Signed-off-by: Magnus Lilja lilja.magnus@gmail.com --- cpu/arm1136/mx31/Makefile | 1 + cpu/arm1136/mx31/devices.c | 56 ++++++++++++++++++++++++++++++++++++++ include/asm-arm/arch-mx31/mx31.h | 3 ++ 3 files changed, 60 insertions(+), 0 deletions(-) create mode 100644 cpu/arm1136/mx31/devices.c
diff --git a/cpu/arm1136/mx31/Makefile b/cpu/arm1136/mx31/Makefile index 1e49e8d..c8e18f7 100644 --- a/cpu/arm1136/mx31/Makefile +++ b/cpu/arm1136/mx31/Makefile @@ -27,6 +27,7 @@ LIB = $(obj)lib$(SOC).a
COBJS += generic.o COBJS += timer.o +COBJS += devices.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/arm1136/mx31/devices.c b/cpu/arm1136/mx31/devices.c new file mode 100644 index 0000000..1f4ca7e --- /dev/null +++ b/cpu/arm1136/mx31/devices.c @@ -0,0 +1,56 @@ +/* + * + * (C) Copyright 2009 Magnus Lilja lilja.magnus@gmail.com + * + * (c) 2007 Pengutronix, Sascha Hauer s.hauer@pengutronix.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/arch/mx31-regs.h> +#include <asm/arch/mx31.h> + +#ifdef CONFIG_SYS_MX31_UART1 +void mx31_uart1_hw_init(void) +{ + /* setup pins for UART1 */ + mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); + mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); + mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); + mx31_gpio_mux(MUX_CTS1__UART1_CTS_B); +} +#endif + +#ifdef CONFIG_MXC_SPI +void mx31_spi2_hw_init(void) +{ + /* SPI2 */ + mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B); + mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK); + mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B); + mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI); + mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO); + mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B); + mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B); + + /* start SPI2 clock */ + __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); +} +#endif diff --git a/include/asm-arm/arch-mx31/mx31.h b/include/asm-arm/arch-mx31/mx31.h index 1d475dd..53b9f27 100644 --- a/include/asm-arm/arch-mx31/mx31.h +++ b/include/asm-arm/arch-mx31/mx31.h @@ -47,4 +47,7 @@ static inline void mx31_gpio_set(unsigned int gpio, unsigned int value) } #endif
+void mx31_uart1_hw_init(void); +void mx31_spi2_hw_init(void); + #endif /* __ASM_ARCH_MX31_H */