Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-arm/arch-h720x/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 | ||
be509729 | 10 | #include <asm/arch/hardware.h> |
1da177e4 LT |
11 | |
12 | #define LSR 0x14 | |
13 | #define TEMPTY 0x40 | |
14 | ||
a081568d | 15 | static inline void putc(int c) |
1da177e4 | 16 | { |
1da177e4 LT |
17 | volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000); |
18 | ||
a081568d RK |
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 | ||
27 | static inline void flush(void) | |
28 | { | |
1da177e4 LT |
29 | } |
30 | ||
31 | /* | |
32 | * nothing to do | |
33 | */ | |
34 | #define arch_decomp_setup() | |
35 | #define arch_decomp_wdog() | |
36 | ||
37 | #endif |