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/clock.c | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/tzpc.c | 57 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5p-common/Makefile | 2 |
4 files changed, 64 insertions, 7 deletions
diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index 9119961..b2f9152 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/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 223660a..e1c4246 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -116,10 +116,8 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k) /* FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV) */ fout = (m + k / 1024) * (freq / (p * (1 << s))); } else { - if (s < 1) - s = 1; - /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */ - fout = m * (freq / (p * (1 << (s - 1)))); + /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */ + fout = m * (freq / (p * (1 << s))); } return fout; @@ -613,7 +611,7 @@ static unsigned long exynos4_get_mmc_clk(int dev_index) (struct exynos4_clock *)samsung_get_base_clock(); unsigned long uclk, sclk; unsigned int sel, ratio, pre_ratio; - int shift; + int shift = 0; sel = readl(&clk->src_fsys); sel = (sel >> (dev_index << 2)) & 0xf; @@ -662,7 +660,7 @@ static unsigned long exynos5_get_mmc_clk(int dev_index) (struct exynos5_clock *)samsung_get_base_clock(); unsigned long uclk, sclk; unsigned int sel, ratio, pre_ratio; - int shift; + int shift = 0; sel = readl(&clk->src_fsys); sel = (sel >> (dev_index << 2)) & 0xf; diff --git a/arch/arm/cpu/armv7/exynos/tzpc.c b/arch/arm/cpu/armv7/exynos/tzpc.c new file mode 100644 index 0000000..f5e8e9c --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/tzpc.c @@ -0,0 +1,57 @@ +/* + * 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 <common.h> +#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, start = 0, end = 0; + + start = samsung_get_base_tzpc(); + + if (cpu_is_exynos5()) + end = start + ((EXYNOS5_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); + else if (cpu_is_exynos4()) + end = start + ((EXYNOS4_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); + + for (addr = start; addr <= end; addr += TZPC_BASE_OFFSET) { + tzpc = (struct exynos_tzpc *)addr; + + if (addr == start) + writel(R0SIZE, &tzpc->r0size); + + writel(DECPROTXSET, &tzpc->decprot0set); + writel(DECPROTXSET, &tzpc->decprot1set); + + if (cpu_is_exynos5() && (addr == end)) + break; + + writel(DECPROTXSET, &tzpc->decprot2set); + writel(DECPROTXSET, &tzpc->decprot3set); + } +} diff --git a/arch/arm/cpu/armv7/s5p-common/Makefile b/arch/arm/cpu/armv7/s5p-common/Makefile index 1705399..0c38bd0 100644 --- a/arch/arm/cpu/armv7/s5p-common/Makefile +++ b/arch/arm/cpu/armv7/s5p-common/Makefile @@ -26,9 +26,11 @@ include $(TOPDIR)/config.mk LIB = $(obj)libs5p-common.o COBJS-y += cpu_info.o +ifndef CONFIG_SPL_BUILD COBJS-y += timer.o COBJS-y += sromc.o COBJS-$(CONFIG_PWM) += pwm.o +endif SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS)) |