Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>master
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#
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# (C) Copyright 2000-2008
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(SOC).a
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COBJS-y += cache.o
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SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
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OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
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all: $(obj).depend $(LIB) |
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$(LIB): $(OBJS) |
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$(AR) $(ARFLAGS) $@ $(OBJS)
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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@ -0,0 +1,86 @@ |
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/*
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Marius Groeger <mgroeger@sysgo.de> |
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* |
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Alex Zuepke <azu@sysgo.de> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <asm/hardware.h> |
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void icache_enable (void) |
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{ |
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s32 i; |
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/* disable all cache bits */ |
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CLR_REG( REG_SYSCFG, 0x3F); |
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/* 8KB cache, write enable */ |
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SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01); |
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/* clear TAG RAM bits */ |
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for ( i = 0; i < 256; i++) |
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PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000); |
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/* clear SET0 RAM */ |
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for(i=0; i < 1024; i++) |
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PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000); |
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/* clear SET1 RAM */ |
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for(i=0; i < 1024; i++) |
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PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000); |
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/* enable cache */ |
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SET_REG( REG_SYSCFG, CACHE_ENABLE); |
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} |
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void icache_disable (void) |
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{ |
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/* disable all cache bits */ |
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CLR_REG( REG_SYSCFG, 0x3F); |
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} |
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int icache_status (void) |
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{ |
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return GET_REG( REG_SYSCFG) & CACHE_ENABLE; |
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} |
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void dcache_enable (void) |
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{ |
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/* we don't have seperate instruction/data caches */ |
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icache_enable(); |
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} |
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void dcache_disable (void) |
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{ |
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/* we don't have seperate instruction/data caches */ |
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icache_disable(); |
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} |
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int dcache_status (void) |
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{ |
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/* we don't have seperate instruction/data caches */ |
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return icache_status(); |
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} |
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