This application is designed to display various properties of the bitfile. Users can extract information about whether Quad SPI is enabled, if ECLK is in use, and whether the WBSTAR value is correct. It is particularly useful when you are uncertain about these parameters and do not want to wait for another synthesis or implementation.
You can also find browser based app in this link : https://kivancgnlp.github.io/WebApps/Xilinx_Bitfile_Information_Reader/index.html
- Install Rust: https://rustup.rs
- Clone or unzip project
- cd project
- cargo build
- cargo run -- [bit file path]
Opening file: Kaynak_data/simple_counter_quadspi_externalclkdiv2.bit
*********** Bit file header dump ( this part will not be present on the flash ) *********
Design name (a) : simple_counter;UserID=12345678;Version=2023.2
Part name (b) : 7a35ticsg324
Date (c) : 2025/12/05
Time (d) : 08:21:55
*********** Bit file header dump end *********
BPI_SPI_Configuration : SPI_READ_OPCODE : 0x6b, bus_width : 4, 32-bit adr : false
Command register Write. Command : BSPI_READ
Config register Write to TIMER with value : 0x0
Config register Write to WBSTAR with value : 0x10203040
Command register Write. Command : IPROG
Command register Write. Command : RCRC
Config register Write to RBCRC_SW with value : 0x0
COR0 Write : 6403fe5 COR0 { GWE_CYCLE: 5, GTS_CYCLE: 4, LOCK_CYCLE: 7, MATCH_CYCLE: 7, DONE_CYCLE: 3, RESERVED_1: 0, OSCFSEL: 32, RESERVED_2: 0, DRIVE_DONE: 0, RESERVED_3: 1, ECLK_EN: 1, RESERVED_4: 0 }
Config register Write to COR1 with value : 0x0
ID Code Config register Write. Bit file is prepared for the following device : Artix-7 (XC7A35T)
Command register Write. Command : SWITCH
Config register Write to MASK with value : 0x1
Config register Write to CTL0 with value : 0x101
Config register Write to MASK with value : 0x0
Config register Write to CTL1 with value : 0x0
Config register Write to FAR with value : 0x0
Command register Write. Command : WCFG
Bulk data Write ( 547420 Double Words ) ( 2189680 bytes )
Config register Write to CRC with value : 0xf6589aaf
Command register Write. Command : GRESTORE
Command register Write. Command : DGHIGH_LFRM
Command register Write. Command : START
Config register Write to FAR with value : 0x3be0000
Config register Write to MASK with value : 0x101
Config register Write to CTL0 with value : 0x101
Config register Write to CRC with value : 0x7db41709
Command register Write. Command : DESYNC
End of file reached
The application currently uses a small dataset for generating IDCODE to device description. You can add lines to the "Kaynak_data/Known_ID_Codes.txt" file if you need to verify bitstream's IDCODE for your device.