chore: sdk compiles almost w/o warnings?

Makefile

@@ -16,7 +16,7 @@ ifneq ($(OTA_IDX),2)
 endif
 endif
 
-FLASH_ADDRESS := $(if $(OTA_IDX),0x80000,0x0B000)
+FLASH_ADDRESS := $(if $(OTA_IDX),0x0B000,0x80000)
 FLASH_FILE := $(BIN_DIR)/image2_all_ota$(OTA_IDX).bin
 
 .PHONY: all
@@ -47,6 +47,15 @@ flash:
 		-c 'reset run' \
 		-c 'shutdown'
 
+flash_boot:
+	@$(OPENOCD_BASE) \
+		-c 'rtl8710_flash_auto_erase 1' \
+		-c 'rtl8710_flash_auto_verify 1' \
+		-c 'rtl8710_flash_write $(BUILD_DIR)/boot/boot_all.bin 0' \
+		-c 'rtl8710_reboot' \
+		-c 'reset run' \
+		-c 'shutdown'
+
 # flasher targets
 .PHONY: rtl-test rtl-mac rtl-dump rtl-full-erase rtl-restore rtl-restore-nae rtl-verify rtl-reset