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-rw-r--r--libmaple/stm32f2/fsmc.c90
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diff --git a/libmaple/stm32f2/fsmc.c b/libmaple/stm32f2/fsmc.c
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+/******************************************************************************
+ * 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);
+}