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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-08-23 21:48:24 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-08-23 21:48:24 +0000 |
| commit | 3349c757c9031b79db54a26d906ff33742bbb711 (patch) | |
| tree | e40da8dcc47f38ea7f8ab803bc009049c8b16502 /nuttx/configs/kwikstik-k40/include | |
| parent | 784a4f4e20aa92bfec38f2e086915b28d22856d8 (diff) | |
| download | px4-nuttx-3349c757c9031b79db54a26d906ff33742bbb711.tar.gz px4-nuttx-3349c757c9031b79db54a26d906ff33742bbb711.tar.bz2 px4-nuttx-3349c757c9031b79db54a26d906ff33742bbb711.zip | |
Clean up Kinetics SDHC DMA code (still does not work)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3909 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/kwikstik-k40/include')
| -rwxr-xr-x | nuttx/configs/kwikstik-k40/include/board.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/nuttx/configs/kwikstik-k40/include/board.h b/nuttx/configs/kwikstik-k40/include/board.h index 58b2cd218..19653e74e 100755 --- a/nuttx/configs/kwikstik-k40/include/board.h +++ b/nuttx/configs/kwikstik-k40/include/board.h @@ -109,10 +109,19 @@ #define BOARD_SDHC_SD1MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 #define BOARD_SDHC_SD1MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) -/* SD normal mode (4-bit): 24MHz = 96MHz / (2 * 2) */ +/* SD normal mode (4-bit): 24MHz = 96MHz / (2 * 2) (with DMA) + * SD normal mode (4-bit): 16MHz = 96MHz / (2 * 3) (no DMA) + */ -#define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 -#define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(2) +#ifdef CONFIG_SDIO_DMA +# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 +# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(2) +#else +//# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 +//# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) +# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV16 +# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15) +#endif /* LED definitions ******************************************************************/ /* The KwikStik-K40 board has no MCU driven, GPIO-based LEDs */ |