recovery: disable external RAM

components/st3m/st3m_gfx.h

@@ -9,7 +9,13 @@
 
 // Each buffer  takes ~116kB SPIRAM. While one framebuffer is being blitted, the
 // other one is being written to by the rasterizer.
+#if defined(CONFIG_FLOW3R_CTX_FLAVOUR_FULL)
 #define ST3M_GFX_NBUFFERS 2
+#else
+// Reduce frame buffer count for the bootloader so they fit inside internal RAM
+#define ST3M_GFX_NBUFFERS 1
+#endif
+
 // More ctx drawlists than buffers so that micropython doesn't get starved when
 // pipeline runs in lockstep.
 #define ST3M_GFX_NCTX 2

recovery/sdkconfig.defaults

@@ -8,13 +8,6 @@ CONFIG_PARTITION_TABLE_CUSTOM=y
 CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
 CONFIG_COMPILER_OPTIMIZATION_PERF=y
 CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y
-CONFIG_SPIRAM=y
-CONFIG_SPIRAM_MODE_OCT=y
-CONFIG_SPIRAM_TYPE_ESPPSRAM64=y
-CONFIG_SPIRAM_SPEED_80M=y
-CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
-CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=65536
-CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
 CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
 CONFIG_ESP32S3_INSTRUCTION_CACHE_32KB=y
 CONFIG_ESP32S3_DATA_CACHE_64KB=y