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1 /*
2  * arch/arm/mach-pxa/include/mach/uncompress.h
3  *
4  * Author:	Nicolas Pitre
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 version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/serial_reg.h>
13 #include <mach/regs-uart.h>
14 #include <asm/mach-types.h>
15 
16 #define __REG(x)       ((volatile unsigned long *)x)
17 
18 static volatile unsigned long *UART = FFUART;
19 
putc(char c)20 static inline void putc(char c)
21 {
22 	if (!(UART[UART_IER] & IER_UUE))
23 		return;
24 	while (!(UART[UART_LSR] & LSR_TDRQ))
25 		barrier();
26 	UART[UART_TX] = c;
27 }
28 
29 /*
30  * This does not append a newline
31  */
flush(void)32 static inline void flush(void)
33 {
34 }
35 
arch_decomp_setup(void)36 static inline void arch_decomp_setup(void)
37 {
38 	if (machine_is_littleton() || machine_is_intelmote2())
39 		UART = STUART;
40 }
41 
42 /*
43  * nothing to do
44  */
45 #define arch_decomp_wdog()
46