lowRISC / lowRISC/opentitan

[spi_device] Flash Payload Buffer size

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#29,624 3 comments 0 reactions 2 assignees View on GitHub

@nsw-lowrisc is already working on this.

Since Apr 21, 2026.

IP:spi_device Type:FutureRelease Type:Icebox
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SystemVerilog
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Description

Description

Currently the flash payload buffer is only 256 bytes in size while the read buffer is 2KB. In use cases where EEPROM mode is used as a generic data transfer mechanism with the host it would help to increase throughput if the payload buffer size was increased to a larger size ideally 2KB.

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