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boards/xtensa: add option to disable SPI Flash MTD automatic bringup
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The ESP32*_SPIFLASH_AUTO_BRINGUP option allows disabling automatic bringup.
This causes /dev/mtdblock0 to show up instead of always mounting a file system.

Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
This commit is contained in:
Filipe Cavalcanti
2026-03-17 09:19:26 -03:00
committed by Xiang Xiao
parent 4e8bc78307
commit 1630b483d2
6 changed files with 32 additions and 11 deletions
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boards/xtensa/esp32/common/Kconfig
+11 -3
View File
@@ -19,10 +19,18 @@ config ESP32_QEMU_IMAGE
---help---
Create a binary flash image used for QEMU.
choice ESP32_SPIFLASH_FS
prompt "Mount SPI Flash MTD on bring-up"
default ESP32_SPIFLASH_SMARTFS
config ESP32_SPIFLASH_AUTO_BRINGUP
bool "Automatic mount of SPI Flash MTD"
default y
depends on ESP32_SPIFLASH
---help---
Auto bring-up the SPI Flash MTD on board bring-up.
If not selected, the MTD will be registered as a device node on /dev.
choice ESP32_SPIFLASH_FS
prompt "File system to mount on SPI Flash MTD"
default ESP32_SPIFLASH_SMARTFS
depends on ESP32_SPIFLASH_AUTO_BRINGUP
optional
---help---
Mount the SPI Flash MTD with the selected File System format on board
boards/xtensa/esp32s2/common/Kconfig
+10 -2
View File
@@ -12,10 +12,18 @@ config ESP32S2_MERGE_BINS
This is only useful when the path to binary files (e.g. bootloader)
is provided via the ESPTOOL_BINDIR variable.
config ESP32S2_SPIFLASH_AUTO_BRINGUP
bool "Automatic mount of SPI Flash MTD"
default y
depends on ESP32S2_SPIFLASH
---help---
Auto bring-up the SPI Flash MTD on board bring-up.
If not selected, the MTD will be registered as a device node on /dev.
choice ESP32S2_SPIFLASH_FS
prompt "Mount SPI Flash MTD on bring-up"
prompt "File system to mount on SPI Flash MTD"
default ESP32S2_SPIFLASH_SMARTFS
depends on ESPRESSIF_SPIFLASH
depends on ESP32S2_SPIFLASH_AUTO_BRINGUP
optional
---help---
Mount the SPI Flash MTD with the selected File System format on board
boards/xtensa/esp32s2/esp32s2-saola-1/configs/spiflash/defconfig
-1
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@@ -19,7 +19,6 @@ CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_ESP32S2_SPIFLASH_SMARTFS=y
CONFIG_ESP32S2_UART0=y
CONFIG_ESPRESSIF_SPIFLASH=y
CONFIG_FS_PROCFS=y
boards/xtensa/esp32s2/esp32s2-saola-1/configs/sta_softap/defconfig
-1
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@@ -22,7 +22,6 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_DRIVERS_IEEE80211=y
CONFIG_DRIVERS_WIRELESS=y
CONFIG_ESP32S2_SPIFLASH_SPIFFS=y
CONFIG_ESP32S2_UART0=y
CONFIG_ESPRESSIF_SPIFLASH=y
CONFIG_ESPRESSIF_WIFI=y
boards/xtensa/esp32s2/esp32s2-saola-1/configs/wifi/defconfig
-1
View File
@@ -22,7 +22,6 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_DRIVERS_IEEE80211=y
CONFIG_DRIVERS_WIRELESS=y
CONFIG_ESP32S2_SPIFLASH_SPIFFS=y
CONFIG_ESP32S2_UART0=y
CONFIG_ESPRESSIF_SPIFLASH=y
CONFIG_ESPRESSIF_WIFI=y
boards/xtensa/esp32s3/common/Kconfig
+11 -3
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@@ -49,10 +49,18 @@ config ESP32S3_STORAGE_MTD_SIZE
---help---
MTD size in SPI Flash.
choice ESP32S3_SPIFLASH_FS
prompt "Mount SPI Flash MTD on bring-up"
default ESP32S3_SPIFLASH_SMARTFS
config ESP32S3_SPIFLASH_AUTO_BRINGUP
bool "Automatic mount of SPI Flash MTD"
default y
depends on ESP32S3_MTD
---help---
Auto bring-up the SPI Flash MTD on board bring-up.
If not selected, the MTD will be registered as a device node on /dev.
choice ESP32S3_SPIFLASH_FS
prompt "File system to mount on SPI Flash MTD"
default ESP32S3_SPIFLASH_SMARTFS
depends on ESP32S3_SPIFLASH_AUTO_BRINGUP
optional
---help---
Mount the SPI Flash MTD with the selected File System format on board