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