Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com --- Makefile | 2 +- cpu/arm720t/cpu.c | 62 -------------- cpu/arm720t/s3c4510b/Makefile | 46 +++++++++++ cpu/arm720t/s3c4510b/cache.c | 86 ++++++++++++++++++++ include/asm-arm/arch-arm720t/hardware.h | 4 +- .../s3c4510b.h => arch-s3c4510b/hardware.h} | 0 6 files changed, 134 insertions(+), 66 deletions(-) create mode 100644 cpu/arm720t/s3c4510b/Makefile create mode 100644 cpu/arm720t/s3c4510b/cache.c rename include/asm-arm/{arch-arm720t/s3c4510b.h => arch-s3c4510b/hardware.h} (100%)
diff --git a/Makefile b/Makefile index 1cce381..a6dadf6 100644 --- a/Makefile +++ b/Makefile @@ -2943,7 +2943,7 @@ modnet50_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm720t modnet50
evb4510_config : unconfig - @$(MKCONFIG) $(@:_config=) arm arm720t evb4510 + @$(MKCONFIG) $(@:_config=) arm arm720t evb4510 NULL s3c4510b
lpc2292sodimm_config: unconfig @$(MKCONFIG) $(@:_config=) arm arm720t lpc2292sodimm NULL lpc2292 diff --git a/cpu/arm720t/cpu.c b/cpu/arm720t/cpu.c index 5ac8f59..8166982 100644 --- a/cpu/arm720t/cpu.c +++ b/cpu/arm720t/cpu.c @@ -188,71 +188,9 @@ int dcache_status (void) { return (read_p15_c1 () & C1_IDC) != 0; } - -#elif defined(CONFIG_S3C4510B) - -void icache_enable (void) -{ - s32 i; - - /* disable all cache bits */ - CLR_REG( REG_SYSCFG, 0x3F); - - /* 8KB cache, write enable */ - SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01); - - /* clear TAG RAM bits */ - for ( i = 0; i < 256; i++) - PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000); - - /* clear SET0 RAM */ - for(i=0; i < 1024; i++) - PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000); - - /* clear SET1 RAM */ - for(i=0; i < 1024; i++) - PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000); - - /* enable cache */ - SET_REG( REG_SYSCFG, CACHE_ENABLE); - -} - -void icache_disable (void) -{ - /* disable all cache bits */ - CLR_REG( REG_SYSCFG, 0x3F); -} - -int icache_status (void) -{ - return GET_REG( REG_SYSCFG) & CACHE_ENABLE; -} - -void dcache_enable (void) -{ - /* we don't have seperate instruction/data caches */ - icache_enable(); -} - -void dcache_disable (void) -{ - /* we don't have seperate instruction/data caches */ - icache_disable(); -} - -int dcache_status (void) -{ - /* we don't have seperate instruction/data caches */ - return icache_status(); -} - #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No specific cache setup for IntegratorAP/CM720T as yet */ void icache_enable (void) { } -#elif defined(CONFIG_LPC2292) /* just to satisfy the compiler */ -#else -#error No icache/dcache enable/disable functions defined for this CPU type #endif diff --git a/cpu/arm720t/s3c4510b/Makefile b/cpu/arm720t/s3c4510b/Makefile new file mode 100644 index 0000000..c9520b6 --- /dev/null +++ b/cpu/arm720t/s3c4510b/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).a + +COBJS-y += cache.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### + diff --git a/cpu/arm720t/s3c4510b/cache.c b/cpu/arm720t/s3c4510b/cache.c new file mode 100644 index 0000000..104d287 --- /dev/null +++ b/cpu/arm720t/s3c4510b/cache.c @@ -0,0 +1,86 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger mgroeger@sysgo.de + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke azu@sysgo.de + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/hardware.h> + +void icache_enable (void) +{ + s32 i; + + /* disable all cache bits */ + CLR_REG( REG_SYSCFG, 0x3F); + + /* 8KB cache, write enable */ + SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01); + + /* clear TAG RAM bits */ + for ( i = 0; i < 256; i++) + PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000); + + /* clear SET0 RAM */ + for(i=0; i < 1024; i++) + PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000); + + /* clear SET1 RAM */ + for(i=0; i < 1024; i++) + PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000); + + /* enable cache */ + SET_REG( REG_SYSCFG, CACHE_ENABLE); + +} + +void icache_disable (void) +{ + /* disable all cache bits */ + CLR_REG( REG_SYSCFG, 0x3F); +} + +int icache_status (void) +{ + return GET_REG( REG_SYSCFG) & CACHE_ENABLE; +} + +void dcache_enable (void) +{ + /* we don't have seperate instruction/data caches */ + icache_enable(); +} + +void dcache_disable (void) +{ + /* we don't have seperate instruction/data caches */ + icache_disable(); +} + +int dcache_status (void) +{ + /* we don't have seperate instruction/data caches */ + return icache_status(); +} diff --git a/include/asm-arm/arch-arm720t/hardware.h b/include/asm-arm/arch-arm720t/hardware.h index 3056ca7..ec053c9 100644 --- a/include/asm-arm/arch-arm720t/hardware.h +++ b/include/asm-arm/arch-arm720t/hardware.h @@ -24,9 +24,7 @@ * MA 02111-1307 USA */
-#if defined(CONFIG_S3C4510B) -#include <asm-arm/arch-arm720t/s3c4510b.h> -#elif defined(CONFIG_NETARM) +#if defined(CONFIG_NETARM) #include <asm-arm/arch-arm720t/netarm_registers.h> #elif defined(CONFIG_IMPA7) /* include IMPA7 specific hardware file if there was one */ diff --git a/include/asm-arm/arch-arm720t/s3c4510b.h b/include/asm-arm/arch-s3c4510b/hardware.h similarity index 100% rename from include/asm-arm/arch-arm720t/s3c4510b.h rename to include/asm-arm/arch-s3c4510b/hardware.h