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yaml
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r: 177868
b: refs/heads/master
c: db54ff2
h: refs/heads/master
v: v3
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Wu Zhangjin authored and Ralf Baechle committed Dec 17, 2009
1 parent 1fcd169 commit 8626b9d
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Showing 2 changed files with 6 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: f6d4ff02c60e18797279270d09791768e43cd269
refs/heads/master: db54ff246eae5acb6b7dffec2c05e682f91e0f4e
10 changes: 5 additions & 5 deletions trunk/arch/mips/loongson/common/early_printk.c
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/* early printk support
*
* Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca>
* Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
* Copyright (c) 2009 Lemote Inc.
* Author: Wu Zhangjin, wuzj@lemote.com
*
* This program is free software; you can redistribute it and/or modify it
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#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);
unsigned char *uart_base =
(unsigned char *) ioremap_nocache(LOONGSON_UART_BASE, 8);

while ((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0)
;
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