diff options
Diffstat (limited to 'ports/mimxrt10xx/boards/teensy41/flash_config.c')
| -rw-r--r-- | ports/mimxrt10xx/boards/teensy41/flash_config.c | 191 |
1 files changed, 117 insertions, 74 deletions
diff --git a/ports/mimxrt10xx/boards/teensy41/flash_config.c b/ports/mimxrt10xx/boards/teensy41/flash_config.c index 426deb884..7b2bfb768 100644 --- a/ports/mimxrt10xx/boards/teensy41/flash_config.c +++ b/ports/mimxrt10xx/boards/teensy41/flash_config.c @@ -6,12 +6,8 @@ */ #include "fsl_flexspi_nor_boot.h" -#include "fsl_flexspi_nor_config.h" +#include "boards/board.h" -/* Component ID definition, used by tools. */ -#ifndef FSL_COMPONENT_ID -#define FSL_COMPONENT_ID "platform.drivers.xip_device" -#endif __attribute__((section(".boot_hdr.ivt"))) /************************************* @@ -39,88 +35,135 @@ const BOOT_DATA_T boot_data = { 0xFFFFFFFF /* empty - extra data word */ }; +// Config for W25Q64JV with QSPI routed. __attribute__((section(".boot_hdr.conf"))) -// Values copied from https://github.com/PaulStoffregen/cores/blob/ddb23fa5d97dac763bc06e11b9b41f026bd51f0a/teensy4/bootdata.c#L39 const flexspi_nor_config_t qspiflash_config = { + .pageSize = 256u, + .sectorSize = 4u * 1024u, + .ipcmdSerialClkFreq = kFlexSpiSerialClk_30MHz, + .blockSize = 0x00010000, + .isUniformBlockSize = false, .memConfig = { .tag = FLEXSPI_CFG_BLK_TAG, .version = FLEXSPI_CFG_BLK_VERSION, .readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackFromDqsPad, - .csHoldTime = 1u, - .csSetupTime = 2u, - // Enable DDR mode, Wordaddressable, Safe configuration, Differential clock + .csHoldTime = 3u, + .csSetupTime = 3u, + + .busyOffset = 0u, // Status bit 0 indicates busy. + .busyBitPolarity = 0u, // Busy when the bit is 1. + + .deviceModeCfgEnable = 1u, + .deviceModeType = kDeviceConfigCmdType_QuadEnable, + .deviceModeSeq = { + .seqId = 4u, + .seqNum = 1u, + }, + .deviceModeArg = 0x02, .deviceType = kFlexSpiDeviceType_SerialNOR, .sflashPadType = kSerialFlash_4Pads, - .serialClkFreq = kFlexSpiSerialClk_60MHz, // 03 + .serialClkFreq = kFlexSpiSerialClk_60MHz, .sflashA1Size = FLASH_SIZE, .lookupTable = { // FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1) - // (FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) | - // FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1)) - // Read LUTs - FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18), - FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04), - 0, - 0, - - 0x24040405, - 0, - 0, - 0, - - 0, - 0, - 0, - 0, - - 0x00000406, - 0, - 0, - 0, - - 0, - 0, - 0, - 0, - - 0x08180420, - 0, - 0, - 0, - - 0, - 0, - 0, - 0, - - 0, - 0, - 0, - 0, - - 0x081804D8, - 0, - 0, - 0, - - 0x08180402, - 0x00002004, - 0, - 0, - - 0, - 0, - 0, - 0, - - 0x00000460, + // The high 16 bits is command 1 and the low are command 0. + // Within a command, the top 6 bits are the opcode, the next two are the number + // of pads and then last byte is the operand. The operand's meaning changes + // per opcode. + + // Indices with ROM should always have the same function because the ROM + // bootloader uses it. + + // 0: ROM: Read LUTs + // Quad version + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB /* the command to send */, + RADDR_SDR, FLEXSPI_4PAD, 24 /* bits to transmit */), + FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 6 /* 6 dummy cycles, 2 for M7-0 and 4 dummy */, + READ_SDR, FLEXSPI_4PAD, 0x04), + // Single fast read version, good for debugging. + // FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x0B /* the command to send */, + // RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */), + // FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_1PAD, 8 /* 8 dummy clocks */, + // READ_SDR, FLEXSPI_1PAD, 0x04), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 1: ROM: Read status + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05 /* the command to send */, + READ_SDR, FLEXSPI_1PAD, 0x01), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 2: Empty + EMPTY_SEQUENCE, + + // 3: ROM: Write Enable + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06 /* the command to send */, + STOP, FLEXSPI_1PAD, 0x00), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 4: Config: Write Status + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x31 /* the command to send */, + WRITE_SDR, FLEXSPI_1PAD, 0x01), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 5: ROM: Erase Sector + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20 /* the command to send */, + RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 6: Empty + EMPTY_SEQUENCE, + + // 7: Empty + EMPTY_SEQUENCE, + + // 8: Block Erase + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8 /* the command to send */, + RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 9: ROM: Page program + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02 /* the command to send */, + RADDR_SDR, FLEXSPI_1PAD, 24 /* bits to transmit */), + + FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04 /* data out */, + STOP, FLEXSPI_1PAD, 0), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 10: Empty + EMPTY_SEQUENCE, + + // 11: ROM: Chip erase + SEQUENCE(FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60 /* the command to send */, + STOP, FLEXSPI_1PAD, 0), + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS, + TWO_EMPTY_STEPS), + + // 12: Empty + EMPTY_SEQUENCE, + + // 13: ROM: Read SFDP + EMPTY_SEQUENCE, + + // 14: ROM: Restore no cmd + EMPTY_SEQUENCE, + + // 15: ROM: Dummy + EMPTY_SEQUENCE }, }, - .pageSize = 256u, - .sectorSize = 4u * 1024u, - .ipcmdSerialClkFreq = kFlexSpiSerialClk_30MHz, - .blockSize = 0x00010000, - .isUniformBlockSize = false, }; |