diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
index 2b64f44..4d8b579 100644
--- a/board/mpl/vcma9/vcma9.c
+++ b/board/mpl/vcma9/vcma9.c
@@ -73,8 +73,9 @@ static inline void delay(unsigned long loops)
 
 int board_init(void)
 {
-	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_clock_power * const clk_power =
+					s3c24x0_get_base_clock_power();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* to reduce PLL lock time, adjust the LOCKTIME register */
 	clk_power->LOCKTIME = 0xFFFFFF;
@@ -174,7 +175,7 @@ static inline void NF_Init(void)
 void
 nand_init(void)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	NF_Init();
 #ifdef DEBUG
@@ -190,21 +191,21 @@ nand_init(void)
 
 static u8 Get_PLD_ID(void)
 {
-	VCMA9_PLD * const pld = VCMA9_GetBase_PLD();
+	VCMA9_PLD * const pld = VCMA9_get_base_PLD();
 
 	return(pld->ID);
 }
 
 static u8 Get_PLD_BOARD(void)
 {
-	VCMA9_PLD * const pld = VCMA9_GetBase_PLD();
+	VCMA9_PLD * const pld = VCMA9_get_base_PLD();
 
 	return(pld->BOARD);
 }
 
 static u8 Get_PLD_SDRAM(void)
 {
-	VCMA9_PLD * const pld = VCMA9_GetBase_PLD();
+	VCMA9_PLD * const pld = VCMA9_get_base_PLD();
 
 	return(pld->SDRAM);
 }
diff --git a/board/mpl/vcma9/vcma9.h b/board/mpl/vcma9/vcma9.h
index 220b705..f46e0e4 100644
--- a/board/mpl/vcma9/vcma9.h
+++ b/board/mpl/vcma9/vcma9.h
@@ -39,14 +39,14 @@ typedef enum {
 
 static inline void NF_Conf(u16 conf)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	nand->NFCONF = conf;
 }
 
 static inline void NF_Cmd(u8 cmd)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	nand->NFCMD = cmd;
 }
@@ -59,14 +59,14 @@ static inline void NF_CmdW(u8 cmd)
 
 static inline void NF_Addr(u8 addr)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	nand->NFADDR = addr;
 }
 
 static inline void NF_SetCE(NFCE_STATE s)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	switch (s) {
 		case NFCE_LOW:
@@ -81,35 +81,35 @@ static inline void NF_SetCE(NFCE_STATE s)
 
 static inline void NF_WaitRB(void)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	while (!(nand->NFSTAT & (1<<0)));
 }
 
 static inline void NF_Write(u8 data)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	nand->NFDATA = data;
 }
 
 static inline u8 NF_Read(void)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	return(nand->NFDATA);
 }
 
 static inline void NF_Init_ECC(void)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	nand->NFCONF |= (1<<12);
 }
 
 static inline u32 NF_Read_ECC(void)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	return(nand->NFECC);
 }
@@ -128,7 +128,7 @@ typedef struct {
 } /*__attribute__((__packed__))*/ VCMA9_PLD;
 
 #define VCMA9_PLD_BASE	0x2C000100
-static inline VCMA9_PLD * VCMA9_GetBase_PLD(void)
+static inline VCMA9_PLD *VCMA9_get_base_PLD(void)
 {
 	return (VCMA9_PLD * const)VCMA9_PLD_BASE;
 }
diff --git a/board/samsung/smdk2400/smdk2400.c b/board/samsung/smdk2400/smdk2400.c
index 2c47063..42bf008 100644
--- a/board/samsung/smdk2400/smdk2400.c
+++ b/board/samsung/smdk2400/smdk2400.c
@@ -46,8 +46,9 @@ extern int do_mdm_init; /* defined in common/main.c */
 
 int board_init (void)
 {
-	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_clock_power * const clk_power =
+					s3c24x0_get_base_clock_power();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* memory and cpu-speed are setup before relocation */
 	/* change the clock to be 50 MHz 1:1:1 */
diff --git a/board/samsung/smdk2410/smdk2410.c b/board/samsung/smdk2410/smdk2410.c
index 25c38e6..fde7730 100644
--- a/board/samsung/smdk2410/smdk2410.c
+++ b/board/samsung/smdk2410/smdk2410.c
@@ -68,8 +68,9 @@ static inline void delay (unsigned long loops)
 
 int board_init (void)
 {
-	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_clock_power * const clk_power =
+					s3c24x0_get_base_clock_power();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* to reduce PLL lock time, adjust the LOCKTIME register */
 	clk_power->LOCKTIME = 0xFFFFFF;
diff --git a/board/sbc2410x/sbc2410x.c b/board/sbc2410x/sbc2410x.c
index 6276850..7452c1f 100644
--- a/board/sbc2410x/sbc2410x.c
+++ b/board/sbc2410x/sbc2410x.c
@@ -75,8 +75,9 @@ static inline void delay (unsigned long loops)
 
 int board_init (void)
 {
-	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_clock_power * const clk_power =
+					s3c24x0_get_base_clock_power();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* to reduce PLL lock time, adjust the LOCKTIME register */
 	clk_power->LOCKTIME = 0xFFFFFF;
@@ -170,7 +171,7 @@ static inline void NF_Init(void)
 
 void nand_init(void)
 {
-	S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
+	struct s3c2410_nand * const nand = s3c2410_get_base_nand();
 
 	NF_Init();
 #ifdef DEBUG
diff --git a/board/trab/cmd_trab.c b/board/trab/cmd_trab.c
index ae6f7c6..04a3607 100644
--- a/board/trab/cmd_trab.c
+++ b/board/trab/cmd_trab.c
@@ -644,9 +644,9 @@ static int adc_read (unsigned int channel)
 {
 	int j = 1000; /* timeout value for wait loop in us */
 	int result;
-	S3C2400_ADC *padc;
+	struct s3c2400_adc *padc;
 
-	padc = S3C2400_GetBase_ADC();
+	padc = s3c2400_get_base_adc();
 	channel &= 0x7;
 
 	adc_init ();
@@ -686,9 +686,9 @@ static int adc_read (unsigned int channel)
 
 static void adc_init (void)
 {
-	S3C2400_ADC *padc;
+	struct s3c2400_adc *padc;
 
-	padc = S3C2400_GetBase_ADC();
+	padc = s3c2400_get_base_adc();
 
 	padc->ADCCON &= ~(0xff << 6); /* clear prescaler bits */
 	padc->ADCCON |= ((65 << 6) | ADC_PRSCEN); /* set prescaler */
@@ -707,7 +707,7 @@ static void adc_init (void)
 
 static void led_set (unsigned int state)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	led_init ();
 
@@ -740,7 +740,7 @@ static void led_blink (void)
 
 static void led_init (void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* configure GPA12 as output and set to High -> LED off */
 	gpio->PACON &= ~(1 << 12);
diff --git a/board/trab/rs485.c b/board/trab/rs485.c
index 97aea91..7d5c0a2 100644
--- a/board/trab/rs485.c
+++ b/board/trab/rs485.c
@@ -42,7 +42,7 @@ static void trab_rs485_disable_rx(void);
 
 static void rs485_setbrg (void)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(UART_NR);
+	struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR);
 	int i;
 	unsigned int reg = 0;
 
@@ -67,7 +67,7 @@ static void rs485_setbrg (void)
 
 static void rs485_cfgio (void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	gpio->PFCON &= ~(0x3 << 2);
 	gpio->PFCON |=  (0x2 << 2); /* configure GPF1 as RXD1 */
@@ -101,7 +101,7 @@ int rs485_init (void)
  */
 int rs485_getc (void)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(UART_NR);
+	struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR);
 
 	/* wait for character to arrive */
 	while (!(uart->UTRSTAT & 0x1));
@@ -114,7 +114,7 @@ int rs485_getc (void)
  */
 void rs485_putc (const char c)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(UART_NR);
+	struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR);
 
 	/* wait for room in the tx FIFO */
 	while (!(uart->UTRSTAT & 0x2));
@@ -131,7 +131,7 @@ void rs485_putc (const char c)
  */
 int rs485_tstc (void)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(UART_NR);
+	struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR);
 
 	return uart->UTRSTAT & 0x1;
 }
@@ -168,7 +168,7 @@ static void set_rs485re(unsigned char rs485re_state)
 
 static void set_rs485de(unsigned char rs485de_state)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* This is on PORT A bit 11 */
 	if(rs485de_state)
diff --git a/board/trab/trab.c b/board/trab/trab.c
index 2dccd87..ea782a9 100644
--- a/board/trab/trab.c
+++ b/board/trab/trab.c
@@ -69,8 +69,9 @@ int board_init ()
 #if defined(CONFIG_VFD)
 	extern int vfd_init_clocks(void);
 #endif
-	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_clock_power * const clk_power =
+					s3c24x0_get_base_clock_power();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* memory and cpu-speed are setup before relocation */
 #ifdef CONFIG_TRAB_50MHZ
@@ -338,22 +339,22 @@ static int key_pressed(void)
 
 static inline void SET_CS_TOUCH(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	gpio->PDDAT &= 0x5FF;
 }
 
 static inline void CLR_CS_TOUCH(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	gpio->PDDAT |= 0x200;
 }
 
 static void spi_init(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 	int i;
 
 	/* Configure I/O ports. */
@@ -377,7 +378,7 @@ static void spi_init(void)
 
 static void wait_transmit_done(void)
 {
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 
 	while (!(spi->ch[0].SPSTA & 0x01)); /* wait until transfer is done */
 }
@@ -385,7 +386,7 @@ static void wait_transmit_done(void)
 static void tsc2000_write(unsigned int page, unsigned int reg,
 						  unsigned int data)
 {
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 	unsigned int command;
 
 	SET_CS_TOUCH();
diff --git a/board/trab/trab_fkt.c b/board/trab/trab_fkt.c
index 74cdbfc..dc2a8d7 100644
--- a/board/trab/trab_fkt.c
+++ b/board/trab/trab_fkt.c
@@ -406,9 +406,9 @@ static int adc_read (unsigned int channel)
 {
 	int j = 1000; /* timeout value for wait loop in us */
 	int result;
-	S3C2400_ADC *padc;
+	struct s3c2400_adc *padc;
 
-	padc = S3C2400_GetBase_ADC();
+	padc = s3c2400_get_base_adc();
 	channel &= 0x7;
 
 	padc->ADCCON &= ~ADC_STDBM; /* select normal mode */
@@ -446,9 +446,9 @@ static int adc_read (unsigned int channel)
 
 static void adc_init (void)
 {
-	S3C2400_ADC *padc;
+	struct s3c2400_adc *padc;
 
-	padc = S3C2400_GetBase_ADC();
+	padc = s3c2400_get_base_adc();
 
 	padc->ADCCON &= ~(0xff << 6); /* clear prescaler bits */
 	padc->ADCCON |= ((65 << 6) | ADC_PRSCEN); /* set prescaler */
@@ -490,7 +490,7 @@ int do_power_switch (void)
 {
 	int result;
 
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* configure GPE7 as input */
 	gpio->PECON &= ~(0x3 << (2 * 7));
@@ -557,7 +557,7 @@ int do_vfd_id (void)
 	int i;
 	long int pcup_old, pccon_old;
 	int vfd_board_id;
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* try to red vfd board id from the value defined by pull-ups */
 
@@ -589,8 +589,8 @@ int do_buzzer (char **argv)
 {
 	int counter;
 
-	S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_timers * const timers = s3c24x0_get_base_timers();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* set prescaler for timer 2, 3 and 4 */
 	timers->TCFG0 &= ~0xFF00;
@@ -637,7 +637,7 @@ int do_buzzer (char **argv)
 
 int do_led (char **argv)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* configure PC14 and PC15 as output */
 	gpio->PCCON &= ~(0xF << 28);
@@ -692,7 +692,7 @@ int do_led (char **argv)
 
 int do_full_bridge (char **argv)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* configure PD5 and PD6 as output */
 	gpio->PDCON &= ~((0x3 << 5*2) | (0x3 << 6*2));
@@ -801,7 +801,7 @@ int do_motor_contact (void)
 
 int do_motor (char **argv)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	/* Configure I/O port */
 	gpio->PGCON &= ~(0x3 << 0);
@@ -827,8 +827,8 @@ static void print_identifier (void)
 int do_pwm (char **argv)
 {
 	int counter;
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-	S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
+	struct s3c24x0_timers * const timers = s3c24x0_get_base_timers();
 
 	if (strcmp (argv[2], "on") == 0) {
 		/* configure pin GPD8 as TOUT3 */
diff --git a/board/trab/tsc2000.c b/board/trab/tsc2000.c
index 986b6fb..fc501a8 100644
--- a/board/trab/tsc2000.c
+++ b/board/trab/tsc2000.c
@@ -27,6 +27,7 @@
 
 #include <common.h>
 #include <s3c2400.h>
+#include <asm/io.h>
 #include <div64.h>
 #include "tsc2000.h"
 
@@ -44,8 +45,8 @@
 
 void tsc2000_spi_init(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 	int i;
 
 	/* Configure I/O ports. */
@@ -71,7 +72,7 @@ void tsc2000_spi_init(void)
 
 void spi_wait_transmit_done(void)
 {
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 
 	while (!(spi->ch[0].SPSTA & 0x01)); /* wait until transfer is done */
 }
@@ -79,7 +80,7 @@ void spi_wait_transmit_done(void)
 
 void tsc2000_write(unsigned short reg, unsigned short data)
 {
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 	unsigned int command;
 
 	SET_CS_TOUCH();
@@ -100,7 +101,7 @@ void tsc2000_write(unsigned short reg, unsigned short data)
 unsigned short tsc2000_read (unsigned short reg)
 {
 	unsigned short command, data;
-	S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+	struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
 
 	SET_CS_TOUCH();
 	command = 0x8000 | reg;
@@ -123,7 +124,7 @@ unsigned short tsc2000_read (unsigned short reg)
 
 void tsc2000_set_mux (unsigned int channel)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	CLR_MUX1_ENABLE; CLR_MUX2_ENABLE;
 	CLR_MUX3_ENABLE; CLR_MUX4_ENABLE;
@@ -200,7 +201,7 @@ void tsc2000_set_mux (unsigned int channel)
 
 void tsc2000_set_range (unsigned int range)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	switch (range) {
 	case 1:
@@ -306,7 +307,7 @@ s32 tsc2000_contact_temp (void)
 
 void tsc2000_reg_init (void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	tsc2000_write(TSC2000_REG_ADC, 0x2036);
 	tsc2000_write(TSC2000_REG_REF, 0x0011);
diff --git a/board/trab/tsc2000.h b/board/trab/tsc2000.h
index 50c09c2..0b6253f 100644
--- a/board/trab/tsc2000.h
+++ b/board/trab/tsc2000.h
@@ -128,7 +128,7 @@ void adc_wait_conversion_done(void);
 
 static inline void SET_CS_TOUCH(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	gpio->PDDAT &= 0x5FF;
 }
@@ -136,7 +136,7 @@ static inline void SET_CS_TOUCH(void)
 
 static inline void CLR_CS_TOUCH(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	gpio->PDDAT |= 0x200;
 }
diff --git a/board/trab/vfd.c b/board/trab/vfd.c
index e5ca4ab..d5ad5bb 100644
--- a/board/trab/vfd.c
+++ b/board/trab/vfd.c
@@ -358,9 +358,9 @@ int vfd_init_clocks (void)
 {
 	int i;
 
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-	S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS();
-	S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
+	struct s3c24x0_timers * const timers = s3c24x0_get_base_timers();
+	struct s3c24x0_lcd * const lcd = s3c24x0_get_base_lcd();
 
 	/* try to determine display type from the value
 	 * defined by pull-ups
@@ -429,8 +429,8 @@ int vfd_init_clocks (void)
  */
 int drv_vfd_init(void)
 {
-	S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_lcd * const lcd = s3c24x0_get_base_lcd();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 	char *tmp;
 	ulong palette;
 	static int vfd_init_done = 0;
@@ -529,7 +529,7 @@ int drv_vfd_init(void)
  */
 void disable_vfd (void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
 
 	VFD_DISABLE;
 	gpio->PDCON &= ~0xC;
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index f0c1aa3..55c6a12 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -32,6 +32,8 @@
 #elif defined(CONFIG_S3C2410)
 #include <s3c2410.h>
 #endif
+
+#include <asm/io.h>
 #include <i2c.h>
 
 #ifdef CONFIG_HARD_I2C
@@ -42,142 +44,139 @@
 #define I2C_OK		0
 #define I2C_NOK		1
 #define I2C_NACK	2
-#define I2C_NOK_LA	3		/* Lost arbitration */
-#define I2C_NOK_TOUT	4		/* time out */
-
-#define I2CSTAT_BSY	0x20		/* Busy bit */
-#define I2CSTAT_NACK	0x01		/* Nack bit */
-#define I2CCON_IRPND	0x10		/* Interrupt pending bit */
-#define I2C_MODE_MT	0xC0		/* Master Transmit Mode */
-#define I2C_MODE_MR	0x80		/* Master Receive Mode */
-#define I2C_START_STOP	0x20		/* START / STOP */
-#define I2C_TXRX_ENA	0x10		/* I2C Tx/Rx enable */
+#define I2C_NOK_LA	3	/* Lost arbitration */
+#define I2C_NOK_TOUT	4	/* time out */
 
-#define I2C_TIMEOUT 1			/* 1 second */
+#define I2CSTAT_BSY	0x20	/* Busy bit */
+#define I2CSTAT_NACK	0x01	/* Nack bit */
+#define I2CCON_IRPND	0x10	/* Interrupt pending bit */
+#define I2C_MODE_MT	0xC0	/* Master Transmit Mode */
+#define I2C_MODE_MR	0x80	/* Master Receive Mode */
+#define I2C_START_STOP	0x20	/* START / STOP */
+#define I2C_TXRX_ENA	0x10	/* I2C Tx/Rx enable */
 
+#define I2C_TIMEOUT 1		/* 1 second */
 
 static int GetI2CSDA(void)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
 
 #ifdef CONFIG_S3C2410
-	return (gpio->GPEDAT & 0x8000) >> 15;
+	return (readl(&gpio->GPEDAT) & 0x8000) >> 15;
 #endif
 #ifdef CONFIG_S3C2400
-	return (gpio->PGDAT & 0x0020) >> 5;
+	return (readl(&gpio->PGDAT) & 0x0020) >> 5;
 #endif
 }
 
 #if 0
 static void SetI2CSDA(int x)
 {
-	rGPEDAT = (rGPEDAT & ~0x8000) | (x&1) << 15;
+	rGPEDAT = (rGPEDAT & ~0x8000) | (x & 1) << 15;
 }
 #endif
 
 static void SetI2CSCL(int x)
 {
-	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+	struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
 
 #ifdef CONFIG_S3C2410
-	gpio->GPEDAT = (gpio->GPEDAT & ~0x4000) | (x&1) << 14;
+	writel((readl(&gpio->GPEDAT) & ~0x4000) | (x & 1) << 14, &gpio->GPEDAT);
 #endif
 #ifdef CONFIG_S3C2400
-	gpio->PGDAT = (gpio->PGDAT & ~0x0040) | (x&1) << 6;
+	writel((readl(&gpio->PGDAT) & ~0x0040) | (x & 1) << 6, &gpio->PGDAT);
 #endif
 }
 
-
-static int WaitForXfer (void)
+static int WaitForXfer(void)
 {
-	S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
-	int i, status;
+	struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
+	int i;
 
 	i = I2C_TIMEOUT * 10000;
-	status = i2c->IICCON;
-	while ((i > 0) && !(status & I2CCON_IRPND)) {
-		udelay (100);
-		status = i2c->IICCON;
+	while (!(readl(&i2c->IICCON) & I2CCON_IRPND) && (i > 0)) {
+		udelay(100);
 		i--;
 	}
 
-	return (status & I2CCON_IRPND) ? I2C_OK : I2C_NOK_TOUT;
+	return (readl(&i2c->IICCON) & I2CCON_IRPND) ? I2C_OK : I2C_NOK_TOUT;
 }
 
-static int IsACK (void)
+static int IsACK(void)
 {
-	S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
+	struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
 
-	return (!(i2c->IICSTAT & I2CSTAT_NACK));
+	return !(readl(&i2c->IICSTAT) & I2CSTAT_NACK);
 }
 
-static void ReadWriteByte (void)
+static void ReadWriteByte(void)
 {
-	S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
+	struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
 
-	i2c->IICCON &= ~I2CCON_IRPND;
+	writel(readl(&i2c->IICCON) & ~I2CCON_IRPND, &i2c->IICCON);
 }
 
-void i2c_init (int speed, int slaveadd)
+void i2c_init(int speed, int slaveadd)
 {
-	S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
-	S3C24X0_GPIO *const gpio = S3C24X0_GetBase_GPIO ();
+	struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
+	struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
 	ulong freq, pres = 16, div;
-	int i, status;
+	int i;
 
 	/* wait for some time to give previous transfer a chance to finish */
 
 	i = I2C_TIMEOUT * 1000;
-	status = i2c->IICSTAT;
-	while ((i > 0) && (status & I2CSTAT_BSY)) {
-		udelay (1000);
-		status = i2c->IICSTAT;
+	while ((readl(&i2c->IICSTAT) && I2CSTAT_BSY) && (i > 0)) {
+		udelay(1000);
 		i--;
 	}
 
-	if ((status & I2CSTAT_BSY) || GetI2CSDA () == 0) {
+	if ((readl(&i2c->IICSTAT) & I2CSTAT_BSY) || GetI2CSDA() == 0) {
 #ifdef CONFIG_S3C2410
-		ulong old_gpecon = gpio->GPECON;
+		ulong old_gpecon = readl(&gpio->GPECON);
 #endif
 #ifdef CONFIG_S3C2400
-		ulong old_gpecon = gpio->PGCON;
+		ulong old_gpecon = readl(&gpio->PGCON);
 #endif
-		/* bus still busy probably by (most) previously interrupted transfer */
+		/* bus still busy probably by (most) previously interrupted
+		   transfer */
 
 #ifdef CONFIG_S3C2410
 		/* set I2CSDA and I2CSCL (GPE15, GPE14) to GPIO */
-		gpio->GPECON = (gpio->GPECON & ~0xF0000000) | 0x10000000;
+		writel((readl(&gpio->GPECON) & ~0xF0000000) | 0x10000000,
+		       &gpio->GPECON);
 #endif
 #ifdef CONFIG_S3C2400
 		/* set I2CSDA and I2CSCL (PG5, PG6) to GPIO */
-		gpio->PGCON = (gpio->PGCON & ~0x00003c00) | 0x00001000;
+		writel((readl(&gpio->PGCON) & ~0x00003c00) | 0x00001000,
+		       &gpio->PGCON);
 #endif
 
 		/* toggle I2CSCL until bus idle */
-		SetI2CSCL (0);
-		udelay (1000);
+		SetI2CSCL(0);
+		udelay(1000);
 		i = 10;
-		while ((i > 0) && (GetI2CSDA () != 1)) {
-			SetI2CSCL (1);
-			udelay (1000);
-			SetI2CSCL (0);
-			udelay (1000);
+		while ((i > 0) && (GetI2CSDA() != 1)) {
+			SetI2CSCL(1);
+			udelay(1000);
+			SetI2CSCL(0);
+			udelay(1000);
 			i--;
 		}
-		SetI2CSCL (1);
-		udelay (1000);
+		SetI2CSCL(1);
+		udelay(1000);
 
 		/* restore pin functions */
 #ifdef CONFIG_S3C2410
-		gpio->GPECON = old_gpecon;
+		writel(old_gpecon, &gpio->GPECON);
 #endif
 #ifdef CONFIG_S3C2400
-		gpio->PGCON = old_gpecon;
+		writel(old_gpecon, &gpio->PGCON);
 #endif
 	}
 
 	/* calculate prescaler and divisor values */
-	freq = get_PCLK ();
+	freq = get_PCLK();
 	if ((freq / pres / (16 + 1)) > speed)
 		/* set prescaler to 512 */
 		pres = 512;
@@ -188,13 +187,13 @@ void i2c_init (int speed, int slaveadd)
 
 	/* set prescaler, divisor according to freq, also set
 	 * ACKGEN, IRQ */
-	i2c->IICCON = (div & 0x0F) | 0xA0 | ((pres == 512) ? 0x40 : 0);
+	writel((div & 0x0F) | 0xA0 | ((pres == 512) ? 0x40 : 0), &i2c->IICCON);
 
 	/* init to SLAVE REVEIVE and set slaveaddr */
-	i2c->IICSTAT = 0;
-	i2c->IICADD = slaveadd;
+	writel(0, &i2c->IICSTAT);
+	writel(slaveadd, &i2c->IICADD);
 	/* program Master Transmit (and implicit STOP) */
-	i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA;
+	writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->IICSTAT);
 
 }
 
@@ -206,107 +205,109 @@ void i2c_init (int speed, int slaveadd)
  * 0 we skip the address write cycle.
  */
 static
-int i2c_transfer (unsigned char cmd_type,
-		  unsigned char chip,
-		  unsigned char addr[],
-		  unsigned char addr_len,
-		  unsigned char data[], unsigned short data_len)
+int i2c_transfer(unsigned char cmd_type,
+		 unsigned char chip,
+		 unsigned char addr[],
+		 unsigned char addr_len,
+		 unsigned char data[], unsigned short data_len)
 {
-	S3C24X0_I2C *const i2c = S3C24X0_GetBase_I2C ();
-	int i, status, result;
+	struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
+	int i, result;
 
 	if (data == 0 || data_len == 0) {
 		/*Don't support data transfer of no length or to address 0 */
-		printf ("i2c_transfer: bad call\n");
+		printf("i2c_transfer: bad call\n");
 		return I2C_NOK;
 	}
 
 	/* Check I2C bus idle */
 	i = I2C_TIMEOUT * 1000;
-	status = i2c->IICSTAT;
-	while ((i > 0) && (status & I2CSTAT_BSY)) {
-		udelay (1000);
-		status = i2c->IICSTAT;
+	while ((readl(&i2c->IICSTAT) & I2CSTAT_BSY) && (i > 0)) {
+		udelay(1000);
 		i--;
 	}
 
-	if (status & I2CSTAT_BSY)
+	if (readl(&i2c->IICSTAT) & I2CSTAT_BSY)
 		return I2C_NOK_TOUT;
 
-	i2c->IICCON |= 0x80;
+	writel(readl(&i2c->IICCON) | 0x80, &i2c->IICCON);
 	result = I2C_OK;
 
 	switch (cmd_type) {
 	case I2C_WRITE:
 		if (addr && addr_len) {
-			i2c->IICDS = chip;
+			writel(chip, &i2c->IICDS);
 			/* send START */
-			i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP;
+			writel(I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP,
+			       &i2c->IICSTAT);
 			i = 0;
 			while ((i < addr_len) && (result == I2C_OK)) {
-				result = WaitForXfer ();
-				i2c->IICDS = addr[i];
-				ReadWriteByte ();
+				result = WaitForXfer();
+				writel(addr[i], &i2c->IICDS);
+				ReadWriteByte();
 				i++;
 			}
 			i = 0;
 			while ((i < data_len) && (result == I2C_OK)) {
-				result = WaitForXfer ();
-				i2c->IICDS = data[i];
-				ReadWriteByte ();
+				result = WaitForXfer();
+				writel(data[i], &i2c->IICDS);
+				ReadWriteByte();
 				i++;
 			}
 		} else {
-			i2c->IICDS = chip;
+			writel(chip, &i2c->IICDS);
 			/* send START */
-			i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP;
+			writel(I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP,
+			       &i2c->IICSTAT);
 			i = 0;
 			while ((i < data_len) && (result = I2C_OK)) {
-				result = WaitForXfer ();
-				i2c->IICDS = data[i];
-				ReadWriteByte ();
+				result = WaitForXfer();
+				writel(data[i], &i2c->IICDS);
+				ReadWriteByte();
 				i++;
 			}
 		}
 
 		if (result == I2C_OK)
-			result = WaitForXfer ();
+			result = WaitForXfer();
 
 		/* send STOP */
-		i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA;
-		ReadWriteByte ();
+		writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->IICSTAT);
+		ReadWriteByte();
 		break;
 
 	case I2C_READ:
 		if (addr && addr_len) {
-			i2c->IICSTAT = I2C_MODE_MT | I2C_TXRX_ENA;
-			i2c->IICDS = chip;
+			writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->IICSTAT);
+			writel(chip, &i2c->IICDS);
 			/* send START */
-			i2c->IICSTAT |= I2C_START_STOP;
-			result = WaitForXfer ();
-			if (IsACK ()) {
+			writel(readl(&i2c->IICSTAT) | I2C_START_STOP,
+			       &i2c->IICSTAT);
+			result = WaitForXfer();
+			if (IsACK()) {
 				i = 0;
 				while ((i < addr_len) && (result == I2C_OK)) {
-					i2c->IICDS = addr[i];
-					ReadWriteByte ();
-					result = WaitForXfer ();
+					writel(addr[i], &i2c->IICDS);
+					ReadWriteByte();
+					result = WaitForXfer();
 					i++;
 				}
 
-				i2c->IICDS = chip;
+				writel(chip, &i2c->IICDS);
 				/* resend START */
-				i2c->IICSTAT =  I2C_MODE_MR | I2C_TXRX_ENA |
-						I2C_START_STOP;
-				ReadWriteByte ();
-				result = WaitForXfer ();
+				writel(I2C_MODE_MR | I2C_TXRX_ENA |
+				       I2C_START_STOP, &i2c->IICSTAT);
+				ReadWriteByte();
+				result = WaitForXfer();
 				i = 0;
 				while ((i < data_len) && (result == I2C_OK)) {
 					/* disable ACK for final READ */
 					if (i == data_len - 1)
-						i2c->IICCON &= ~0x80;
-					ReadWriteByte ();
-					result = WaitForXfer ();
-					data[i] = i2c->IICDS;
+						writel(readl(&i2c->IICCON)
+						       & ~0x80, &i2c->IICCON);
+					ReadWriteByte();
+					result = WaitForXfer();
+					data[i] = readl(&i2c->IICDS);
 					i++;
 				}
 			} else {
@@ -314,21 +315,23 @@ int i2c_transfer (unsigned char cmd_type,
 			}
 
 		} else {
-			i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA;
-			i2c->IICDS = chip;
+			writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->IICSTAT);
+			writel(chip, &i2c->IICDS);
 			/* send START */
-			i2c->IICSTAT |= I2C_START_STOP;
-			result = WaitForXfer ();
+			writel(readl(&i2c->IICSTAT) | I2C_START_STOP,
+			       &i2c->IICSTAT);
+			result = WaitForXfer();
 
-			if (IsACK ()) {
+			if (IsACK()) {
 				i = 0;
 				while ((i < data_len) && (result == I2C_OK)) {
 					/* disable ACK for final READ */
 					if (i == data_len - 1)
-						i2c->IICCON &= ~0x80;
-					ReadWriteByte ();
-					result = WaitForXfer ();
-					data[i] = i2c->IICDS;
+						writel(readl(&i2c->IICCON) &
+						       ~0x80, &i2c->IICCON);
+					ReadWriteByte();
+					result = WaitForXfer();
+					data[i] = readl(&i2c->IICDS);
 					i++;
 				}
 			} else {
@@ -337,12 +340,12 @@ int i2c_transfer (unsigned char cmd_type,
 		}
 
 		/* send STOP */
-		i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA;
-		ReadWriteByte ();
+		writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->IICSTAT);
+		ReadWriteByte();
 		break;
 
 	default:
-		printf ("i2c_transfer: bad call\n");
+		printf("i2c_transfer: bad call\n");
 		result = I2C_NOK;
 		break;
 	}
@@ -350,7 +353,7 @@ int i2c_transfer (unsigned char cmd_type,
 	return (result);
 }
 
-int i2c_probe (uchar chip)
+int i2c_probe(uchar chip)
 {
 	uchar buf[1];
 
@@ -361,16 +364,16 @@ int i2c_probe (uchar chip)
 	 * address was <ACK>ed (i.e. there was a chip at that address which
 	 * drove the data line low).
 	 */
-	return (i2c_transfer (I2C_READ, chip << 1, 0, 0, buf, 1) != I2C_OK);
+	return i2c_transfer(I2C_READ, chip << 1, 0, 0, buf, 1) != I2C_OK;
 }
 
-int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
+int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
 {
 	uchar xaddr[4];
 	int ret;
 
 	if (alen > 4) {
-		printf ("I2C read: addr len %d not supported\n", alen);
+		printf("I2C read: addr len %d not supported\n", alen);
 		return 1;
 	}
 
@@ -394,23 +397,24 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	 * hidden in the chip address.
 	 */
 	if (alen > 0)
-		chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
+		chip |= ((addr >> (alen * 8)) &
+			 CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
 #endif
 	if ((ret =
-	     i2c_transfer (I2C_READ, chip << 1, &xaddr[4 - alen], alen,
-			   buffer, len)) != 0) {
-		printf ("I2c read: failed %d\n", ret);
+	     i2c_transfer(I2C_READ, chip << 1, &xaddr[4 - alen], alen,
+			  buffer, len)) != 0) {
+		printf("I2c read: failed %d\n", ret);
 		return 1;
 	}
 	return 0;
 }
 
-int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
+int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 {
 	uchar xaddr[4];
 
 	if (alen > 4) {
-		printf ("I2C write: addr len %d not supported\n", alen);
+		printf("I2C write: addr len %d not supported\n", alen);
 		return 1;
 	}
 
@@ -433,10 +437,11 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	 * hidden in the chip address.
 	 */
 	if (alen > 0)
-		chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
+		chip |= ((addr >> (alen * 8)) &
+			 CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
 #endif
 	return (i2c_transfer
 		(I2C_WRITE, chip << 1, &xaddr[4 - alen], alen, buffer,
 		 len) != 0);
 }
-#endif	/* CONFIG_HARD_I2C */
+#endif /* CONFIG_HARD_I2C */
diff --git a/drivers/rtc/s3c24x0_rtc.c b/drivers/rtc/s3c24x0_rtc.c
index e10db9a..1ce34e3 100644
--- a/drivers/rtc/s3c24x0_rtc.c
+++ b/drivers/rtc/s3c24x0_rtc.c
@@ -37,6 +37,7 @@
 #endif
 
 #include <rtc.h>
+#include <asm/io.h>
 
 /*#define	DEBUG*/
 
@@ -48,112 +49,113 @@ typedef enum {
 
 static inline void SetRTC_Access(RTC_ACCESS a)
 {
-	S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
+	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();
+
 	switch (a) {
-		case RTC_ENABLE:
-			rtc->RTCCON |= 0x01; break;
+	case RTC_ENABLE:
+		writeb(readb(&rtc->RTCCON) | 0x01, &rtc->RTCCON);
+		break;
 
-		case RTC_DISABLE:
-			rtc->RTCCON &= ~0x01; break;
+	case RTC_DISABLE:
+		writeb(readb(&rtc->RTCCON) & ~0x01, &rtc->RTCCON);
+		break;
 	}
 }
 
 /* ------------------------------------------------------------------------- */
 
-int rtc_get (struct rtc_time *tmp)
+int rtc_get(struct rtc_time *tmp)
 {
-	S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
+	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();
 	uchar sec, min, hour, mday, wday, mon, year;
-	uchar a_sec,a_min, a_hour, a_date, a_mon, a_year, a_armed;
+	uchar a_sec, a_min, a_hour, a_date, a_mon, a_year, a_armed;
 
 	/* enable access to RTC registers */
 	SetRTC_Access(RTC_ENABLE);
 
 	/* read RTC registers */
 	do {
-		sec	= rtc->BCDSEC;
-		min	= rtc->BCDMIN;
-		hour	= rtc->BCDHOUR;
-		mday	= rtc->BCDDATE;
-		wday	= rtc->BCDDAY;
-		mon	= rtc->BCDMON;
-		year	= rtc->BCDYEAR;
-	} while (sec != rtc->BCDSEC);
+		sec  = readb(&rtc->BCDSEC);
+		min  = readb(&rtc->BCDMIN);
+		hour = readb(&rtc->BCDHOUR);
+		mday = readb(&rtc->BCDDATE);
+		wday = readb(&rtc->BCDDAY);
+		mon  = readb(&rtc->BCDMON);
+		year = readb(&rtc->BCDYEAR);
+	} while (sec != readb(&rtc->BCDSEC));
 
 	/* read ALARM registers */
-	a_sec	= rtc->ALMSEC;
-	a_min	= rtc->ALMMIN;
-	a_hour	= rtc->ALMHOUR;
-	a_date	= rtc->ALMDATE;
-	a_mon	= rtc->ALMMON;
-	a_year	= rtc->ALMYEAR;
-	a_armed	= rtc->RTCALM;
+	a_sec   = readb(&rtc->ALMSEC);
+	a_min   = readb(&rtc->ALMMIN);
+	a_hour  = readb(&rtc->ALMHOUR);
+	a_date  = readb(&rtc->ALMDATE);
+	a_mon   = readb(&rtc->ALMMON);
+	a_year  = readb(&rtc->ALMYEAR);
+	a_armed = readb(&rtc->RTCALM);
 
 	/* disable access to RTC registers */
 	SetRTC_Access(RTC_DISABLE);
 
 #ifdef RTC_DEBUG
-	printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
-		"hr: %02x min: %02x sec: %02x\n",
-		year, mon, mday, wday,
-		hour, min, sec);
-	printf ( "Alarms: %02x: year: %02x month: %02x date: %02x hour: %02x min: %02x sec: %02x\n",
-		a_armed,
-		a_year, a_mon, a_date,
-		a_hour, a_min, a_sec);
+	printf("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
+	       "hr: %02x min: %02x sec: %02x\n",
+	       year, mon, mday, wday, hour, min, sec);
+	printf("Alarms: %02x: year: %02x month: %02x date: %02x hour: "
+	       "%02x min: %02x sec: %02x\n",
+	       a_armed, a_year, a_mon, a_date, a_hour, a_min, a_sec);
 #endif
 
-	tmp->tm_sec  = bcd2bin(sec  & 0x7F);
-	tmp->tm_min  = bcd2bin(min  & 0x7F);
+	tmp->tm_sec  = bcd2bin(sec & 0x7F);
+	tmp->tm_min  = bcd2bin(min & 0x7F);
 	tmp->tm_hour = bcd2bin(hour & 0x3F);
 	tmp->tm_mday = bcd2bin(mday & 0x3F);
 	tmp->tm_mon  = bcd2bin(mon & 0x1F);
 	tmp->tm_year = bcd2bin(year);
 	tmp->tm_wday = bcd2bin(wday & 0x07);
-	if(tmp->tm_year<70)
-		tmp->tm_year+=2000;
+	if (tmp->tm_year < 70)
+		tmp->tm_year += 2000;
 	else
-		tmp->tm_year+=1900;
-	tmp->tm_yday = 0;
-	tmp->tm_isdst= 0;
+		tmp->tm_year += 1900;
+	tmp->tm_yday  = 0;
+	tmp->tm_isdst = 0;
 #ifdef RTC_DEBUG
-	printf ( "Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
-		tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
-		tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+	printf("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+	       tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+	       tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
 #endif
 
 	return 0;
 }
 
-int rtc_set (struct rtc_time *tmp)
+int rtc_set(struct rtc_time *tmp)
 {
-	S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
+	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();
 	uchar sec, min, hour, mday, wday, mon, year;
 
 #ifdef RTC_DEBUG
-	printf ( "Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
-		tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
-		tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+	printf("Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+	       tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+	       tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
 #endif
-	year	= bin2bcd(tmp->tm_year % 100);
-	mon	= bin2bcd(tmp->tm_mon);
-	wday	= bin2bcd(tmp->tm_wday);
-	mday	= bin2bcd(tmp->tm_mday);
-	hour	= bin2bcd(tmp->tm_hour);
-	min	= bin2bcd(tmp->tm_min);
-	sec	= bin2bcd(tmp->tm_sec);
+	year = bin2bcd(tmp->tm_year % 100);
+	mon  = bin2bcd(tmp->tm_mon);
+	wday = bin2bcd(tmp->tm_wday);
+	mday = bin2bcd(tmp->tm_mday);
+	hour = bin2bcd(tmp->tm_hour);
+	min  = bin2bcd(tmp->tm_min);
+	sec  = bin2bcd(tmp->tm_sec);
 
 	/* enable access to RTC registers */
 	SetRTC_Access(RTC_ENABLE);
 
 	/* write RTC registers */
-	rtc->BCDSEC	= sec;
-	rtc->BCDMIN	= min;
-	rtc->BCDHOUR	= hour;
-	rtc->BCDDATE	= mday;
-	rtc->BCDDAY	= wday;
-	rtc->BCDMON	= mon;
-	rtc->BCDYEAR	= year;
+	writeb(sec, &rtc->BCDSEC);
+	writeb(min, &rtc->BCDMIN);
+	writeb(hour, &rtc->BCDHOUR);
+	writeb(mday, &rtc->BCDDATE);
+	writeb(wday, &rtc->BCDDAY);
+	writeb(mon, &rtc->BCDMON);
+	writeb(year, &rtc->BCDYEAR);
 
 	/* disable access to RTC registers */
 	SetRTC_Access(RTC_DISABLE);
@@ -161,12 +163,12 @@ int rtc_set (struct rtc_time *tmp)
 	return 0;
 }
 
-void rtc_reset (void)
+void rtc_reset(void)
 {
-	S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
+	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();
 
-	rtc->RTCCON = (rtc->RTCCON & ~0x06) | 0x08;
-	rtc->RTCCON &= ~(0x08|0x01);
+	writeb((readb(&rtc->RTCCON) & ~0x06) | 0x08, &rtc->RTCCON);
+	writeb(readb(&rtc->RTCCON) & ~(0x08 | 0x01), &rtc->RTCCON);
 }
 
 #endif
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
index 6d69c43..c2c72e4 100644
--- a/drivers/serial/serial_s3c24x0.c
+++ b/drivers/serial/serial_s3c24x0.c
@@ -38,7 +38,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #elif defined(CONFIG_SERIAL3)
 # if defined(CONFIG_TRAB)
-#  #error "TRAB supports only CONFIG_SERIAL1"
+#  error "TRAB supports only CONFIG_SERIAL1"
 # endif
 #define UART_NR	S3C24X0_UART2
 
@@ -46,51 +46,71 @@ DECLARE_GLOBAL_DATA_PTR;
 #error "Bad: you didn't configure serial ..."
 #endif
 
+#include <asm/io.h>
+
 #if defined(CONFIG_SERIAL_MULTI)
 #include <serial.h>
 
 /* Multi serial device functions */
 #define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
-    int  s3serial##port##_init (void) {\
-	return serial_init_dev(port);}\
-    void s3serial##port##_setbrg (void) {\
-	serial_setbrg_dev(port);}\
-    int  s3serial##port##_getc (void) {\
-	return serial_getc_dev(port);}\
-    int  s3serial##port##_tstc (void) {\
-	return serial_tstc_dev(port);}\
-    void s3serial##port##_putc (const char c) {\
-	serial_putc_dev(port, c);}\
-    void s3serial##port##_puts (const char *s) {\
-	serial_puts_dev(port, s);}
-
-#define INIT_S3C_SERIAL_STRUCTURE(port,name,bus) {\
-	name,\
-	bus,\
-	s3serial##port##_init,\
-	s3serial##port##_setbrg,\
-	s3serial##port##_getc,\
-	s3serial##port##_tstc,\
-	s3serial##port##_putc,\
-	s3serial##port##_puts, }
+	int s3serial##port##_init(void) \
+	{ \
+		return serial_init_dev(port); \
+	} \
+	void s3serial##port##_setbrg(void) \
+	{ \
+		serial_setbrg_dev(port); \
+	} \
+	int s3serial##port##_getc(void) \
+	{ \
+		return serial_getc_dev(port); \
+	} \
+	int s3serial##port##_tstc(void) \
+	{ \
+		return serial_tstc_dev(port); \
+	} \
+	void s3serial##port##_putc(const char c) \
+	{ \
+		serial_putc_dev(port, c); \
+	} \
+	void s3serial##port##_puts(const char *s) \
+	{ \
+		serial_puts_dev(port, s); \
+	}
+
+#define INIT_S3C_SERIAL_STRUCTURE(port, name, bus) { \
+	name, \
+	bus, \
+	s3serial##port##_init, \
+	s3serial##port##_setbrg, \
+	s3serial##port##_getc, \
+	s3serial##port##_tstc, \
+	s3serial##port##_putc, \
+	s3serial##port##_puts, \
+}
 
 #endif /* CONFIG_SERIAL_MULTI */
 
+#ifdef CONFIG_HWFLOW
+static int hwflow;
+#endif
+
 void _serial_setbrg(const int dev_index)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+	struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
 	unsigned int reg = 0;
 	int i;
 
 	/* value is calculated so : (int)(PCLK/16./baudrate) -1 */
 	reg = get_PCLK() / (16 * gd->baudrate) - 1;
 
-	uart->UBRDIV = reg;
-	for (i = 0; i < 100; i++);
+	writel(reg, &uart->UBRDIV);
+	for (i = 0; i < 100; i++)
+		/* Delay */ ;
 }
+
 #if defined(CONFIG_SERIAL_MULTI)
-static inline void
-serial_setbrg_dev(unsigned int dev_index)
+static inline void serial_setbrg_dev(unsigned int dev_index)
 {
 	_serial_setbrg(dev_index);
 }
@@ -107,29 +127,33 @@ void serial_setbrg(void)
  */
 static int serial_init_dev(const int dev_index)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+	struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
+
+#ifdef CONFIG_HWFLOW
+	hwflow = 0;	/* turned off by default */
+#endif
 
 	/* FIFO enable, Tx/Rx FIFO clear */
-	uart->UFCON = 0x07;
-	uart->UMCON = 0x0;
+	writel(0x07, &uart->UFCON);
+	writel(0x0, &uart->UMCON);
 
 	/* Normal,No parity,1 stop,8 bit */
-	uart->ULCON = 0x3;
+	writel(0x3, &uart->ULCON);
 	/*
 	 * tx=level,rx=edge,disable timeout int.,enable rx error int.,
 	 * normal,interrupt or polling
 	 */
-	uart->UCON = 0x245;
+	writel(0x245, &uart->UCON);
 
 #ifdef CONFIG_HWFLOW
-	uart->UMCON = 0x1; /* RTS up */
+	writel(0x1, &uart->UMCON);	/* RTS up */
 #endif
 
 	/* FIXME: This is sooooooooooooooooooo ugly */
 #if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2)
 	/* we need auto hw flow control on the gsm and gps port */
 	if (dev_index == 0 || dev_index == 1)
-		uart->UMCON = 0x10;
+		writel(0x10, &uart->UMCON);
 #endif
 	_serial_setbrg(dev_index);
 
@@ -140,7 +164,7 @@ static int serial_init_dev(const int dev_index)
 /* Initialise the serial port. The settings are always 8 data bits, no parity,
  * 1 stop bit, no start bits.
  */
-int serial_init (void)
+int serial_init(void)
 {
 	return serial_init_dev(UART_NR);
 }
@@ -151,40 +175,40 @@ int serial_init (void)
  * otherwise. When the function is succesfull, the character read is
  * written into its argument c.
  */
-int _serial_getc (const int dev_index)
+int _serial_getc(const int dev_index)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+	struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
 
-	/* wait for character to arrive */
-	while (!(uart->UTRSTAT & 0x1));
+	while (!(readl(&uart->UTRSTAT) & 0x1))
+		/* wait for character to arrive */ ;
 
-	return uart->URXH & 0xff;
+	return readb(&uart->URXH) & 0xff;
 }
+
 #if defined(CONFIG_SERIAL_MULTI)
 static inline int serial_getc_dev(unsigned int dev_index)
 {
 	return _serial_getc(dev_index);
 }
 #else
-int serial_getc (void)
+int serial_getc(void)
 {
 	return _serial_getc(UART_NR);
 }
 #endif
 
 #ifdef CONFIG_HWFLOW
-static int hwflow = 0; /* turned off by default */
 int hwflow_onoff(int on)
 {
-	switch(on) {
+	switch (on) {
 	case 0:
 	default:
-		break; /* return current */
+		break;		/* return current */
 	case 1:
-		hwflow = 1; /* turn on */
+		hwflow = 1;	/* turn on */
 		break;
 	case -1:
-		hwflow = 0; /* turn off */
+		hwflow = 0;	/* turn off */
 		break;
 	}
 	return hwflow;
@@ -208,29 +232,29 @@ void enable_putc(void)
 /*
  * Output a single byte to the serial port.
  */
-void _serial_putc (const char c, const int dev_index)
+void _serial_putc(const char c, const int dev_index)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+	struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
 #ifdef CONFIG_MODEM_SUPPORT
 	if (be_quiet)
 		return;
 #endif
 
-	/* wait for room in the tx FIFO */
-	while (!(uart->UTRSTAT & 0x2));
+	while (!(readl(&uart->UTRSTAT) & 0x2))
+		/* wait for room in the tx FIFO */ ;
 
 #ifdef CONFIG_HWFLOW
-	/* Wait for CTS up */
-	while(hwflow && !(uart->UMSTAT & 0x1))
-		;
+	while (hwflow && !(readl(&uart->UMSTAT) & 0x1))
+		/* Wait for CTS up */ ;
 #endif
 
-	uart->UTXH = c;
+	writeb(c, &uart->UTXH);
 
 	/* If \n, also do \r */
 	if (c == '\n')
-		serial_putc ('\r');
+		serial_putc('\r');
 }
+
 #if defined(CONFIG_SERIAL_MULTI)
 static inline void serial_putc_dev(unsigned int dev_index, const char c)
 {
@@ -249,13 +273,13 @@ void serial_putc(const char c)
  */
 int _serial_tstc(const int dev_index)
 {
-	S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+	struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
 
-	return uart->UTRSTAT & 0x1;
+	return readl(&uart->UTRSTAT) & 0x1;
 }
+
 #if defined(CONFIG_SERIAL_MULTI)
-static inline int
-serial_tstc_dev(unsigned int dev_index)
+static inline int serial_tstc_dev(unsigned int dev_index)
 {
 	return _serial_tstc(dev_index);
 }
@@ -269,18 +293,17 @@ int serial_tstc(void)
 void _serial_puts(const char *s, const int dev_index)
 {
 	while (*s) {
-		_serial_putc (*s++, dev_index);
+		_serial_putc(*s++, dev_index);
 	}
 }
+
 #if defined(CONFIG_SERIAL_MULTI)
-static inline void
-serial_puts_dev(int dev_index, const char *s)
+static inline void serial_puts_dev(int dev_index, const char *s)
 {
 	_serial_puts(s, dev_index);
 }
 #else
-void
-serial_puts (const char *s)
+void serial_puts(const char *s)
 {
 	_serial_puts(s, UART_NR);
 }
@@ -289,12 +312,11 @@ serial_puts (const char *s)
 #if defined(CONFIG_SERIAL_MULTI)
 DECLARE_S3C_SERIAL_FUNCTIONS(0);
 struct serial_device s3c24xx_serial0_device =
-	INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0", "S3UART1");
+INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0", "S3UART1");
 DECLARE_S3C_SERIAL_FUNCTIONS(1);
 struct serial_device s3c24xx_serial1_device =
-	INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1", "S3UART2");
+INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1", "S3UART2");
 DECLARE_S3C_SERIAL_FUNCTIONS(2);
 struct serial_device s3c24xx_serial2_device =
-	INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2", "S3UART3");
-
+INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2", "S3UART3");
 #endif /* CONFIG_SERIAL_MULTI */