/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted 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 Freescale Semiconductor, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 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. */ // This is the QCB for the case that two MX25U3235F are connected to QuadSPI0A and QuadSPI0B ports. // Work under parallel mode const qspi_config_t qspi_config_block = { .tag = kQspiConfigTag, .version = {.version = kQspiVersionTag }, .lengthInBytes = 512, .sflash_A1_size = 0x400000, // 4MB .sflash_B1_size = 0x400000, // 4MB .sclk_freq = kQspiSerialClockFreq_High, // High frequency .sflash_type = kQspiFlashPad_Quad, // SPI Flash devices work under quad-pad mode .sflash_port = kQspiPort_EnableBothPorts, // Both QSPI0A and QSPI0B are enabled. .busy_bit_offset = 0, // Busy offset is 0 .ddr_mode_enable = 0, // disable DDR mode .dqs_enable = 0, // Disable DQS feature .parallel_mode_enable = 1, // QuadSPI module work under parallel mode .pagesize = 512, // Page Size : 256 *2 = 512 bytes .sectorsize = 0x2000, // Sector Size: 4KB * 2 = 8KB .device_mode_config_en = 1, // configure quad mode for spi flash .device_cmd = 0x40, // Enable quad mode .write_cmd_ipcr = 0x05000000U, // IPCR indicating enable seqid (5<<24) .ips_command_second_divider = 3, // Set second divider for QSPI serial clock to 3 .look_up_table = { // Seq0 : Quad Read (maximum supported freq: 104MHz) /* CMD: 0xEB - Quad Read, Single pad ADDR: 0x18 - 24bit address, Quad pads DUMMY: 0x06 - 6 clock cycles, Quad pads READ: 0x80 - Read 128 bytes, Quad pads JUMP_ON_CS: 0 */ [0] = 0x0A1804EB, [1] = 0x1E800E06, [2] = 0x2400, // Seq1: Write Enable (maximum supported freq: 104MHz) /* CMD: 0x06 - Write Enable, Single pad */ [4] = 0x406, // Seq2: Erase All (maximum supported freq: 104MHz) /* CMD: 0x60 - Erase All chip, Single pad */ [8] = 0x460, // Seq3: Read Status (maximum supported freq: 104MHz) /* CMD: 0x05 - Read Status, single pad READ: 0x01 - Read 1 byte */ [12] = 0x1c010405, // Seq4: Page Program (maximum supported freq: 104MHz) /* CMD: 0x02 - Page Program, Single pad ADDR: 0x18 - 24bit address, Single pad WRITE: 0x40 - Write 64 bytes at one pass, Single pad (0x40 is ignored, as it will be overwritten by page size) */ [16] = 0x08180402, [17] = 0x2040, // Seq5: Write status register to enable quad mode /* CMD: 0x01 - Write Status Register, single pad WRITE: 0x01 - Write 1 byte of data, single pad */ [20] = 0x20010401, // Seq7: Erase Sector /* CMD: 0x20 - Sector Erase, single pad ADDR: 0x18 - 24 bit address, single pad */ [28] = 0x08180420, // Seq8: Dummy /* CMD: 0 - Dummy command, used to force SPI flash to exit continuous read mode. unecessary here because the continous read mode isn't enabled. */ [32] = 0, }, };