// SPDX-License-Identifier: GPL-2.0-or-later
|
/*
|
* Copyright (C) 2009 Lemote Inc.
|
* Author: Wu Zhangjin, wuzhangjin@gmail.com
|
*/
|
|
#include <linux/export.h>
|
#include <asm/bootinfo.h>
|
#include <asm/setup.h>
|
|
#include <loongson.h>
|
|
/* raw */
|
unsigned long loongson_uart_base;
|
/* ioremapped */
|
unsigned long _loongson_uart_base;
|
|
EXPORT_SYMBOL(loongson_uart_base);
|
EXPORT_SYMBOL(_loongson_uart_base);
|
|
void prom_init_loongson_uart_base(void)
|
{
|
switch (mips_machtype) {
|
case MACH_LEMOTE_FL2E:
|
loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8;
|
break;
|
case MACH_LEMOTE_FL2F:
|
case MACH_LEMOTE_LL2F:
|
loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8;
|
break;
|
case MACH_LEMOTE_ML2F7:
|
case MACH_LEMOTE_YL2F89:
|
case MACH_DEXXON_GDIUM2F10:
|
case MACH_LEMOTE_NAS:
|
default:
|
/* The CPU provided serial port (LPC) */
|
loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8;
|
break;
|
}
|
|
_loongson_uart_base = TO_UNCAC(loongson_uart_base);
|
setup_8250_early_printk_port(_loongson_uart_base, 0, 1024);
|
}
|
