Patchwork [U-Boot,2/7] ColdFire: Clean up checkpatch warnings for MCF5227x

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Submitter Alison Wang
Date March 27, 2012, 7:49 a.m.
Message ID <1332834548-392-3-git-send-email-b18965@freescale.com>
Download mbox | patch
Permalink /patch/148886/
State Accepted
Commit 849fc424713d176f90af0b05f6161bc3803ca887
Delegated to: Jason Jin
Headers show

Comments

Alison Wang - March 27, 2012, 7:49 a.m.
Signed-off-by: Alison Wang <b18965@freescale.com>
---
 arch/m68k/cpu/mcf5227x/cpu.c          |   13 ++--
 arch/m68k/cpu/mcf5227x/cpu_init.c     |  140 +++++++++++++++++----------------
 arch/m68k/cpu/mcf5227x/interrupts.c   |   15 ++--
 arch/m68k/cpu/mcf5227x/speed.c        |   40 +++++-----
 board/freescale/m52277evb/m52277evb.c |   30 ++++---
 5 files changed, 123 insertions(+), 115 deletions(-)

Patch

diff --git a/arch/m68k/cpu/mcf5227x/cpu.c b/arch/m68k/cpu/mcf5227x/cpu.c
index 09ef1d2..3a0ab97 100644
--- a/arch/m68k/cpu/mcf5227x/cpu.c
+++ b/arch/m68k/cpu/mcf5227x/cpu.c
@@ -3,7 +3,7 @@ 
  * (C) Copyright 2000-2003
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  *
  * See file CREDITS for list of people who contributed to this
@@ -30,14 +30,15 @@ 
 #include <command.h>
 
 #include <asm/immap.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM);
+	rcm_t *rcm = (rcm_t *) (MMAP_RCM);
 	udelay(1000);
-	rcm->rcr |= RCM_RCR_SOFTRST;
+	setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
 
 	/* we don't return! */
 	return 0;
@@ -45,14 +46,14 @@  int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 int checkcpu(void)
 {
-	volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
+	ccm_t *ccm = (ccm_t *) MMAP_CCM;
 	u16 msk;
 	u16 id = 0;
 	u8 ver;
 
 	puts("CPU:   ");
-	msk = (ccm->cir >> 6);
-	ver = (ccm->cir & 0x003f);
+	msk = (in_be16(&ccm->cir) >> 6);
+	ver = (in_be16(&ccm->cir) & 0x003f);
 	switch (msk) {
 	case 0x6c:
 		id = 52277;
diff --git a/arch/m68k/cpu/mcf5227x/cpu_init.c b/arch/m68k/cpu/mcf5227x/cpu_init.c
index beb78f5..e23b20d 100644
--- a/arch/m68k/cpu/mcf5227x/cpu_init.c
+++ b/arch/m68k/cpu/mcf5227x/cpu_init.c
@@ -3,7 +3,7 @@ 
  * (C) Copyright 2000-2003
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
+ * (C) Copyright 2004-2007, 2012 Freescale Semiconductor, Inc.
  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  *
  * See file CREDITS for list of people who contributed to this
@@ -29,6 +29,7 @@ 
 #include <watchdog.h>
 
 #include <asm/immap.h>
+#include <asm/io.h>
 #include <asm/rtc.h>
 
 /*
@@ -40,70 +41,70 @@ 
  */
 void cpu_init_f(void)
 {
-	volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
-	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-	volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
-	volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+	scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
+	gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+	pll_t *pll = (pll_t *)MMAP_PLL;
 
 #if !defined(CONFIG_CF_SBF)
 	/* Workaround, must place before fbcs */
-	pll->psr = 0x12;
-
-	scm1->mpr = 0x77777777;
-	scm1->pacra = 0;
-	scm1->pacrb = 0;
-	scm1->pacrc = 0;
-	scm1->pacrd = 0;
-	scm1->pacre = 0;
-	scm1->pacrf = 0;
-	scm1->pacrg = 0;
-	scm1->pacri = 0;
+	out_be32(&pll->psr, 0x12);
+
+	out_be32(&scm1->mpr, 0x77777777);
+	out_be32(&scm1->pacra, 0);
+	out_be32(&scm1->pacrb, 0);
+	out_be32(&scm1->pacrc, 0);
+	out_be32(&scm1->pacrd, 0);
+	out_be32(&scm1->pacre, 0);
+	out_be32(&scm1->pacrf, 0);
+	out_be32(&scm1->pacrg, 0);
+	out_be32(&scm1->pacri, 0);
 
 #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
      && defined(CONFIG_SYS_CS0_CTRL))
-	fbcs->csar0 = CONFIG_SYS_CS0_BASE;
-	fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
-	fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
+	out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
+	out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
+	out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
 #endif
 #endif				/* CONFIG_CF_SBF */
 
 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
      && defined(CONFIG_SYS_CS1_CTRL))
-	fbcs->csar1 = CONFIG_SYS_CS1_BASE;
-	fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
-	fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
+	out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
+	out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
+	out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
 #endif
 
 #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
      && defined(CONFIG_SYS_CS2_CTRL))
-	fbcs->csar2 = CONFIG_SYS_CS2_BASE;
-	fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
-	fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
+	out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
+	out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
+	out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
 #endif
 
 #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
      && defined(CONFIG_SYS_CS3_CTRL))
-	fbcs->csar3 = CONFIG_SYS_CS3_BASE;
-	fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
-	fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
+	out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
+	out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
+	out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
 #endif
 
 #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
      && defined(CONFIG_SYS_CS4_CTRL))
-	fbcs->csar4 = CONFIG_SYS_CS4_BASE;
-	fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
-	fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
+	out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
+	out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
+	out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
 #endif
 
 #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
      && defined(CONFIG_SYS_CS5_CTRL))
-	fbcs->csar5 = CONFIG_SYS_CS5_BASE;
-	fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
-	fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
+	out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
+	out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
+	out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
 #endif
 
 #ifdef CONFIG_FSL_I2C
-	gpio->par_i2c = GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA;
+	out_8(&gpio->par_i2c, GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA);
 #endif
 
 	icache_enable();
@@ -115,11 +116,11 @@  void cpu_init_f(void)
 int cpu_init_r(void)
 {
 #ifdef CONFIG_MCFRTC
-	volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
-	volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
+	rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
+	rtcex_t *rtcex = (rtcex_t *)&rtc->extended;
 
-	rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF;
-	rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF;
+	out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff);
+	out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff);
 #endif
 
 	return (0);
@@ -127,27 +128,27 @@  int cpu_init_r(void)
 
 void uart_port_conf(int port)
 {
-	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	gpio_t *gpio = (gpio_t *) MMAP_GPIO;
 
 	/* Setup Ports: */
 	switch (port) {
 	case 0:
-		gpio->par_uart &=
-		    (GPIO_PAR_UART_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK);
-		gpio->par_uart |=
-		    (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
+		clrbits_be16(&gpio->par_uart,
+			~(GPIO_PAR_UART_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK));
+		setbits_be16(&gpio->par_uart,
+			GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
 		break;
 	case 1:
-		gpio->par_uart &=
-		    (GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK);
-		gpio->par_uart |=
-		    (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
+		clrbits_be16(&gpio->par_uart,
+			~(GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK));
+		setbits_be16(&gpio->par_uart,
+			GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
 		break;
 	case 2:
-		gpio->par_dspi &=
-		    (GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK);
-		gpio->par_dspi =
-		    (GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD);
+		clrbits_8(&gpio->par_dspi,
+			~(GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK));
+		out_8(&gpio->par_dspi,
+			GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD);
 		break;
 	}
 }
@@ -155,32 +156,32 @@  void uart_port_conf(int port)
 #ifdef CONFIG_CF_DSPI
 void cfspi_port_conf(void)
 {
-	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	gpio_t *gpio = (gpio_t *) MMAP_GPIO;
 
-	gpio->par_dspi =
-	    GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
-	    GPIO_PAR_DSPI_SCK_SCK;
+	out_8(&gpio->par_dspi,
+		GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
+		GPIO_PAR_DSPI_SCK_SCK);
 }
 
 int cfspi_claim_bus(uint bus, uint cs)
 {
-	volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+	gpio_t *gpio = (gpio_t *) MMAP_GPIO;
 
-	if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
+	if ((in_be32(&dspi->sr) & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
 		return -1;
 
 	/* Clear FIFO and resume transfer */
-	dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF);
+	clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
 
 	switch (cs) {
 	case 0:
-		gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_UNMASK;
-		gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
+		clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_UNMASK);
+		setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
 		break;
 	case 2:
-		gpio->par_timer &= GPIO_PAR_TIMER_T2IN_UNMASK;
-		gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2;
+		clrbits_8(&gpio->par_timer, ~GPIO_PAR_TIMER_T2IN_UNMASK);
+		setbits_8(&gpio->par_timer, GPIO_PAR_TIMER_T2IN_DSPIPCS2);
 		break;
 	}
 
@@ -189,17 +190,18 @@  int cfspi_claim_bus(uint bus, uint cs)
 
 void cfspi_release_bus(uint bus, uint cs)
 {
-	volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+	gpio_t *gpio = (gpio_t *) MMAP_GPIO;
 
-	dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF);	/* Clear FIFO */
+	/* Clear FIFO */
+	clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
 
 	switch (cs) {
 	case 0:
-		gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
+		clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
 		break;
 	case 2:
-		gpio->par_timer &= GPIO_PAR_TIMER_T2IN_UNMASK;
+		clrbits_8(&gpio->par_timer, ~GPIO_PAR_TIMER_T2IN_UNMASK);
 		break;
 	}
 }
diff --git a/arch/m68k/cpu/mcf5227x/interrupts.c b/arch/m68k/cpu/mcf5227x/interrupts.c
index 85828a6..a2cf519 100644
--- a/arch/m68k/cpu/mcf5227x/interrupts.c
+++ b/arch/m68k/cpu/mcf5227x/interrupts.c
@@ -3,7 +3,7 @@ 
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  *
  * See file CREDITS for list of people who contributed to this
@@ -28,14 +28,15 @@ 
 /* CPU specific interrupt routine */
 #include <common.h>
 #include <asm/immap.h>
+#include <asm/io.h>
 
 int interrupt_init(void)
 {
-	volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
+	int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
 
 	/* Make sure all interrupts are disabled */
-	intp->imrh0 |= 0xFFFFFFFF;
-	intp->imrl0 |= 0xFFFFFFFF;
+	setbits_be32(&intp->imrh0, 0xffffffff);
+	setbits_be32(&intp->imrl0, 0xffffffff);
 
 	enable_interrupts();
 	return 0;
@@ -44,9 +45,9 @@  int interrupt_init(void)
 #if defined(CONFIG_MCFTMR)
 void dtimer_intr_setup(void)
 {
-	volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
+	int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
 
-	intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI;
-	intp->imrh0 &= ~CONFIG_SYS_TMRINTR_MASK;
+	out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI);
+	clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK);
 }
 #endif
diff --git a/arch/m68k/cpu/mcf5227x/speed.c b/arch/m68k/cpu/mcf5227x/speed.c
index 7e385d3..b94a9ed 100644
--- a/arch/m68k/cpu/mcf5227x/speed.c
+++ b/arch/m68k/cpu/mcf5227x/speed.c
@@ -1,6 +1,6 @@ 
 /*
  *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  *
  * See file CREDITS for list of people who contributed to this
@@ -26,6 +26,7 @@ 
 #include <asm/processor.h>
 
 #include <asm/immap.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -44,7 +45,7 @@  DECLARE_GLOBAL_DATA_PTR;
 
 void clock_enter_limp(int lpdiv)
 {
-	volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+	ccm_t *ccm = (ccm_t *)MMAP_CCM;
 	int i, j;
 
 	/* Check bounds of divider */
@@ -57,10 +58,10 @@  void clock_enter_limp(int lpdiv)
 	for (i = 0, j = lpdiv; j != 1; j >>= 1, i++) ;
 
 	/* Apply the divider to the system clock */
-	ccm->cdr = (ccm->cdr & 0xF0FF) | CCM_CDR_LPDIV(i);
+	clrsetbits_be16(&ccm->cdr, 0x0f00, CCM_CDR_LPDIV(i));
 
 	/* Enable Limp Mode */
-	ccm->misccr |= CCM_MISCCR_LIMP;
+	setbits_be16(&ccm->misccr, CCM_MISCCR_LIMP);
 }
 
 /*
@@ -69,14 +70,15 @@  void clock_enter_limp(int lpdiv)
  */
 void clock_exit_limp(void)
 {
-	volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
-	volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+	ccm_t *ccm = (ccm_t *)MMAP_CCM;
+	pll_t *pll = (pll_t *)MMAP_PLL;
 
 	/* Exit Limp mode */
-	ccm->misccr &= ~CCM_MISCCR_LIMP;
+	clrbits_be16(&ccm->misccr, CCM_MISCCR_LIMP);
 
 	/* Wait for the PLL to lock */
-	while (!(pll->psr & PLL_PSR_LOCK)) ;
+	while (!(in_be32(&pll->psr) & PLL_PSR_LOCK))
+		;
 }
 
 /*
@@ -85,12 +87,12 @@  void clock_exit_limp(void)
 int get_clocks(void)
 {
 
-	volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
-	volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+	ccm_t *ccm = (ccm_t *)MMAP_CCM;
+	pll_t *pll = (pll_t *)MMAP_PLL;
 	int vco, temp, pcrvalue, pfdr;
 	u8 bootmode;
 
-	pcrvalue = pll->pcr & 0xFF0F0FFF;
+	pcrvalue = in_be32(&pll->pcr) & 0xFF0F0FFF;
 	pfdr = pcrvalue >> 24;
 
 	if (pfdr == 0x1E)
@@ -102,32 +104,32 @@  int get_clocks(void)
 
 	if (bootmode == 0) {
 		/* Normal mode */
-		vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
+		vco = ((in_be32(&pll->pcr) & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
 		if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) {
 			/* Default value */
-			pcrvalue = (pll->pcr & 0x00FFFFFF);
+			pcrvalue = (in_be32(&pll->pcr) & 0x00FFFFFF);
 			pcrvalue |= 0x1E << 24;
-			pll->pcr = pcrvalue;
+			out_be32(&pll->pcr, pcrvalue);
 			vco =
-			    ((pll->pcr & 0xFF000000) >> 24) *
+			    ((in_be32(&pll->pcr) & 0xFF000000) >> 24) *
 			    CONFIG_SYS_INPUT_CLKSRC;
 		}
 		gd->vco_clk = vco;	/* Vco clock */
 	} else if (bootmode == 3) {
 		/* serial mode */
-		vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
+		vco = ((in_be32(&pll->pcr) & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
 		gd->vco_clk = vco;	/* Vco clock */
 	}
 
-	if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) {
+	if ((in_be16(&ccm->ccr) & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) {
 		/* Limp mode */
 	} else {
 		gd->inp_clk = CONFIG_SYS_INPUT_CLKSRC;	/* Input clock */
 
-		temp = (pll->pcr & PLL_PCR_OUTDIV1_MASK) + 1;
+		temp = (in_be32(&pll->pcr) & PLL_PCR_OUTDIV1_MASK) + 1;
 		gd->cpu_clk = vco / temp;	/* cpu clock */
 
-		temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1;
+		temp = ((in_be32(&pll->pcr) & PLL_PCR_OUTDIV2_MASK) >> 4) + 1;
 		gd->flb_clk = vco / temp;	/* flexbus clock */
 		gd->bus_clk = gd->flb_clk;
 	}
diff --git a/board/freescale/m52277evb/m52277evb.c b/board/freescale/m52277evb/m52277evb.c
index 9109edb..a9bec58 100644
--- a/board/freescale/m52277evb/m52277evb.c
+++ b/board/freescale/m52277evb/m52277evb.c
@@ -2,7 +2,7 @@ 
  * (C) Copyright 2000-2003
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  *
  * See file CREDITS for list of people who contributed to this
@@ -26,6 +26,7 @@ 
 
 #include <common.h>
 #include <asm/immap.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -47,8 +48,8 @@  phys_size_t initdram(int board_type)
 	 */
 	dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
 #else
-	volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
-	volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
+	sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM);
+	gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
 	u32 i;
 
 	dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
@@ -59,36 +60,37 @@  phys_size_t initdram(int board_type)
 	}
 	i--;
 
-	gpio->mscr_sdram = CONFIG_SYS_SDRAM_DRV_STRENGTH;
+	out_8(&gpio->mscr_sdram, CONFIG_SYS_SDRAM_DRV_STRENGTH);
 
-	sdram->sdcs0 = (CONFIG_SYS_SDRAM_BASE | i);
+	out_be32(&sdram->sdcs0, CONFIG_SYS_SDRAM_BASE | i);
 
-	sdram->sdcfg1 = CONFIG_SYS_SDRAM_CFG1;
-	sdram->sdcfg2 = CONFIG_SYS_SDRAM_CFG2;
+	out_be32(&sdram->sdcfg1, CONFIG_SYS_SDRAM_CFG1);
+	out_be32(&sdram->sdcfg2, CONFIG_SYS_SDRAM_CFG2);
 
 	/* Issue PALL */
-	sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2;
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
 	__asm__("nop");
 
 	/* Issue LEMR */
-	sdram->sdmr = CONFIG_SYS_SDRAM_MODE;
+	out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE);
 	__asm__("nop");
-	sdram->sdmr = CONFIG_SYS_SDRAM_EMOD;
+	out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_EMOD);
 	__asm__("nop");
 
 	udelay(1000);
 
 	/* Issue PALL */
-	sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2;
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
 	__asm__("nop");
 
 	/* Perform two refresh cycles */
-	sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4;
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
 	__asm__("nop");
-	sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4;
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
 	__asm__("nop");
 
-	sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000C00;
+	out_be32(&sdram->sdcr,
+		(CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00);
 
 	udelay(100);
 #endif