boards/saltshaker/flash-flexspi-config.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (C) 2023 embedded brains GmbH & Co. KG
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #include <bsp/flash-headers.h>
0029 #include <bspopts.h>
0030
0031 const flexspi_nor_config_t imxrt_flexspi_config = {
0032   .memConfig = {
0033     .tag = FLEXSPI_CFG_BLK_TAG,
0034     .version = FLEXSPI_CFG_BLK_VERSION,
0035     .readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackInternally,
0036     .csHoldTime = 1u, /* In serial Clk cycles. tSLCH = 3ns for the W25Q64JV. */
0037     .csSetupTime = 1u, /* In serial Clk cycles. tCHSH = 3ns for the W25Q64JV. */
0038     .columnAddressWidth = 0u, /* W25Q64JV needs one linear address. */
0039     .controllerMiscOption = 0u,
0040     .deviceType = kFlexSpiDeviceType_SerialNOR,
0041     .sflashPadType = kSerialFlash_4Pads,
0042     .serialClkFreq = kFlexSpiSerialClk_100MHz, /* FIXME: 133MHz should be possible */
0043     .sflashA1Size = IMXRT_MEMORY_FLASH_SIZE,
0044     .dataValidTime = {0u, 0u}, /* Only relevant for Clock < 100MHz */
0045     .busyOffset = 0,
0046     .busyBitPolarity = 0,
0047     .lookupTable = {
0048       /* Read LUTs */
0049       [4 * NOR_CMD_LUT_SEQ_IDX_READ + 0] = FLEXSPI_LUT_SEQ(
0050           CMD_SDR, FLEXSPI_1PAD, 0xEB,
0051           RADDR_SDR, FLEXSPI_4PAD, 24),
0052       [4 * NOR_CMD_LUT_SEQ_IDX_READ + 1] = FLEXSPI_LUT_SEQ(
0053           DUMMY_SDR, FLEXSPI_4PAD, 6,
0054           READ_SDR, FLEXSPI_4PAD, 4),
0055       /* Read Status LUTs */
0056       [4 * NOR_CMD_LUT_SEQ_IDX_READSTATUS + 0] = FLEXSPI_LUT_SEQ(
0057           CMD_SDR, FLEXSPI_1PAD, 0x5,
0058           READ_SDR, FLEXSPI_1PAD, 4),
0059       /* Write Enable LUTs */
0060       [4 * NOR_CMD_LUT_SEQ_IDX_WRITEENABLE + 0] = 0,
0061       /* Erase Sector LUTs */
0062       [4 * NOR_CMD_LUT_SEQ_IDX_ERASESECTOR + 0] = 0,
0063       /* Page Program LUTs */
0064       [4 * NOR_CMD_LUT_SEQ_IDX_PAGEPROGRAM + 0] = 0,
0065       /* Erase Chip LUTs */
0066       [4 * NOR_CMD_LUT_SEQ_IDX_CHIPERASE + 0] = 0,
0067     },
0068   },
0069   .pageSize = 256,
0070   .sectorSize = 4096,
0071   .blockSize = 32 * 1024,
0072   .isUniformBlockSize = 1,
0073 };