rt-thread/bsp/imxrt1052-evk/xip/fsl_flexspi_nor_flash.c

/*
 * The Clear BSD License
 * Copyright 2017 NXP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted (subject to the limitations in the disclaimer below) provided
 * that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o 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.
 *
 * o Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
 * 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 HOLDER 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 "fsl_flexspi_nor_flash.h"

/*******************************************************************************
 * Code
 ******************************************************************************/
#if defined(__CC_ARM) || defined(__GNUC__)
    __attribute__((section(".boot_hdr.conf")))
#elif defined(__ICCARM__)
#pragma location=".boot_hdr.conf"
#endif

const flexspi_nor_config_t hyperflash_config =
{
    .memConfig =
    {
        .tag = FLEXSPI_CFG_BLK_TAG,
        .version = FLEXSPI_CFG_BLK_VERSION,
        .readSampleClkSrc = kFlexSPIReadSampleClk_ExternalInputFromDqsPad,
        .csHoldTime = 3u,
        .csSetupTime = 3u,
        .columnAddressWidth = 3u,
        // Enable DDR mode, Wordaddassable, Safe configuration, Differential clock
        .controllerMiscOption = (1u << kFlexSpiMiscOffset_DdrModeEnable) |
                                (1u << kFlexSpiMiscOffset_WordAddressableEnable) |
                                (1u << kFlexSpiMiscOffset_SafeConfigFreqEnable) |
                                (1u << kFlexSpiMiscOffset_DiffClkEnable),
        .sflashPadType = kSerialFlash_8Pads,
        .serialClkFreq = kFlexSpiSerialClk_133MHz,
        .sflashA1Size = 64u * 1024u * 1024u,
        .dataValidTime = {16u, 16u},
        .lookupTable =
            {
                // Read LUTs
                FLEXSPI_LUT_SEQ(CMD_DDR, FLEXSPI_8PAD, 0xA0, RADDR_DDR, FLEXSPI_8PAD, 0x18),
                FLEXSPI_LUT_SEQ(CADDR_DDR, FLEXSPI_8PAD, 0x10, DUMMY_DDR, FLEXSPI_8PAD, 0x06),
                FLEXSPI_LUT_SEQ(READ_DDR, FLEXSPI_8PAD, 0x04, STOP, FLEXSPI_1PAD, 0x0),
            },
    },
    .pageSize = 512u,
    .sectorSize = 256u * 1024u,
    .blockSize = 256u * 1024u,
    .isUniformBlockSize = true,
};