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author | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2012-04-09 19:38:26 +0000 |
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committer | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2012-04-09 19:38:26 +0000 |
commit | 97170a4f1b5fb33421532a3183ad8380c74504af (patch) | |
tree | 2de025006e18c8cefe0f10d8c9b85f697351269a /nuttx/configs | |
parent | 1b7112d261a6c6dd56cbd9333e3e0df37f0d9641 (diff) | |
download | px4-firmware-97170a4f1b5fb33421532a3183ad8380c74504af.tar.gz px4-firmware-97170a4f1b5fb33421532a3183ad8380c74504af.tar.bz2 px4-firmware-97170a4f1b5fb33421532a3183ad8380c74504af.zip |
Updates for STM3210E-EVAL SRAM
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4579 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/configs')
-rwxr-xr-x | nuttx/configs/stm3210e-eval/README.txt | 16 | ||||
-rwxr-xr-x | nuttx/configs/stm3210e-eval/include/board.h | 8 | ||||
-rw-r--r-- | nuttx/configs/stm3210e-eval/src/up_boot.c | 210 |
3 files changed, 132 insertions, 102 deletions
diff --git a/nuttx/configs/stm3210e-eval/README.txt b/nuttx/configs/stm3210e-eval/README.txt index 08d5b572b..c356a17d5 100755 --- a/nuttx/configs/stm3210e-eval/README.txt +++ b/nuttx/configs/stm3210e-eval/README.txt @@ -16,6 +16,7 @@ Contents - LEDs - Temperature Sensor - RTC + - FSMC SRAM - STM3210E-EVAL-specific Configuration Options - Configurations @@ -350,6 +351,21 @@ RTC overflow interrupt may be lost even if the STM32 is powered down only momentarily. Therefore hi-res solution is only useful in systems where the power is always on. +FSMC SRAM +========= + +The 8-Mbit SRAM is connected to the STM32 at PG10 which will be FSMC_NE3, Bank1 +SRAM3. This memory will appear at address 0x68000000. + +The on-board SRAM can be configured by setting + + CONFIG_STM32_FSMC=y : Enables the FSMC + CONFIG_STM32_FSMC_SRAM=y : Enable external SRAM support + CONFIG_HEAP2_BASE=0x68000000 : SRAM will be located at 0x680000000 + CONFIG_HEAP2_END=(0x68000000+(1*1024*1024)) : The size of the SRAM is 1Mbyte + CONFIG_MM_REGIONS=2 : There will be two memory regions + : in the heap + STM3210E-EVAL-specific Configuration Options ============================================ diff --git a/nuttx/configs/stm3210e-eval/include/board.h b/nuttx/configs/stm3210e-eval/include/board.h index 8e2e88612..8a479a7e5 100755 --- a/nuttx/configs/stm3210e-eval/include/board.h +++ b/nuttx/configs/stm3210e-eval/include/board.h @@ -144,6 +144,14 @@ # define SDIO_SDXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) #endif +/* SRAM definitions *****************************************************************/ +/* The 8 Mbit SRAM is provided on the PT3 board using the FSMC_NE3 chip select. */ + +/* This is the Bank1 SRAM3 address: */ + +#define BOARD_SRAM_BASE 0x68000000 /* Bank2 SRAM3 base address */ +#define BOARD_SRAM_SIZE (1*1024*1024) /* 8-Mbit = 1-Mbyte */ + /* LED definitions ******************************************************************/ /* The STM3210E-EVAL board has 4 LEDs that we will encode as: */ diff --git a/nuttx/configs/stm3210e-eval/src/up_boot.c b/nuttx/configs/stm3210e-eval/src/up_boot.c index 8646fee5b..5f111f9bb 100644 --- a/nuttx/configs/stm3210e-eval/src/up_boot.c +++ b/nuttx/configs/stm3210e-eval/src/up_boot.c @@ -1,102 +1,108 @@ -/************************************************************************************
- * configs/stm3210e-eval/src/up_boot.c
- * arch/arm/src/board/up_boot.c
- *
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <debug.h>
-
-#include <arch/board/board.h>
-
-#include "up_arch.h"
-#include "stm3210e-internal.h"
-
-/************************************************************************************
- * Definitions
- ************************************************************************************/
-
-/************************************************************************************
- * Private Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Name: stm32_boardinitialize
- *
- * Description:
- * All STM32 architectures must provide the following entry point. This entry point
- * is called early in the intitialization -- after all memory has been configured
- * and mapped but before any devices have been initialized.
- *
- ************************************************************************************/
-
-void stm32_boardinitialize(void)
-{
- /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function
- * stm32_spiinitialize() has been brought into the link.
- */
-
-#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2)
- if (stm32_spiinitialize)
- {
- stm32_spiinitialize();
- }
-#endif
-
- /* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not
- * disabled, and 3) the weak function stm32_usbinitialize() has been brought
- * into the build.
- */
-
-#if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB)
- if (stm32_usbinitialize)
- {
- stm32_usbinitialize();
- }
-#endif
-
- /* Configure on-board LEDs if LED support has been selected. */
-
-#ifdef CONFIG_ARCH_LEDS
- up_ledinit();
-#endif
-}
+/************************************************************************************ + * configs/stm3210e-eval/src/up_boot.c + * arch/arm/src/board/up_boot.c + * + * Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +#include <debug.h> + +#include <arch/board/board.h> + +#include "up_arch.h" +#include "stm3210e-internal.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_boardinitialize + * + * Description: + * All STM32 architectures must provide the following entry point. This entry point + * is called early in the intitialization -- after all memory has been configured + * and mapped but before any devices have been initialized. + * + ************************************************************************************/ + +void stm32_boardinitialize(void) +{ + /* If the FSMC and FSMC_SRAM are selected, then enable SRAM access */ + +#if defined(CONFIG_STM32_FSMC) && defined(CONFIG_STM32_FSMC_SRAM) + stm32_selectsram(); +#endif + + /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function + * stm32_spiinitialize() has been brought into the link. + */ + +#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) + if (stm32_spiinitialize) + { + stm32_spiinitialize(); + } +#endif + + /* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not + * disabled, and 3) the weak function stm32_usbinitialize() has been brought + * into the build. + */ + +#if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB) + if (stm32_usbinitialize) + { + stm32_usbinitialize(); + } +#endif + + /* Configure on-board LEDs if LED support has been selected. */ + +#ifdef CONFIG_ARCH_LEDS + up_ledinit(); +#endif +} |