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STM32F7: Allow the config to override the clock edge setting

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This commit is contained in:
David Sidrane 2016-12-06 13:43:57 -10:00
parent 7cc0a06f44
commit cbf863b1ca
1 changed files with 13 additions and 5 deletions
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18
arch/arm/src/stm32f7/stm32_sdmmc.c
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@ -153,7 +153,15 @@
/* Friendly CLKCR bit re-definitions ****************************************/ /* Friendly CLKCR bit re-definitions ****************************************/
#define STM32_CLKCR_RISINGEDGE (0) #define STM32_CLKCR_RISINGEDGE (0)
#define STM32_CLKCR_FALLINGEDGE STM32_CLKCR_NEGEDGE #define STM32_CLKCR_FALLINGEDGE STM32_SDMMC_CLKCR_NEGEDGE
/* Use the default of the rising edge but allow a configuration,
* that does not have the errata, to override the edge the SDIO
* command and data is changed on.
*/
#if !defined(STM32_SDMMC_CLKCR_EDGE)
# define STM32_SDMMC_CLKCR_EDGE STM32_CLKCR_RISINGEDGE
#endif
/* Mode dependent settings. These depend on clock divisor settings that must /* Mode dependent settings. These depend on clock divisor settings that must
* be defined in the board-specific board.h header file: STM32_SDMMC_INIT_CLKDIV, * be defined in the board-specific board.h header file: STM32_SDMMC_INIT_CLKDIV,
@ -161,16 +169,16 @@
*/ */
#define STM32_CLCKCR_INIT (STM32_SDMMC_INIT_CLKDIV | \ #define STM32_CLCKCR_INIT (STM32_SDMMC_INIT_CLKDIV | \
STM32_CLKCR_RISINGEDGE | \ STM32_SDMMC_CLKCR_EDGE | \
STM32_SDMMC_CLKCR_WIDBUS_D1) STM32_SDMMC_CLKCR_WIDBUS_D1)
#define STM32_SDMMC_CLKCR_MMCXFR (STM32_SDMMC_MMCXFR_CLKDIV | \ #define STM32_SDMMC_CLKCR_MMCXFR (STM32_SDMMC_MMCXFR_CLKDIV | \
STM32_CLKCR_RISINGEDGE | \ STM32_SDMMC_CLKCR_EDGE | \
STM32_SDMMC_CLKCR_WIDBUS_D1) STM32_SDMMC_CLKCR_WIDBUS_D1)
#define STM32_SDMMC_CLCKR_SDXFR (STM32_SDMMC_SDXFR_CLKDIV | \ #define STM32_SDMMC_CLCKR_SDXFR (STM32_SDMMC_SDXFR_CLKDIV | \
STM32_CLKCR_RISINGEDGE | \ STM32_SDMMC_CLKCR_EDGE | \
STM32_SDMMC_CLKCR_WIDBUS_D1) STM32_SDMMC_CLKCR_WIDBUS_D1)
#define STM32_SDMMC_CLCKR_SDWIDEXFR (STM32_SDMMC_SDXFR_CLKDIV | \ #define STM32_SDMMC_CLCKR_SDWIDEXFR (STM32_SDMMC_SDXFR_CLKDIV | \
STM32_CLKCR_RISINGEDGE | \ STM32_SDMMC_CLKCR_EDGE | \
STM32_SDMMC_CLKCR_WIDBUS_D4) STM32_SDMMC_CLKCR_WIDBUS_D4)
/* Timing */ /* Timing */