| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 1 | /* | 
| Andrew Victor | 9d04126 | 2007-02-05 11:42:07 +0100 | [diff] [blame] | 2 | * include/asm-arm/arch-at91/uncompress.h | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 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 |  | 
| Andrew Victor | 030f481 | 2007-05-11 13:21:27 +0100 | [diff] [blame] | 24 | #include <asm/io.h> | 
| Andrew Victor | 55d8bae | 2006-11-30 17:16:43 +0100 | [diff] [blame] | 25 | #include <asm/arch/at91_dbgu.h> | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 26 |  | 
|  | 27 | /* | 
|  | 28 | * The following code assumes the serial port has already been | 
| Andrew Victor | 55d8bae | 2006-11-30 17:16:43 +0100 | [diff] [blame] | 29 | * initialized by the bootloader.  If you didn't setup a port in | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 30 | * your bootloader then nothing will appear (which might be desired). | 
|  | 31 | * | 
|  | 32 | * This does not append a newline | 
|  | 33 | */ | 
| Russell King | a081568 | 2006-03-28 10:24:33 +0100 | [diff] [blame] | 34 | static void putc(int c) | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 35 | { | 
| Greg Ungerer | b54942f | 2007-05-18 06:28:01 +0100 | [diff] [blame] | 36 | #ifdef AT91_DBGU | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 37 | void __iomem *sys = (void __iomem *) AT91_BASE_SYS;	/* physical address */ | 
|  | 38 |  | 
| Russell King | a081568 | 2006-03-28 10:24:33 +0100 | [diff] [blame] | 39 | while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) | 
|  | 40 | barrier(); | 
|  | 41 | __raw_writel(c, sys + AT91_DBGU_THR); | 
| Greg Ungerer | b54942f | 2007-05-18 06:28:01 +0100 | [diff] [blame] | 42 | #endif | 
| Russell King | a081568 | 2006-03-28 10:24:33 +0100 | [diff] [blame] | 43 | } | 
|  | 44 |  | 
|  | 45 | static inline void flush(void) | 
|  | 46 | { | 
| Greg Ungerer | b54942f | 2007-05-18 06:28:01 +0100 | [diff] [blame] | 47 | #ifdef AT91_DBGU | 
| Russell King | a081568 | 2006-03-28 10:24:33 +0100 | [diff] [blame] | 48 | void __iomem *sys = (void __iomem *) AT91_BASE_SYS;	/* physical address */ | 
|  | 49 |  | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 50 | /* wait for transmission to complete */ | 
| Russell King | a081568 | 2006-03-28 10:24:33 +0100 | [diff] [blame] | 51 | while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY)) | 
|  | 52 | barrier(); | 
| Greg Ungerer | b54942f | 2007-05-18 06:28:01 +0100 | [diff] [blame] | 53 | #endif | 
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 54 | } | 
|  | 55 |  | 
|  | 56 | #define arch_decomp_setup() | 
|  | 57 |  | 
|  | 58 | #define arch_decomp_wdog() | 
|  | 59 |  | 
|  | 60 | #endif |