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 #ifdef CONFIG_DDR_LOG_LEVEL 20 #define DDR3_LOG_LEVEL CONFIG_DDR_LOG_LEVEL 21 #else 22 #define DDR3_LOG_LEVEL 0 23 #endif 24 25 #define DDR3_PBS 1 26 27 /* This flag allows the execution of SW WL/RL upon HW failure */ 28 #define DDR3_RUN_SW_WHEN_HW_FAIL 1 29 30 /* 31 * General Configurations 32 * 33 * The following parameters are required for proper setup: 34 * 35 * DDR_TARGET_FABRIC - Set desired fabric configuration 36 * (for sample@Reset fabfreq parameter) 37 * DRAM_ECC - Set ECC support 1/0 38 * BUS_WIDTH - 64/32 bit 39 * CONFIG_SPD_EEPROM - Enables auto detection of DIMMs and their timing values 40 * DQS_CLK_ALIGNED - Set this if CLK and DQS signals are aligned on board 41 * MIXED_DIMM_STATIC - Mixed DIMM + On board devices support (ODT registers 42 * values are taken statically) 43 * DDR3_TRAINING_DEBUG - Debug prints of internal code 44 */ 45 #define DDR_TARGET_FABRIC 5 46 /* Only enable ECC if the board selects it */ 47 #ifdef CONFIG_BOARD_ECC_SUPPORT 48 #define DRAM_ECC 1 49 #else 50 #define DRAM_ECC 0 51 #endif 52 53 #ifdef CONFIG_DDR_32BIT 54 #define BUS_WIDTH 32 55 #else 56 #define BUS_WIDTH 64 57 #endif 58 59 #undef DQS_CLK_ALIGNED 60 #undef MIXED_DIMM_STATIC 61 #define DDR3_TRAINING_DEBUG 0 62 #define REG_DIMM_SKIP_WL 0 63 64 /* Marvell boards specific configurations */ 65 #if defined(DB_78X60_PCAC) 66 #undef CONFIG_SPD_EEPROM 67 #define STATIC_TRAINING 68 #endif 69 70 #if defined(DB_78X60_AMC) 71 #undef CONFIG_SPD_EEPROM 72 #undef DRAM_ECC 73 #define DRAM_ECC 1 74 #endif 75 76 #ifdef CONFIG_SPD_EEPROM 77 /* 78 * DIMM support parameters: 79 * DRAM_2T - Set Desired 2T Mode - 0 - 1T, 0x1 - 2T, 0x2 - 3T 80 * DIMM_CS_BITMAP - bitmap representing the optional CS in DIMMs 81 * (0xF=CS0+CS1+CS2+CS3, 0xC=CS2+CS3...) 82 */ 83 #define DRAM_2T 0x0 84 #define DIMM_CS_BITMAP 0xF 85 #define DUNIT_SPD 86 #endif 87 88 #ifdef DRAM_ECC 89 /* 90 * ECC support parameters: 91 * 92 * U_BOOT_START_ADDR, U_BOOT_SCRUB_SIZE - relevant when using ECC and need 93 * to configure the scrubbing area 94 */ 95 #define TRAINING_SIZE 0x20000 96 #define U_BOOT_START_ADDR 0 97 #define U_BOOT_SCRUB_SIZE 0x1000000 /* TRAINING_SIZE */ 98 #endif 99 100 /* 101 * Registered DIMM Support - In case registered DIMM is attached, 102 * please supply the following values: 103 * (see JEDEC - JESD82-29A "Definition of the SSTE32882 Registering Clock 104 * Driver with Parity and Quad Chip 105 * Selects for DDR3/DDR3L/DDR3U RDIMM 1.5 V/1.35 V/1.25 V Applications") 106 * RC0: Global Features Control Word 107 * RC1: Clock Driver Enable Control Word 108 * RC2: Timing Control Word 109 * RC3-RC5 - taken from SPD 110 * RC8: Additional IBT Setting Control Word 111 * RC9: Power Saving Settings Control Word 112 * RC10: Encoding for RDIMM Operating Speed 113 * RC11: Operating Voltage VDD and VREFCA Control Word 114 */ 115 #define RDIMM_RC0 0 116 #define RDIMM_RC1 0 117 #define RDIMM_RC2 0 118 #define RDIMM_RC8 0 119 #define RDIMM_RC9 0 120 #define RDIMM_RC10 0x2 121 #define RDIMM_RC11 0x0 122 123 #if defined(MIXED_DIMM_STATIC) || !defined(CONFIG_SPD_EEPROM) 124 #define DUNIT_STATIC 125 #endif 126 127 #if defined(MIXED_DIMM_STATIC) || defined(CONFIG_SPD_EEPROM) 128 /* 129 * This flag allows the user to change the dram refresh cycle in ps, 130 * only in case of SPD or MIX DIMM topology 131 */ 132 #define TREFI_USER_EN 133 134 #ifdef TREFI_USER_EN 135 #define TREFI_USER 3900000 136 #endif 137 #endif 138 139 #ifdef CONFIG_SPD_EEPROM 140 /* 141 * AUTO_DETECTION_SUPPORT - relevant ONLY for Marvell DB boards. 142 * Enables I2C auto detection different options 143 */ 144 #if defined(CONFIG_DB_88F78X60) || defined(CONFIG_DB_88F78X60_REV2) || \ 145 defined(CONFIG_DB_784MP_GP) 146 #define AUTO_DETECTION_SUPPORT 147 #endif 148 #endif 149 150 #endif /* __DDR3_AXP_CONFIG_H */ 151
