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// -----------------------------------------------------------------------------
// file: teensy40.s
// desc: various startup and configuration data for Teensy 4.0.
// -----------------------------------------------------------------------------
// References
// i.MX RT1060 Processor Reference Manual
// - Section 9.7.1 "Image Vector Table and Boot Data"
// Teensyduino 1.53 by Paul Stoffregen (PJRC)
// - cores/teensy4/bootdata.c
// - cores/teensy4/startup.c
// -----------------------------------------------------------------------------
.section .boot_data
.global __boot_data
__boot_data:
.word 0x60000000 // boot start location
.word _image_size // flash size
.word 0 // plugin flag, use 0 to indicate normal (non-plugin) ROM image
.section .ivt
.global __ivt
__ivt:
.word 0x402000D1 // header (version 4.0)
.word _svectors // image entry function
.word 0 // reserved
.word 0 // DCD info (optional, set to 0|NULL if unused)
.word __boot_data // boot data struct
.word __ivt // self
.word 0 // command sequence file (CSF) not provided in image
.word 0 // reserved
.section .flash_config
.global __flash_config
__flash_config:
// 448 byte common FlexSPI configuration block, 8.6.3.1 page 223 (RT1060 rev 0)
// MCU_Flashloader_Reference_Manual.pdf, 8.2.1, Table 8-2, page 72-75
.word 0x42464346 // Tag 0x00
.word 0x56010000 // Version
.word 0 // reserved
.word 0x00020101 // columnAdressWidth,dataSetupTime,dataHoldTime,readSampleClkSrc
.word 0x00000000 // waitTimeCfgCommands,-,deviceModeCfgEnable
.word 0 // deviceModeSeq
.word 0 // deviceModeArg
.word 0x00000000 // -,-,-,configCmdEnable
.word 0 // configCmdSeqs 0x20
.word 0
.word 0
.word 0
.word 0 // cfgCmdArgs 0x30
.word 0
.word 0
.word 0
.word 0x00000000 // controllerMiscOption 0x40
.word 0x00030401 // lutCustomSeqEnable,serialClkFreq,sflashPadType,deviceType
.word 0 // reserved
.word 0 // reserved
.word 0x00200000 // sflashA1Size (Teensy 4.0) 0x50
//.word 0x00800000 // sflashA1Size (Teensy 4.1) 0x50
.word 0 // sflashA2Size
.word 0 // sflashB1Size
.word 0 // sflashB2Size
.word 0 // csPadSettingOverride 0x60
.word 0 // sclkPadSettingOverride
.word 0 // dataPadSettingOverride
.word 0 // dqsPadSettingOverride
.word 0 // timeoutInMs 0x70
.word 0 // commandInterval
.word 0 // dataValidTime
.word 0x00000000 // busyBitPolarity,busyOffset
.word 0x0A1804EB // lookupTable[0] 0x80
.word 0x26043206 // lookupTable[1]
.word 0 // lookupTable[2]
.word 0 // lookupTable[3]
.word 0x24040405 // lookupTable[4] 0x90
.word 0 // lookupTable[5]
.word 0 // lookupTable[6]
.word 0 // lookupTable[7]
.word 0 // lookupTable[8] 0xA0
.word 0 // lookupTable[9]
.word 0 // lookupTable[10]
.word 0 // lookupTable[11]
.word 0x00000406 // lookupTable[12] 0xB0
.word 0 // lookupTable[13]
.word 0 // lookupTable[14]
.word 0 // lookupTable[15]
.word 0 // lookupTable[16] 0xC0
.word 0 // lookupTable[17]
.word 0 // lookupTable[18]
.word 0 // lookupTable[19]
.word 0x08180420 // lookupTable[20] 0xD0
.word 0 // lookupTable[21]
.word 0 // lookupTable[22]
.word 0 // lookupTable[23]
.word 0 // lookupTable[24] 0xE0
.word 0 // lookupTable[25]
.word 0 // lookupTable[26]
.word 0 // lookupTable[27]
.word 0 // lookupTable[28] 0xF0
.word 0 // lookupTable[29]
.word 0 // lookupTable[30]
.word 0 // lookupTable[31]
.word 0x081804D8 // lookupTable[32] 0x100
.word 0 // lookupTable[33]
.word 0 // lookupTable[34]
.word 0 // lookupTable[35]
.word 0x08180402 // lookupTable[36] 0x110
.word 0x00002004 // lookupTable[37]
.word 0 // lookupTable[38]
.word 0 // lookupTable[39]
.word 0 // lookupTable[40] 0x120
.word 0 // lookupTable[41]
.word 0 // lookupTable[42]
.word 0 // lookupTable[43]
.word 0x00000460 // lookupTable[44] 0x130
.word 0 // lookupTable[45]
.word 0 // lookupTable[46]
.word 0 // lookupTable[47]
.word 0 // lookupTable[48] 0x140
.word 0 // lookupTable[49]
.word 0 // lookupTable[50]
.word 0 // lookupTable[51]
.word 0 // lookupTable[52] 0x150
.word 0 // lookupTable[53]
.word 0 // lookupTable[54]
.word 0 // lookupTable[55]
.word 0 // lookupTable[56] 0x160
.word 0 // lookupTable[57]
.word 0 // lookupTable[58]
.word 0 // lookupTable[59]
.word 0 // lookupTable[60] 0x170
.word 0 // lookupTable[61]
.word 0 // lookupTable[62]
.word 0 // lookupTable[63]
.word 0 // LUT 0: Read 0x180
.word 0 // LUT 1: ReadStatus
.word 0 // LUT 3: WriteEnable
.word 0 // LUT 5: EraseSector
.word 0 // LUT 9: PageProgram 0x190
.word 0 // LUT 11: ChipErase
.word 0 // LUT 15: Dummy
.word 0 // LUT unused?
.word 0 // LUT unused? 0x1A0
.word 0 // LUT unused?
.word 0 // LUT unused?
.word 0 // LUT unused?
.word 0 // reserved 0x1B0
.word 0 // reserved
.word 0 // reserved
.word 0 // reserved
// 64 byte Serial NOR configuration block (8.6.3.2, page 346)
.word 256 // pageSize 0x1C0
.word 4096 // sectorSize
.word 1 // ipCmdSerialClkFreq
.word 0 // reserved
.word 0x00010000 // block size 0x1D0
.word 0 // reserved
.word 0 // reserved
.word 0 // reserved
.word 0 // reserved 0x1E0
.word 0 // reserved
.word 0 // reserved
.word 0 // reserved
.word 0 // reserved 0x1F0
.word 0 // reserved
.word 0 // reserved
.word 0 // reserved
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