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 
32 static 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 
45 static 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 
58 struct 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 
69 static 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 
82 static 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 
95 struct 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