/* * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _DRAM_SPEC_TIMING_HEAD_ #define _DRAM_SPEC_TIMING_HEAD_ #include enum { DDR3 = 3, LPDDR2 = 5, LPDDR3 = 6, LPDDR4 = 7, UNUSED = 0xFF }; enum ddr3_speed_rate { /* 5-5-5 */ DDR3_800D = 0, /* 6-6-6 */ DDR3_800E = 1, /* 6-6-6 */ DDR3_1066E = 2, /* 7-7-7 */ DDR3_1066F = 3, /* 8-8-8 */ DDR3_1066G = 4, /* 7-7-7 */ DDR3_1333F = 5, /* 8-8-8 */ DDR3_1333G = 6, /* 9-9-9 */ DDR3_1333H = 7, /* 10-10-10 */ DDR3_1333J = 8, /* 8-8-8 */ DDR3_1600G = 9, /* 9-9-9 */ DDR3_1600H = 10, /* 10-10-10 */ DDR3_1600J = 11, /* 11-11-11 */ DDR3_1600K = 12, /* 10-10-10 */ DDR3_1866J = 13, /* 11-11-11 */ DDR3_1866K = 14, /* 12-12-12 */ DDR3_1866L = 15, /* 13-13-13 */ DDR3_1866M = 16, /* 11-11-11 */ DDR3_2133K = 17, /* 12-12-12 */ DDR3_2133L = 18, /* 13-13-13 */ DDR3_2133M = 19, /* 14-14-14 */ DDR3_2133N = 20, DDR3_DEFAULT = 21, }; #define max(a, b) (((a) > (b)) ? (a) : (b)) #define range(mi, val, ma) (((ma) > (val)) ? (max(mi, val)) : (ma)) struct dram_timing_t { /* unit MHz */ uint32_t mhz; /* some timing unit is us */ uint32_t tinit1; uint32_t tinit2; uint32_t tinit3; uint32_t tinit4; uint32_t tinit5; /* reset low, DDR3:200us */ uint32_t trstl; /* reset high to CKE high, DDR3:500us */ uint32_t trsth; uint32_t trefi; /* base */ uint32_t trcd; /* trp per bank */ uint32_t trppb; /* trp all bank */ uint32_t trp; uint32_t twr; uint32_t tdal; uint32_t trtp; uint32_t trc; uint32_t trrd; uint32_t tccd; uint32_t twtr; uint32_t trtw; uint32_t tras_max; uint32_t tras_min; uint32_t tfaw; uint32_t trfc; uint32_t tdqsck; uint32_t tdqsck_max; /* pd or sr */ uint32_t txsr; uint32_t txsnr; uint32_t txp; uint32_t txpdll; uint32_t tdllk; uint32_t tcke; uint32_t tckesr; uint32_t tcksre; uint32_t tcksrx; uint32_t tdpd; /* mode regiter timing */ uint32_t tmod; uint32_t tmrd; uint32_t tmrr; uint32_t tmrri; /* ODT */ uint32_t todton; /* ZQ */ uint32_t tzqinit; uint32_t tzqcs; uint32_t tzqoper; uint32_t tzqreset; /* Write Leveling */ uint32_t twlmrd; uint32_t twlo; uint32_t twldqsen; /* CA Training */ uint32_t tcackel; uint32_t tcaent; uint32_t tcamrd; uint32_t tcackeh; uint32_t tcaext; uint32_t tadr; uint32_t tmrz; uint32_t tcacd; /* mode register */ uint32_t mr[4]; uint32_t mr11; /* lpddr4 spec */ uint32_t mr12; uint32_t mr13; uint32_t mr14; uint32_t mr16; uint32_t mr17; uint32_t mr20; uint32_t mr22; uint32_t tccdmw; uint32_t tppd; uint32_t tescke; uint32_t tsr; uint32_t tcmdcke; uint32_t tcscke; uint32_t tckelcs; uint32_t tcsckeh; uint32_t tckehcs; uint32_t tmrwckel; uint32_t tzqcal; uint32_t tzqlat; uint32_t tzqcke; uint32_t tvref_long; uint32_t tvref_short; uint32_t tvrcg_enable; uint32_t tvrcg_disable; uint32_t tfc_long; uint32_t tckfspe; uint32_t tckfspx; uint32_t tckehcmd; uint32_t tckelcmd; uint32_t tckelpd; uint32_t tckckel; /* other */ uint32_t al; uint32_t cl; uint32_t cwl; uint32_t bl; }; struct dram_info_t { /* speed_rate only used when DDR3 */ enum ddr3_speed_rate speed_rate; /* 1: use CS0, 2: use CS0 and CS1 */ uint32_t cs_cnt; /* give the max per-die capability on each rank/cs */ uint32_t per_die_capability[2]; }; struct timing_related_config { struct dram_info_t dram_info[2]; uint32_t dram_type; /* MHz */ uint32_t freq; uint32_t ch_cnt; uint32_t bl; /* 1:auto precharge, 0:never auto precharge */ uint32_t ap; /* * 1:dll bypass, 0:dll normal * dram and controller dll bypass at the same time */ uint32_t dllbp; /* 1:odt enable, 0:odt disable */ uint32_t odt; /* 1:enable, 0:disabe */ uint32_t rdbi; uint32_t wdbi; /* dram driver strength */ uint32_t dramds; /* dram ODT, if odt=0, this parameter invalid */ uint32_t dramodt; /* * ca ODT, if odt=0, this parameter invalid * it only used by LPDDR4 */ uint32_t caodt; }; /* mr0 for ddr3 */ #define DDR3_BL8 (0) #define DDR3_BC4_8 (1) #define DDR3_BC4 (2) #define DDR3_CL(n) (((((n) - 4) & 0x7) << 4)\ | ((((n) - 4) & 0x8) >> 1)) #define DDR3_WR(n) (((n) & 0x7) << 9) #define DDR3_DLL_RESET (1 << 8) #define DDR3_DLL_DERESET (0 << 8) /* mr1 for ddr3 */ #define DDR3_DLL_ENABLE (0) #define DDR3_DLL_DISABLE (1) #define DDR3_MR1_AL(n) (((n) & 0x3) << 3) #define DDR3_DS_40 (0) #define DDR3_DS_34 (1 << 1) #define DDR3_RTT_NOM_DIS (0) #define DDR3_RTT_NOM_60 (1 << 2) #define DDR3_RTT_NOM_120 (1 << 6) #define DDR3_RTT_NOM_40 ((1 << 2) | (1 << 6)) #define DDR3_TDQS (1 << 11) /* mr2 for ddr3 */ #define DDR3_MR2_CWL(n) ((((n) - 5) & 0x7) << 3) #define DDR3_RTT_WR_DIS (0) #define DDR3_RTT_WR_60 (1 << 9) #define DDR3_RTT_WR_120 (2 << 9) /* * MR0 (Device Information) * 0:DAI complete, 1:DAI still in progress */ #define LPDDR2_DAI (0x1) /* 0:S2 or S4 SDRAM, 1:NVM */ #define LPDDR2_DI (0x1 << 1) /* 0:DNV not supported, 1:DNV supported */ #define LPDDR2_DNVI (0x1 << 2) #define LPDDR2_RZQI (0x3 << 3) /* * 00:RZQ self test not supported, * 01:ZQ-pin may connect to VDDCA or float * 10:ZQ-pin may short to GND. * 11:ZQ-pin self test completed, no error condition detected. */ /* MR1 (Device Feature) */ #define LPDDR2_BL4 (0x2) #define LPDDR2_BL8 (0x3) #define LPDDR2_BL16 (0x4) #define LPDDR2_N_WR(n) (((n) - 2) << 5) /* MR2 (Device Feature 2) */ #define LPDDR2_RL3_WL1 (0x1) #define LPDDR2_RL4_WL2 (0x2) #define LPDDR2_RL5_WL2 (0x3) #define LPDDR2_RL6_WL3 (0x4) #define LPDDR2_RL7_WL4 (0x5) #define LPDDR2_RL8_WL4 (0x6) /* MR3 (IO Configuration 1) */ #define LPDDR2_DS_34 (0x1) #define LPDDR2_DS_40 (0x2) #define LPDDR2_DS_48 (0x3) #define LPDDR2_DS_60 (0x4) #define LPDDR2_DS_80 (0x6) /* optional */ #define LPDDR2_DS_120 (0x7) /* MR4 (Device Temperature) */ #define LPDDR2_TREF_MASK (0x7) #define LPDDR2_4_TREF (0x1) #define LPDDR2_2_TREF (0x2) #define LPDDR2_1_TREF (0x3) #define LPDDR2_025_TREF (0x5) #define LPDDR2_025_TREF_DERATE (0x6) #define LPDDR2_TUF (0x1 << 7) /* MR8 (Basic configuration 4) */ #define LPDDR2_S4 (0x0) #define LPDDR2_S2 (0x1) #define LPDDR2_N (0x2) /* Unit:MB */ #define LPDDR2_DENSITY(mr8) (8 << (((mr8) >> 2) & 0xf)) #define LPDDR2_IO_WIDTH(mr8) (32 >> (((mr8) >> 6) & 0x3)) /* MR10 (Calibration) */ #define LPDDR2_ZQINIT (0xff) #define LPDDR2_ZQCL (0xab) #define LPDDR2_ZQCS (0x56) #define LPDDR2_ZQRESET (0xc3) /* MR16 (PASR Bank Mask), S2 SDRAM Only */ #define LPDDR2_PASR_FULL (0x0) #define LPDDR2_PASR_1_2 (0x1) #define LPDDR2_PASR_1_4 (0x2) #define LPDDR2_PASR_1_8 (0x3) /* * MR0 (Device Information) * 0:DAI complete, * 1:DAI still in progress */ #define LPDDR3_DAI (0x1) /* * 00:RZQ self test not supported, * 01:ZQ-pin may connect to VDDCA or float * 10:ZQ-pin may short to GND. * 11:ZQ-pin self test completed, no error condition detected. */ #define LPDDR3_RZQI (0x3 << 3) /* * 0:DRAM does not support WL(Set B), * 1:DRAM support WL(Set B) */ #define LPDDR3_WL_SUPOT (1 << 6) /* * 0:DRAM does not support RL=3,nWR=3,WL=1; * 1:DRAM supports RL=3,nWR=3,WL=1 for frequencies <=166 */ #define LPDDR3_RL3_SUPOT (1 << 7) /* MR1 (Device Feature) */ #define LPDDR3_BL8 (0x3) #define LPDDR3_N_WR(n) ((n) << 5) /* MR2 (Device Feature 2), WL Set A,default */ /* <=166MHz,optional*/ #define LPDDR3_RL3_WL1 (0x1) /* <=400MHz*/ #define LPDDR3_RL6_WL3 (0x4) /* <=533MHz*/ #define LPDDR3_RL8_WL4 (0x6) /* <=600MHz*/ #define LPDDR3_RL9_WL5 (0x7) /* <=667MHz,default*/ #define LPDDR3_RL10_WL6 (0x8) /* <=733MHz*/ #define LPDDR3_RL11_WL6 (0x9) /* <=800MHz*/ #define LPDDR3_RL12_WL6 (0xa) /* <=933MHz*/ #define LPDDR3_RL14_WL8 (0xc) /* <=1066MHz*/ #define LPDDR3_RL16_WL8 (0xe) /* WL Set B, optional */ /* <=667MHz,default*/ #define LPDDR3_RL10_WL8 (0x8) /* <=733MHz*/ #define LPDDR3_RL11_WL9 (0x9) /* <=800MHz*/ #define LPDDR3_RL12_WL9 (0xa) /* <=933MHz*/ #define LPDDR3_RL14_WL11 (0xc) /* <=1066MHz*/ #define LPDDR3_RL16_WL13 (0xe) /* 1:enable nWR programming > 9(default)*/ #define LPDDR3_N_WRE (1 << 4) /* 1:Select WL Set B*/ #define LPDDR3_WL_S (1 << 6) /* 1:enable*/ #define LPDDR3_WR_LEVEL (1 << 7) /* MR3 (IO Configuration 1) */ #define LPDDR3_DS_34 (0x1) #define LPDDR3_DS_40 (0x2) #define LPDDR3_DS_48 (0x3) #define LPDDR3_DS_60 (0x4) #define LPDDR3_DS_80 (0x6) #define LPDDR3_DS_34D_40U (0x9) #define LPDDR3_DS_40D_48U (0xa) #define LPDDR3_DS_34D_48U (0xb) /* MR4 (Device Temperature) */ #define LPDDR3_TREF_MASK (0x7) /* SDRAM Low temperature operating limit exceeded */ #define LPDDR3_LT_EXED (0x0) #define LPDDR3_4_TREF (0x1) #define LPDDR3_2_TREF (0x2) #define LPDDR3_1_TREF (0x3) #define LPDDR3_05_TREF (0x4) #define LPDDR3_025_TREF (0x5) #define LPDDR3_025_TREF_DERATE (0x6) /* SDRAM High temperature operating limit exceeded */ #define LPDDR3_HT_EXED (0x7) /* 1:value has changed since last read of MR4 */ #define LPDDR3_TUF (0x1 << 7) /* MR8 (Basic configuration 4) */ #define LPDDR3_S8 (0x3) #define LPDDR3_DENSITY(mr8) (8 << (((mr8) >> 2) & 0xf)) #define LPDDR3_IO_WIDTH(mr8) (32 >> (((mr8) >> 6) & 0x3)) /* MR10 (Calibration) */ #define LPDDR3_ZQINIT (0xff) #define LPDDR3_ZQCL (0xab) #define LPDDR3_ZQCS (0x56) #define LPDDR3_ZQRESET (0xc3) /* MR11 (ODT Control) */ #define LPDDR3_ODT_60 (1) #define LPDDR3_ODT_120 (2) #define LPDDR3_ODT_240 (3) #define LPDDR3_ODT_DIS (0) /* MR2 (Device Feature 2) */ /* RL & nRTP for DBI-RD Disabled */ #define LPDDR4_RL6_NRTP8 (0x0) #define LPDDR4_RL10_NRTP8 (0x1) #define LPDDR4_RL14_NRTP8 (0x2) #define LPDDR4_RL20_NRTP8 (0x3) #define LPDDR4_RL24_NRTP10 (0x4) #define LPDDR4_RL28_NRTP12 (0x5) #define LPDDR4_RL32_NRTP14 (0x6) #define LPDDR4_RL36_NRTP16 (0x7) /* RL & nRTP for DBI-RD Disabled */ #define LPDDR4_RL12_NRTP8 (0x1) #define LPDDR4_RL16_NRTP8 (0x2) #define LPDDR4_RL22_NRTP8 (0x3) #define LPDDR4_RL28_NRTP10 (0x4) #define LPDDR4_RL32_NRTP12 (0x5) #define LPDDR4_RL36_NRTP14 (0x6) #define LPDDR4_RL40_NRTP16 (0x7) /* WL Set A,default */ #define LPDDR4_A_WL4 (0x0) #define LPDDR4_A_WL6 (0x1) #define LPDDR4_A_WL8 (0x2) #define LPDDR4_A_WL10 (0x3) #define LPDDR4_A_WL12 (0x4) #define LPDDR4_A_WL14 (0x5) #define LPDDR4_A_WL16 (0x6) #define LPDDR4_A_WL18 (0x7) /* WL Set B, optional */ #define LPDDR4_B_WL4 (0x0 << 3) #define LPDDR4_B_WL8 (0x1 << 3) #define LPDDR4_B_WL12 (0x2 << 3) #define LPDDR4_B_WL18 (0x3 << 3) #define LPDDR4_B_WL22 (0x4 << 3) #define LPDDR4_B_WL26 (0x5 << 3) #define LPDDR4_B_WL30 (0x6 << 3) #define LPDDR4_B_WL34 (0x7 << 3) /* 1:Select WL Set B*/ #define LPDDR4_WL_B (1 << 6) /* 1:enable*/ #define LPDDR4_WR_LEVEL (1 << 7) /* MR3 */ #define LPDDR4_VDDQ_2_5 (0) #define LPDDR4_VDDQ_3 (1) #define LPDDR4_WRPST_0_5_TCK (0 << 1) #define LPDDR4_WRPST_1_5_TCK (1 << 1) #define LPDDR4_PPR_EN (1 << 2) /* PDDS */ #define LPDDR4_PDDS_240 (0x1 << 3) #define LPDDR4_PDDS_120 (0x2 << 3) #define LPDDR4_PDDS_80 (0x3 << 3) #define LPDDR4_PDDS_60 (0x4 << 3) #define LPDDR4_PDDS_48 (0x5 << 3) #define LPDDR4_PDDS_40 (0x6 << 3) #define LPDDR4_DBI_RD_EN (1 << 6) #define LPDDR4_DBI_WR_EN (1 << 7) /* MR11 (ODT Control) */ #define LPDDR4_DQODT_240 (1) #define LPDDR4_DQODT_120 (2) #define LPDDR4_DQODT_80 (3) #define LPDDR4_DQODT_60 (4) #define LPDDR4_DQODT_48 (5) #define LPDDR4_DQODT_40 (6) #define LPDDR4_DQODT_DIS (0) #define LPDDR4_CAODT_240 (1 << 4) #define LPDDR4_CAODT_120 (2 << 4) #define LPDDR4_CAODT_80 (3 << 4) #define LPDDR4_CAODT_60 (4 << 4) #define LPDDR4_CAODT_48 (5 << 4) #define LPDDR4_CAODT_40 (6 << 4) #define LPDDR4_CAODT_DIS (0 << 4) /* * Description: depend on input parameter "timing_config", * and calculate correspond "dram_type" * spec timing to "pdram_timing" * parameters: * input: timing_config * output: pdram_timing * NOTE: MR ODT is set, need to disable by controller */ void dram_get_parameter(struct timing_related_config *timing_config, struct dram_timing_t *pdram_timing); #endif /* _DRAM_SPEC_TIMING_HEAD_ */