MIPS: Loongson: Change the Email address of Wu Zhangjin

[mv-sheeva.git] / arch / mips / loongson / common / early_printk.c

diff --git a/arch/mips/loongson/common/early_printk.c b/arch/mips/loongson/common/early_printk.c
index bc73edc0cfd8a6532b37884141d89b5ccfc6f298..a71736f004430fb595313bdeb184b506fb24afaf 100644 (file)
--- a/arch/mips/loongson/common/early_printk.c
+++ b/arch/mips/loongson/common/early_printk.c
@@ -1,8 +1,8 @@
 /*  early printk support
  *
  *  Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca>
- *  Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
- *  Author: Wu Zhangjin, wuzj@lemote.com
+ *  Copyright (c) 2009 Lemote Inc.
+ *  Author: Wu Zhangjin, wuzhangjin@gmail.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
@@ -12,26 +12,29 @@
 #include <linux/serial_reg.h>
 
 #include <loongson.h>
-#include <machine.h>
 
 #define PORT(base, offset) (u8 *)(base + offset)
 
-static inline unsigned int serial_in(phys_addr_t base, int offset)
+static inline unsigned int serial_in(unsigned char *base, int offset)
 {
        return readb(PORT(base, offset));
 }
 
-static inline void serial_out(phys_addr_t base, int offset, int value)
+static inline void serial_out(unsigned char *base, int offset, int value)
 {
        writeb(value, PORT(base, offset));
 }
 
 void prom_putchar(char c)
 {
-       phys_addr_t uart_base =
-               (phys_addr_t) ioremap_nocache(LOONGSON_UART_BASE, 8);
+       int timeout;
+       unsigned char *uart_base;
 
-       while ((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0)
+       uart_base = (unsigned char *)_loongson_uart_base;
+       timeout = 1024;
+
+       while (((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0) &&
+                       (timeout-- > 0))
                ;
 
        serial_out(uart_base, UART_TX, c);