| #define __ASSEMBLY__ |
| |
| #include <ddrc_mem_map.h> |
| #include <ddr_phy_mem_map.h> |
| |
| /* |
| * Device Configuration Data (DCD) |
| * |
| * Each entry must have the format: |
| * Addr-type Address Value |
| * |
| * where: |
| * Addr-type register length (1,2 or 4 bytes) |
| * Address absolute address of the register |
| * value value to be stored in the register |
| */ |
| |
| #ifndef SCFW_DCD |
| /* For 1600MHz DDR, DRC 800MHz operation */ |
| DATA 4 0xff148000 0x00000885 /* DRC0 bringup */ |
| DATA 4 0xff1a0000 0x00000885 /* DRC1 bringup */ |
| #else |
| /* Set the DRC rate to 1.6GHz. */ |
| uint32_t rate2 = SC_800MHZ; |
| pm_set_clock_rate(SC_PT, SC_R_DRC_0, SC_PM_CLK_MISC0, &rate2); |
| pm_set_clock_rate(SC_PT, SC_R_DRC_1, SC_PM_CLK_MISC0, &rate2); |
| #endif |
| |
| DATA 4 0x41a40208 0x1 |
| DATA 4 0x41d00208 0x1 |
| DATA 4 0x41a40040 0xb |
| DATA 4 0x41d00040 0xb |
| DATA 4 0x41a40204 0x1 |
| DATA 4 0x41d00204 0x1 |
| /* DRAM 0 controller configuration begin */ |
| DATA 4 DDRC_MSTR_0 0xC3080020 // Set LPDDR4, BL = 16 and active ranks |
| DATA 4 DDRC_DERATEEN_0 0x00000213 // derate enable, derate values, byte to read MRR data |
| DATA 4 DDRC_DERATEINT_0 0x0124F800 // derate MR4 interval read |
| DATA 4 DDRC_RFSHTMG_0 0x006100E0 // tREFI, tRFC |
| DATA 4 DDRC_INIT0_0 0x4002061B // pre_cke = 2ms, post_cke = 2us |
| DATA 4 DDRC_INIT1_0 0x009D0000 // dram_rstn = 200us |
| DATA 4 DDRC_INIT3_0 0x0054002D // MR1=0x54: nWR=30 BL=16; MR2=0x2d: RL=28 WL=14 |
| DATA 4 DDRC_INIT4_0 0x00F10000 // MR3, MR13 |
| DATA 4 DDRC_RANKCTL_0 0x0000066F // diff_rank_wr_gap, diff_rank_rd_gap, max_rank_rd |
| DATA 4 DDRC_DRAMTMG0_0 0x1A201B22 // wr2pr, tFAW, tRASmax, tRASmin |
| DATA 4 DDRC_DRAMTMG1_0 0x00060633 // tXP, rd2pre, tRC |
| DATA 4 DDRC_DRAMTMG2_0 0x07101314 // WL, RL, rd2wr, wr2rd |
| DATA 4 DDRC_DRAMTMG3_0 0x00C0C000 // tmrw, tmrd, tmod |
| DATA 4 DDRC_DRAMTMG4_0 0x0F04080F // trcd, tccd, trrd, trp |
| DATA 4 DDRC_DRAMTMG5_0 0x02040C0C // tCKCKEH, tCKCKEL, tckesr, tcke |
| DATA 4 DDRC_DRAMTMG6_0 0x02020007 // tckdpde, tckdpdx, tckcsx |
| DATA 4 DDRC_DRAMTMG7_0 0x00000401 // tckpde, tckpdx |
| DATA 4 DDRC_DRAMTMG12_0 0x00020610 // tCMDCKE, tCKEHCMD |
| DATA 4 DDRC_DRAMTMG13_0 0x0C100002 // tODTLoff, tCCDMW, tPPD |
| DATA 4 DDRC_DRAMTMG14_0 0x000000E6 // txsr |
| DATA 4 DDRC_ZQCTL0_0 0x43200018 // tZQCAL, tZQLAT |
| DATA 4 DDRC_ZQCTL1_0 0x02820000 // tZQReset, tzq_short_interval |
| DATA 4 DDRC_DFITMG0_0 0x049E820C // dfi_t_ctrl_delay, dfi_t_rddata_en, dfi_tphy_wrdata, dfi_tphy_wrlat |
| DATA 4 DDRC_DFITMG1_0 0x00070303 // dfi_t_wrdata_delay, dfi_t_dram_clk_disable, dfi_t_dram_clk_enable |
| DATA 4 DDRC_DFITMG2_0 0x00001C0A // dfi_tphy_rdcslat, dfi_tphy_wrcslat |
| DATA 4 DDRC_DFIMISC_0 0x00000005 // dfi_data_cs_polarity |
| DATA 4 DDRC_DFIUPD0_0 0x00400003 // Disable the automatic dfi_ctrlupd_req generation |
| DATA 4 DDRC_DFIUPD1_0 0x008000A0 // dfi_ctrlupd_req generation interval generation (min and max) |
| DATA 4 DDRC_DFIUPD2_0 0x80000000 // dfi_phyupd_en |
| DATA 4 DDRC_ADDRMAP0_0 0x00000015 // addrmap_cs_bit0 |
| DATA 4 DDRC_ADDRMAP4_0 0x00001F1F // addrmap_col_b10 and addrmap_col_b11 set to de-activated |
| DATA 4 DDRC_ADDRMAP1_0 0x00080808 // addrmap_bank_b2, addrmap_bank_b1, addrmap_bank_b0 |
| DATA 4 DDRC_ADDRMAP5_0 0x07070707 // addrmap_row_b11, addrmap_row_b10_b2, addrmap_row_b1, addrmap_row_b0 |
| DATA 4 DDRC_ADDRMAP6_0 0x48080707 // addrmap_row_b15, addrmap_row_b14, addrmap_row_b13, addrmap_row_b12 |
| DATA 4 DDRC_DBICTL_0 0x00000007 // rd_dbi_en=wr_dbi_en=dm_en=1 |
| DATA 4 DDRC_ODTMAP_0 0x00002211 // rank[3:0]_wr_odt, rank[3:0]_wr_odt |
| DATA 4 DDRC_PCTRL_0_0 0x00000001 // Enable port 0 |
| DATA 4 DDRC_DFITMG0_SHADOW_0 0x00808000 |
| /* DRAM 1 controller initialization */ |
| DATA 4 DDRC_MSTR_1 0xC3080020 // Set LPDDR4, BL = 16 and active ranks |
| DATA 4 DDRC_DERATEEN_1 0x00000213 // derate enable, derate values, byte to read MRR data |
| DATA 4 DDRC_DERATEINT_1 0x0124F800 // derate MR4 interval read |
| DATA 4 DDRC_RFSHTMG_1 0x006100E0 // tREFI, tRFC |
| DATA 4 DDRC_INIT0_1 0x4002061B // pre_cke = 2ms, post_cke = 2us |
| DATA 4 DDRC_INIT1_1 0x009D0000 // dram_rstn = 200us |
| DATA 4 DDRC_INIT3_1 0x0054002D // MR1=0x54: nWR=30 BL=16; MR2=0x2d: RL=28 WL=14 |
| DATA 4 DDRC_INIT4_1 0x00F10000 // MR3, MR13 |
| DATA 4 DDRC_RANKCTL_1 0x0000066F // diff_rank_wr_gap, diff_rank_rd_gap, max_rank_rd |
| DATA 4 DDRC_DRAMTMG0_1 0x1A201B22 // wr2pr, tFAW, tRASmax, tRASmin |
| DATA 4 DDRC_DRAMTMG1_1 0x00060633 // tXP, rd2pre, tRC |
| DATA 4 DDRC_DRAMTMG2_1 0x07101314 // WL, RL, rd2wr, wr2rd |
| DATA 4 DDRC_DRAMTMG3_1 0x00C0C000 // tmrw, tmrd, tmod |
| DATA 4 DDRC_DRAMTMG4_1 0x0F04080F // trcd, tccd, trrd, trp |
| DATA 4 DDRC_DRAMTMG5_1 0x02040C0C // tCKCKEH, tCKCKEL, tckesr, tcke |
| DATA 4 DDRC_DRAMTMG6_1 0x02020007 // tckdpde, tckdpdx, tckcsx |
| DATA 4 DDRC_DRAMTMG7_1 0x00000401 // tckpde, tckpdx |
| DATA 4 DDRC_DRAMTMG12_1 0x00020610 // tCMDCKE, tCKEHCMD |
| DATA 4 DDRC_DRAMTMG13_1 0x0C100002 // tODTLoff, tCCDMW, tPPD |
| DATA 4 DDRC_DRAMTMG14_1 0x000000E6 // txsr |
| DATA 4 DDRC_ZQCTL0_1 0x43200018 // tZQCAL, tZQLAT |
| DATA 4 DDRC_ZQCTL1_1 0x02820000 // tZQReset, tzq_short_interval |
| DATA 4 DDRC_DFITMG0_1 0x049E820C // dfi_t_ctrl_delay, dfi_t_rddata_en, dfi_tphy_wrdata, dfi_tphy_wrlat |
| DATA 4 DDRC_DFITMG1_1 0x00070303 // dfi_t_wrdata_delay, dfi_t_dram_clk_disable, dfi_t_dram_clk_enable |
| DATA 4 DDRC_DFITMG2_1 0x00001C0A // dfi_tphy_rdcslat, dfi_tphy_wrcslat |
| DATA 4 DDRC_DFIMISC_1 0x00000005 // dfi_data_cs_polarity |
| DATA 4 DDRC_DFIUPD0_1 0x00400003 // Disable the automatic dfi_ctrlupd_req generation |
| DATA 4 DDRC_DFIUPD1_1 0x008000A0 // dfi_ctrlupd_req generation interval generation (min and max) |
| DATA 4 DDRC_DFIUPD2_1 0x80000000 // dfi_phyupd_en |
| DATA 4 DDRC_ADDRMAP0_1 0x00000015 // addrmap_cs_bit0 |
| DATA 4 DDRC_ADDRMAP4_1 0x00001F1F // addrmap_col_b10 and addrmap_col_b11 set to de-activated |
| DATA 4 DDRC_ADDRMAP1_1 0x00080808 // addrmap_bank_b2, addrmap_bank_b1, addrmap_bank_b0 |
| DATA 4 DDRC_ADDRMAP5_1 0x07070707 // addrmap_row_b11, addrmap_row_b10_b2, addrmap_row_b1, addrmap_row_b0 |
| DATA 4 DDRC_ADDRMAP6_1 0x48080707 // addrmap_row_b15, addrmap_row_b14, addrmap_row_b13, addrmap_row_b12 |
| DATA 4 DDRC_DBICTL_1 0x00000007 // rd_dbi_en=wr_dbi_en=dm_en=1 |
| DATA 4 DDRC_ODTMAP_1 0x00002211 // rank[3:0]_wr_odt, rank[3:0]_wr_odt |
| DATA 4 DDRC_PCTRL_0_1 0x00000001 // Enable port 0 |
| DATA 4 DDRC_DFITMG0_SHADOW_1 0x00808000 |
| DATA 4 DDRC_PWRCTL_0 0x10A // selfref_en clear when enabling HW Idle |
| DATA 4 DDRC_PWRCTL_1 0x10A // selfref_en clear when enabling HW Idle |
| DATA 4 DDRC_PWRTMG_0 0x00FF201F |
| DATA 4 DDRC_PWRTMG_1 0x00FF201F |
| DATA 4 DDRC_HWLPCTL_0 0x0FFF0003 |
| DATA 4 DDRC_HWLPCTL_1 0x0FFF0003 |
| DATA 4 DDRC_DFILPCFG0_0 0x07009100 |
| DATA 4 DDRC_DFILPCFG0_1 0x07009100 |
| |
| DATA 4 0x41a40208 0x1 |
| DATA 4 0x41d00208 0x1 |
| DATA 4 0x41a40040 0xf |
| DATA 4 0x41d00040 0xf |
| DATA 4 0x41a40204 0x1 |
| DATA 4 0x41d00204 0x1 |
| //------------------------------------------- |
| // Configure registers for PHY initialization |
| // Timings are computed for a PHY at 800MHz (DRAM at 1600MHz) |
| //-------------------------------=------------ |
| // Set-up DRAM Configuration Register |
| DATA 4 DDR_PHY_DCR_0 0x0000040D // LPDDR4 selection with 8 bank |
| // Set-up byte and bit swapping registers |
| DATA 4 DDR_PHY_PGCR8_0 0x000F0009 |
| DATA 4 DDR_PHY_DX0DQMAP0_0 0x00003465 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX0DQMAP1_0 0x00008271 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_DX1DQMAP0_0 0x00075632 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX1DQMAP1_0 0x00008104 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_DX2DQMAP0_0 0x00064732 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX2DQMAP1_0 0x00008015 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_DX3DQMAP0_0 0x00012574 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX3DQMAP1_0 0x00008360 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_CATR0_0 0x00141032 // Only for LPDDR3 but used here to know how LPDDR4 bytes are connected to PHY |
| DATA 4 DDR_PHY_CATR1_0 0x0013AAAA // Only for LPDDR3 but used here to know how LPDDR4 bytes are connected to PHY |
| // Set-up PHY General Configuration Register |
| // PGCR1,4,5,6,7 are untouched |
| SET_BIT 4 DDR_PHY_PGCR1_0 0x00020000 // DISDIC=1 (no uMCTL2 commands can go to memory) |
| DATA 4 DDR_PHY_PGCR0_0 0x87001E00 // Set ADCP=1 (Address Copy) |
| DATA 4 DDR_PHY_PGCR2_0 0x00F0D879 // Set tREFPRD (9*3.904us - 600) |
| DATA 4 DDR_PHY_PGCR3_0 0x050A1080 // CKEN/CKNEN toggling and polarity |
| // Set-up PHY Timing Register |
| // PTR2 is untouched |
| DATA 4 DDR_PHY_PTR0_0 0x64032010 // tPLLPD, tPLLGS, tPHYRST |
| DATA 4 DDR_PHY_PTR1_0 0x4E201C20 // tPLLLOCK = 20 us, tPLLRST=7.2us |
| // Set-up PLL Control Register |
| DATA 4 DDR_PHY_PLLCR0_0 0x001C0000 |
| DATA 4 DDR_PHY_DX8SLbPLLCR0_0 0x001C0000 |
| // Set-up Impedance Control Register |
| DATA 4 DDR_PHY_ZQCR_0 0x008A2C58 // Set ODT_MODE=0b10(LPDDR4 stype pullup) |
| // ZPROG_DRAM_ODT and ZPROG_HOST_ODT |
| DATA 4 DDR_PHY_ZQ0PR0_0 0x1B9BB |
| DATA 4 DDR_PHY_ZQ1PR0_0 0x1B9BB |
| // Set-up PHY Initialization Register |
| DATA 4 DDR_PHY_PIR_0 0x32 |
| // Launch initialization (set bit 0) |
| DATA 4 DDR_PHY_PIR_0 0x33 |
| //------------------------------------------- |
| // Configure registers for PHY initialization |
| // Timings are computed for a PHY at 800MHz (DRAM at 1600MHz) |
| //-------------------------------=------------ |
| // Set-up DRAM 1 PHY Configuration Register |
| DATA 4 DDR_PHY_DCR_1 0x0000040D // LPDDR4 selection with 8 bank |
| // Set-up byte and bit swapping registers |
| DATA 4 DDR_PHY_PGCR8_1 0x000F0009 |
| DATA 4 DDR_PHY_DX0DQMAP0_1 0x00003465 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX0DQMAP1_1 0x00008271 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_DX1DQMAP0_1 0x00075632 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX1DQMAP1_1 0x00008104 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_DX2DQMAP0_1 0x00064732 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX2DQMAP1_1 0x00008015 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_DX3DQMAP0_1 0x00012574 // DQ bit 0/1/2/3/4 remapping |
| DATA 4 DDR_PHY_DX3DQMAP1_1 0x00008360 // DQ bit 5/6/7 and DM remapping |
| DATA 4 DDR_PHY_CATR0_1 0x00141032 // Only for LPDDR3 but used here to know how LPDDR4 bytes are connected to PHY |
| DATA 4 DDR_PHY_CATR1_1 0x0013AAAA // Only for LPDDR3 but used here to know how LPDDR4 bytes are connected to PHY |
| // Set-up PHY General Configuration Register |
| // PGCR1,4,5,6,7 are untouched |
| SET_BIT 4 DDR_PHY_PGCR1_1 0x00020000 // DISDIC=1 (no uMCTL2 commands can go to memory) |
| DATA 4 DDR_PHY_PGCR0_1 0x87001E00 // Set ADCP=1 (Address Copy) |
| DATA 4 DDR_PHY_PGCR2_1 0x00F0D879 // Set tREFPRD (9*3.904us - 600) |
| DATA 4 DDR_PHY_PGCR3_1 0x050A1080 // CKEN/CKNEN toggling and polarity |
| // Set-up PHY Timing Register |
| // PTR2 is untouched |
| DATA 4 DDR_PHY_PTR0_1 0x64032010 // tPLLPD, tPLLGS, tPHYRST |
| DATA 4 DDR_PHY_PTR1_1 0x4E201C20 // tPLLLOCK = 20 us, tPLLRST=7.2us |
| // Set-up PLL Control Register |
| DATA 4 DDR_PHY_PLLCR0_1 0x001C0000 |
| DATA 4 DDR_PHY_DX8SLbPLLCR0_1 0x001C0000 |
| // Set-up Impedance Control Register |
| DATA 4 DDR_PHY_ZQCR_1 0x008A2C58 // Set ODT_MODE=0b10(LPDDR4 stype pullup) |
| // ZPROG_DRAM_ODT and ZPROG_HOST_ODT |
| DATA 4 DDR_PHY_ZQ0PR0_1 0x1B9BB |
| DATA 4 DDR_PHY_ZQ1PR0_1 0x1B9BB |
| // Set-up PHY Initialization Register |
| DATA 4 DDR_PHY_PIR_1 0x32 |
| // Launch initialization (set bit 0) |
| DATA 4 DDR_PHY_PIR_1 0x33 |
| //------------------------------------------- |
| // Configure registers for DRAM initialization |
| //------------------------------------------- |
| // Set-up Mode Register |
| // MR0, MR3, MR4, MR5 MR6 are untouched |
| DATA 4 DDR_PHY_MR1_0 0x54 // Set BL, WR-PRE, nWR, RPST |
| DATA 4 DDR_PHY_MR2_0 0x2D // Set RL=28/WL=14 |
| DATA 4 DDR_PHY_MR3_0 0xF1 // Set drive strength (40 Ohms by default) |
| |
| DATA 4 DDR_PHY_MR11_0 0x04 // Set DQ ODT=RZQ/4; eventually need to set CA ODT when all boards have LP4 pull up on ODT_CA |
| DATA 4 DDR_PHY_MR22_0 0x15 // Set ODTE-CS=1 (overrides ODT_CA for CS1 as CS not shared between ranks) |
| /* LPDDR4 mode register writes for CA and DQ VREF settings; range=1, 27.2% */ |
| DATA 4 DDR_PHY_MR12_0 0x48 |
| DATA 4 DDR_PHY_MR14_0 0x48 |
| // Set-up DRAM Timing Parameters Register |
| // DTPR6 is untouched |
| DATA 4 DDR_PHY_DTPR0_0 0x1044220C // tRRD, tRAS, tRP, tRTP |
| DATA 4 DDR_PHY_DTPR1_0 0x28400417 // tWLMRD, tFAW, tODTUP, tMRD |
| DATA 4 DDR_PHY_DTPR2_0 0x006CA1CC // tRTW, tRTODT, tCMDCKE, tCKE, tVRCG, tXS |
| DATA 4 DDR_PHY_DTPR3_0 0x01800602 // tODX, tCCD, tDLLK, tDQSCKmax, tDQSCK (FIXME double check tDLLK) |
| DATA 4 DDR_PHY_DTPR4_0 0x01C02B0F // tRFC, tWLO, tXP |
| DATA 4 DDR_PHY_DTPR5_0 0x21651D11 // tRC, tRCD, tWTR |
| // Set-up PHY Timing Register |
| DATA 4 DDR_PHY_PTR3_0 0x0030D400 // tDINIT0 (2ms) |
| DATA 4 DDR_PHY_PTR4_0 0x00000C80 // tDINIT1 (2us) |
| DATA 4 DDR_PHY_PTR5_0 0x0004E200 // tDINIT2 (200us) |
| DATA 4 DDR_PHY_PTR6_0 0x03300640 // tDINIT4 (30ns), tDINIT3 (1us) |
| // Set-up ODT Configuration Register |
| // DDR ODT_CA signal is tied at boundary of DDR. Thus no need to drive it dynamically. |
| DATA 4 DDR_PHY_RANKIDR_0 0x00000001 // Select rank 1 to write |
| DATA 4 DDR_PHY_ODTCR_0 0x00000000 // ODT of rank1 disabled |
| DATA 4 DDR_PHY_RANKIDR_0 0x00000000 // Select rank 0 to write |
| DATA 4 DDR_PHY_ODTCR_0 0x00000000 // ODT of rank0 disabled |
| // Set-up AC I/O Configuration Register |
| // ACIOCR1-4 are untouched |
| DATA 4 DDR_PHY_ACIOCR0_0 0x30070800 // PNUM2 (i.e.LPDDR4) selection [10:11] = 0x2 |
| DATA 4 DDR_PHY_ACIOCR5_0 0x09000000 // I/O mode = LPDDR4 |
| // Due to address copy set A[13] (=cke_B[0]) and A[15] (=cke_B[1]) outputs as always ON. |
| DATA 4 DDR_PHY_ACIOCR1_0 0x44000000 |
| // Set-up VREF Training Control Registers |
| DATA 4 DDR_PHY_VTCR0_0 0xF0032008 // CK1, CK0, DRAM VREF set to same as MR12 |
| DATA 4 DDR_PHY_VTCR1_0 0x07F001B3 // HVIO=1, SHREN=1, SHRNK=0 |
| // Set-up DATX8 General Configuration Registers |
| // DXnGCR0-4 are untouched |
| SET_BIT 4 DDR_PHY_PGCR5_0 0x4 |
| DATA 4 DDR_PHY_PGCR6_0 0x00033200 // Enable CSN Bit Delay VT Compensation (AC already enabled by default) + drift limit |
| // Set-up DATX8 General Configuration Registers |
| DATA 4 DDR_PHY_DX0GCR5_0 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX1GCR5_0 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX2GCR5_0 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX3GCR5_0 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX0GCR4_0 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| DATA 4 DDR_PHY_DX1GCR4_0 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| DATA 4 DDR_PHY_DX2GCR4_0 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| DATA 4 DDR_PHY_DX3GCR4_0 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| // Set-up DATX8 DX Control Register 2 |
| // PREOEX=2.5tCK (0.5 more than MR1), POSOEX=1tCK (0.5 more than in MR3), LPWAKEUP_THRSH=0xA |
| DATA 4 DDR_PHY_DX8SLbDXCTL2_0 0x001C1400 |
| DATA 4 DDR_PHY_PGCR4_0 0x001900A1 |
| // Set-up DATX8 IO Control Register |
| DATA 4 DDR_PHY_DX8SLbIOCR_0 0x79000000 // I/O mode = LPDDR4 |
| //------------------------------------------- |
| // Configure registers for DRAM initialization |
| //------------------------------------------- |
| // Set-up Mode Register |
| // MR0, MR3, MR4, MR5 MR6 are untouched |
| DATA 4 DDR_PHY_MR1_1 0x54 // Set BL, WR-PRE, nWR, RPST |
| DATA 4 DDR_PHY_MR2_1 0x2D // Set RL=28/WL=14 |
| DATA 4 DDR_PHY_MR3_1 0xF1 // Set drive strength (40 Ohms by default) |
| |
| DATA 4 DDR_PHY_MR11_1 0x04 // Set DQ ODT=RZQ/4; eventually need to set CA ODT when all boards have LP4 pull up on ODT_CA |
| DATA 4 DDR_PHY_MR22_1 0x15 // Set ODTE-CS=1 (overrides ODT_CA for CS1 as CS not shared between ranks) |
| /* LPDDR4 mode register writes for CA and DQ VREF settings; range=1, 27.2% */ |
| DATA 4 DDR_PHY_MR12_1 0x48 |
| DATA 4 DDR_PHY_MR14_1 0x48 |
| // Set-up DRAM Timing Parameters Register |
| // DTPR6 is untouched |
| DATA 4 DDR_PHY_DTPR0_1 0x1044220C // tRRD, tRAS, tRP, tRTP |
| DATA 4 DDR_PHY_DTPR1_1 0x28400417 // tWLMRD, tFAW, tODTUP, tMRD |
| DATA 4 DDR_PHY_DTPR2_1 0x006CA1CC // tRTW, tRTODT, tCMDCKE, tCKE, tVRCG, tXS |
| DATA 4 DDR_PHY_DTPR3_1 0x01800602 // tODX, tCCD, tDLLK, tDQSCKmax, tDQSCK (FIXME double check tDLLK) |
| DATA 4 DDR_PHY_DTPR4_1 0x01C02B0F // tRFC, tWLO, tXP |
| DATA 4 DDR_PHY_DTPR5_1 0x21651D11 // tRC, tRCD, tWTR |
| // Set-up PHY Timing Register |
| DATA 4 DDR_PHY_PTR3_1 0x0030D400 // tDINIT0 (2ms) |
| DATA 4 DDR_PHY_PTR4_1 0x00000C80 // tDINIT1 (2us) |
| DATA 4 DDR_PHY_PTR5_1 0x0004E200 // tDINIT2 (200us) |
| DATA 4 DDR_PHY_PTR6_1 0x03300640 // tDINIT4 (30ns), tDINIT3 (1us) |
| // Set-up ODT Configuration Register |
| // DDR ODT_CA signal is tied at boundary of DDR. Thus no need to drive it dynamically. |
| DATA 4 DDR_PHY_RANKIDR_1 0x00000001 // Select rank 1 to write |
| DATA 4 DDR_PHY_ODTCR_1 0x00000000 // ODT of rank1 disabled |
| DATA 4 DDR_PHY_RANKIDR_1 0x00000000 // Select rank 0 to write |
| DATA 4 DDR_PHY_ODTCR_1 0x00000000 // ODT of rank0 disabled |
| // Set-up AC I/O Configuration Register |
| // ACIOCR1-4 are untouched |
| DATA 4 DDR_PHY_ACIOCR0_1 0x30070800 // PNUM2 (i.e.LPDDR4) selection [10:11] = 0x2 |
| DATA 4 DDR_PHY_ACIOCR5_1 0x09000000 // I/O mode = LPDDR4 |
| // Due to address copy set A[13] (=cke_B[0]) and A[15] (=cke_B[1]) outputs as always ON. |
| DATA 4 DDR_PHY_ACIOCR1_1 0x44000000 |
| // Set-up VREF Training Control Registers |
| DATA 4 DDR_PHY_VTCR0_1 0xF0032008 // CK1, CK0, DRAM VREF set to same as MR12 |
| DATA 4 DDR_PHY_VTCR1_1 0x07F001B3 // HVIO=1, SHREN=1, SHRNK=0 |
| // Set-up DATX8 General Configuration Registers |
| // DXnGCR0-4 are untouched |
| SET_BIT 4 DDR_PHY_PGCR5_1 0x4 |
| DATA 4 DDR_PHY_PGCR6_1 0x00033200 // Enable CSN Bit Delay VT Compensation (AC already enabled by default) + drift limit |
| // Set-up DATX8 General Configuration Registers |
| DATA 4 DDR_PHY_DX0GCR5_1 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX1GCR5_1 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX2GCR5_1 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX3GCR5_1 0x09092020 // Set DXREFISELR0 and DXREFISELR1 to 0x30, maintain other defaults |
| DATA 4 DDR_PHY_DX0GCR4_1 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| DATA 4 DDR_PHY_DX1GCR4_1 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| DATA 4 DDR_PHY_DX2GCR4_1 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| DATA 4 DDR_PHY_DX3GCR4_1 0x0E00BF3C // Set DXREFSSEL,DXREFSSELRANGE,DXREFSEN,DXREFIEN, maintain other defaults |
| // Set-up DATX8 DX Control Register 2 |
| // PREOEX=2.5tCK (0.5 more than MR1), POSOEX=1tCK (0.5 more than in MR3), LPWAKEUP_THRSH=0xA |
| DATA 4 DDR_PHY_DX8SLbDXCTL2_1 0x001C1400 |
| DATA 4 DDR_PHY_PGCR4_1 0x001900A1 |
| // Set-up DATX8 IO Control Register |
| DATA 4 DDR_PHY_DX8SLbIOCR_1 0x79000000 // I/O mode = LPDDR4 |
| |
| #if DDR_TRAIN_IN_DCD |
| // Wait PHY initialization end then launch DRAM initialization |
| // Wait for bit 0 of PGSR0 to be '1' |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| // Wait for bit 0 of PGSR0 to be '1' |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| |
| // Launch DRAM 0 initialization (set bit 0) |
| DATA 4 DDR_PHY_PIR_0 0x180 |
| DATA 4 DDR_PHY_PIR_0 0x181 |
| // Launch DRAM 1 initialization (set bit 0) |
| DATA 4 DDR_PHY_PIR_1 0x180 |
| DATA 4 DDR_PHY_PIR_1 0x181 |
| |
| // DRAM 0 initialization end |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| // DRAM 1 initialization end |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| |
| // Launch a second time DRAM initialization due to following Synopsys PHY bug: |
| // Title: "PUB does not program LPDDR4 DRAM MR22 prior to running DRAM ZQ calibration" |
| // Workaround: "Run DRAM Initialization twice" |
| DATA 4 DDR_PHY_PIR_0 0x100 |
| DATA 4 DDR_PHY_PIR_0 0x101 |
| DATA 4 DDR_PHY_PIR_1 0x100 |
| DATA 4 DDR_PHY_PIR_1 0x101 |
| |
| // Wait (second time) DRAM 0 initialization end |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| // Wait (second time) DRAM 1 initialization end |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| |
| //---------------------------------------------------------------// |
| // DATA training |
| //---------------------------------------------------------------// |
| // configure PHY for data training |
| // The following register writes are recommended by SNPS prior to running training |
| CLR_BIT 4 DDR_PHY_DQSDR0_0 0x00000001 // Disable drift |
| SET_BIT 4 DDR_PHY_PGCR6_0 0x00000001 // Disable VT compensation |
| CHECK_BITS_SET 4 DDR_PHY_PGSR1_0 0x40000000 // Disable VT compensation |
| SET_BIT 4 DDR_PHY_PGCR1_0 0x00020040 // DISDIC=1; PUBMODE=1 |
| // Per SNPS initialize BIST registers for VREF training |
| DATA 4 DDR_PHY_BISTAR1_0 0x00010100 //BMRANK=1 (maximum rank minus 1); BIST Address Increment: 0x10 (16) |
| DATA 4 DDR_PHY_BISTAR2_0 0x700003FF // BMBANK=8; BMCOL=0x400 (limit to min cols in JEDEC) |
| DATA 4 DDR_PHY_BISTAR4_0 0x00003FFF // BMROW=0x4000 (limit to min rows in JEDEC) |
| |
| CLR_BIT 4 DDR_PHY_DQSDR0_1 0x00000001 // Disable drift |
| SET_BIT 4 DDR_PHY_PGCR6_1 0x00000001 // Disable VT compensation |
| CHECK_BITS_SET 4 DDR_PHY_PGSR1_1 0x40000000 // Disable VT compensation |
| SET_BIT 4 DDR_PHY_PGCR1_1 0x00020040 // DISDIC=1; PUBMODE=1 |
| // Per SNPS initialize BIST registers for VREF training |
| DATA 4 DDR_PHY_BISTAR1_1 0x00010100 //BMRANK=1 (maximum rank minus 1); BIST Address Increment: 0x10 (16) |
| DATA 4 DDR_PHY_BISTAR2_1 0x700003FF // BMBANK=8; BMCOL=0x400 (limit to min cols in JEDEC) |
| DATA 4 DDR_PHY_BISTAR4_1 0x00003FFF // BMROW=0x4000 (limit to min rows in JEDEC) |
| |
| // Set-up Data Training Configuration Register |
| // Note that DTCR0.RFSHDT are set to 0x0 as a workaround for PHY bug (Synopsys |
| // case 9001045655: Design limitation in LPDDR4 mode: REFRESH must be disabled during DQS2DQ training). |
| // (FYI avoiding refresh during training leads to Denali error (CUMULATIVE_REFRESH_POSTPONE_EXCEEDS_MAX_ALLOWED). |
| DATA 4 DDR_PHY_DTCR0_0 0x000071C7 // Set DTRPTN to 0x7. RFSHDT=0 |
| DATA 4 DDR_PHY_DTCR1_0 0x00030236 // Set RANKEN=3 |
| DATA 4 DDR_PHY_DTCR0_1 0x000071C7 // Set DTRPTN to 0x7. RFSHDT=0 |
| DATA 4 DDR_PHY_DTCR1_1 0x00030236 // Set RANKEN=3 |
| |
| // Launch Write leveling |
| DATA 4 DDR_PHY_PIR_0 0x200 |
| DATA 4 DDR_PHY_PIR_0 0x201 |
| DATA 4 DDR_PHY_PIR_1 0x200 |
| DATA 4 DDR_PHY_PIR_1 0x201 |
| // Wait Write leveling to complete |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| CHECK_BITS_CLR 4 DDR_PHY_PGSR0_0 0x00200000 |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| CHECK_BITS_CLR 4 DDR_PHY_PGSR0_1 0x00200000 |
| |
| // Set DQS/DQSn glitch suppression resistor for training PHY0 |
| DATA 4 DDR_PHY_DX8SLbDQSCTL_0 0x012240F7 |
| // Launch Read DQS training |
| DATA 4 DDR_PHY_PIR_0 0x400 |
| DATA 4 DDR_PHY_PIR_0 0x401 |
| // Set DQS/DQSn glitch suppression resistor for training PHY1 |
| DATA 4 DDR_PHY_DX8SLbDQSCTL_1 0x012240F7 |
| // Launch Read DQS training |
| DATA 4 DDR_PHY_PIR_1 0x400 |
| DATA 4 DDR_PHY_PIR_1 0x401 |
| // Wait Read DQS training to complete PHY0 |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| CHECK_BITS_CLR 4 DDR_PHY_PGSR0_0 0x00400000 |
| // Remove DQS/DQSn glitch suppression resistor PHY0 |
| DATA 4 DDR_PHY_DX8SLbDQSCTL_0 0x01224000 |
| // Wait Read DQS training to complete PHY1 |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| CHECK_BITS_CLR 4 DDR_PHY_PGSR0_1 0x00400000 |
| // Remove DQS/DQSn glitch suppression resistor PHY1 |
| DATA 4 DDR_PHY_DX8SLbDQSCTL_1 0x01224000 |
| |
| // DQS2DQ training, Write leveling, Deskew and eye trainings |
| DATA 4 DDR_PHY_PIR_0 0x0010F800 |
| DATA 4 DDR_PHY_PIR_0 0x0010F801 |
| DATA 4 DDR_PHY_PIR_1 0x0010F800 |
| DATA 4 DDR_PHY_PIR_1 0x0010F801 |
| // Wait for training to complete |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| |
| // Launch VREF training |
| DATA 4 DDR_PHY_PIR_0 0x00020000 |
| DATA 4 DDR_PHY_PIR_0 0x00020001 |
| DATA 4 DDR_PHY_PIR_1 0x00020000 |
| DATA 4 DDR_PHY_PIR_1 0x00020001 |
| // Wait for training to complete |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_0 0x1 |
| CHECK_BITS_SET 4 DDR_PHY_PGSR0_1 0x1 |
| |
| //Re-allow uMCTL2 to send commands to DDR |
| CLR_BIT 4 DDR_PHY_PGCR1_0 0x00020040 // DISDIC=0, PUBMODE=0 |
| CLR_BIT 4 DDR_PHY_PGCR1_1 0x00020040 // DISDIC=0, PUBMODE=0 |
| |
| //DQS Drift Registers PHY0 |
| CLR_BIT 4 DDR_PHY_DX0GCR3_0 0x08000000 |
| CLR_BIT 4 DDR_PHY_DX1GCR3_0 0x08000000 |
| CLR_BIT 4 DDR_PHY_DX2GCR3_0 0x08000000 |
| CLR_BIT 4 DDR_PHY_DX3GCR3_0 0x08000000 |
| // Enable DQS drift detection PHY0 |
| DATA 4 DDR_PHY_DQSDR0_0 0x20188004 |
| DATA 4 DDR_PHY_DQSDR1_0 0xA8AA0000 |
| DATA 4 DDR_PHY_DQSDR2_0 0x00070200 |
| //DQS Drift Registers PHY1 |
| CLR_BIT 4 DDR_PHY_DX0GCR3_1 0x08000000 |
| CLR_BIT 4 DDR_PHY_DX1GCR3_1 0x08000000 |
| CLR_BIT 4 DDR_PHY_DX2GCR3_1 0x08000000 |
| CLR_BIT 4 DDR_PHY_DX3GCR3_1 0x08000000 |
| // Enable DQS drift detection PHY1 |
| DATA 4 DDR_PHY_DQSDR0_1 0x20188004 |
| DATA 4 DDR_PHY_DQSDR1_1 0xA8AA0000 |
| DATA 4 DDR_PHY_DQSDR2_1 0x00070200 |
| |
| // Enable VT compensation |
| CLR_BIT 4 DDR_PHY_PGCR6_0 0x1 |
| CLR_BIT 4 DDR_PHY_PGCR6_1 0x1 |
| |
| //Check that controller is ready to operate |
| CHECK_BITS_SET 4 DDRC_STAT_0 0x1 |
| CHECK_BITS_SET 4 DDRC_STAT_1 0x1 |
| |
| #endif |
