diff options
| -rw-r--r-- | arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi | 4 | ||||
| -rwxr-xr-x | arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/include/mach/sdram_gen5.h | 46 | ||||
| -rwxr-xr-x | arch/arm/mach-socfpga/qts-filter.sh | 2 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/spl_gen5.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/wrap_sdram_config.c | 64 | ||||
| -rw-r--r-- | configs/socfpga_stratix10_defconfig | 2 | ||||
| -rw-r--r-- | configs/socfpga_vining_fpga_defconfig | 3 | ||||
| -rw-r--r-- | drivers/ddr/altera/sdram_gen5.c | 6 | ||||
| -rw-r--r-- | drivers/ddr/altera/sequencer.c | 194 | ||||
| -rw-r--r-- | drivers/ddr/altera/sequencer.h | 1 | ||||
| -rw-r--r-- | drivers/reset/reset-socfpga.c | 6 | ||||
| -rw-r--r-- | drivers/watchdog/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/watchdog/designware_wdt.c | 150 | ||||
| -rw-r--r-- | include/configs/socfpga_common.h | 3 | ||||
| -rw-r--r-- | include/configs/socfpga_soc64_common.h | 8 | ||||
| -rw-r--r-- | scripts/config_whitelist.txt | 1 |
17 files changed, 398 insertions, 108 deletions
diff --git a/arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi b/arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi index 44bedd8..2e4468e 100644 --- a/arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi +++ b/arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi @@ -56,3 +56,7 @@ &portc { bank-name = "portc"; }; + +&watchdog0 { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi index 38855ae..a903040 100755 --- a/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi +++ b/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi @@ -31,3 +31,7 @@ &sysmgr { u-boot,dm-pre-reloc; }; + +&watchdog0 { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/mach-socfpga/include/mach/sdram_gen5.h b/arch/arm/mach-socfpga/include/mach/sdram_gen5.h index c412085..8818a6b 100644 --- a/arch/arm/mach-socfpga/include/mach/sdram_gen5.h +++ b/arch/arm/mach-socfpga/include/mach/sdram_gen5.h @@ -146,24 +146,51 @@ struct socfpga_sdram_rw_mgr_config { u8 lfsr_wr_rd_dm_bank_0_nop; u8 lfsr_wr_rd_dm_bank_0_wait; u8 lfsr_wr_rd_dm_bank_0_wl_1; - u8 mrs0_dll_reset; - u8 mrs0_dll_reset_mirr; - u8 mrs0_user; - u8 mrs0_user_mirr; - u8 mrs1; + union { + u8 mrs0_dll_reset; + u8 mr_dll_reset; + }; + union { + u8 mrs0_dll_reset_mirr; + u8 emr_ocd_enable; + }; + union { + u8 mrs0_user; + u8 mr_user; + }; + union { + u8 mrs0_user_mirr; + u8 mr_calib; + }; + union { + u8 mrs1; + u8 emr; + }; + union { + u8 mrs2; + u8 emr2; + }; + union { + u8 mrs3; + u8 emr3; + }; u8 mrs1_mirr; - u8 mrs2; u8 mrs2_mirr; - u8 mrs3; u8 mrs3_mirr; u8 precharge_all; u8 read_b2b; u8 read_b2b_wait1; u8 read_b2b_wait2; - u8 refresh_all; + union { + u8 refresh; + u8 refresh_all; + }; u8 rreturn; u8 sgle_read; - u8 zqcl; + union { + u8 zqcl; + u8 nop; + }; u8 true_mem_data_mask_width; u8 mem_address_mirroring; @@ -199,6 +226,7 @@ struct socfpga_sdram_io_config { struct socfpga_sdram_misc_config { u32 reg_file_init_seq_signature; + u16 afi_clk_freq; u8 afi_rate_ratio; u8 calib_lfifo_offset; u8 calib_vfifo_offset; diff --git a/arch/arm/mach-socfpga/qts-filter.sh b/arch/arm/mach-socfpga/qts-filter.sh index 3a442bc..a49cd1b 100755 --- a/arch/arm/mach-socfpga/qts-filter.sh +++ b/arch/arm/mach-socfpga/qts-filter.sh @@ -128,7 +128,7 @@ EOF # Filter out only the macros which are actually used by the code # grep_sdram_config() { - egrep "#define (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMBL|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCEN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCCORREN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_REORDEREN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_STARVELIMIT|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_DQSTRKEN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_NODMPINS|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCWL|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_AL|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCL|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRRD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TFAW|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRFC|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TREFI|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRCD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRP|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWR|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWTR|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRAS|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRC|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TMRD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TCCD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_SELFRFSHEXIT|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_PWRDOWNEXIT|CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_AUTOPDCYCLES|CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_CLKDISABLECYCLES|CONFIG_HPS_SDR_CTRLCFG_DRAMODT_READ|CONFIG_HPS_SDR_CTRLCFG_DRAMODT_WRITE|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMIFWIDTH_IFWIDTH|CONFIG_HPS_SDR_CTRLCFG_DRAMDEVWIDTH_DEVWIDTH|CONFIG_HPS_SDR_CTRLCFG_DRAMINTR_INTREN|CONFIG_HPS_SDR_CTRLCFG_LOWPWREQ_SELFRFSHMASK|CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL|CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA|CONFIG_HPS_SDR_CTRLCFG_CTRLWIDTH_CTRLWIDTH|CONFIG_HPS_SDR_CTRLCFG_CPORTWIDTH_CPORTWIDTH|CONFIG_HPS_SDR_CTRLCFG_CPORTWMAP_CPORTWMAP|CONFIG_HPS_SDR_CTRLCFG_CPORTRMAP_CPORTRMAP|CONFIG_HPS_SDR_CTRLCFG_RFIFOCMAP_RFIFOCMAP|CONFIG_HPS_SDR_CTRLCFG_WFIFOCMAP_WFIFOCMAP|CONFIG_HPS_SDR_CTRLCFG_CPORTRDWR_CPORTRDWR|CONFIG_HPS_SDR_CTRLCFG_PORTCFG_AUTOPCHEN|CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST|CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_SYNCMODE|CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_INCSYNC|CONFIG_HPS_SDR_CTRLCFG_MPPRIORITY_USERPRIORITY|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46|CONFIG_HPS_SDR_CTRLCFG_PHYCTRL_PHYCTRL_0|CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0|CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32|CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0|CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4|CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36|CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0|CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32|CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64|RW_MGR_ACTIVATE_0_AND_1|RW_MGR_ACTIVATE_0_AND_1_WAIT1|RW_MGR_ACTIVATE_0_AND_1_WAIT2|RW_MGR_ACTIVATE_1|RW_MGR_CLEAR_DQS_ENABLE|RW_MGR_GUARANTEED_READ|RW_MGR_GUARANTEED_READ_CONT|RW_MGR_GUARANTEED_WRITE|RW_MGR_GUARANTEED_WRITE_WAIT0|RW_MGR_GUARANTEED_WRITE_WAIT1|RW_MGR_GUARANTEED_WRITE_WAIT2|RW_MGR_GUARANTEED_WRITE_WAIT3|RW_MGR_IDLE|RW_MGR_IDLE_LOOP1|RW_MGR_IDLE_LOOP2|RW_MGR_INIT_RESET_0_CKE_0|RW_MGR_INIT_RESET_1_CKE_0|RW_MGR_LFSR_WR_RD_BANK_0|RW_MGR_LFSR_WR_RD_BANK_0_DATA|RW_MGR_LFSR_WR_RD_BANK_0_DQS|RW_MGR_LFSR_WR_RD_BANK_0_NOP|RW_MGR_LFSR_WR_RD_BANK_0_WAIT|RW_MGR_LFSR_WR_RD_BANK_0_WL_1|RW_MGR_LFSR_WR_RD_DM_BANK_0|RW_MGR_LFSR_WR_RD_DM_BANK_0_DATA|RW_MGR_LFSR_WR_RD_DM_BANK_0_DQS|RW_MGR_LFSR_WR_RD_DM_BANK_0_NOP|RW_MGR_LFSR_WR_RD_DM_BANK_0_WAIT|RW_MGR_LFSR_WR_RD_DM_BANK_0_WL_1|RW_MGR_MRS0_DLL_RESET|RW_MGR_MRS0_DLL_RESET_MIRR|RW_MGR_MRS0_USER|RW_MGR_MRS0_USER_MIRR|RW_MGR_MRS1|RW_MGR_MRS1_MIRR|RW_MGR_MRS2|RW_MGR_MRS2_MIRR|RW_MGR_MRS3|RW_MGR_MRS3_MIRR|RW_MGR_PRECHARGE_ALL|RW_MGR_READ_B2B|RW_MGR_READ_B2B_WAIT1|RW_MGR_READ_B2B_WAIT2|RW_MGR_REFRESH_ALL|RW_MGR_RETURN|RW_MGR_SGLE_READ|RW_MGR_ZQCL|RW_MGR_TRUE_MEM_DATA_MASK_WIDTH|RW_MGR_MEM_ADDRESS_MIRRORING|RW_MGR_MEM_DATA_MASK_WIDTH|RW_MGR_MEM_DATA_WIDTH|RW_MGR_MEM_DQ_PER_READ_DQS|RW_MGR_MEM_DQ_PER_WRITE_DQS|RW_MGR_MEM_IF_READ_DQS_WIDTH|RW_MGR_MEM_IF_WRITE_DQS_WIDTH|RW_MGR_MEM_NUMBER_OF_CS_PER_DIMM|RW_MGR_MEM_NUMBER_OF_RANKS|RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS|RW_MGR_MEM_VIRTUAL_GROUPS_PER_WRITE_DQS|IO_DELAY_PER_DCHAIN_TAP|IO_DELAY_PER_DQS_EN_DCHAIN_TAP|IO_DELAY_PER_OPA_TAP|IO_DLL_CHAIN_LENGTH|IO_DQDQS_OUT_PHASE_MAX|IO_DQS_EN_DELAY_MAX|IO_DQS_EN_DELAY_OFFSET|IO_DQS_EN_PHASE_MAX|IO_DQS_IN_DELAY_MAX|IO_DQS_IN_RESERVE|IO_DQS_OUT_RESERVE|IO_IO_IN_DELAY_MAX|IO_IO_OUT1_DELAY_MAX|IO_IO_OUT2_DELAY_MAX|IO_SHIFT_DQS_EN_WHEN_SHIFT_DQS|AFI_RATE_RATIO|CALIB_LFIFO_OFFSET|CALIB_VFIFO_OFFSET|ENABLE_SUPER_QUICK_CALIBRATION|MAX_LATENCY_COUNT_WIDTH|READ_VALID_FIFO_SIZE|REG_FILE_INIT_SEQ_SIGNATURE|TINIT_CNTR0_VAL|TINIT_CNTR1_VAL|TINIT_CNTR2_VAL|TRESET_CNTR0_VAL|TRESET_CNTR1_VAL|TRESET_CNTR2_VAL|CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR|CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_BC|CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_DIFF_CHIP)[[:space:]]" + egrep "#define (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMBL|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCEN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCCORREN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_REORDEREN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_STARVELIMIT|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_DQSTRKEN|CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_NODMPINS|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCWL|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_AL|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCL|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRRD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TFAW|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRFC|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TREFI|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRCD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRP|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWR|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWTR|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRAS|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRC|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TMRD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TCCD|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_SELFRFSHEXIT|CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_PWRDOWNEXIT|CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_AUTOPDCYCLES|CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_CLKDISABLECYCLES|CONFIG_HPS_SDR_CTRLCFG_DRAMODT_READ|CONFIG_HPS_SDR_CTRLCFG_DRAMODT_WRITE|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS|CONFIG_HPS_SDR_CTRLCFG_DRAMIFWIDTH_IFWIDTH|CONFIG_HPS_SDR_CTRLCFG_DRAMDEVWIDTH_DEVWIDTH|CONFIG_HPS_SDR_CTRLCFG_DRAMINTR_INTREN|CONFIG_HPS_SDR_CTRLCFG_LOWPWREQ_SELFRFSHMASK|CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL|CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA|CONFIG_HPS_SDR_CTRLCFG_CTRLWIDTH_CTRLWIDTH|CONFIG_HPS_SDR_CTRLCFG_CPORTWIDTH_CPORTWIDTH|CONFIG_HPS_SDR_CTRLCFG_CPORTWMAP_CPORTWMAP|CONFIG_HPS_SDR_CTRLCFG_CPORTRMAP_CPORTRMAP|CONFIG_HPS_SDR_CTRLCFG_RFIFOCMAP_RFIFOCMAP|CONFIG_HPS_SDR_CTRLCFG_WFIFOCMAP_WFIFOCMAP|CONFIG_HPS_SDR_CTRLCFG_CPORTRDWR_CPORTRDWR|CONFIG_HPS_SDR_CTRLCFG_PORTCFG_AUTOPCHEN|CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST|CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_SYNCMODE|CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_INCSYNC|CONFIG_HPS_SDR_CTRLCFG_MPPRIORITY_USERPRIORITY|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14|CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46|CONFIG_HPS_SDR_CTRLCFG_PHYCTRL_PHYCTRL_0|CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0|CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32|CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0|CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4|CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36|CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0|CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32|CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64|RW_MGR_ACTIVATE_0_AND_1|RW_MGR_ACTIVATE_0_AND_1_WAIT1|RW_MGR_ACTIVATE_0_AND_1_WAIT2|RW_MGR_ACTIVATE_1|RW_MGR_CLEAR_DQS_ENABLE|RW_MGR_EMR_OCD_ENABLE|RW_MGR_EMR|RW_MGR_EMR2|RW_MGR_EMR3|RW_MGR_GUARANTEED_READ|RW_MGR_GUARANTEED_READ_CONT|RW_MGR_GUARANTEED_WRITE|RW_MGR_GUARANTEED_WRITE_WAIT0|RW_MGR_GUARANTEED_WRITE_WAIT1|RW_MGR_GUARANTEED_WRITE_WAIT2|RW_MGR_GUARANTEED_WRITE_WAIT3|RW_MGR_IDLE|RW_MGR_IDLE_LOOP1|RW_MGR_IDLE_LOOP2|RW_MGR_INIT_RESET_0_CKE_0|RW_MGR_INIT_RESET_1_CKE_0|RW_MGR_INIT_CKE_0|RW_MGR_LFSR_WR_RD_BANK_0|RW_MGR_LFSR_WR_RD_BANK_0_DATA|RW_MGR_LFSR_WR_RD_BANK_0_DQS|RW_MGR_LFSR_WR_RD_BANK_0_NOP|RW_MGR_LFSR_WR_RD_BANK_0_WAIT|RW_MGR_LFSR_WR_RD_BANK_0_WL_1|RW_MGR_LFSR_WR_RD_DM_BANK_0|RW_MGR_LFSR_WR_RD_DM_BANK_0_DATA|RW_MGR_LFSR_WR_RD_DM_BANK_0_DQS|RW_MGR_LFSR_WR_RD_DM_BANK_0_NOP|RW_MGR_LFSR_WR_RD_DM_BANK_0_WAIT|RW_MGR_LFSR_WR_RD_DM_BANK_0_WL_1|RW_MGR_MR_CALIB|RW_MGR_MR_USER|RW_MGR_MR_DLL_RESET|RW_MGR_MRS0_DLL_RESET|RW_MGR_MRS0_DLL_RESET_MIRR|RW_MGR_MRS0_USER|RW_MGR_MRS0_USER_MIRR|RW_MGR_MRS1|RW_MGR_MRS1_MIRR|RW_MGR_MRS2|RW_MGR_MRS2_MIRR|RW_MGR_MRS3|RW_MGR_MRS3_MIRR|RW_MGR_NOP|RW_MGR_PRECHARGE_ALL|RW_MGR_READ_B2B|RW_MGR_READ_B2B_WAIT1|RW_MGR_READ_B2B_WAIT2|RW_MGR_REFRESH|RW_MGR_REFRESH_ALL|RW_MGR_RETURN|RW_MGR_SGLE_READ|RW_MGR_ZQCL|RW_MGR_TRUE_MEM_DATA_MASK_WIDTH|RW_MGR_MEM_ADDRESS_MIRRORING|RW_MGR_MEM_DATA_MASK_WIDTH|RW_MGR_MEM_DATA_WIDTH|RW_MGR_MEM_DQ_PER_READ_DQS|RW_MGR_MEM_DQ_PER_WRITE_DQS|RW_MGR_MEM_IF_READ_DQS_WIDTH|RW_MGR_MEM_IF_WRITE_DQS_WIDTH|RW_MGR_MEM_NUMBER_OF_CS_PER_DIMM|RW_MGR_MEM_NUMBER_OF_RANKS|RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS|RW_MGR_MEM_VIRTUAL_GROUPS_PER_WRITE_DQS|IO_DELAY_PER_DCHAIN_TAP|IO_DELAY_PER_DQS_EN_DCHAIN_TAP|IO_DELAY_PER_OPA_TAP|IO_DLL_CHAIN_LENGTH|IO_DQDQS_OUT_PHASE_MAX|IO_DQS_EN_DELAY_MAX|IO_DQS_EN_DELAY_OFFSET|IO_DQS_EN_PHASE_MAX|IO_DQS_IN_DELAY_MAX|IO_DQS_IN_RESERVE|IO_DQS_OUT_RESERVE|IO_IO_IN_DELAY_MAX|IO_IO_OUT1_DELAY_MAX|IO_IO_OUT2_DELAY_MAX|IO_SHIFT_DQS_EN_WHEN_SHIFT_DQS|AFI_RATE_RATIO|AFI_CLK_FREQ|CALIB_LFIFO_OFFSET|CALIB_VFIFO_OFFSET|ENABLE_SUPER_QUICK_CALIBRATION|MAX_LATENCY_COUNT_WIDTH|READ_VALID_FIFO_SIZE|REG_FILE_INIT_SEQ_SIGNATURE|TINIT_CNTR0_VAL|TINIT_CNTR1_VAL|TINIT_CNTR2_VAL|TRESET_CNTR0_VAL|TRESET_CNTR1_VAL|TRESET_CNTR2_VAL|CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR|CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_BC|CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_DIFF_CHIP)[[:space:]]" } # diff --git a/arch/arm/mach-socfpga/spl_gen5.c b/arch/arm/mach-socfpga/spl_gen5.c index 70f8455..a01e2a5 100644 --- a/arch/arm/mach-socfpga/spl_gen5.c +++ b/arch/arm/mach-socfpga/spl_gen5.c @@ -138,10 +138,7 @@ void board_init_f(ulong dummy) debug("Reset init failed: %d\n", ret); #ifdef CONFIG_SPL_NAND_DENALI - struct socfpga_reset_manager *reset_manager_base = - (struct socfpga_reset_manager *)SOCFPGA_RSTMGR_ADDRESS; - - clrbits_le32(&reset_manager_base->per_mod_reset, BIT(4)); + clrbits_le32(SOCFPGA_RSTMGR_ADDRESS + RSTMGR_GEN5_PERMODRST, BIT(4)); #endif /* enable console uart printing */ diff --git a/arch/arm/mach-socfpga/wrap_sdram_config.c b/arch/arm/mach-socfpga/wrap_sdram_config.c index 2b072cc..4ea32e7 100644 --- a/arch/arm/mach-socfpga/wrap_sdram_config.c +++ b/arch/arm/mach-socfpga/wrap_sdram_config.c @@ -80,13 +80,15 @@ static const struct socfpga_sdram_config sdram_config = { SDR_CTRLGRP_DRAMODT_READ_LSB) | (CONFIG_HPS_SDR_CTRLCFG_DRAMODT_WRITE << SDR_CTRLGRP_DRAMODT_WRITE_LSB), +#if (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE == 2) /* DDR3 */ .extratime1 = - (CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR << - SDR_CTRLGRP_EXTRATIME1_RD_TO_WR_LSB) | - (CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_BC << - SDR_CTRLGRP_EXTRATIME1_RD_TO_WR_BC_LSB) | -(CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_DIFF_CHIP << - SDR_CTRLGRP_EXTRATIME1_RD_TO_WR_DIFF_LSB), + (CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR << + SDR_CTRLGRP_EXTRATIME1_RD_TO_WR_LSB) | + (CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_BC << + SDR_CTRLGRP_EXTRATIME1_RD_TO_WR_BC_LSB) | + (CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_DIFF_CHIP << + SDR_CTRLGRP_EXTRATIME1_RD_TO_WR_DIFF_LSB), +#endif .dram_addrw = (CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS << SDR_CTRLGRP_DRAMADDRW_COLBITS_LSB) | @@ -190,7 +192,6 @@ static const struct socfpga_sdram_rw_mgr_config rw_mgr_config = { .activate_0_and_1 = RW_MGR_ACTIVATE_0_AND_1, .activate_0_and_1_wait1 = RW_MGR_ACTIVATE_0_AND_1_WAIT1, .activate_0_and_1_wait2 = RW_MGR_ACTIVATE_0_AND_1_WAIT2, - .activate_1 = RW_MGR_ACTIVATE_1, .clear_dqs_enable = RW_MGR_CLEAR_DQS_ENABLE, .guaranteed_read = RW_MGR_GUARANTEED_READ, .guaranteed_read_cont = RW_MGR_GUARANTEED_READ_CONT, @@ -199,11 +200,41 @@ static const struct socfpga_sdram_rw_mgr_config rw_mgr_config = { .guaranteed_write_wait1 = RW_MGR_GUARANTEED_WRITE_WAIT1, .guaranteed_write_wait2 = RW_MGR_GUARANTEED_WRITE_WAIT2, .guaranteed_write_wait3 = RW_MGR_GUARANTEED_WRITE_WAIT3, - .idle = RW_MGR_IDLE, .idle_loop1 = RW_MGR_IDLE_LOOP1, .idle_loop2 = RW_MGR_IDLE_LOOP2, +#if (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE == 1) /* DDR2 */ + .emr = RW_MGR_EMR, + .emr2 = RW_MGR_EMR2, + .emr3 = RW_MGR_EMR3, + .init_reset_0_cke_0 = RW_MGR_INIT_CKE_0, + .nop = RW_MGR_NOP, + .refresh = RW_MGR_REFRESH, + .mr_calib = RW_MGR_MR_CALIB, + .mr_user = RW_MGR_MR_USER, + .mr_dll_reset = RW_MGR_MR_DLL_RESET, + .emr_ocd_enable = RW_MGR_EMR_OCD_ENABLE, +#elif (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE == 2) /* DDR3 */ + .activate_1 = RW_MGR_ACTIVATE_1, + .idle = RW_MGR_IDLE, .init_reset_0_cke_0 = RW_MGR_INIT_RESET_0_CKE_0, .init_reset_1_cke_0 = RW_MGR_INIT_RESET_1_CKE_0, + .mrs1 = RW_MGR_MRS1, + .mrs1_mirr = RW_MGR_MRS1_MIRR, + .mrs2 = RW_MGR_MRS2, + .mrs2_mirr = RW_MGR_MRS2_MIRR, + .mrs3 = RW_MGR_MRS3, + .mrs3_mirr = RW_MGR_MRS3_MIRR, + .refresh_all = RW_MGR_REFRESH_ALL, + .rreturn = RW_MGR_RETURN, + .sgle_read = RW_MGR_SGLE_READ, + .zqcl = RW_MGR_ZQCL, + .mrs0_dll_reset = RW_MGR_MRS0_DLL_RESET, + .mrs0_dll_reset_mirr = RW_MGR_MRS0_DLL_RESET_MIRR, + .mrs0_user = RW_MGR_MRS0_USER, + .mrs0_user_mirr = RW_MGR_MRS0_USER_MIRR, +#else +#error LPDDR2 and other DRAM types are not yet supported +#endif .lfsr_wr_rd_bank_0 = RW_MGR_LFSR_WR_RD_BANK_0, .lfsr_wr_rd_bank_0_data = RW_MGR_LFSR_WR_RD_BANK_0_DATA, .lfsr_wr_rd_bank_0_dqs = RW_MGR_LFSR_WR_RD_BANK_0_DQS, @@ -216,24 +247,10 @@ static const struct socfpga_sdram_rw_mgr_config rw_mgr_config = { .lfsr_wr_rd_dm_bank_0_nop = RW_MGR_LFSR_WR_RD_DM_BANK_0_NOP, .lfsr_wr_rd_dm_bank_0_wait = RW_MGR_LFSR_WR_RD_DM_BANK_0_WAIT, .lfsr_wr_rd_dm_bank_0_wl_1 = RW_MGR_LFSR_WR_RD_DM_BANK_0_WL_1, - .mrs0_dll_reset = RW_MGR_MRS0_DLL_RESET, - .mrs0_dll_reset_mirr = RW_MGR_MRS0_DLL_RESET_MIRR, - .mrs0_user = RW_MGR_MRS0_USER, - .mrs0_user_mirr = RW_MGR_MRS0_USER_MIRR, - .mrs1 = RW_MGR_MRS1, - .mrs1_mirr = RW_MGR_MRS1_MIRR, - .mrs2 = RW_MGR_MRS2, - .mrs2_mirr = RW_MGR_MRS2_MIRR, - .mrs3 = RW_MGR_MRS3, - .mrs3_mirr = RW_MGR_MRS3_MIRR, .precharge_all = RW_MGR_PRECHARGE_ALL, .read_b2b = RW_MGR_READ_B2B, .read_b2b_wait1 = RW_MGR_READ_B2B_WAIT1, .read_b2b_wait2 = RW_MGR_READ_B2B_WAIT2, - .refresh_all = RW_MGR_REFRESH_ALL, - .rreturn = RW_MGR_RETURN, - .sgle_read = RW_MGR_SGLE_READ, - .zqcl = RW_MGR_ZQCL, .true_mem_data_mask_width = RW_MGR_TRUE_MEM_DATA_MASK_WIDTH, .mem_address_mirroring = RW_MGR_MEM_ADDRESS_MIRRORING, @@ -270,6 +287,9 @@ static const struct socfpga_sdram_io_config io_config = { }; static const struct socfpga_sdram_misc_config misc_config = { +#if (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE == 1) /* DDR2 */ + .afi_clk_freq = AFI_CLK_FREQ, +#endif .afi_rate_ratio = AFI_RATE_RATIO, .calib_lfifo_offset = CALIB_LFIFO_OFFSET, .calib_vfifo_offset = CALIB_VFIFO_OFFSET, diff --git a/configs/socfpga_stratix10_defconfig b/configs/socfpga_stratix10_defconfig index c7286d5..26db40f 100644 --- a/configs/socfpga_stratix10_defconfig +++ b/configs/socfpga_stratix10_defconfig @@ -58,4 +58,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_DWC2=y CONFIG_USB_STORAGE=y +CONFIG_DESIGNWARE_WATCHDOG=y +CONFIG_WDT=y # CONFIG_SPL_USE_TINY_PRINTF is not set diff --git a/configs/socfpga_vining_fpga_defconfig b/configs/socfpga_vining_fpga_defconfig index 5b2801b..0dcae81 100644 --- a/configs/socfpga_vining_fpga_defconfig +++ b/configs/socfpga_vining_fpga_defconfig @@ -96,4 +96,5 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0525 CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5 CONFIG_USB_GADGET_DWC2_OTG=y CONFIG_USB_GADGET_DOWNLOAD=y -# CONFIG_SPL_WDT is not set +CONFIG_DESIGNWARE_WATCHDOG=y +CONFIG_WDT=y diff --git a/drivers/ddr/altera/sdram_gen5.c b/drivers/ddr/altera/sdram_gen5.c index a3b914f..3ea5a7c 100644 --- a/drivers/ddr/altera/sdram_gen5.c +++ b/drivers/ddr/altera/sdram_gen5.c @@ -434,8 +434,10 @@ static void sdr_load_regs(struct socfpga_sdr_ctrl *sdr_ctrl, debug("Configuring DRAMODT\n"); writel(cfg->dram_odt, &sdr_ctrl->dram_odt); - debug("Configuring EXTRATIME1\n"); - writel(cfg->extratime1, &sdr_ctrl->extratime1); + if (dram_is_ddr(3)) { + debug("Configuring EXTRATIME1\n"); + writel(cfg->extratime1, &sdr_ctrl->extratime1); + } } /** diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index b85b56e..35bda9b 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -7,6 +7,7 @@ #include <asm/io.h> #include <asm/arch/sdram.h> #include <errno.h> +#include <hang.h> #include "sequencer.h" static const struct socfpga_sdr_rw_load_manager *sdr_rw_load_mgr_regs = @@ -54,6 +55,21 @@ static const struct socfpga_sdr_ctrl *sdr_ctrl = #define SKIP_DELAY_LOOP_VALUE_OR_ZERO(non_skip_value) \ ((non_skip_value) & seq->skip_delay_mask) +bool dram_is_ddr(const u8 ddr) +{ + const struct socfpga_sdram_config *cfg = socfpga_get_sdram_config(); + const u8 type = (cfg->ctrl_cfg >> SDR_CTRLGRP_CTRLCFG_MEMTYPE_LSB) & + SDR_CTRLGRP_CTRLCFG_MEMTYPE_MASK; + + if (ddr == 2 && type == 1) /* DDR2 */ + return true; + + if (ddr == 3 && type == 2) /* DDR3 */ + return true; + + return false; +} + static void set_failing_group_stage(struct socfpga_sdrseq *seq, u32 group, u32 stage, u32 substage) { @@ -164,6 +180,8 @@ static void set_rank_and_odt_mask(struct socfpga_sdrseq *seq, */ odt_mask_0 = 0x3 & ~(1 << rank); odt_mask_1 = 0x3; + if (dram_is_ddr(2)) + odt_mask_1 &= ~(1 << rank); } else { /* * - Single-Slot , Dual-Rank (2 CS per DIMM) @@ -176,10 +194,11 @@ static void set_rank_and_odt_mask(struct socfpga_sdrseq *seq, } break; case 4: /* 4 Ranks */ - /* Read: + /* + * DDR3 Read, DDR2 Read/Write: * ----------+-----------------------+ * | ODT | - * Read From +-----------------------+ + * +-----------------------+ * Rank | 3 | 2 | 1 | 0 | * ----------+-----+-----+-----+-----+ * 0 | 0 | 1 | 0 | 0 | @@ -188,7 +207,7 @@ static void set_rank_and_odt_mask(struct socfpga_sdrseq *seq, * 3 | 0 | 0 | 1 | 0 | * ----------+-----+-----+-----+-----+ * - * Write: + * DDR3 Write: * ----------+-----------------------+ * | ODT | * Write To +-----------------------+ @@ -203,19 +222,31 @@ static void set_rank_and_odt_mask(struct socfpga_sdrseq *seq, switch (rank) { case 0: odt_mask_0 = 0x4; - odt_mask_1 = 0x5; + if (dram_is_ddr(2)) + odt_mask_1 = 0x4; + else if (dram_is_ddr(3)) + odt_mask_1 = 0x5; break; case 1: odt_mask_0 = 0x8; - odt_mask_1 = 0xA; + if (dram_is_ddr(2)) + odt_mask_1 = 0x8; + else if (dram_is_ddr(3)) + odt_mask_1 = 0xA; break; case 2: odt_mask_0 = 0x1; - odt_mask_1 = 0x5; + if (dram_is_ddr(2)) + odt_mask_1 = 0x1; + else if (dram_is_ddr(3)) + odt_mask_1 = 0x5; break; case 3: odt_mask_0 = 0x2; - odt_mask_1 = 0xA; + if (dram_is_ddr(2)) + odt_mask_1 = 0x2; + else if (dram_is_ddr(3)) + odt_mask_1 = 0xA; break; } break; @@ -839,6 +870,12 @@ static void delay_for_n_mem_clocks(struct socfpga_sdrseq *seq, debug("%s:%d clocks=%u ... end\n", __func__, __LINE__, clocks); } +static void delay_for_n_ns(struct socfpga_sdrseq *seq, const u32 ns) +{ + delay_for_n_mem_clocks(seq, (ns * seq->misccfg->afi_clk_freq * + seq->misccfg->afi_rate_ratio) / 1000); +} + /** * rw_mgr_mem_init_load_regs() - Load instruction registers * @cntr0: Counter 0 value @@ -872,14 +909,59 @@ static void rw_mgr_mem_init_load_regs(struct socfpga_sdrseq *seq, } /** - * rw_mgr_mem_load_user() - Load user calibration values + * rw_mgr_mem_load_user_ddr2() - Load user calibration values for DDR2 + * @handoff: Indicate whether this is initialization or handoff phase + * + * Load user calibration values and optionally precharge the banks. + */ +static void rw_mgr_mem_load_user_ddr2(struct socfpga_sdrseq *seq, + const int handoff) +{ + u32 grpaddr = SDR_PHYGRP_RWMGRGRP_ADDRESS | + RW_MGR_RUN_SINGLE_GROUP_OFFSET; + u32 r; + + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r++) { + /* set rank */ + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_OFF); + + /* precharge all banks ... */ + writel(seq->rwcfg->precharge_all, grpaddr); + + writel(seq->rwcfg->emr2, grpaddr); + writel(seq->rwcfg->emr3, grpaddr); + writel(seq->rwcfg->emr, grpaddr); + + if (handoff) { + writel(seq->rwcfg->mr_user, grpaddr); + continue; + } + + writel(seq->rwcfg->mr_dll_reset, grpaddr); + + writel(seq->rwcfg->precharge_all, grpaddr); + + writel(seq->rwcfg->refresh, grpaddr); + delay_for_n_ns(seq, 200); + writel(seq->rwcfg->refresh, grpaddr); + delay_for_n_ns(seq, 200); + + writel(seq->rwcfg->mr_calib, grpaddr); + writel(/*seq->rwcfg->*/0x0b, grpaddr); // EMR_OCD_ENABLE + writel(seq->rwcfg->emr, grpaddr); + delay_for_n_mem_clocks(seq, 200); + } +} + +/** + * rw_mgr_mem_load_user_ddr3() - Load user calibration values * @fin1: Final instruction 1 * @fin2: Final instruction 2 * @precharge: If 1, precharge the banks at the end * * Load user calibration values and optionally precharge the banks. */ -static void rw_mgr_mem_load_user(struct socfpga_sdrseq *seq, +static void rw_mgr_mem_load_user_ddr3(struct socfpga_sdrseq *seq, const u32 fin1, const u32 fin2, const int precharge) { @@ -936,6 +1018,25 @@ static void rw_mgr_mem_load_user(struct socfpga_sdrseq *seq, } /** + * rw_mgr_mem_load_user() - Load user calibration values + * @fin1: Final instruction 1 + * @fin2: Final instruction 2 + * @precharge: If 1, precharge the banks at the end + * + * Load user calibration values and optionally precharge the banks. + */ +static void rw_mgr_mem_load_user(struct socfpga_sdrseq *seq, + const u32 fin1, const u32 fin2, + const int precharge) +{ + if (dram_is_ddr(2)) + rw_mgr_mem_load_user_ddr2(seq, precharge); + else if (dram_is_ddr(3)) + rw_mgr_mem_load_user_ddr3(seq, fin1, fin2, precharge); + else + hang(); +} +/** * rw_mgr_mem_initialize() - Initialize RW Manager * * Initialize RW Manager. @@ -945,8 +1046,10 @@ static void rw_mgr_mem_initialize(struct socfpga_sdrseq *seq) debug("%s:%d\n", __func__, __LINE__); /* The reset / cke part of initialization is broadcasted to all ranks */ - writel(RW_MGR_RANK_ALL, SDR_PHYGRP_RWMGRGRP_ADDRESS | - RW_MGR_SET_CS_AND_ODT_MASK_OFFSET); + if (dram_is_ddr(3)) { + writel(RW_MGR_RANK_ALL, SDR_PHYGRP_RWMGRGRP_ADDRESS | + RW_MGR_SET_CS_AND_ODT_MASK_OFFSET); + } /* * Here's how you load register for a loop @@ -979,29 +1082,38 @@ static void rw_mgr_mem_initialize(struct socfpga_sdrseq *seq) /* Indicate that memory is stable. */ writel(1, &phy_mgr_cfg->reset_mem_stbl); - /* - * transition the RESET to high - * Wait for 500us - */ + if (dram_is_ddr(2)) { + writel(seq->rwcfg->nop, SDR_PHYGRP_RWMGRGRP_ADDRESS | + RW_MGR_RUN_SINGLE_GROUP_OFFSET); - /* - * 500us @ 266MHz (3.75 ns) ~ 134000 clock cycles - * If a and b are the number of iteration in 2 nested loops - * it takes the following number of cycles to complete the operation - * number_of_cycles = ((2 + n) * a + 2) * b - * where n is the number of instruction in the inner loop - * One possible solution is n = 2 , a = 131 , b = 256 => a = 83, - * b = FF - */ - rw_mgr_mem_init_load_regs(seq, seq->misccfg->treset_cntr0_val, - seq->misccfg->treset_cntr1_val, - seq->misccfg->treset_cntr2_val, - seq->rwcfg->init_reset_1_cke_0); + /* Bring up clock enable. */ - /* Bring up clock enable. */ + /* tXRP < 400 ck cycles */ + delay_for_n_ns(seq, 400); + } else if (dram_is_ddr(3)) { + /* + * transition the RESET to high + * Wait for 500us + */ + + /* + * 500us @ 266MHz (3.75 ns) ~ 134000 clock cycles + * If a and b are the number of iteration in 2 nested loops + * it takes the following number of cycles to complete the + * operation number_of_cycles = ((2 + n) * a + 2) * b + * where n is the number of instruction in the inner loop + * One possible solution is + * n = 2 , a = 131 , b = 256 => a = 83, b = FF + */ + rw_mgr_mem_init_load_regs(seq, seq->misccfg->treset_cntr0_val, + seq->misccfg->treset_cntr1_val, + seq->misccfg->treset_cntr2_val, + seq->rwcfg->init_reset_1_cke_0); + /* Bring up clock enable. */ - /* tXRP < 250 ck cycles */ - delay_for_n_mem_clocks(seq, 250); + /* tXRP < 250 ck cycles */ + delay_for_n_mem_clocks(seq, 250); + } rw_mgr_mem_load_user(seq, seq->rwcfg->mrs0_dll_reset_mirr, seq->rwcfg->mrs0_dll_reset, 0); @@ -3769,16 +3881,26 @@ static void initialize_tracking(struct socfpga_sdrseq *seq) &sdr_reg_file->delays); /* mux delay */ - writel((seq->rwcfg->idle << 24) | (seq->rwcfg->activate_1 << 16) | - (seq->rwcfg->sgle_read << 8) | (seq->rwcfg->precharge_all << 0), - &sdr_reg_file->trk_rw_mgr_addr); + if (dram_is_ddr(2)) { + writel(0, &sdr_reg_file->trk_rw_mgr_addr); + } else if (dram_is_ddr(3)) { + writel((seq->rwcfg->idle << 24) | + (seq->rwcfg->activate_1 << 16) | + (seq->rwcfg->sgle_read << 8) | + (seq->rwcfg->precharge_all << 0), + &sdr_reg_file->trk_rw_mgr_addr); + } writel(seq->rwcfg->mem_if_read_dqs_width, &sdr_reg_file->trk_read_dqs_width); /* trefi [7:0] */ - writel((seq->rwcfg->refresh_all << 24) | (1000 << 0), - &sdr_reg_file->trk_rfsh); + if (dram_is_ddr(2)) { + writel(1000 << 0, &sdr_reg_file->trk_rfsh); + } else if (dram_is_ddr(3)) { + writel((seq->rwcfg->refresh_all << 24) | (1000 << 0), + &sdr_reg_file->trk_rfsh); + } } int sdram_calibration_full(struct socfpga_sdr *sdr) diff --git a/drivers/ddr/altera/sequencer.h b/drivers/ddr/altera/sequencer.h index 4a03c3f..c72a683 100644 --- a/drivers/ddr/altera/sequencer.h +++ b/drivers/ddr/altera/sequencer.h @@ -279,5 +279,6 @@ struct socfpga_sdrseq { }; int sdram_calibration_full(struct socfpga_sdr *sdr); +bool dram_is_ddr(const u8 ddr); #endif /* _SEQUENCER_H_ */ diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c index 93ec9cf..105ce94 100644 --- a/drivers/reset/reset-socfpga.c +++ b/drivers/reset/reset-socfpga.c @@ -18,6 +18,7 @@ #include <dm/of_access.h> #include <env.h> #include <reset-uclass.h> +#include <wait_bit.h> #include <linux/bitops.h> #include <linux/io.h> #include <linux/sizes.h> @@ -80,7 +81,10 @@ static int socfpga_reset_deassert(struct reset_ctl *reset_ctl) int offset = id % (reg_width * BITS_PER_BYTE); clrbits_le32(data->modrst_base + (bank * BANK_INCREMENT), BIT(offset)); - return 0; + + return wait_for_bit_le32(data->modrst_base + (bank * BANK_INCREMENT), + BIT(offset), + false, 500, false); } static int socfpga_reset_request(struct reset_ctl *reset_ctl) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 2b8064d..77354ad 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -45,6 +45,13 @@ config ULP_WATCHDOG help Say Y here to enable i.MX7ULP watchdog driver. +config DESIGNWARE_WATCHDOG + bool "Designware watchdog timer support" + select HW_WATCHDOG if !WDT + help + Enable this to support Designware Watchdog Timer IP, present e.g. + on Altera SoCFPGA SoCs. + config WDT bool "Enable driver model for watchdog timer drivers" depends on DM diff --git a/drivers/watchdog/designware_wdt.c b/drivers/watchdog/designware_wdt.c index c668567..1024a04 100644 --- a/drivers/watchdog/designware_wdt.c +++ b/drivers/watchdog/designware_wdt.c @@ -3,8 +3,11 @@ * Copyright (C) 2013 Altera Corporation <www.altera.com> */ +#include <clk.h> #include <common.h> -#include <watchdog.h> +#include <dm.h> +#include <reset.h> +#include <wdt.h> #include <asm/io.h> #include <asm/utils.h> @@ -14,49 +17,52 @@ #define DW_WDT_CR_EN_OFFSET 0x00 #define DW_WDT_CR_RMOD_OFFSET 0x01 -#define DW_WDT_CR_RMOD_VAL 0x00 #define DW_WDT_CRR_RESTART_VAL 0x76 +struct designware_wdt_priv { + void __iomem *base; + unsigned int clk_khz; +}; + /* * Set the watchdog time interval. * Counter is 32 bit. */ -static int designware_wdt_settimeout(unsigned int timeout) +static int designware_wdt_settimeout(void __iomem *base, unsigned int clk_khz, + unsigned int timeout) { signed int i; /* calculate the timeout range value */ - i = (log_2_n_round_up(timeout * CONFIG_DW_WDT_CLOCK_KHZ)) - 16; - if (i > 15) - i = 15; - if (i < 0) - i = 0; + i = log_2_n_round_up(timeout * clk_khz) - 16; + i = clamp(i, 0, 15); + + writel(i | (i << 4), base + DW_WDT_TORR); - writel((i | (i << 4)), (CONFIG_DW_WDT_BASE + DW_WDT_TORR)); return 0; } -static void designware_wdt_enable(void) +static void designware_wdt_enable(void __iomem *base) { - writel(((DW_WDT_CR_RMOD_VAL << DW_WDT_CR_RMOD_OFFSET) | - (0x1 << DW_WDT_CR_EN_OFFSET)), - (CONFIG_DW_WDT_BASE + DW_WDT_CR)); + writel(BIT(DW_WDT_CR_EN_OFFSET), base + DW_WDT_CR); } -static unsigned int designware_wdt_is_enabled(void) +static unsigned int designware_wdt_is_enabled(void __iomem *base) { - unsigned long val; - val = readl((CONFIG_DW_WDT_BASE + DW_WDT_CR)); - return val & 0x1; + return readl(base + DW_WDT_CR) & BIT(0); } -#if defined(CONFIG_HW_WATCHDOG) -void hw_watchdog_reset(void) +static void designware_wdt_reset_common(void __iomem *base) { - if (designware_wdt_is_enabled()) + if (designware_wdt_is_enabled(base)) /* restart the watchdog counter */ - writel(DW_WDT_CRR_RESTART_VAL, - (CONFIG_DW_WDT_BASE + DW_WDT_CRR)); + writel(DW_WDT_CRR_RESTART_VAL, base + DW_WDT_CRR); +} + +#if !CONFIG_IS_ENABLED(WDT) +void hw_watchdog_reset(void) +{ + designware_wdt_reset_common((void __iomem *)CONFIG_DW_WDT_BASE); } void hw_watchdog_init(void) @@ -64,10 +70,106 @@ void hw_watchdog_init(void) /* reset to disable the watchdog */ hw_watchdog_reset(); /* set timer in miliseconds */ - designware_wdt_settimeout(CONFIG_WATCHDOG_TIMEOUT_MSECS); + designware_wdt_settimeout((void __iomem *)CONFIG_DW_WDT_BASE, + CONFIG_DW_WDT_CLOCK_KHZ, + CONFIG_WATCHDOG_TIMEOUT_MSECS); /* enable the watchdog */ - designware_wdt_enable(); + designware_wdt_enable((void __iomem *)CONFIG_DW_WDT_BASE); /* reset the watchdog */ hw_watchdog_reset(); } +#else +static int designware_wdt_reset(struct udevice *dev) +{ + struct designware_wdt_priv *priv = dev_get_priv(dev); + + designware_wdt_reset_common(priv->base); + + return 0; +} + +static int designware_wdt_stop(struct udevice *dev) +{ + struct designware_wdt_priv *priv = dev_get_priv(dev); + + designware_wdt_reset(dev); + writel(0, priv->base + DW_WDT_CR); + + return 0; +} + +static int designware_wdt_start(struct udevice *dev, u64 timeout, ulong flags) +{ + struct designware_wdt_priv *priv = dev_get_priv(dev); + + designware_wdt_stop(dev); + + /* set timer in miliseconds */ + designware_wdt_settimeout(priv->base, priv->clk_khz, timeout); + + designware_wdt_enable(priv->base); + + /* reset the watchdog */ + return designware_wdt_reset(dev); +} + +static int designware_wdt_probe(struct udevice *dev) +{ + struct designware_wdt_priv *priv = dev_get_priv(dev); + __maybe_unused int ret; + + priv->base = dev_remap_addr(dev); + if (!priv->base) + return -EINVAL; + +#if CONFIG_IS_ENABLED(CLK) + struct clk clk; + + ret = clk_get_by_index(dev, 0, &clk); + if (ret) + return ret; + + priv->clk_khz = clk_get_rate(&clk); + if (!priv->clk_khz) + return -EINVAL; +#else + priv->clk_khz = CONFIG_DW_WDT_CLOCK_KHZ; +#endif + +#if CONFIG_IS_ENABLED(DM_RESET) + struct reset_ctl_bulk resets; + + ret = reset_get_bulk(dev, &resets); + if (ret) + return ret; + + ret = reset_deassert_bulk(&resets); + if (ret) + return ret; +#endif + + /* reset to disable the watchdog */ + return designware_wdt_stop(dev); +} + +static const struct wdt_ops designware_wdt_ops = { + .start = designware_wdt_start, + .reset = designware_wdt_reset, + .stop = designware_wdt_stop, +}; + +static const struct udevice_id designware_wdt_ids[] = { + { .compatible = "snps,dw-wdt"}, + {} +}; + +U_BOOT_DRIVER(designware_wdt) = { + .name = "designware_wdt", + .id = UCLASS_WDT, + .of_match = designware_wdt_ids, + .priv_auto_alloc_size = sizeof(struct designware_wdt_priv), + .probe = designware_wdt_probe, + .ops = &designware_wdt_ops, + .flags = DM_FLAG_PRE_RELOC, +}; #endif diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h index 05bfef7..8d10469 100644 --- a/include/configs/socfpga_common.h +++ b/include/configs/socfpga_common.h @@ -104,11 +104,8 @@ /* * L4 Watchdog */ -#ifdef CONFIG_HW_WATCHDOG -#define CONFIG_DESIGNWARE_WATCHDOG #define CONFIG_DW_WDT_BASE SOCFPGA_L4WD0_ADDRESS #define CONFIG_DW_WDT_CLOCK_KHZ 25000 -#endif /* * MMC Driver diff --git a/include/configs/socfpga_soc64_common.h b/include/configs/socfpga_soc64_common.h index 4afadaf..87c7345 100644 --- a/include/configs/socfpga_soc64_common.h +++ b/include/configs/socfpga_soc64_common.h @@ -150,9 +150,10 @@ unsigned int cm_get_qspi_controller_clk_hz(void); /* * L4 Watchdog */ -#ifdef CONFIG_SPL_BUILD -#define CONFIG_HW_WATCHDOG -#define CONFIG_DESIGNWARE_WATCHDOG +#ifndef CONFIG_SPL_BUILD +#undef CONFIG_HW_WATCHDOG +#undef CONFIG_DESIGNWARE_WATCHDOG +#endif #define CONFIG_DW_WDT_BASE SOCFPGA_L4WD0_ADDRESS #ifdef CONFIG_TARGET_SOCFPGA_STRATIX10 #ifndef __ASSEMBLY__ @@ -162,7 +163,6 @@ unsigned int cm_get_l4_sys_free_clk_hz(void); #else #define CONFIG_DW_WDT_CLOCK_KHZ 100000 #endif -#endif /* * SPL memory layout diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index cbc9502..874f268 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -311,7 +311,6 @@ CONFIG_DEFAULT_IMMR CONFIG_DEF_HWCONFIG CONFIG_DELAY_ENVIRONMENT CONFIG_DESIGNWARE_ETH -CONFIG_DESIGNWARE_WATCHDOG CONFIG_DEVELOP CONFIG_DEVICE_TREE_LIST CONFIG_DFU_ALT |