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