blob: 2b48fab6f0c6645dc9b44efe6deab75be0b7150f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/* linux/drivers/serial/bast_sio.c
*
* Copyright (c) 2004 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* http://www.simtec.co.uk/products/EB2410ITX/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Modifications:
* 23-Sep-2004 BJD Added copyright header
* 23-Sep-2004 BJD Added serial port remove code
*/
#include <linux/module.h>
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/types.h>
#include <asm/io.h>
#include <asm/serial.h>
#include <asm/mach-types.h>
#include <asm/arch/map.h>
#include <asm/arch/irqs.h>
#include <asm/arch/bast-map.h>
#include <asm/arch/bast-irq.h>
static int __init serial_bast_register(unsigned long port, unsigned int irq)
{
struct serial_struct serial_req;
serial_req.flags = UPF_AUTOPROBE | UPF_SHARE_IRQ;
serial_req.baud_base = BASE_BAUD;
serial_req.irq = irq;
serial_req.io_type = UPIO_MEM;
serial_req.iomap_base = port;
serial_req.iomem_base = ioremap(port, 0x10);
serial_req.iomem_reg_shift = 0;
return register_serial(&serial_req);
}
#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
static int port[2] = { -1, -1 };
static int __init serial_bast_init(void)
{
if (machine_is_bast()) {
port[0] = serial_bast_register(SERIAL_BASE + 0x2f8, IRQ_PCSERIAL1);
port[1] = serial_bast_register(SERIAL_BASE + 0x3f8, IRQ_PCSERIAL2);
}
return 0;
}
static void __exit serial_bast_exit(void)
{
if (port[0] != -1)
unregister_serial(port[0]);
if (port[1] != -1)
unregister_serial(port[1]);
}
module_init(serial_bast_init);
module_exit(serial_bast_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ben Dooks, ben@simtec.co.uk");
MODULE_DESCRIPTION("BAST Onboard Serial setup");
|
