1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * Copyright (C) 2009 Lemote Inc. 3 * Copyright (C) 2009 Lemote Inc.
4 * Author: Wu Zhangjin, wuzhangjin@gmail.com 4 * Author: Wu Zhangjin, wuzhangjin@gmail.com
5 */ 5 */
6 6
7 #include <linux/export.h> 7 #include <linux/export.h>
8 #include <asm/bootinfo.h> 8 #include <asm/bootinfo.h>
9 #include <asm/setup.h> 9 #include <asm/setup.h>
10 10
11 #include <loongson.h> 11 #include <loongson.h>
12 12
13 /* raw */ 13 /* raw */
14 unsigned long loongson_uart_base; 14 unsigned long loongson_uart_base;
15 /* ioremapped */ 15 /* ioremapped */
16 unsigned long _loongson_uart_base; 16 unsigned long _loongson_uart_base;
17 17
18 EXPORT_SYMBOL(loongson_uart_base); 18 EXPORT_SYMBOL(loongson_uart_base);
19 EXPORT_SYMBOL(_loongson_uart_base); 19 EXPORT_SYMBOL(_loongson_uart_base);
20 20
21 void prom_init_loongson_uart_base(void) 21 void prom_init_loongson_uart_base(void)
22 { 22 {
23 switch (mips_machtype) { 23 switch (mips_machtype) {
24 case MACH_LEMOTE_FL2E: 24 case MACH_LEMOTE_FL2E:
25 loongson_uart_base = LOONGSON_ 25 loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8;
26 break; 26 break;
27 case MACH_LEMOTE_FL2F: 27 case MACH_LEMOTE_FL2F:
28 case MACH_LEMOTE_LL2F: 28 case MACH_LEMOTE_LL2F:
29 loongson_uart_base = LOONGSON_ 29 loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8;
30 break; 30 break;
31 case MACH_LEMOTE_ML2F7: 31 case MACH_LEMOTE_ML2F7:
32 case MACH_LEMOTE_YL2F89: 32 case MACH_LEMOTE_YL2F89:
33 case MACH_DEXXON_GDIUM2F10: 33 case MACH_DEXXON_GDIUM2F10:
34 case MACH_LEMOTE_NAS: 34 case MACH_LEMOTE_NAS:
35 default: 35 default:
36 /* The CPU provided serial por 36 /* The CPU provided serial port (LPC) */
37 loongson_uart_base = LOONGSON_ 37 loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8;
38 break; 38 break;
39 } 39 }
40 40
41 _loongson_uart_base = TO_UNCAC(loongso 41 _loongson_uart_base = TO_UNCAC(loongson_uart_base);
42 setup_8250_early_printk_port(_loongson 42 setup_8250_early_printk_port(_loongson_uart_base, 0, 1024);
43 } 43 }
44 44
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