diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6f30098..ab0e9ce 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -78,7 +78,7 @@
 libs-y += arch/arm/lib/
 
 ifeq ($(CONFIG_SPL_BUILD),y)
-ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
+ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 libs-y += arch/arm/imx-common/
 endif
 else
diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c
index 06f4679..ec3fb77 100644
--- a/arch/arm/lib/interrupts.c
+++ b/arch/arm/lib/interrupts.c
@@ -123,8 +123,8 @@
 
 void show_regs (struct pt_regs *regs)
 {
-	unsigned long flags;
-	const char *processor_modes[] = {
+	unsigned long __maybe_unused flags;
+	const char __maybe_unused *processor_modes[] = {
 	"USER_26",	"FIQ_26",	"IRQ_26",	"SVC_26",
 	"UK4_26",	"UK5_26",	"UK6_26",	"UK7_26",
 	"UK8_26",	"UK9_26",	"UK10_26",	"UK11_26",
diff --git a/arch/arm/mach-at91/arm926ejs/cpu.c b/arch/arm/mach-at91/arm926ejs/cpu.c
index da1d359..990c689 100644
--- a/arch/arm/mach-at91/arm926ejs/cpu.c
+++ b/arch/arm/mach-at91/arm926ejs/cpu.c
@@ -42,7 +42,7 @@
 #if defined(CONFIG_DISPLAY_CPUINFO)
 int print_cpuinfo(void)
 {
-	char buf[32];
+	char __maybe_unused buf[32];
 
 	printf("CPU: %s\n", ATMEL_CPU_NAME);
 	printf("Crystal frequency: %8s MHz\n",
diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c
index a79a9dc..b19f95b 100644
--- a/arch/arm/mach-at91/spl_at91.c
+++ b/arch/arm/mach-at91/spl_at91.c
@@ -123,9 +123,12 @@
 	at91_periph_clk_enable(ATMEL_ID_PIOB);
 	at91_periph_clk_enable(ATMEL_ID_PIOC);
 #endif
+
+#if defined(CONFIG_SPL_SERIAL_SUPPORT)
 	/* init console */
 	at91_seriald_hw_init();
 	preloader_console_init();
+#endif
 
 	mem_init();