blob: 32041509fbf84c2f393f32b2d7807f03f7af2036 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-ebsa110/include/mach/uncompress.h
3 *
4 * Copyright (C) 1996,1997,1998 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/serial_reg.h>
12
13#define SERIAL_BASE ((unsigned char *)0xf0000be0)
14
15/*
16 * This does not append a newline
17 */
18static inline void putc(int c)
19{
20 unsigned char v, *base = SERIAL_BASE;
21
22 do {
23 v = base[UART_LSR << 2];
24 barrier();
25 } while (!(v & UART_LSR_THRE));
26
27 base[UART_TX << 2] = c;
28}
29
30static inline void flush(void)
31{
32 unsigned char v, *base = SERIAL_BASE;
33
34 do {
35 v = base[UART_LSR << 2];
36 barrier();
37 } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) !=
38 (UART_LSR_TEMT|UART_LSR_THRE));
39}
40
41/*
42 * nothing to do
43 */
44#define arch_decomp_setup()
45#define arch_decomp_wdog()