Laczen commented on code in PR #19255:
URL: https://github.com/apache/nuttx/pull/19255#discussion_r3531662100
##########
arch/arm/src/rp23xx/Kconfig:
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@@ -1059,3 +1059,69 @@ config RP23XX_BOARD_HAS_WS2812
---help---
See the Board Selection menu to configure the pins used
by ws2812.
+
+#####################################################################
+# On-chip Flash File System Configuration
+#####################################################################
+
+config RP23XX_FLASH_MTD
+ bool "MTD device over the on-chip QSPI flash"
+ default n
+ select MTD
+ ---help---
+ Create an MTD device spanning the entire on-chip QSPI flash,
+ using the RP2350 bootrom flash programming functions. It is
+ registered as /dev/rpflash. Because the MTD covers the whole
+ chip, the region the NuttX image lives in stays addressable (for
+ example, for a firmware/OTA update). Filesystem and OTA
+ partitions are layered on top with mtd_partition().
+
+if RP23XX_FLASH_MTD
+
+config RP23XX_FLASH_LENGTH
Review Comment:
Is RP23XX_FLASH_SIZE a better name?
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