diff options
Diffstat (limited to 'libmaple/stm32f2')
| -rw-r--r-- | libmaple/stm32f2/fsmc.c | 90 | ||||
| -rw-r--r-- | libmaple/stm32f2/rules.mk | 2 |
2 files changed, 92 insertions, 0 deletions
diff --git a/libmaple/stm32f2/fsmc.c b/libmaple/stm32f2/fsmc.c new file mode 100644 index 0000000..9b23eea --- /dev/null +++ b/libmaple/stm32f2/fsmc.c @@ -0,0 +1,90 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2012 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file stm32f2/fsmc.c + * @author Marti Bolivar <mbolivar@leaflabs.com>, + * @brief STM32F2 FSMC support. + */ + +#include <libmaple/fsmc.h> +#include <libmaple/gpio.h> + +#define CONFIG_GPIO(dev, bit) \ + do { \ + gpio_set_modef(dev, bit, GPIO_MODE_AF, GPIO_MODEF_SPEED_HIGH); \ + gpio_set_af(dev, bit, GPIO_AF_FSMC_SDIO_OTG_FS); \ + } while (0) +void fsmc_sram_init_gpios(void) { + /* Data lines... */ + CONFIG_GPIO(GPIOD, 0); + CONFIG_GPIO(GPIOD, 1); + CONFIG_GPIO(GPIOD, 8); + CONFIG_GPIO(GPIOD, 9); + CONFIG_GPIO(GPIOD, 10); + CONFIG_GPIO(GPIOD, 14); + CONFIG_GPIO(GPIOD, 15); + CONFIG_GPIO(GPIOE, 7); + CONFIG_GPIO(GPIOE, 8); + CONFIG_GPIO(GPIOE, 9); + CONFIG_GPIO(GPIOE, 10); + CONFIG_GPIO(GPIOE, 11); + CONFIG_GPIO(GPIOE, 12); + CONFIG_GPIO(GPIOE, 13); + CONFIG_GPIO(GPIOE, 14); + CONFIG_GPIO(GPIOE, 15); + + /* Address lines... */ + CONFIG_GPIO(GPIOD, 11); + CONFIG_GPIO(GPIOD, 12); + CONFIG_GPIO(GPIOD, 13); + CONFIG_GPIO(GPIOF, 0); + CONFIG_GPIO(GPIOF, 1); + CONFIG_GPIO(GPIOF, 2); + CONFIG_GPIO(GPIOF, 3); + CONFIG_GPIO(GPIOF, 4); + CONFIG_GPIO(GPIOF, 5); + CONFIG_GPIO(GPIOF, 12); + CONFIG_GPIO(GPIOF, 13); + CONFIG_GPIO(GPIOF, 14); + CONFIG_GPIO(GPIOF, 15); + CONFIG_GPIO(GPIOG, 0); + CONFIG_GPIO(GPIOG, 1); + CONFIG_GPIO(GPIOG, 2); + CONFIG_GPIO(GPIOG, 3); + CONFIG_GPIO(GPIOG, 4); + CONFIG_GPIO(GPIOG, 5); + + /* And control lines... */ + CONFIG_GPIO(GPIOD, 4); + CONFIG_GPIO(GPIOD, 5); + CONFIG_GPIO(GPIOD, 7); + CONFIG_GPIO(GPIOG, 9); + CONFIG_GPIO(GPIOG, 10); + CONFIG_GPIO(GPIOG, 12); + CONFIG_GPIO(GPIOE, 0); + CONFIG_GPIO(GPIOE, 1); +} diff --git a/libmaple/stm32f2/rules.mk b/libmaple/stm32f2/rules.mk index 54fa068..8711090 100644 --- a/libmaple/stm32f2/rules.mk +++ b/libmaple/stm32f2/rules.mk @@ -9,7 +9,9 @@ CFLAGS_$(d) = -I$(d) $(LIBMAPLE_INCLUDES) $(LIBMAPLE_PRIVATE_INCLUDES) -Wall -We # Local rules and targets sSRCS_$(d) := isrs.S vector_table.S + cSRCS_$(d) := rcc.c +cSRCS_$(d) += fsmc.c cSRCS_$(d) += gpio.c cSRCS_$(d) += usart.c |