mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-25 10:08:21 +01:00 
			
		
		
		
	Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
		
			
				
	
	
		
			37 lines
		
	
	
		
			710 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			710 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2011 The Chromium OS Authors.
 | |
|  *
 | |
|  * SPDX-License-Identifier:	GPL-2.0+
 | |
|  */
 | |
| 
 | |
| #ifndef __X86_CACHE_H__
 | |
| #define __X86_CACHE_H__
 | |
| 
 | |
| /*
 | |
|  * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment.  Otherwise
 | |
|  * use 64-bytes, a safe default for x86.
 | |
|  */
 | |
| #ifdef CONFIG_SYS_CACHELINE_SIZE
 | |
| #define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
 | |
| #else
 | |
| #define ARCH_DMA_MINALIGN	64
 | |
| #endif
 | |
| 
 | |
| static inline void wbinvd(void)
 | |
| {
 | |
| 	asm volatile ("wbinvd" : : : "memory");
 | |
| }
 | |
| 
 | |
| static inline void invd(void)
 | |
| {
 | |
| 	asm volatile("invd" : : : "memory");
 | |
| }
 | |
| 
 | |
| /* Enable caches and write buffer */
 | |
| void enable_caches(void);
 | |
| 
 | |
| /* Disable caches and write buffer */
 | |
| void disable_caches(void);
 | |
| 
 | |
| #endif /* __X86_CACHE_H__ */
 |