coldboot/micron_n25q_flash.h

   1 // © 2020 Raptor Engineering, LLC
   2 //
   3 // Released under the terms of the GPL v3
   4 // See the LICENSE file for full details
   5
   6 uint32_t micron_n25q_spi_device_ids[] = { 0x20ba2010, 0x20ba2110,
   7                                           0x20ba1810 };
   8
   9 const char *micron_n25q_spi_device_names[] = { "Micron N25Q 512Mb",
  10                                                 "Micron N25Q 1024Mb",
  11                                                 "Micron N25Q 128Mb" };
  12
  13 #define MICRON_N25Q_SPI_FAST_READ_DUMMY_CLOCK_CYCLES 10
  14
  15 #define MICRON_N25Q_SPI_3BA_SPI_READ_CMD 0x03
  16 #define MICRON_N25Q_SPI_4BA_SPI_READ_CMD 0x13
  17
  18 // NOTE: QSPI mode unavailable for single read, use Write Disable command as plaecholder
  19 #define MICRON_N25Q_SPI_3BA_QSPI_READ_CMD 0x04
  20 #define MICRON_N25Q_SPI_4BA_QSPI_READ_CMD 0x04
  21
  22 #define MICRON_N25Q_SPI_3BA_SPI_FAST_READ_CMD  0x0b
  23 #define MICRON_N25Q_SPI_4BA_SPI_FAST_READ_CMD  0x0c
  24 #define MICRON_N25Q_SPI_3BA_QSPI_FAST_READ_CMD 0xeb
  25 #define MICRON_N25Q_SPI_4BA_QSPI_FAST_READ_CMD 0xec
  26
  27 // NOTE: The same command code is used for both QSPI 3BA and QSPI 4BA extended quad input writes, thus the device must be placed in either 3BA or 4BA mode prior
  28 // to issuing PAGE PROGRAM
  29 #define MICRON_N25Q_SPI_3BA_SPI_PAGE_PROGRAM_CMD  0x02
  30 #define MICRON_N25Q_SPI_4BA_SPI_PAGE_PROGRAM_CMD  0x12
  31 #define MICRON_N25Q_SPI_3BA_QSPI_PAGE_PROGRAM_CMD 0x38
  32 #define MICRON_N25Q_SPI_4BA_QSPI_PAGE_PROGRAM_CMD 0x38