diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 72fe23a..53d9e5f 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -58,6 +58,21 @@
 obj-$(CONFIG_CMD_DEKBLOB) += cmd_dek.o
 endif
 
+ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
+BOARD_SIZE_CHECK = \
+        @actual=`wc -c $@ | awk '{print $$1}'`; \
+        limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
+        if test $$actual -gt $$limit; then \
+                echo "$@ exceeds file size limit:" >&2 ; \
+                echo "  limit:  $$limit bytes" >&2 ; \
+                echo "  actual: $$actual bytes" >&2 ; \
+                echo "  excess: $$((actual - limit)) bytes" >&2; \
+                exit 1; \
+        fi
+else
+BOARD_SIZE_CHECK =
+endif
+
 PLUGIN = board/$(BOARDDIR)/plugin
 
 ifeq ($(CONFIG_USE_IMXIMG_PLUGIN),y)
@@ -101,6 +116,7 @@
 
 u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
+	$(BOARD_SIZE_CHECK)
 
 ifeq ($(CONFIG_OF_SEPARATE),y)
 MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \
diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index 31c9a6e..e80f1d4 100644
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -660,6 +660,14 @@
 {
 	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 
+	/*
+	 * If this function is used in a common MX6 spl implementation
+	 * we have to ensure that it is only called for suitable cpu types,
+	 * otherwise it breaks hardware parts like enet1, can1, can2, etc.
+	 */
+	if (!is_mx6dqp() && !is_mx6dq() && !is_mx6sdl())
+		return;
+
 	/* enable AXI cache for VDOA/VPU/IPU */
 	writel(0xF00000CF, &iomux->gpr[4]);
 	if (is_mx6dqp()) {
diff --git a/configs/colibri_vf_defconfig b/configs/colibri_vf_defconfig
index 5854910..fb057886 100644
--- a/configs/colibri_vf_defconfig
+++ b/configs/colibri_vf_defconfig
@@ -14,6 +14,7 @@
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
+# CONFIG_CMDLINE_EDITING is not set
 # CONFIG_AUTO_COMPLETE is not set
 CONFIG_SYS_PROMPT="Colibri VFxx # "
 CONFIG_CMD_BOOTZ=y
@@ -23,7 +24,6 @@
 CONFIG_CMD_FUSE=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
-CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_SETEXPR is not set
@@ -55,9 +55,6 @@
 CONFIG_MII=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
-CONFIG_SPI=y
-CONFIG_DM_SPI=y
-CONFIG_FSL_DSPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y
@@ -72,3 +69,4 @@
 CONFIG_VIDEO=y
 CONFIG_SYS_CONSOLE_FG_COL=0x00
 CONFIG_OF_LIBFDT_OVERLAY=y
+# CONFIG_EFI_UNICODE_CAPITALIZATION is not set