1 /* 1 /*
2 * This file is subject to the terms and condi 2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the mai 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (C) 2007 Ralf Baechle (ralf@linux 6 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
7 * 7 *
8 * Copyright (C) 2009 Lemote, Inc. 8 * Copyright (C) 2009 Lemote, Inc.
9 * Author: Yan hua (yanhua@lemote.com) 9 * Author: Yan hua (yanhua@lemote.com)
10 * Author: Wu Zhangjin (wuzhangjin@gmail.com) 10 * Author: Wu Zhangjin (wuzhangjin@gmail.com)
11 */ 11 */
12 12
13 #include <linux/io.h> 13 #include <linux/io.h>
14 #include <linux/module.h> 14 #include <linux/module.h>
15 #include <linux/serial_8250.h> 15 #include <linux/serial_8250.h>
16 16
17 #include <asm/bootinfo.h> 17 #include <asm/bootinfo.h>
18 18
19 #include <loongson.h> 19 #include <loongson.h>
20 #include <machine.h> 20 #include <machine.h>
21 21
22 #define PORT(int, clk) \ 22 #define PORT(int, clk) \
23 { 23 { \
24 .irq = int, 24 .irq = int, \
25 .uartclk = clk, 25 .uartclk = clk, \
26 .iotype = UPIO_PORT, 26 .iotype = UPIO_PORT, \
27 .flags = UPF_BOOT_AUTOCONF | 27 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
28 .regshift = 0, 28 .regshift = 0, \
29 } 29 }
30 30
31 #define PORT_M(int, clk) 31 #define PORT_M(int, clk) \
32 { 32 { \
33 .irq = MIPS_CPU_IRQ_BASE + 33 .irq = MIPS_CPU_IRQ_BASE + (int), \
34 .uartclk = clk, 34 .uartclk = clk, \
35 .iotype = UPIO_MEM, 35 .iotype = UPIO_MEM, \
36 .membase = (void __iomem *)NULL 36 .membase = (void __iomem *)NULL, \
37 .flags = UPF_BOOT_AUTOCONF | 37 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
38 .regshift = 0, 38 .regshift = 0, \
39 } 39 }
40 40
41 static struct plat_serial8250_port uart8250_da 41 static struct plat_serial8250_port uart8250_data[MACH_LOONGSON_END + 1] = {
42 [MACH_LOONGSON_UNKNOWN] = {}, 42 [MACH_LOONGSON_UNKNOWN] = {},
43 [MACH_LEMOTE_FL2E] = PORT(4, 1843 43 [MACH_LEMOTE_FL2E] = PORT(4, 1843200),
44 [MACH_LEMOTE_FL2F] = PORT(3, 1843 44 [MACH_LEMOTE_FL2F] = PORT(3, 1843200),
45 [MACH_LEMOTE_ML2F7] = PORT_M(3, 36 45 [MACH_LEMOTE_ML2F7] = PORT_M(3, 3686400),
46 [MACH_LEMOTE_YL2F89] = PORT_M(3, 36 46 [MACH_LEMOTE_YL2F89] = PORT_M(3, 3686400),
47 [MACH_DEXXON_GDIUM2F10] = PORT_M(3, 36 47 [MACH_DEXXON_GDIUM2F10] = PORT_M(3, 3686400),
48 [MACH_LEMOTE_NAS] = PORT_M(3, 36 48 [MACH_LEMOTE_NAS] = PORT_M(3, 3686400),
49 [MACH_LEMOTE_LL2F] = PORT(3, 1843 49 [MACH_LEMOTE_LL2F] = PORT(3, 1843200),
50 [MACH_LOONGSON_END] = {}, 50 [MACH_LOONGSON_END] = {},
51 }; 51 };
52 52
53 static struct platform_device uart8250_device 53 static struct platform_device uart8250_device = {
54 .name = "serial8250", 54 .name = "serial8250",
55 .id = PLAT8250_DEV_PLATFORM, 55 .id = PLAT8250_DEV_PLATFORM,
56 }; 56 };
57 57
58 static int __init serial_init(void) 58 static int __init serial_init(void)
59 { 59 {
60 unsigned char iotype; 60 unsigned char iotype;
61 61
62 iotype = uart8250_data[mips_machtype]. 62 iotype = uart8250_data[mips_machtype].iotype;
63 63
64 if (UPIO_MEM == iotype) { 64 if (UPIO_MEM == iotype) {
65 uart8250_data[mips_machtype].m 65 uart8250_data[mips_machtype].mapbase =
66 loongson_uart_base; 66 loongson_uart_base;
67 uart8250_data[mips_machtype].m 67 uart8250_data[mips_machtype].membase =
68 (void __iomem *)_loong 68 (void __iomem *)_loongson_uart_base;
69 } 69 }
70 else if (UPIO_PORT == iotype) 70 else if (UPIO_PORT == iotype)
71 uart8250_data[mips_machtype].i 71 uart8250_data[mips_machtype].iobase =
72 loongson_uart_base - L 72 loongson_uart_base - LOONGSON_PCIIO_BASE;
73 73
74 memset(&uart8250_data[mips_machtype + 74 memset(&uart8250_data[mips_machtype + 1], 0,
75 sizeof(struct plat_ser 75 sizeof(struct plat_serial8250_port));
76 uart8250_device.dev.platform_data = &u 76 uart8250_device.dev.platform_data = &uart8250_data[mips_machtype];
77 77
78 return platform_device_register(&uart8 78 return platform_device_register(&uart8250_device);
79 } 79 }
80 module_init(serial_init); 80 module_init(serial_init);
81 81
82 static void __exit serial_exit(void) 82 static void __exit serial_exit(void)
83 { 83 {
84 platform_device_unregister(&uart8250_d 84 platform_device_unregister(&uart8250_device);
85 } 85 }
86 module_exit(serial_exit); 86 module_exit(serial_exit);
87 87
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