From 7ebafb7ec1a0285af8380623c009576f92583b98 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sat, 21 Mar 2009 21:07:59 +0100 Subject: [PATCH] at91sam9/at91cap: move common spi initialisation to cpu Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- board/afeb9260/afeb9260.c | 15 +---- board/atmel/at91cap9adk/at91cap9adk.c | 16 +---- board/atmel/at91sam9260ek/at91sam9260ek.c | 17 +---- board/atmel/at91sam9261ek/at91sam9261ek.c | 16 +---- board/atmel/at91sam9263ek/at91sam9263ek.c | 17 +---- board/atmel/at91sam9rlek/at91sam9rlek.c | 16 +---- cpu/arm926ejs/at91/Makefile | 25 ++++++-- cpu/arm926ejs/at91/at91cap9_spi.c | 75 +++++++++++++++++++++++ cpu/arm926ejs/at91/at91sam9260_spi.c | 75 +++++++++++++++++++++++ cpu/arm926ejs/at91/at91sam9261_spi.c | 75 +++++++++++++++++++++++ cpu/arm926ejs/at91/at91sam9263_spi.c | 75 +++++++++++++++++++++++ cpu/arm926ejs/at91/at91sam9rl_spi.c | 52 ++++++++++++++++ include/asm-arm/arch-at91/at91_common.h | 2 + 13 files changed, 381 insertions(+), 95 deletions(-) create mode 100644 cpu/arm926ejs/at91/at91cap9_spi.c create mode 100644 cpu/arm926ejs/at91/at91sam9260_spi.c create mode 100644 cpu/arm926ejs/at91/at91sam9261_spi.c create mode 100644 cpu/arm926ejs/at91/at91sam9263_spi.c create mode 100644 cpu/arm926ejs/at91/at91sam9rl_spi.c diff --git a/board/afeb9260/afeb9260.c b/board/afeb9260/afeb9260.c index dd29d91631..0f9c50486a 100644 --- a/board/afeb9260/afeb9260.c +++ b/board/afeb9260/afeb9260.c @@ -78,19 +78,6 @@ static void afeb9260_nand_hw_init(void) at91_set_gpio_output(AT91_PIN_PC14, 1); } -static void afeb9260_spi_hw_init(void) -{ - at91_set_A_periph(AT91_PIN_PA3, 0); /* SPI0_NPCS0 */ - at91_set_B_periph(AT91_PIN_PC11, 0); /* SPI0_NPCS1 */ - - at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ - at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ - - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI0); -} - #ifdef CONFIG_MACB static void afeb9260_macb_hw_init(void) { @@ -179,7 +166,7 @@ int board_init(void) #ifdef CONFIG_CMD_NAND afeb9260_nand_hw_init(); #endif - afeb9260_spi_hw_init(); + at91_spi0_hw_init((1 << 0) || (1 << 1)); #ifdef CONFIG_MACB afeb9260_macb_hw_init(); #endif diff --git a/board/atmel/at91cap9adk/at91cap9adk.c b/board/atmel/at91cap9adk/at91cap9adk.c index 18a0e9d6f4..b1e9c62b29 100644 --- a/board/atmel/at91cap9adk/at91cap9adk.c +++ b/board/atmel/at91cap9adk/at91cap9adk.c @@ -137,20 +137,6 @@ static void at91cap9_nand_hw_init(void) } #endif -#ifdef CONFIG_HAS_DATAFLASH -static void at91cap9_spi_hw_init(void) -{ - at91_set_B_periph(AT91_PIN_PA5, 0); /* SPI0_NPCS0 */ - - at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ - at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ - - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0); -} -#endif - #ifdef CONFIG_MACB static void at91cap9_macb_hw_init(void) { @@ -348,7 +334,7 @@ int board_init(void) at91cap9_nand_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH - at91cap9_spi_hw_init(); + at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_MACB at91cap9_macb_hw_init(); diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c index 985daf7fb5..ad9dfeb288 100644 --- a/board/atmel/at91sam9260ek/at91sam9260ek.c +++ b/board/atmel/at91sam9260ek/at91sam9260ek.c @@ -83,21 +83,6 @@ static void at91sam9260ek_nand_hw_init(void) } #endif -#ifdef CONFIG_HAS_DATAFLASH -static void at91sam9260ek_spi_hw_init(void) -{ - at91_set_A_periph(AT91_PIN_PA3, 0); /* SPI0_NPCS0 */ - at91_set_B_periph(AT91_PIN_PC11, 0); /* SPI0_NPCS1 */ - - at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ - at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ - - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI0); -} -#endif - #ifdef CONFIG_MACB static void at91sam9260ek_macb_hw_init(void) { @@ -196,7 +181,7 @@ int board_init(void) at91sam9260ek_nand_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH - at91sam9260ek_spi_hw_init(); + at91_spi0_hw_init((1 << 0) || (1 << 1)); #endif #ifdef CONFIG_MACB at91sam9260ek_macb_hw_init(); diff --git a/board/atmel/at91sam9261ek/at91sam9261ek.c b/board/atmel/at91sam9261ek/at91sam9261ek.c index 5fe3d3f16d..d8f006c54a 100644 --- a/board/atmel/at91sam9261ek/at91sam9261ek.c +++ b/board/atmel/at91sam9261ek/at91sam9261ek.c @@ -86,20 +86,6 @@ static void at91sam9261ek_nand_hw_init(void) } #endif -#ifdef CONFIG_HAS_DATAFLASH -static void at91sam9261ek_spi_hw_init(void) -{ - at91_set_A_periph(AT91_PIN_PA3, 0); /* SPI0_NPCS0 */ - - at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ - at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ - - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI0); -} -#endif - #ifdef CONFIG_DRIVER_DM9000 static void at91sam9261ek_dm9000_hw_init(void) { @@ -229,7 +215,7 @@ int board_init(void) at91sam9261ek_nand_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH - at91sam9261ek_spi_hw_init(); + at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_DRIVER_DM9000 at91sam9261ek_dm9000_hw_init(); diff --git a/board/atmel/at91sam9263ek/at91sam9263ek.c b/board/atmel/at91sam9263ek/at91sam9263ek.c index 37634a8f26..1a3e39cf31 100644 --- a/board/atmel/at91sam9263ek/at91sam9263ek.c +++ b/board/atmel/at91sam9263ek/at91sam9263ek.c @@ -87,20 +87,6 @@ static void at91sam9263ek_nand_hw_init(void) } #endif -#ifdef CONFIG_HAS_DATAFLASH -static void at91sam9263ek_spi_hw_init(void) -{ - at91_set_B_periph(AT91_PIN_PA5, 0); /* SPI0_NPCS0 */ - - at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ - at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ - - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0); -} -#endif - #ifdef CONFIG_MACB static void at91sam9263ek_macb_hw_init(void) { @@ -280,7 +266,8 @@ int board_init(void) at91sam9263ek_nand_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH - at91sam9263ek_spi_hw_init(); + at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */ + at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_MACB at91sam9263ek_macb_hw_init(); diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c index 26395a251b..ce10cdf074 100644 --- a/board/atmel/at91sam9rlek/at91sam9rlek.c +++ b/board/atmel/at91sam9rlek/at91sam9rlek.c @@ -86,20 +86,6 @@ static void at91sam9rlek_nand_hw_init(void) } #endif -#ifdef CONFIG_HAS_DATAFLASH -static void at91sam9rlek_spi_hw_init(void) -{ - at91_set_A_periph(AT91_PIN_PA28, 0); /* SPI0_NPCS0 */ - - at91_set_A_periph(AT91_PIN_PA25, 0); /* SPI0_MISO */ - at91_set_A_periph(AT91_PIN_PA26, 0); /* SPI0_MOSI */ - at91_set_A_periph(AT91_PIN_PA27, 0); /* SPI0_SPCK */ - - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_SPI); -} -#endif - #ifdef CONFIG_LCD vidinfo_t panel_info = { vl_col: 240, @@ -202,7 +188,7 @@ int board_init(void) at91sam9rlek_nand_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH - at91sam9rlek_spi_hw_init(); + at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_LCD at91sam9rlek_lcd_hw_init(); diff --git a/cpu/arm926ejs/at91/Makefile b/cpu/arm926ejs/at91/Makefile index 66d4d6d617..e547ab58c3 100644 --- a/cpu/arm926ejs/at91/Makefile +++ b/cpu/arm926ejs/at91/Makefile @@ -25,11 +25,26 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).a -COBJS-$(CONFIG_AT91CAP9) += at91cap9_serial.o -COBJS-$(CONFIG_AT91SAM9260) += at91sam9260_serial.o -COBJS-$(CONFIG_AT91SAM9261) += at91sam9261_serial.o -COBJS-$(CONFIG_AT91SAM9263) += at91sam9263_serial.o -COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_serial.o +ifdef CONFIG_AT91CAP9 +COBJS-y += at91cap9_serial.o +COBJS-$(CONFIG_HAS_DATAFLASH) += at91cap9_spi.o +endif +ifdef CONFIG_AT91SAM9260 +COBJS-y += at91sam9260_serial.o +COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9260_spi.o +endif +ifdef CONFIG_AT91SAM9261 +COBJS-y += at91sam9261_serial.o +COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9261_spi.o +endif +ifdef CONFIG_AT91SAM9263 +COBJS-y += at91sam9263_serial.o +COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9263_spi.o +endif +ifdef CONFIG_AT91SAM9RL +COBJS-y += at91sam9rl_serial.o +COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9rl_spi.o +endif COBJS-$(CONFIG_HAS_DATAFLASH) += spi.o COBJS-y += timer.o COBJS-y += usb.o diff --git a/cpu/arm926ejs/at91/at91cap9_spi.c b/cpu/arm926ejs/at91/at91cap9_spi.c new file mode 100644 index 0000000000..356a804f79 --- /dev/null +++ b/cpu/arm926ejs/at91/at91cap9_spi.c @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop + * Lead Tech Design + * + * 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 +#include +#include +#include +#include + +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ + at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ + at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PA5, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PD0, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PD1, 1); + } +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */ + at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */ + at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI1); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PB15, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PB16, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PB17, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PB18, 1); + } +} diff --git a/cpu/arm926ejs/at91/at91sam9260_spi.c b/cpu/arm926ejs/at91/at91sam9260_spi.c new file mode 100644 index 0000000000..0105072daa --- /dev/null +++ b/cpu/arm926ejs/at91/at91sam9260_spi.c @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop + * Lead Tech Design + * + * 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 +#include +#include +#include +#include + +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ + at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ + at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI0); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PC11, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PC16, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PC17, 1); + } +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */ + at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */ + at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI1); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PB3, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PC5, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PC4, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PC3, 1); + } +} diff --git a/cpu/arm926ejs/at91/at91sam9261_spi.c b/cpu/arm926ejs/at91/at91sam9261_spi.c new file mode 100644 index 0000000000..f70320d7cd --- /dev/null +++ b/cpu/arm926ejs/at91/at91sam9261_spi.c @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop + * Lead Tech Design + * + * 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 +#include +#include +#include +#include + +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ + at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ + at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI0); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PA4, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PA5, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PA6, 1); + } +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */ + at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */ + at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI1); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PB28, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PA24, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PA25, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PA26, 1); + } +} diff --git a/cpu/arm926ejs/at91/at91sam9263_spi.c b/cpu/arm926ejs/at91/at91sam9263_spi.c new file mode 100644 index 0000000000..1dda04c974 --- /dev/null +++ b/cpu/arm926ejs/at91/at91sam9263_spi.c @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop + * Lead Tech Design + * + * 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 +#include +#include +#include +#include + +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ + at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ + at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PA5, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PA4, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PB11, 1); + } +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */ + at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */ + at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI1); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PB15, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PB16, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PB17, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PB18, 1); + } +} diff --git a/cpu/arm926ejs/at91/at91sam9rl_spi.c b/cpu/arm926ejs/at91/at91sam9rl_spi.c new file mode 100644 index 0000000000..aa9c183172 --- /dev/null +++ b/cpu/arm926ejs/at91/at91sam9rl_spi.c @@ -0,0 +1,52 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop + * Lead Tech Design + * + * 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 +#include +#include +#include +#include + +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_A_periph(AT91_PIN_PA25, 0); /* SPI0_MISO */ + at91_set_A_periph(AT91_PIN_PA26, 0); /* SPI0_MOSI */ + at91_set_A_periph(AT91_PIN_PA27, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_SPI); + + if (cs_mask & (1 << 0)) { + at91_set_gpio_output(AT91_PIN_PA28, 1); + } + if (cs_mask & (1 << 1)) { + at91_set_gpio_output(AT91_PIN_PB7, 1); + } + if (cs_mask & (1 << 2)) { + at91_set_gpio_output(AT91_PIN_PD8, 1); + } + if (cs_mask & (1 << 3)) { + at91_set_gpio_output(AT91_PIN_PD9, 1); + } +} diff --git a/include/asm-arm/arch-at91/at91_common.h b/include/asm-arm/arch-at91/at91_common.h index 2ac241fd5b..1432f949da 100644 --- a/include/asm-arm/arch-at91/at91_common.h +++ b/include/asm-arm/arch-at91/at91_common.h @@ -30,5 +30,7 @@ void at91_serial0_hw_init(void); void at91_serial1_hw_init(void); void at91_serial2_hw_init(void); void at91_serial3_hw_init(void); +void at91_spi0_hw_init(unsigned long cs_mask); +void at91_spi1_hw_init(unsigned long cs_mask); #endif /* AT91_COMMON_H */ -- 2.25.1