diff options
Diffstat (limited to 'bsps/arm/imxrt/boards/saltshaker/flash-flexspi-config.c')
-rw-r--r-- | bsps/arm/imxrt/boards/saltshaker/flash-flexspi-config.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/boards/saltshaker/flash-flexspi-config.c b/bsps/arm/imxrt/boards/saltshaker/flash-flexspi-config.c new file mode 100644 index 0000000000..14df880685 --- /dev/null +++ b/bsps/arm/imxrt/boards/saltshaker/flash-flexspi-config.c @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/* + * Copyright (C) 2023 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <bsp/flash-headers.h> +#include <bspopts.h> + +const flexspi_nor_config_t imxrt_flexspi_config = { + .memConfig = { + .tag = FLEXSPI_CFG_BLK_TAG, + .version = FLEXSPI_CFG_BLK_VERSION, + .readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackInternally, + .csHoldTime = 1u, /* In serial Clk cycles. tSLCH = 3ns for the W25Q64JV. */ + .csSetupTime = 1u, /* In serial Clk cycles. tCHSH = 3ns for the W25Q64JV. */ + .columnAddressWidth = 0u, /* W25Q64JV needs one linear address. */ + .controllerMiscOption = 0u, + .deviceType = kFlexSpiDeviceType_SerialNOR, + .sflashPadType = kSerialFlash_4Pads, + .serialClkFreq = kFlexSpiSerialClk_100MHz, /* FIXME: 133MHz should be possible */ + .sflashA1Size = IMXRT_MEMORY_FLASH_SIZE, + .dataValidTime = {0u, 0u}, /* Only relevant for Clock < 100MHz */ + .busyOffset = 0, + .busyBitPolarity = 0, + .lookupTable = { + /* Read LUTs */ + [4 * NOR_CMD_LUT_SEQ_IDX_READ + 0] = FLEXSPI_LUT_SEQ( + CMD_SDR, FLEXSPI_1PAD, 0xEB, + RADDR_SDR, FLEXSPI_4PAD, 24), + [4 * NOR_CMD_LUT_SEQ_IDX_READ + 1] = FLEXSPI_LUT_SEQ( + DUMMY_SDR, FLEXSPI_4PAD, 6, + READ_SDR, FLEXSPI_4PAD, 4), + /* Read Status LUTs */ + [4 * NOR_CMD_LUT_SEQ_IDX_READSTATUS + 0] = FLEXSPI_LUT_SEQ( + CMD_SDR, FLEXSPI_1PAD, 0x5, + READ_SDR, FLEXSPI_1PAD, 4), + /* Write Enable LUTs */ + [4 * NOR_CMD_LUT_SEQ_IDX_WRITEENABLE + 0] = 0, + /* Erase Sector LUTs */ + [4 * NOR_CMD_LUT_SEQ_IDX_ERASESECTOR + 0] = 0, + /* Page Program LUTs */ + [4 * NOR_CMD_LUT_SEQ_IDX_PAGEPROGRAM + 0] = 0, + /* Erase Chip LUTs */ + [4 * NOR_CMD_LUT_SEQ_IDX_CHIPERASE + 0] = 0, + }, + }, + .pageSize = 256, + .sectorSize = 4096, + .blockSize = 32 * 1024, + .isUniformBlockSize = 1, +}; |