nxp: ddr driver enablement for nxp layerscape soc
DDR driver for NXP layerscape SoC(s):
- lx2160aqds
- lx2162aqds
- lx2160ardb
- Other Board with SoC(s) like ls1046a, ls1043a etc;
-- These other boards are not verified yet.
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: York Sun <york.sun@nxp.com>
Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: Ic84a63cb30eba054f432d479862cd4d1097cbbaf
diff --git a/drivers/nxp/ddr/include/regs.h b/drivers/nxp/ddr/include/regs.h
new file mode 100644
index 0000000..e85fd8f
--- /dev/null
+++ b/drivers/nxp/ddr/include/regs.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef DDR_REG_H
+#define DDR_REG_H
+
+#define SDRAM_CS_CONFIG_EN 0x80000000
+
+/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
+ */
+#define SDRAM_CFG_MEM_EN 0x80000000
+#define SDRAM_CFG_SREN 0x40000000
+#define SDRAM_CFG_ECC_EN 0x20000000
+#define SDRAM_CFG_RD_EN 0x10000000
+#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000
+#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24
+#define SDRAM_CFG_DYN_PWR 0x00200000
+#define SDRAM_CFG_DBW_MASK 0x00180000
+#define SDRAM_CFG_DBW_SHIFT 19
+#define SDRAM_CFG_32_BW 0x00080000
+#define SDRAM_CFG_16_BW 0x00100000
+#define SDRAM_CFG_8_BW 0x00180000
+#define SDRAM_CFG_8_BE 0x00040000
+#define SDRAM_CFG_2T_EN 0x00008000
+#define SDRAM_CFG_MEM_HLT 0x00000002
+#define SDRAM_CFG_BI 0x00000001
+
+#define SDRAM_CFG2_FRC_SR 0x80000000
+#define SDRAM_CFG2_FRC_SR_CLEAR ~(SDRAM_CFG2_FRC_SR)
+#define SDRAM_CFG2_D_INIT 0x00000010
+#define SDRAM_CFG2_AP_EN 0x00000020
+#define SDRAM_CFG2_ODT_ONLY_READ 2
+
+#define SDRAM_CFG3_DDRC_RST 0x80000000
+
+#define SDRAM_INTERVAL_REFINT 0xFFFF0000
+#define SDRAM_INTERVAL_REFINT_CLEAR ~(SDRAM_INTERVAL_REFINT)
+#define SDRAM_INTERVAL_BSTOPRE 0x3FFF
+
+/* DDR_MD_CNTL */
+#define MD_CNTL_MD_EN 0x80000000
+#define MD_CNTL_CS_SEL(x) (((x) & 0x7) << 28)
+#define MD_CNTL_MD_SEL(x) (((x) & 0xf) << 24)
+#define MD_CNTL_CKE(x) (((x) & 0x3) << 20)
+
+/* DDR_CDR1 */
+#define DDR_CDR1_DHC_EN 0x80000000
+#define DDR_CDR1_ODT_SHIFT 17
+#define DDR_CDR1_ODT_MASK 0x6
+#define DDR_CDR2_ODT_MASK 0x1
+#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
+#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
+#define DDR_CDR2_VREF_OVRD(x) (0x00008080 | ((((x) - 37) & 0x3F) << 8))
+#define DDR_CDR2_VREF_TRAIN_EN 0x00000080
+#define DDR_CDR2_VREF_RANGE_2 0x00000040
+#define DDR_CDR_ODT_OFF 0x0
+#define DDR_CDR_ODT_100ohm 0x1
+#define DDR_CDR_ODT_120OHM 0x2
+#define DDR_CDR_ODT_80ohm 0x3
+#define DDR_CDR_ODT_60ohm 0x4
+#define DDR_CDR_ODT_40ohm 0x5
+#define DDR_CDR_ODT_50ohm 0x6
+#define DDR_CDR_ODT_30ohm 0x7
+
+
+/* DDR ERR_DISABLE */
+#define DDR_ERR_DISABLE_APED (1 << 8) /* Address parity error disable */
+#define DDR_ERR_DISABLE_SBED (1 << 2) /* Address parity error disable */
+#define DDR_ERR_DISABLE_MBED (1 << 3) /* Address parity error disable */
+
+/* Mode Registers */
+#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 */
+
+/* DDR DSR2 register */
+#define DDR_DSR_2_PHY_INIT_CMPLT 0x4
+
+/* SDRAM TIMING_CFG_10 register */
+#define DDR_TIMING_CFG_10_T_STAB 0x7FFF
+
+/* DEBUG 2 register */
+#define DDR_DBG_2_MEM_IDLE 0x00000002
+
+/* DEBUG 26 register */
+#define DDR_DEBUG_26_BIT_6 (0x1 << 6)
+#define DDR_DEBUG_26_BIT_7 (0x1 << 7)
+#define DDR_DEBUG_26_BIT_12 (0x1 << 12)
+#define DDR_DEBUG_26_BIT_13 (0x1 << 13)
+#define DDR_DEBUG_26_BIT_14 (0x1 << 14)
+#define DDR_DEBUG_26_BIT_15 (0x1 << 15)
+#define DDR_DEBUG_26_BIT_16 (0x1 << 16)
+#define DDR_DEBUG_26_BIT_17 (0x1 << 17)
+#define DDR_DEBUG_26_BIT_18 (0x1 << 18)
+#define DDR_DEBUG_26_BIT_19 (0x1 << 19)
+#define DDR_DEBUG_26_BIT_24 (0x1 << 24)
+#define DDR_DEBUG_26_BIT_25 (0x1 << 25)
+
+#define DDR_DEBUG_26_BIT_24_CLEAR ~(DDR_DEBUG_26_BIT_24)
+
+/* DEBUG_29 register */
+#define DDR_TX_BD_DIS (1 << 10) /* Transmit Bit Deskew Disable */
+
+#define DDR_INIT_ADDR_EXT_UIA (1 << 31)
+
+#endif /* DDR_REG_H */