Disable SPIRAM bankswitch on esp32

jepler · jepler · commit ea52ca66dc7c · 2022-07-13T10:56:58.000-05:00
We don't use this facility, which was reserving the last 256kiB of
psram.
diff --git a/ports/espressif/esp-idf-config/sdkconfig-esp32.defaults b/ports/espressif/esp-idf-config/sdkconfig-esp32.defaults
@@ -294,8 +294,7 @@ CONFIG_SPIRAM_CACHE_LIBFILE_IN_IRAM=y
 CONFIG_SPIRAM_CACHE_LIBMISC_IN_IRAM=y
 # end of SPIRAM workaround libraries placement
 
-CONFIG_SPIRAM_BANKSWITCH_ENABLE=y
-CONFIG_SPIRAM_BANKSWITCH_RESERVE=8
+CONFIG_SPIRAM_BANKSWITCH_ENABLE=n
 
 #
 # PSRAM clock and cs IO for ESP32-DOWD

Original file line number	Diff line number	Diff line change
`@@ -294,8 +294,7 @@ CONFIG_SPIRAM_CACHE_LIBFILE_IN_IRAM=y`
`294`	`294`	`CONFIG_SPIRAM_CACHE_LIBMISC_IN_IRAM=y`
`295`	`295`	`# end of SPIRAM workaround libraries placement`
`296`	`296`
`297`		`-CONFIG_SPIRAM_BANKSWITCH_ENABLE=y`
`298`		`-CONFIG_SPIRAM_BANKSWITCH_RESERVE=8`
	`297`	`+CONFIG_SPIRAM_BANKSWITCH_ENABLE=n`
`299`	`298`
`300`	`299`	`#`
`301`	`300`	`# PSRAM clock and cs IO for ESP32-DOWD`