Merge with /home/wd/git/u-boot/custodian/u-boot-coldfire

8 files changed, 496 insertions, 1235 deletions

diff --git a/cpu/mcf52x2/Makefile b/cpu/mcf52x2/Makefile
index 70d57cf609..937cdd0584 100644
--- a/cpu/mcf52x2/Makefile
+++ b/cpu/mcf52x2/Makefile
@@ -27,8 +27,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(CPU).a
 
-START	=
-COBJS	= serial.o interrupts.o cpu.o speed.o cpu_init.o fec.o
+START	= start.o
+COBJS	= interrupts.o cpu.o speed.o cpu_init.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index ce59d39cfa..71ea408aa5 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -28,33 +28,15 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <asm/immap.h>
 
 #ifdef  CONFIG_M5271
-#include <asm/immap_5271.h>
-#include <asm/m5271.h>
-#endif
-
-#ifdef	CONFIG_M5272
-#include <asm/immap_5272.h>
-#include <asm/m5272.h>
-#endif
-
-#ifdef	CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#ifdef	CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-#ifdef	CONFIG_M5271
 /*
  * Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to
  * determine which one we are running on, based on the Chip Identification
  * Register (CIR).
  */
-int checkcpu (void)
+int checkcpu(void)
 {
 	char buf[32];
 	unsigned short cir;	/* Chip Identification Register */
@@ -80,156 +62,194 @@ int checkcpu (void)
 
 	if (cpu_model)
 		printf("CPU:   Freescale ColdFire MCF%s rev. %hu, at %s MHz\n",
-			cpu_model, prn, strmhz(buf, CFG_CLK));
+		       cpu_model, prn, strmhz(buf, CFG_CLK));
 	else
 		printf("CPU:   Unknown - Freescale ColdFire MCF5271 family"
-			" (PIN: 0x%x) rev. %hu, at %s MHz\n",
-			pin, prn, strmhz(buf, CFG_CLK));
+		       " (PIN: 0x%x) rev. %hu, at %s MHz\n",
+		       pin, prn, strmhz(buf, CFG_CLK));
 
 	return 0;
 }
 
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
 	mbar_writeByte(MCF_RCM_RCR,
-			MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
+		       MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
 	return 0;
 };
 
 #if defined(CONFIG_WATCHDOG)
-void watchdog_reset (void)
+void watchdog_reset(void)
 {
 	mbar_writeShort(MCF_WTM_WSR, 0x5555);
 	mbar_writeShort(MCF_WTM_WSR, 0xAAAA);
 }
 
-int watchdog_disable (void)
+int watchdog_disable(void)
 {
 	mbar_writeShort(MCF_WTM_WCR, 0);
 	return (0);
 }
 
-int watchdog_init (void)
+int watchdog_init(void)
 {
 	mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN);
 	return (0);
 }
-#endif /* #ifdef CONFIG_WATCHDOG */
+#endif				/* #ifdef CONFIG_WATCHDOG */
 
 #endif
 
 #ifdef	CONFIG_M5272
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
-	volatile wdog_t * wdp = (wdog_t *)(CFG_MBAR + MCFSIM_WRRR);
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+	volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
 
 	wdp->wdog_wrrr = 0;
-	udelay (1000);
+	udelay(1000);
 
 	/* enable watchdog, set timeout to 0 and wait */
 	wdp->wdog_wrrr = 1;
-	while (1);
+	while (1) ;
 
 	/* we don't return! */
 	return 0;
 };
 
-int checkcpu(void) {
-	ulong *dirp = (ulong *)(CFG_MBAR + MCFSIM_DIR);
+int checkcpu(void)
+{
+	volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);
 	uchar msk;
-	char  *suf;
+	char *suf;
 
-	puts ("CPU:   ");
-	msk = (*dirp > 28) & 0xf;
+	puts("CPU:   ");
+	msk = (sysctrl->sc_dir > 28) & 0xf;
 	switch (msk) {
-		case 0x2: suf = "1K75N"; break;
-		case 0x4: suf = "3K75N"; break;
-		default:
-			suf = NULL;
-			printf ("Freescale MCF5272 (Mask:%01x)\n", msk);
-			break;
-		}
+	case 0x2:
+		suf = "1K75N";
+		break;
+	case 0x4:
+		suf = "3K75N";
+		break;
+	default:
+		suf = NULL;
+		printf("Freescale MCF5272 (Mask:%01x)\n", msk);
+		break;
+	}
 
 	if (suf)
-		printf ("Freescale MCF5272 %s\n", suf);
+		printf("Freescale MCF5272 %s\n", suf);
 	return 0;
 };
 
 #if defined(CONFIG_WATCHDOG)
 /* Called by macro WATCHDOG_RESET */
-void watchdog_reset (void)
+void watchdog_reset(void)
 {
-	volatile immap_t * regp = (volatile immap_t *)CFG_MBAR;
-	regp->wdog_reg.wdog_wcr = 0;
+	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+	wdt->wdog_wcr = 0;
 }
 
-int watchdog_disable (void)
+int watchdog_disable(void)
 {
-	volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
+	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
 
-	regp->wdog_reg.wdog_wcr = 0;	/* reset watchdog counter */
-	regp->wdog_reg.wdog_wirr = 0;	/* disable watchdog interrupt */
-	regp->wdog_reg.wdog_wrrr = 0;	/* disable watchdog timer */
+	wdt->wdog_wcr = 0;	/* reset watchdog counter */
+	wdt->wdog_wirr = 0;	/* disable watchdog interrupt */
+	wdt->wdog_wrrr = 0;	/* disable watchdog timer */
 
-	puts ("WATCHDOG:disabled\n");
+	puts("WATCHDOG:disabled\n");
 	return (0);
 }
 
-int watchdog_init (void)
+int watchdog_init(void)
 {
-	volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
+	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
 
-	regp->wdog_reg.wdog_wirr = 0;	/* disable watchdog interrupt */
+	wdt->wdog_wirr = 0;	/* disable watchdog interrupt */
 
 	/* set timeout and enable watchdog */
-	regp->wdog_reg.wdog_wrrr = ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
-	regp->wdog_reg.wdog_wcr = 0;	/* reset watchdog counter */
+	wdt->wdog_wrrr =
+	    ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
+	wdt->wdog_wcr = 0;	/* reset watchdog counter */
 
-	puts ("WATCHDOG:enabled\n");
+	puts("WATCHDOG:enabled\n");
 	return (0);
 }
-#endif /* #ifdef CONFIG_WATCHDOG */
-
-#endif /* #ifdef CONFIG_M5272 */
+#endif				/* #ifdef CONFIG_WATCHDOG */
 
+#endif				/* #ifdef CONFIG_M5272 */
 
 #ifdef	CONFIG_M5282
-int checkcpu (void)
+int checkcpu(void)
 {
 	unsigned char resetsource = MCFRESET_RSR;
 
-	printf ("CPU:   Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
-		MCFCCM_CIR>>8,MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
-	printf ("Reset:%s%s%s%s%s%s%s\n",
-		(resetsource & MCFRESET_RSR_LOL)  ? " Loss of Lock"	: "",
-		(resetsource & MCFRESET_RSR_LOC)  ? " Loss of Clock"	: "",
-		(resetsource & MCFRESET_RSR_EXT)  ? " External"		: "",
-		(resetsource & MCFRESET_RSR_POR)  ? " Power On"		: "",
-		(resetsource & MCFRESET_RSR_WDR)  ? " Watchdog"		: "",
-		(resetsource & MCFRESET_RSR_SOFT) ? " Software"		: "",
-		(resetsource & MCFRESET_RSR_LVD)  ? " Low Voltage"	: ""
-	);
+	printf("CPU:   Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
+	       MCFCCM_CIR >> 8, MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
+	printf("Reset:%s%s%s%s%s%s%s\n",
+	       (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "",
+	       (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "",
+	       (resetsource & MCFRESET_RSR_EXT) ? " External" : "",
+	       (resetsource & MCFRESET_RSR_POR) ? " Power On" : "",
+	       (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "",
+	       (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "",
+	       (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : "");
 	return 0;
 }
 
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
 {
 	MCFRESET_RCR = MCFRESET_RCR_SOFTRST;
 	return 0;
 };
 #endif
 
-#ifdef CONFIG_M5249 /* test-only: todo... */
-int checkcpu (void)
+#ifdef CONFIG_M5249
+int checkcpu(void)
 {
 	char buf[32];
 
-	printf ("CPU:   Freescale Coldfire MCF5249 at %s MHz\n", strmhz(buf, CFG_CLK));
+	printf("CPU:   Freescale Coldfire MCF5249 at %s MHz\n",
+	       strmhz(buf, CFG_CLK));
 	return 0;
 }
 
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
 	/* enable watchdog, set timeout to 0 and wait */
 	mbar_writeByte(MCFSIM_SYPCR, 0xc0);
-	while (1);
+	while (1) ;
+
+	/* we don't return! */
+	return 0;
+};
+#endif
+
+#ifdef CONFIG_M5253
+int checkcpu(void)
+{
+	char buf[32];
+
+	unsigned char resetsource = mbar_readLong(SIM_RSR);
+	printf("CPU:   Freescale Coldfire MCF5253 at %s MHz\n",
+	       strmhz(buf, CFG_CLK));
+
+	if ((resetsource & SIM_RSR_HRST) || (resetsource & SIM_RSR_SWTR)) {
+		printf("Reset:%s%s\n",
+		       (resetsource & SIM_RSR_HRST) ? " Hardware/ System Reset"
+		       : "",
+		       (resetsource & SIM_RSR_SWTR) ? " Software Watchdog" :
+		       "");
+	}
+	return 0;
+}
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+	/* enable watchdog, set timeout to 0 and wait */
+	mbar_writeByte(SIM_SYPCR, 0xc0);
+	while (1) ;
 
 	/* we don't return! */
 	return 0;
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 1748ea9d9b..458b85ef14 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -6,6 +6,10 @@
  * (C) Copyright 2005
  * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
  *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ * Hayden Fraser (Hayden.Fraser@freescale.com)
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -27,28 +31,78 @@
 
 #include <common.h>
 #include <watchdog.h>
+#include <asm/immap.h>
 
-#ifdef	CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
+#if defined(CONFIG_M5253)
+/*
+ * Breath some life into the CPU...
+ *
+ * Set up the memory map,
+ * initialize a bunch of registers,
+ * initialize the UPM's
+ */
+void cpu_init_f(void)
+{
+	mbar_writeByte(MCFSIM_MPARK, 0x40);	/* 5249 Internal Core takes priority over DMA */
+	mbar_writeByte(MCFSIM_SYPCR, 0x00);
+	mbar_writeByte(MCFSIM_SWIVR, 0x0f);
+	mbar_writeByte(MCFSIM_SWSR, 0x00);
+	mbar_writeByte(MCFSIM_SWDICR, 0x00);
+	mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
+	mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
+	mbar_writeByte(MCFSIM_I2CICR, 0x00);
+	mbar_writeByte(MCFSIM_UART1ICR, 0x00);
+	mbar_writeByte(MCFSIM_UART2ICR, 0x00);
+	mbar_writeByte(MCFSIM_ICR6, 0x00);
+	mbar_writeByte(MCFSIM_ICR7, 0x00);
+	mbar_writeByte(MCFSIM_ICR8, 0x00);
+	mbar_writeByte(MCFSIM_ICR9, 0x00);
+	mbar_writeByte(MCFSIM_QSPIICR, 0x00);
 
-#ifdef	CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
+	mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
+	mbar2_writeByte(MCFSIM_INTBASE, 0x40);	/* Base interrupts at 64 */
+	mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
 
-#ifdef	CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
+	/*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */
 
-#ifdef	CONFIG_M5249
-#include <asm/m5249.h>
-#endif
+	/*
+	 *  Setup chip selects...
+	 */
+
+	mbar_writeShort(MCFSIM_CSAR1, CFG_CSAR1);
+	mbar_writeShort(MCFSIM_CSCR1, CFG_CSCR1);
+	mbar_writeLong(MCFSIM_CSMR1, CFG_CSMR1);
+
+	mbar_writeShort(MCFSIM_CSAR0, CFG_CSAR0);
+	mbar_writeShort(MCFSIM_CSCR0, CFG_CSCR0);
+	mbar_writeLong(MCFSIM_CSMR0, CFG_CSMR0);
+
+	/* enable instruction cache now */
+	icache_enable();
+}
+
+/*initialize higher level parts of CPU like timers */
+int cpu_init_r(void)
+{
+	return (0);
+}
+
+void uart_port_conf(void)
+{
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		break;
+	case 1:
+		break;
+	case 2:
+		break;
+	}
+}
+#endif				/* #if defined(CONFIG_M5253) */
 
 #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 +112,35 @@ 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 +151,68 @@ 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 +222,30 @@ 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;
 
-#ifdef	CONFIG_M5282
+	/* 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) */
+
+#if defined(CONFIG_M5282)
 /*
  * Breath some life into the CPU...
  *
@@ -174,7 +253,7 @@ 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 +262,11 @@ 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 +311,28 @@ 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
+#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
-	#waring "Chip Select 0 are not initialized/used"
+	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 +341,27 @@ 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 +370,27 @@ 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 +399,30 @@ 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
-	#warning "Chip Select 3 are not initialized/used"
+#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;
 
-#endif /* CONFIG_MONITOR_IS_IN_RAM */
+#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"
+#endif
+
+#endif				/* CONFIG_MONITOR_IS_IN_RAM */
 
 	/* defer enabling cache until boot (see do_go) */
 	/* icache_enable(); */
@@ -355,10 +431,29 @@ 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)
@@ -369,33 +464,13 @@ 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
-	/*
-	 *  Setup the PLL to run at the specified speed
-	 *
-	 */
-	volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
-	unsigned long pllcr;
-#ifdef CFG_FAST_CLK
-	pllcr = 0x925a3100;			  /* ~140MHz clock (PLL bypass = 0) */
-#else
-	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 */
-
 	/*
 	 *  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 +486,7 @@ 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 +506,7 @@ 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 +534,19 @@ 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) */
diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c
deleted file mode 100644
index ef9c7984ca..0000000000
--- a/cpu/mcf52x2/fec.c
+++ /dev/null
@@ -1,605 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <asm/fec.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
-
-#include <net.h>
-#include <command.h>
-
-#ifdef	CONFIG_M5272
-#define FEC_ADDR		(CFG_MBAR + 0x840)
-#endif
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
-#define FEC_ADDR 		(CFG_MBAR + 0x1000)
-#endif
-
-#undef	ET_DEBUG
-#undef	MII_DEBUG
-
-#if defined(CONFIG_CMD_NET) && defined(FEC_ENET)
-
-#ifdef CFG_DISCOVER_PHY
-#include <miiphy.h>
-static void mii_discover_phy (void);
-#endif
-
-/* Ethernet Transmit and Receive Buffers */
-#define DBUF_LENGTH  1520
-
-#define TX_BUF_CNT 2
-
-#define TOUT_LOOP 100
-
-#define PKT_MAXBUF_SIZE		1518
-#define PKT_MINBUF_SIZE		64
-#define PKT_MAXBLR_SIZE		1520
-
-
-static char txbuf[DBUF_LENGTH];
-
-static uint rxIdx;		/* index of the current RX buffer */
-static uint txIdx;		/* index of the current TX buffer */
-
-/*
-  * FEC Ethernet Tx and Rx buffer descriptors allocated at the
-  *  immr->udata_bd address on Dual-Port RAM
-  * Provide for Double Buffering
-  */
-
-typedef volatile struct CommonBufferDescriptor {
-	cbd_t rxbd[PKTBUFSRX];	/* Rx BD */
-	cbd_t txbd[TX_BUF_CNT];	/* Tx BD */
-} RTXBD;
-
-static RTXBD *rtx = NULL;
-
-int eth_send (volatile void *packet, int length)
-{
-	int j, rc;
-	volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
-	/* section 16.9.23.3
-	 * Wait for ready
-	 */
-	j = 0;
-	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
-	       && (j < TOUT_LOOP)) {
-		udelay (1);
-		j++;
-	}
-	if (j >= TOUT_LOOP) {
-		printf ("TX not ready\n");
-	}
-
-	rtx->txbd[txIdx].cbd_bufaddr = (uint) packet;
-	rtx->txbd[txIdx].cbd_datlen = length;
-	rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST;
-
-	/* Activate transmit Buffer Descriptor polling */
-	fecp->fec_x_des_active = 0x01000000;	/* Descriptor polling active    */
-
-	j = 0;
-	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
-	       && (j < TOUT_LOOP)) {
-		udelay (1);
-		j++;
-	}
-	if (j >= TOUT_LOOP) {
-		printf ("TX timeout\n");
-	}
-#ifdef ET_DEBUG
-	printf ("%s[%d] %s: cycles: %d    status: %x  retry cnt: %d\n",
-		__FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc,
-		(rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2);
-#endif
-
-	/* return only status bits */ ;
-	rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS);
-
-	txIdx = (txIdx + 1) % TX_BUF_CNT;
-
-	return rc;
-}
-
-int eth_rx (void)
-{
-	int length;
-	volatile fec_t *fecp = (fec_t *) FEC_ADDR;
-
-	for (;;) {
-		/* section 16.9.23.2 */
-		if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
-			length = -1;
-			break;	/* nothing received - leave for() loop */
-		}
-
-		length = rtx->rxbd[rxIdx].cbd_datlen;
-
-		if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
-#ifdef ET_DEBUG
-			printf ("%s[%d] err: %x\n",
-				__FUNCTION__, __LINE__,
-				rtx->rxbd[rxIdx].cbd_sc);
-#endif
-		} else {
-			/* Pass the packet up to the protocol layers. */
-			NetReceive (NetRxPackets[rxIdx], length - 4);
-		}
-
-		/* Give the buffer back to the FEC. */
-		rtx->rxbd[rxIdx].cbd_datlen = 0;
-
-		/* wrap around buffer index when necessary */
-		if ((rxIdx + 1) >= PKTBUFSRX) {
-			rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
-				(BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
-			rxIdx = 0;
-		} else {
-			rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
-			rxIdx++;
-		}
-
-		/* Try to fill Buffer Descriptors */
-		fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */
-	}
-
-	return length;
-}
-
-/**************************************************************
- *
- * FEC Ethernet Initialization Routine
- *
- *************************************************************/
-#define FEC_ECNTRL_ETHER_EN	0x00000002
-#define FEC_ECNTRL_RESET	0x00000001
-
-#define FEC_RCNTRL_BC_REJ	0x00000010
-#define FEC_RCNTRL_PROM		0x00000008
-#define FEC_RCNTRL_MII_MODE	0x00000004
-#define FEC_RCNTRL_DRT		0x00000002
-#define FEC_RCNTRL_LOOP		0x00000001
-
-#define FEC_TCNTRL_FDEN		0x00000004
-#define FEC_TCNTRL_HBC		0x00000002
-#define FEC_TCNTRL_GTS		0x00000001
-
-#define	FEC_RESET_DELAY		50000
-
-int eth_init (bd_t * bd)
-{
-#ifndef CFG_ENET_BD_BASE
-	DECLARE_GLOBAL_DATA_PTR;
-#endif
-	int i;
-	volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
-	/* Whack a reset.
-	 * A delay is required between a reset of the FEC block and
-	 * initialization of other FEC registers because the reset takes
-	 * some time to complete. If you don't delay, subsequent writes
-	 * to FEC registers might get killed by the reset routine which is
-	 * still in progress.
-	 */
-	fecp->fec_ecntrl = FEC_ECNTRL_RESET;
-	for (i = 0;
-	     (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
-	     ++i) {
-		udelay (1);
-	}
-	if (i == FEC_RESET_DELAY) {
-		printf ("FEC_RESET_DELAY timeout\n");
-		return 0;
-	}
-
-	/* We use strictly polling mode only
-	 */
-	fecp->fec_imask = 0;
-
-	/* Clear any pending interrupt */
-	fecp->fec_ievent = 0xffffffff;
-
-	/* Set station address   */
-#define ea bd->bi_enetaddr
-	fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) |
-		(ea[2] << 8) | (ea[3]);
-	fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16);
-#ifdef ET_DEBUG
-	printf ("Eth Addrs: %02x:%02x:%02x:%02x:%02x:%02x\n",
-		ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]);
-#endif
-#undef ea
-
-#ifdef CONFIG_M5271
-	/* Clear multicast address hash table
-	 */
-	fecp->fec_ghash_table_high = 0;
-	fecp->fec_ghash_table_low = 0;
-
-	/* Clear individual address hash table
-	 */
-	fecp->fec_ihash_table_high = 0;
-	fecp->fec_ihash_table_low = 0;
-#else
-	/* Clear multicast address hash table
-	 */
-#ifdef	CONFIG_M5282
-	fecp->fec_ihash_table_high = 0;
-	fecp->fec_ihash_table_low = 0;
-#else
-	fecp->fec_hash_table_high = 0;
-	fecp->fec_hash_table_low = 0;
-#endif
-#endif
-
-	/* Set maximum receive buffer size.
-	 */
-	fecp->fec_r_buff_size = PKT_MAXBLR_SIZE;
-
-	/*
-	 * Setup Buffers and Buffer Desriptors
-	 */
-	rxIdx = 0;
-	txIdx = 0;
-
-	if (!rtx) {
-#ifdef CFG_ENET_BD_BASE
-		rtx = (RTXBD *) CFG_ENET_BD_BASE;
-#else
-		rtx = (RTXBD *) (CFG_MONITOR_BASE+gd->reloc_off -
-				 (((PKTBUFSRX+TX_BUF_CNT)*+sizeof(cbd_t)
-				  +0xFF)
-				  & ~0xFF)
-				);
-		debug("set ENET_DB_BASE to %lX\n",(long) rtx);
-#endif
-	}
-
-	/*
-	 * Setup Receiver Buffer Descriptors (13.14.24.18)
-	 * Settings:
-	 *     Empty, Wrap
-	 */
-	for (i = 0; i < PKTBUFSRX; i++) {
-		rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
-		rtx->rxbd[i].cbd_datlen = 0;	/* Reset */
-		rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
-	}
-	rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
-
-	/*
-	 * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
-	 * Settings:
-	 *    Last, Tx CRC
-	 */
-	for (i = 0; i < TX_BUF_CNT; i++) {
-		rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC;
-		rtx->txbd[i].cbd_datlen = 0;	/* Reset */
-		rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
-	}
-	rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
-
-	/* Set receive and transmit descriptor base
-	 */
-	fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]);
-	fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]);
-
-	/* Enable MII mode
-	 */
-
-#if 0	/* Full duplex mode */
-	fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE;
-	fecp->fec_x_cntrl = FEC_TCNTRL_FDEN;
-#else	/* Half duplex mode */
-	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16); /* set max frame length */
-	fecp->fec_r_cntrl |= FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT;
-	fecp->fec_x_cntrl = 0;
-#endif
-	/* Set MII speed */
-	fecp->fec_mii_speed = (((CFG_CLK / 2) / (2500000 / 10)) + 5) / 10;
-	fecp->fec_mii_speed *= 2;
-
-	/* Configure port B for MII.
-	 */
-	/* port initialization was already made in cpu_init_f() */
-
-	/* Now enable the transmit and receive processing
-	 */
-	fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
-#ifdef CFG_DISCOVER_PHY
-	/* wait for the PHY to wake up after reset */
-	mii_discover_phy ();
-#endif
-
-	/* And last, try to fill Rx Buffer Descriptors */
-	fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */
-
-	return 1;
-}
-
-void eth_halt (void)
-{
-	volatile fec_t *fecp = (fec_t *) FEC_ADDR;
-
-	fecp->fec_ecntrl = 0;
-}
-
-
-#if defined(CFG_DISCOVER_PHY) || defined(CONFIG_CMD_MII)
-
-static int phyaddr = -1;	/* didn't find a PHY yet */
-static uint phytype;
-
-/* Make MII read/write commands for the FEC.
-*/
-
-#define mk_mii_read(ADDR, REG)	(0x60020000 | ((ADDR << 23) | \
-						(REG & 0x1f) << 18))
-
-#define mk_mii_write(ADDR, REG, VAL)	(0x50020000 | ((ADDR << 23) | \
-						(REG & 0x1f) << 18) | \
-						(VAL & 0xffff))
-
-/* Interrupt events/masks.
-*/
-#define FEC_ENET_HBERR	((uint)0x80000000)	/* Heartbeat error */
-#define FEC_ENET_BABR	((uint)0x40000000)	/* Babbling receiver */
-#define FEC_ENET_BABT	((uint)0x20000000)	/* Babbling transmitter */
-#define FEC_ENET_GRA	((uint)0x10000000)	/* Graceful stop complete */
-#define FEC_ENET_TXF	((uint)0x08000000)	/* Full frame transmitted */
-#define FEC_ENET_TXB	((uint)0x04000000)	/* A buffer was transmitted */
-#define FEC_ENET_RXF	((uint)0x02000000)	/* Full frame received */
-#define FEC_ENET_RXB	((uint)0x01000000)	/* A buffer was received */
-#define FEC_ENET_MII	((uint)0x00800000)	/* MII interrupt */
-#define FEC_ENET_EBERR	((uint)0x00400000)	/* SDMA bus error */
-
-/* PHY identification
- */
-#define PHY_ID_LXT970		0x78100000	/* LXT970 */
-#define PHY_ID_LXT971		0x001378e0	/* LXT971 and 972 */
-#define PHY_ID_82555		0x02a80150	/* Intel 82555 */
-#define PHY_ID_QS6612		0x01814400	/* QS6612 */
-#define PHY_ID_AMD79C784	0x00225610	/* AMD 79C784 */
-#define PHY_ID_LSI80225		0x0016f870	/* LSI 80225 */
-#define PHY_ID_LSI80225B	0x0016f880	/* LSI 80225/B */
-
-/* send command to phy using mii, wait for result */
-static uint mii_send (uint mii_cmd)
-{
-	uint mii_reply;
-	volatile fec_t *ep = (fec_t *) (FEC_ADDR);
-
-	ep->fec_mii_data = mii_cmd;	/* command to phy */
-
-	/* wait for mii complete */
-	while (!(ep->fec_ievent & FEC_ENET_MII));	/* spin until done */
-	mii_reply = ep->fec_mii_data;	/* result from phy */
-	ep->fec_ievent = FEC_ENET_MII;	/* clear MII complete */
-#ifdef ET_DEBUG
-	printf ("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n",
-		__FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply);
-#endif
-	return (mii_reply & 0xffff);	/* data read from phy */
-}
-#endif
-
-#if defined(CFG_DISCOVER_PHY)
-static void mii_discover_phy (void)
-{
-#define MAX_PHY_PASSES 11
-	uint phyno;
-	int pass;
-
-	phyaddr = -1;		/* didn't find a PHY yet */
-	for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) {
-		if (pass > 1) {
-			/* PHY may need more time to recover from reset.
-			 * The LXT970 needs 50ms typical, no maximum is
-			 * specified, so wait 10ms before try again.
-			 * With 11 passes this gives it 100ms to wake up.
-			 */
-			udelay (10000);	/* wait 10ms */
-		}
-		for (phyno = 1; phyno < 32 && phyaddr < 0; ++phyno) {
-			phytype = mii_send (mk_mii_read (phyno, PHY_PHYIDR1));
-#ifdef ET_DEBUG
-			printf ("PHY type 0x%x pass %d type ", phytype, pass);
-#endif
-			if (phytype != 0xffff) {
-				phyaddr = phyno;
-				phytype <<= 16;
-				phytype |= mii_send (mk_mii_read (phyno,
-								  PHY_PHYIDR2));
-
-#ifdef ET_DEBUG
-				printf ("PHY @ 0x%x pass %d type ", phyno,
-					pass);
-				switch (phytype & 0xfffffff0) {
-				case PHY_ID_LXT970:
-					printf ("LXT970\n");
-					break;
-				case PHY_ID_LXT971:
-					printf ("LXT971\n");
-					break;
-				case PHY_ID_82555:
-					printf ("82555\n");
-					break;
-				case PHY_ID_QS6612:
-					printf ("QS6612\n");
-					break;
-				case PHY_ID_AMD79C784:
-					printf ("AMD79C784\n");
-					break;
-				case PHY_ID_LSI80225B:
-					printf ("LSI L80225/B\n");
-					break;
-				default:
-					printf ("0x%08x\n", phytype);
-					break;
-				}
-#endif
-			}
-		}
-	}
-	if (phyaddr < 0) {
-		printf ("No PHY device found.\n");
-	}
-}
-#endif /* CFG_DISCOVER_PHY */
-
-#if defined(CONFIG_CMD_MII) && !defined(CONFIG_BITBANGMII)
-
-static int mii_init_done = 0;
-
-/****************************************************************************
- * mii_init -- Initialize the MII for MII command without ethernet
- * This function is a subset of eth_init
- ****************************************************************************
- */
-void mii_init (void)
-{
-	volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
-	int i;
-
-	if (mii_init_done != 0) {
-		return;
-	}
-
-	/* Whack a reset.
-	 * A delay is required between a reset of the FEC block and
-	 * initialization of other FEC registers because the reset takes
-	 * some time to complete. If you don't delay, subsequent writes
-	 * to FEC registers might get killed by the reset routine which is
-	 * still in progress.
-	 */
-
-	fecp->fec_ecntrl = FEC_ECNTRL_RESET;
-	for (i = 0;
-	     (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
-	     ++i) {
-		udelay (1);
-	}
-	if (i == FEC_RESET_DELAY) {
-		printf ("FEC_RESET_DELAY timeout\n");
-		return;
-	}
-
-	/* We use strictly polling mode only
-	 */
-	fecp->fec_imask = 0;
-
-	/* Clear any pending interrupt
-	 */
-	fecp->fec_ievent = 0xffffffff;
-
-	/* Set MII speed */
-	fecp->fec_mii_speed = 0x0e;
-
-	/* Configure port B for MII.
-	 */
-	/* port initialization was already made in cpu_init_f() */
-
-	/* Now enable the transmit and receive processing */
-	fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
-	mii_init_done = 1;
-}
-
-/*****************************************************************************
- * Read and write a MII PHY register, routines used by MII Utilities
- *
- * FIXME: These routines are expected to return 0 on success, but mii_send
- *	  does _not_ return an error code. Maybe 0xFFFF means error, i.e.
- *	  no PHY connected...
- *	  For now always return 0.
- * FIXME: These routines only work after calling eth_init() at least once!
- *	  Otherwise they hang in mii_send() !!! Sorry!
- *****************************************************************************/
-
-int mcf52x2_miiphy_read (char *devname, unsigned char addr,
-		unsigned char reg, unsigned short *value)
-{
-	short rdreg;		/* register working value */
-
-#ifdef MII_DEBUG
-	printf ("miiphy_read(0x%x) @ 0x%x = ", reg, addr);
-#endif
-	rdreg = mii_send (mk_mii_read (addr, reg));
-
-	*value = rdreg;
-
-#ifdef MII_DEBUG
-	printf ("0x%04x\n", *value);
-#endif
-
-	return 0;
-}
-
-int mcf52x2_miiphy_write (char *devname, unsigned char addr,
-		unsigned char reg, unsigned short value)
-{
-	short rdreg;		/* register working value */
-
-#ifdef MII_DEBUG
-	printf ("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
-#endif
-
-	rdreg = mii_send (mk_mii_write (addr, reg, value));
-
-#ifdef MII_DEBUG
-	printf ("0x%04x\n", value);
-#endif
-
-	return 0;
-}
-#endif
-#endif
-
-int mcf52x2_miiphy_initialize(bd_t *bis)
-{
-#if defined(CONFIG_CMD_NET) && defined(FEC_ENET)
-#if defined(CONFIG_CMD_MII) && !defined(CONFIG_BITBANGMII)
-	miiphy_register("mcf52x2phy", mcf52x2_miiphy_read, mcf52x2_miiphy_write);
-#endif
-#endif
-	return 0;
-}
diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c
index 116747ad3a..2ccbde587e 100644
--- a/cpu/mcf52x2/interrupts.c
+++ b/cpu/mcf52x2/interrupts.c
@@ -1,9 +1,10 @@
 /*
- * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
- *
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -26,168 +27,75 @@
 #include <common.h>
 #include <watchdog.h>
 #include <asm/processor.h>
-
-#ifdef	CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
+#include <asm/immap.h>
 
 #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
-
-
-#define	NR_IRQS		31
-
-/*
- * Interrupt vector functions.
- */
-struct interrupt_action {
-	interrupt_handler_t *handler;
-	void *arg;
-};
-
-static struct interrupt_action irq_vecs[NR_IRQS];
-
-static __inline__ unsigned short get_sr (void)
+int interrupt_init(void)
 {
-	unsigned short sr;
-
-	asm volatile ("move.w %%sr,%0":"=r" (sr):);
+	volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
 
-	return sr;
-}
-
-static __inline__ void set_sr (unsigned short sr)
-{
-	asm volatile ("move.w %0,%%sr"::"r" (sr));
-}
-
-/************************************************************************/
-/*
- * Install and free an interrupt handler
- */
-void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
-{
-#ifdef	CONFIG_M5272
-	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
-	int vec_base = 0;
-
-#ifdef	CONFIG_M5272
-	vec_base = intp->int_pivr & 0xe0;
-#endif
-
-	if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) {
-		printf ("irq_install_handler: wrong interrupt vector %d\n",
-			vec);
-		return;
-	}
-
-	irq_vecs[vec - vec_base].handler = handler;
-	irq_vecs[vec - vec_base].arg = arg;
-}
-
-void irq_free_handler (int vec)
-{
-#ifdef	CONFIG_M5272
-	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
-	int vec_base = 0;
-
-#ifdef	CONFIG_M5272
-	vec_base = intp->int_pivr & 0xe0;
-#endif
+	/* disable all external interrupts */
+	intp->int_icr1 = 0x88888888;
+	intp->int_icr2 = 0x88888888;
+	intp->int_icr3 = 0x88888888;
+	intp->int_icr4 = 0x88888888;
+	intp->int_pitr = 0x00000000;
+	/* initialize vector register */
+	intp->int_pivr = 0x40;
 
-	if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) {
-		return;
-	}
+	enable_interrupts();
 
-	irq_vecs[vec - vec_base].handler = NULL;
-	irq_vecs[vec - vec_base].arg = NULL;
+	return 0;
 }
 
-void enable_interrupts (void)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
 {
-	unsigned short sr;
+	volatile intctrl_t *intp = (intctrl_t *) (CFG_INTR_BASE);
 
-	sr = get_sr ();
-	set_sr (sr & ~0x0700);
+	intp->int_icr1 &= ~INT_ICR1_TMR3MASK;
+	intp->int_icr1 |= CFG_TMRINTR_PRI;
 }
+#endif				/* CONFIG_MCFTMR */
+#endif				/* CONFIG_M5272 */
 
-int disable_interrupts (void)
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
+int interrupt_init(void)
 {
-	unsigned short sr;
+	volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
 
-	sr = get_sr ();
-	set_sr (sr | 0x0700);
+	/* Make sure all interrupts are disabled */
+	intp->imrl0 |= 0x1;
 
-	return ((sr & 0x0700) == 0);	/* return TRUE, if interrupts were enabled before */
+	enable_interrupts();
+	return 0;
 }
 
-void int_handler (struct pt_regs *fp)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
 {
-#ifdef	CONFIG_M5272
-	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
-	int vec, vec_base = 0;
-
-	vec = (fp->vector >> 2) & 0xff;
-#ifdef	CONFIG_M5272
-	vec_base = intp->int_pivr & 0xe0;
-#endif
+	volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
 
-	if (irq_vecs[vec - vec_base].handler != NULL) {
-		irq_vecs[vec -
-			 vec_base].handler (irq_vecs[vec - vec_base].arg);
-	} else {
-		printf ("\nBogus External Interrupt Vector %d\n", vec);
-	}
+	intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
+	intp->imrl0 &= ~0xFFFFFFFE;
+	intp->imrl0 &= ~CFG_TMRINTR_MASK;
 }
+#endif				/* CONFIG_MCFTMR */
+#endif				/* CONFIG_M5282 | CONFIG_M5271 */
 
-
-#ifdef	CONFIG_M5272
-int interrupt_init (void)
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+int interrupt_init(void)
 {
-	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-
-	/* disable all external interrupts */
-	intp->int_icr1 = 0x88888888;
-	intp->int_icr2 = 0x88888888;
-	intp->int_icr3 = 0x88888888;
-	intp->int_icr4 = 0x88888888;
-	intp->int_pitr = 0x00000000;
-	/* initialize vector register */
-	intp->int_pivr = 0x40;
+	enable_interrupts();
 
-	enable_interrupts ();
-
-	return 0;
-}
-#endif
-
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
-int interrupt_init (void)
-{
 	return 0;
 }
-#endif
 
-#ifdef	CONFIG_M5249
-int interrupt_init (void)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
 {
-	enable_interrupts ();
-
-	return 0;
+	mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
+	mbar_writeByte(MCFSIM_TIMER2ICR, CFG_TMRINTR_PRI);
 }
-#endif
+#endif				/* CONFIG_MCFTMR */
+#endif				/* CONFIG_M5249 || CONFIG_M5253 */
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
deleted file mode 100644
index 8be09e34fe..0000000000
--- a/cpu/mcf52x2/serial.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <watchdog.h>
-
-#include <asm/mcfuart.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_M5249) || defined(CONFIG_M5271)
-#define DoubleClock(a) ((double)(CFG_CLK/2) / 32.0 / (double)(a))
-#else
-#define DoubleClock(a) ((double)(CFG_CLK) / 32.0 / (double)(a))
-#endif
-
-void rs_serial_setbaudrate(int port,int baudrate)
-{
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271)
-	volatile unsigned char	*uartp;
-# ifndef CONFIG_M5271
-	double fraction;
-# endif
-	double clock;
-
-	if (port == 0)
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-	else
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
-
-	clock = DoubleClock(baudrate);	/* Set baud above */
-
-	uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff);	/* set msb baud */
-	uartp[MCFUART_UBG2] = ((int)clock & 0xff);		/* set lsb baud */
-
-# ifndef CONFIG_M5271
-	fraction = ((clock - (int)clock) * 16.0) + 0.5;
-	uartp[MCFUART_UFPD] = ((int)fraction & 0xf);	/* set baud fraction adjust */
-# endif
-#endif
-
-#if  defined(CONFIG_M5282)
-	volatile unsigned char	*uartp;
-	long clock;
-
-	switch (port) {
-	case 1:
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
-		break;
-	case 2:
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
-		break;
-	default:
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-	}
-
-	clock = (long) CFG_CLK / ((long) 32 * baudrate);	/* Set baud above */
-
-	uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff);	/* set msb baud */
-	uartp[MCFUART_UBG2] = ((int) clock & 0xff);		/* set lsb baud */
-
-#endif
-};
-
-void rs_serial_init (int port, int baudrate)
-{
-	volatile unsigned char *uartp;
-
-	/*
-	 *      Reset UART, get it into known state...
-	 */
-	switch (port) {
-	case 1:
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
-		break;
-#if  defined(CONFIG_M5282)
-	case 2:
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
-		break;
-#endif
-	default:
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-	}
-
-	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX;	/* reset TX */
-	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX;	/* reset RX */
-
-	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR;	/* reset MR pointer */
-	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR;	/* reset Error pointer */
-
-	/*
-	 * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity.
-	 */
-	uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8;
-	uartp[MCFUART_UMR] = MCFUART_MR2_STOP1;
-
-	/* Mask UART interrupts */
-	uartp[MCFUART_UIMR] = 0;
-
-	/* Set clock Select Register: Tx/Rx clock is timer */
-	uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
-
-	rs_serial_setbaudrate (port, baudrate);
-
-	/* Enable Tx/Rx */
-	uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
-
-	return;
-}
-
-/****************************************************************************/
-/*
- *	Output a single character, using UART polled mode.
- *	This is used for console output.
- */
-
-void rs_put_char(char ch)
-{
-	volatile unsigned char	*uartp;
-	int			i;
-
-	uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-
-	for (i = 0; (i < 0x10000); i++) {
-		if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY)
-			break;
-	}
-	uartp[MCFUART_UTB] = ch;
-	return;
-}
-
-int rs_is_char(void)
-{
-	volatile unsigned char	*uartp;
-
-	uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-	return((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0);
-}
-
-int rs_get_char(void)
-{
-	volatile unsigned char	*uartp;
-
-	uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-	return(uartp[MCFUART_URB]);
-}
-
-void serial_setbrg(void) {
-	rs_serial_setbaudrate(0,gd->bd->bi_baudrate);
-}
-
-int serial_init(void) {
-	rs_serial_init(0,gd->baudrate);
-	return 0;
-}
-
-
-void serial_putc(const char c) {
-	if (c == '\n')
-		serial_putc ('\r');
-	rs_put_char(c);
-}
-
-void serial_puts (const char *s) {
-	while (*s)
-		serial_putc(*s++);
-}
-
-int serial_getc(void) {
-	while(!rs_is_char())
-		WATCHDOG_RESET();
-
-	return rs_get_char();
-}
-
-int serial_tstc() {
-	return rs_is_char();
-}
diff --git a/cpu/mcf52x2/speed.c b/cpu/mcf52x2/speed.c
index ac860b2c67..bc1e20023b 100644
--- a/cpu/mcf52x2/speed.c
+++ b/cpu/mcf52x2/speed.c
@@ -2,6 +2,9 @@
  * (C) Copyright 2003
  * Josef Baumgartner <josef.baumgartner@telex.de>
  *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Hayden Fraser (Hayden.Fraser@freescale.com)
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -23,6 +26,7 @@
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/immap.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -31,8 +35,37 @@ DECLARE_GLOBAL_DATA_PTR;
  */
 int get_clocks (void)
 {
-	gd->cpu_clk = CFG_CLK;
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+	volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
+	unsigned long pllcr;
+
+#ifndef CFG_PLL_BYPASS
+
 #ifdef CONFIG_M5249
+	/* Setup the PLL to run at the specified speed */
+#ifdef CFG_FAST_CLK
+	pllcr = 0x925a3100;	/* ~140MHz clock (PLL bypass = 0) */
+#else
+	pllcr = 0x135a4140;	/* ~72MHz clock (PLL bypass = 0) */
+#endif
+#endif				/* CONFIG_M5249 */
+
+#ifdef CONFIG_M5253
+	pllcr = CFG_PLLCR;
+#endif				/* CONFIG_M5253 */
+
+	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 */
+
+#endif				/* CONFIG_M5249 || CONFIG_M5253 */
+
+	gd->cpu_clk = CFG_CLK;
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
 	gd->bus_clk = gd->cpu_clk / 2;
 #else
 	gd->bus_clk = gd->cpu_clk;
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index 7c9a7d2d2b..686e2a5333 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -121,7 +121,7 @@ _start:
 	nop
 	move.w #0x2700,%sr
 
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249)
+#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253)
 	move.l	#(CFG_MBAR + 1), %d0		/* set MBAR address + valid flag */
 	move.c	%d0, %MBAR
 
@@ -133,7 +133,7 @@ _start:
 
 	move.l	#(CFG_INIT_RAM_ADDR + 1), %d0
 	movec	%d0, %RAMBAR0
-#endif /* #if defined(CONFIG_M5272) || defined(CONFIG_M5249) */
+#endif /* CONFIG_M5272 || CONFIG_M5249 || CONFIG_M5253 */
 
 #if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 	/* Initialize IPSBAR */
@@ -159,7 +159,7 @@ _copy_flash:
 
 _flashbar_setup:
 	/* Initialize FLASHBAR: locate internal Flash and validate it */
-	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0
+	move.l	#(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0
 	movec	%d0, %RAMBAR0
 	jmp _after_flashbar_copy.L	/* Force jump to absolute address */
 _flashbar_setup_end:
@@ -167,7 +167,7 @@ _flashbar_setup_end:
 _after_flashbar_copy:
 #else
 	/* Setup code to initialize FLASHBAR, if start from external Memory */
-	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0
+	move.l	#(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0
 	movec	%d0, %RAMBAR0
 #endif /* (TEXT_BASE == CFG_INT_FLASH_BASE) */
 
@@ -326,10 +326,10 @@ clear_bss:
 	/* set parameters for board_init_r */
 	move.l %a0,-(%sp)		/* dest_addr */
 	move.l %d0,-(%sp)		/* gd */
-	#if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \
-	    defined(CFG_HALT_BEFOR_RAM_JUMP)
- 		halt
-	#endif
+#if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \
+    defined(CFG_HALT_BEFOR_RAM_JUMP)
+	halt
+#endif
 	jsr	(%a1)
 
 /*------------------------------------------------------------------------------*/
@@ -356,6 +356,24 @@ _int_handler:
 
 /*------------------------------------------------------------------------------*/
 /* cache functions */
+#ifdef	CONFIG_M5271
+	.globl	icache_enable
+icache_enable:
+	move.l	#0x01000000, %d0		/* Invalidate cache cmd */
+	movec	%d0, %CACR			/* Invalidate cache */
+	move.l	#(CFG_SDRAM_BASE + 0xc000), %d0	/* Setup cache mask */
+	movec	%d0, %ACR0			/* Enable cache */
+
+	move.l	#0x80000200, %d0		/* Setup cache mask */
+	movec	%d0, %CACR			/* Enable cache */
+	nop
+
+	move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+	moveq	#1, %d0
+	move.l	%d0, (%a1)
+	rts
+#endif
+
 #ifdef	CONFIG_M5272
 	.globl	icache_enable
 icache_enable:
@@ -389,7 +407,7 @@ icache_state_access_1:
 	rts
 #endif
 
-#ifdef CONFIG_M5249
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
 	.globl	icache_enable
 icache_enable:
 	/*
@@ -426,13 +444,29 @@ icache_state_access_2:
 	.globl	icache_status
 icache_status:
 icache_state_access_3:
-	move.l	icache_state, %d0
+	move.l	#(icache_state), %a0
+	move.l	(%a0), %d0
 	rts
 
 	.data
 icache_state:
 	.long	0	/* cache is diabled on inirialization */
 
+	.globl	dcache_enable
+dcache_enable:
+	/* dummy function */
+	rts
+
+	.globl	dcache_disable
+dcache_disable:
+	/* dummy function */
+	rts
+
+	.globl	dcache_status
+dcache_status:
+	/* dummy function */
+	rts
+
 /*------------------------------------------------------------------------------*/
 
 	.globl	version_string