diff options
Diffstat (limited to 'drivers/ddr')
| -rw-r--r-- | drivers/ddr/fsl/arm_ddr_gen3.c | 2 | ||||
| -rw-r--r-- | drivers/ddr/fsl/ctrl_regs.c | 216 | ||||
| -rw-r--r-- | drivers/ddr/fsl/ddr1_dimm_params.c | 18 | ||||
| -rw-r--r-- | drivers/ddr/fsl/ddr2_dimm_params.c | 12 | ||||
| -rw-r--r-- | drivers/ddr/fsl/ddr3_dimm_params.c | 8 | ||||
| -rw-r--r-- | drivers/ddr/fsl/ddr4_dimm_params.c | 8 | ||||
| -rw-r--r-- | drivers/ddr/fsl/fsl_ddr_gen4.c | 36 | ||||
| -rw-r--r-- | drivers/ddr/fsl/lc_common_dimm_params.c | 27 | ||||
| -rw-r--r-- | drivers/ddr/fsl/main.c | 29 | ||||
| -rw-r--r-- | drivers/ddr/fsl/mpc85xx_ddr_gen3.c | 4 | ||||
| -rw-r--r-- | drivers/ddr/fsl/options.c | 6 | ||||
| -rw-r--r-- | drivers/ddr/fsl/util.c | 67 |
12 files changed, 279 insertions, 154 deletions
diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c index c139da6..7160da4 100644 --- a/drivers/ddr/fsl/arm_ddr_gen3.c +++ b/drivers/ddr/fsl/arm_ddr_gen3.c @@ -222,7 +222,7 @@ step2: bus_width = 3 - ((ddr_in32(&ddr->sdram_cfg) & SDRAM_CFG_DBW_MASK) >> SDRAM_CFG_DBW_SHIFT); timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 / - (get_ddr_freq(0) >> 20)) << 1; + (get_ddr_freq(ctrl_num) >> 20)) << 1; total_gb_size_per_controller >>= 4; /* shift down to gb size */ debug("total %d GB\n", total_gb_size_per_controller); debug("Need to wait up to %d * 10ms\n", timeout); diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 03d7ff1..690e73d 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -17,8 +17,6 @@ #include <fsl_immap.h> #include <asm/io.h> -unsigned int picos_to_mclk(unsigned int picos); - /* * Determine Rtt value. * @@ -78,10 +76,11 @@ static inline int fsl_ddr_get_rtt(void) * 16 for <= 2933MT/s * 18 for higher */ -static inline unsigned int compute_cas_write_latency(void) +static inline unsigned int compute_cas_write_latency( + const unsigned int ctrl_num) { unsigned int cwl; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); if (mclk_ps >= 1250) cwl = 9; else if (mclk_ps >= 1070) @@ -111,10 +110,11 @@ static inline unsigned int compute_cas_write_latency(void) * 11 if 0.935ns > tCK >= 0.833ns * 12 if 0.833ns > tCK >= 0.75ns */ -static inline unsigned int compute_cas_write_latency(void) +static inline unsigned int compute_cas_write_latency( + const unsigned int ctrl_num) { unsigned int cwl; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); if (mclk_ps >= 2500) cwl = 5; @@ -287,7 +287,8 @@ static inline int avoid_odt_overlap(const dimm_params_t *dimm_params) * Avoid writing for DDR I. The new PQ38 DDR controller * dreams up non-zero default values to be backwards compatible. */ -static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr, +static void set_timing_cfg_0(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const dimm_params_t *dimm_params) { @@ -306,7 +307,7 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr, /* Mode register set cycle time (tMRD). */ unsigned char tmrd_mclk; #if defined(CONFIG_SYS_FSL_DDR4) || defined(CONFIG_SYS_FSL_DDR3) - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); #endif #ifdef CONFIG_SYS_FSL_DDR4 @@ -314,15 +315,15 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr, int txp = max((int)mclk_ps * 4, 6000); /* unit=ps */ trwt_mclk = 2; twrt_mclk = 1; - act_pd_exit_mclk = picos_to_mclk(txp); + act_pd_exit_mclk = picos_to_mclk(ctrl_num, txp); pre_pd_exit_mclk = act_pd_exit_mclk; /* * MRS_CYC = max(tMRD, tMOD) * tMRD = 8nCK, tMOD = max(24nCK, 15ns) */ - tmrd_mclk = max(24U, picos_to_mclk(15000)); + tmrd_mclk = max(24U, picos_to_mclk(ctrl_num, 15000)); #elif defined(CONFIG_SYS_FSL_DDR3) - unsigned int data_rate = get_ddr_freq(0); + unsigned int data_rate = get_ddr_freq(ctrl_num); int txp; unsigned int ip_rev; int odt_overlap; @@ -344,7 +345,8 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr, * tMRD = 4nCK (8nCK for RDIMM) * tMOD = max(12nCK, 15ns) */ - tmrd_mclk = max((unsigned int)12, picos_to_mclk(15000)); + tmrd_mclk = max((unsigned int)12, + picos_to_mclk(ctrl_num, 15000)); } else { /* * MRS_CYC = tMRD @@ -388,7 +390,7 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr, taxpd_mclk = 1; } else { /* act_pd_exit_mclk = tXARD, see above */ - act_pd_exit_mclk = picos_to_mclk(txp); + act_pd_exit_mclk = picos_to_mclk(ctrl_num, txp); /* Mode register MR0[A12] is '1' - fast exit */ pre_pd_exit_mclk = act_pd_exit_mclk; taxpd_mclk = 1; @@ -424,11 +426,12 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr, #endif /* !defined(CONFIG_SYS_FSL_DDR1) */ /* DDR SDRAM Timing Configuration 3 (TIMING_CFG_3) */ -static void set_timing_cfg_3(fsl_ddr_cfg_regs_t *ddr, - const memctl_options_t *popts, - const common_timing_params_t *common_dimm, - unsigned int cas_latency, - unsigned int additive_latency) +static void set_timing_cfg_3(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, + const memctl_options_t *popts, + const common_timing_params_t *common_dimm, + unsigned int cas_latency, + unsigned int additive_latency) { /* Extended precharge to activate interval (tRP) */ unsigned int ext_pretoact = 0; @@ -447,18 +450,18 @@ static void set_timing_cfg_3(fsl_ddr_cfg_regs_t *ddr, /* Control Adjust */ unsigned int cntl_adj = 0; - ext_pretoact = picos_to_mclk(common_dimm->trp_ps) >> 4; - ext_acttopre = picos_to_mclk(common_dimm->tras_ps) >> 4; - ext_acttorw = picos_to_mclk(common_dimm->trcd_ps) >> 4; + ext_pretoact = picos_to_mclk(ctrl_num, common_dimm->trp_ps) >> 4; + ext_acttopre = picos_to_mclk(ctrl_num, common_dimm->tras_ps) >> 4; + ext_acttorw = picos_to_mclk(ctrl_num, common_dimm->trcd_ps) >> 4; ext_caslat = (2 * cas_latency - 1) >> 4; ext_add_lat = additive_latency >> 4; #ifdef CONFIG_SYS_FSL_DDR4 - ext_refrec = (picos_to_mclk(common_dimm->trfc1_ps) - 8) >> 4; + ext_refrec = (picos_to_mclk(ctrl_num, common_dimm->trfc1_ps) - 8) >> 4; #else - ext_refrec = (picos_to_mclk(common_dimm->trfc_ps) - 8) >> 4; + ext_refrec = (picos_to_mclk(ctrl_num, common_dimm->trfc_ps) - 8) >> 4; /* ext_wrrec only deals with 16 clock and above, or 14 with OTF */ #endif - ext_wrrec = (picos_to_mclk(common_dimm->twr_ps) + + ext_wrrec = (picos_to_mclk(ctrl_num, common_dimm->twr_ps) + (popts->otf_burst_chop_en ? 2 : 0)) >> 4; ddr->timing_cfg_3 = (0 @@ -475,10 +478,11 @@ static void set_timing_cfg_3(fsl_ddr_cfg_regs_t *ddr, } /* DDR SDRAM Timing Configuration 1 (TIMING_CFG_1) */ -static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr, - const memctl_options_t *popts, - const common_timing_params_t *common_dimm, - unsigned int cas_latency) +static void set_timing_cfg_1(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, + const memctl_options_t *popts, + const common_timing_params_t *common_dimm, + unsigned int cas_latency) { /* Precharge-to-activate interval (tRP) */ unsigned char pretoact_mclk; @@ -510,9 +514,9 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr, 1, 2, 3, 4, 5, 6, 7, 8, 10, 10, 12, 12, 14, 14, 0, 0}; #endif - pretoact_mclk = picos_to_mclk(common_dimm->trp_ps); - acttopre_mclk = picos_to_mclk(common_dimm->tras_ps); - acttorw_mclk = picos_to_mclk(common_dimm->trcd_ps); + pretoact_mclk = picos_to_mclk(ctrl_num, common_dimm->trp_ps); + acttopre_mclk = picos_to_mclk(ctrl_num, common_dimm->tras_ps); + acttorw_mclk = picos_to_mclk(ctrl_num, common_dimm->trcd_ps); /* * Translate CAS Latency to a DDR controller field value: @@ -547,19 +551,19 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr, #endif #ifdef CONFIG_SYS_FSL_DDR4 - refrec_ctrl = picos_to_mclk(common_dimm->trfc1_ps) - 8; - wrrec_mclk = picos_to_mclk(common_dimm->twr_ps); - acttoact_mclk = max(picos_to_mclk(common_dimm->trrds_ps), 4U); - wrtord_mclk = max(2U, picos_to_mclk(2500)); + refrec_ctrl = picos_to_mclk(ctrl_num, common_dimm->trfc1_ps) - 8; + wrrec_mclk = picos_to_mclk(ctrl_num, common_dimm->twr_ps); + acttoact_mclk = max(picos_to_mclk(ctrl_num, common_dimm->trrds_ps), 4U); + wrtord_mclk = max(2U, picos_to_mclk(ctrl_num, 2500)); if ((wrrec_mclk < 1) || (wrrec_mclk > 24)) printf("Error: WRREC doesn't support %d clocks\n", wrrec_mclk); else wrrec_mclk = wrrec_table[wrrec_mclk - 1]; #else - refrec_ctrl = picos_to_mclk(common_dimm->trfc_ps) - 8; - wrrec_mclk = picos_to_mclk(common_dimm->twr_ps); - acttoact_mclk = picos_to_mclk(common_dimm->trrd_ps); - wrtord_mclk = picos_to_mclk(common_dimm->twtr_ps); + refrec_ctrl = picos_to_mclk(ctrl_num, common_dimm->trfc_ps) - 8; + wrrec_mclk = picos_to_mclk(ctrl_num, common_dimm->twr_ps); + acttoact_mclk = picos_to_mclk(ctrl_num, common_dimm->trrd_ps); + wrtord_mclk = picos_to_mclk(ctrl_num, common_dimm->twtr_ps); if ((wrrec_mclk < 1) || (wrrec_mclk > 16)) printf("Error: WRREC doesn't support %d clocks\n", wrrec_mclk); else @@ -602,11 +606,12 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr, } /* DDR SDRAM Timing Configuration 2 (TIMING_CFG_2) */ -static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr, - const memctl_options_t *popts, - const common_timing_params_t *common_dimm, - unsigned int cas_latency, - unsigned int additive_latency) +static void set_timing_cfg_2(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, + const memctl_options_t *popts, + const common_timing_params_t *common_dimm, + unsigned int cas_latency, + unsigned int additive_latency) { /* Additive latency */ unsigned char add_lat_mclk; @@ -623,7 +628,7 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr, /* Window for four activates (tFAW) */ unsigned short four_act; #ifdef CONFIG_SYS_FSL_DDR3 - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); #endif /* FIXME add check that this must be less than acttorw_mclk */ @@ -641,13 +646,13 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr, #elif defined(CONFIG_SYS_FSL_DDR2) wr_lat = cas_latency - 1; #else - wr_lat = compute_cas_write_latency(); + wr_lat = compute_cas_write_latency(ctrl_num); #endif #ifdef CONFIG_SYS_FSL_DDR4 - rd_to_pre = picos_to_mclk(7500); + rd_to_pre = picos_to_mclk(ctrl_num, 7500); #else - rd_to_pre = picos_to_mclk(common_dimm->trtp_ps); + rd_to_pre = picos_to_mclk(ctrl_num, common_dimm->trtp_ps); #endif /* * JEDEC has some min requirements for tRTP @@ -665,19 +670,20 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr, wr_data_delay = popts->write_data_delay; #ifdef CONFIG_SYS_FSL_DDR4 cpo = 0; - cke_pls = max(3U, picos_to_mclk(5000)); + cke_pls = max(3U, picos_to_mclk(ctrl_num, 5000)); #elif defined(CONFIG_SYS_FSL_DDR3) /* * cke pulse = max(3nCK, 7.5ns) for DDR3-800 * max(3nCK, 5.625ns) for DDR3-1066, 1333 * max(3nCK, 5ns) for DDR3-1600, 1866, 2133 */ - cke_pls = max(3U, picos_to_mclk(mclk_ps > 1870 ? 7500 : - (mclk_ps > 1245 ? 5625 : 5000))); + cke_pls = max(3U, picos_to_mclk(ctrl_num, mclk_ps > 1870 ? 7500 : + (mclk_ps > 1245 ? 5625 : 5000))); #else cke_pls = FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR; #endif - four_act = picos_to_mclk(popts->tfaw_window_four_activates_ps); + four_act = picos_to_mclk(ctrl_num, + popts->tfaw_window_four_activates_ps); ddr->timing_cfg_2 = (0 | ((add_lat_mclk & 0xf) << 28) @@ -818,7 +824,8 @@ static void set_ddr_sdram_cfg(fsl_ddr_cfg_regs_t *ddr, } /* DDR SDRAM control configuration 2 (DDR_SDRAM_CFG_2) */ -static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_cfg_2(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const unsigned int unq_mrs_en) { @@ -865,7 +872,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, #endif #if (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7) - slow = get_ddr_freq(0) < 1249000000; + slow = get_ddr_freq(ctrl_num) < 1249000000; #endif if (popts->registered_dimm_en) { @@ -915,7 +922,8 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, #ifdef CONFIG_SYS_FSL_DDR4 /* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */ -static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode_2(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, const unsigned int unq_mrs_en) @@ -926,10 +934,10 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, unsigned int wr_crc = 0; /* Disable */ unsigned int rtt_wr = 0; /* Rtt_WR - dynamic ODT off */ unsigned int srt = 0; /* self-refresh temerature, normal range */ - unsigned int cwl = compute_cas_write_latency() - 9; + unsigned int cwl = compute_cas_write_latency(ctrl_num) - 9; unsigned int mpr = 0; /* serial */ unsigned int wc_lat; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); if (popts->rtt_override) rtt_wr = popts->rtt_wr_override_value; @@ -1002,7 +1010,8 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, } #elif defined(CONFIG_SYS_FSL_DDR3) /* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */ -static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode_2(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, const unsigned int unq_mrs_en) @@ -1013,7 +1022,7 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, unsigned int rtt_wr = 0; /* Rtt_WR - dynamic ODT off */ unsigned int srt = 0; /* self-refresh temerature, normal range */ unsigned int asr = 0; /* auto self-refresh disable */ - unsigned int cwl = compute_cas_write_latency() - 5; + unsigned int cwl = compute_cas_write_latency(ctrl_num) - 5; unsigned int pasr = 0; /* partial array self refresh disable */ if (popts->rtt_override) @@ -1077,7 +1086,8 @@ static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, #else /* for DDR2 and DDR1 */ /* DDR SDRAM Mode configuration 2 (DDR_SDRAM_MODE_2) */ -static void set_ddr_sdram_mode_2(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode_2(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, const unsigned int unq_mrs_en) @@ -1144,7 +1154,8 @@ static void set_ddr_sdram_mode_9(fsl_ddr_cfg_regs_t *ddr, } /* DDR SDRAM Mode configuration 10 (DDR_SDRAM_MODE_10) */ -static void set_ddr_sdram_mode_10(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode_10(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, const unsigned int unq_mrs_en) @@ -1152,7 +1163,7 @@ static void set_ddr_sdram_mode_10(fsl_ddr_cfg_regs_t *ddr, int i; unsigned short esdmode6 = 0; /* Extended SDRAM mode 6 */ unsigned short esdmode7 = 0; /* Extended SDRAM mode 7 */ - unsigned int tccdl_min = picos_to_mclk(common_dimm->tccdl_ps); + unsigned int tccdl_min = picos_to_mclk(ctrl_num, common_dimm->tccdl_ps); esdmode6 = ((tccdl_min - 4) & 0x7) << 10; @@ -1196,14 +1207,15 @@ static void set_ddr_sdram_mode_10(fsl_ddr_cfg_regs_t *ddr, #endif /* DDR SDRAM Interval Configuration (DDR_SDRAM_INTERVAL) */ -static void set_ddr_sdram_interval(fsl_ddr_cfg_regs_t *ddr, - const memctl_options_t *popts, - const common_timing_params_t *common_dimm) +static void set_ddr_sdram_interval(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, + const memctl_options_t *popts, + const common_timing_params_t *common_dimm) { unsigned int refint; /* Refresh interval */ unsigned int bstopre; /* Precharge interval */ - refint = picos_to_mclk(common_dimm->refresh_rate_ps); + refint = picos_to_mclk(ctrl_num, common_dimm->refresh_rate_ps); bstopre = popts->bstopre; @@ -1217,7 +1229,8 @@ static void set_ddr_sdram_interval(fsl_ddr_cfg_regs_t *ddr, #ifdef CONFIG_SYS_FSL_DDR4 /* DDR SDRAM Mode configuration set (DDR_SDRAM_MODE) */ -static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, unsigned int cas_latency, @@ -1292,7 +1305,7 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, * 1=fast exit DLL on (tXP) */ - wr_mclk = picos_to_mclk(common_dimm->twr_ps); + wr_mclk = picos_to_mclk(ctrl_num, common_dimm->twr_ps); if (wr_mclk <= 24) { wr = wr_table[wr_mclk - 10]; } else { @@ -1387,7 +1400,8 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, #elif defined(CONFIG_SYS_FSL_DDR3) /* DDR SDRAM Mode configuration set (DDR_SDRAM_MODE) */ -static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, unsigned int cas_latency, @@ -1466,7 +1480,7 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, */ dll_on = 1; - wr_mclk = picos_to_mclk(common_dimm->twr_ps); + wr_mclk = picos_to_mclk(ctrl_num, common_dimm->twr_ps); if (wr_mclk <= 16) { wr = wr_table[wr_mclk - 5]; } else { @@ -1582,7 +1596,8 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, #else /* !CONFIG_SYS_FSL_DDR3 */ /* DDR SDRAM Mode configuration set (DDR_SDRAM_MODE) */ -static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, +static void set_ddr_sdram_mode(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, unsigned int cas_latency, @@ -1654,7 +1669,7 @@ static void set_ddr_sdram_mode(fsl_ddr_cfg_regs_t *ddr, #if defined(CONFIG_SYS_FSL_DDR1) wr = 0; /* Historical */ #elif defined(CONFIG_SYS_FSL_DDR2) - wr = picos_to_mclk(common_dimm->twr_ps); + wr = picos_to_mclk(ctrl_num, common_dimm->twr_ps); #endif dll_res = 0; mode = 0; @@ -1842,15 +1857,16 @@ static void set_timing_cfg_6(fsl_ddr_cfg_regs_t *ddr) debug("FSLDDR: timing_cfg_6 = 0x%08x\n", ddr->timing_cfg_6); } -static void set_timing_cfg_7(fsl_ddr_cfg_regs_t *ddr, - const common_timing_params_t *common_dimm) +static void set_timing_cfg_7(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, + const common_timing_params_t *common_dimm) { unsigned int txpr, tcksre, tcksrx; unsigned int cke_rst, cksre, cksrx, par_lat, cs_to_cmd; - txpr = max(5U, picos_to_mclk(common_dimm->trfc1_ps + 10000)); - tcksre = max(5U, picos_to_mclk(10000)); - tcksrx = max(5U, picos_to_mclk(10000)); + txpr = max(5U, picos_to_mclk(ctrl_num, common_dimm->trfc1_ps + 10000)); + tcksre = max(5U, picos_to_mclk(ctrl_num, 10000)); + tcksrx = max(5U, picos_to_mclk(ctrl_num, 10000)); par_lat = 0; cs_to_cmd = 0; @@ -1883,14 +1899,15 @@ static void set_timing_cfg_7(fsl_ddr_cfg_regs_t *ddr, debug("FSLDDR: timing_cfg_7 = 0x%08x\n", ddr->timing_cfg_7); } -static void set_timing_cfg_8(fsl_ddr_cfg_regs_t *ddr, +static void set_timing_cfg_8(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts, const common_timing_params_t *common_dimm, unsigned int cas_latency) { unsigned int rwt_bg, wrt_bg, rrt_bg, wwt_bg; unsigned int acttoact_bg, wrtord_bg, pre_all_rec; - unsigned int tccdl = picos_to_mclk(common_dimm->tccdl_ps); + unsigned int tccdl = picos_to_mclk(ctrl_num, common_dimm->tccdl_ps); unsigned int wr_lat = ((ddr->timing_cfg_2 & 0x00780000) >> 19) + ((ddr->timing_cfg_2 & 0x00040000) >> 14); @@ -1911,11 +1928,11 @@ static void set_timing_cfg_8(fsl_ddr_cfg_regs_t *ddr, wwt_bg = tccdl - 4; } else { rrt_bg = tccdl - 2; - wwt_bg = tccdl - 4; + wwt_bg = tccdl - 2; } - acttoact_bg = picos_to_mclk(common_dimm->trrdl_ps); - wrtord_bg = max(4U, picos_to_mclk(7500)); + acttoact_bg = picos_to_mclk(ctrl_num, common_dimm->trrdl_ps); + wrtord_bg = max(4U, picos_to_mclk(ctrl_num, 7500)); if (popts->otf_burst_chop_en) wrtord_bg += 2; @@ -2147,7 +2164,8 @@ check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr) } unsigned int -compute_fsl_memctl_config_regs(const memctl_options_t *popts, +compute_fsl_memctl_config_regs(const unsigned int ctrl_num, + const memctl_options_t *popts, fsl_ddr_cfg_regs_t *ddr, const common_timing_params_t *common_dimm, const dimm_params_t *dimm_params, @@ -2319,14 +2337,14 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, set_ddr_eor(ddr, popts); #if !defined(CONFIG_SYS_FSL_DDR1) - set_timing_cfg_0(ddr, popts, dimm_params); + set_timing_cfg_0(ctrl_num, ddr, popts, dimm_params); #endif - set_timing_cfg_3(ddr, popts, common_dimm, cas_latency, + set_timing_cfg_3(ctrl_num, ddr, popts, common_dimm, cas_latency, additive_latency); - set_timing_cfg_1(ddr, popts, common_dimm, cas_latency); - set_timing_cfg_2(ddr, popts, common_dimm, - cas_latency, additive_latency); + set_timing_cfg_1(ctrl_num, ddr, popts, common_dimm, cas_latency); + set_timing_cfg_2(ctrl_num, ddr, popts, common_dimm, + cas_latency, additive_latency); set_ddr_cdr1(ddr, popts); set_ddr_cdr2(ddr, popts); @@ -2338,15 +2356,15 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, if ((ip_rev > 0x40700) && (popts->cswl_override != 0)) ddr->debug[18] = popts->cswl_override; - set_ddr_sdram_cfg_2(ddr, popts, unq_mrs_en); - set_ddr_sdram_mode(ddr, popts, common_dimm, - cas_latency, additive_latency, unq_mrs_en); - set_ddr_sdram_mode_2(ddr, popts, common_dimm, unq_mrs_en); + set_ddr_sdram_cfg_2(ctrl_num, ddr, popts, unq_mrs_en); + set_ddr_sdram_mode(ctrl_num, ddr, popts, common_dimm, + cas_latency, additive_latency, unq_mrs_en); + set_ddr_sdram_mode_2(ctrl_num, ddr, popts, common_dimm, unq_mrs_en); #ifdef CONFIG_SYS_FSL_DDR4 set_ddr_sdram_mode_9(ddr, popts, common_dimm, unq_mrs_en); - set_ddr_sdram_mode_10(ddr, popts, common_dimm, unq_mrs_en); + set_ddr_sdram_mode_10(ctrl_num, ddr, popts, common_dimm, unq_mrs_en); #endif - set_ddr_sdram_interval(ddr, popts, common_dimm); + set_ddr_sdram_interval(ctrl_num, ddr, popts, common_dimm); set_ddr_data_init(ddr); set_ddr_sdram_clk_cntl(ddr, popts); set_ddr_init_addr(ddr); @@ -2356,8 +2374,8 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, #ifdef CONFIG_SYS_FSL_DDR4 set_ddr_sdram_cfg_3(ddr, popts); set_timing_cfg_6(ddr); - set_timing_cfg_7(ddr, common_dimm); - set_timing_cfg_8(ddr, popts, common_dimm, cas_latency); + set_timing_cfg_7(ctrl_num, ddr, common_dimm); + set_timing_cfg_8(ctrl_num, ddr, popts, common_dimm, cas_latency); set_timing_cfg_9(ddr); set_ddr_dq_mapping(ddr, dimm_params); #endif @@ -2372,7 +2390,11 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, #ifdef CONFIG_SYS_FSL_DDR_EMU /* disble DDR training for emulator */ ddr->debug[2] = 0x00000400; - ddr->debug[4] = 0xff800000; + ddr->debug[4] = 0xff800800; + ddr->debug[5] = 0x08000800; + ddr->debug[6] = 0x08000800; + ddr->debug[7] = 0x08000800; + ddr->debug[8] = 0x08000800; #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A004508 if ((ip_rev >= 0x40000) && (ip_rev < 0x40400)) diff --git a/drivers/ddr/fsl/ddr1_dimm_params.c b/drivers/ddr/fsl/ddr1_dimm_params.c index 7df27b9..7f1c3af 100644 --- a/drivers/ddr/fsl/ddr1_dimm_params.c +++ b/drivers/ddr/fsl/ddr1_dimm_params.c @@ -228,10 +228,10 @@ compute_derated_DDR1_CAS_latency(unsigned int mclk_ps) * * FIXME: use #define for the retvals */ -unsigned int -ddr_compute_dimm_parameters(const ddr1_spd_eeprom_t *spd, - dimm_params_t *pdimm, - unsigned int dimm_number) +unsigned int ddr_compute_dimm_parameters(const unsigned int ctrl_num, + const ddr1_spd_eeprom_t *spd, + dimm_params_t *pdimm, + unsigned int dimm_number) { unsigned int retval; @@ -311,16 +311,16 @@ ddr_compute_dimm_parameters(const ddr1_spd_eeprom_t *spd, & ~(1 << pdimm->caslat_x_minus_1)); /* Compute CAS latencies below that defined by SPD */ - pdimm->caslat_lowest_derated - = compute_derated_DDR1_CAS_latency(get_memory_clk_period_ps()); + pdimm->caslat_lowest_derated = compute_derated_DDR1_CAS_latency( + get_memory_clk_period_ps(ctrl_num)); /* Compute timing parameters */ pdimm->trcd_ps = spd->trcd * 250; pdimm->trp_ps = spd->trp * 250; pdimm->tras_ps = spd->tras * 1000; - pdimm->twr_ps = mclk_to_picos(3); - pdimm->twtr_ps = mclk_to_picos(1); + pdimm->twr_ps = mclk_to_picos(ctrl_num, 3); + pdimm->twtr_ps = mclk_to_picos(ctrl_num, 1); pdimm->trfc_ps = compute_trfc_ps_from_spd(0, spd->trfc); pdimm->trrd_ps = spd->trrd * 250; @@ -335,7 +335,7 @@ ddr_compute_dimm_parameters(const ddr1_spd_eeprom_t *spd, pdimm->tdh_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->data_hold); - pdimm->trtp_ps = mclk_to_picos(2); /* By the book. */ + pdimm->trtp_ps = mclk_to_picos(ctrl_num, 2); /* By the book. */ pdimm->tdqsq_max_ps = spd->tdqsq * 10; pdimm->tqhs_ps = spd->tqhs * 10; diff --git a/drivers/ddr/fsl/ddr2_dimm_params.c b/drivers/ddr/fsl/ddr2_dimm_params.c index d865df7..49cc1a0 100644 --- a/drivers/ddr/fsl/ddr2_dimm_params.c +++ b/drivers/ddr/fsl/ddr2_dimm_params.c @@ -211,10 +211,10 @@ compute_derated_DDR2_CAS_latency(unsigned int mclk_ps) * * FIXME: use #define for the retvals */ -unsigned int -ddr_compute_dimm_parameters(const ddr2_spd_eeprom_t *spd, - dimm_params_t *pdimm, - unsigned int dimm_number) +unsigned int ddr_compute_dimm_parameters(const unsigned int ctrl_num, + const ddr2_spd_eeprom_t *spd, + dimm_params_t *pdimm, + unsigned int dimm_number) { unsigned int retval; @@ -310,8 +310,8 @@ ddr_compute_dimm_parameters(const ddr2_spd_eeprom_t *spd, & ~(1 << pdimm->caslat_x_minus_1)); /* Compute CAS latencies below that defined by SPD */ - pdimm->caslat_lowest_derated - = compute_derated_DDR2_CAS_latency(get_memory_clk_period_ps()); + pdimm->caslat_lowest_derated = compute_derated_DDR2_CAS_latency( + get_memory_clk_period_ps(ctrl_num)); /* Compute timing parameters */ pdimm->trcd_ps = spd->trcd * 250; diff --git a/drivers/ddr/fsl/ddr3_dimm_params.c b/drivers/ddr/fsl/ddr3_dimm_params.c index a4b8c10..6917715 100644 --- a/drivers/ddr/fsl/ddr3_dimm_params.c +++ b/drivers/ddr/fsl/ddr3_dimm_params.c @@ -83,10 +83,10 @@ compute_ranksize(const ddr3_spd_eeprom_t *spd) * Writes the results to the dimm_params_t structure pointed by pdimm. * */ -unsigned int -ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, - dimm_params_t *pdimm, - unsigned int dimm_number) +unsigned int ddr_compute_dimm_parameters(const unsigned int ctrl_num, + const ddr3_spd_eeprom_t *spd, + dimm_params_t *pdimm, + unsigned int dimm_number) { unsigned int retval; unsigned int mtb_ps; diff --git a/drivers/ddr/fsl/ddr4_dimm_params.c b/drivers/ddr/fsl/ddr4_dimm_params.c index aaddc8f..bbfb4ee 100644 --- a/drivers/ddr/fsl/ddr4_dimm_params.c +++ b/drivers/ddr/fsl/ddr4_dimm_params.c @@ -119,10 +119,10 @@ compute_ranksize(const struct ddr4_spd_eeprom_s *spd) * Writes the results to the dimm_params_t structure pointed by pdimm. * */ -unsigned int -ddr_compute_dimm_parameters(const generic_spd_eeprom_t *spd, - dimm_params_t *pdimm, - unsigned int dimm_number) +unsigned int ddr_compute_dimm_parameters(const unsigned int ctrl_num, + const generic_spd_eeprom_t *spd, + dimm_params_t *pdimm, + unsigned int dimm_number) { unsigned int retval; int i; diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index 4eef047..d9fce7d 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -32,24 +32,44 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, u32 temp_sdram_cfg; u32 total_gb_size_per_controller; int timeout; +#if defined(CONFIG_SYS_FSL_ERRATUM_A008336) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A008514) + u32 *eddrtqcr1; +#endif switch (ctrl_num) { case 0: ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; +#if defined(CONFIG_SYS_FSL_ERRATUM_A008336) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A008514) + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800; +#endif break; #if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 1) case 1: ddr = (void *)CONFIG_SYS_FSL_DDR2_ADDR; +#if defined(CONFIG_SYS_FSL_ERRATUM_A008336) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A008514) + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800; +#endif break; #endif #if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 2) case 2: ddr = (void *)CONFIG_SYS_FSL_DDR3_ADDR; +#if defined(CONFIG_SYS_FSL_ERRATUM_A008336) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A008514) + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800; +#endif break; #endif #if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 3) case 3: ddr = (void *)CONFIG_SYS_FSL_DDR4_ADDR; +#if defined(CONFIG_SYS_FSL_ERRATUM_A008336) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A008514) + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR4_ADDR + 0x800; +#endif break; #endif default: @@ -60,6 +80,20 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, if (step == 2) goto step2; +#ifdef CONFIG_SYS_FSL_ERRATUM_A008336 +#ifdef CONFIG_LS2085A + /* A008336 only applies to general DDR controllers */ + if ((ctrl_num == 0) || (ctrl_num == 1)) +#endif + ddr_out32(eddrtqcr1, 0x63b30002); +#endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A008514 +#ifdef CONFIG_LS2085A + /* A008514 only applies to DP-DDR controler */ + if (ctrl_num == 2) +#endif + ddr_out32(eddrtqcr1, 0x63b20002); +#endif if (regs->ddr_eor) ddr_out32(&ddr->eor, regs->ddr_eor); @@ -253,7 +287,7 @@ step2: bus_width = 3 - ((ddr_in32(&ddr->sdram_cfg) & SDRAM_CFG_DBW_MASK) >> SDRAM_CFG_DBW_SHIFT); timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 / - (get_ddr_freq(0) >> 20)) << 2; + (get_ddr_freq(ctrl_num) >> 20)) << 2; total_gb_size_per_controller >>= 4; /* shift down to gb size */ debug("total %d GB\n", total_gb_size_per_controller); debug("Need to wait up to %d * 10ms\n", timeout); diff --git a/drivers/ddr/fsl/lc_common_dimm_params.c b/drivers/ddr/fsl/lc_common_dimm_params.c index 73db444..b295344 100644 --- a/drivers/ddr/fsl/lc_common_dimm_params.c +++ b/drivers/ddr/fsl/lc_common_dimm_params.c @@ -13,7 +13,8 @@ #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4) static unsigned int -compute_cas_latency(const dimm_params_t *dimm_params, +compute_cas_latency(const unsigned int ctrl_num, + const dimm_params_t *dimm_params, common_timing_params_t *outpdimm, unsigned int number_of_dimms) { @@ -22,7 +23,7 @@ compute_cas_latency(const dimm_params_t *dimm_params, unsigned int caslat_actual; unsigned int retry = 16; unsigned int tmp; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); #ifdef CONFIG_SYS_FSL_DDR3 const unsigned int taamax = 20000; #else @@ -72,12 +73,13 @@ compute_cas_latency(const dimm_params_t *dimm_params, } #else /* for DDR1 and DDR2 */ static unsigned int -compute_cas_latency(const dimm_params_t *dimm_params, +compute_cas_latency(const unsigned int ctrl_num, + const dimm_params_t *dimm_params, common_timing_params_t *outpdimm, unsigned int number_of_dimms) { int i; - const unsigned int mclk_ps = get_memory_clk_period_ps(); + const unsigned int mclk_ps = get_memory_clk_period_ps(ctrl_num); unsigned int lowest_good_caslat; unsigned int not_ok; unsigned int temp1, temp2; @@ -212,7 +214,8 @@ compute_cas_latency(const dimm_params_t *dimm_params, * by dimm_params. */ unsigned int -compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, +compute_lowest_common_dimm_parameters(const unsigned int ctrl_num, + const dimm_params_t *dimm_params, common_timing_params_t *outpdimm, const unsigned int number_of_dimms) { @@ -442,7 +445,8 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, printf("ERROR: Mix different RDIMM detected!\n"); /* calculate cas latency for all DDR types */ - if (compute_cas_latency(dimm_params, outpdimm, number_of_dimms)) + if (compute_cas_latency(ctrl_num, dimm_params, + outpdimm, number_of_dimms)) return 1; /* Determine if all DIMMs ECC capable. */ @@ -518,11 +522,12 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, #if defined(CONFIG_SYS_FSL_DDR2) if ((outpdimm->lowest_common_spd_caslat < 4) && - (picos_to_mclk(trcd_ps) > outpdimm->lowest_common_spd_caslat)) { - additive_latency = picos_to_mclk(trcd_ps) - + (picos_to_mclk(ctrl_num, trcd_ps) > + outpdimm->lowest_common_spd_caslat)) { + additive_latency = picos_to_mclk(ctrl_num, trcd_ps) - outpdimm->lowest_common_spd_caslat; - if (mclk_to_picos(additive_latency) > trcd_ps) { - additive_latency = picos_to_mclk(trcd_ps); + if (mclk_to_picos(ctrl_num, additive_latency) > trcd_ps) { + additive_latency = picos_to_mclk(ctrl_num, trcd_ps); debug("setting additive_latency to %u because it was " " greater than tRCD_ps\n", additive_latency); } @@ -534,7 +539,7 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, * * AL <= tRCD(min) */ - if (mclk_to_picos(additive_latency) > trcd_ps) { + if (mclk_to_picos(ctrl_num, additive_latency) > trcd_ps) { printf("Error: invalid additive latency exceeds tRCD(min).\n"); return 1; } diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c index 6f291eb..b72b242 100644 --- a/drivers/ddr/fsl/main.c +++ b/drivers/ddr/fsl/main.c @@ -450,7 +450,8 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step, &(pinfo->spd_installed_dimms[i][j]); dimm_params_t *pdimm = &(pinfo->dimm_params[i][j]); - retval = compute_dimm_parameters(spd, pdimm, i); + retval = compute_dimm_parameters( + i, spd, pdimm, j); #ifdef CONFIG_SYS_DDR_RAW_TIMING if (!i && !j && retval) { printf("SPD error on controller %d! " @@ -507,10 +508,11 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step, for (i = first_ctrl; i <= last_ctrl; i++) { debug("Computing lowest common DIMM" " parameters for memctl=%u\n", i); - compute_lowest_common_dimm_parameters( - pinfo->dimm_params[i], - &timing_params[i], - CONFIG_DIMM_SLOTS_PER_CTLR); + compute_lowest_common_dimm_parameters + (i, + pinfo->dimm_params[i], + &timing_params[i], + CONFIG_DIMM_SLOTS_PER_CTLR); } case STEP_GATHER_OPTS: @@ -562,12 +564,13 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step, continue; } - compute_fsl_memctl_config_regs( - &pinfo->memctl_opts[i], - &ddr_reg[i], &timing_params[i], - pinfo->dimm_params[i], - dbw_capacity_adjust[i], - size_only); + compute_fsl_memctl_config_regs + (i, + &pinfo->memctl_opts[i], + &ddr_reg[i], &timing_params[i], + pinfo->dimm_params[i], + dbw_capacity_adjust[i], + size_only); } default: @@ -689,6 +692,10 @@ phys_size_t __fsl_ddr_sdram(fsl_ddr_info_t *pinfo) } } +#ifdef CONFIG_FSL_DDR_SYNC_REFRESH + fsl_ddr_sync_memctl_refresh(first_ctrl, last_ctrl); +#endif + #ifdef CONFIG_PPC /* program LAWs */ for (i = first_ctrl; i <= last_ctrl; i++) { diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c index 8f4d01a..6752d4d 100644 --- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c +++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c @@ -426,7 +426,7 @@ step2: bus_width = 3 - ((ddr->sdram_cfg & SDRAM_CFG_DBW_MASK) >> SDRAM_CFG_DBW_SHIFT); timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 / - (get_ddr_freq(0) >> 20)) << 1; + (get_ddr_freq(ctrl_num) >> 20)) << 1; #ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 timeout_save = timeout; #endif @@ -538,12 +538,14 @@ step2: case 1: out_be32(&ddr->cs1_bnds, regs->cs[csn].bnds); break; +#if CONFIG_CHIP_SELECTS_PER_CTRL > 2 case 2: out_be32(&ddr->cs2_bnds, regs->cs[csn].bnds); break; case 3: out_be32(&ddr->cs3_bnds, regs->cs[csn].bnds); break; +#endif } clrbits_be32(&ddr->sdram_cfg, 0x2); } diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c index 6d098d1..5beb11b 100644 --- a/drivers/ddr/fsl/options.c +++ b/drivers/ddr/fsl/options.c @@ -732,7 +732,7 @@ unsigned int populate_memctl_options(int all_dimms_registered, #endif /* Global Timing Parameters. */ - debug("mclk_ps = %u ps\n", get_memory_clk_period_ps()); + debug("mclk_ps = %u ps\n", get_memory_clk_period_ps(ctrl_num)); /* Pick a caslat override. */ popts->cas_latency_override = 0; @@ -785,7 +785,7 @@ unsigned int populate_memctl_options(int all_dimms_registered, * FIXME: width, was considering looking at pdimm->primary_sdram_width */ #if defined(CONFIG_SYS_FSL_DDR1) - popts->tfaw_window_four_activates_ps = mclk_to_picos(1); + popts->tfaw_window_four_activates_ps = mclk_to_picos(ctrl_num, 1); #elif defined(CONFIG_SYS_FSL_DDR2) /* @@ -1036,7 +1036,7 @@ done: if (pdimm[0].n_ranks == 4) popts->quad_rank_present = 1; - ddr_freq = get_ddr_freq(0) / 1000000; + ddr_freq = get_ddr_freq(ctrl_num) / 1000000; if (popts->registered_dimm_en) { popts->rcw_override = 1; popts->rcw_1 = 0x000a5a00; diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c index 58b519b..664081b 100644 --- a/drivers/ddr/fsl/util.c +++ b/drivers/ddr/fsl/util.c @@ -43,9 +43,9 @@ u32 fsl_ddr_get_version(void) * propagation, compute a suitably rounded mclk_ps to compute * a working memory controller configuration. */ -unsigned int get_memory_clk_period_ps(void) +unsigned int get_memory_clk_period_ps(const unsigned int ctrl_num) { - unsigned int data_rate = get_ddr_freq(0); + unsigned int data_rate = get_ddr_freq(ctrl_num); unsigned int result; /* Round to nearest 10ps, being careful about 64-bit multiply/divide */ @@ -59,10 +59,10 @@ unsigned int get_memory_clk_period_ps(void) } /* Convert picoseconds into DRAM clock cycles (rounding up if needed). */ -unsigned int picos_to_mclk(unsigned int picos) +unsigned int picos_to_mclk(const unsigned int ctrl_num, unsigned int picos) { unsigned long long clks, clks_rem; - unsigned long data_rate = get_ddr_freq(0); + unsigned long data_rate = get_ddr_freq(ctrl_num); /* Short circuit for zero picos */ if (!picos) @@ -88,9 +88,9 @@ unsigned int picos_to_mclk(unsigned int picos) return (unsigned int) clks; } -unsigned int mclk_to_picos(unsigned int mclk) +unsigned int mclk_to_picos(const unsigned int ctrl_num, unsigned int mclk) { - return get_memory_clk_period_ps() * mclk; + return get_memory_clk_period_ps(ctrl_num) * mclk; } #ifdef CONFIG_PPC @@ -308,3 +308,58 @@ void board_add_ram_info(int use_default) { detail_board_ddr_info(); } + +#ifdef CONFIG_FSL_DDR_SYNC_REFRESH +#define DDRC_DEBUG20_INIT_DONE 0x80000000 +#define DDRC_DEBUG2_RF 0x00000040 +void fsl_ddr_sync_memctl_refresh(unsigned int first_ctrl, + unsigned int last_ctrl) +{ + unsigned int i; + u32 ddrc_debug20; + u32 ddrc_debug2[CONFIG_NUM_DDR_CONTROLLERS] = {}; + u32 *ddrc_debug2_p[CONFIG_NUM_DDR_CONTROLLERS] = {}; + struct ccsr_ddr __iomem *ddr; + + for (i = first_ctrl; i <= last_ctrl; i++) { + switch (i) { + case 0: + ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; + break; +#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 1) + case 1: + ddr = (void *)CONFIG_SYS_FSL_DDR2_ADDR; + break; +#endif +#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 2) + case 2: + ddr = (void *)CONFIG_SYS_FSL_DDR3_ADDR; + break; +#endif +#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 3) + case 3: + ddr = (void *)CONFIG_SYS_FSL_DDR4_ADDR; + break; +#endif + default: + printf("%s unexpected ctrl = %u\n", __func__, i); + return; + } + ddrc_debug20 = ddr_in32(&ddr->debug[19]); + ddrc_debug2_p[i] = &ddr->debug[1]; + while (!(ddrc_debug20 & DDRC_DEBUG20_INIT_DONE)) { + /* keep polling until DDRC init is done */ + udelay(100); + ddrc_debug20 = ddr_in32(&ddr->debug[19]); + } + ddrc_debug2[i] = ddr_in32(&ddr->debug[1]) | DDRC_DEBUG2_RF; + } + /* + * Sync refresh + * This is put together to make sure the refresh reqeusts are sent + * closely to each other. + */ + for (i = first_ctrl; i <= last_ctrl; i++) + ddr_out32(ddrc_debug2_p[i], ddrc_debug2[i]); +} +#endif /* CONFIG_FSL_DDR_SYNC_REFRESH */ |