185f812c41
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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
491 lines
14 KiB
C
491 lines
14 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2008-2016 Freescale Semiconductor, Inc.
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* Copyright 2017-2018 NXP Semiconductor
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*/
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#ifndef FSL_DDR_MEMCTL_H
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#define FSL_DDR_MEMCTL_H
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/*
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* Pick a basic DDR Technology.
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*/
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#include <ddr_spd.h>
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#include <fsl_ddrc_version.h>
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#define SDRAM_TYPE_DDR1 2
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#define SDRAM_TYPE_DDR2 3
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#define SDRAM_TYPE_LPDDR1 6
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#define SDRAM_TYPE_DDR3 7
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#define SDRAM_TYPE_DDR4 5
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#define DDR_BL4 4 /* burst length 4 */
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#define DDR_BC4 DDR_BL4 /* burst chop for ddr3 */
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#define DDR_OTF 6 /* on-the-fly BC4 and BL8 */
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#define DDR_BL8 8 /* burst length 8 */
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#define DDR3_RTT_OFF 0
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#define DDR3_RTT_60_OHM 1 /* RTT_Nom = RZQ/4 */
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#define DDR3_RTT_120_OHM 2 /* RTT_Nom = RZQ/2 */
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#define DDR3_RTT_40_OHM 3 /* RTT_Nom = RZQ/6 */
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#define DDR3_RTT_20_OHM 4 /* RTT_Nom = RZQ/12 */
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#define DDR3_RTT_30_OHM 5 /* RTT_Nom = RZQ/8 */
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#define DDR4_RTT_OFF 0
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#define DDR4_RTT_60_OHM 1 /* RZQ/4 */
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#define DDR4_RTT_120_OHM 2 /* RZQ/2 */
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#define DDR4_RTT_40_OHM 3 /* RZQ/6 */
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#define DDR4_RTT_240_OHM 4 /* RZQ/1 */
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#define DDR4_RTT_48_OHM 5 /* RZQ/5 */
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#define DDR4_RTT_80_OHM 6 /* RZQ/3 */
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#define DDR4_RTT_34_OHM 7 /* RZQ/7 */
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#define DDR2_RTT_OFF 0
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#define DDR2_RTT_75_OHM 1
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#define DDR2_RTT_150_OHM 2
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#define DDR2_RTT_50_OHM 3
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#if defined(CONFIG_SYS_FSL_DDR1)
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#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (1)
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typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
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#ifndef CONFIG_FSL_SDRAM_TYPE
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#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR1
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#endif
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#elif defined(CONFIG_SYS_FSL_DDR2)
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#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3)
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typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
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#ifndef CONFIG_FSL_SDRAM_TYPE
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#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR2
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#endif
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#elif defined(CONFIG_SYS_FSL_DDR3)
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typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
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#ifndef CONFIG_FSL_SDRAM_TYPE
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#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR3
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#endif
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#elif defined(CONFIG_SYS_FSL_DDR4)
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#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) /* FIXME */
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typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
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#ifndef CONFIG_FSL_SDRAM_TYPE
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#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR4
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#endif
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#endif /* #if defined(CONFIG_SYS_FSL_DDR1) */
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#define FSL_DDR_ODT_NEVER 0x0
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#define FSL_DDR_ODT_CS 0x1
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#define FSL_DDR_ODT_ALL_OTHER_CS 0x2
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#define FSL_DDR_ODT_OTHER_DIMM 0x3
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#define FSL_DDR_ODT_ALL 0x4
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#define FSL_DDR_ODT_SAME_DIMM 0x5
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#define FSL_DDR_ODT_CS_AND_OTHER_DIMM 0x6
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#define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM 0x7
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/* define bank(chip select) interleaving mode */
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#define FSL_DDR_CS0_CS1 0x40
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#define FSL_DDR_CS2_CS3 0x20
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#define FSL_DDR_CS0_CS1_AND_CS2_CS3 (FSL_DDR_CS0_CS1 | FSL_DDR_CS2_CS3)
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#define FSL_DDR_CS0_CS1_CS2_CS3 (FSL_DDR_CS0_CS1_AND_CS2_CS3 | 0x04)
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/* define memory controller interleaving mode */
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#define FSL_DDR_CACHE_LINE_INTERLEAVING 0x0
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#define FSL_DDR_PAGE_INTERLEAVING 0x1
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#define FSL_DDR_BANK_INTERLEAVING 0x2
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#define FSL_DDR_SUPERBANK_INTERLEAVING 0x3
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#define FSL_DDR_256B_INTERLEAVING 0x8
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#define FSL_DDR_3WAY_1KB_INTERLEAVING 0xA
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#define FSL_DDR_3WAY_4KB_INTERLEAVING 0xC
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#define FSL_DDR_3WAY_8KB_INTERLEAVING 0xD
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/* placeholder for 4-way interleaving */
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#define FSL_DDR_4WAY_1KB_INTERLEAVING 0x1A
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#define FSL_DDR_4WAY_4KB_INTERLEAVING 0x1C
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#define FSL_DDR_4WAY_8KB_INTERLEAVING 0x1D
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#define SDRAM_CS_CONFIG_EN 0x80000000
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/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
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*/
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#define SDRAM_CFG_MEM_EN 0x80000000
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#define SDRAM_CFG_SREN 0x40000000
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#define SDRAM_CFG_ECC_EN 0x20000000
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#define SDRAM_CFG_RD_EN 0x10000000
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#define SDRAM_CFG_SDRAM_TYPE_DDR1 0x02000000
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#define SDRAM_CFG_SDRAM_TYPE_DDR2 0x03000000
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#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000
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#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24
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#define SDRAM_CFG_DYN_PWR 0x00200000
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#define SDRAM_CFG_DBW_MASK 0x00180000
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#define SDRAM_CFG_DBW_SHIFT 19
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#define SDRAM_CFG_32_BE 0x00080000
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#define SDRAM_CFG_16_BE 0x00100000
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#define SDRAM_CFG_8_BE 0x00040000
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#define SDRAM_CFG_NCAP 0x00020000
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#define SDRAM_CFG_2T_EN 0x00008000
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#define SDRAM_CFG_BI 0x00000001
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#define SDRAM_CFG2_FRC_SR 0x80000000
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#define SDRAM_CFG2_D_INIT 0x00000010
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#define SDRAM_CFG2_AP_EN 0x00000020
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#define SDRAM_CFG2_ODT_CFG_MASK 0x00600000
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#define SDRAM_CFG2_ODT_NEVER 0
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#define SDRAM_CFG2_ODT_ONLY_WRITE 1
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#define SDRAM_CFG2_ODT_ONLY_READ 2
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#define SDRAM_CFG2_ODT_ALWAYS 3
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#define SDRAM_INTERVAL_BSTOPRE 0x3FFF
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#define TIMING_CFG_2_CPO_MASK 0x0F800000
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#if defined(CONFIG_SYS_FSL_DDR_VER) && \
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(CONFIG_SYS_FSL_DDR_VER > FSL_DDR_VER_4_4)
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#define RD_TO_PRE_MASK 0xf
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#define RD_TO_PRE_SHIFT 13
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#define WR_DATA_DELAY_MASK 0xf
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#define WR_DATA_DELAY_SHIFT 9
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#else
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#define RD_TO_PRE_MASK 0x7
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#define RD_TO_PRE_SHIFT 13
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#define WR_DATA_DELAY_MASK 0x7
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#define WR_DATA_DELAY_SHIFT 10
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#endif
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/* DDR_EOR register */
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#define DDR_EOR_RD_REOD_DIS 0x07000000
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#define DDR_EOR_WD_REOD_DIS 0x00100000
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/* DDR_MD_CNTL */
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#define MD_CNTL_MD_EN 0x80000000
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#define MD_CNTL_CS_SEL_CS0 0x00000000
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#define MD_CNTL_CS_SEL_CS1 0x10000000
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#define MD_CNTL_CS_SEL_CS2 0x20000000
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#define MD_CNTL_CS_SEL_CS3 0x30000000
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#define MD_CNTL_CS_SEL_CS0_CS1 0x40000000
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#define MD_CNTL_CS_SEL_CS2_CS3 0x50000000
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#define MD_CNTL_MD_SEL_MR 0x00000000
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#define MD_CNTL_MD_SEL_EMR 0x01000000
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#define MD_CNTL_MD_SEL_EMR2 0x02000000
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#define MD_CNTL_MD_SEL_EMR3 0x03000000
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#define MD_CNTL_SET_REF 0x00800000
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#define MD_CNTL_SET_PRE 0x00400000
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#define MD_CNTL_CKE_CNTL_LOW 0x00100000
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#define MD_CNTL_CKE_CNTL_HIGH 0x00200000
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#define MD_CNTL_WRCW 0x00080000
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#define MD_CNTL_MD_VALUE(x) (x & 0x0000FFFF)
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#define MD_CNTL_CS_SEL(x) (((x) & 0x7) << 28)
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#define MD_CNTL_MD_SEL(x) (((x) & 0xf) << 24)
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/* DDR_CDR1 */
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#define DDR_CDR1_DHC_EN 0x80000000
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#define DDR_CDR1_V0PT9_EN 0x40000000
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#define DDR_CDR1_ODT_SHIFT 17
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#define DDR_CDR1_ODT_MASK 0x6
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#define DDR_CDR2_ODT_MASK 0x1
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#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
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#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
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#define DDR_CDR2_VREF_OVRD(x) (0x00008080 | ((((x) - 37) & 0x3F) << 8))
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#define DDR_CDR2_VREF_TRAIN_EN 0x00000080
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#define DDR_CDR2_VREF_RANGE_2 0x00000040
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/* DDR ERR_DISABLE */
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#define DDR_ERR_DISABLE_APED (1 << 8) /* Address parity error disable */
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/* Mode Registers */
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#define DDR_MR5_CA_PARITY_LAT_4_CLK 0x1 /* for DDR4-1600/1866/2133 */
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#define DDR_MR5_CA_PARITY_LAT_5_CLK 0x2 /* for DDR4-2400 */
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/* DEBUG_26 register */
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#define DDR_CAS_TO_PRE_SUB_MASK 0x0000f000 /* CAS to preamble subtract value */
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#define DDR_CAS_TO_PRE_SUB_SHIFT 12
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/* DEBUG_29 register */
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#define DDR_TX_BD_DIS (1 << 10) /* Transmit Bit Deskew Disable */
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#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
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(CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
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#ifdef CONFIG_SYS_FSL_DDR3L
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#define DDR_CDR_ODT_OFF 0x0
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#define DDR_CDR_ODT_120ohm 0x1
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#define DDR_CDR_ODT_200ohm 0x2
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#define DDR_CDR_ODT_75ohm 0x3
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#define DDR_CDR_ODT_60ohm 0x5
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#define DDR_CDR_ODT_46ohm 0x7
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#elif defined(CONFIG_SYS_FSL_DDR4)
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#define DDR_CDR_ODT_OFF 0x0
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#define DDR_CDR_ODT_100ohm 0x1
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#define DDR_CDR_ODT_120OHM 0x2
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#define DDR_CDR_ODT_80ohm 0x3
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#define DDR_CDR_ODT_60ohm 0x4
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#define DDR_CDR_ODT_40ohm 0x5
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#define DDR_CDR_ODT_50ohm 0x6
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#define DDR_CDR_ODT_30ohm 0x7
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#else
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#define DDR_CDR_ODT_OFF 0x0
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#define DDR_CDR_ODT_120ohm 0x1
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#define DDR_CDR_ODT_180ohm 0x2
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#define DDR_CDR_ODT_75ohm 0x3
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#define DDR_CDR_ODT_110ohm 0x4
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#define DDR_CDR_ODT_60hm 0x5
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#define DDR_CDR_ODT_70ohm 0x6
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#define DDR_CDR_ODT_47ohm 0x7
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#endif /* DDR3L */
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#else
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#define DDR_CDR_ODT_75ohm 0x0
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#define DDR_CDR_ODT_55ohm 0x1
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#define DDR_CDR_ODT_60ohm 0x2
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#define DDR_CDR_ODT_50ohm 0x3
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#define DDR_CDR_ODT_150ohm 0x4
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#define DDR_CDR_ODT_43ohm 0x5
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#define DDR_CDR_ODT_120ohm 0x6
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#endif
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#define DDR_INIT_ADDR_EXT_UIA (1 << 31)
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/* Record of register values computed */
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typedef struct fsl_ddr_cfg_regs_s {
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struct {
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unsigned int bnds;
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unsigned int config;
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unsigned int config_2;
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} cs[CONFIG_CHIP_SELECTS_PER_CTRL];
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unsigned int timing_cfg_3;
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unsigned int timing_cfg_0;
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unsigned int timing_cfg_1;
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unsigned int timing_cfg_2;
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unsigned int ddr_sdram_cfg;
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unsigned int ddr_sdram_cfg_2;
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unsigned int ddr_sdram_cfg_3;
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unsigned int ddr_sdram_mode;
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unsigned int ddr_sdram_mode_2;
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unsigned int ddr_sdram_mode_3;
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unsigned int ddr_sdram_mode_4;
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unsigned int ddr_sdram_mode_5;
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unsigned int ddr_sdram_mode_6;
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unsigned int ddr_sdram_mode_7;
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unsigned int ddr_sdram_mode_8;
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unsigned int ddr_sdram_mode_9;
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unsigned int ddr_sdram_mode_10;
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unsigned int ddr_sdram_mode_11;
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unsigned int ddr_sdram_mode_12;
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unsigned int ddr_sdram_mode_13;
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unsigned int ddr_sdram_mode_14;
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unsigned int ddr_sdram_mode_15;
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unsigned int ddr_sdram_mode_16;
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unsigned int ddr_sdram_md_cntl;
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unsigned int ddr_sdram_interval;
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unsigned int ddr_data_init;
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unsigned int ddr_sdram_clk_cntl;
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unsigned int ddr_init_addr;
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unsigned int ddr_init_ext_addr;
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unsigned int timing_cfg_4;
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unsigned int timing_cfg_5;
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unsigned int timing_cfg_6;
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unsigned int timing_cfg_7;
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unsigned int timing_cfg_8;
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unsigned int timing_cfg_9;
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unsigned int ddr_zq_cntl;
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unsigned int ddr_wrlvl_cntl;
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unsigned int ddr_wrlvl_cntl_2;
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unsigned int ddr_wrlvl_cntl_3;
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unsigned int ddr_sr_cntr;
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unsigned int ddr_sdram_rcw_1;
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unsigned int ddr_sdram_rcw_2;
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unsigned int ddr_sdram_rcw_3;
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unsigned int ddr_sdram_rcw_4;
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unsigned int ddr_sdram_rcw_5;
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unsigned int ddr_sdram_rcw_6;
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unsigned int dq_map_0;
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unsigned int dq_map_1;
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unsigned int dq_map_2;
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unsigned int dq_map_3;
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unsigned int ddr_eor;
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unsigned int ddr_cdr1;
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unsigned int ddr_cdr2;
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unsigned int err_disable;
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unsigned int err_int_en;
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unsigned int debug[64];
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} fsl_ddr_cfg_regs_t;
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typedef struct memctl_options_partial_s {
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unsigned int all_dimms_ecc_capable;
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unsigned int all_dimms_tckmax_ps;
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unsigned int all_dimms_burst_lengths_bitmask;
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unsigned int all_dimms_registered;
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unsigned int all_dimms_unbuffered;
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/* unsigned int lowest_common_spd_caslat; */
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unsigned int all_dimms_minimum_trcd_ps;
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} memctl_options_partial_t;
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#define DDR_DATA_BUS_WIDTH_64 0
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#define DDR_DATA_BUS_WIDTH_32 1
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#define DDR_DATA_BUS_WIDTH_16 2
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#define DDR_CSWL_CS0 0x04000001
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/*
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* Generalized parameters for memory controller configuration,
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* might be a little specific to the FSL memory controller
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*/
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typedef struct memctl_options_s {
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/*
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* Memory organization parameters
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*
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* if DIMM is present in the system
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* where DIMMs are with respect to chip select
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* where chip selects are with respect to memory boundaries
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*/
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unsigned int registered_dimm_en; /* use registered DIMM support */
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/* Options local to a Chip Select */
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struct cs_local_opts_s {
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unsigned int auto_precharge;
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unsigned int odt_rd_cfg;
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unsigned int odt_wr_cfg;
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unsigned int odt_rtt_norm;
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unsigned int odt_rtt_wr;
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} cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL];
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/* Special configurations for chip select */
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unsigned int memctl_interleaving;
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unsigned int memctl_interleaving_mode;
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unsigned int ba_intlv_ctl;
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unsigned int addr_hash;
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/* Operational mode parameters */
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unsigned int ecc_mode; /* Use ECC? */
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/* Initialize ECC using memory controller? */
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unsigned int ecc_init_using_memctl;
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unsigned int dqs_config; /* Use DQS? maybe only with DDR2? */
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/* SREN - self-refresh during sleep */
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unsigned int self_refresh_in_sleep;
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/* SR_IE - Self-refresh interrupt enable */
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unsigned int self_refresh_interrupt_en;
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unsigned int dynamic_power; /* DYN_PWR */
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/* memory data width to use (16-bit, 32-bit, 64-bit) */
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unsigned int data_bus_width;
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unsigned int burst_length; /* BL4, OTF and BL8 */
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/* On-The-Fly Burst Chop enable */
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unsigned int otf_burst_chop_en;
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/* mirrior DIMMs for DDR3 */
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unsigned int mirrored_dimm;
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unsigned int quad_rank_present;
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unsigned int ap_en; /* address parity enable for RDIMM/DDR4-UDIMM */
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unsigned int x4_en; /* enable x4 devices */
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unsigned int package_3ds;
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/* Global Timing Parameters */
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unsigned int cas_latency_override;
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unsigned int cas_latency_override_value;
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unsigned int use_derated_caslat;
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unsigned int additive_latency_override;
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unsigned int additive_latency_override_value;
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unsigned int clk_adjust; /* */
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unsigned int cpo_override; /* override timing_cfg_2[CPO]*/
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unsigned int cpo_sample; /* optimize debug_29[24:31] */
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unsigned int write_data_delay; /* DQS adjust */
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unsigned int cswl_override;
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unsigned int wrlvl_override;
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unsigned int wrlvl_sample; /* Write leveling */
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unsigned int wrlvl_start;
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unsigned int wrlvl_ctl_2;
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unsigned int wrlvl_ctl_3;
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unsigned int half_strength_driver_enable;
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unsigned int twot_en;
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unsigned int threet_en;
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unsigned int bstopre;
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unsigned int tfaw_window_four_activates_ps; /* tFAW -- FOUR_ACT */
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/* Rtt impedance */
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unsigned int rtt_override; /* rtt_override enable */
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|
unsigned int rtt_override_value; /* that is Rtt_Nom for DDR3 */
|
|
unsigned int rtt_wr_override_value; /* this is Rtt_WR for DDR3 */
|
|
|
|
/* Automatic self refresh */
|
|
unsigned int auto_self_refresh_en;
|
|
unsigned int sr_it;
|
|
/* ZQ calibration */
|
|
unsigned int zq_en;
|
|
/* Write leveling */
|
|
unsigned int wrlvl_en;
|
|
/* RCW override for RDIMM */
|
|
unsigned int rcw_override;
|
|
unsigned int rcw_1;
|
|
unsigned int rcw_2;
|
|
unsigned int rcw_3;
|
|
/* control register 1 */
|
|
unsigned int ddr_cdr1;
|
|
unsigned int ddr_cdr2;
|
|
|
|
unsigned int trwt_override;
|
|
unsigned int trwt; /* read-to-write turnaround */
|
|
} memctl_options_t;
|
|
|
|
phys_size_t fsl_ddr_sdram(void);
|
|
phys_size_t fsl_ddr_sdram_size(void);
|
|
phys_size_t fsl_other_ddr_sdram(unsigned long long base,
|
|
unsigned int first_ctrl,
|
|
unsigned int num_ctrls,
|
|
unsigned int dimm_slots_per_ctrl,
|
|
int (*board_need_reset)(void),
|
|
void (*board_reset)(void),
|
|
void (*board_de_reset)(void));
|
|
extern int fsl_use_spd(void);
|
|
void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
|
|
unsigned int ctrl_num, int step);
|
|
u32 fsl_ddr_get_intl3r(void);
|
|
void print_ddr_info(unsigned int start_ctrl);
|
|
|
|
static void __board_assert_mem_reset(void)
|
|
{
|
|
}
|
|
|
|
static void __board_deassert_mem_reset(void)
|
|
{
|
|
}
|
|
|
|
void board_assert_mem_reset(void)
|
|
__attribute__((weak, alias("__board_assert_mem_reset")));
|
|
|
|
void board_deassert_mem_reset(void)
|
|
__attribute__((weak, alias("__board_deassert_mem_reset")));
|
|
|
|
static int __board_need_mem_reset(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int board_need_mem_reset(void)
|
|
__attribute__((weak, alias("__board_need_mem_reset")));
|
|
|
|
#if defined(CONFIG_DEEP_SLEEP)
|
|
void board_mem_sleep_setup(void);
|
|
bool is_warm_boot(void);
|
|
int fsl_dp_resume(void);
|
|
#endif
|
|
|
|
/*
|
|
* The 85xx boards have a common prototype for fixed_sdram so put the
|
|
* declaration here.
|
|
*/
|
|
#ifdef CONFIG_MPC85xx
|
|
extern phys_size_t fixed_sdram(void);
|
|
#endif
|
|
|
|
#if defined(CONFIG_DDR_ECC)
|
|
extern void ddr_enable_ecc(unsigned int dram_size);
|
|
#endif
|
|
|
|
|
|
typedef struct fixed_ddr_parm{
|
|
int min_freq;
|
|
int max_freq;
|
|
fsl_ddr_cfg_regs_t *ddr_settings;
|
|
} fixed_ddr_parm_t;
|
|
|
|
/**
|
|
* fsl_initdram() - Set up the SDRAM
|
|
*
|
|
* Return: 0 if OK, -ve on error
|
|
*/
|
|
int fsl_initdram(void);
|
|
|
|
#endif
|