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Intel: The following warning is displayed when specifying the initial value file (Word 245760, Size 32) to the Intel MAX® 10 User Flash Memory (UFM) and executing Synthesis. Is there a problem with the hex file?
MAX
Nios II
<Warning message>
Warning (113006): Word addressed memory initialization file "＊＊＊.hex" was read in the byte-addressed format File: /＊＊＊.hex Line: 1
Warning (113015): Width of data items in "＊＊＊.hex" is greater than the memory width. Wrapping data items to subsequent addresses. Found 245760 warnings, reporting 10 File: /＊＊＊.hex Line: 1
Warning (113006): Word addressed memory initialization file "＊＊＊.hex" was read in the byte-addressed format File: /＊＊＊.hex Line: 1
Warning (113015): Width of data items in "＊＊＊.hex" is greater than the memory width. Wrapping data items to subsequent addresses. Found 245760 warnings, reporting 10 File: /＊＊＊.hex Line: 1
Category: Quartus® Prime
Tools: Quartus® Prime
Device: MAX®10
The Addressing mode of the initial value file supported by the Altera On-Chip Flash IP core was as follows.
.hex: byte addressing
.mif: word addressing
(reference)
MAX10 User Flash Memory User Guide
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/max-10/ug_m10_ufm.pdf
(See Table 7. Types of Flash Initialization File Supported.)
Therefore, it is necessary to use byte (size = 8) when creating an initial value file in .hex.
In addition, since the Sector Address of the Altera On-Chip Flash IP Core's Flahs Memory is displayed as a byte address, it must be converted to a 32-bit address for the Avalon-MM interface.
(reference)
MAX10 User Flash Memory User Guide
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/max-10/ug_m10_ufm.pdf
(See 5.3.1 Sector Address.)
From the above, when initializing the Altera On-Chip Flash IP core in .hex, it must be generated with a size of 8bit.
Tools: Quartus® Prime
Device: MAX®10
The Addressing mode of the initial value file supported by the Altera On-Chip Flash IP core was as follows.
.hex: byte addressing
.mif: word addressing
(reference)
MAX10 User Flash Memory User Guide
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/max-10/ug_m10_ufm.pdf
(See Table 7. Types of Flash Initialization File Supported.)
Therefore, it is necessary to use byte (size = 8) when creating an initial value file in .hex.
In addition, since the Sector Address of the Altera On-Chip Flash IP Core's Flahs Memory is displayed as a byte address, it must be converted to a 32-bit address for the Avalon-MM interface.
(reference)
MAX10 User Flash Memory User Guide
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/max-10/ug_m10_ufm.pdf
(See 5.3.1 Sector Address.)
From the above, when initializing the Altera On-Chip Flash IP core in .hex, it must be generated with a size of 8bit.
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