/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) Marvell International Ltd. and its affiliates */ #ifndef __DDR3_AXP_CONFIG_H #define __DDR3_AXP_CONFIG_H /* * DDR3_LOG_LEVEL Information * * Level 0: Provides an error code in a case of failure, RL, WL errors * and other algorithm failure * Level 1: Provides the D-Unit setup (SPD/Static configuration) * Level 2: Provides the windows margin as a results of DQS centeralization * Level 3: Provides the windows margin of each DQ as a results of DQS * centeralization */ #define DDR3_LOG_LEVEL CONFIG_DDR_LOG_LEVEL #define DDR3_PBS 1 /* This flag allows the execution of SW WL/RL upon HW failure */ #define DDR3_RUN_SW_WHEN_HW_FAIL 1 /* * General Configurations * * The following parameters are required for proper setup: * * DDR_TARGET_FABRIC - Set desired fabric configuration * (for sample@Reset fabfreq parameter) * DRAM_ECC - Set ECC support 1/0 * BUS_WIDTH - 64/32 bit * CONFIG_SPD_EEPROM - Enables auto detection of DIMMs and their timing values * DQS_CLK_ALIGNED - Set this if CLK and DQS signals are aligned on board * MIXED_DIMM_STATIC - Mixed DIMM + On board devices support (ODT registers * values are taken statically) * DDR3_TRAINING_DEBUG - Debug prints of internal code */ #define DDR_TARGET_FABRIC 5 /* Only enable ECC if the board selects it */ #ifdef CONFIG_BOARD_ECC_SUPPORT #define DRAM_ECC 1 #else #define DRAM_ECC 0 #endif #ifdef CONFIG_DDR_32BIT #define BUS_WIDTH 32 #else #define BUS_WIDTH 64 #endif #undef DQS_CLK_ALIGNED #undef MIXED_DIMM_STATIC #define DDR3_TRAINING_DEBUG 0 #define REG_DIMM_SKIP_WL 0 /* Marvell boards specific configurations */ #if defined(DB_78X60_PCAC) #undef CONFIG_SPD_EEPROM #define STATIC_TRAINING #endif #if defined(DB_78X60_AMC) #undef CONFIG_SPD_EEPROM #undef DRAM_ECC #define DRAM_ECC 1 #endif #ifdef CONFIG_SPD_EEPROM /* * DIMM support parameters: * DRAM_2T - Set Desired 2T Mode - 0 - 1T, 0x1 - 2T, 0x2 - 3T * DIMM_CS_BITMAP - bitmap representing the optional CS in DIMMs * (0xF=CS0+CS1+CS2+CS3, 0xC=CS2+CS3...) */ #define DRAM_2T 0x0 #define DIMM_CS_BITMAP 0xF #define DUNIT_SPD #endif #ifdef DRAM_ECC /* * ECC support parameters: * * U_BOOT_START_ADDR, U_BOOT_SCRUB_SIZE - relevant when using ECC and need * to configure the scrubbing area */ #define TRAINING_SIZE 0x20000 #define U_BOOT_START_ADDR 0 #define U_BOOT_SCRUB_SIZE 0x1000000 /* TRAINING_SIZE */ #endif /* * Registered DIMM Support - In case registered DIMM is attached, * please supply the following values: * (see JEDEC - JESD82-29A "Definition of the SSTE32882 Registering Clock * Driver with Parity and Quad Chip * Selects for DDR3/DDR3L/DDR3U RDIMM 1.5 V/1.35 V/1.25 V Applications") * RC0: Global Features Control Word * RC1: Clock Driver Enable Control Word * RC2: Timing Control Word * RC3-RC5 - taken from SPD * RC8: Additional IBT Setting Control Word * RC9: Power Saving Settings Control Word * RC10: Encoding for RDIMM Operating Speed * RC11: Operating Voltage VDD and VREFCA Control Word */ #define RDIMM_RC0 0 #define RDIMM_RC1 0 #define RDIMM_RC2 0 #define RDIMM_RC8 0 #define RDIMM_RC9 0 #define RDIMM_RC10 0x2 #define RDIMM_RC11 0x0 #if defined(MIXED_DIMM_STATIC) || !defined(CONFIG_SPD_EEPROM) #define DUNIT_STATIC #endif #if defined(MIXED_DIMM_STATIC) || defined(CONFIG_SPD_EEPROM) /* * This flag allows the user to change the dram refresh cycle in ps, * only in case of SPD or MIX DIMM topology */ #define TREFI_USER_EN #ifdef TREFI_USER_EN #define TREFI_USER 3900000 #endif #endif #ifdef CONFIG_SPD_EEPROM /* * AUTO_DETECTION_SUPPORT - relevant ONLY for Marvell DB boards. * Enables I2C auto detection different options */ #if defined(CONFIG_DB_88F78X60) || defined(CONFIG_DB_88F78X60_REV2) || \ defined(CONFIG_TARGET_DB_MV784MP_GP) #define AUTO_DETECTION_SUPPORT #endif #endif #endif /* __DDR3_AXP_CONFIG_H */