1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  arch/arm/mach-footbridge/include/mach/uncompress.h
4 *
5 *  Copyright (C) 1996-1999 Russell King
6 */
7#include <asm/mach-types.h>
8
9/*
10 * Note! This could cause problems on the NetWinder
11 */
12#define DC21285_BASE ((volatile unsigned int *)0x42000160)
13#define SER0_BASE    ((volatile unsigned char *)0x7c0003f8)
14
15static inline void putc(char c)
16{
17	if (machine_is_netwinder()) {
18		while ((SER0_BASE[5] & 0x60) != 0x60)
19			barrier();
20		SER0_BASE[0] = c;
21	} else {
22		while (DC21285_BASE[6] & 8);
23		DC21285_BASE[0] = c;
24	}
25}
26
27static inline void flush(void)
28{
29}
30
31/*
32 * nothing to do
33 */
34#define arch_decomp_setup()
35