]> git.sur5r.net Git - u-boot/blobdiff - drivers/ram/stm32mp1/stm32mp1_ddr_regs.h
ram: stm32mp1: add driver
[u-boot] / drivers / ram / stm32mp1 / stm32mp1_ddr_regs.h
diff --git a/drivers/ram/stm32mp1/stm32mp1_ddr_regs.h b/drivers/ram/stm32mp1/stm32mp1_ddr_regs.h
new file mode 100644 (file)
index 0000000..82c254b
--- /dev/null
@@ -0,0 +1,365 @@
+/*
+ * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier:    GPL-2.0+        BSD-3-Clause
+ */
+
+#ifndef _RAM_STM32MP1_DDR_REGS_H
+#define _RAM_STM32MP1_DDR_REGS_H
+
+/* DDR3/LPDDR2/LPDDR3 Controller (DDRCTRL) registers */
+struct stm32mp1_ddrctl {
+       u32 mstr ;              /* 0x0 Master*/
+       u32 stat;               /* 0x4 Operating Mode Status*/
+       u8 reserved008[0x10 - 0x8];
+       u32 mrctrl0;            /* 0x10 Control 0.*/
+       u32 mrctrl1;            /* 0x14 Control 1*/
+       u32 mrstat;             /* 0x18 Status*/
+       u32 reserved01c;        /* 0x1c */
+       u32 derateen;           /* 0x20 Temperature Derate Enable*/
+       u32 derateint;          /* 0x24 Temperature Derate Interval*/
+       u8 reserved028[0x30 - 0x28];
+       u32 pwrctl;             /* 0x30 Low Power Control*/
+       u32 pwrtmg;             /* 0x34 Low Power Timing*/
+       u32 hwlpctl;            /* 0x38 Hardware Low Power Control*/
+       u8 reserved03c[0x50 - 0x3C];
+       u32 rfshctl0;           /* 0x50 Refresh Control 0*/
+       u32 reserved054;        /* 0x54 Refresh Control 1*/
+       u32 reserved058;        /* 0x58 Refresh Control 2*/
+       u32 reserved05C;
+       u32 rfshctl3;           /* 0x60 Refresh Control 0*/
+       u32 rfshtmg;            /* 0x64 Refresh Timing*/
+       u8 reserved068[0xc0 - 0x68];
+       u32 crcparctl0;         /* 0xc0 CRC Parity Control0*/
+       u32 reserved0c4;        /* 0xc4 CRC Parity Control1*/
+       u32 reserved0c8;        /* 0xc8 CRC Parity Control2*/
+       u32 crcparstat;         /* 0xcc CRC Parity Status*/
+       u32 init0;              /* 0xd0 SDRAM Initialization 0*/
+       u32 init1;              /* 0xd4 SDRAM Initialization 1*/
+       u32 init2;              /* 0xd8 SDRAM Initialization 2*/
+       u32 init3;              /* 0xdc SDRAM Initialization 3*/
+       u32 init4;              /* 0xe0 SDRAM Initialization 4*/
+       u32 init5;              /* 0xe4 SDRAM Initialization 5*/
+       u32 reserved0e8;
+       u32 reserved0ec;
+       u32 dimmctl;            /* 0xf0 DIMM Control*/
+       u8 reserved0f4[0x100 - 0xf4];
+       u32 dramtmg0;           /* 0x100 SDRAM Timing 0*/
+       u32 dramtmg1;           /* 0x104 SDRAM Timing 1*/
+       u32 dramtmg2;           /* 0x108 SDRAM Timing 2*/
+       u32 dramtmg3;           /* 0x10c SDRAM Timing 3*/
+       u32 dramtmg4;           /* 0x110 SDRAM Timing 4*/
+       u32 dramtmg5;           /* 0x114 SDRAM Timing 5*/
+       u32 dramtmg6;           /* 0x118 SDRAM Timing 6*/
+       u32 dramtmg7;           /* 0x11c SDRAM Timing 7*/
+       u32 dramtmg8;           /* 0x120 SDRAM Timing 8*/
+       u8 reserved124[0x138 - 0x124];
+       u32 dramtmg14;          /* 0x138 SDRAM Timing 14*/
+       u32 dramtmg15;          /* 0x13C SDRAM Timing 15*/
+       u8 reserved140[0x180 - 0x140];
+       u32 zqctl0;             /* 0x180 ZQ Control 0*/
+       u32 zqctl1;             /* 0x184 ZQ Control 1*/
+       u32 zqctl2;             /* 0x188 ZQ Control 2*/
+       u32 zqstat;             /* 0x18c ZQ Status*/
+       u32 dfitmg0;            /* 0x190 DFI Timing 0*/
+       u32 dfitmg1;            /* 0x194 DFI Timing 1*/
+       u32 dfilpcfg0;          /* 0x198 DFI Low Power Configuration 0*/
+       u32 reserved19c;
+       u32 dfiupd0;            /* 0x1a0 DFI Update 0*/
+       u32 dfiupd1;            /* 0x1a4 DFI Update 1*/
+       u32 dfiupd2;            /* 0x1a8 DFI Update 2*/
+       u32 reserved1ac;
+       u32 dfimisc;            /* 0x1b0 DFI Miscellaneous Control*/
+       u8 reserved1b4[0x1bc - 0x1b4];
+       u32 dfistat;            /* 0x1bc DFI Miscellaneous Control*/
+       u8 reserved1c0[0x1c4 - 0x1c0];
+       u32 dfiphymstr;         /* 0x1c4 DFI PHY Master interface*/
+       u8 reserved1c8[0x204 - 0x1c8];
+       u32 addrmap1;           /* 0x204 Address Map 1*/
+       u32 addrmap2;           /* 0x208 Address Map 2*/
+       u32 addrmap3;           /* 0x20c Address Map 3*/
+       u32 addrmap4;           /* 0x210 Address Map 4*/
+       u32 addrmap5;           /* 0x214 Address Map 5*/
+       u32 addrmap6;           /* 0x218 Address Map 6*/
+       u8 reserved21c[0x224 - 0x21c];
+       u32 addrmap9;           /* 0x224 Address Map 9*/
+       u32 addrmap10;          /* 0x228 Address Map 10*/
+       u32 addrmap11;          /* 0x22C Address Map 11*/
+       u8 reserved230[0x240 - 0x230];
+       u32 odtcfg;             /* 0x240 ODT Configuration*/
+       u32 odtmap;             /* 0x244 ODT/Rank Map*/
+       u8 reserved248[0x250 - 0x248];
+       u32 sched;              /* 0x250 Scheduler Control*/
+       u32 sched1;             /* 0x254 Scheduler Control 1*/
+       u32 reserved258;
+       u32 perfhpr1;           /* 0x25c High Priority Read CAM 1*/
+       u32 reserved260;
+       u32 perflpr1;           /* 0x264 Low Priority Read CAM 1*/
+       u32 reserved268;
+       u32 perfwr1;            /* 0x26c Write CAM 1*/
+       u8 reserved27c[0x300 - 0x270];
+       u32 dbg0;               /* 0x300 Debug 0*/
+       u32 dbg1;               /* 0x304 Debug 1*/
+       u32 dbgcam;             /* 0x308 CAM Debug*/
+       u32 dbgcmd;             /* 0x30c Command Debug*/
+       u32 dbgstat;            /* 0x310 Status Debug*/
+       u8 reserved314[0x320 - 0x314];
+       u32 swctl;              /* 0x320 Software Programming Control Enable*/
+       u32 swstat;             /* 0x324 Software Programming Control Status*/
+       u8 reserved328[0x36c - 0x328];
+       u32 poisoncfg;          /* 0x36c AXI Poison Configuration Register*/
+       u32 poisonstat;         /* 0x370 AXI Poison Status Register*/
+       u8 reserved374[0x3fc - 0x374];
+
+       /* Multi Port registers */
+       u32 pstat;              /* 0x3fc Port Status*/
+       u32 pccfg;              /* 0x400 Port Common Configuration*/
+
+       /* PORT 0 */
+       u32 pcfgr_0;            /* 0x404 Configuration Read*/
+       u32 pcfgw_0;            /* 0x408 Configuration Write*/
+       u8 reserved40c[0x490 - 0x40c];
+       u32 pctrl_0;            /* 0x490 Port Control Register */
+       u32 pcfgqos0_0;         /* 0x494 Read QoS Configuration 0*/
+       u32 pcfgqos1_0;         /* 0x498 Read QoS Configuration 1*/
+       u32 pcfgwqos0_0;        /* 0x49c Write QoS Configuration 0*/
+       u32 pcfgwqos1_0;        /* 0x4a0 Write QoS Configuration 1*/
+       u8 reserved4a4[0x4b4 - 0x4a4];
+
+       /* PORT 1 */
+       u32 pcfgr_1;            /* 0x4b4 Configuration Read*/
+       u32 pcfgw_1;            /* 0x4b8 Configuration Write*/
+       u8 reserved4bc[0x540 - 0x4bc];
+       u32 pctrl_1;            /* 0x540 Port 2 Control Register */
+       u32 pcfgqos0_1;         /* 0x544 Read QoS Configuration 0*/
+       u32 pcfgqos1_1;         /* 0x548 Read QoS Configuration 1*/
+       u32 pcfgwqos0_1;        /* 0x54c Write QoS Configuration 0*/
+       u32 pcfgwqos1_1;        /* 0x550 Write QoS Configuration 1*/
+};
+
+/* DDR Physical Interface Control (DDRPHYC) registers*/
+struct stm32mp1_ddrphy {
+       u32 ridr;               /* 0x00 R Revision Identification*/
+       u32 pir;                /* 0x04 R/W PHY Initialization*/
+       u32 pgcr;               /* 0x08 R/W PHY General Configuration*/
+       u32 pgsr;               /* 0x0C PHY General Status*/
+       u32 dllgcr;             /* 0x10 R/W DLL General Control*/
+       u32 acdllcr;            /* 0x14 R/W AC DLL Control*/
+       u32 ptr0;               /* 0x18 R/W PHY Timing 0*/
+       u32 ptr1;               /* 0x1C R/W PHY Timing 1*/
+       u32 ptr2;               /* 0x20 R/W PHY Timing 2*/
+       u32 aciocr;             /* 0x24 AC I/O Configuration*/
+       u32 dxccr;              /* 0x28 DATX8 Common Configuration*/
+       u32 dsgcr;              /* 0x2C DDR System General Configuration*/
+       u32 dcr;                /* 0x30 DRAM Configuration*/
+       u32 dtpr0;              /* 0x34 DRAM Timing Parameters0*/
+       u32 dtpr1;              /* 0x38 DRAM Timing Parameters1*/
+       u32 dtpr2;              /* 0x3C DRAM Timing Parameters2*/
+       u32 mr0;                /* 0x40 Mode 0*/
+       u32 mr1;                /* 0x44 Mode 1*/
+       u32 mr2;                /* 0x48 Mode 2*/
+       u32 mr3;                /* 0x4C Mode 3*/
+       u32 odtcr;              /* 0x50 ODT Configuration*/
+       u32 dtar;               /* 0x54 data training address*/
+       u32 dtdr0;              /* 0x58 */
+       u32 dtdr1;              /* 0x5c */
+       u8 res1[0x0c0 - 0x060]; /* 0x60 */
+       u32 dcuar;              /* 0xc0 Address*/
+       u32 dcudr;              /* 0xc4 DCU Data*/
+       u32 dcurr;              /* 0xc8 DCU Run*/
+       u32 dculr;              /* 0xcc DCU Loop*/
+       u32 dcugcr;             /* 0xd0 DCU General Configuration*/
+       u32 dcutpr;             /* 0xd4 DCU Timing Parameters */
+       u32 dcusr0;             /* 0xd8 DCU Status 0*/
+       u32 dcusr1;             /* 0xdc DCU Status 1*/
+       u8 res2[0x100 - 0xe0];  /* 0xe0 */
+       u32 bistrr;             /* 0x100 BIST Run*/
+       u32 bistmskr0;          /* 0x104 BIST Mask 0*/
+       u32 bistmskr1;          /* 0x108 BIST Mask 0*/
+       u32 bistwcr;            /* 0x10c BIST Word Count*/
+       u32 bistlsr;            /* 0x110 BIST LFSR Seed*/
+       u32 bistar0;            /* 0x114 BIST Address 0*/
+       u32 bistar1;            /* 0x118 BIST Address 1*/
+       u32 bistar2;            /* 0x11c BIST Address 2*/
+       u32 bistupdr;           /* 0x120 BIST User Data Pattern*/
+       u32 bistgsr;            /* 0x124 BIST General Status*/
+       u32 bistwer;            /* 0x128 BIST Word Error*/
+       u32 bistber0;           /* 0x12c BIST Bit Error 0*/
+       u32 bistber1;           /* 0x130 BIST Bit Error 1*/
+       u32 bistber2;           /* 0x134 BIST Bit Error 2*/
+       u32 bistwcsr;           /* 0x138 BIST Word Count Status*/
+       u32 bistfwr0;           /* 0x13c BIST Fail Word 0*/
+       u32 bistfwr1;           /* 0x140 BIST Fail Word 1*/
+       u8 res3[0x178 - 0x144]; /* 0x144 */
+       u32 gpr0;               /* 0x178 General Purpose 0 (GPR0)*/
+       u32 gpr1;               /* 0x17C General Purpose 1 (GPR1)*/
+       u32 zq0cr0;             /* 0x180 zq 0 control 0 */
+       u32 zq0cr1;             /* 0x184 zq 0 control 1 */
+       u32 zq0sr0;             /* 0x188 zq 0 status 0 */
+       u32 zq0sr1;             /* 0x18C zq 0 status 1 */
+       u8 res4[0x1C0 - 0x190]; /* 0x190 */
+       u32 dx0gcr;             /* 0x1c0 Byte lane 0 General Configuration*/
+       u32 dx0gsr0;            /* 0x1c4 Byte lane 0 General Status 0*/
+       u32 dx0gsr1;            /* 0x1c8 Byte lane 0 General Status 1*/
+       u32 dx0dllcr;           /* 0x1cc Byte lane 0 DLL Control*/
+       u32 dx0dqtr;            /* 0x1d0 Byte lane 0 DQ Timing*/
+       u32 dx0dqstr;           /* 0x1d4 Byte lane 0 DQS Timing*/
+       u8 res5[0x200 - 0x1d8]; /* 0x1d8 */
+       u32 dx1gcr;             /* 0x200 Byte lane 1 General Configuration*/
+       u32 dx1gsr0;            /* 0x204 Byte lane 1 General Status 0*/
+       u32 dx1gsr1;            /* 0x208 Byte lane 1 General Status 1*/
+       u32 dx1dllcr;           /* 0x20c Byte lane 1 DLL Control*/
+       u32 dx1dqtr;            /* 0x210 Byte lane 1 DQ Timing*/
+       u32 dx1dqstr;           /* 0x214 Byte lane 1 QS Timing*/
+       u8 res6[0x240 - 0x218]; /* 0x218 */
+       u32 dx2gcr;             /* 0x240 Byte lane 2 General Configuration*/
+       u32 dx2gsr0;            /* 0x244 Byte lane 2 General Status 0*/
+       u32 dx2gsr1;            /* 0x248 Byte lane 2 General Status 1*/
+       u32 dx2dllcr;           /* 0x24c Byte lane 2 DLL Control*/
+       u32 dx2dqtr;            /* 0x250 Byte lane 2 DQ Timing*/
+       u32 dx2dqstr;           /* 0x254 Byte lane 2 QS Timing*/
+       u8 res7[0x280 - 0x258]; /* 0x258 */
+       u32 dx3gcr;             /* 0x280 Byte lane 3 General Configuration*/
+       u32 dx3gsr0;            /* 0x284 Byte lane 3 General Status 0*/
+       u32 dx3gsr1;            /* 0x288 Byte lane 3 General Status 1*/
+       u32 dx3dllcr;           /* 0x28c Byte lane 3 DLL Control*/
+       u32 dx3dqtr;            /* 0x290 Byte lane 3 DQ Timing*/
+       u32 dx3dqstr;           /* 0x294 Byte lane 3 QS Timing*/
+};
+
+#define DXN(phy, offset, byte) ((u32)(phy) + (offset) + ((u32)(byte) * 0x40))
+#define DXNGCR(phy, byte)      DXN(phy, 0x1c0, byte)
+#define DXNDLLCR(phy, byte)    DXN(phy, 0x1cc, byte)
+#define DXNDQTR(phy, byte)     DXN(phy, 0x1d0, byte)
+#define DXNDQSTR(phy, byte)    DXN(phy, 0x1d4, byte)
+
+/* DDRCTRL REGISTERS */
+#define DDRCTRL_MSTR_DDR3                      BIT(0)
+#define DDRCTRL_MSTR_DATA_BUS_WIDTH_MASK       GENMASK(13, 12)
+#define DDRCTRL_MSTR_DATA_BUS_WIDTH_FULL       (0 << 12)
+#define DDRCTRL_MSTR_DATA_BUS_WIDTH_HALF       (1 << 12)
+#define DDRCTRL_MSTR_DATA_BUS_WIDTH_QUARTER    (2 << 12)
+#define DDRCTRL_MSTR_DLL_OFF_MODE              BIT(15)
+
+#define DDRCTRL_STAT_OPERATING_MODE_MASK       GENMASK(2, 0)
+#define DDRCTRL_STAT_OPERATING_MODE_NORMAL     1
+#define DDRCTRL_STAT_OPERATING_MODE_SR         3
+#define DDRCTRL_STAT_SELFREF_TYPE_MASK         GENMASK(5, 4)
+#define DDRCTRL_STAT_SELFREF_TYPE_ASR          (3 << 4)
+#define DDRCTRL_STAT_SELFREF_TYPE_SR           (2 << 4)
+
+#define DDRCTRL_MRCTRL0_MR_TYPE_WRITE          0
+/* only one rank supported */
+#define DDRCTRL_MRCTRL0_MR_RANK_SHIFT          4
+#define DDRCTRL_MRCTRL0_MR_RANK_ALL \
+               (0x1 << DDRCTRL_MRCTRL0_MR_RANK_SHIFT)
+#define DDRCTRL_MRCTRL0_MR_ADDR_SHIFT          12
+#define DDRCTRL_MRCTRL0_MR_ADDR_MASK           GENMASK(15, 12)
+#define DDRCTRL_MRCTRL0_MR_WR                  BIT(31)
+
+#define DDRCTRL_MRSTAT_MR_WR_BUSY              BIT(0)
+
+#define DDRCTRL_PWRCTL_POWERDOWN_EN            BIT(1)
+#define DDRCTRL_PWRCTL_SELFREF_SW              BIT(5)
+
+#define DDRCTRL_RFSHCTL3_DIS_AUTO_REFRESH      BIT(0)
+
+#define DDRCTRL_RFSHTMG_T_RFC_NOM_X1_X32_MASK  GENMASK(27, 16)
+#define DDRCTRL_RFSHTMG_T_RFC_NOM_X1_X32_SHIFT 16
+
+#define DDRCTRL_INIT0_SKIP_DRAM_INIT_MASK      (0xC0000000)
+#define DDRCTRL_INIT0_SKIP_DRAM_INIT_NORMAL    (BIT(30))
+
+#define DDRCTRL_DFIMISC_DFI_INIT_COMPLETE_EN   BIT(0)
+
+#define DDRCTRL_DBG1_DIS_HIF                   BIT(1)
+
+#define DDRCTRL_DBGCAM_WR_DATA_PIPELINE_EMPTY  BIT(29)
+#define DDRCTRL_DBGCAM_RD_DATA_PIPELINE_EMPTY  BIT(28)
+#define DDRCTRL_DBGCAM_DBG_WR_Q_EMPTY          BIT(26)
+#define DDRCTRL_DBGCAM_DBG_LPR_Q_DEPTH         GENMASK(12, 8)
+#define DDRCTRL_DBGCAM_DBG_HPR_Q_DEPTH         GENMASK(4, 0)
+#define DDRCTRL_DBGCAM_DATA_PIPELINE_EMPTY \
+               (DDRCTRL_DBGCAM_WR_DATA_PIPELINE_EMPTY | \
+                DDRCTRL_DBGCAM_RD_DATA_PIPELINE_EMPTY)
+#define DDRCTRL_DBGCAM_DBG_Q_DEPTH \
+               (DDRCTRL_DBGCAM_DBG_WR_Q_EMPTY | \
+                DDRCTRL_DBGCAM_DBG_LPR_Q_DEPTH | \
+                DDRCTRL_DBGCAM_DBG_HPR_Q_DEPTH)
+
+#define DDRCTRL_DBGCMD_RANK0_REFRESH           BIT(0)
+
+#define DDRCTRL_DBGSTAT_RANK0_REFRESH_BUSY     BIT(0)
+
+#define DDRCTRL_SWCTL_SW_DONE                  BIT(0)
+
+#define DDRCTRL_SWSTAT_SW_DONE_ACK             BIT(0)
+
+#define DDRCTRL_PCTRL_N_PORT_EN                        BIT(0)
+
+/* DDRPHYC registers */
+#define DDRPHYC_PIR_INIT                       BIT(0)
+#define DDRPHYC_PIR_DLLSRST                    BIT(1)
+#define DDRPHYC_PIR_DLLLOCK                    BIT(2)
+#define DDRPHYC_PIR_ZCAL                       BIT(3)
+#define DDRPHYC_PIR_ITMSRST                    BIT(4)
+#define DDRPHYC_PIR_DRAMRST                    BIT(5)
+#define DDRPHYC_PIR_DRAMINIT                   BIT(6)
+#define DDRPHYC_PIR_QSTRN                      BIT(7)
+#define DDRPHYC_PIR_ICPC                       BIT(16)
+#define DDRPHYC_PIR_ZCALBYP                    BIT(30)
+#define DDRPHYC_PIR_INITSTEPS_MASK             GENMASK(31, 7)
+
+#define DDRPHYC_PGCR_DFTCMP                    BIT(2)
+#define DDRPHYC_PGCR_PDDISDX                   BIT(24)
+#define DDRPHYC_PGCR_RFSHDT_MASK               GENMASK(28, 25)
+
+#define DDRPHYC_PGSR_IDONE                     BIT(0)
+#define DDRPHYC_PGSR_DTERR                     BIT(5)
+#define DDRPHYC_PGSR_DTIERR                    BIT(6)
+#define DDRPHYC_PGSR_DFTERR                    BIT(7)
+#define DDRPHYC_PGSR_RVERR                     BIT(8)
+#define DDRPHYC_PGSR_RVEIRR                    BIT(9)
+
+#define DDRPHYC_DLLGCR_BPS200                  BIT(23)
+
+#define DDRPHYC_ACDLLCR_DLLDIS                 BIT(31)
+
+#define DDRPHYC_ZQ0CRN_ZDATA_MASK              GENMASK(27, 0)
+#define DDRPHYC_ZQ0CRN_ZDATA_SHIFT             0
+#define DDRPHYC_ZQ0CRN_ZDEN                    BIT(28)
+
+#define DDRPHYC_DXNGCR_DXEN                    BIT(0)
+
+#define DDRPHYC_DXNDLLCR_DLLDIS                        BIT(31)
+#define DDRPHYC_DXNDLLCR_SDPHASE_MASK          GENMASK(17, 14)
+#define DDRPHYC_DXNDLLCR_SDPHASE_SHIFT         14
+
+#define DDRPHYC_DXNDQTR_DQDLY_SHIFT(bit)       (4 * (bit))
+#define DDRPHYC_DXNDQTR_DQDLY_MASK             GENMASK(3, 0)
+#define DDRPHYC_DXNDQTR_DQDLY_LOW_MASK         GENMASK(1, 0)
+#define DDRPHYC_DXNDQTR_DQDLY_HIGH_MASK                GENMASK(3, 2)
+
+#define DDRPHYC_DXNDQSTR_DQSDLY_MASK           GENMASK(22, 20)
+#define DDRPHYC_DXNDQSTR_DQSDLY_SHIFT          20
+#define DDRPHYC_DXNDQSTR_DQSNDLY_MASK          GENMASK(25, 23)
+#define DDRPHYC_DXNDQSTR_DQSNDLY_SHIFT         23
+#define DDRPHYC_DXNDQSTR_R0DGSL_MASK           GENMASK(2, 0)
+#define DDRPHYC_DXNDQSTR_R0DGSL_SHIFT          0
+#define DDRPHYC_DXNDQSTR_R0DGPS_MASK           GENMASK(13, 12)
+#define DDRPHYC_DXNDQSTR_R0DGPS_SHIFT          12
+
+#define DDRPHYC_BISTRR_BDXSEL_MASK             GENMASK(22, 19)
+#define DDRPHYC_BISTRR_BDXSEL_SHIFT            19
+
+#define DDRPHYC_BISTGSR_BDDONE                 BIT(0)
+#define DDRPHYC_BISTGSR_BDXERR                 BIT(2)
+
+#define DDRPHYC_BISTWCSR_DXWCNT_SHIFT          16
+
+/* PWR registers */
+#define PWR_CR3                                        0x00C
+#define PWR_CR3_DDRSRDIS                       BIT(11)
+#define PWR_CR3_DDRRETEN                       BIT(12)
+
+#endif