/* * include/asm-v850/v850e_cache.h -- Cache control for V850E cache memories * * Copyright (C) 2001,03 NEC Electronics Corporation * Copyright (C) 2001,03 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this * archive for more details. * * Written by Miles Bader <miles@gnu.org> */ /* This file implements cache control for the rather simple cache used on some V850E CPUs, specifically the NB85E/TEG CPU-core and the V850E/ME2 CPU. V850E2 processors have their own (better) cache implementation. */ #ifndef __V850_V850E_CACHE_H__ #define __V850_V850E_CACHE_H__ #include <asm/types.h> /* Cache control registers. */ #define V850E_CACHE_BHC_ADDR 0xFFFFF06A #define V850E_CACHE_BHC (*(volatile u16 *)V850E_CACHE_BHC_ADDR) #define V850E_CACHE_ICC_ADDR 0xFFFFF070 #define V850E_CACHE_ICC (*(volatile u16 *)V850E_CACHE_ICC_ADDR) #define V850E_CACHE_ISI_ADDR 0xFFFFF072 #define V850E_CACHE_ISI (*(volatile u16 *)V850E_CACHE_ISI_ADDR) #define V850E_CACHE_DCC_ADDR 0xFFFFF078 #define V850E_CACHE_DCC (*(volatile u16 *)V850E_CACHE_DCC_ADDR) /* Size of a cache line in bytes. */ #define V850E_CACHE_LINE_SIZE 16 /* For <asm/cache.h> */ #define L1_CACHE_BYTES V850E_CACHE_LINE_SIZE #if defined(__KERNEL__) && !defined(__ASSEMBLY__) /* Set caching params via the BHC, ICC, and DCC registers. */ void v850e_cache_enable (u16 bhc, u16 icc, u16 dcc); #endif /* __KERNEL__ && !__ASSEMBLY__ */ #endif /* __V850_V850E_CACHE_H__ */