1/*
2 *  arch/arm/mach-clps711x/include/mach/uncompress.h
3 *
4 *  Copyright (C) 2000 Deep Blue Solutions Ltd
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20#include <mach/clps711x.h>
21
22#ifdef CONFIG_DEBUG_CLPS711X_UART2
23#define SYSFLGx	SYSFLG2
24#define UARTDRx	UARTDR2
25#else
26#define SYSFLGx	SYSFLG1
27#define UARTDRx	UARTDR1
28#endif
29
30#define phys_reg(x)	(*(volatile u32 *)(CLPS711X_PHYS_BASE + (x)))
31
32/*
33 * The following code assumes the serial port has already been
34 * initialized by the bootloader.  If you didn't setup a port in
35 * your bootloader then nothing will appear (which might be desired).
36 *
37 * This does not append a newline
38 */
39static inline void putc(int c)
40{
41	while (phys_reg(SYSFLGx) & SYSFLG_UTXFF)
42		barrier();
43	phys_reg(UARTDRx) = c;
44}
45
46static inline void flush(void)
47{
48	while (phys_reg(SYSFLGx) & SYSFLG_UBUSY)
49		barrier();
50}
51
52/*
53 * nothing to do
54 */
55#define arch_decomp_setup()
56