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[ARM] 4663/1: Only putc uncompressor output into FFUART if it was enabled by the...
[linux-2.6-omap-h63xx.git] / include / asm-arm / arch-pxa / uncompress.h
1 /*
2  * linux/include/asm-arm/arch-pxa/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 <asm/arch/pxa-regs.h>
14
15 #define FFUART          ((volatile unsigned long *)0x40100000)
16 #define BTUART          ((volatile unsigned long *)0x40200000)
17 #define STUART          ((volatile unsigned long *)0x40700000)
18 #define HWUART          ((volatile unsigned long *)0x41600000)
19
20 #define UART            FFUART
21
22
23 static inline void putc(char c)
24 {
25         if (!(UART[UART_IER] & IER_UUE))
26                 return;
27         while (!(UART[UART_LSR] & LSR_TDRQ))
28                 barrier();
29         UART[UART_TX] = c;
30 }
31
32 /*
33  * This does not append a newline
34  */
35 static inline void flush(void)
36 {
37 }
38
39 /*
40  * nothing to do
41  */
42 #define arch_decomp_setup()
43 #define arch_decomp_wdog()