SROM configuration is same for various S5P series Boards.
Signed-off-by: Chander Kashyap chander.kashyap@linaro.org --- arch/arm/cpu/armv7/s5p-common/Makefile | 3 +- arch/arm/cpu/armv7/s5p-common/sromc.c | 49 ++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 1 deletions(-) create mode 100644 arch/arm/cpu/armv7/s5p-common/sromc.c
diff --git a/arch/arm/cpu/armv7/s5p-common/Makefile b/arch/arm/cpu/armv7/s5p-common/Makefile index ce0a41e..1705399 100644 --- a/arch/arm/cpu/armv7/s5p-common/Makefile +++ b/arch/arm/cpu/armv7/s5p-common/Makefile @@ -27,7 +27,8 @@ LIB = $(obj)libs5p-common.o
COBJS-y += cpu_info.o COBJS-y += timer.o -COBJS-$(CONFIG_PWM) += pwm.o +COBJS-y += sromc.o +COBJS-$(CONFIG_PWM) += pwm.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS)) diff --git a/arch/arm/cpu/armv7/s5p-common/sromc.c b/arch/arm/cpu/armv7/s5p-common/sromc.c new file mode 100644 index 0000000..091e8d1 --- /dev/null +++ b/arch/arm/cpu/armv7/s5p-common/sromc.c @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2010 Samsung Electronics + * Naveen Krishna Ch ch.naveen@samsung.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 <common.h> +#include <asm/io.h> +#include <asm/arch/sromc.h> + +/* + * s5p_config_sromc() - select the proper SROMC Bank and configure the + * band width control and bank control registers + * srom_bank - SROM + * srom_bw_conf - SMC Band witdh reg configuration value + * srom_bc_conf - SMC Bank Control reg configuration value + */ +void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf) +{ + u32 tmp; + struct s5p_sromc *srom = + (struct s5p_sromc *)samsung_get_base_sromc(); + + /* Configure SMC_BW register to handle proper SROMC bank */ + tmp = srom->bw; + tmp &= ~(0xF << (srom_bank * 4)); + tmp |= srom_bw_conf; + srom->bw = tmp; + + /* Configure SMC_BC register */ + srom->bc[srom_bank] = srom_bc_conf; +} -- 1.7.1