/arch/arm/mach-h720x/include/mach/uncompress.h
C++ Header | 37 lines | 18 code | 9 blank | 10 comment | 1 complexity | 2e4c298cec98114a2d23f44cdc8c2dc1 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * arch/arm/mach-h720x/include/mach/uncompress.h
3 *
4 * Copyright (C) 2001-2002 Jungjun Kim
5 */
6
7#ifndef __ASM_ARCH_UNCOMPRESS_H
8#define __ASM_ARCH_UNCOMPRESS_H
9
10#include <mach/hardware.h>
11
12#define LSR 0x14
13#define TEMPTY 0x40
14
15static inline void putc(int c)
16{
17 volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000);
18
19 /* wait until transmit buffer is empty */
20 while((p[LSR] & TEMPTY) == 0x0)
21 barrier();
22
23 /* write next character */
24 *p = c;
25}
26
27static inline void flush(void)
28{
29}
30
31/*
32 * nothing to do
33 */
34#define arch_decomp_setup()
35#define arch_decomp_wdog()
36
37#endif