1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Sun8i platform dram controller register and constant defines 4 * 5 * (C) Copyright 2007-2015 Allwinner Technology Co. 6 * Jerry Wang <wangflord@allwinnertech.com> 7 * (C) Copyright 2016 Theobroma Systems Design und Consulting GmbH 8 * Philipp Tomsich <philipp.tomsich@theobroma-systems.com> 9 */ 10 11#ifndef _SUNXI_DRAM_SUN9I_H 12#define _SUNXI_DRAM_SUN9I_H 13 14#ifndef __ASSEMBLY__ 15#include <linux/bitops.h> 16#endif 17 18struct sunxi_mctl_com_reg { 19 u32 cr; /* 0x00 */ 20 u32 ccr; /* 0x04 controller configuration register */ 21 u32 dbgcr; /* 0x08 */ 22 u32 dbgcr1; /* 0x0c */ 23 u32 rmcr; /* 0x10 */ 24 u8 res1[0x1c]; /* 0x14 */ 25 u32 mmcr; /* 0x30 */ 26 u8 res2[0x3c]; /* 0x34 */ 27 u32 mbagcr; /* 0x70 */ 28 u32 mbacr; /* 0x74 */ 29 u8 res3[0x10]; /* 0x78 */ 30 u32 maer; /* 0x88 */ 31 u8 res4[0x74]; /* 0x8c */ 32 u32 mdfscr; /* 0x100 */ 33 u32 mdfsmer; /* 0x104 */ 34 u32 mdfsmrmr; /* 0x108 */ 35 u32 mdfstr[4]; /* 0x10c */ 36 u32 mdfsgcr; /* 0x11c */ 37 u8 res5[0x1c]; /* 0x120 */ 38 u32 mdfsivr; /* 0x13c */ 39 u8 res6[0xc]; /* 0x140 */ 40 u32 mdfstcr; /* 0x14c */ 41}; 42 43 44struct sunxi_mctl_ctl_reg { 45 u32 mstr; /* 0x00 master register */ 46 u32 stat; /* 0x04 operating mode status register */ 47 u8 res1[0x8]; /* 0x08 */ 48 u32 mrctrl[2]; /* 0x10 mode register read/write control reg */ 49 u32 mstat; /* 0x18 mode register read/write status reg */ 50 u8 res2[0x4]; /* 0x1c */ 51 u32 derateen; /* 0x20 temperature derate enable register */ 52 u32 derateint; /* 0x24 temperature derate interval register */ 53 u8 res3[0x8]; /* 0x28 */ 54 u32 pwrctl; /* 0x30 low power control register */ 55 u32 pwrtmg; /* 0x34 low power timing register */ 56 u8 res4[0x18]; /* 0x38 */ 57 u32 rfshctl0; /* 0x50 refresh control register 0 */ 58 u32 rfshctl1; /* 0x54 refresh control register 1 */ 59 u8 res5[0x8]; /* 0x58 */ 60 u32 rfshctl3; /* 0x60 refresh control register 3 */ 61 u32 rfshtmg; /* 0x64 refresh timing register */ 62 u8 res6[0x68]; /* 0x68 */ 63 u32 init[6]; /* 0xd0 SDRAM initialisation register */ 64 u8 res7[0xc]; /* 0xe8 */ 65 u32 rankctl; /* 0xf4 rank control register */ 66 u8 res8[0x8]; /* 0xf8 */ 67 u32 dramtmg[9]; /* 0x100 DRAM timing register */ 68 u8 res9[0x5c]; /* 0x124 */ 69 u32 zqctrl[3]; /* 0x180 ZQ control register */ 70 u32 zqstat; /* 0x18c ZQ status register */ 71 u32 dfitmg[2]; /* 0x190 DFI timing register */ 72 u32 dfilpcfg; /* 0x198 DFI low power configuration register */ 73 u8 res10[0x4]; /* 0x19c */ 74 u32 dfiupd[4]; /* 0x1a0 DFI update register */ 75 u32 dfimisc; /* 0x1b0 DFI miscellaneous control register */ 76 u8 res11[0x1c]; /* 0x1b4 */ 77 u32 trainctl[3]; /* 0x1d0 */ 78 u32 trainstat; /* 0x1dc */ 79 u8 res12[0x20]; /* 0x1e0 */ 80 u32 addrmap[7]; /* 0x200 address map register */ 81 u8 res13[0x24]; /* 0x21c */ 82 u32 odtcfg; /* 0x240 ODT configuration register */ 83 u32 odtmap; /* 0x244 ODT/rank map register */ 84 u8 res14[0x8]; /* 0x248 */ 85 u32 sched; /* 0x250 scheduler control register */ 86 u8 res15[0x4]; /* 0x254 */ 87 u32 perfhpr0; /* 0x258 high priority read CAM register 0 */ 88 u32 perfhpr1; /* 0x25c high priority read CAM register 1 */ 89 u32 perflpr0; /* 0x260 low priority read CAM register 0 */ 90 u32 perflpr1; /* 0x264 low priority read CAM register 1 */ 91 u32 perfwr0; /* 0x268 write CAM register 0 */ 92 u32 perfwr1; /* 0x26c write CAM register 1 */ 93}; 94 95 96struct sunxi_mctl_phy_reg { 97 u8 res0[0x04]; /* 0x00 revision id ??? */ 98 u32 pir; /* 0x04 PHY initialisation register */ 99 u32 pgcr[4]; /* 0x08 PHY general configuration register */ 100 u32 pgsr[2]; /* 0x18 PHY general status register */ 101 u32 pllcr; /* 0x20 PLL control register */ 102 u32 ptr[5]; /* 0x24 PHY timing register */ 103 u32 acmdlr; /* 0x38 AC master delay line register */ 104 u32 aclcdlr; /* 0x3c AC local calibrated delay line reg */ 105 u32 acbdlr[10]; /* 0x40 AC bit delay line register */ 106 u32 aciocr[6]; /* 0x68 AC IO configuration register */ 107 u32 dxccr; /* 0x80 DATX8 common configuration register */ 108 u32 dsgcr; /* 0x84 DRAM system general config register */ 109 u32 dcr; /* 0x88 DRAM configuration register */ 110 u32 dtpr[4]; /* 0x8c DRAM timing parameters register */ 111 u32 mr0; /* 0x9c mode register 0 */ 112 u32 mr1; /* 0xa0 mode register 1 */ 113 u32 mr2; /* 0xa4 mode register 2 */ 114 u32 mr3; /* 0xa8 mode register 3 */ 115 u32 odtcr; /* 0xac ODT configuration register */ 116 u32 dtcr; /* 0xb0 data training configuration register */ 117 u32 dtar[4]; /* 0xb4 data training address register */ 118 u32 dtdr[2]; /* 0xc4 data training data register */ 119 u32 dtedr[2]; /* 0xcc data training eye data register */ 120 u32 rdimmgcr[2]; /* 0xd4 RDIMM general configuration register */ 121 u32 rdimmcr[2]; /* 0xdc RDIMM control register */ 122 u32 gpr[2]; /* 0xe4 general purpose register */ 123 u32 catr[2]; /* 0xec CA training register */ 124 u32 dqdsr; /* 0xf4 DQS drift register */ 125 u8 res1[0xc8]; /* 0xf8 */ 126 u32 bistrr; /* 0x1c0 BIST run register */ 127 u32 bistwcr; /* 0x1c4 BIST word count register */ 128 u32 bistmskr[3]; /* 0x1c8 BIST mask register */ 129 u32 bistlsr; /* 0x1d4 BIST LFSR seed register */ 130 u32 bistar[3]; /* 0x1d8 BIST address register */ 131 u32 bistupdr; /* 0x1e4 BIST user pattern data register */ 132 u32 bistgsr; /* 0x1e8 BIST general status register */ 133 u32 bistwer; /* 0x1dc BIST word error register */ 134 u32 bistber[4]; /* 0x1f0 BIST bit error register */ 135 u32 bistwcsr; /* 0x200 BIST word count status register */ 136 u32 bistfwr[3]; /* 0x204 BIST fail word register */ 137 u8 res2[0x28]; /* 0x210 */ 138 u32 iovcr[2]; /* 0x238 IO VREF control register */ 139 struct ddrphy_zq { 140 u32 cr; /* impedance control register */ 141 u32 pr; /* impedance control data register */ 142 u32 dr; /* impedance control data register */ 143 u32 sr; /* impedance control status register */ 144 } zq[4]; /* 0x240, 0x250, 0x260, 0x270 */ 145 struct ddrphy_dx { 146 u32 gcr[4]; /* DATX8 general configuration register */ 147 u32 gsr[3]; /* DATX8 general status register */ 148 u32 bdlr[7]; /* DATX8 bit delay line register */ 149 u32 lcdlr[3]; /* DATX8 local calibrated delay line reg */ 150 u32 mdlr; /* DATX8 master delay line register */ 151 u32 gtr; /* DATX8 general timing register */ 152 u8 res[0x34]; 153 } dx[4]; /* 0x280, 0x300, 0x380, 0x400 */ 154}; 155 156/* 157 * DRAM common (sunxi_mctl_com_reg) register constants. 158 */ 159#define MCTL_CR_RANK_MASK (3 << 0) 160#define MCTL_CR_RANK(x) (((x) - 1) << 0) 161#define MCTL_CR_BANK_MASK (3 << 2) 162#define MCTL_CR_BANK(x) ((x) << 2) 163#define MCTL_CR_ROW_MASK (0xf << 4) 164#define MCTL_CR_ROW(x) (((x) - 1) << 4) 165#define MCTL_CR_PAGE_SIZE_MASK (0xf << 8) 166#define MCTL_CR_PAGE_SIZE(x) ((fls(x) - 4) << 8) 167#define MCTL_CR_BUSW_MASK (3 << 12) 168#define MCTL_CR_BUSW16 (1 << 12) 169#define MCTL_CR_BUSW32 (3 << 12) 170#define MCTL_CR_DRAMTYPE_MASK (7 << 16) 171#define MCTL_CR_DRAMTYPE_DDR2 (2 << 16) 172#define MCTL_CR_DRAMTYPE_DDR3 (3 << 16) 173#define MCTL_CR_DRAMTYPE_LPDDR2 (6 << 16) 174 175#define MCTL_CR_CHANNEL_MASK ((1 << 22) | (1 << 20) | (1 << 19)) 176#define MCTL_CR_CHANNEL_SINGLE (1 << 22) 177#define MCTL_CR_CHANNEL_DUAL ((1 << 22) | (1 << 20) | (1 << 19)) 178 179#define MCTL_CCR_CH0_CLK_EN (1 << 15) 180#define MCTL_CCR_CH1_CLK_EN (1 << 31) 181 182/* 183 * post_cke_x1024 [bits 16..25]: Cycles to wait after driving CKE high 184 * to start the SDRAM initialization sequence (in 1024s of cycles). 185 */ 186#define MCTL_INIT0_POST_CKE_x1024(n) ((n & 0x0fff) << 16) 187/* 188 * pre_cke_x1024 [bits 0..11] Cycles to wait after reset before driving 189 * CKE high to start the SDRAM initialization (in 1024s of cycles) 190 */ 191#define MCTL_INIT0_PRE_CKE_x1024(n) ((n & 0x0fff) << 0) 192#define MCTL_INIT1_DRAM_RSTN_x1024(n) ((n & 0xff) << 16) 193#define MCTL_INIT1_FINAL_WAIT_x32(n) ((n & 0x3f) << 8) 194#define MCTL_INIT1_PRE_OCD_x32(n) ((n & 0x0f) << 0) 195#define MCTL_INIT2_IDLE_AFTER_RESET_x32(n) ((n & 0xff) << 8) 196#define MCTL_INIT2_MIN_STABLE_CLOCK_x1(n) ((n & 0x0f) << 0) 197#define MCTL_INIT3_MR(n) ((n & 0xffff) << 16) 198#define MCTL_INIT3_EMR(n) ((n & 0xffff) << 0) 199#define MCTL_INIT4_EMR2(n) ((n & 0xffff) << 16) 200#define MCTL_INIT4_EMR3(n) ((n & 0xffff) << 0) 201#define MCTL_INIT5_DEV_ZQINIT_x32(n) ((n & 0x00ff) << 16) 202#define MCTL_INIT5_MAX_AUTO_INIT_x1024(n) ((n & 0x03ff) << 0); 203 204#define MCTL_DFIMISC_DFI_INIT_COMPLETE_EN (1 << 0) 205#define MCTL_DFIUPD0_DIS_AUTO_CTRLUPD (1 << 31) 206 207#define MCTL_MSTR_DEVICETYPE_DDR3 1 208#define MCTL_MSTR_DEVICETYPE_LPDDR2 4 209#define MCTL_MSTR_DEVICETYPE_LPDDR3 8 210#define MCTL_MSTR_DEVICETYPE(type) \ 211 ((type == DRAM_TYPE_DDR3) ? MCTL_MSTR_DEVICETYPE_DDR3 : \ 212 ((type == DRAM_TYPE_LPDDR2) ? MCTL_MSTR_DEVICETYPE_LPDDR2 : \ 213 MCTL_MSTR_DEVICETYPE_LPDDR3)) 214#define MCTL_MSTR_BURSTLENGTH4 (2 << 16) 215#define MCTL_MSTR_BURSTLENGTH8 (4 << 16) 216#define MCTL_MSTR_BURSTLENGTH16 (8 << 16) 217#define MCTL_MSTR_BURSTLENGTH(type) \ 218 ((type == DRAM_TYPE_DDR3) ? MCTL_MSTR_BURSTLENGTH8 : \ 219 ((type == DRAM_TYPE_LPDDR2) ? MCTL_MSTR_BURSTLENGTH4 : \ 220 MCTL_MSTR_BURSTLENGTH8)) 221#define MCTL_MSTR_ACTIVERANKS(x) (((x == 2) ? 3 : 1) << 24) 222#define MCTL_MSTR_BUSWIDTH8 (2 << 12) 223#define MCTL_MSTR_BUSWIDTH16 (1 << 12) 224#define MCTL_MSTR_BUSWIDTH32 (0 << 12) 225#define MCTL_MSTR_2TMODE (1 << 10) 226 227#define MCTL_RFSHCTL3_DIS_AUTO_REFRESH (1 << 0) 228 229#define MCTL_ZQCTRL0_TZQCS(x) (x << 0) 230#define MCTL_ZQCTRL0_TZQCL(x) (x << 16) 231#define MCTL_ZQCTRL0_ZQCL_DIS (1 << 30) 232#define MCTL_ZQCTRL0_ZQCS_DIS (1 << 31) 233#define MCTL_ZQCTRL1_TZQRESET(x) (x << 20) 234#define MCTL_ZQCTRL1_TZQSI_x1024(x) (x << 0) 235#define MCTL_ZQCTRL2_TZRESET_TRIGGER (1 << 0) 236 237#define MCTL_PHY_DCR_BYTEMASK (1 << 10) 238#define MCTL_PHY_DCR_2TMODE (1 << 28) 239#define MCTL_PHY_DCR_DDR8BNK (1 << 3) 240#define MCTL_PHY_DRAMMODE_DDR3 3 241#define MCTL_PHY_DRAMMODE_LPDDR2 0 242#define MCTL_PHY_DRAMMODE_LPDDR3 1 243 244#define MCTL_DTCR_DEFAULT 0x00003007 245#define MCTL_DTCR_RANKEN(n) (((n == 2) ? 3 : 1) << 24) 246 247#define MCTL_PGCR1_ZCKSEL_MASK (3 << 23) 248#define MCTL_PGCR1_IODDRM_MASK (3 << 7) 249#define MCTL_PGCR1_IODDRM_DDR3 (1 << 7) 250#define MCTL_PGCR1_IODDRM_DDR3L (2 << 7) 251#define MCTL_PGCR1_INHVT_EN (1 << 26) 252 253#define MCTL_PLLGCR_PLL_BYPASS (1 << 31) 254#define MCTL_PLLGCR_PLL_POWERDOWN (1 << 29) 255 256#define MCTL_PIR_PLL_BYPASS (1 << 17) 257#define MCTL_PIR_MASK (~(1 << 17)) 258#define MCTL_PIR_INIT (1 << 0) 259 260#define MCTL_PGSR0_ERRORS (0x1ff << 20) 261 262/* Constants for assembling MR0 */ 263#define DDR3_MR0_PPD_FAST_EXIT (1 << 12) 264#define DDR3_MR0_WR(n) \ 265 ((n <= 8) ? ((n - 4) << 9) : (((n >> 1) & 0x7) << 9)) 266#define DDR3_MR0_CL(n) \ 267 ((((n - 4) & 0x7) << 4) | (((n - 4) & 0x8) >> 2)) 268#define DDR3_MR0_BL8 (0 << 0) 269 270#define DDR3_MR1_RTT120OHM ((0 << 9) | (1 << 6) | (0 << 2)) 271 272#define DDR3_MR2_TWL(n) \ 273 (((n - 5) & 0x7) << 3) 274 275#define MCTL_NS2CYCLES_CEIL(ns) ((ns * (CONFIG_DRAM_CLK / 2) + 999) / 1000) 276 277#define DRAM_TYPE_DDR3 3 278#define DRAM_TYPE_LPDDR2 6 279#define DRAM_TYPE_LPDDR3 7 280 281#endif 282