1/*
2 * arch/arm/mach-sa1100/include/mach/uncompress.h
3 *
4 * (C) 1999 Nicolas Pitre <nico@fluxnic.net>
5 *
6 * Reorganised to be machine independent.
7 */
8
9#include "hardware.h"
10
11#define IOMEM(x)	(x)
12
13/*
14 * The following code assumes the serial port has already been
15 * initialized by the bootloader.  We search for the first enabled
16 * port in the most probable order.  If you didn't setup a port in
17 * your bootloader then nothing will appear (which might be desired).
18 */
19
20#define UART(x)		(*(volatile unsigned long *)(serial_port + (x)))
21
22static void putc(int c)
23{
24	unsigned long serial_port;
25
26	do {
27		serial_port = _Ser3UTCR0;
28		if (UART(UTCR3) & UTCR3_TXE) break;
29		serial_port = _Ser1UTCR0;
30		if (UART(UTCR3) & UTCR3_TXE) break;
31		serial_port = _Ser2UTCR0;
32		if (UART(UTCR3) & UTCR3_TXE) break;
33		return;
34	} while (0);
35
36	/* wait for space in the UART's transmitter */
37	while (!(UART(UTSR1) & UTSR1_TNF))
38		barrier();
39
40	/* send the character out. */
41	UART(UTDR) = c;
42}
43
44static inline void flush(void)
45{
46}
47
48/*
49 * Nothing to do for these
50 */
51#define arch_decomp_setup()
52