1 /* 1
2 * This file is subject to the terms and condi
3 * License. See the file "COPYING" in the mai
4 * for more details.
5 *
6 * Copyright (C) 2006, 07 MIPS Technologies, I
7 * written by Ralf Baechle (ralf@linux-mips.
8 * written by Ralf Baechle <ralf@linux-mip
9 *
10 * Copyright (C) 2008 Wind River Systems, Inc.
11 * updated by Tiejun Chen <tiejun.chen@windr
12 *
13 * 1. Probe driver for the Malta's UART ports:
14 *
15 * o 2 ports in the SMC SuperIO
16 * o 1 port in the CBUS UART, a discrete 165
17 * for bringups.
18 *
19 * We don't use 8250_platform.c on Malta as it
20 * UART becoming ttyS0.
21 *
22 * 2. Register RTC-CMOS platform device on Mal
23 */
24 #include <linux/init.h>
25 #include <linux/serial_8250.h>
26 #include <linux/irq.h>
27 #include <linux/platform_device.h>
28 #include <asm/mips-boards/maltaint.h>
29
30 #define SMC_PORT(base, int)
31 {
32 .iobase = base,
33 .irq = int,
34 .uartclk = 1843200,
35 .iotype = UPIO_PORT,
36 .flags = UPF_BOOT_AUTOCONF |
37 UPF_MAGIC_MULTIPLIER
38 .regshift = 0,
39 }
40
41 #define CBUS_UART_FLAGS (UPF_BOOT_AUTOCONF | U
42
43 static struct plat_serial8250_port uart8250_da
44 SMC_PORT(0x3F8, 4),
45 SMC_PORT(0x2F8, 3),
46 {
47 .mapbase = 0x1f000900,
48 .irq = MIPS_CPU_IRQ
49 .uartclk = 3686400,
50 .iotype = IS_ENABLED(C
51 UPIO_MEM32BE
52 .flags = CBUS_UART_FL
53 .regshift = 3,
54 },
55 { },
56 };
57
58 static struct platform_device malta_uart8250_d
59 .name = "serial8250"
60 .id = PLAT8250_DEV
61 .dev = {
62 .platform_data = uart8250_dat
63 },
64 };
65
66 static struct platform_device *malta_devices[]
67 &malta_uart8250_device,
68 };
69
70 static int __init malta_add_devices(void)
71 {
72 return platform_add_devices(malta_devi
73 }
74
75 device_initcall(malta_add_devices);
76
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.