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/major.h>
16 #include <linux/platform_device.h>
17 #include <linux/serial.h>
18 #include <linux/tty.h>
19 #include <linux/serial_8250.h>
22 #include <asm/pgtable.h>
24 #include <asm/mach/map.h>
25 #include <asm/setup.h>
26 #include <asm/system.h>
27 #include <asm/memory.h>
28 #include <asm/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
32 #define IOP331_UART_XTAL 33334000
35 * Standard IO mapping for all IOP331 based systems
37 static struct map_desc iop331_std_desc
[] __initdata
= {
38 { /* mem mapped registers */
39 .virtual = IOP331_VIRT_MEM_BASE
,
40 .pfn
= __phys_to_pfn(IOP331_PHYS_MEM_BASE
),
43 }, { /* PCI IO space */
44 .virtual = IOP331_PCI_LOWER_IO_VA
,
45 .pfn
= __phys_to_pfn(IOP331_PCI_LOWER_IO_PA
),
46 .length
= IOP331_PCI_IO_WINDOW_SIZE
,
51 static struct resource iop33x_uart0_resources
[] = {
53 .start
= IOP331_UART0_PHYS
,
54 .end
= IOP331_UART0_PHYS
+ 0x3f,
55 .flags
= IORESOURCE_MEM
,
58 .start
= IRQ_IOP331_UART0
,
59 .end
= IRQ_IOP331_UART0
,
60 .flags
= IORESOURCE_IRQ
64 static struct resource iop33x_uart1_resources
[] = {
66 .start
= IOP331_UART1_PHYS
,
67 .end
= IOP331_UART1_PHYS
+ 0x3f,
68 .flags
= IORESOURCE_MEM
,
71 .start
= IRQ_IOP331_UART1
,
72 .end
= IRQ_IOP331_UART1
,
73 .flags
= IORESOURCE_IRQ
77 static struct plat_serial8250_port iop33x_uart0_data
[] = {
79 .membase
= (char*)(IOP331_UART0_VIRT
),
80 .mapbase
= (IOP331_UART0_PHYS
),
81 .irq
= IRQ_IOP331_UART0
,
82 .uartclk
= IOP331_UART_XTAL
,
85 .flags
= UPF_SKIP_TEST
,
90 static struct plat_serial8250_port iop33x_uart1_data
[] = {
92 .membase
= (char*)(IOP331_UART1_VIRT
),
93 .mapbase
= (IOP331_UART1_PHYS
),
94 .irq
= IRQ_IOP331_UART1
,
95 .uartclk
= IOP331_UART_XTAL
,
98 .flags
= UPF_SKIP_TEST
,
103 static struct platform_device iop33x_uart0
= {
104 .name
= "serial8250",
105 .id
= PLAT8250_DEV_PLATFORM
,
106 .dev
.platform_data
= iop33x_uart0_data
,
108 .resource
= iop33x_uart0_resources
,
111 static struct platform_device iop33x_uart1
= {
112 .name
= "serial8250",
113 .id
= PLAT8250_DEV_PLATFORM1
,
114 .dev
.platform_data
= iop33x_uart1_data
,
116 .resource
= iop33x_uart1_resources
,
119 static struct resource iop33x_i2c_0_resources
[] = {
123 .flags
= IORESOURCE_MEM
,
126 .start
= IRQ_IOP331_I2C_0
,
127 .end
= IRQ_IOP331_I2C_0
,
128 .flags
= IORESOURCE_IRQ
132 static struct resource iop33x_i2c_1_resources
[] = {
136 .flags
= IORESOURCE_MEM
,
139 .start
= IRQ_IOP331_I2C_1
,
140 .end
= IRQ_IOP331_I2C_1
,
141 .flags
= IORESOURCE_IRQ
145 static struct platform_device iop33x_i2c_0_controller
= {
146 .name
= "IOP3xx-I2C",
149 .resource
= iop33x_i2c_0_resources
152 static struct platform_device iop33x_i2c_1_controller
= {
153 .name
= "IOP3xx-I2C",
156 .resource
= iop33x_i2c_1_resources
159 static struct platform_device
*iop33x_devices
[] __initdata
= {
162 &iop33x_i2c_0_controller
,
163 &iop33x_i2c_1_controller
166 void __init
iop33x_init(void)
170 platform_add_devices(iop33x_devices
,
171 ARRAY_SIZE(iop33x_devices
));
175 void __init
iop331_map_io(void)
177 iotable_init(iop331_std_desc
, ARRAY_SIZE(iop331_std_desc
));
180 #ifdef CONFIG_ARCH_IOP33X
181 extern void iop331_init_irq(void);
182 extern struct sys_timer iop331_timer
;
185 #ifdef CONFIG_ARCH_IQ80331
186 extern void iq80331_map_io(void);
189 #ifdef CONFIG_MACH_IQ80332
190 extern void iq80332_map_io(void);
193 #if defined(CONFIG_ARCH_IQ80331)
194 MACHINE_START(IQ80331
, "Intel IQ80331")
195 /* Maintainer: Intel Corp. */
196 .phys_io
= 0xfefff000,
197 .io_pg_offst
= ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
198 .map_io
= iq80331_map_io
,
199 .init_irq
= iop331_init_irq
,
200 .timer
= &iop331_timer
,
201 .boot_params
= 0x0100,
202 .init_machine
= iop33x_init
,
205 #elif defined(CONFIG_MACH_IQ80332)
206 MACHINE_START(IQ80332
, "Intel IQ80332")
207 /* Maintainer: Intel Corp. */
208 .phys_io
= 0xfefff000,
209 .io_pg_offst
= ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
210 .map_io
= iq80332_map_io
,
211 .init_irq
= iop331_init_irq
,
212 .timer
= &iop331_timer
,
213 .boot_params
= 0x0100,
214 .init_machine
= iop33x_init
,
218 #error No machine descriptor defined for this IOP3XX implementation