Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (82 commits)
  [ARM] Add comments marking in-use ptrace numbers
  [ARM] Move syscall saving out of the way of utrace
  [ARM] 4360/1: S3C24XX: regs-udc.h remove unused macro
  [ARM] 4358/1: S3C24XX: mach-qt2410.c: remove linux/mmc/protocol.h header
  [ARM] mm 10: allow memory type to be specified with ioremap
  [ARM] mm 9: add additional device memory types
  [ARM] mm 8: define mem_types table L1 bit 4 to be for ARMv6
  [ARM] iop: add missing parens in macro
  [ARM] mm 7: remove duplicated __ioremap() prototypes
  ARM: OMAP: fix OMAP1 mpuio suspend/resume oops
  ARM: OMAP: MPUIO wake updates
  ARM: OMAP: speed up gpio irq handling
  ARM: OMAP: plat-omap changes for 2430 SDP
  ARM: OMAP: gpio object shrinkage, cleanup
  ARM: OMAP: /sys/kernel/debug/omap_gpio
  ARM: OMAP: Implement workaround for GPIO wakeup bug in OMAP2420 silicon
  ARM: OMAP: Enable 24xx GPIO autoidling
  [ARM] 4318/2: DSM-G600 Board Support
  [ARM] 4227/1: minor head.S fixups
  [ARM] 4328/1: Move i.MX UART regs to driver
  ...

1 files changed, 205 insertions, 63 deletions

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 04cc88cc528c..e42faa4e4282 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -46,6 +46,122 @@
 #include <asm/hardware.h>
 #include <asm/arch/imx-uart.h>
 
+/* Register definitions */
+#define URXD0 0x0  /* Receiver Register */
+#define URTX0 0x40 /* Transmitter Register */
+#define UCR1  0x80 /* Control Register 1 */
+#define UCR2  0x84 /* Control Register 2 */
+#define UCR3  0x88 /* Control Register 3 */
+#define UCR4  0x8c /* Control Register 4 */
+#define UFCR  0x90 /* FIFO Control Register */
+#define USR1  0x94 /* Status Register 1 */
+#define USR2  0x98 /* Status Register 2 */
+#define UESC  0x9c /* Escape Character Register */
+#define UTIM  0xa0 /* Escape Timer Register */
+#define UBIR  0xa4 /* BRM Incremental Register */
+#define UBMR  0xa8 /* BRM Modulator Register */
+#define UBRC  0xac /* Baud Rate Count Register */
+#define BIPR1 0xb0 /* Incremental Preset Register 1 */
+#define BIPR2 0xb4 /* Incremental Preset Register 2 */
+#define BIPR3 0xb8 /* Incremental Preset Register 3 */
+#define BIPR4 0xbc /* Incremental Preset Register 4 */
+#define BMPR1 0xc0 /* BRM Modulator Register 1 */
+#define BMPR2 0xc4 /* BRM Modulator Register 2 */
+#define BMPR3 0xc8 /* BRM Modulator Register 3 */
+#define BMPR4 0xcc /* BRM Modulator Register 4 */
+#define UTS   0xd0 /* UART Test Register */
+
+/* UART Control Register Bit Fields.*/
+#define  URXD_CHARRDY    (1<<15)
+#define  URXD_ERR        (1<<14)
+#define  URXD_OVRRUN     (1<<13)
+#define  URXD_FRMERR     (1<<12)
+#define  URXD_BRK        (1<<11)
+#define  URXD_PRERR      (1<<10)
+#define  UCR1_ADEN       (1<<15) /* Auto dectect interrupt */
+#define  UCR1_ADBR       (1<<14) /* Auto detect baud rate */
+#define  UCR1_TRDYEN     (1<<13) /* Transmitter ready interrupt enable */
+#define  UCR1_IDEN       (1<<12) /* Idle condition interrupt */
+#define  UCR1_RRDYEN     (1<<9)  /* Recv ready interrupt enable */
+#define  UCR1_RDMAEN     (1<<8)  /* Recv ready DMA enable */
+#define  UCR1_IREN       (1<<7)  /* Infrared interface enable */
+#define  UCR1_TXMPTYEN   (1<<6)  /* Transimitter empty interrupt enable */
+#define  UCR1_RTSDEN     (1<<5)  /* RTS delta interrupt enable */
+#define  UCR1_SNDBRK     (1<<4)  /* Send break */
+#define  UCR1_TDMAEN     (1<<3)  /* Transmitter ready DMA enable */
+#define  UCR1_UARTCLKEN  (1<<2)  /* UART clock enabled */
+#define  UCR1_DOZE       (1<<1)  /* Doze */
+#define  UCR1_UARTEN     (1<<0)  /* UART enabled */
+#define  UCR2_ESCI       (1<<15) /* Escape seq interrupt enable */
+#define  UCR2_IRTS       (1<<14) /* Ignore RTS pin */
+#define  UCR2_CTSC       (1<<13) /* CTS pin control */
+#define  UCR2_CTS        (1<<12) /* Clear to send */
+#define  UCR2_ESCEN      (1<<11) /* Escape enable */
+#define  UCR2_PREN       (1<<8)  /* Parity enable */
+#define  UCR2_PROE       (1<<7)  /* Parity odd/even */
+#define  UCR2_STPB       (1<<6)  /* Stop */
+#define  UCR2_WS         (1<<5)  /* Word size */
+#define  UCR2_RTSEN      (1<<4)  /* Request to send interrupt enable */
+#define  UCR2_TXEN       (1<<2)  /* Transmitter enabled */
+#define  UCR2_RXEN       (1<<1)  /* Receiver enabled */
+#define  UCR2_SRST       (1<<0)  /* SW reset */
+#define  UCR3_DTREN      (1<<13) /* DTR interrupt enable */
+#define  UCR3_PARERREN   (1<<12) /* Parity enable */
+#define  UCR3_FRAERREN   (1<<11) /* Frame error interrupt enable */
+#define  UCR3_DSR        (1<<10) /* Data set ready */
+#define  UCR3_DCD        (1<<9)  /* Data carrier detect */
+#define  UCR3_RI         (1<<8)  /* Ring indicator */
+#define  UCR3_TIMEOUTEN  (1<<7)  /* Timeout interrupt enable */
+#define  UCR3_RXDSEN     (1<<6)  /* Receive status interrupt enable */
+#define  UCR3_AIRINTEN   (1<<5)  /* Async IR wake interrupt enable */
+#define  UCR3_AWAKEN     (1<<4)  /* Async wake interrupt enable */
+#define  UCR3_REF25      (1<<3)  /* Ref freq 25 MHz */
+#define  UCR3_REF30      (1<<2)  /* Ref Freq 30 MHz */
+#define  UCR3_INVT       (1<<1)  /* Inverted Infrared transmission */
+#define  UCR3_BPEN       (1<<0)  /* Preset registers enable */
+#define  UCR4_CTSTL_32   (32<<10) /* CTS trigger level (32 chars) */
+#define  UCR4_INVR       (1<<9)  /* Inverted infrared reception */
+#define  UCR4_ENIRI      (1<<8)  /* Serial infrared interrupt enable */
+#define  UCR4_WKEN       (1<<7)  /* Wake interrupt enable */
+#define  UCR4_REF16      (1<<6)  /* Ref freq 16 MHz */
+#define  UCR4_IRSC       (1<<5)  /* IR special case */
+#define  UCR4_TCEN       (1<<3)  /* Transmit complete interrupt enable */
+#define  UCR4_BKEN       (1<<2)  /* Break condition interrupt enable */
+#define  UCR4_OREN       (1<<1)  /* Receiver overrun interrupt enable */
+#define  UCR4_DREN       (1<<0)  /* Recv data ready interrupt enable */
+#define  UFCR_RXTL_SHF   0       /* Receiver trigger level shift */
+#define  UFCR_RFDIV      (7<<7)  /* Reference freq divider mask */
+#define  UFCR_TXTL_SHF   10      /* Transmitter trigger level shift */
+#define  USR1_PARITYERR  (1<<15) /* Parity error interrupt flag */
+#define  USR1_RTSS       (1<<14) /* RTS pin status */
+#define  USR1_TRDY       (1<<13) /* Transmitter ready interrupt/dma flag */
+#define  USR1_RTSD       (1<<12) /* RTS delta */
+#define  USR1_ESCF       (1<<11) /* Escape seq interrupt flag */
+#define  USR1_FRAMERR    (1<<10) /* Frame error interrupt flag */
+#define  USR1_RRDY       (1<<9)  /* Receiver ready interrupt/dma flag */
+#define  USR1_TIMEOUT    (1<<7)  /* Receive timeout interrupt status */
+#define  USR1_RXDS       (1<<6)  /* Receiver idle interrupt flag */
+#define  USR1_AIRINT     (1<<5)  /* Async IR wake interrupt flag */
+#define  USR1_AWAKE      (1<<4)  /* Aysnc wake interrupt flag */
+#define  USR2_ADET       (1<<15) /* Auto baud rate detect complete */
+#define  USR2_TXFE       (1<<14) /* Transmit buffer FIFO empty */
+#define  USR2_DTRF       (1<<13) /* DTR edge interrupt flag */
+#define  USR2_IDLE       (1<<12) /* Idle condition */
+#define  USR2_IRINT      (1<<8)  /* Serial infrared interrupt flag */
+#define  USR2_WAKE       (1<<7)  /* Wake */
+#define  USR2_RTSF       (1<<4)  /* RTS edge interrupt flag */
+#define  USR2_TXDC       (1<<3)  /* Transmitter complete */
+#define  USR2_BRCD       (1<<2)  /* Break condition */
+#define  USR2_ORE        (1<<1)  /* Overrun error */
+#define  USR2_RDR        (1<<0)  /* Recv data ready */
+#define  UTS_FRCPERR     (1<<13) /* Force parity error */
+#define  UTS_LOOP        (1<<12) /* Loop tx and rx */
+#define  UTS_TXEMPTY     (1<<6)  /* TxFIFO empty */
+#define  UTS_RXEMPTY     (1<<5)  /* RxFIFO empty */
+#define  UTS_TXFULL      (1<<4)  /* TxFIFO full */
+#define  UTS_RXFULL      (1<<3)  /* RxFIFO full */
+#define  UTS_SOFTRST     (1<<0)  /* Software reset */
+
 /* We've been assigned a range on the "Low-density serial ports" major */
 #define SERIAL_IMX_MAJOR        204
 #define MINOR_START             41
@@ -128,7 +244,10 @@ static void imx_timeout(unsigned long data)
 static void imx_stop_tx(struct uart_port *port)
 {
         struct imx_port *sport = (struct imx_port *)port;
-        UCR1((u32)sport->port.membase) &= ~UCR1_TXMPTYEN;
+        unsigned long temp;
+
+        temp = readl(sport->port.membase + UCR1);
+        writel(temp & ~UCR1_TXMPTYEN, sport->port.membase + UCR1);
 }
 
 /*
@@ -137,7 +256,10 @@ static void imx_stop_tx(struct uart_port *port)
 static void imx_stop_rx(struct uart_port *port)
 {
         struct imx_port *sport = (struct imx_port *)port;
-        UCR2((u32)sport->port.membase) &= ~UCR2_RXEN;
+        unsigned long temp;
+
+        temp = readl(sport->port.membase + UCR2);
+        writel(temp &~ UCR2_RXEN, sport->port.membase + UCR2);
 }
 
 /*
@@ -154,10 +276,10 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
 {
         struct circ_buf *xmit = &sport->port.info->xmit;
 
-        while (!(UTS((u32)sport->port.membase) & UTS_TXFULL)) {
+        while (!(readl(sport->port.membase + UTS) & UTS_TXFULL)) {
                 /* send xmit->buf[xmit->tail]
                  * out the port here */
-                URTX0((u32)sport->port.membase) = xmit->buf[xmit->tail];
+                writel(xmit->buf[xmit->tail], sport->port.membase + URTX0);
                 xmit->tail = (xmit->tail + 1) &
                          (UART_XMIT_SIZE - 1);
                 sport->port.icount.tx++;
@@ -175,21 +297,24 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
 static void imx_start_tx(struct uart_port *port)
 {
         struct imx_port *sport = (struct imx_port *)port;
+        unsigned long temp;
 
-        UCR1((u32)sport->port.membase) |= UCR1_TXMPTYEN;
+        temp = readl(sport->port.membase + UCR1);
+        writel(temp | UCR1_TXMPTYEN, sport->port.membase + UCR1);
 
-        imx_transmit_buffer(sport);
+        if (readl(sport->port.membase + UTS) & UTS_TXEMPTY)
+                imx_transmit_buffer(sport);
 }
 
 static irqreturn_t imx_rtsint(int irq, void *dev_id)
 {
         struct imx_port *sport = (struct imx_port *)dev_id;
-        unsigned int val = USR1((u32)sport->port.membase)&USR1_RTSS;
+        unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS;
         unsigned long flags;
 
         spin_lock_irqsave(&sport->port.lock, flags);
 
-        USR1((u32)sport->port.membase) = USR1_RTSD;
+        writel(USR1_RTSD, sport->port.membase + USR1);
         uart_handle_cts_change(&sport->port, !!val);
         wake_up_interruptible(&sport->port.info->delta_msr_wait);
 
@@ -207,7 +332,7 @@ static irqreturn_t imx_txint(int irq, void *dev_id)
         if (sport->port.x_char)
         {
                 /* Send next char */
-                URTX0((u32)sport->port.membase) = sport->port.x_char;
+                writel(sport->port.x_char, sport->port.membase + URTX0);
                 goto out;
         }
 
@@ -231,17 +356,18 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
         struct imx_port *sport = dev_id;
         unsigned int rx,flg,ignored = 0;
         struct tty_struct *tty = sport->port.info->tty;
-        unsigned long flags;
+        unsigned long flags, temp;
 
-        rx = URXD0((u32)sport->port.membase);
+        rx = readl(sport->port.membase + URXD0);
         spin_lock_irqsave(&sport->port.lock,flags);
 
         do {
                 flg = TTY_NORMAL;
                 sport->port.icount.rx++;
 
-                if( USR2((u32)sport->port.membase) & USR2_BRCD ) {
-                        USR2((u32)sport->port.membase) |= USR2_BRCD;
+                temp = readl(sport->port.membase + USR2);
+                if( temp & USR2_BRCD ) {
+                        writel(temp | USR2_BRCD, sport->port.membase + USR2);
                         if(uart_handle_break(&sport->port))
                                 goto ignore_char;
                 }
@@ -257,7 +383,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
                 tty_insert_flip_char(tty, rx, flg);
 
         ignore_char:
-                rx = URXD0((u32)sport->port.membase);
+                rx = readl(sport->port.membase + URXD0);
         } while(rx & URXD_CHARRDY);
 
 out:
@@ -301,7 +427,7 @@ static unsigned int imx_tx_empty(struct uart_port *port)
 {
         struct imx_port *sport = (struct imx_port *)port;
 
-        return USR2((u32)sport->port.membase) & USR2_TXDC ?  TIOCSER_TEMT : 0;
+        return (readl(sport->port.membase + USR2) & USR2_TXDC) ?  TIOCSER_TEMT : 0;
 }
 
 /*
@@ -312,10 +438,10 @@ static unsigned int imx_get_mctrl(struct uart_port *port)
         struct imx_port *sport = (struct imx_port *)port;
         unsigned int tmp = TIOCM_DSR | TIOCM_CAR;
 
-        if (USR1((u32)sport->port.membase) & USR1_RTSS)
+        if (readl(sport->port.membase + USR1) & USR1_RTSS)
                 tmp |= TIOCM_CTS;
 
-        if (UCR2((u32)sport->port.membase) & UCR2_CTS)
+        if (readl(sport->port.membase + UCR2) & UCR2_CTS)
                 tmp |= TIOCM_RTS;
 
         return tmp;
@@ -324,11 +450,14 @@ static unsigned int imx_get_mctrl(struct uart_port *port)
 static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
 {
         struct imx_port *sport = (struct imx_port *)port;
+        unsigned long temp;
+
+        temp = readl(sport->port.membase + UCR2) & ~UCR2_CTS;
 
         if (mctrl & TIOCM_RTS)
-                UCR2((u32)sport->port.membase) |= UCR2_CTS;
-        else
-                UCR2((u32)sport->port.membase) &= ~UCR2_CTS;
+                temp |= UCR2_CTS;
+
+        writel(temp, sport->port.membase + UCR2);
 }
 
 /*
@@ -337,14 +466,16 @@ static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
 static void imx_break_ctl(struct uart_port *port, int break_state)
 {
         struct imx_port *sport = (struct imx_port *)port;
-        unsigned long flags;
+        unsigned long flags, temp;
 
         spin_lock_irqsave(&sport->port.lock, flags);
 
+        temp = readl(sport->port.membase + UCR1) & ~UCR1_SNDBRK;
+
         if ( break_state != 0 )
-                UCR1((u32)sport->port.membase) |= UCR1_SNDBRK;
-        else
-                UCR1((u32)sport->port.membase) &= ~UCR1_SNDBRK;
+                temp |= UCR1_SNDBRK;
+
+        writel(temp, sport->port.membase + UCR1);
 
         spin_unlock_irqrestore(&sport->port.lock, flags);
 }
@@ -360,7 +491,7 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
         /* set receiver / transmitter trigger level.
          * RFDIV is set such way to satisfy requested uartclk value
          */
-        val = TXTL<<10 | RXTL;
+        val = TXTL << 10 | RXTL;
         ufcr_rfdiv = (imx_get_perclk1() + sport->port.uartclk / 2) / sport->port.uartclk;
 
         if(!ufcr_rfdiv)
@@ -373,7 +504,7 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
 
         val |= UFCR_RFDIV & (ufcr_rfdiv << 7);
 
-        UFCR((u32)sport->port.membase) = val;
+        writel(val, sport->port.membase + UFCR);
 
         return 0;
 }
@@ -382,14 +513,15 @@ static int imx_startup(struct uart_port *port)
 {
         struct imx_port *sport = (struct imx_port *)port;
         int retval;
-        unsigned long flags;
+        unsigned long flags, temp;
 
         imx_setup_ufcr(sport, 0);
 
         /* disable the DREN bit (Data Ready interrupt enable) before
          * requesting IRQs
          */
-        UCR4((u32)sport->port.membase) &= ~UCR4_DREN;
+        temp = readl(sport->port.membase + UCR4);
+        writel(temp & ~UCR4_DREN, sport->port.membase + UCR4);
 
         /*
          * Allocate the IRQ
@@ -411,12 +543,16 @@ static int imx_startup(struct uart_port *port)
         /*
          * Finally, clear and enable interrupts
          */
+        writel(USR1_RTSD, sport->port.membase + USR1);
+
+        temp = readl(sport->port.membase + UCR1);
+        temp |= (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+        writel(temp, sport->port.membase + UCR1);
 
-        USR1((u32)sport->port.membase) = USR1_RTSD;
-        UCR1((u32)sport->port.membase) |=
-                         (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+        temp = readl(sport->port.membase + UCR2);
+        temp |= (UCR2_RXEN | UCR2_TXEN);
+        writel(temp, sport->port.membase + UCR2);
 
-        UCR2((u32)sport->port.membase) |= (UCR2_RXEN | UCR2_TXEN);
         /*
          * Enable modem status interrupts
          */
@@ -437,6 +573,7 @@ error_out1:
 static void imx_shutdown(struct uart_port *port)
 {
         struct imx_port *sport = (struct imx_port *)port;
+        unsigned long temp;
 
         /*
          * Stop our timer.
@@ -454,8 +591,9 @@ static void imx_shutdown(struct uart_port *port)
          * Disable all interrupts, port and break condition.
          */
 
-        UCR1((u32)sport->port.membase) &=
-                         ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+        temp = readl(sport->port.membase + UCR1);
+        temp &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+        writel(temp, sport->port.membase + UCR1);
 }
 
 static void
@@ -548,18 +686,18 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
         /*
          * disable interrupts and drain transmitter
          */
-        old_ucr1 = UCR1((u32)sport->port.membase);
-        UCR1((u32)sport->port.membase) &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
+        old_ucr1 = readl(sport->port.membase + UCR1);
+        writel(old_ucr1 & ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN),
+                        sport->port.membase + UCR1);
 
-        while ( !(USR2((u32)sport->port.membase) & USR2_TXDC))
+        while ( !(readl(sport->port.membase + USR2) & USR2_TXDC))
                 barrier();
 
         /* then, disable everything */
-        old_txrxen = UCR2((u32)sport->port.membase) & ( UCR2_TXEN | UCR2_RXEN );
-        UCR2((u32)sport->port.membase) &= ~( UCR2_TXEN | UCR2_RXEN);
-
-        /* set the parity, stop bits and data size */
-        UCR2((u32)sport->port.membase) = ucr2;
+        old_txrxen = readl(sport->port.membase + UCR2);
+        writel(old_txrxen & ~( UCR2_TXEN | UCR2_RXEN),
+                        sport->port.membase + UCR2);
+        old_txrxen &= (UCR2_TXEN | UCR2_RXEN);
 
         /* set the baud rate. We assume uartclk = 16 MHz
          *
@@ -567,11 +705,13 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
          * --------- = --------
          *  uartclk    UBMR - 1
          */
-        UBIR((u32)sport->port.membase) = (baud / 100) - 1;
-        UBMR((u32)sport->port.membase) = 10000 - 1;
+        writel((baud / 100) - 1, sport->port.membase + UBIR);
+        writel(10000 - 1, sport->port.membase + UBMR);
+
+        writel(old_ucr1, sport->port.membase + UCR1);
 
-        UCR1((u32)sport->port.membase) = old_ucr1;
-        UCR2((u32)sport->port.membase) |= old_txrxen;
+        /* set the parity, stop bits and data size */
+        writel(ucr2 | old_txrxen, sport->port.membase + UCR2);
 
         if (UART_ENABLE_MS(&sport->port, termios->c_cflag))
                 imx_enable_ms(&sport->port);
@@ -730,9 +870,11 @@ static void __init imx_init_ports(void)
 static void imx_console_putchar(struct uart_port *port, int ch)
 {
         struct imx_port *sport = (struct imx_port *)port;
-        while ((UTS((u32)sport->port.membase) & UTS_TXFULL))
+
+        while (readl(sport->port.membase + UTS) & UTS_TXFULL)
                 barrier();
-        URTX0((u32)sport->port.membase) = ch;
+
+        writel(ch, sport->port.membase + URTX0);
 }
 
 /*
@@ -747,13 +889,14 @@ imx_console_write(struct console *co, const char *s, unsigned int count)
         /*
          *      First, save UCR1/2 and then disable interrupts
          */
-        old_ucr1 = UCR1((u32)sport->port.membase);
-        old_ucr2 = UCR2((u32)sport->port.membase);
+        old_ucr1 = readl(sport->port.membase + UCR1);
+        old_ucr2 = readl(sport->port.membase + UCR2);
 
-        UCR1((u32)sport->port.membase) =
-                           (old_ucr1 | UCR1_UARTCLKEN | UCR1_UARTEN)
-                           & ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
-        UCR2((u32)sport->port.membase) = old_ucr2 | UCR2_TXEN;
+        writel((old_ucr1 | UCR1_UARTCLKEN | UCR1_UARTEN) &
+                ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN),
+                sport->port.membase + UCR1);
+
+        writel(old_ucr2 | UCR2_TXEN, sport->port.membase + UCR2);
 
         uart_console_write(&sport->port, s, count, imx_console_putchar);
 
@@ -761,10 +904,10 @@ imx_console_write(struct console *co, const char *s, unsigned int count)
          *      Finally, wait for transmitter to become empty
          *      and restore UCR1/2
          */
-        while (!(USR2((u32)sport->port.membase) & USR2_TXDC));
+        while (!(readl(sport->port.membase + USR2) & USR2_TXDC));
 
-        UCR1((u32)sport->port.membase) = old_ucr1;
-        UCR2((u32)sport->port.membase) = old_ucr2;
+        writel(old_ucr1, sport->port.membase + UCR1);
+        writel(old_ucr2, sport->port.membase + UCR2);
 }
 
 /*
@@ -776,13 +919,13 @@ imx_console_get_options(struct imx_port *sport, int *baud,
                            int *parity, int *bits)
 {
 
-        if ( UCR1((u32)sport->port.membase) | UCR1_UARTEN ) {
+        if ( readl(sport->port.membase + UCR1) | UCR1_UARTEN ) {
                 /* ok, the port was enabled */
                 unsigned int ucr2, ubir,ubmr, uartclk;
                 unsigned int baud_raw;
                 unsigned int ucfr_rfdiv;
 
-                ucr2 = UCR2((u32)sport->port.membase);
+                ucr2 = readl(sport->port.membase + UCR2);
 
                 *parity = 'n';
                 if (ucr2 & UCR2_PREN) {
@@ -797,11 +940,10 @@ imx_console_get_options(struct imx_port *sport, int *baud,
                 else
                         *bits = 7;
 
-                ubir = UBIR((u32)sport->port.membase) & 0xffff;
-                ubmr = UBMR((u32)sport->port.membase) & 0xffff;
-
+                ubir = readl(sport->port.membase + UBIR) & 0xffff;
+                ubmr = readl(sport->port.membase + UBMR) & 0xffff;
 
-                ucfr_rfdiv = (UFCR((u32)sport->port.membase) & UFCR_RFDIV) >> 7;
+                ucfr_rfdiv = (readl(sport->port.membase + UFCR) & UFCR_RFDIV) >> 7;
                 if (ucfr_rfdiv == 6)
                         ucfr_rfdiv = 7;
                 else