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stm32/sdcard: Use maximum speed SDMMC clock on F7 MCUs.

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This will get the SDMMC clock up to 48MHz.
This commit is contained in:
Damien George 2018-02-01 15:17:18 +11:00
parent 467a5926bc
commit 72ca049de7
1 changed files with 4 additions and 0 deletions
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4
ports/stm32/sdcard.c
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@ -198,6 +198,10 @@ bool sdcard_power_on(void) {
} }
// configure the SD bus width for wide operation // configure the SD bus width for wide operation
#if defined(MCU_SERIES_F7)
// use maximum SDMMC clock speed on F7 MCUs
sd_handle.Init.ClockBypass = SDMMC_CLOCK_BYPASS_ENABLE;
#endif
if (HAL_SD_ConfigWideBusOperation(&sd_handle, SDIO_BUS_WIDE_4B) != HAL_OK) { if (HAL_SD_ConfigWideBusOperation(&sd_handle, SDIO_BUS_WIDE_4B) != HAL_OK) {
HAL_SD_DeInit(&sd_handle); HAL_SD_DeInit(&sd_handle);
goto error; goto error;