diff options
| author | Peng Fan <peng.fan@nxp.com> | 2018-11-20 10:19:53 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2019-01-01 14:12:18 +0100 |
| commit | 389023ced09e63f2f870a8ec2aa83276906bce6b (patch) | |
| tree | adbdf04a68bb603c7ba94665ab1309e34c519d25 /arch/arm/include/asm/arch-imx8m/lpddr4_define.h | |
| parent | 60afc5009baeaeb11a25ac13d288be1a0364d1b6 (diff) | |
imx: imx8m: add lpddr4 header file
Introduce lpddr4 header file
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm/include/asm/arch-imx8m/lpddr4_define.h')
| -rw-r--r-- | arch/arm/include/asm/arch-imx8m/lpddr4_define.h | 97 |
1 files changed, 97 insertions, 0 deletions
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 0000000000..caf5bafb6d --- /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__ */ |