53 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			53 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  *  arch/arm/mach-vexpress/include/mach/uncompress.h | ||
|  |  * | ||
|  |  *  Copyright (C) 2003 ARM Limited | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU General Public License as published by | ||
|  |  * the Free Software Foundation; either version 2 of the License, or | ||
|  |  * (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU General Public License | ||
|  |  * along with this program; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | ||
|  |  */ | ||
|  | #define AMBA_UART_DR(base)	(*(volatile unsigned char *)((base) + 0x00))
 | ||
|  | #define AMBA_UART_LCRH(base)	(*(volatile unsigned char *)((base) + 0x2c))
 | ||
|  | #define AMBA_UART_CR(base)	(*(volatile unsigned char *)((base) + 0x30))
 | ||
|  | #define AMBA_UART_FR(base)	(*(volatile unsigned char *)((base) + 0x18))
 | ||
|  | 
 | ||
|  | #define get_uart_base()	(0x10000000 + 0x00009000)
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * This does not append a newline | ||
|  |  */ | ||
|  | static inline void putc(int c) | ||
|  | { | ||
|  | 	unsigned long base = get_uart_base(); | ||
|  | 
 | ||
|  | 	while (AMBA_UART_FR(base) & (1 << 5)) | ||
|  | 		barrier(); | ||
|  | 
 | ||
|  | 	AMBA_UART_DR(base) = c; | ||
|  | } | ||
|  | 
 | ||
|  | static inline void flush(void) | ||
|  | { | ||
|  | 	unsigned long base = get_uart_base(); | ||
|  | 
 | ||
|  | 	while (AMBA_UART_FR(base) & (1 << 3)) | ||
|  | 		barrier(); | ||
|  | } | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * nothing to do | ||
|  |  */ | ||
|  | #define arch_decomp_setup()
 | ||
|  | #define arch_decomp_wdog()
 |