Kontron AT8901, Руководство пользователя

Страница: 61 / 79

AT8901 Software Description
Page 4 - 9 AT8901 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