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AT8902M
Software Description
Page 4 - 9
AT8902M User Guide
A list of defined postcodes is shown in the table below.
Table 4-2: POST Boot Steps
POST Step Code
Value
Boot Step
PC_INIT
0x00
Initial PC, EBC has been set up
PC_BINIT
0x01
Board early init (interrupt settings)
PC_CLOCKS
0x02
Get system clocks
PC_TIMEB
0x03
Init timebase
PC_ENVINIT
0x04
Init environment
PC_BAUD
0x05
Init baudrate
PC_SERIAL
0x06
Init UART
PC_CPU
0x07
Check CPU
PC_PHY
0x08
Setup PHY
PC_I2C
0x09
Init I2C
PC_INITRAM
0x0A
Init SDRAM controller and SDRAM
PC_TESTRAM
0x0B
Test SDRAM
PC_INITSEQ
0x0F
Board init sequence completed
PC_INITBOARD
0x10
Board init ok, stack set up ok, board info struct set up
PC_RELOC
0x11
Relocation completed
PC_TRAP
0x18
Setup trap handler
PC_FLASH
0x19
Flash OK
PC_CPU2
0x1A
Init higher level parts of CPU
PC_RELOCENV
0x1B
Relocation of environment Ok
PC_BDINFO
0x1C
Fill missing fields of bdinfo
PC_PCI
0x1D
PCI configuration done
PC_DEVICES
0x1E
Device init done
PC_JUMPTABLE
0x1F
Jumptable init done
PC_CONSOLE
0x20
Console init done
PC_MAIN
0x2F
Enter main loop
PC_START_OS
0x3F
Pass control to OS, leave bootloader
Содержание AT8902M
Страница 14: ...AT8902M Introduction Page 1 1 AT8902M User Guide Introduction Chapter 1...
Страница 28: ...Installation Chapter 2 Page 2 1 AT8902M User Guide AT8902M Installation...
Страница 34: ...Hardware Description Chapter 3 Page 3 1 AT8902M User Guide AT8902M Hardware Description...
Страница 66: ...Software Description Page 4 1 AT8902M User Guide AT8902M Software Description Chapter 4...
Страница 88: ...AT8902M Getting Help Page A 1 AT8902M User Guide Getting Help Appendix A...