Methods to download firmware to EZ_HOST/EZ_OTG in standalone mode
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Answer:
In Standalone mode EZ_HOST/EZ_OTG is the main processor for the entire system. If both GPIO[31:30] pins are pulled high then the internal ROM BIOS boots in Standalone mode . The USB ports on both SIE1/SIE2 will function in peripheral mode by default. Connect a USB cable between Host PC and the any one of the two peripheral ports and follow the methods explained below to download the firmware.
i. Download to EEPROM: Using windows based bash shell utility(qtui2c.exe available in CY3663 Development kit ), the entire firmware image can be downloaded into I2C based EEPROM. After reset the image will boot from the EEPROM.
ii. Download to on-chip RAM: The image can be downloaded directly to RAM using load_ram utility which is a PC based bash shell script. Please refer to these scripts in CY4640 RDK firmware example folders (msc, scsi).
- Tags:
- usb hosts
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