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T4240 NOR Boot

Question asked by cheng dang on May 22, 2018
Latest reply on Jan 24, 2019 by Monali Haware

We designed a custom board with T4240. During power on, T4240 reads RCW data, PBI data from EEPROM. In RCW boot location is mentioned as IFC and 128 MB NOR flash is connected to CS0.

After reset its not booting the u-boot in NOR. Chip select is not coming from T4240.

HRESET is released,ASLEEP goes low. PBI data is reflected in CCSR registers.But not booting from NOR. Program counter is in 0xFFFFFFFC(Observed through JTAG).

Any ideas why its not loading boot blocks from NOR...