diff options
Diffstat (limited to 'os/hal/ports/STM32/LLD/QUADSPIv1/hal_qspi_lld.h')
| -rw-r--r-- | os/hal/ports/STM32/LLD/QUADSPIv1/hal_qspi_lld.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/QUADSPIv1/hal_qspi_lld.h b/os/hal/ports/STM32/LLD/QUADSPIv1/hal_qspi_lld.h index c3a82d690..4465755bf 100644 --- a/os/hal/ports/STM32/LLD/QUADSPIv1/hal_qspi_lld.h +++ b/os/hal/ports/STM32/LLD/QUADSPIv1/hal_qspi_lld.h @@ -31,6 +31,17 @@ /* Driver constants. */
/*===========================================================================*/
+/**
+ * @name DCR register options
+ * @{
+ */
+#define STM32_DCR_CK_MODE (1U << 0U)
+#define STM32_DCR_CSHT_MASK (7U << 8U)
+#define STM32_DCR_CSHT(n) ((n) << 8U)
+#define STM32_DCR_FSIZE_MASK (31U << 16U)
+#define STM32_DCR_FSIZE(n) ((n) << 16U)
+/** @} */
+
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
@@ -85,6 +96,17 @@ #if !defined(STM32_QSPI_DMA_ERROR_HOOK) || defined(__DOXYGEN__)
#define STM32_QSPI_DMA_ERROR_HOOK(qspip) osalSysHalt("DMA failure")
#endif
+
+/**
+ * @brief Enables a workaround for a STM32L476 QUADSPI errata.
+ * @details The document DM00111498 states: "QUADSPI_BK1_IO1 is always an
+ * input when the command is sent in dual or quad SPI mode".
+ * This workaround makes commands without address or data phases
+ * to be sent as alternate bytes.
+ */
+#if !defined(STM32_USE_STM32_D1_WORKAROUND) || defined(__DOXYGEN__)
+#define STM32_USE_STM32_D1_WORKAROUND TRUE
+#endif
/** @} */
/*===========================================================================*/
|