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STM32: Allow the config to override the clock edge setting

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This commit is contained in:
David Sidrane 2016-12-06 13:30:07 -10:00
parent 1d50259358
commit 7cc0a06f44
1 changed files with 12 additions and 4 deletions
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16
arch/arm/src/stm32/stm32_sdio.c
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@ -148,18 +148,26 @@
#define SDIO_CLKCR_RISINGEDGE (0)
#define SDIO_CLKCR_FALLINGEDGE SDIO_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(SDIO_CLKCR_EDGE)
# define SDIO_CLKCR_EDGE SDIO_CLKCR_RISINGEDGE
#endif
/* Mode dependent settings. These depend on clock devisor settings that must
* be defined in the board-specific board.h header file: SDIO_INIT_CLKDIV,
* SDIO_MMCXFR_CLKDIV, and SDIO_SDXFR_CLKDIV.
*/
#define STM32_CLCKCR_INIT (SDIO_INIT_CLKDIV | SDIO_CLKCR_RISINGEDGE | \
#define STM32_CLCKCR_INIT (SDIO_INIT_CLKDIV | SDIO_CLKCR_EDGE | \
SDIO_CLKCR_WIDBUS_D1)
#define SDIO_CLKCR_MMCXFR (SDIO_MMCXFR_CLKDIV | SDIO_CLKCR_RISINGEDGE | \
#define SDIO_CLKCR_MMCXFR (SDIO_MMCXFR_CLKDIV | SDIO_CLKCR_EDGE | \
SDIO_CLKCR_WIDBUS_D1)
#define SDIO_CLCKR_SDXFR (SDIO_SDXFR_CLKDIV | SDIO_CLKCR_RISINGEDGE | \
#define SDIO_CLCKR_SDXFR (SDIO_SDXFR_CLKDIV | SDIO_CLKCR_EDGE | \
SDIO_CLKCR_WIDBUS_D1)
#define SDIO_CLCKR_SDWIDEXFR (SDIO_SDXFR_CLKDIV | SDIO_CLKCR_RISINGEDGE | \
#define SDIO_CLCKR_SDWIDEXFR (SDIO_SDXFR_CLKDIV | SDIO_CLKCR_EDGE | \
SDIO_CLKCR_WIDBUS_D4)
/* Timing */