52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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/*
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* Copyright 2018 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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// Based on tinyusb/hw/bsp/teensy_40/teensy40_flexspi_nor_config.c
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#include "teensy40_flexspi_nor_config.h"
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/* Component ID definition, used by tools. */
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#ifndef FSL_COMPONENT_ID
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#define FSL_COMPONENT_ID "platform.drivers.xip_board"
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#endif
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/*******************************************************************************
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* Code
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******************************************************************************/
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#if defined(XIP_BOOT_HEADER_ENABLE) && (XIP_BOOT_HEADER_ENABLE == 1)
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#if defined(__CC_ARM) || defined(__ARMCC_VERSION) || defined(__GNUC__)
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__attribute__((section(".boot_hdr.conf")))
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#elif defined(__ICCARM__)
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#pragma location = ".boot_hdr.conf"
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#endif
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const flexspi_nor_config_t qspiflash_config = {
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.memConfig =
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{
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.tag = FLEXSPI_CFG_BLK_TAG,
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.version = FLEXSPI_CFG_BLK_VERSION,
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.readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackFromDqsPad,
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.csHoldTime = 3u,
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.csSetupTime = 3u,
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// Enable DDR mode, Wordaddassable, Safe configuration, Differential clock
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.sflashPadType = kSerialFlash_4Pads,
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.serialClkFreq = kFlexSpiSerialClk_100MHz,
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.sflashA1Size = 2u * 1024u * 1024u,
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.lookupTable =
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{
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// Read LUTs
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FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18),
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FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),
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},
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},
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.pageSize = 256u,
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.sectorSize = 4u * 1024u,
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.blockSize = 256u * 1024u,
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.isUniformBlockSize = false,
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};
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#endif /* XIP_BOOT_HEADER_ENABLE */
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