Serial Flash Mailbox Client Intel® FPGA IP User Guide

ID 683509
Date 9/26/2022
Public

Erasing Flash Memory

Here are the steps to erase flash memory:
# Write Offset 4 to request access to the flash memory device.
master_write_32 $m $AsmiOpen 0x1

# Write Offset 3 to select the 1st flash memory device attached to the IP.
master_write_32 $m $AsmiChipSelect 0x0

# Write Offset 6 to perform write enable operation to the device.
master_write_32 $m $AsmiWrEnable 0x1

# Writing the address argument to Offset 9 (Perform Sector Erase on address 0x03FF0000)
master_write_32 $m $AsmiSectorErase 0x03FF0000

# Write Offset 5 to close access to the flash memory device.
master_write_32 $m $AsmiClose 0x1

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