From patchwork Fri Nov 2 17:39:21 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,SPEAr,Enhancement,1/9] spear: Add cache support From: Vipin Kumar X-Patchwork-Id: 196700 Message-Id: <5b2a27f38a3e2359d4667b59fd8243d0ae3212cc.1351877331.git.vipin.kumar@st.com> To: Cc: sr@denx.de, spear-devel@list.st.com Date: Fri, 2 Nov 2012 23:09:21 +0530 Signed-off-by: Vipin Kumar --- arch/arm/cpu/arm926ejs/spear/Makefile | 7 ++++--- arch/arm/cpu/arm926ejs/spear/cache.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 3 deletions(-) create mode 100644 arch/arm/cpu/arm926ejs/spear/cache.c diff --git a/arch/arm/cpu/arm926ejs/spear/Makefile b/arch/arm/cpu/arm926ejs/spear/Makefile index 7d11035..cf29ede 100644 --- a/arch/arm/cpu/arm926ejs/spear/Makefile +++ b/arch/arm/cpu/arm926ejs/spear/Makefile @@ -25,9 +25,10 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS-y := cpu.o \ - reset.o \ - timer.o +COBJS-y += cache.o +COBJS-y += cpu.o +COBJS-y += reset.o +COBJS-y += timer.o COBJS-$(CONFIG_ST_EMI) += emi.o COBJS-$(CONFIG_ARCH_SPEAR3XX) += spear3xx.o diff --git a/arch/arm/cpu/arm926ejs/spear/cache.c b/arch/arm/cpu/arm926ejs/spear/cache.c new file mode 100644 index 0000000..351e8cd --- /dev/null +++ b/arch/arm/cpu/arm926ejs/spear/cache.c @@ -0,0 +1,32 @@ +/* + * (C) Copyright 2012 + * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. + * + * 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 + +void enable_caches(void) +{ +#ifndef CONFIG_SYS_DCACHE_OFF + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +#endif +}