imx: imx8m: add lpddr4 header file
Introduce lpddr4 header file
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/include/asm/arch-imx8m/lpddr4_define.h b/arch/arm/include/asm/arch-imx8m/lpddr4_define.h
new file mode 100644
index 0000000..caf5baf
--- /dev/null
+++ b/arch/arm/include/asm/arch-imx8m/lpddr4_define.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2018 NXP
+ */
+
+#ifndef __LPDDR4_DEFINE_H_
+#define __LPDDR4_DEFINE_H_
+
+#define LPDDR4_DVFS_DBI
+#define DDR_ONE_RANK
+/* #define LPDDR4_DBI_ON */
+#define DFI_BUG_WR
+#define M845S_4GBx2
+#define PRETRAIN
+
+/* DRAM MR setting */
+#ifdef LPDDR4_DBI_ON
+#define LPDDR4_MR3 0xf1
+#define LPDDR4_PHY_DMIPinPresent 0x1
+#else
+#define LPDDR4_MR3 0x31
+#define LPDDR4_PHY_DMIPinPresent 0x0
+#endif
+
+#ifdef DDR_ONE_RANK
+#define LPDDR4_CS 0x1
+#else
+#define LPDDR4_CS 0x3
+#endif
+
+/* PHY training feature */
+#define LPDDR4_HDT_CTL_2D 0xC8
+#define LPDDR4_HDT_CTL_3200_1D 0xC8
+#define LPDDR4_HDT_CTL_400_1D 0xC8
+#define LPDDR4_HDT_CTL_100_1D 0xC8
+
+/* 400/100 training seq */
+#define LPDDR4_TRAIN_SEQ_P2 0x121f
+#define LPDDR4_TRAIN_SEQ_P1 0x121f
+#define LPDDR4_TRAIN_SEQ_P0 0x121f
+#define LPDDR4_TRAIN_SEQ_100 0x121f
+#define LPDDR4_TRAIN_SEQ_400 0x121f
+
+/* 2D share & weight */
+#define LPDDR4_2D_WEIGHT 0x1f7f
+#define LPDDR4_2D_SHARE 1
+#define LPDDR4_CATRAIN_3200_1d 0
+#define LPDDR4_CATRAIN_400 0
+#define LPDDR4_CATRAIN_100 0
+#define LPDDR4_CATRAIN_3200_2d 0
+
+/* MRS parameter */
+/* for LPDDR4 Rtt */
+#define LPDDR4_RTT40 6
+#define LPDDR4_RTT48 5
+#define LPDDR4_RTT60 4
+#define LPDDR4_RTT80 3
+#define LPDDR4_RTT120 2
+#define LPDDR4_RTT240 1
+#define LPDDR4_RTT_DIS 0
+
+/* for LPDDR4 Ron */
+#define LPDDR4_RON34 7
+#define LPDDR4_RON40 6
+#define LPDDR4_RON48 5
+#define LPDDR4_RON60 4
+#define LPDDR4_RON80 3
+
+#define LPDDR4_PHY_ADDR_RON60 0x1
+#define LPDDR4_PHY_ADDR_RON40 0x3
+#define LPDDR4_PHY_ADDR_RON30 0x7
+#define LPDDR4_PHY_ADDR_RON24 0xf
+#define LPDDR4_PHY_ADDR_RON20 0x1f
+
+/* for read channel */
+#define LPDDR4_RON LPDDR4_RON40
+#define LPDDR4_PHY_RTT 30
+#define LPDDR4_PHY_VREF_VALUE 17
+
+/* for write channel */
+#define LPDDR4_PHY_RON 30
+#define LPDDR4_PHY_ADDR_RON LPDDR4_PHY_ADDR_RON40
+#define LPDDR4_RTT_DQ LPDDR4_RTT40
+#define LPDDR4_RTT_CA LPDDR4_RTT40
+#define LPDDR4_RTT_CA_BANK0 LPDDR4_RTT40
+#define LPDDR4_RTT_CA_BANK1 LPDDR4_RTT40
+#define LPDDR4_VREF_VALUE_CA ((1 << 6) | (0xd))
+#define LPDDR4_VREF_VALUE_DQ_RANK0 ((1 << 6) | (0xd))
+#define LPDDR4_VREF_VALUE_DQ_RANK1 ((1 << 6) | (0xd))
+#define LPDDR4_MR22_RANK0 ((0 << 5) | (1 << 4) | (0 << 3) | \
+ (LPDDR4_RTT40))
+#define LPDDR4_MR22_RANK1 ((1 << 5) | (1 << 4) | (1 << 3) | \
+ (LPDDR4_RTT40))
+
+#define LPDDR4_MR3_PU_CAL 1
+
+#endif /* __LPDDR4_DEFINE_H__ */