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/* 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)
#define STATIC_TRAINING
#endif
#if defined(DB_78X60_AMC)
#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 */
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