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-rw-r--r--arch/mips/jazz/jazz-platform.c60
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diff --git a/arch/mips/jazz/jazz-platform.c b/arch/mips/jazz/jazz-platform.c
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--- a/arch/mips/jazz/jazz-platform.c
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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
7 */
8#include <linux/init.h>
9#include <linux/module.h>
10#include <linux/serial_8250.h>
11
12#include <asm/jazz.h>
13
14/*
15 * Confusion ... It seems the original Microsoft Jazz machine used to have a
16 * 4.096MHz clock for its UART while the MIPS Magnum and Millenium systems
17 * had 8MHz. The Olivetti M700-10 and the Acer PICA have 1.8432MHz like PCs.
18 */
19#ifdef CONFIG_OLIVETTI_M700
20#define JAZZ_BASE_BAUD 1843200
21#else
22#define JAZZ_BASE_BAUD 8000000 /* 3072000 */
23#endif
24
25#define JAZZ_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
26
27#define JAZZ_PORT(base, int) \
28{ \
29 .mapbase = base, \
30 .irq = int, \
31 .uartclk = JAZZ_BASE_BAUD, \
32 .iotype = UPIO_MEM, \
33 .flags = JAZZ_UART_FLAGS, \
34 .regshift = 0, \
35}
36
37static struct plat_serial8250_port uart8250_data[] = {
38 JAZZ_PORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
39 JAZZ_PORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
40 { },
41};
42
43static struct platform_device uart8250_device = {
44 .name = "serial8250",
45 .id = PLAT8250_DEV_PLATFORM,
46 .dev = {
47 .platform_data = uart8250_data,
48 },
49};
50
51static int __init uart8250_init(void)
52{
53 return platform_device_register(&uart8250_device);
54}
55
56module_init(uart8250_init);
57
58MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
59MODULE_LICENSE("GPL");
60MODULE_DESCRIPTION("8250 UART probe driver for the Jazz family");