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c02c1130ed
TODO(scaprile): check when and if following is needed flash_init(); // setup pins and clocks to access board flash
123 lines
7.4 KiB
C
123 lines
7.4 KiB
C
/*
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* Copyright 2017-2021 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct _lut_sequence
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{
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uint8_t seqNum; //!< Sequence Number, valid number: 1-16
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uint8_t seqId; //!< Sequence Index, valid number: 0-15
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uint16_t reserved;
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} flexspi_lut_seq_t;
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typedef struct _FlexSPIConfig
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{
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uint32_t tag; //!< [0x000-0x003] Tag, fixed value 0x42464346UL
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uint32_t version; //!< [0x004-0x007] Version,[31:24] -'V', [23:16] - Major, [15:8] - Minor, [7:0] - bugfix
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uint32_t reserved0; //!< [0x008-0x00b] Reserved for future use
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uint8_t readSampleClkSrc; //!< [0x00c-0x00c] Read Sample Clock Source, valid value: 0/1/3
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uint8_t csHoldTime; //!< [0x00d-0x00d] CS hold time, default value: 3
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uint8_t csSetupTime; //!< [0x00e-0x00e] CS setup time, default value: 3
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uint8_t columnAddressWidth; //!< [0x00f-0x00f] Column Address with, for HyperBus protocol, it is fixed to 3, For
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//! Serial NAND, need to refer to datasheet
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uint8_t deviceModeCfgEnable; //!< [0x010-0x010] Device Mode Configure enable flag, 1 - Enable, 0 - Disable
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uint8_t deviceModeType; //!< [0x011-0x011] Specify the configuration command type:Quad Enable, DPI/QPI/OPI switch,
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//! Generic configuration, etc.
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uint16_t waitTimeCfgCommands; //!< [0x012-0x013] Wait time for all configuration commands, unit: 100us, Used for
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//! DPI/QPI/OPI switch or reset command
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flexspi_lut_seq_t deviceModeSeq; //!< [0x014-0x017] Device mode sequence info, [7:0] - LUT sequence id, [15:8] - LUt
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//! sequence number, [31:16] Reserved
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uint32_t deviceModeArg; //!< [0x018-0x01b] Argument/Parameter for device configuration
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uint8_t configCmdEnable; //!< [0x01c-0x01c] Configure command Enable Flag, 1 - Enable, 0 - Disable
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uint8_t configModeType[3]; //!< [0x01d-0x01f] Configure Mode Type, similar as deviceModeTpe
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flexspi_lut_seq_t
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configCmdSeqs[3]; //!< [0x020-0x02b] Sequence info for Device Configuration command, similar as deviceModeSeq
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uint32_t reserved1; //!< [0x02c-0x02f] Reserved for future use
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uint32_t configCmdArgs[3]; //!< [0x030-0x03b] Arguments/Parameters for device Configuration commands
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uint32_t reserved2; //!< [0x03c-0x03f] Reserved for future use
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uint32_t controllerMiscOption; //!< [0x040-0x043] Controller Misc Options, see Misc feature bit definitions for more
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//! details
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uint8_t deviceType; //!< [0x044-0x044] Device Type: See Flash Type Definition for more details
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uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
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uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
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//! Chapter for more details
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uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
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//! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
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uint32_t reserved3[2]; //!< [0x048-0x04f] Reserved for future use
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uint32_t sflashA1Size; //!< [0x050-0x053] Size of Flash connected to A1
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uint32_t sflashA2Size; //!< [0x054-0x057] Size of Flash connected to A2
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uint32_t sflashB1Size; //!< [0x058-0x05b] Size of Flash connected to B1
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uint32_t sflashB2Size; //!< [0x05c-0x05f] Size of Flash connected to B2
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uint32_t csPadSettingOverride; //!< [0x060-0x063] CS pad setting override value
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uint32_t sclkPadSettingOverride; //!< [0x064-0x067] SCK pad setting override value
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uint32_t dataPadSettingOverride; //!< [0x068-0x06b] data pad setting override value
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uint32_t dqsPadSettingOverride; //!< [0x06c-0x06f] DQS pad setting override value
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uint32_t timeoutInMs; //!< [0x070-0x073] Timeout threshold for read status command
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uint32_t commandInterval; //!< [0x074-0x077] CS deselect interval between two commands
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uint16_t dataValidTime[2]; //!< [0x078-0x07b] CLK edge to data valid time for PORT A and PORT B, in terms of 0.1ns
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uint16_t busyOffset; //!< [0x07c-0x07d] Busy offset, valid value: 0-31
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uint16_t busyBitPolarity; //!< [0x07e-0x07f] Busy flag polarity, 0 - busy flag is 1 when flash device is busy, 1 -
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//! busy flag is 0 when flash device is busy
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uint32_t lookupTable[64]; //!< [0x080-0x17f] Lookup table holds Flash command sequences
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flexspi_lut_seq_t lutCustomSeq[12]; //!< [0x180-0x1af] Customizable LUT Sequences
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uint32_t reserved4[4]; //!< [0x1b0-0x1bf] Reserved for future use
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} flexspi_mem_config_t;
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typedef struct _flexspi_nor_config
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{
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flexspi_mem_config_t memConfig; //!< Common memory configuration info via FlexSPI
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uint32_t pageSize; //!< Page size of Serial NOR
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uint32_t sectorSize; //!< Sector size of Serial NOR
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uint8_t ipcmdSerialClkFreq; //!< Clock frequency for IP command
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uint8_t isUniformBlockSize; //!< Sector/Block size is the same
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uint8_t reserved0[2]; //!< Reserved for future use
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uint8_t serialNorType; //!< Serial NOR Flash type: 0/1/2/3
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uint8_t needExitNoCmdMode; //!< Need to exit NoCmd mode before other IP command
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uint8_t halfClkForNonReadCmd; //!< Half the Serial Clock for non-read command: true/false
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uint8_t needRestoreNoCmdMode; //!< Need to Restore NoCmd mode after IP commmand execution
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uint32_t blockSize; //!< Block size
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uint32_t reserve2[11]; //!< Reserved for future use
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} flexspi_nor_config_t;
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/* FLEXSPI memory config block related defintions */
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#define FLEXSPI_CFG_BLK_TAG (0x42464346UL) // ascii "FCFB" Big Endian
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#define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
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#define FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1) \
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(FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) | \
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FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1))
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#define CMD_SDR 0x01
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#define CMD_DDR 0x21
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#define DUMMY_SDR 0x0C
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#define DUMMY_DDR 0x2C
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#define RADDR_SDR 0x02
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#define RADDR_DDR 0x22
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#define READ_SDR 0x09
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#define READ_DDR 0x29
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#define WRITE_SDR 0x08
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#define WRITE_DDR 0x28
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#define STOP 0
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#define FLEXSPI_1PAD 0
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#define FLEXSPI_2PAD 1
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#define FLEXSPI_4PAD 2
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#define FLEXSPI_8PAD 3
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#define __FLEXSPI_QSPI_LUT { \
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[0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18), \
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[1] = FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),\
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[4 * 1 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05, READ_SDR, FLEXSPI_1PAD, 0x04),\
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[4 * 3 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06, STOP, FLEXSPI_1PAD, 0x0),\
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[4 * 5 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
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[4 * 8 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
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[4 * 9 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
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[4 * 9 + 1] = FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04, STOP, FLEXSPI_1PAD, 0x0),\
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[4 * 11 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60, STOP, FLEXSPI_1PAD, 0x0),\
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}
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