uart.c revision 9f97da78bf018206fb623cd351d454af2f105fe0 
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 <linux/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/memory.h>
26#include <mach/hardware.h>
27#include <asm/hardware/iop3xx.h>
28#include <asm/mach/arch.h>
29
30#define IOP33X_UART_XTAL 33334000
31
32static struct plat_serial8250_port iop33x_uart0_data[] = {
33	{
34		.membase	= (char *)IOP33X_UART0_VIRT,
35		.mapbase	= IOP33X_UART0_PHYS,
36		.irq		= IRQ_IOP33X_UART0,
37		.uartclk	= IOP33X_UART_XTAL,
38		.regshift	= 2,
39		.iotype		= UPIO_MEM,
40		.flags		= UPF_SKIP_TEST,
41	},
42	{ },
43};
44
45static struct resource iop33x_uart0_resources[] = {
46	[0] = {
47		.start	= IOP33X_UART0_PHYS,
48		.end	= IOP33X_UART0_PHYS + 0x3f,
49		.flags	= IORESOURCE_MEM,
50	},
51	[1] = {
52		.start	= IRQ_IOP33X_UART0,
53		.end	= IRQ_IOP33X_UART0,
54		.flags	= IORESOURCE_IRQ,
55	},
56};
57
58struct platform_device iop33x_uart0_device = {
59	.name		= "serial8250",
60	.id		= PLAT8250_DEV_PLATFORM,
61	.dev		= {
62		.platform_data		= iop33x_uart0_data,
63	},
64	.num_resources	= 2,
65	.resource	= iop33x_uart0_resources,
66};
67
68
69static struct resource iop33x_uart1_resources[] = {
70	[0] = {
71		.start	= IOP33X_UART1_PHYS,
72		.end	= IOP33X_UART1_PHYS + 0x3f,
73		.flags	= IORESOURCE_MEM,
74	},
75	[1] = {
76		.start	= IRQ_IOP33X_UART1,
77		.end	= IRQ_IOP33X_UART1,
78		.flags	= IORESOURCE_IRQ,
79	},
80};
81
82static struct plat_serial8250_port iop33x_uart1_data[] = {
83	{
84		.membase	= (char *)IOP33X_UART1_VIRT,
85		.mapbase	= IOP33X_UART1_PHYS,
86		.irq		= IRQ_IOP33X_UART1,
87		.uartclk	= IOP33X_UART_XTAL,
88		.regshift	= 2,
89		.iotype		= UPIO_MEM,
90		.flags		= UPF_SKIP_TEST,
91	},
92	{ },
93};
94
95struct platform_device iop33x_uart1_device = {
96	.name		= "serial8250",
97	.id		= PLAT8250_DEV_PLATFORM1,
98	.dev		= {
99		.platform_data		= iop33x_uart1_data,
100	},
101	.num_resources	= 2,
102	.resource	= iop33x_uart1_resources,
103};
104