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- Close all Xilinx Programs.
- Power off TE0722
- Bridge S25FL127S Pin 7 temporary with GND to set Boot Mode Mode to independent JTAG Bode Mode only (See picture).
- Power on TE0722
- Open SDK
- Disconnect you GND bridge to Pin 7
- (optional) Try to get access to the FPGA with SDK Debugger (Is this not possible, flash programming is also not possible)
- Try to program Flash with valid Boot.Bin, if programming failed try again from step 1.
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Pin 7 is connected with Pullup-Resistor to 3.3V, to set FPGA in Quad-SPI Mode. To Short short this Pin with GND enable JTAG Bode Mode only.
Connect Pin 7 to Pin 4 (GND) one of the GND Pins only temporary for startup procedure. After startup, Pin 7 trace is used to program the Flash. So you must disconnect your GND-bridge.
References
- Zynq-7000 All Programmable SoC - Technical Reference Manual (UG585):Page 167-Section 6.25 Boot Mode Pin Settings
- TE0722 Schematics:TE0722 Download Page
- S25FL127SABMFV10 Datasheet
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