Commit | Line | Data |
---|---|---|
73a59c1c SP |
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 | */ | |
20 | ||
21 | #ifndef __ASM_ARCH_UNCOMPRESS_H | |
22 | #define __ASM_ARCH_UNCOMPRESS_H | |
23 | ||
ea75ee9a | 24 | #include <asm/hardware.h> |
55d8baee | 25 | #include <asm/arch/at91_dbgu.h> |
73a59c1c SP |
26 | |
27 | /* | |
28 | * The following code assumes the serial port has already been | |
55d8baee | 29 | * initialized by the bootloader. If you didn't setup a port in |
73a59c1c SP |
30 | * your bootloader then nothing will appear (which might be desired). |
31 | * | |
32 | * This does not append a newline | |
33 | */ | |
a081568d RK |
34 | static void putc(int c) |
35 | { | |
36 | void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */ | |
37 | ||
38 | while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) | |
39 | barrier(); | |
40 | __raw_writel(c, sys + AT91_DBGU_THR); | |
41 | } | |
42 | ||
43 | static inline void flush(void) | |
73a59c1c SP |
44 | { |
45 | void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */ | |
46 | ||
73a59c1c | 47 | /* wait for transmission to complete */ |
a081568d RK |
48 | while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY)) |
49 | barrier(); | |
73a59c1c SP |
50 | } |
51 | ||
52 | #define arch_decomp_setup() | |
53 | ||
54 | #define arch_decomp_wdog() | |
55 | ||
56 | #endif |