diff options
Diffstat (limited to 'drivers/ddr/fsl/ctrl_regs.c')
-rw-r--r-- | drivers/ddr/fsl/ctrl_regs.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 33adfb1f06..bcab9046ad 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -1,5 +1,6 @@ /* - * Copyright 2008-2014 Freescale Semiconductor, Inc. + * Copyright 2008-2016 Freescale Semiconductor, Inc. + * Copyright 2017-2018 NXP Semiconductor * * SPDX-License-Identifier: GPL-2.0+ */ @@ -492,7 +493,7 @@ static void set_timing_cfg_3(const unsigned int ctrl_num, | ((ext_pretoact & 0x1) << 28) | ((ext_acttopre & 0x3) << 24) | ((ext_acttorw & 0x1) << 22) - | ((ext_refrec & 0x1F) << 16) + | ((ext_refrec & 0x3F) << 16) | ((ext_caslat & 0x3) << 12) | ((ext_add_lat & 0x1) << 10) | ((ext_wrrec & 0x1) << 8) @@ -885,7 +886,7 @@ static void set_ddr_sdram_cfg_2(const unsigned int ctrl_num, } } sr_ie = popts->self_refresh_interrupt_en; - num_pr = 1; /* Make this configurable */ + num_pr = popts->package_3ds + 1; /* * 8572 manual says @@ -1193,7 +1194,7 @@ static void set_ddr_sdram_mode_9(fsl_ddr_cfg_regs_t *ddr, * need 0x500 to park. */ - debug("FSLDDR: ddr_sdram_mode_9) = 0x%08x\n", ddr->ddr_sdram_mode_9); + debug("FSLDDR: ddr_sdram_mode_9 = 0x%08x\n", ddr->ddr_sdram_mode_9); if (unq_mrs_en) { /* unique mode registers are supported */ for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { if (!rtt_park && @@ -1270,7 +1271,7 @@ static void set_ddr_sdram_mode_10(const unsigned int ctrl_num, | ((esdmode6 & 0xffff) << 16) | ((esdmode7 & 0xffff) << 0) ); - debug("FSLDDR: ddr_sdram_mode_10) = 0x%08x\n", ddr->ddr_sdram_mode_10); + debug("FSLDDR: ddr_sdram_mode_10 = 0x%08x\n", ddr->ddr_sdram_mode_10); if (unq_mrs_en) { /* unique mode registers are supported */ for (i = 1; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { switch (i) { @@ -1992,7 +1993,7 @@ static void set_timing_cfg_7(const unsigned int ctrl_num, if (ddr->ddr_sdram_cfg_2 & SDRAM_CFG2_AP_EN && CONFIG_FSL_SDRAM_TYPE == SDRAM_TYPE_DDR4) { /* for DDR4 only */ - par_lat = (popts->rcw_2 & 0xf) + 1; + par_lat = (ddr->ddr_sdram_rcw_2 & 0xf) + 1; debug("PAR_LAT = %u for mclk_ps = %d\n", par_lat, mclk_ps); } @@ -2079,9 +2080,23 @@ static void set_timing_cfg_8(const unsigned int ctrl_num, debug("FSLDDR: timing_cfg_8 = 0x%08x\n", ddr->timing_cfg_8); } -static void set_timing_cfg_9(fsl_ddr_cfg_regs_t *ddr) +static void set_timing_cfg_9(const unsigned int ctrl_num, + fsl_ddr_cfg_regs_t *ddr, + const memctl_options_t *popts, + const common_timing_params_t *common_dimm) { - ddr->timing_cfg_9 = 0; + unsigned int refrec_cid_mclk = 0; + unsigned int acttoact_cid_mclk = 0; + + if (popts->package_3ds) { + refrec_cid_mclk = + picos_to_mclk(ctrl_num, common_dimm->trfc_slr_ps); + acttoact_cid_mclk = 4U; /* tRRDS_slr */ + } + + ddr->timing_cfg_9 = (refrec_cid_mclk & 0x3ff) << 16 | + (acttoact_cid_mclk & 0xf) << 8; + debug("FSLDDR: timing_cfg_9 = 0x%08x\n", ddr->timing_cfg_9); } @@ -2142,6 +2157,16 @@ static void set_ddr_sdram_cfg_3(fsl_ddr_cfg_regs_t *ddr, /* Disable MRS on parity error for RDIMMs */ ddr->ddr_sdram_cfg_3 |= popts->registered_dimm_en ? 1 : 0; + if (popts->package_3ds) { /* only 2,4,8 are supported */ + if ((popts->package_3ds + 1) & 0x1) { + printf("Error: Unsupported 3DS DIMM with %d die\n", + popts->package_3ds + 1); + } else { + ddr->ddr_sdram_cfg_3 |= ((popts->package_3ds + 1) >> 1) + << 4; + } + } + debug("FSLDDR: ddr_sdram_cfg_3 = 0x%08x\n", ddr->ddr_sdram_cfg_3); } #endif /* CONFIG_SYS_FSL_DDR4 */ @@ -2548,7 +2573,7 @@ compute_fsl_memctl_config_regs(const unsigned int ctrl_num, set_timing_cfg_6(ddr); set_timing_cfg_7(ctrl_num, ddr, popts, common_dimm); set_timing_cfg_8(ctrl_num, ddr, popts, common_dimm, cas_latency); - set_timing_cfg_9(ddr); + set_timing_cfg_9(ctrl_num, ddr, popts, common_dimm); set_ddr_dq_mapping(ddr, dimm_params); #endif |