1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) Marvell International Ltd. and its affiliates 4 */ 5 6 #ifndef _MV_DDR_TOPOLOGY_H 7 #define _MV_DDR_TOPOLOGY_H 8 9 /* ddr bus masks */ 10 #define BUS_MASK_32BIT 0xf 11 #define BUS_MASK_32BIT_ECC 0x1f 12 #define BUS_MASK_16BIT 0x3 13 #define BUS_MASK_16BIT_ECC 0x13 14 #define BUS_MASK_16BIT_ECC_PUP3 0xb 15 #define MV_DDR_64BIT_BUS_MASK 0xff 16 #define MV_DDR_64BIT_ECC_PUP8_BUS_MASK 0x1ff 17 #define MV_DDR_32BIT_ECC_PUP8_BUS_MASK 0x10f 18 19 /* source of ddr configuration data */ 20 enum mv_ddr_cfg_src { 21 MV_DDR_CFG_DEFAULT, /* based on data in mv_ddr_topology_map structure */ 22 MV_DDR_CFG_SPD, /* based on data in spd */ 23 MV_DDR_CFG_USER, /* based on data from user */ 24 MV_DDR_CFG_STATIC, /* based on data from user in register-value format */ 25 MV_DDR_CFG_LAST 26 }; 27 28 enum mv_ddr_num_of_sub_phys_per_ddr_unit { 29 SINGLE_SUB_PHY = 1, 30 TWO_SUB_PHYS = 2 31 }; 32 33 enum mv_ddr_temperature { 34 MV_DDR_TEMP_LOW, 35 MV_DDR_TEMP_NORMAL, 36 MV_DDR_TEMP_HIGH 37 }; 38 39 enum mv_ddr_timing_data { 40 MV_DDR_TCK_AVG_MIN, /* sdram min cycle time (t ck avg min) */ 41 MV_DDR_TAA_MIN, /* min cas latency time (t aa min) */ 42 MV_DDR_TRFC1_MIN, /* min refresh recovery delay time (t rfc1 min) */ 43 MV_DDR_TWR_MIN, /* min write recovery time (t wr min) */ 44 MV_DDR_TRCD_MIN, /* min ras to cas delay time (t rcd min) */ 45 MV_DDR_TRP_MIN, /* min row precharge delay time (t rp min) */ 46 MV_DDR_TRC_MIN, /* min active to active/refresh delay time (t rc min) */ 47 MV_DDR_TRAS_MIN, /* min active to precharge delay time (t ras min) */ 48 MV_DDR_TRRD_S_MIN, /* min activate to activate delay time (t rrd_s min), diff bank group */ 49 MV_DDR_TRRD_L_MIN, /* min activate to activate delay time (t rrd_l min), same bank group */ 50 MV_DDR_TFAW_MIN, /* min four activate window delay time (t faw min) */ 51 MV_DDR_TWTR_S_MIN, /* min write to read time (t wtr s min), diff bank group */ 52 MV_DDR_TWTR_L_MIN, /* min write to read time (t wtr l min), same bank group */ 53 MV_DDR_TDATA_LAST 54 }; 55 56 enum mv_ddr_dev_width { /* sdram device width */ 57 MV_DDR_DEV_WIDTH_4BIT, 58 MV_DDR_DEV_WIDTH_8BIT, 59 MV_DDR_DEV_WIDTH_16BIT, 60 MV_DDR_DEV_WIDTH_32BIT, 61 MV_DDR_DEV_WIDTH_LAST 62 }; 63 64 enum mv_ddr_die_capacity { /* total sdram capacity per die, megabits */ 65 MV_DDR_DIE_CAP_256MBIT, 66 MV_DDR_DIE_CAP_512MBIT = 0, 67 MV_DDR_DIE_CAP_1GBIT, 68 MV_DDR_DIE_CAP_2GBIT, 69 MV_DDR_DIE_CAP_4GBIT, 70 MV_DDR_DIE_CAP_8GBIT, 71 MV_DDR_DIE_CAP_16GBIT, 72 MV_DDR_DIE_CAP_32GBIT, 73 MV_DDR_DIE_CAP_12GBIT, 74 MV_DDR_DIE_CAP_24GBIT, 75 MV_DDR_DIE_CAP_LAST 76 }; 77 78 enum mv_ddr_pkg_rank { /* number of package ranks per dimm */ 79 MV_DDR_PKG_RANK_1, 80 MV_DDR_PKG_RANK_2, 81 MV_DDR_PKG_RANK_3, 82 MV_DDR_PKG_RANK_4, 83 MV_DDR_PKG_RANK_5, 84 MV_DDR_PKG_RANK_6, 85 MV_DDR_PKG_RANK_7, 86 MV_DDR_PKG_RANK_8, 87 MV_DDR_PKG_RANK_LAST 88 }; 89 90 enum mv_ddr_pri_bus_width { /* number of primary bus width bits */ 91 MV_DDR_PRI_BUS_WIDTH_8, 92 MV_DDR_PRI_BUS_WIDTH_16, 93 MV_DDR_PRI_BUS_WIDTH_32, 94 MV_DDR_PRI_BUS_WIDTH_64, 95 MV_DDR_PRI_BUS_WIDTH_LAST 96 }; 97 98 enum mv_ddr_bus_width_ext { /* number of extension bus width bits */ 99 MV_DDR_BUS_WIDTH_EXT_0, 100 MV_DDR_BUS_WIDTH_EXT_8, 101 MV_DDR_BUS_WIDTH_EXT_LAST 102 }; 103 104 enum mv_ddr_die_count { 105 MV_DDR_DIE_CNT_1, 106 MV_DDR_DIE_CNT_2, 107 MV_DDR_DIE_CNT_3, 108 MV_DDR_DIE_CNT_4, 109 MV_DDR_DIE_CNT_5, 110 MV_DDR_DIE_CNT_6, 111 MV_DDR_DIE_CNT_7, 112 MV_DDR_DIE_CNT_8, 113 MV_DDR_DIE_CNT_LAST 114 }; 115 116 unsigned int mv_ddr_cl_calc(unsigned int taa_min, unsigned int tclk); 117 unsigned int mv_ddr_cwl_calc(unsigned int tclk); 118 struct mv_ddr_topology_map *mv_ddr_topology_map_update(void); 119 struct dram_config *mv_ddr_dram_config_update(void); 120 unsigned short mv_ddr_bus_bit_mask_get(void); 121 unsigned int mv_ddr_if_bus_width_get(void); 122 123 #endif /* _MV_DDR_TOPOLOGY_H */ 124