diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.c | 19 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.h | 6 |
2 files changed, 23 insertions, 2 deletions
diff --git a/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.c b/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.c index d22fb31d6..791be5750 100644 --- a/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.c +++ b/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.c @@ -543,14 +543,29 @@ void sdc_lld_set_data_clk(SDCDriver *sdcp, sdcbusclk_t clk) { #if 0
if (SDC_CLK_50MHz == clk) {
sdcp->sdmmc->CLKCR = (sdcp->sdmmc->CLKCR & 0xFFFFFF00U) |
+#if STM32_SDC_SDMMC_PWRSAV
+ SDMMC_CLKDIV_HS | SDMMC_CLKCR_BYPASS |
+ SDMMC_CLKCR_PWRSAV;
+#else
SDMMC_CLKDIV_HS | SDMMC_CLKCR_BYPASS;
+#endif
}
- else
+ else {
+#if STM32_SDC_SDMMC_PWRSAV
+ sdcp->sdmmc->CLKCR = (sdcp->sdmmc->CLKCR & 0xFFFFFF00U) | SDMMC_CLKDIV_HS |
+ SDMMC_CLKCR_PWRSAV;
+#else
sdcp->sdmmc->CLKCR = (sdcp->sdmmc->CLKCR & 0xFFFFFF00U) | SDMMC_CLKDIV_HS;
+#endif
+ }
#else
(void)clk;
- sdcp->sdmmc->CLKCR = (sdcp->sdmmc->CLKCR & 0xFFFFFF00U) | SDMMC_CLKDIV_HS;
+#if STM32_SDC_SDMMC_PWRSAV
+#else
+ sdcp->sdmmc->CLKCR = (sdcp->sdmmc->CLKCR & 0xFFFFFF00U) | SDMMC_CLKDIV_HS |
+ SDMMC_CLKCR_PWRSAV;
+#endif
#endif
}
diff --git a/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.h b/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.h index 4479a1c5b..9f4490da3 100644 --- a/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.h +++ b/os/hal/ports/STM32/LLD/SDMMCv1/hal_sdc_lld.h @@ -84,6 +84,12 @@ */
#if !defined(STM32_SDC_SDMMC_CLOCK_DELAY) || defined(__DOXYGEN__)
#define STM32_SDC_SDMMC_CLOCK_DELAY 10
+
+/**
+ * @brief Card clock power saving enable.
+ */
+#if !defined(STM32_SDC_SDMMC_PWRSAV) || defined(__DOXYGEN__)
+#define STM32_SDC_SDMMC_PWRSAV TRUE
#endif
/**
|