diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c
index 9008db6..756535a 100644
--- a/arch/nios2/cpu/cpu.c
+++ b/arch/nios2/cpu/cpu.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <command.h>
 #include <cpu.h>
 #include <cpu_func.h>
 #include <dm.h>
@@ -31,7 +32,7 @@
 }
 #endif
 
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	disable_interrupts();
 	/* indirect call to go beyond 256MB limitation of toolchain */
diff --git a/arch/nios2/cpu/interrupts.c b/arch/nios2/cpu/interrupts.c
index e9d1ff9..90cabb6 100644
--- a/arch/nios2/cpu/interrupts.c
+++ b/arch/nios2/cpu/interrupts.c
@@ -118,7 +118,7 @@
 
 /*************************************************************************/
 #if defined(CONFIG_CMD_IRQ)
-int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_irqinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	int i;
 	struct irq_action *act = vecs;
diff --git a/arch/nios2/lib/bootm.c b/arch/nios2/lib/bootm.c
index bec18fe..fed4129 100644
--- a/arch/nios2/lib/bootm.c
+++ b/arch/nios2/lib/bootm.c
@@ -6,12 +6,14 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <env.h>
 #include <image.h>
 #include <irq_func.h>
 
 #define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */
 
-int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *const argv[],
+		   bootm_headers_t *images)
 {
 	void (*kernel)(int, int, int, char *) = (void *)images->ep;
 	char *commandline = env_get("bootargs");