diff --git a/arch/arm/include/asm/arch-at91/at91_common.h b/arch/arm/include/asm/arch-at91/at91_common.h
index 0067190a20e9ca027ad3a82f2a70ecc166a5311b..330edd83c5e66dc1d51fc27abc8aa594e7bfdecf 100644
--- a/arch/arm/include/asm/arch-at91/at91_common.h
+++ b/arch/arm/include/asm/arch-at91/at91_common.h
@@ -28,11 +28,10 @@
 void at91_can_hw_init(void);
 void at91_macb_hw_init(void);
 void at91_mci_hw_init(void);
-void at91_serial_hw_init(void);
 void at91_serial0_hw_init(void);
 void at91_serial1_hw_init(void);
 void at91_serial2_hw_init(void);
-void at91_serial3_hw_init(void);
+void at91_seriald_hw_init(void);
 void at91_spi0_hw_init(unsigned long cs_mask);
 void at91_spi1_hw_init(unsigned long cs_mask);
 void at91_uhp_hw_init(void);
diff --git a/arch/arm/include/asm/arch-at91/at91_pio.h b/arch/arm/include/asm/arch-at91/at91_pio.h
index f7915a332223eeb9ae57424a0a936fde2d8f2303..0b5bd69db84cce6dfd9463adb4909119c76914d7 100644
--- a/arch/arm/include/asm/arch-at91/at91_pio.h
+++ b/arch/arm/include/asm/arch-at91/at91_pio.h
@@ -76,32 +76,19 @@ typedef struct at91_port {
 	u32	reserved6[85];
 } at91_port_t;
 
-#if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \
-	defined(CONFIG_AT91SAM9G10) || defined(CONFIG_AT91SAM9G20)
-#define AT91_PIO_PORTS	3
-#elif defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G45) || \
-	defined(CONFIG_AT91SAM9M10G45)
-#define AT91_PIO_PORTS	5
-#elif defined(CONFIG_AT91RM9200) || defined(CONFIG_AT91CAP9) || \
-	defined(CONFIG_AT91SAM9RL)
-#define AT91_PIO_PORTS	4
-#else
-#error "Unsupported cpu. Please update at91_pio.h"
-#endif
-
 typedef union at91_pio {
 	struct {
 		at91_port_t	pioa;
 		at91_port_t	piob;
 		at91_port_t	pioc;
-	#if (AT91_PIO_PORTS > 3)
+	#if (ATMEL_PIO_PORTS > 3)
 		at91_port_t	piod;
 	#endif
-	#if (AT91_PIO_PORTS > 4)
+	#if (ATMEL_PIO_PORTS > 4)
 		at91_port_t	pioe;
 	#endif
 	} ;
-	at91_port_t port[AT91_PIO_PORTS];
+	at91_port_t port[ATMEL_PIO_PORTS];
 } at91_pio_t;
 
 #ifdef CONFIG_AT91_GPIO
diff --git a/arch/arm/include/asm/arch-at91/gpio.h b/arch/arm/include/asm/arch-at91/gpio.h
index 716f81fa3c2f821a72363ddc08c7b78c19ea7a41..293d0bf56b3b7d4b2d5beb340694b352a5b962e8 100644
--- a/arch/arm/include/asm/arch-at91/gpio.h
+++ b/arch/arm/include/asm/arch-at91/gpio.h
@@ -18,7 +18,7 @@
 #include <asm/arch/at91_pio.h>
 #include <asm/arch/hardware.h>
 
-#ifdef CONFIG_AT91_LEGACY
+#ifdef CONFIG_ATMEL_LEGACY
 
 #define PIN_BASE		32
 
@@ -192,13 +192,13 @@
 #define	AT91_PIN_PE31	(PIN_BASE + 0x80 + 31)
 
 static unsigned long at91_pios[] = {
-	AT91_PIOA,
-	AT91_PIOB,
-	AT91_PIOC,
-#ifdef AT91_PIOD
-	AT91_PIOD,
-#ifdef AT91_PIOE
-	AT91_PIOE
+	ATMEL_BASE_PIOA,
+	ATMEL_BASE_PIOB,
+	ATMEL_BASE_PIOC,
+#ifdef ATMEL_BASE_PIOD
+	ATMEL_BASE_PIOD,
+#ifdef ATMEL_BASE_PIOE
+	ATMEL_BASE_PIOE
 #endif
 #endif
 };
@@ -207,7 +207,7 @@ static inline void *pin_to_controller(unsigned pin)
 {
 	pin -= PIN_BASE;
 	pin /= 32;
-	return (void *)(AT91_BASE_SYS + at91_pios[pin]);
+	return (void *)(at91_pios[pin]);
 }
 
 static inline unsigned pin_to_mask(unsigned pin)
diff --git a/arch/arm/include/asm/arch-at91/io.h b/arch/arm/include/asm/arch-at91/io.h
index 38d185eb7ca6efe0a6ee278b5873bb963f920597..d0daa4ece5210a6f06b9a786e6911f854ce850a0 100644
--- a/arch/arm/include/asm/arch-at91/io.h
+++ b/arch/arm/include/asm/arch-at91/io.h
@@ -27,14 +27,14 @@
 
 static inline unsigned int at91_sys_read(unsigned int reg_offset)
 {
-	void *addr = (void *)AT91_BASE_SYS;
+	void *addr = (void *)ATMEL_BASE_SYS;
 
 	return __raw_readl(addr + reg_offset);
 }
 
 static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
 {
-	void *addr = (void *)AT91_BASE_SYS;
+	void *addr = (void *)ATMEL_BASE_SYS;
 
 	__raw_writel(value, addr + reg_offset);
 }