original_kernel/arch/mips/loongson/common/uart_base.c

37 lines
1.1 KiB
C

/*
* Copyright (C) 2009 Lemote Inc.
* Author: Wu Zhangjin, wuzj@lemote.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/module.h>
#include <asm/bootinfo.h>
#include <loongson.h>
unsigned long __maybe_unused _loongson_uart_base;
EXPORT_SYMBOL(_loongson_uart_base);
unsigned long __maybe_unused uart8250_base[] = {
[MACH_LOONGSON_UNKNOWN] 0,
[MACH_LEMOTE_FL2E] (LOONGSON_PCIIO_BASE + 0x3f8),
[MACH_LEMOTE_FL2F] (LOONGSON_PCIIO_BASE + 0x2f8),
[MACH_LEMOTE_ML2F7] (LOONGSON_LIO1_BASE + 0x3f8),
[MACH_LEMOTE_YL2F89] (LOONGSON_LIO1_BASE + 0x3f8),
[MACH_DEXXON_GDIUM2F10] (LOONGSON_LIO1_BASE + 0x3f8),
[MACH_LEMOTE_NAS] (LOONGSON_LIO1_BASE + 0x3f8),
[MACH_LEMOTE_LL2F] (LOONGSON_PCIIO_BASE + 0x2f8),
[MACH_LOONGSON_END] 0,
};
EXPORT_SYMBOL(uart8250_base);
void __maybe_unused prom_init_uart_base(void)
{
_loongson_uart_base =
(unsigned long)ioremap_nocache(uart8250_base[mips_machtype], 8);
}