1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) Marvell International Ltd. and its affiliates 4 */ 5 6 #ifndef __DDR3_AXP_CONFIG_H 7 #define __DDR3_AXP_CONFIG_H 8 9 /* 10 * DDR3_LOG_LEVEL Information 11 * 12 * Level 0: Provides an error code in a case of failure, RL, WL errors 13 * and other algorithm failure 14 * Level 1: Provides the D-Unit setup (SPD/Static configuration) 15 * Level 2: Provides the windows margin as a results of DQS centeralization 16 * Level 3: Provides the windows margin of each DQ as a results of DQS 17 * centeralization 18 */ 19 #define DDR3_LOG_LEVEL CONFIG_DDR_LOG_LEVEL 20 21 #define DDR3_PBS 1 22 23 /* This flag allows the execution of SW WL/RL upon HW failure */ 24 #define DDR3_RUN_SW_WHEN_HW_FAIL 1 25 26 /* 27 * General Configurations 28 * 29 * The following parameters are required for proper setup: 30 * 31 * DDR_TARGET_FABRIC - Set desired fabric configuration 32 * (for sample@Reset fabfreq parameter) 33 * DRAM_ECC - Set ECC support 1/0 34 * BUS_WIDTH - 64/32 bit 35 * CONFIG_SPD_EEPROM - Enables auto detection of DIMMs and their timing values 36 * DQS_CLK_ALIGNED - Set this if CLK and DQS signals are aligned on board 37 * MIXED_DIMM_STATIC - Mixed DIMM + On board devices support (ODT registers 38 * values are taken statically) 39 * DDR3_TRAINING_DEBUG - Debug prints of internal code 40 */ 41 #define DDR_TARGET_FABRIC 5 42 /* Only enable ECC if the board selects it */ 43 #ifdef CONFIG_BOARD_ECC_SUPPORT 44 #define DRAM_ECC 1 45 #else 46 #define DRAM_ECC 0 47 #endif 48 49 #ifdef CONFIG_DDR_32BIT 50 #define BUS_WIDTH 32 51 #else 52 #define BUS_WIDTH 64 53 #endif 54 55 #undef DQS_CLK_ALIGNED 56 #undef MIXED_DIMM_STATIC 57 #define DDR3_TRAINING_DEBUG 0 58 #define REG_DIMM_SKIP_WL 0 59 60 /* Marvell boards specific configurations */ 61 #if defined(DB_78X60_PCAC) 62 #define STATIC_TRAINING 63 #endif 64 65 #if defined(DB_78X60_AMC) 66 #undef DRAM_ECC 67 #define DRAM_ECC 1 68 #endif 69 70 #ifdef CONFIG_SPD_EEPROM 71 /* 72 * DIMM support parameters: 73 * DRAM_2T - Set Desired 2T Mode - 0 - 1T, 0x1 - 2T, 0x2 - 3T 74 * DIMM_CS_BITMAP - bitmap representing the optional CS in DIMMs 75 * (0xF=CS0+CS1+CS2+CS3, 0xC=CS2+CS3...) 76 */ 77 #define DRAM_2T 0x0 78 #define DIMM_CS_BITMAP 0xF 79 #define DUNIT_SPD 80 #endif 81 82 #ifdef DRAM_ECC 83 /* 84 * ECC support parameters: 85 * 86 * U_BOOT_START_ADDR, U_BOOT_SCRUB_SIZE - relevant when using ECC and need 87 * to configure the scrubbing area 88 */ 89 #define TRAINING_SIZE 0x20000 90 #define U_BOOT_START_ADDR 0 91 #define U_BOOT_SCRUB_SIZE 0x1000000 /* TRAINING_SIZE */ 92 #endif 93 94 /* 95 * Registered DIMM Support - In case registered DIMM is attached, 96 * please supply the following values: 97 * (see JEDEC - JESD82-29A "Definition of the SSTE32882 Registering Clock 98 * Driver with Parity and Quad Chip 99 * Selects for DDR3/DDR3L/DDR3U RDIMM 1.5 V/1.35 V/1.25 V Applications") 100 * RC0: Global Features Control Word 101 * RC1: Clock Driver Enable Control Word 102 * RC2: Timing Control Word 103 * RC3-RC5 - taken from SPD 104 * RC8: Additional IBT Setting Control Word 105 * RC9: Power Saving Settings Control Word 106 * RC10: Encoding for RDIMM Operating Speed 107 * RC11: Operating Voltage VDD and VREFCA Control Word 108 */ 109 #define RDIMM_RC0 0 110 #define RDIMM_RC1 0 111 #define RDIMM_RC2 0 112 #define RDIMM_RC8 0 113 #define RDIMM_RC9 0 114 #define RDIMM_RC10 0x2 115 #define RDIMM_RC11 0x0 116 117 #if defined(MIXED_DIMM_STATIC) || !defined(CONFIG_SPD_EEPROM) 118 #define DUNIT_STATIC 119 #endif 120 121 #if defined(MIXED_DIMM_STATIC) || defined(CONFIG_SPD_EEPROM) 122 /* 123 * This flag allows the user to change the dram refresh cycle in ps, 124 * only in case of SPD or MIX DIMM topology 125 */ 126 #define TREFI_USER_EN 127 128 #ifdef TREFI_USER_EN 129 #define TREFI_USER 3900000 130 #endif 131 #endif 132 133 #ifdef CONFIG_SPD_EEPROM 134 /* 135 * AUTO_DETECTION_SUPPORT - relevant ONLY for Marvell DB boards. 136 * Enables I2C auto detection different options 137 */ 138 #if defined(CONFIG_DB_88F78X60) || defined(CONFIG_DB_88F78X60_REV2) || \ 139 defined(CONFIG_TARGET_DB_MV784MP_GP) 140 #define AUTO_DETECTION_SUPPORT 141 #endif 142 #endif 143 144 #endif /* __DDR3_AXP_CONFIG_H */ 145