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uncompress.h
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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 
15 static 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 
27 static 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