circuitpython/ports/mimxrt10xx/boards/imxrt1010_evk/flash_config.c
Scott Shawcroft a9dc31a881
Add additional iMX RT support
This adds a script to generate the peripherals files (except clock).

It adds support for the 1015, 1020, 1040, and 1050 EVKs.

Some work was started on 1176 but it isn't working. So, the board
def is in a separate branch.

Fixes #3521. Fixes #2477.
2023-04-28 11:01:13 -07:00

144 lines
5.1 KiB
C

/*
* Copyright 2017 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "boards/flash_config.h"
#include "xip/fsl_flexspi_nor_boot.h"
// Config for AT25SF128A with QSPI routed.
__attribute__((section(".boot_hdr.conf")))
const flexspi_nor_config_t qspiflash_config = {
.pageSize = 256u,
.sectorSize = 4u * 1024u,
.ipcmdSerialClkFreq = kFLEXSPISerialClk_30MHz,
.blockSize = 0x00010000,
.isUniformBlockSize = false,
.memConfig =
{
.tag = FLEXSPI_CFG_BLK_TAG,
.version = FLEXSPI_CFG_BLK_VERSION,
.readSampleClkSrc = kFLEXSPIReadSampleClk_LoopbackFromDqsPad,
.csHoldTime = 3u,
.csSetupTime = 3u,
.busyOffset = 0u, // Status bit 0 indicates busy.
.busyBitPolarity = 0u, // Busy when the bit is 1.
.deviceModeCfgEnable = 1u,
.deviceModeType = kDeviceConfigCmdType_QuadEnable,
.deviceModeSeq = {
.seqId = 4u,
.seqNum = 1u,
},
.deviceModeArg = 0x02,
.deviceType = kFLEXSPIDeviceType_SerialNOR,
.sflashPadType = kSerialFlash_4Pads,
.serialClkFreq = kFLEXSPISerialClk_133MHz,
.sflashA1Size = FLASH_SIZE,
.lookupTable =
{
// FSL_ROM_FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1)
// The high 16 bits is command 1 and the low are command 0.
// Within a command, the top 6 bits are the opcode, the next two are the number
// of pads and then last byte is the operand. The operand's meaning changes
// per opcode.
// Indices with ROM should always have the same function because the ROM
// bootloader uses it.
// 0: ROM: Read LUTs
// Quad version
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB /* the command to send */,
RADDR_SDR, FLEXSPI_4PAD, 24 /* bits to transmit */),
FSL_ROM_FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 6 /* 6 dummy cycles, 2 for M7-0 and 4 dummy */,
READ_SDR, FLEXSPI_4PAD, 0x04),
// Single fast read version, good for debugging.
// FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x0B /* the command to send */,
// RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */),
// FSL_ROM_FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_1PAD, 8 /* 8 dummy clocks */,
// READ_SDR, FLEXSPI_1PAD, 0x04),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 1: ROM: Read status
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05 /* the command to send */,
READ_SDR, FLEXSPI_1PAD, 0x02),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 2: Empty
EMPTY_SEQUENCE,
// 3: ROM: Write Enable
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06 /* the command to send */,
STOP, FLEXSPI_1PAD, 0x00),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 4: Config: Write Status
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x31 /* the command to send */,
WRITE_SDR, FLEXSPI_1PAD, 0x01),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 5: ROM: Erase Sector
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20 /* the command to send */,
RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 6: Empty
EMPTY_SEQUENCE,
// 7: Empty
EMPTY_SEQUENCE,
// 8: Block Erase
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8 /* the command to send */,
RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 9: ROM: Page program
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02 /* the command to send */,
RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */),
FSL_ROM_FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04 /* data out */,
STOP, FLEXSPI_1PAD, 0),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 10: Empty
EMPTY_SEQUENCE,
// 11: ROM: Chip erase
SEQUENCE(FSL_ROM_FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60 /* the command to send */,
STOP, FLEXSPI_1PAD, 0),
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS,
TWO_EMPTY_STEPS),
// 12: Empty
EMPTY_SEQUENCE,
// 13: ROM: Read SFDP
EMPTY_SEQUENCE,
// 14: ROM: Restore no cmd
EMPTY_SEQUENCE,
// 15: ROM: Dummy
EMPTY_SEQUENCE
},
},
};