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imx: imx8m: add lpddr4 header file

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Introduce lpddr4 header file

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2018-11-20 10:19:53 +00:00 • committed by Stefano Babic
parent 60afc5009b
commit 389023ced0
1 changed files with 97 additions and 0 deletions
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97
arch/arm/include/asm/arch-imx8m/lpddr4_define.h Normal file
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/* 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__ */