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https://github.com/AsahiLinux/u-boot
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s3c4510b: move specific code to soc directory
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
parent
04531f3c11
commit
281dfb0c0c
6 changed files with 134 additions and 66 deletions
2
Makefile
2
Makefile
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@ -2943,7 +2943,7 @@ modnet50_config : unconfig
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@$(MKCONFIG) $(@:_config=) arm arm720t modnet50
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evb4510_config : unconfig
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@$(MKCONFIG) $(@:_config=) arm arm720t evb4510
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@$(MKCONFIG) $(@:_config=) arm arm720t evb4510 NULL s3c4510b
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lpc2292sodimm_config: unconfig
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@$(MKCONFIG) $(@:_config=) arm arm720t lpc2292sodimm NULL lpc2292
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@ -188,71 +188,9 @@ int dcache_status (void)
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{
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return (read_p15_c1 () & C1_IDC) != 0;
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}
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#elif defined(CONFIG_S3C4510B)
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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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#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
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/* No specific cache setup for IntegratorAP/CM720T as yet */
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void icache_enable (void)
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{
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}
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#elif defined(CONFIG_LPC2292) /* just to satisfy the compiler */
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#else
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#error No icache/dcache enable/disable functions defined for this CPU type
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#endif
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46
cpu/arm720t/s3c4510b/Makefile
Normal file
46
cpu/arm720t/s3c4510b/Makefile
Normal file
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@ -0,0 +1,46 @@
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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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86
cpu/arm720t/s3c4510b/cache.c
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86
cpu/arm720t/s3c4510b/cache.c
Normal file
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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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@ -24,9 +24,7 @@
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* MA 02111-1307 USA
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*/
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#if defined(CONFIG_S3C4510B)
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#include <asm-arm/arch-arm720t/s3c4510b.h>
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#elif defined(CONFIG_NETARM)
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#if defined(CONFIG_NETARM)
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#include <asm-arm/arch-arm720t/netarm_registers.h>
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#elif defined(CONFIG_IMPA7)
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/* include IMPA7 specific hardware file if there was one */
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