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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-27 23:14:43 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-27 23:14:43 +0000 |
| commit | a103801be3696e5e296766dd70d3d4774283c256 (patch) | |
| tree | 8b2ab04f54b1d0a6eb83abb6de034c94db79ae4d /nuttx/configs/stm3240g-eval/include | |
| parent | e4968d3556b862b4bdf950f6d70516fce710dfe1 (diff) | |
| download | px4-nuttx-a103801be3696e5e296766dd70d3d4774283c256.tar.gz px4-nuttx-a103801be3696e5e296766dd70d3d4774283c256.tar.bz2 px4-nuttx-a103801be3696e5e296766dd70d3d4774283c256.zip | |
Add logic to support the FSMC SRAM in the NuttX heap
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4433 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/stm3240g-eval/include')
| -rwxr-xr-x | nuttx/configs/stm3240g-eval/include/board.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/nuttx/configs/stm3240g-eval/include/board.h b/nuttx/configs/stm3240g-eval/include/board.h index 6704b552f..3c8b552e4 100755 --- a/nuttx/configs/stm3240g-eval/include/board.h +++ b/nuttx/configs/stm3240g-eval/include/board.h @@ -257,6 +257,28 @@ #define BUTTON_TAMPER_BIT (1 << BUTTON_TAMPER) #define BUTTON_USER_BIT (1 << BUTTON_USER) +/* SRAM definitions *****************************************************************/ +/* The 16 Mbit SRAM is connected to the STM32F407IGH6 FSMC bus which shares the same + * I/Os with the CAN1 bus. Jumper settings: + * + * JP1: Connect PE4 to SRAM as A20 + * JP2: onnect PE3 to SRAM as A19 + * + * JP3 and JP10 must not be fitted for SRAM and LCD application. JP3 and JP10 + * select CAN1 or CAN2 if fitted; neither if not fitted. + */ + +#if defined(CONFIG_STM32_FSMC) && defined(CONFIG_STM32_FSMC_SRAM) +# if defined(CONFIG_STM32_CAN1) || defined(CONFIG_STM32_CAN2) +# error "The STM3240G-EVAL cannot support both CAN and FSMC SRAM" +# endif +#endif + +/* This is the Bank1 SRAM2 address: */ + +#define BOARD_SRAM_BASE 0x64000000 +#define BOARD_SRAM_SIZE (2*1024*1024) + /* Alternate function pin selections ************************************************/ /* UART3: |