| /* |
| * UniPhier DDR PHY registers |
| * |
| * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef ARCH_DDRPHY_REGS_H |
| #define ARCH_DDRPHY_REGS_H |
| |
| #include <linux/compiler.h> |
| |
| #ifndef __ASSEMBLY__ |
| |
| struct ddrphy { |
| u32 ridr; /* Revision Identification Register */ |
| u32 pir; /* PHY Initialixation Register */ |
| u32 pgcr[2]; /* PHY General Configuration Register */ |
| u32 pgsr[2]; /* PHY General Status Register */ |
| u32 pllcr; /* PLL Control Register */ |
| u32 ptr[5]; /* PHY Timing Register */ |
| u32 acmdlr; /* AC Master Delay Line Register */ |
| u32 acbdlr; /* AC Bit Delay Line Register */ |
| u32 aciocr; /* AC I/O Configuration Register */ |
| u32 dxccr; /* DATX8 Common Configuration Register */ |
| u32 dsgcr; /* DDR System General Configuration Register */ |
| u32 dcr; /* DRAM Configuration Register */ |
| u32 dtpr[3]; /* DRAM Timing Parameters Register */ |
| u32 mr0; /* Mode Register 0 */ |
| u32 mr1; /* Mode Register 1 */ |
| u32 mr2; /* Mode Register 2 */ |
| u32 mr3; /* Mode Register 3 */ |
| u32 odtcr; /* ODT Configuration Register */ |
| u32 dtcr; /* Data Training Configuration Register */ |
| u32 dtar[4]; /* Data Training Address Register */ |
| u32 dtdr[2]; /* Data Training Data Register */ |
| u32 dtedr[2]; /* Data Training Eye Data Register */ |
| u32 pgcr2; /* PHY General Configuration Register 2 */ |
| u32 rsv0[8]; /* Reserved */ |
| u32 rdimmgcr[2]; /* RDIMM General Configuration Register */ |
| u32 rdimmcr0[2]; /* RDIMM Control Register */ |
| u32 dcuar; /* DCU Address Register */ |
| u32 dcudr; /* DCU Data Register */ |
| u32 dcurr; /* DCU Run Register */ |
| u32 dculr; /* DCU Loop Register */ |
| u32 dcugcr; /* DCU General Configuration Register */ |
| u32 dcutpr; /* DCU Timing Parameters Register */ |
| u32 dcusr[2]; /* DCU Status Register */ |
| u32 rsv1[8]; /* Reserved */ |
| u32 bistrr; /* BIST Run Register */ |
| u32 bistwcr; /* BIST Word Count Register */ |
| u32 bistmskr[3]; /* BIST Mask Register */ |
| u32 bistlsr; /* BIST LFSR Sed Register */ |
| u32 bistar[3]; /* BIST Address Register */ |
| u32 bistudpr; /* BIST User Data Pattern Register */ |
| u32 bistgsr; /* BIST General Status Register */ |
| u32 bistwer; /* BIST Word Error Register */ |
| u32 bistber[4]; /* BIST Bit Error Register */ |
| u32 bistwcsr; /* BIST Word Count Status Register */ |
| u32 bistfwr[3]; /* BIST Fail Word Register */ |
| u32 rsv2[10]; /* Reserved */ |
| u32 gpr[2]; /* General Purpose Register */ |
| struct ddrphy_zq { /* ZQ */ |
| u32 cr[2]; /* Impedance Control Register */ |
| u32 sr[2]; /* Impedance Status Register */ |
| } zq[4]; |
| struct ddrphy_datx8 { /* DATX8 */ |
| u32 gcr; /* General Configuration Register */ |
| u32 gsr[2]; /* General Status Register */ |
| u32 bdlr[5]; /* Bit Delay Line Register */ |
| u32 lcdlr[3]; /* Local Calibrated Delay Line Register */ |
| u32 mdlr; /* Master Delay Line Register */ |
| u32 gtr; /* General Timing Register */ |
| u32 gsr2; /* General Status Register 2 */ |
| u32 rsv[2]; /* Reserved */ |
| } dx[9]; |
| }; |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #define PIR_INIT (1 << 0) /* Initialization Trigger */ |
| #define PIR_ZCAL (1 << 1) /* Impedance Calibration */ |
| #define PIR_PLLINIT (1 << 4) /* PLL Initialization */ |
| #define PIR_DCAL (1 << 5) /* DDL Calibration */ |
| #define PIR_PHYRST (1 << 6) /* PHY Reset */ |
| #define PIR_DRAMRST (1 << 7) /* DRAM Reset */ |
| #define PIR_DRAMINIT (1 << 8) /* DRAM Initialization */ |
| #define PIR_WL (1 << 9) /* Write Leveling */ |
| #define PIR_QSGATE (1 << 10) /* Read DQS Gate Training */ |
| #define PIR_WLADJ (1 << 11) /* Write Leveling Adjust */ |
| #define PIR_RDDSKW (1 << 12) /* Read Data Bit Deskew */ |
| #define PIR_WRDSKW (1 << 13) /* Write Data Bit Deskew */ |
| #define PIR_RDEYE (1 << 14) /* Read Data Eye Training */ |
| #define PIR_WREYE (1 << 15) /* Write Data Eye Training */ |
| #define PIR_LOCKBYP (1 << 28) /* PLL Lock Bypass */ |
| #define PIR_DCALBYP (1 << 29) /* DDL Calibration Bypass */ |
| #define PIR_ZCALBYP (1 << 30) /* Impedance Calib Bypass */ |
| #define PIR_INITBYP (1 << 31) /* Initialization Bypass */ |
| |
| #define PGSR0_IDONE (1 << 0) /* Initialization Done */ |
| #define PGSR0_PLDONE (1 << 1) /* PLL Lock Done */ |
| #define PGSR0_DCDONE (1 << 2) /* DDL Calibration Done */ |
| #define PGSR0_ZCDONE (1 << 3) /* Impedance Calibration Done */ |
| #define PGSR0_DIDONE (1 << 4) /* DRAM Initialization Done */ |
| #define PGSR0_WLDONE (1 << 5) /* Write Leveling Done */ |
| #define PGSR0_QSGDONE (1 << 6) /* DQS Gate Training Done */ |
| #define PGSR0_WLADONE (1 << 7) /* Write Leveling Adjust Done */ |
| #define PGSR0_RDDONE (1 << 8) /* Read Bit Deskew Done */ |
| #define PGSR0_WDDONE (1 << 9) /* Write Bit Deskew Done */ |
| #define PGSR0_REDONE (1 << 10) /* Read Eye Training Done */ |
| #define PGSR0_WEDONE (1 << 11) /* Write Eye Training Done */ |
| #define PGSR0_IERR (1 << 16) /* Initialization Error */ |
| #define PGSR0_PLERR (1 << 17) /* PLL Lock Error */ |
| #define PGSR0_DCERR (1 << 18) /* DDL Calibration Error */ |
| #define PGSR0_ZCERR (1 << 19) /* Impedance Calib Error */ |
| #define PGSR0_DIERR (1 << 20) /* DRAM Initialization Error */ |
| #define PGSR0_WLERR (1 << 21) /* Write Leveling Error */ |
| #define PGSR0_QSGERR (1 << 22) /* DQS Gate Training Error */ |
| #define PGSR0_WLAERR (1 << 23) /* Write Leveling Adj Error */ |
| #define PGSR0_RDERR (1 << 24) /* Read Bit Deskew Error */ |
| #define PGSR0_WDERR (1 << 25) /* Write Bit Deskew Error */ |
| #define PGSR0_REERR (1 << 26) /* Read Eye Training Error */ |
| #define PGSR0_WEERR (1 << 27) /* Write Eye Training Error */ |
| #define PGSR0_DTERR_SHIFT 28 /* Data Training Error Status*/ |
| #define PGSR0_DTERR (7 << (PGSR0_DTERR_SHIFT)) |
| #define PGSR0_APLOCK (1 << 31) /* AC PLL Lock */ |
| |
| #define DXCCR_DQSRES_OPEN (0 << 5) |
| #define DXCCR_DQSRES_688_OHM (1 << 5) |
| #define DXCCR_DQSRES_611_OHM (2 << 5) |
| #define DXCCR_DQSRES_550_OHM (3 << 5) |
| #define DXCCR_DQSRES_500_OHM (4 << 5) |
| #define DXCCR_DQSRES_458_OHM (5 << 5) |
| #define DXCCR_DQSRES_393_OHM (6 << 5) |
| #define DXCCR_DQSRES_344_OHM (7 << 5) |
| |
| #define DXCCR_DQSNRES_OPEN (0 << 9) |
| #define DXCCR_DQSNRES_688_OHM (1 << 9) |
| #define DXCCR_DQSNRES_611_OHM (2 << 9) |
| #define DXCCR_DQSNRES_550_OHM (3 << 9) |
| #define DXCCR_DQSNRES_500_OHM (4 << 9) |
| #define DXCCR_DQSNRES_458_OHM (5 << 9) |
| #define DXCCR_DQSNRES_393_OHM (6 << 9) |
| #define DXCCR_DQSNRES_344_OHM (7 << 9) |
| |
| #define DTCR_DTRANK_SHIFT 4 /* Data Training Rank */ |
| #define DTCR_DTRANK_MASK (0x3 << (DTCR_DTRANK_SHIFT)) |
| #define DTCR_DTMPR (1 << 6) /* Data Training using MPR */ |
| #define DTCR_RNKEN_SHIFT 24 /* Rank Enable */ |
| #define DTCR_RNKEN_MASK (0xf << (DTCR_RNKEN_SHIFT)) |
| |
| #define DXGCR_WLRKEN_SHIFT 26 /* Write Level Rank Enable */ |
| #define DXGCR_WLRKEN_MASK (0xf << (DXGCR_WLRKEN_SHIFT)) |
| |
| /* SoC-specific parameters */ |
| #define NR_DATX8_PER_DDRPHY 2 |
| |
| #if defined(CONFIG_MACH_PH1_LD4) || defined(CONFIG_MACH_PH1_SLD8) |
| #define NR_DDRPHY_PER_CH 1 |
| #else |
| #define NR_DDRPHY_PER_CH 2 |
| #endif |
| |
| #define NR_DDRCH 2 |
| |
| #define DDRPHY_BASE(ch, phy) (0x5bc01000 + 0x200000 * (ch) + 0x1000 * (phy)) |
| |
| #ifndef __ASSEMBLY__ |
| void ddrphy_init(struct ddrphy __iomem *phy, int freq, int size); |
| void ddrphy_prepare_training(struct ddrphy __iomem *phy, int rank); |
| int ddrphy_training(struct ddrphy __iomem *phy); |
| #endif |
| |
| #endif /* ARCH_DDRPHY_REGS_H */ |