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1 /*
2  * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
3  *
4  * Based on mach-pxa/include/mach/uncompress.h:
5  * Copyright:	(C) 2001 MontaVista Software Inc.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  */
12 
13 #ifndef __MACH_UNCOMPRESS_H
14 #define __MACH_UNCOMPRESS_H
15 
16 #include <linux/serial_reg.h>
17 #include <mach/hardware.h>
18 
19 static volatile unsigned long * const UART = (unsigned long *)GEMINI_UART_BASE;
20 
21 /*
22  * The following code assumes the serial port has already been
23  * initialized by the bootloader.  If you didn't setup a port in
24  * your bootloader then nothing will appear (which might be desired).
25  */
putc(char c)26 static inline void putc(char c)
27 {
28 	while (!(UART[UART_LSR] & UART_LSR_THRE))
29 		barrier();
30 	UART[UART_TX] = c;
31 }
32 
flush(void)33 static inline void flush(void)
34 {
35 }
36 
37 /*
38  * nothing to do
39  */
40 #define arch_decomp_setup()
41 
42 #endif /* __MACH_UNCOMPRESS_H */
43