33 lines
		
	
	
		
			886 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			886 B
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0+ */
 | 
						|
/*
 | 
						|
 * Copyright (c) 2011 The Chromium OS Authors.
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef __MIPS_CACHE_H__
 | 
						|
#define __MIPS_CACHE_H__
 | 
						|
 | 
						|
#define L1_CACHE_SHIFT		CONFIG_MIPS_L1_CACHE_SHIFT
 | 
						|
#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
 | 
						|
 | 
						|
#define ARCH_DMA_MINALIGN	(L1_CACHE_BYTES)
 | 
						|
 | 
						|
/*
 | 
						|
 * CONFIG_SYS_CACHELINE_SIZE is still used in various drivers primarily for
 | 
						|
 * DMA buffer alignment. Satisfy those drivers by providing it as a synonym
 | 
						|
 * of ARCH_DMA_MINALIGN for now.
 | 
						|
 */
 | 
						|
#define CONFIG_SYS_CACHELINE_SIZE ARCH_DMA_MINALIGN
 | 
						|
 | 
						|
#ifndef __ASSEMBLY__
 | 
						|
/**
 | 
						|
 * mips_cache_probe() - Probe the properties of the caches
 | 
						|
 *
 | 
						|
 * Call this to probe the properties such as line sizes of the caches
 | 
						|
 * present in the system, if any. This must be done before cache maintenance
 | 
						|
 * functions such as flush_cache may be called.
 | 
						|
 */
 | 
						|
void mips_cache_probe(void);
 | 
						|
#endif
 | 
						|
 | 
						|
#endif /* __MIPS_CACHE_H__ */
 |