diff options
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/armv7/exynos/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/exynos/tzpc.c | 48 |
2 files changed, 49 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index 9119961d95..b2f9152e1b 100644 --- a/arch/arm/cpu/armv7/exynos/Makefile +++ b/arch/arm/cpu/armv7/exynos/Makefile @@ -22,7 +22,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS += clock.o power.o soc.o system.o pinmux.o +COBJS += clock.o power.o soc.o system.o pinmux.o tzpc.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/arch/arm/cpu/armv7/exynos/tzpc.c b/arch/arm/cpu/armv7/exynos/tzpc.c new file mode 100644 index 0000000000..81adb4b57f --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/tzpc.c @@ -0,0 +1,48 @@ +/* + * Lowlevel setup for SMDK5250 board based on S5PC520 + * + * Copyright (C) 2012 Samsung Electronics + * + * 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 <asm/arch/tzpc.h> +#include <asm/io.h> + +/* Setting TZPC[TrustZone Protection Controller] */ +void tzpc_init(void) +{ + struct exynos_tzpc *tzpc; + unsigned int addr; + + for (addr = TZPC0_BASE; addr <= TZPC9_BASE; addr += TZPC_BASE_OFFSET) { + tzpc = (struct exynos_tzpc *)addr; + + if (addr == TZPC0_BASE) + writel(R0SIZE, &tzpc->r0size); + + writel(DECPROTXSET, &tzpc->decprot0set); + writel(DECPROTXSET, &tzpc->decprot1set); + + if (addr != TZPC9_BASE) { + writel(DECPROTXSET, &tzpc->decprot2set); + writel(DECPROTXSET, &tzpc->decprot3set); + } + } +} |