uart.c revision be509729356b7433f73df2b9a966674a437fbbc1 
1/*
2 * arch/arm/mach-iop33x/uart.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/major.h>
15#include <linux/fs.h>
16#include <linux/platform_device.h>
17#include <linux/serial.h>
18#include <linux/tty.h>
19#include <linux/serial_8250.h>
20#include <asm/io.h>
21#include <asm/pgtable.h>
22#include <asm/page.h>
23#include <asm/mach/map.h>
24#include <asm/setup.h>
25#include <asm/system.h>
26#include <asm/memory.h>
27#include <asm/arch/hardware.h>
28#include <asm/hardware/iop3xx.h>
29#include <asm/mach/arch.h>
30
31#define IOP33X_UART_XTAL 33334000
32
33static struct plat_serial8250_port iop33x_uart0_data[] = {
34	{
35		.membase	= (char *)IOP33X_UART0_VIRT,
36		.mapbase	= IOP33X_UART0_PHYS,
37		.irq		= IRQ_IOP33X_UART0,
38		.uartclk	= IOP33X_UART_XTAL,
39		.regshift	= 2,
40		.iotype		= UPIO_MEM,
41		.flags		= UPF_SKIP_TEST,
42	},
43	{ },
44};
45
46static struct resource iop33x_uart0_resources[] = {
47	[0] = {
48		.start	= IOP33X_UART0_PHYS,
49		.end	= IOP33X_UART0_PHYS + 0x3f,
50		.flags	= IORESOURCE_MEM,
51	},
52	[1] = {
53		.start	= IRQ_IOP33X_UART0,
54		.end	= IRQ_IOP33X_UART0,
55		.flags	= IORESOURCE_IRQ,
56	},
57};
58
59struct platform_device iop33x_uart0_device = {
60	.name		= "serial8250",
61	.id		= PLAT8250_DEV_PLATFORM,
62	.dev		= {
63		.platform_data		= iop33x_uart0_data,
64	},
65	.num_resources	= 2,
66	.resource	= iop33x_uart0_resources,
67};
68
69
70static struct resource iop33x_uart1_resources[] = {
71	[0] = {
72		.start	= IOP33X_UART1_PHYS,
73		.end	= IOP33X_UART1_PHYS + 0x3f,
74		.flags	= IORESOURCE_MEM,
75	},
76	[1] = {
77		.start	= IRQ_IOP33X_UART1,
78		.end	= IRQ_IOP33X_UART1,
79		.flags	= IORESOURCE_IRQ,
80	},
81};
82
83static struct plat_serial8250_port iop33x_uart1_data[] = {
84	{
85		.membase	= (char *)IOP33X_UART1_VIRT,
86		.mapbase	= IOP33X_UART1_PHYS,
87		.irq		= IRQ_IOP33X_UART1,
88		.uartclk	= IOP33X_UART_XTAL,
89		.regshift	= 2,
90		.iotype		= UPIO_MEM,
91		.flags		= UPF_SKIP_TEST,
92	},
93	{ },
94};
95
96struct platform_device iop33x_uart1_device = {
97	.name		= "serial8250",
98	.id		= PLAT8250_DEV_PLATFORM1,
99	.dev		= {
100		.platform_data		= iop33x_uart1_data,
101	},
102	.num_resources	= 2,
103	.resource	= iop33x_uart1_resources,
104};
105