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-rw-r--r--include/fsl_ddr_sdram.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h
index acddf14..486e47e 100644
--- a/include/fsl_ddr_sdram.h
+++ b/include/fsl_ddr_sdram.h
@@ -189,6 +189,10 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
#define DDR_MR5_CA_PARITY_LAT_4_CLK 0x1 /* for DDR4-1600/1866/2133 */
#define DDR_MR5_CA_PARITY_LAT_5_CLK 0x2 /* for DDR4-2400 */
+/* DEBUG_26 register */
+#define DDR_CAS_TO_PRE_SUB_MASK 0x0000f000 /* CAS to preamble subtract value */
+#define DDR_CAS_TO_PRE_SUB_SHIFT 12
+
/* DEBUG_29 register */
#define DDR_TX_BD_DIS (1 << 10) /* Transmit Bit Deskew Disable */