ColdFire: MCF52x2 update

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>

1 files changed, 208 insertions, 174 deletions

diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 1748ea9..5736d0f 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -27,28 +27,10 @@
 
 #include <common.h>
 #include <watchdog.h>
-
-#ifdef	CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
-
-#ifdef	CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
-
-#ifdef	CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#ifdef	CONFIG_M5249
-#include <asm/m5249.h>
-#endif
+#include <asm/immap.h>
 
 #if defined(CONFIG_M5271)
-void cpu_init_f (void)
+void cpu_init_f(void)
 {
 #ifndef CONFIG_WATCHDOG
 	/* Disable the watchdog if we aren't using it */
@@ -58,25 +40,35 @@ void cpu_init_f (void)
 	/* Set clockspeed to 100MHz */
 	mbar_writeShort(MCF_FMPLL_SYNCR,
 			MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
-	while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK);
-
-	/* Enable UART pins */
-	mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
-			MCF_GPIO_PAR_UART_U0RXD |
-			MCF_GPIO_PAR_UART_U1RXD_UART1 |
-			MCF_GPIO_PAR_UART_U1TXD_UART1);
-
-	/* Enable Ethernet pins */
-	mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C);
+	while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ;
 }
 
 /*
  * initialize higher level parts of CPU like timers
  */
-int cpu_init_r	(void)
+int cpu_init_r(void)
 {
 	return (0);
 }
+
+void uart_port_conf(void)
+{
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
+				MCF_GPIO_PAR_UART_U0RXD);
+		break;
+	case 1:
+		mbar_writeShort(MCF_GPIO_PAR_UART,
+				MCF_GPIO_PAR_UART_U1RXD_UART1 |
+				MCF_GPIO_PAR_UART_U1TXD_UART1);
+		break;
+	case 2:
+		mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000);
+		break;
+	}
+}
 #endif
 
 #if defined(CONFIG_M5272)
@@ -87,69 +79,68 @@ int cpu_init_r	(void)
  * initialize a bunch of registers,
  * initialize the UPM's
  */
-void cpu_init_f (void)
+void cpu_init_f(void)
 {
 	/* if we come from RAM we assume the CPU is
 	 * already initialized.
 	 */
 #ifndef CONFIG_MONITOR_IS_IN_RAM
-	volatile immap_t *regp = (immap_t *)CFG_MBAR;
-
-	volatile unsigned char	*mbar;
-	mbar = (volatile unsigned char *) CFG_MBAR;
+	volatile sysctrl_t *sysctrl = (sysctrl_t *) (CFG_MBAR);
+	volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
+	volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
 
-	regp->sysctrl_reg.sc_scr = CFG_SCR;
-	regp->sysctrl_reg.sc_spr = CFG_SPR;
+	sysctrl->sc_scr = CFG_SCR;
+	sysctrl->sc_spr = CFG_SPR;
 
 	/* Setup Ports: */
-	regp->gpio_reg.gpio_pacnt = CFG_PACNT;
-	regp->gpio_reg.gpio_paddr = CFG_PADDR;
-	regp->gpio_reg.gpio_padat = CFG_PADAT;
-	regp->gpio_reg.gpio_pbcnt = CFG_PBCNT;
-	regp->gpio_reg.gpio_pbddr = CFG_PBDDR;
-	regp->gpio_reg.gpio_pbdat = CFG_PBDAT;
-	regp->gpio_reg.gpio_pdcnt = CFG_PDCNT;
+	gpio->gpio_pacnt = CFG_PACNT;
+	gpio->gpio_paddr = CFG_PADDR;
+	gpio->gpio_padat = CFG_PADAT;
+	gpio->gpio_pbcnt = CFG_PBCNT;
+	gpio->gpio_pbddr = CFG_PBDDR;
+	gpio->gpio_pbdat = CFG_PBDAT;
+	gpio->gpio_pdcnt = CFG_PDCNT;
 
 	/* Memory Controller: */
-	regp->csctrl_reg.cs_br0 = CFG_BR0_PRELIM;
-	regp->csctrl_reg.cs_or0 = CFG_OR0_PRELIM;
+	csctrl->cs_br0 = CFG_BR0_PRELIM;
+	csctrl->cs_or0 = CFG_OR0_PRELIM;
 
 #if (defined(CFG_OR1_PRELIM) && defined(CFG_BR1_PRELIM))
-	regp->csctrl_reg.cs_br1 = CFG_BR1_PRELIM;
-	regp->csctrl_reg.cs_or1 = CFG_OR1_PRELIM;
+	csctrl->cs_br1 = CFG_BR1_PRELIM;
+	csctrl->cs_or1 = CFG_OR1_PRELIM;
 #endif
 
 #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
-	regp->csctrl_reg.cs_br2 = CFG_BR2_PRELIM;
-	regp->csctrl_reg.cs_or2 = CFG_OR2_PRELIM;
+	csctrl->cs_br2 = CFG_BR2_PRELIM;
+	csctrl->cs_or2 = CFG_OR2_PRELIM;
 #endif
 
 #if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM)
-	regp->csctrl_reg.cs_br3 = CFG_BR3_PRELIM;
-	regp->csctrl_reg.cs_or3 = CFG_OR3_PRELIM;
+	csctrl->cs_br3 = CFG_BR3_PRELIM;
+	csctrl->cs_or3 = CFG_OR3_PRELIM;
 #endif
 
 #if defined(CFG_OR4_PRELIM) && defined(CFG_BR4_PRELIM)
-	regp->csctrl_reg.cs_br4 = CFG_BR4_PRELIM;
-	regp->csctrl_reg.cs_or4 = CFG_OR4_PRELIM;
+	csctrl->cs_br4 = CFG_BR4_PRELIM;
+	csctrl->cs_or4 = CFG_OR4_PRELIM;
 #endif
 
 #if defined(CFG_OR5_PRELIM) && defined(CFG_BR5_PRELIM)
-	regp->csctrl_reg.cs_br5 = CFG_BR5_PRELIM;
-	regp->csctrl_reg.cs_or5 = CFG_OR5_PRELIM;
+	csctrl->cs_br5 = CFG_BR5_PRELIM;
+	csctrl->cs_or5 = CFG_OR5_PRELIM;
 #endif
 
 #if defined(CFG_OR6_PRELIM) && defined(CFG_BR6_PRELIM)
-	regp->csctrl_reg.cs_br6 = CFG_BR6_PRELIM;
-	regp->csctrl_reg.cs_or6 = CFG_OR6_PRELIM;
+	csctrl->cs_br6 = CFG_BR6_PRELIM;
+	csctrl->cs_or6 = CFG_OR6_PRELIM;
 #endif
 
 #if defined(CFG_OR7_PRELIM) && defined(CFG_BR7_PRELIM)
-	regp->csctrl_reg.cs_br7 = CFG_BR7_PRELIM;
-	regp->csctrl_reg.cs_or7 = CFG_OR7_PRELIM;
+	csctrl->cs_br7 = CFG_BR7_PRELIM;
+	csctrl->cs_or7 = CFG_OR7_PRELIM;
 #endif
 
-#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
+#endif				/* #ifndef CONFIG_MONITOR_IS_IN_RAM */
 
 	/* enable instruction cache now */
 	icache_enable();
@@ -159,14 +150,30 @@ void cpu_init_f (void)
 /*
  * initialize higher level parts of CPU like timers
  */
-int cpu_init_r	(void)
+int cpu_init_r(void)
 {
 	return (0);
 }
-#endif /* #if defined(CONFIG_M5272) */
 
+void uart_port_conf(void)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
+		gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
+		break;
+	case 1:
+		gpio->gpio_pdcnt &= ~(GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK);
+		gpio->gpio_pdcnt |= (GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD);
+		break;
+	}
+}
+#endif				/* #if defined(CONFIG_M5272) */
 
-#ifdef	CONFIG_M5282
+#if defined(CONFIG_M5282)
 /*
  * Breath some life into the CPU...
  *
@@ -174,7 +181,7 @@ int cpu_init_r	(void)
  * initialize a bunch of registers,
  * initialize the UPM's
  */
-void cpu_init_f (void)
+void cpu_init_f(void)
 {
 #ifndef CONFIG_WATCHDOG
 	/* disable watchdog if we aren't using it */
@@ -183,7 +190,11 @@ void cpu_init_f (void)
 
 #ifndef CONFIG_MONITOR_IS_IN_RAM
 	/* Set speed /PLL */
-	MCFCLOCK_SYNCR =  MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+	MCFCLOCK_SYNCR =
+	    MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+	while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
+
+	MCFGPIO_PBCDPAR = 0xc0;
 
 	/* Set up the GPIO ports */
 #ifdef CFG_PEPAR
@@ -228,29 +239,28 @@ void cpu_init_f (void)
     defined(CFG_CS0_WIDTH) & defined(CFG_CS0_RO) & \
 	defined(CFG_CS0_WS)
 
-	MCFCSM_CSAR0 =	(CFG_CS0_BASE >> 16) & 0xFFFF;
-
-	#if (CFG_CS0_WIDTH == 8)
-		#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_8
-	#elif (CFG_CS0_WIDTH == 16)
-		#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_16
-	#elif (CFG_CS0_WIDTH == 32)
-		#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_32
-	#else
-		#error	"CFG_CS0_WIDTH: Fault - wrong bus with for CS0"
-	#endif
-	MCFCSM_CSCR0 =	MCFCSM_CSCR_WS(CFG_CS0_WS)
-			|CFG_CS0_PS
-			|MCFCSM_CSCR_AA;
-
-	#if (CFG_CS0_RO != 0)
-		MCFCSM_CSMR0 =	MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)
-				|MCFCSM_CSMR_WP|MCFCSM_CSMR_V;
- 	#else
-		MCFCSM_CSMR0 =	MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)|MCFCSM_CSMR_V;
-	#endif
+	MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF;
+
+#if (CFG_CS0_WIDTH == 8)
+#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_8
+#elif (CFG_CS0_WIDTH == 16)
+#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_16
+#elif (CFG_CS0_WIDTH == 32)
+#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_32
 #else
-	#waring "Chip Select 0 are not initialized/used"
+#error	"CFG_CS0_WIDTH: Fault - wrong bus with for CS0"
+#endif
+	MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS)
+	    | CFG_CS0_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS0_RO != 0)
+	MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1)
+	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+	MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1) | MCFCSM_CSMR_V;
+#endif
+#else
+#waring "Chip Select 0 are not initialized/used"
 #endif
 
 #if defined(CFG_CS1_BASE) & defined(CFG_CS1_SIZE) & \
@@ -259,29 +269,27 @@ void cpu_init_f (void)
 
 	MCFCSM_CSAR1 = (CFG_CS1_BASE >> 16) & 0xFFFF;
 
-	#if (CFG_CS1_WIDTH == 8)
-		#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_8
-	#elif (CFG_CS1_WIDTH == 16)
-		#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_16
-	#elif (CFG_CS1_WIDTH == 32)
-		#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_32
-	#else
-		#error	"CFG_CS1_WIDTH: Fault - wrong bus with for CS1"
-	#endif
-	MCFCSM_CSCR1 =	MCFCSM_CSCR_WS(CFG_CS1_WS)
-			|CFG_CS1_PS
-			|MCFCSM_CSCR_AA;
-
-	#if (CFG_CS1_RO != 0)
-		MCFCSM_CSMR1 =	MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1)
-				|MCFCSM_CSMR_WP
-				|MCFCSM_CSMR_V;
- 	#else
-		MCFCSM_CSMR1 =	MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1)
-				|MCFCSM_CSMR_V;
-	#endif
+#if (CFG_CS1_WIDTH == 8)
+#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_8
+#elif (CFG_CS1_WIDTH == 16)
+#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_16
+#elif (CFG_CS1_WIDTH == 32)
+#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_32
+#else
+#error	"CFG_CS1_WIDTH: Fault - wrong bus with for CS1"
+#endif
+	MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS)
+	    | CFG_CS1_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS1_RO != 0)
+	MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1)
+	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+	MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1)
+	    | MCFCSM_CSMR_V;
+#endif
 #else
-	#warning "Chip Select 1 are not initialized/used"
+#warning "Chip Select 1 are not initialized/used"
 #endif
 
 #if defined(CFG_CS2_BASE) & defined(CFG_CS2_SIZE) & \
@@ -290,29 +298,27 @@ void cpu_init_f (void)
 
 	MCFCSM_CSAR2 = (CFG_CS2_BASE >> 16) & 0xFFFF;
 
-	#if (CFG_CS2_WIDTH == 8)
-		#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_8
-	#elif (CFG_CS2_WIDTH == 16)
-		#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_16
-	#elif (CFG_CS2_WIDTH == 32)
-		#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_32
-	#else
-		#error	"CFG_CS2_WIDTH: Fault - wrong bus with for CS2"
-	#endif
-	MCFCSM_CSCR2 =	MCFCSM_CSCR_WS(CFG_CS2_WS)
-			|CFG_CS2_PS
-			|MCFCSM_CSCR_AA;
-
-	#if (CFG_CS2_RO != 0)
-		MCFCSM_CSMR2 =	MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1)
-				|MCFCSM_CSMR_WP
-				|MCFCSM_CSMR_V;
- 	#else
-		MCFCSM_CSMR2 =	MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1)
-				|MCFCSM_CSMR_V;
-	#endif
+#if (CFG_CS2_WIDTH == 8)
+#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_8
+#elif (CFG_CS2_WIDTH == 16)
+#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_16
+#elif (CFG_CS2_WIDTH == 32)
+#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_32
 #else
-	#warning "Chip Select 2 are not initialized/used"
+#error	"CFG_CS2_WIDTH: Fault - wrong bus with for CS2"
+#endif
+	MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS)
+	    | CFG_CS2_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS2_RO != 0)
+	MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1)
+	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+	MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1)
+	    | MCFCSM_CSMR_V;
+#endif
+#else
+#warning "Chip Select 2 are not initialized/used"
 #endif
 
 #if defined(CFG_CS3_BASE) & defined(CFG_CS3_SIZE) & \
@@ -321,32 +327,30 @@ void cpu_init_f (void)
 
 	MCFCSM_CSAR3 = (CFG_CS3_BASE >> 16) & 0xFFFF;
 
-	#if (CFG_CS3_WIDTH == 8)
-		#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_8
-	#elif (CFG_CS3_WIDTH == 16)
-		#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_16
-	#elif (CFG_CS3_WIDTH == 32)
-		#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_32
-	#else
-		#error	"CFG_CS3_WIDTH: Fault - wrong bus with for CS1"
-	#endif
-	MCFCSM_CSCR3 =	MCFCSM_CSCR_WS(CFG_CS3_WS)
-			|CFG_CS3_PS
-			|MCFCSM_CSCR_AA;
-
-	#if (CFG_CS3_RO != 0)
-		MCFCSM_CSMR3 =	MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1)
-				|MCFCSM_CSMR_WP
-				|MCFCSM_CSMR_V;
- 	#else
-		MCFCSM_CSMR3 =	MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1)
-				|MCFCSM_CSMR_V;
-	#endif
+#if (CFG_CS3_WIDTH == 8)
+#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_8
+#elif (CFG_CS3_WIDTH == 16)
+#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_16
+#elif (CFG_CS3_WIDTH == 32)
+#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_32
+#else
+#error	"CFG_CS3_WIDTH: Fault - wrong bus with for CS1"
+#endif
+	MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS)
+	    | CFG_CS3_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS3_RO != 0)
+	MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1)
+	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+	MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1)
+	    | MCFCSM_CSMR_V;
+#endif
 #else
-	#warning "Chip Select 3 are not initialized/used"
+#warning "Chip Select 3 are not initialized/used"
 #endif
 
-#endif /* CONFIG_MONITOR_IS_IN_RAM */
+#endif				/* CONFIG_MONITOR_IS_IN_RAM */
 
 	/* defer enabling cache until boot (see do_go) */
 	/* icache_enable(); */
@@ -355,10 +359,29 @@ void cpu_init_f (void)
 /*
  * initialize higher level parts of CPU like timers
  */
-int cpu_init_r	(void)
+int cpu_init_r(void)
 {
 	return (0);
 }
+
+void uart_port_conf(void)
+{
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		MCFGPIO_PUAPAR &= 0xFc;
+		MCFGPIO_PUAPAR |= 0x03;
+		break;
+	case 1:
+		MCFGPIO_PUAPAR &= 0xF3;
+		MCFGPIO_PUAPAR |= 0x0C;
+		break;
+	case 2:
+		MCFGPIO_PASPAR &= 0xFF0F;
+		MCFGPIO_PASPAR |= 0x00A0;
+		break;
+	}
+}
 #endif
 
 #if defined(CONFIG_M5249)
@@ -369,7 +392,7 @@ int cpu_init_r	(void)
  * initialize a bunch of registers,
  * initialize the UPM's
  */
-void cpu_init_f (void)
+void cpu_init_f(void)
 {
 #ifndef CFG_PLL_BYPASS
 	/*
@@ -379,23 +402,23 @@ void cpu_init_f (void)
 	volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
 	unsigned long pllcr;
 #ifdef CFG_FAST_CLK
-	pllcr = 0x925a3100;			  /* ~140MHz clock (PLL bypass = 0) */
+	pllcr = 0x925a3100;	/* ~140MHz clock (PLL bypass = 0) */
 #else
-	pllcr = 0x135a4140;			  /* ~72MHz clock (PLL bypass = 0) */
+	pllcr = 0x135a4140;	/* ~72MHz clock (PLL bypass = 0) */
 #endif
-	cpll = cpll & 0xfffffffe;		  /* Set PLL bypass mode = 0 (PSTCLK = crystal) */
-	mbar2_writeLong(MCFSIM_PLLCR, cpll);	  /* Set the PLL to bypass mode (PSTCLK = crystal) */
-	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	  /* set the clock speed */
-	pllcr ^= 0x00000001;			  /* Set pll bypass to 1 */
-	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	  /* Start locking (pll bypass = 1) */
-	udelay(0x20);				  /* Wait for a lock ... */
-#endif /* #ifndef CFG_PLL_BYPASS */
+	cpll = cpll & 0xfffffffe;	/* Set PLL bypass mode = 0 (PSTCLK = crystal) */
+	mbar2_writeLong(MCFSIM_PLLCR, cpll);	/* Set the PLL to bypass mode (PSTCLK = crystal) */
+	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	/* set the clock speed */
+	pllcr ^= 0x00000001;	/* Set pll bypass to 1 */
+	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	/* Start locking (pll bypass = 1) */
+	udelay(0x20);		/* Wait for a lock ... */
+#endif				/* #ifndef CFG_PLL_BYPASS */
 
 	/*
 	 *  NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins
-	 *	  (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
-	 *	  which is their primary function.
-	 *	  ~Jeremy
+	 *        (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
+	 *        which is their primary function.
+	 *        ~Jeremy
 	 */
 	mbar2_writeLong(MCFSIM_GPIO_FUNC, CFG_GPIO_FUNC);
 	mbar2_writeLong(MCFSIM_GPIO1_FUNC, CFG_GPIO1_FUNC);
@@ -411,7 +434,7 @@ void cpu_init_f (void)
 	 *    ~Jeremy
 	 *
 	 */
-	mbar_writeByte(MCFSIM_MPARK, 0x30);    /* 5249 Internal Core takes priority over DMA */
+	mbar_writeByte(MCFSIM_MPARK, 0x30);	/* 5249 Internal Core takes priority over DMA */
 	mbar_writeByte(MCFSIM_SYPCR, 0x00);
 	mbar_writeByte(MCFSIM_SWIVR, 0x0f);
 	mbar_writeByte(MCFSIM_SWSR, 0x00);
@@ -431,7 +454,7 @@ void cpu_init_f (void)
 	mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
 	mbar2_writeByte(MCFSIM_INTBASE, 0x40);	/* Base interrupts at 64 */
 	mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
-	mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);	 /* Enable a 1 cycle pre-drive cycle on CS1 */
+	mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);	/* Enable a 1 cycle pre-drive cycle on CS1 */
 
 	/* Setup interrupt priorities for gpio7 */
 	/* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */
@@ -459,8 +482,19 @@ void cpu_init_f (void)
 /*
  * initialize higher level parts of CPU like timers
  */
-int cpu_init_r	(void)
+int cpu_init_r(void)
 {
 	return (0);
 }
-#endif /* #if defined(CONFIG_M5249) */
+
+void uart_port_conf(void)
+{
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		break;
+	case 1:
+		break;
+	}
+}
+#endif				/* #if defined(CONFIG_M5249) */