ia64/linux-2.6.18-xen.hg

view include/asm-arm/arch-at91rm9200/uncompress.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 /*
2 * include/asm-arm/arch-at91rm9200/uncompress.h
3 *
4 * Copyright (C) 2003 SAN People
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 */
21 #ifndef __ASM_ARCH_UNCOMPRESS_H
22 #define __ASM_ARCH_UNCOMPRESS_H
24 #include <asm/hardware.h>
26 /*
27 * The following code assumes the serial port has already been
28 * initialized by the bootloader. We search for the first enabled
29 * port in the most probable order. If you didn't setup a port in
30 * your bootloader then nothing will appear (which might be desired).
31 *
32 * This does not append a newline
33 */
34 static void putc(int c)
35 {
36 void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
38 while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
39 barrier();
40 __raw_writel(c, sys + AT91_DBGU_THR);
41 }
43 static inline void flush(void)
44 {
45 void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
47 /* wait for transmission to complete */
48 while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
49 barrier();
50 }
52 #define arch_decomp_setup()
54 #define arch_decomp_wdog()
56 #endif