circuitpython/ports/mimxrt10xx/boards/imxrt1020_evk/flash_config.c

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/*
* Copyright 2017 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_flexspi_nor_boot.h"
#include "fsl_flexspi_nor_config.h"
__attribute__((section(".boot_hdr.ivt")))
/*************************************
* IVT Data
*************************************/
const ivt image_vector_table = {
IVT_HEADER, /* IVT Header */
IMAGE_ENTRY_ADDRESS, /* Image Entry Function */
IVT_RSVD, /* Reserved = 0 */
(uint32_t)DCD_ADDRESS, /* Address where DCD information is stored */
(uint32_t)BOOT_DATA_ADDRESS, /* Address where BOOT Data Structure is stored */
(uint32_t)&image_vector_table, /* Pointer to IVT Self (absolute address */
(uint32_t)CSF_ADDRESS, /* Address where CSF file is stored */
IVT_RSVD /* Reserved = 0 */
};
__attribute__((section(".boot_hdr.boot_data")))
/*************************************
* Boot Data
*************************************/
const BOOT_DATA_T boot_data = {
FLASH_BASE, /* boot start location */
FLASH_SIZE, /* size */
PLUGIN_FLAG, /* Plugin flag*/
0xFFFFFFFF /* empty - extra data word */
};
__attribute__((section(".boot_hdr.conf")))
// Values copied from https://github.com/PaulStoffregen/cores/blob/ddb23fa5d97dac763bc06e11b9b41f026bd51f0a/teensy4/bootdata.c#L39
const flexspi_nor_config_t qspiflash_config = {
.memConfig =
{
.tag = FLEXSPI_CFG_BLK_TAG,
.version = FLEXSPI_CFG_BLK_VERSION,
#ifdef BOARD_USING_SECONDARY_QSPI_PINMUX
.readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackFromInternally,
#else
.readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackFromDqsPad,
#endif
.csHoldTime = 1u,
.csSetupTime = 2u,
// Enable DDR mode, Wordaddressable, Safe configuration, Differential clock
.deviceType = kFlexSpiDeviceType_SerialNOR,
.sflashPadType = kSerialFlash_4Pads,
.serialClkFreq = kFlexSpiSerialClk_60MHz, // 03
.sflashA1Size = FLASH_SIZE,
.lookupTable =
{
// FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1)
// (FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) |
// FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1))
// Read LUTs
FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18),
FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),
0,
0,
0x24040405,
0,
0,
0,
0,
0,
0,
0,
0x00000406,
0,
0,
0,
0,
0,
0,
0,
0x08180420,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0x081804D8,
0,
0,
0,
0x08180402,
0x00002004,
0,
0,
0,
0,
0,
0,
0x00000460,
},
},
.pageSize = 256u,
.sectorSize = 4u * 1024u,
.ipcmdSerialClkFreq = kFlexSpiSerialClk_30MHz,
.blockSize = 0x00010000,
.isUniformBlockSize = false,
};