diff options
Diffstat (limited to 'drivers/ddr/marvell/a38x/mv_ddr_topology.c')
-rw-r--r-- | drivers/ddr/marvell/a38x/mv_ddr_topology.c | 215 |
1 files changed, 181 insertions, 34 deletions
diff --git a/drivers/ddr/marvell/a38x/mv_ddr_topology.c b/drivers/ddr/marvell/a38x/mv_ddr_topology.c index f56ce06770..ef3b658a78 100644 --- a/drivers/ddr/marvell/a38x/mv_ddr_topology.c +++ b/drivers/ddr/marvell/a38x/mv_ddr_topology.c @@ -2,15 +2,16 @@ /* * Copyright (C) Marvell International Ltd. and its affiliates */ +#include "ddr_ml_wrapper.h" +#include "mv_ddr_plat.h" #include "mv_ddr_topology.h" #include "mv_ddr_common.h" #include "mv_ddr_spd.h" -#include "ddr3_init.h" #include "ddr_topology_def.h" #include "ddr3_training_ip_db.h" #include "ddr3_training_ip.h" - +#include "mv_ddr_training_db.h" unsigned int mv_ddr_cl_calc(unsigned int taa_min, unsigned int tclk) { @@ -32,54 +33,57 @@ unsigned int mv_ddr_cwl_calc(unsigned int tclk) cwl = 11; else if (tclk >= 833) cwl = 12; + else if (tclk >= 750) + cwl = 14; + else if (tclk >= 625) + cwl = 16; else cwl = 0; return cwl; } -struct mv_ddr_topology_map *mv_ddr_topology_map_update(void) +int mv_ddr_topology_map_update(void) { struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + struct if_params *iface_params = &(tm->interface_params[0]); unsigned int octets_per_if_num = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE); - enum hws_speed_bin speed_bin_index; - enum hws_ddr_freq freq = DDR_FREQ_LAST; + enum mv_ddr_speed_bin speed_bin_index; + enum mv_ddr_freq freq = MV_DDR_FREQ_LAST; unsigned int tclk; unsigned char val = 0; int i; - - if (tm->interface_params[0].memory_freq == DDR_FREQ_SAR) - tm->interface_params[0].memory_freq = mv_ddr_init_freq_get(); + if (iface_params->memory_freq == MV_DDR_FREQ_SAR) + iface_params->memory_freq = mv_ddr_init_freq_get(); if (tm->cfg_src == MV_DDR_CFG_SPD) { /* check dram device type */ val = mv_ddr_spd_dev_type_get(&tm->spd_data); if (val != MV_DDR_SPD_DEV_TYPE_DDR4) { printf("mv_ddr: unsupported dram device type found\n"); - return NULL; + return -1; } /* update topology map with timing data */ if (mv_ddr_spd_timing_calc(&tm->spd_data, tm->timing_data) > 0) { printf("mv_ddr: negative timing data found\n"); - return NULL; + return -1; } /* update device width in topology map */ - tm->interface_params[0].bus_width = mv_ddr_spd_dev_width_get(&tm->spd_data); + iface_params->bus_width = mv_ddr_spd_dev_width_get(&tm->spd_data); /* update die capacity in topology map */ - tm->interface_params[0].memory_size = mv_ddr_spd_die_capacity_get(&tm->spd_data); + iface_params->memory_size = mv_ddr_spd_die_capacity_get(&tm->spd_data); /* update bus bit mask in topology map */ tm->bus_act_mask = mv_ddr_bus_bit_mask_get(); /* update cs bit mask in topology map */ val = mv_ddr_spd_cs_bit_mask_get(&tm->spd_data); - for (i = 0; i < octets_per_if_num; i++) { - tm->interface_params[0].as_bus_params[i].cs_bitmask = val; - } + for (i = 0; i < octets_per_if_num; i++) + iface_params->as_bus_params[i].cs_bitmask = val; /* check dram module type */ val = mv_ddr_spd_module_type_get(&tm->spd_data); @@ -93,48 +97,44 @@ struct mv_ddr_topology_map *mv_ddr_topology_map_update(void) break; default: printf("mv_ddr: unsupported dram module type found\n"); - return NULL; + return -1; } /* update mirror bit mask in topology map */ val = mv_ddr_spd_mem_mirror_get(&tm->spd_data); - for (i = 0; i < octets_per_if_num; i++) { - tm->interface_params[0].as_bus_params[i].mirror_enable_bitmask = val << 1; - } + for (i = 0; i < octets_per_if_num; i++) + iface_params->as_bus_params[i].mirror_enable_bitmask = val << 1; - tclk = 1000000 / freq_val[tm->interface_params[0].memory_freq]; + tclk = 1000000 / mv_ddr_freq_get(iface_params->memory_freq); /* update cas write latency (cwl) */ val = mv_ddr_cwl_calc(tclk); if (val == 0) { printf("mv_ddr: unsupported cas write latency value found\n"); - return NULL; + return -1; } - tm->interface_params[0].cas_wl = val; + iface_params->cas_wl = val; /* update cas latency (cl) */ mv_ddr_spd_supported_cls_calc(&tm->spd_data); val = mv_ddr_cl_calc(tm->timing_data[MV_DDR_TAA_MIN], tclk); if (val == 0) { printf("mv_ddr: unsupported cas latency value found\n"); - return NULL; + return -1; } - tm->interface_params[0].cas_l = val; + iface_params->cas_l = val; } else if (tm->cfg_src == MV_DDR_CFG_DEFAULT) { /* set cas and cas-write latencies per speed bin, if they unset */ - speed_bin_index = tm->interface_params[0].speed_bin_index; - freq = tm->interface_params[0].memory_freq; + speed_bin_index = iface_params->speed_bin_index; + freq = iface_params->memory_freq; - if (tm->interface_params[0].cas_l == 0) - tm->interface_params[0].cas_l = - cas_latency_table[speed_bin_index].cl_val[freq]; + if (iface_params->cas_l == 0) + iface_params->cas_l = mv_ddr_cl_val_get(speed_bin_index, freq); - if (tm->interface_params[0].cas_wl == 0) - tm->interface_params[0].cas_wl = - cas_write_latency_table[speed_bin_index].cl_val[freq]; + if (iface_params->cas_wl == 0) + iface_params->cas_wl = mv_ddr_cwl_val_get(speed_bin_index, freq); } - - return tm; + return 0; } unsigned short mv_ddr_bus_bit_mask_get(void) @@ -195,3 +195,150 @@ unsigned int mv_ddr_if_bus_width_get(void) return bus_width; } + +unsigned int mv_ddr_cs_num_get(void) +{ + unsigned int cs_num = 0; + unsigned int cs, sphy; + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + struct if_params *iface_params = &(tm->interface_params[0]); + unsigned int sphy_max = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE); + + for (sphy = 0; sphy < sphy_max; sphy++) { + VALIDATE_BUS_ACTIVE(tm->bus_act_mask, sphy); + break; + } + + for (cs = 0; cs < MAX_CS_NUM; cs++) { + VALIDATE_ACTIVE(iface_params->as_bus_params[sphy].cs_bitmask, cs); + cs_num++; + } + + return cs_num; +} + +int mv_ddr_is_ecc_ena(void) +{ + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + + if (DDR3_IS_ECC_PUP4_MODE(tm->bus_act_mask) || + DDR3_IS_ECC_PUP3_MODE(tm->bus_act_mask) || + DDR3_IS_ECC_PUP8_MODE(tm->bus_act_mask)) + return 1; + else + return 0; +} + +/* translate topology map definition to real memory size in bits */ +static unsigned int mem_size[] = { + ADDR_SIZE_512MB, + ADDR_SIZE_1GB, + ADDR_SIZE_2GB, + ADDR_SIZE_4GB, + ADDR_SIZE_8GB + /* TODO: add capacity up to 256GB */ +}; + +unsigned long long mv_ddr_mem_sz_per_cs_get(void) +{ + unsigned long long mem_sz_per_cs; + unsigned int i, sphys, sphys_per_dunit; + unsigned int sphy_max = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE); + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + struct if_params *iface_params = &(tm->interface_params[0]); + + /* calc number of active subphys excl. ecc one */ + for (i = 0, sphys = 0; i < sphy_max - 1; i++) { + VALIDATE_BUS_ACTIVE(tm->bus_act_mask, i); + sphys++; + } + + /* calc number of subphys per ddr unit */ + if (iface_params->bus_width == MV_DDR_DEV_WIDTH_8BIT) + sphys_per_dunit = MV_DDR_ONE_SPHY_PER_DUNIT; + else if (iface_params->bus_width == MV_DDR_DEV_WIDTH_16BIT) + sphys_per_dunit = MV_DDR_TWO_SPHY_PER_DUNIT; + else { + printf("mv_ddr: unsupported bus width type found\n"); + return 0; + } + + /* calc dram size per cs */ + mem_sz_per_cs = (unsigned long long)mem_size[iface_params->memory_size] * + (unsigned long long)sphys / + (unsigned long long)sphys_per_dunit; + + return mem_sz_per_cs; +} + +unsigned long long mv_ddr_mem_sz_get(void) +{ + unsigned long long tot_mem_sz = 0; + unsigned long long mem_sz_per_cs = 0; + unsigned long long max_cs = mv_ddr_cs_num_get(); + + mem_sz_per_cs = mv_ddr_mem_sz_per_cs_get(); + tot_mem_sz = max_cs * mem_sz_per_cs; + + return tot_mem_sz; +} + +unsigned int mv_ddr_rtt_nom_get(void) +{ + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + unsigned int rtt_nom = tm->edata.mem_edata.rtt_nom; + + if (rtt_nom >= MV_DDR_RTT_NOM_PARK_RZQ_LAST) { + printf("error: %s: unsupported rtt_nom parameter found\n", __func__); + rtt_nom = PARAM_UNDEFINED; + } + + return rtt_nom; +} + +unsigned int mv_ddr_rtt_park_get(void) +{ + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + unsigned int cs_num = mv_ddr_cs_num_get(); + unsigned int rtt_park = MV_DDR_RTT_NOM_PARK_RZQ_LAST; + + if (cs_num > 0 && cs_num <= MAX_CS_NUM) + rtt_park = tm->edata.mem_edata.rtt_park[cs_num - 1]; + + if (rtt_park >= MV_DDR_RTT_NOM_PARK_RZQ_LAST) { + printf("error: %s: unsupported rtt_park parameter found\n", __func__); + rtt_park = PARAM_UNDEFINED; + } + + return rtt_park; +} + +unsigned int mv_ddr_rtt_wr_get(void) +{ + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + unsigned int cs_num = mv_ddr_cs_num_get(); + unsigned int rtt_wr = MV_DDR_RTT_WR_RZQ_LAST; + + if (cs_num > 0 && cs_num <= MAX_CS_NUM) + rtt_wr = tm->edata.mem_edata.rtt_wr[cs_num - 1]; + + if (rtt_wr >= MV_DDR_RTT_WR_RZQ_LAST) { + printf("error: %s: unsupported rtt_wr parameter found\n", __func__); + rtt_wr = PARAM_UNDEFINED; + } + + return rtt_wr; +} + +unsigned int mv_ddr_dic_get(void) +{ + struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); + unsigned int dic = tm->edata.mem_edata.dic; + + if (dic >= MV_DDR_DIC_RZQ_LAST) { + printf("error: %s: unsupported dic parameter found\n", __func__); + dic = PARAM_UNDEFINED; + } + + return dic; +} |