321_map_io(void)
133 iotable_init(iop321_std_desc, ARRAY_SIZE(iop321_std_desc));
134 early_serial_setup(&iop321_serial_ports[0]);
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);
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);
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,
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,
172 #error No machine descriptor defined for this IOP3XX implementation