Merge branch 'wd'

author: Jon Loeliger <jdl@freescale.com> 2006-08-09 13:36:54 -0500
committer: Jon Loeliger <jdl@freescale.com> 2006-08-09 13:36:54 -0500
commit: 281f69ede28cd3d8be5d62a96b5a0b73e6065858 (patch)
tree: 8f1a0f42ce7d9c66d0ff2ecf93c9b069cbc68cc0 /cpu
parent: 870cbeaa45ccdbd6566882741da9f82433bd4a86 (diff)
parent: 6587f7e1e98bfcb7910a47bae2eb51e9a5fbd4da (diff)
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32 files changed, 1255 insertions, 193 deletions
diff --git a/cpu/74xx_7xx/cpu.c b/cpu/74xx_7xx/cpu.c
index 706c880..ca45e17 100644
--- a/cpu/74xx_7xx/cpu.c
+++ b/cpu/74xx_7xx/cpu.c
@@ -215,7 +215,8 @@ soft_restart(unsigned long addr)
 
 #if !defined(CONFIG_PCIPPC2) && \
     !defined(CONFIG_BAB7xx)  && \
-    !defined(CONFIG_ELPPC)
+    !defined(CONFIG_ELPPC)   && \
+    !defined(CONFIG_PPMC7XX)
 /* no generic way to do board reset. simply call soft_reset. */
 void
 do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
diff --git a/cpu/74xx_7xx/start.S b/cpu/74xx_7xx/start.S
index ff1cce5..1fc0fe6 100644
--- a/cpu/74xx_7xx/start.S
+++ b/cpu/74xx_7xx/start.S
@@ -756,7 +756,8 @@ in_ram:
 #if defined(CONFIG_AMIGAONEG3SE) || \
     defined(CONFIG_DB64360)	 || \
     defined(CONFIG_DB64460)      || \
-    defined(CONFIG_CPCI750)
+    defined(CONFIG_CPCI750)	|| \
+    defined(CONFIG_PPMC7XX)
 	mr	r4, r9		/* Use RAM copy of the global data */
 #endif
 	bl	after_reloc
diff --git a/cpu/arm920t/s3c24x0/i2c.c b/cpu/arm920t/s3c24x0/i2c.c
index ef56cd1..374b683 100644
--- a/cpu/arm920t/s3c24x0/i2c.c
+++ b/cpu/arm920t/s3c24x0/i2c.c
@@ -153,7 +153,7 @@ void i2c_init (int speed, int slaveadd)
 #endif
 #ifdef CONFIG_S3C2400
 		/* set I2CSDA and I2CSCL (PG5, PG6) to GPIO */
-		gpio->PGCON = (gpio->PGCON & ~0x00003c00) | 0x00000c00;
+		gpio->PGCON = (gpio->PGCON & ~0x00003c00) | 0x00001000;
 #endif
 
 		/* toggle I2CSCL until bus idle */
diff --git a/cpu/arm920t/s3c24x0/interrupts.c b/cpu/arm920t/s3c24x0/interrupts.c
index 3ec9b54..1b36412 100644
--- a/cpu/arm920t/s3c24x0/interrupts.c
+++ b/cpu/arm920t/s3c24x0/interrupts.c
@@ -176,7 +176,9 @@ ulong get_tbclk (void)
 
 #if defined(CONFIG_SMDK2400) || defined(CONFIG_TRAB)
 	tbclk = timer_load_val * 100;
-#elif defined(CONFIG_SMDK2410) || defined(CONFIG_VCMA9)
+#elif defined(CONFIG_SBC2410X) || \
+      defined(CONFIG_SMDK2410) || \
+      defined(CONFIG_VCMA9)
 	tbclk = CFG_HZ;
 #else
 #	error "tbclk not configured"
diff --git a/cpu/ixp/npe/include/IxEthDB.h b/cpu/ixp/npe/include/IxEthDB.h
index 43ee802..1189c9a 100644
--- a/cpu/ixp/npe/include/IxEthDB.h
+++ b/cpu/ixp/npe/include/IxEthDB.h
@@ -799,10 +799,10 @@ IxEthDBStatus ixEthDBFilteringDatabaseShowRecords(IxEthDBPortId portID, IxEthDBR
  * @verbatim
     IxEthDBPortMap portMap;
     
-    /* clear all ports from port map */
+    // clear all ports from port map
     memset(portMap, 0, sizeof (portMap)); 
     
-    /* include portID in port map  */
+    // include portID in port map 
     portMap[portID / 8] = 1 << (portID % 8);
    @endverbatim
  *
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index e6e5d9b..aa6b2bd 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -2,6 +2,10 @@
  * (C) Copyright 2003
  * Josef Baumgartner <josef.baumgartner@telex.de>
  *
+ * MCF5282 additionals
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -36,7 +40,8 @@
 #endif
 
 #ifdef	CONFIG_M5282
-
+#include <asm/m5282.h>
+#include <asm/immap_5282.h>
 #endif
 
 #ifdef	CONFIG_M5249
@@ -116,7 +121,6 @@ int checkcpu(void) {
 	return 0;
 };
 
-
 #if defined(CONFIG_WATCHDOG)
 /* Called by macro WATCHDOG_RESET */
 void watchdog_reset (void)
@@ -158,11 +162,25 @@ int watchdog_init (void)
 #ifdef	CONFIG_M5282
 int checkcpu (void)
 {
-	puts ("CPU:   Freescale Coldfire MCF5282\n");
+	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"	: ""
+	);
 	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
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 451e3f3..1748ea9 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -2,6 +2,10 @@
  * (C) Copyright 2003
  * Josef Baumgartner <josef.baumgartner@telex.de>
  *
+ * MCF5282 additionals
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -172,7 +176,180 @@ int cpu_init_r	(void)
  */
 void cpu_init_f (void)
 {
+#ifndef CONFIG_WATCHDOG
+	/* disable watchdog if we aren't using it */
+	MCFWTM_WCR = 0;
+#endif
+
+#ifndef CONFIG_MONITOR_IS_IN_RAM
+	/* Set speed /PLL */
+	MCFCLOCK_SYNCR =  MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+
+	/* Set up the GPIO ports */
+#ifdef CFG_PEPAR
+	MCFGPIO_PEPAR = CFG_PEPAR;
+#endif
+#ifdef	CFG_PFPAR
+	MCFGPIO_PFPAR = CFG_PFPAR;
+#endif
+#ifdef CFG_PJPAR
+	MCFGPIO_PJPAR = CFG_PJPAR;
+#endif
+#ifdef CFG_PSDPAR
+	MCFGPIO_PSDPAR = CFG_PSDPAR;
+#endif
+#ifdef CFG_PASPAR
+	MCFGPIO_PASPAR = CFG_PASPAR;
+#endif
+#ifdef CFG_PEHLPAR
+	MCFGPIO_PEHLPAR = CFG_PEHLPAR;
+#endif
+#ifdef CFG_PQSPAR
+	MCFGPIO_PQSPAR = CFG_PQSPAR;
+#endif
+#ifdef CFG_PTCPAR
+	MCFGPIO_PTCPAR = CFG_PTCPAR;
+#endif
+#ifdef CFG_PTDPAR
+	MCFGPIO_PTDPAR = CFG_PTDPAR;
+#endif
+#ifdef CFG_PUAPAR
+	MCFGPIO_PUAPAR = CFG_PUAPAR;
+#endif
+
+#ifdef CFG_DDRUA
+	MCFGPIO_DDRUA = CFG_DDRUA;
+#endif
+
+	/* This is probably a bad place to setup chip selects, but everyone
+	   else is doing it! */
+
+#if defined(CFG_CS0_BASE) & defined(CFG_CS0_SIZE) & \
+    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
+#else
+	#waring "Chip Select 0 are not initialized/used"
+#endif
+
+#if defined(CFG_CS1_BASE) & defined(CFG_CS1_SIZE) & \
+    defined(CFG_CS1_WIDTH) & defined(CFG_CS1_RO) & \
+	defined(CFG_CS1_WS)
+
+	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
+#else
+	#warning "Chip Select 1 are not initialized/used"
+#endif
+
+#if defined(CFG_CS2_BASE) & defined(CFG_CS2_SIZE) & \
+    defined(CFG_CS2_WIDTH) & defined(CFG_CS2_RO) & \
+	defined(CFG_CS2_WS)
+
+	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
+#else
+	#warning "Chip Select 2 are not initialized/used"
+#endif
+
+#if defined(CFG_CS3_BASE) & defined(CFG_CS3_SIZE) & \
+    defined(CFG_CS3_WIDTH) & defined(CFG_CS3_RO) & \
+	defined(CFG_CS3_WS)
+
+	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
+#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(); */
 }
 
 /*
diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c
index f207dd6..6db6214 100644
--- a/cpu/mcf52x2/fec.c
+++ b/cpu/mcf52x2/fec.c
@@ -205,7 +205,9 @@ int eth_rx (void)
 
 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);
 
@@ -258,6 +260,10 @@ int eth_init (bd_t * bd)
 #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
@@ -273,7 +279,16 @@ int eth_init (bd_t * bd)
 	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
 	}
 
 	/*
@@ -307,18 +322,18 @@ int eth_init (bd_t * bd)
 
 	/* Enable MII mode
 	 */
-#if 0				/* Full duplex 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 = FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT;
-#ifdef	CONFIG_M5271
-	fecp->fec_r_cntrl |= (PKT_MAXBUF_SIZE << 16); /* set max frame length */
-#endif
+#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 = 0x0e;
+	fecp->fec_mii_speed = (((CFG_CLK / 2) / (2500000 / 10)) + 5) / 10;
+	fecp->fec_mii_speed *= 2;
 
 	/* Configure port B for MII.
 	 */
@@ -422,7 +437,7 @@ static void mii_discover_phy (void)
 			 */
 			udelay (10000);	/* wait 10ms */
 		}
-		for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) {
+		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);
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
index 1011788..8be09e3 100644
--- a/cpu/mcf52x2/serial.c
+++ b/cpu/mcf52x2/serial.c
@@ -55,45 +55,75 @@ 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
+# ifndef CONFIG_M5271
 	double fraction;
-#endif
+# endif
 	double clock;
 
 	if (port == 0)
-	  uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
+		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
 	else
-	  uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
+		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
 
-	clock = DoubleClock(baudrate);      /* Set baud above */
+	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 */
+	uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff);	/* set msb baud */
+	uartp[MCFUART_UBG2] = ((int)clock & 0xff);		/* set lsb baud */
 
-#ifndef CONFIG_M5271
+# ifndef CONFIG_M5271
 	fraction = ((clock - (int)clock) * 16.0) + 0.5;
-	uartp[MCFUART_UFPD] = ((int)fraction & 0xf);  /* set baud fraction adjust */
+	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)
+void rs_serial_init (int port, int baudrate)
 {
-	volatile unsigned char	*uartp;
+	volatile unsigned char *uartp;
 
 	/*
-	 *	Reset UART, get it into known state...
+	 *      Reset UART, get it into known state...
 	 */
-	if (port == 0)
-		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-	else
+	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_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 */
+	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.
@@ -107,7 +137,7 @@ void rs_serial_init(int port,int baudrate)
 	/* Set clock Select Register: Tx/Rx clock is timer */
 	uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
 
-	rs_serial_setbaudrate(port,baudrate);
+	rs_serial_setbaudrate (port, baudrate);
 
 	/* Enable Tx/Rx */
 	uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
@@ -169,9 +199,8 @@ void serial_putc(const char c) {
 }
 
 void serial_puts (const char *s) {
-	while (*s) {
+	while (*s)
 		serial_putc(*s++);
-	}
 }
 
 int serial_getc(void) {
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index 3ab812b..8a83ca5 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -55,11 +55,15 @@
  */
 _vectors:
 
-#ifndef	CONFIG_R5200
-.long	0x00000000, _START
+.long	0x00000000		/* Flash offset is 0 until we setup CS0 */
+#if defined(CONFIG_R5200)
+.long	0x400
+#elif defined(CONFIG_M5282)
+.long	_start - TEXT_BASE
 #else
-.long	0x00000000, 0x400	/* Flash offset is 0 until we setup CS0 */
+.long	_START
 #endif
+
 .long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
 .long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
 .long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
@@ -100,20 +104,23 @@ _vectors:
 
 	.text
 
+
+#if defined(CFG_INT_FLASH_BASE) && \
+    (defined(CONFIG_M5282) || defined(CONFIG_M5281))
+	#if (TEXT_BASE == CFG_INT_FLASH_BASE)
+		.long	0x55AA55AA,0xAA55AA55 /* CFM Backdoorkey */
+		.long	0xFFFFFFFF /* all sectors protected */
+		.long	0x00000000 /* supervisor/User restriction */
+		.long	0x00000000 /* programm/data space restriction */
+		.long	0x00000000 /* Flash security */
+	#endif
+#endif
 	.globl	_start
 _start:
 	nop
 	nop
 	move.w #0x2700,%sr
 
-	/* if we come from a pre-loader we have no exception table and
-	 * therefore no VBR to set
-	 */
-#if !defined(CONFIG_MONITOR_IS_IN_RAM)
-	move.l	#CFG_FLASH_BASE, %d0
-	movec	%d0, %VBR
-#endif
-
 #if defined(CONFIG_M5272) || defined(CONFIG_M5249)
 	move.l	#(CFG_MBAR + 1), %d0		/* set MBAR address + valid flag */
 	move.c	%d0, %MBAR
@@ -128,20 +135,48 @@ _start:
 	movec	%d0, %RAMBAR0
 #endif /* #if defined(CONFIG_M5272) || defined(CONFIG_M5249) */
 
-#if	defined(CONFIG_M5282) || defined(CONFIG_M5271)
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 	/* Initialize IPSBAR */
 	move.l	#(CFG_MBAR + 1), %d0		/* set IPSBAR address + valid flag */
 	move.l	%d0, 0x40000000
 
-#ifdef	CONFIG_M5282
+	/* Initialize RAMBAR1: locate SRAM and validate it */
+	move.l	#(CFG_INIT_RAM_ADDR + 0x21), %d0
+	movec	%d0, %RAMBAR1
+
+#if (TEXT_BASE == CFG_INT_FLASH_BASE)
+	/* Setup code in SRAM to initialize FLASHBAR, if start from internal Flash */
+
+	move.l #(_flashbar_setup-CFG_INT_FLASH_BASE), %a0
+	move.l #(_flashbar_setup_end-CFG_INT_FLASH_BASE), %a1
+	move.l #(CFG_INIT_RAM_ADDR), %a2
+_copy_flash:
+	move.l (%a0)+, (%a2)+
+	cmp.l %a0, %a1
+	bgt.s _copy_flash
+	jmp CFG_INIT_RAM_ADDR
+
+_flashbar_setup:
 	/* Initialize FLASHBAR: locate internal Flash and validate it */
 	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0
 	movec	%d0, %RAMBAR0
-#endif
+	jmp _after_flashbar_copy.L	/* Force jump to absolute address */
+_flashbar_setup_end:
+	nop
+_after_flashbar_copy:
+#else
+	/* Setup code to initialize FLASHBAR, if start from external Memory */
+	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0
+	movec	%d0, %RAMBAR0
+#endif /* (TEXT_BASE == CFG_INT_FLASH_BASE) */
 
-	/* Initialize RAMBAR1: locate SRAM and validate it */
-	move.l	#(CFG_INIT_RAM_ADDR + 0x21), %d0
-	movec	%d0, %RAMBAR1
+#endif
+	/* if we come from a pre-loader we have no exception table and
+	 * therefore no VBR to set
+	 */
+#if !defined(CONFIG_MONITOR_IS_IN_RAM)
+	move.l	#CFG_FLASH_BASE, %d0
+	movec	%d0, %VBR
 #endif
 
 #ifdef	CONFIG_R5200
@@ -218,7 +253,6 @@ relocate_code:
 	move.l #CFG_MONITOR_BASE, %a1
 	move.l #__init_end, %a2
 	move.l %a0, %a3
-
 	/* copy the code to RAM */
 1:
 	move.l (%a1)+, (%a3)+
@@ -229,14 +263,14 @@ relocate_code:
  * We are done. Do not return, instead branch to second part of board
  * initialization, now running from RAM.
  */
-	move.l	%a0, %a1
+ 	move.l	%a0, %a1
 	add.l	#(in_ram - CFG_MONITOR_BASE), %a1
 	jmp	(%a1)
 
 in_ram:
 
 clear_bss:
-	/*
+ 	/*
 	 * Now clear BSS segment
 	 */
 	move.l	%a0, %a1
@@ -266,6 +300,23 @@ clear_bss:
 	cmp.l	%a2, %a1
 	bne	7b
 
+#if defined(CONFIG_M5281) || defined(CONFIG_M5282)
+	/* patch the 3 accesspoints to 3 ichache_state */
+	/* quick and dirty */
+
+	move.l	%a0,%d1
+	add.l	#(icache_state - CFG_MONITOR_BASE),%d1
+	move.l	%a0,%a1
+	add.l	#(icache_state_access_1+2 - CFG_MONITOR_BASE),%a1
+	move.l  %d1,(%a1)
+	move.l	%a0,%a1
+	add.l	#(icache_state_access_2+2 - CFG_MONITOR_BASE),%a1
+	move.l  %d1,(%a1)
+	move.l	%a0,%a1
+	add.l	#(icache_state_access_3+2 - CFG_MONITOR_BASE),%a1
+	move.l  %d1,(%a1)
+#endif
+
 	/* calculate relative jump to board_init_r in ram */
 	move.l %a0, %a1
 	add.l #(board_init_r - CFG_MONITOR_BASE), %a1
@@ -273,6 +324,10 @@ 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
 	jsr	(%a1)
 
 /*------------------------------------------------------------------------------*/
@@ -327,6 +382,7 @@ icache_enable:
 	move.l	#0x80400100, %d0		/* Setup cache mask, data cache disabel*/
 	movec	%d0, %CACR			/* Enable cache */
 	moveq	#1, %d0
+icache_state_access_1:
 	move.l	%d0, icache_state
 	rts
 #endif
@@ -361,18 +417,19 @@ icache_disable:
 	movec	%d0, %ACR0			/* Enable cache */
 	movec	%d0, %ACR1			/* Enable cache */
 	moveq	#0, %d0
+icache_state_access_2:
 	move.l	%d0, icache_state
 	rts
 
 	.globl	icache_status
 icache_status:
+icache_state_access_3:
 	move.l	icache_state, %d0
 	rts
 
 	.data
 icache_state:
-	.long	1
-
+	.long	0	/* cache is diabled on inirialization */
 
 /*------------------------------------------------------------------------------*/
 
diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk
index c357615..b29986e 100644
--- a/cpu/mips/config.mk
+++ b/cpu/mips/config.mk
@@ -21,7 +21,7 @@
 # MA 02111-1307 USA
 #
 v=$(shell \
-mips-linux-as --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}')
+$(CROSS_COMPILE)as --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}')
 MIPSFLAGS=$(shell \
 if [ "$v" -lt "14" ]; then \
 	echo "-mcpu=4kc"; \
diff --git a/cpu/mpc5xxx/serial.c b/cpu/mpc5xxx/serial.c
index cacb9f0..6cb523d 100644
--- a/cpu/mpc5xxx/serial.c
+++ b/cpu/mpc5xxx/serial.c
@@ -23,6 +23,9 @@
  * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 19-Oct-00, with
  * changes based on the file arch/ppc/mbxboot/m8260_tty.c from the
  * Linux/PPC sources (m8260_tty.c had no copyright info in it).
+ *
+ * Martin Krause, 8 Jun 2006
+ * Added CONFIG_SERIAL_MULTI support
  */
 
 /*
@@ -33,6 +36,10 @@
 #include <common.h>
 #include <mpc5xxx.h>
 
+#if defined (CONFIG_SERIAL_MULTI)
+#include <serial.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #if defined(CONFIG_PSC_CONSOLE)
@@ -55,9 +62,41 @@ DECLARE_GLOBAL_DATA_PTR;
 #error CONFIG_PSC_CONSOLE must be in 1 ... 6
 #endif
 
+#if defined(CONFIG_SERIAL_MULTI) && !defined(CONFIG_PSC_CONSOLE2)
+#error you must define CONFIG_PSC_CONSOLE2 if CONFIG_SERIAL_MULTI is set
+#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+#if CONFIG_PSC_CONSOLE2 == 1
+#define PSC_BASE2 MPC5XXX_PSC1
+#elif CONFIG_PSC_CONSOLE2 == 2
+#define PSC_BASE2 MPC5XXX_PSC2
+#elif CONFIG_PSC_CONSOLE2 == 3
+#define PSC_BASE2 MPC5XXX_PSC3
+#elif defined(CONFIG_MGT5100)
+#error CONFIG_PSC_CONSOLE2 must be in 1, 2 or 3
+#elif CONFIG_PSC_CONSOLE2 == 4
+#define PSC_BASE2 MPC5XXX_PSC4
+#elif CONFIG_PSC_CONSOLE2 == 5
+#define PSC_BASE2 MPC5XXX_PSC5
+#elif CONFIG_PSC_CONSOLE2 == 6
+#define PSC_BASE2 MPC5XXX_PSC6
+#else
+#error CONFIG_PSC_CONSOLE2 must be in 1 ... 6
+#endif
+#endif /* CONFIG_SERIAL_MULTI */
+
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_init_dev (unsigned long dev_base)
+#else
 int serial_init (void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 	unsigned long baseclk;
 	int div;
 
@@ -100,13 +139,24 @@ int serial_init (void)
 	return (0);
 }
 
-void
-serial_putc(const char c)
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_putc_dev (unsigned long dev_base, const char c)
+#else
+void serial_putc(const char c)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 
 	if (c == '\n')
+#if defined(CONFIG_SERIAL_MULTI)
+		serial_putc_dev (dev_base, '\r');
+#else
 		serial_putc('\r');
+#endif
 
 	/* Wait for last character to go. */
 	while (!(psc->psc_status & PSC_SR_TXEMP))
@@ -115,18 +165,32 @@ serial_putc(const char c)
 	psc->psc_buffer_8 = c;
 }
 
-void
-serial_puts (const char *s)
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_puts_dev (unsigned long dev_base, const char *s)
+#else
+void serial_puts (const char *s)
+#endif
 {
 	while (*s) {
+#if defined(CONFIG_SERIAL_MULTI)
+		serial_putc_dev (dev_base, *s++);
+#else
 		serial_putc (*s++);
+#endif
 	}
 }
 
-int
-serial_getc(void)
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_getc_dev (unsigned long dev_base)
+#else
+int serial_getc(void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 
 	/* Wait for a character to arrive. */
 	while (!(psc->psc_status & PSC_SR_RXRDY))
@@ -135,18 +199,32 @@ serial_getc(void)
 	return psc->psc_buffer_8;
 }
 
-int
-serial_tstc(void)
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_tstc_dev (unsigned long dev_base)
+#else
+int serial_tstc(void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 
 	return (psc->psc_status & PSC_SR_RXRDY);
 }
 
-void
-serial_setbrg(void)
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_setbrg_dev (unsigned long dev_base)
+#else
+void serial_setbrg(void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 	unsigned long baseclk, div;
 
 #if defined(CONFIG_MGT5100)
@@ -160,4 +238,87 @@ serial_setbrg(void)
 	psc->ctur = (div >> 8) & 0xFF;
 	psc->ctlr =  div & 0xff;
 }
+
+#if defined(CONFIG_SERIAL_MULTI)
+int serial0_init(void)
+{
+	return (serial_init_dev(PSC_BASE));
+}
+
+int serial1_init(void)
+{
+	return (serial_init_dev(PSC_BASE2));
+}
+void serial0_setbrg (void)
+{
+	serial_setbrg_dev(PSC_BASE);
+}
+void serial1_setbrg (void)
+{
+	serial_setbrg_dev(PSC_BASE2);
+}
+
+void serial0_putc(const char c)
+{
+	serial_putc_dev(PSC_BASE,c);
+}
+
+void serial1_putc(const char c)
+{
+	serial_putc_dev(PSC_BASE2, c);
+}
+void serial0_puts(const char *s)
+{
+	serial_puts_dev(PSC_BASE, s);
+}
+
+void serial1_puts(const char *s)
+{
+	serial_puts_dev(PSC_BASE2, s);
+}
+
+int serial0_getc(void)
+{
+	return(serial_getc_dev(PSC_BASE));
+}
+
+int serial1_getc(void)
+{
+	return(serial_getc_dev(PSC_BASE2));
+}
+int serial0_tstc(void)
+{
+	return (serial_tstc_dev(PSC_BASE));
+}
+
+int serial1_tstc(void)
+{
+	return (serial_tstc_dev(PSC_BASE2));
+}
+
+struct serial_device serial0_device =
+{
+	"serial0",
+	"UART0",
+	serial0_init,
+	serial0_setbrg,
+	serial0_getc,
+	serial0_tstc,
+	serial0_putc,
+	serial0_puts,
+};
+
+struct serial_device serial1_device =
+{
+	"serial1",
+	"UART1",
+	serial1_init,
+	serial1_setbrg,
+	serial1_getc,
+	serial1_tstc,
+	serial1_putc,
+	serial1_puts,
+};
+#endif /* CONFIG_SERIAL_MULTI */
+
 #endif /* CONFIG_PSC_CONSOLE */
diff --git a/cpu/mpc8xx/cpu_init.c b/cpu/mpc8xx/cpu_init.c
index 1a7111f..c79e578 100644
--- a/cpu/mpc8xx/cpu_init.c
+++ b/cpu/mpc8xx/cpu_init.c
@@ -161,6 +161,7 @@ void cpu_init_f (volatile immap_t * immr)
     defined(CONFIG_RMU)		|| \
     defined(CONFIG_RPXCLASSIC)	|| \
     defined(CONFIG_RPXLITE)	|| \
+    defined(CONFIG_SPC1920)	|| \
     defined(CONFIG_SPD823TS)
 
 	memctl->memc_br0 = CFG_BR0_PRELIM;
diff --git a/cpu/mpc8xx/fec.c b/cpu/mpc8xx/fec.c
index 6006478..6d2755e 100644
--- a/cpu/mpc8xx/fec.c
+++ b/cpu/mpc8xx/fec.c
@@ -396,8 +396,10 @@ static void fec_pin_init(int fecidx)
 	 * * to 2.5 MHz.
 	 * * This MDC frequency is equal to system clock / (2 * MII_SPEED).
 	 * * Then MII_SPEED = system_clock / 2 * 2,5 Mhz.
+	 *
+	 * All MII configuration is done via FEC1 registers:
 	 */
-	fecp->fec_mii_speed = ((bd->bi_intfreq + 4999999) / 5000000) << 1;
+	immr->im_cpm.cp_fec1.fec_mii_speed = ((bd->bi_intfreq + 4999999) / 5000000) << 1;
 
 #if defined(CONFIG_NETTA) || defined(CONFIG_NETPHONE) || defined(CONFIG_NETTA2)
 	/* our PHYs are the limit at 2.5 MHz */
@@ -508,8 +510,6 @@ static void fec_pin_init(int fecidx)
 #if defined(CONFIG_MPC885_FAMILY) /* MPC87x/88x have got 2 FECs and different pinout */
 
 #if !defined(CONFIG_RMII)
-
-#warning this configuration is not tested; please report if it works
 		immr->im_cpm.cp_pepar     |=  0x0003fffc;
 		immr->im_cpm.cp_pedir     |=  0x0003fffc;
 		immr->im_cpm.cp_peso      &= ~0x000087fc;
@@ -822,6 +822,7 @@ static void fec_halt(struct eth_device* dev)
 #define PHY_ID_LSI80225		0x0016f870	/* LSI 80225 */
 #define PHY_ID_LSI80225B	0x0016f880	/* LSI 80225/B */
 #define PHY_ID_DM9161		0x0181B880	/* Davicom DM9161 */
+#define PHY_ID_KSM8995M		0x00221450	/* MICREL KS8995MA */
 
 /* send command to phy using mii, wait for result */
 static uint
@@ -907,6 +908,9 @@ static int mii_discover_phy(struct eth_device *dev)
 				case PHY_ID_DM9161:
 					printf("Davicom DM9161\n");
 					break;
+				case PHY_ID_KSM8995M:
+					printf("MICREL KS8995M\n");
+					break;
 				default:
 					printf("0x%08x\n", phytype);
 					break;
diff --git a/cpu/mpc8xx/serial.c b/cpu/mpc8xx/serial.c
index 26a82cc..8ae584f 100644
--- a/cpu/mpc8xx/serial.c
+++ b/cpu/mpc8xx/serial.c
@@ -227,9 +227,12 @@ static int smc_init (void)
 	sp->smc_smcm = 0;
 	sp->smc_smce = 0xff;
 
-	/* Set up the baud rate generator.
-	*/
+#ifdef CFG_SPC1920_SMC1_CLK4 /* clock source is PLD */
+	*((volatile uchar *) CFG_SPC1920_PLD_BASE+6) = 0xff;
+#else
+	/* Set up the baud rate generator */
 	smc_setbrg ();
+#endif
 
 	/* Make the first buffer the only buffer.
 	*/
diff --git a/cpu/mpc8xx/speed.c b/cpu/mpc8xx/speed.c
index 57f91c0..101d5f9 100644
--- a/cpu/mpc8xx/speed.c
+++ b/cpu/mpc8xx/speed.c
@@ -259,7 +259,11 @@ int get_clocks_866 (void)
 	 */
 	sccr_reg = immr->im_clkrst.car_sccr;
 	sccr_reg &= ~SCCR_EBDF11;
+#if defined(CONFIG_TQM885D)
+	if (gd->cpu_clk <= 80000000) {
+#else
 	if (gd->cpu_clk <= 66000000) {
+#endif
 		sccr_reg |= SCCR_EBDF00;	/* bus division factor = 1 */
 		gd->bus_clk = gd->cpu_clk;
 	} else {
@@ -360,7 +364,8 @@ static long init_pll_866 (long clk)
 
 #endif /* CONFIG_8xx_CPUCLK_DEFAULT */
 
-#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M)
+#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
+    && !defined(CONFIG_TQM885D)
 /*
  * Adjust sdram refresh rate to actual CPU clock
  * and set timebase source according to actual CPU clock
@@ -384,6 +389,6 @@ int adjust_sdram_tbs_8xx (void)
 
 	return (0);
 }
-#endif /* CONFIG_TQM8xxL/M, !TQM866M */
+#endif /* CONFIG_TQM8xxL/M, !TQM866M, !TQM885D */
 
 /* ------------------------------------------------------------------------- */
diff --git a/cpu/nios2/epcs.c b/cpu/nios2/epcs.c
index a8851e9..414c38c 100644
--- a/cpu/nios2/epcs.c
+++ b/cpu/nios2/epcs.c
@@ -25,7 +25,7 @@
 
 #if defined(CFG_NIOS_EPCSBASE)
 #include <command.h>
-#include <nios2.h>
+#include <asm/io.h>
 #include <nios2-io.h>
 #include <nios2-epcs.h>
 
@@ -72,8 +72,7 @@
  */
 #define EPCS_TIMEOUT		100	/* 100 msec timeout */
 
-static nios_spi_t *epcs =
-	(nios_spi_t *)CACHE_BYPASS(CFG_NIOS_EPCSBASE);
+static nios_spi_t *epcs = (nios_spi_t *)CFG_NIOS_EPCSBASE;
 
 /***********************************************************************
  * Device access
@@ -81,16 +80,20 @@ static nios_spi_t *epcs =
 static int epcs_cs (int assert)
 {
 	ulong start;
+	unsigned tmp;
+
 
 	if (assert) {
-		epcs->control |= NIOS_SPI_SSO;
+		tmp = readl (&epcs->control);
+		writel (&epcs->control, tmp | NIOS_SPI_SSO);
 	} else {
 		/* Let all bits shift out */
 		start = get_timer (0);
-		while ((epcs->status & NIOS_SPI_TMT) == 0)
+		while ((readl (&epcs->status) & NIOS_SPI_TMT) == 0)
 			if (get_timer (start) > EPCS_TIMEOUT)
 				return (-1);
-		epcs->control &= ~NIOS_SPI_SSO;
+		tmp = readl (&epcs->control);
+		writel (&epcs->control, tmp & ~NIOS_SPI_SSO);
 	}
 	return (0);
 }
@@ -100,10 +103,10 @@ static int epcs_tx (unsigned char c)
 	ulong start;
 
 	start = get_timer (0);
-	while ((epcs->status & NIOS_SPI_TRDY) == 0)
+	while ((readl (&epcs->status) & NIOS_SPI_TRDY) == 0)
 		if (get_timer (start) > EPCS_TIMEOUT)
 			return (-1);
-	epcs->txdata = c;
+	writel (&epcs->txdata, c);
 	return (0);
 }
 
@@ -112,10 +115,10 @@ static int epcs_rx (void)
 	ulong start;
 
 	start = get_timer (0);
-	while ((epcs->status & NIOS_SPI_RRDY) == 0)
+	while ((readl (&epcs->status) & NIOS_SPI_RRDY) == 0)
 		if (get_timer (start) > EPCS_TIMEOUT)
 			return (-1);
-	return (epcs->rxdata);
+	return (readl (&epcs->rxdata));
 }
 
 static unsigned char bitrev[] = {
@@ -207,6 +210,21 @@ static struct epcs_devinfo_t devinfo[] = {
 	{ 0, 0, 0, 0, 0, 0 }
 };
 
+int epcs_reset (void)
+{
+	/* When booting from an epcs controller, the epcs bootrom
+	 * code may leave the slave select in an asserted state.
+	 * This causes two problems: (1) The initial epcs access
+	 * will fail -- not a big deal, and (2) a software reset
+	 * will cause the bootrom code to hang since it does not
+	 * ensure the select is negated prior to first access -- a
+	 * big deal. Here we just negate chip select and everything
+	 * gets better :-)
+	 */
+	epcs_cs (0); /* Negate chip select */
+	return (0);
+}
+
 epcs_devinfo_t *epcs_dev_find (void)
 {
 	unsigned char buf[4];
diff --git a/cpu/nios2/exceptions.S b/cpu/nios2/exceptions.S
index d3b95cf..b9c7a58 100644
--- a/cpu/nios2/exceptions.S
+++ b/cpu/nios2/exceptions.S
@@ -30,6 +30,9 @@
 
 	.global _exception
 
+	.set noat
+	.set nobreak
+
 _exception:
 	/* SAVE ALL REGS -- this allows trap and unimplemented
 	 * instruction handlers to be coded conveniently in C
diff --git a/cpu/nios2/interrupts.c b/cpu/nios2/interrupts.c
index 4a6da58..4685161 100644
--- a/cpu/nios2/interrupts.c
+++ b/cpu/nios2/interrupts.c
@@ -27,6 +27,7 @@
 
 #include <nios2.h>
 #include <nios2-io.h>
+#include <asm/io.h>
 #include <asm/ptrace.h>
 #include <common.h>
 #include <command.h>
@@ -79,7 +80,7 @@ void tmr_isr (void *arg)
 	/* Interrupt is cleared by writing anything to the
 	 * status register.
 	 */
-	tmr->status = 0;
+	writel (&tmr->status, 0);
 	timestamp += CFG_NIOS_TMRMS;
 #ifdef CONFIG_STATUS_LED
 	status_led_tick(timestamp);
@@ -88,16 +89,17 @@ void tmr_isr (void *arg)
 
 static void tmr_init (void)
 {
-	nios_timer_t *tmr =(nios_timer_t *)CACHE_BYPASS(CFG_NIOS_TMRBASE);
+	nios_timer_t *tmr =(nios_timer_t *)CFG_NIOS_TMRBASE;
+
+	writel (&tmr->status, 0);
+	writel (&tmr->control, 0);
+	writel (&tmr->control, NIOS_TIMER_STOP);
 
-	tmr->control &= ~(NIOS_TIMER_START | NIOS_TIMER_ITO);
-	tmr->control |= NIOS_TIMER_STOP;
 #if defined(CFG_NIOS_TMRCNT)
-	tmr->periodl = CFG_NIOS_TMRCNT & 0xffff;
-	tmr->periodh = (CFG_NIOS_TMRCNT >> 16) & 0xffff;
+	writel (&tmr->periodl, CFG_NIOS_TMRCNT & 0xffff);
+	writel (&tmr->periodh, (CFG_NIOS_TMRCNT >> 16) & 0xffff);
 #endif
-	tmr->control |= ( NIOS_TIMER_ITO |
-			  NIOS_TIMER_CONT |
+	writel (&tmr->control, NIOS_TIMER_ITO | NIOS_TIMER_CONT |
 			  NIOS_TIMER_START );
 	irq_install_handler (CFG_NIOS_TMRIRQ, tmr_isr, (void *)tmr);
 }
diff --git a/cpu/nios2/serial.c b/cpu/nios2/serial.c
index 3d76603..0bd3821 100644
--- a/cpu/nios2/serial.c
+++ b/cpu/nios2/serial.c
@@ -24,7 +24,7 @@
 
 #include <common.h>
 #include <watchdog.h>
-#include <nios2.h>
+#include <asm/io.h>
 #include <nios2-io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -34,8 +34,7 @@ DECLARE_GLOBAL_DATA_PTR;
  *-----------------------------------------------------------------*/
 #if defined(CONFIG_CONSOLE_JTAG)
 
-static nios_jtag_t *jtag =
-	(nios_jtag_t *)CACHE_BYPASS(CFG_NIOS_CONSOLE);
+static nios_jtag_t *jtag = (nios_jtag_t *)CFG_NIOS_CONSOLE;
 
 void serial_setbrg( void ){ return; }
 int serial_init( void ) { return(0);}
@@ -44,9 +43,9 @@ void serial_putc (char c)
 {
 	unsigned val;
 
-	while (NIOS_JTAG_WSPACE (jtag->control) == 0)
+	while (NIOS_JTAG_WSPACE ( readl (&jtag->control)) == 0)
 		WATCHDOG_RESET ();
-	jtag->data = (unsigned char)c;
+	writel (&jtag->data, (unsigned char)c);
 }
 
 void serial_puts (const char *s)
@@ -57,7 +56,7 @@ void serial_puts (const char *s)
 
 int serial_tstc (void)
 {
-	return (jtag->control & NIOS_JTAG_RRDY);
+	return ( readl (&jtag->control) & NIOS_JTAG_RRDY);
 }
 
 int serial_getc (void)
@@ -67,7 +66,7 @@ int serial_getc (void)
 
 	while (1) {
 		WATCHDOG_RESET ();
-		val = jtag->data;
+		val = readl (&jtag->data);
 		if (val & NIOS_JTAG_RVALID)
 			break;
 	}
@@ -80,8 +79,7 @@ int serial_getc (void)
  *-----------------------------------------------------------------*/
 #else
 
-static nios_uart_t *uart = (nios_uart_t *)
-	CACHE_BYPASS(CFG_NIOS_CONSOLE);
+static nios_uart_t *uart = (nios_uart_t *) CFG_NIOS_CONSOLE;
 
 #if defined(CFG_NIOS_FIXEDBAUD)
 
@@ -98,7 +96,7 @@ void serial_setbrg (void)
 	unsigned div;
 
 	div = (CONFIG_SYS_CLK_FREQ/gd->baudrate)-1;
-	uart->divisor = div;
+	writel (&uart->divisor,div);
 	return;
 }
 
@@ -118,9 +116,9 @@ void serial_putc (char c)
 {
 	if (c == '\n')
 		serial_putc ('\r');
-	while ((uart->status & NIOS_UART_TRDY) == 0)
+	while ((readl (&uart->status) & NIOS_UART_TRDY) == 0)
 		WATCHDOG_RESET ();
-	uart->txdata = (unsigned char)c;
+	writel (&uart->txdata,(unsigned char)c);
 }
 
 void serial_puts (const char *s)
@@ -132,14 +130,14 @@ void serial_puts (const char *s)
 
 int serial_tstc (void)
 {
-	return (uart->status & NIOS_UART_RRDY);
+	return (readl (&uart->status) & NIOS_UART_RRDY);
 }
 
 int serial_getc (void)
 {
 	while (serial_tstc () == 0)
 		WATCHDOG_RESET ();
-	return( uart->rxdata & 0x00ff );
+	return (readl (&uart->rxdata) & 0x00ff );
 }
 
 #endif /* CONFIG_JTAG_CONSOLE */
diff --git a/cpu/nios2/sysid.c b/cpu/nios2/sysid.c
index 2b7a569..b5a2959 100644
--- a/cpu/nios2/sysid.c
+++ b/cpu/nios2/sysid.c
@@ -26,20 +26,21 @@
 #if defined (CFG_NIOS_SYSID_BASE)
 
 #include <command.h>
-#include <nios2.h>
+#include <asm/io.h>
 #include <nios2-io.h>
 #include <linux/time.h>
 
 void display_sysid (void)
 {
-	struct nios_sysid_t *sysid =
-		(struct nios_sysid_t *)CACHE_BYPASS(CFG_NIOS_SYSID_BASE);
+	struct nios_sysid_t *sysid = (struct nios_sysid_t *)CFG_NIOS_SYSID_BASE;
 	struct tm t;
 	char asc[32];
+	time_t stamp;
 
-	localtime_r ((time_t *)&sysid->timestamp, &t);
+	stamp = readl (&sysid->timestamp);
+	localtime_r (&stamp, &t);
 	asctime_r (&t, asc);
-	printf ("SYSID : %08x, %s", sysid->id, asc);
+	printf ("SYSID : %08x, %s", readl (&sysid->id), asc);
 
 }
 
diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c
index fad895b..cf5eccb 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/405gp_pci.c
@@ -438,7 +438,7 @@ void pci_440_init (struct pci_controller *hose)
 	 * The PCI initialization sequence enable bit must be set ... if not abort
 	 * pci setup since updating the bit requires chip reset.
 	 *--------------------------------------------------------------------------*/
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	unsigned long strap;
 
 	mfsdr(sdr_sdstp1,strap);
@@ -465,17 +465,30 @@ void pci_440_init (struct pci_controller *hose)
 	hose->first_busno = 0;
 	hose->last_busno = 0xff;
 
+	/* PCI I/O space */
 	pci_set_region(hose->regions + reg_num++,
 		       0x00000000,
 		       PCIX0_IOBASE,
 		       0x10000,
 		       PCI_REGION_IO);
 
+	/* PCI memory space */
 	pci_set_region(hose->regions + reg_num++,
 		       CFG_PCI_TARGBASE,
 		       CFG_PCI_MEMBASE,
 		       0x10000000,
 		       PCI_REGION_MEM );
+
+#if defined(CONFIG_PCI_SYS_MEM_BUS) && defined(CONFIG_PCI_SYS_MEM_PHYS) && \
+	defined(CONFIG_PCI_SYS_MEM_SIZE)
+	/* System memory space */
+	pci_set_region(hose->regions + reg_num++,
+		       CONFIG_PCI_SYS_MEM_BUS,
+		       CONFIG_PCI_SYS_MEM_PHYS,
+		       CONFIG_PCI_SYS_MEM_SIZE,
+		       PCI_REGION_MEM | PCI_REGION_MEMORY );
+#endif
+
 	hose->region_count = reg_num;
 
 	pci_setup_indirect(hose, PCIX0_CFGADR, PCIX0_CFGDATA);
@@ -502,7 +515,7 @@ void pci_440_init (struct pci_controller *hose)
 	out16r( PCIX0_CLS, 0x00060000 ); /* Bridge, host bridge */
 #endif
 
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	out32r( PCIX0_BRDGOPT1, 0x04000060 );               /* PLB Rq pri highest   */
 	out32r( PCIX0_BRDGOPT2, in32(PCIX0_BRDGOPT2) | 0x83 ); /* Enable host config, clear Timeout, ensure int src1  */
 #elif defined(PCIX0_BRDGOPT1)
@@ -520,8 +533,13 @@ void pci_440_init (struct pci_controller *hose)
 	out32r( PCIX0_POM0SA, 0 ); /* disable */
 	out32r( PCIX0_POM1SA, 0 ); /* disable */
 	out32r( PCIX0_POM2SA, 0 ); /* disable */
+#if defined(CONFIG_440SPE)
+	out32r( PCIX0_POM0LAL, 0x10000000 );
+	out32r( PCIX0_POM0LAH, 0x0000000c );
+#else
 	out32r( PCIX0_POM0LAL, 0x00000000 );
 	out32r( PCIX0_POM0LAH, 0x00000003 );
+#endif
 	out32r( PCIX0_POM0PCIAL, CFG_PCI_MEMBASE );
 	out32r( PCIX0_POM0PCIAH, 0x00000000 );
 	out32r( PCIX0_POM0SA, 0xf0000001 ); /* 256MB, enabled */
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 86dc2d0..fab65af 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -181,6 +181,9 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
 {
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 	uint32_t failsafe = 10000;
+#if defined(CONFIG_440SPE)
+	unsigned long mfr;
+#endif
 
 	out32 (EMAC_IER + hw_p->hw_addr, 0x00000000);	/* disable emac interrupts */
 
@@ -202,8 +205,23 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
 	}
 
 	/* EMAC RESET */
+#if defined(CONFIG_440SPE)
+	/* provide clocks for EMAC internal loopback  */
+	mfsdr (sdr_mfr, mfr);
+	mfr |= 0x08000000;
+	mtsdr(sdr_mfr, mfr);
+#endif
+
 	out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
 
+#if defined(CONFIG_440SPE)
+	/* remove clocks for EMAC internal loopback  */
+	mfsdr (sdr_mfr, mfr);
+	mfr &= ~0x08000000;
+	mtsdr(sdr_mfr, mfr);
+#endif
+
+
 #ifndef CONFIG_NETCONSOLE
 	hw_p->print_speed = 1;	/* print speed message again next time */
 #endif
@@ -301,7 +319,7 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 	return ((int)pfc1);
 
 }
-#endif
+#endif	/* CONFIG_440_GX */
 
 static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 {
@@ -314,12 +332,16 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	unsigned mode_reg;
 	unsigned short devnum;
 	unsigned short reg_short;
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	sys_info_t sysinfo;
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	int ethgroup = -1;
 #endif
 #endif
+#if defined(CONFIG_440SPE)
+	unsigned long mfr;
+#endif
+
 
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 
@@ -330,7 +352,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		return -1;
 	}
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	/* Need to get the OPB frequency so we can access the PHY */
 	get_sys_info (&sysinfo);
 #endif
@@ -360,6 +382,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	hw_p->stats.pkts_tx = 0;
 	hw_p->stats.pkts_rx = 0;
 	hw_p->stats.pkts_handled = 0;
+	hw_p->print_speed = 1;	/* print speed message again next time */
 #endif
 
 	hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */
@@ -373,7 +396,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	hw_p->tx_i_index = 0;	/* Transmit Interrupt Queue Index */
 	hw_p->tx_u_index = 0;	/* Transmit User Queue Index */
 
-#if defined(CONFIG_440) && !defined(CONFIG_440SP)
+#if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)
 	/* set RMII mode */
 	/* NOTE: 440GX spec states that mode is mutually exclusive */
 	/* NOTE: Therefore, disable all other EMACS, since we handle */
@@ -406,6 +429,12 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	__asm__ volatile ("eieio");
 
 	/* reset emac so we have access to the phy */
+#if defined(CONFIG_440SPE)
+	/* provide clocks for EMAC internal loopback  */
+	mfsdr (sdr_mfr, mfr);
+	mfr |= 0x08000000;
+	mtsdr(sdr_mfr, mfr);
+#endif
 
 	out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
 	__asm__ volatile ("eieio");
@@ -416,7 +445,14 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		failsafe--;
 	}
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440SPE)
+	/* remove clocks for EMAC internal loopback  */
+	mfsdr (sdr_mfr, mfr);
+	mfr &= ~0x08000000;
+	mtsdr(sdr_mfr, mfr);
+#endif
+
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	/* Whack the M1 register */
 	mode_reg = 0x0;
 	mode_reg &= ~0x00000038;
@@ -468,7 +504,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	if (hw_p->first_init == 0) {
 		miiphy_reset (dev->name, reg);
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 #if defined(CONFIG_CIS8201_PHY)
 		/*
 		 * Cicada 8201 PHY needs to have an extended register whacked
@@ -544,7 +580,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 			(int) speed, (duplex == HALF) ? "HALF" : "FULL");
 	}
 
-#if defined(CONFIG_440) && !defined(CONFIG_440SP)
+#if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
 	mfsdr(sdr_mfr, reg);
 	if (speed == 100) {
@@ -575,7 +611,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
 
 	/* set the Mal configuration reg */
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
 	       MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000);
 #else
@@ -759,8 +795,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 	/* set speed */
 	if (speed == _1000BASET) {
-#if defined(CONFIG_440SP)
-#define SDR0_PFC1_EM_1000	0x00200000
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 		unsigned long pfc1;
 		mfsdr (sdr_pfc1, pfc1);
 		pfc1 |= SDR0_PFC1_EM_1000;
@@ -787,7 +822,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 	/* set receive	low/high water mark register */
 #if defined(CONFIG_440)
-	/* 440GP has a 64 byte burst length */
+	/* 440s has a 64 byte burst length */
 	out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000);
 #else
 	/* 405s have a 16 byte burst length */
@@ -895,7 +930,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 
 #if defined (CONFIG_440)
 
-#if defined(CONFIG_440SP)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 /*
  * Hack: On 440SP all enet irq sources are located on UIC1
  * Needs some cleanup. --sr
@@ -1367,21 +1402,20 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 #endif
 	/* set phy num and mode */
 	bis->bi_phynum[0] = CONFIG_PHY_ADDR;
+	bis->bi_phymode[0] = 0;
+
 #if defined(CONFIG_PHY1_ADDR)
 	bis->bi_phynum[1] = CONFIG_PHY1_ADDR;
+	bis->bi_phymode[1] = 0;
 #endif
 #if defined(CONFIG_440GX)
 	bis->bi_phynum[2] = CONFIG_PHY2_ADDR;
 	bis->bi_phynum[3] = CONFIG_PHY3_ADDR;
-	bis->bi_phymode[0] = 0;
-	bis->bi_phymode[1] = 0;
 	bis->bi_phymode[2] = 2;
 	bis->bi_phymode[3] = 2;
 
-#if defined (CONFIG_440GX)
 	ppc_4xx_eth_setup_bridge(0, bis);
 #endif
-#endif
 
 	for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
 
@@ -1478,9 +1512,15 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 
 		if (0 == virgin) {
 			/* set the MAL IER ??? names may change with new spec ??? */
+#if defined(CONFIG_440SPE)
+			mal_ier =
+				MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE |
+				MAL_IER_DE | MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE ;
+#else
 			mal_ier =
 				MAL_IER_DE | MAL_IER_NE | MAL_IER_TE |
 				MAL_IER_OPBE | MAL_IER_PLBE;
+#endif
 			mtdcr (malesr, 0xffffffff);	/* clear pending interrupts */
 			mtdcr (maltxdeir, 0xffffffff);	/* clear pending interrupts */
 			mtdcr (malrxdeir, 0xffffffff);	/* clear pending interrupts */
@@ -1510,11 +1550,13 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 #else
 		emac0_dev = dev;
 #endif
+
+#if defined(CONFIG_NET_MULTI)
 #if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
 		miiphy_register (dev->name,
 				 emac4xx_miiphy_read, emac4xx_miiphy_write);
 #endif
-
+#endif
 	}			/* end for each supported device */
 	return (1);
 }
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index d9b5d32..71303bc 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -82,7 +82,9 @@ int pci_arbiter_enabled(void)
 	return (mfdcr(cpc0_strp1) & CPC0_STRP1_PAE_MASK);
 #endif
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+     defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+     defined(CONFIG_440SPE)
 	unsigned long val;
 
 	mfsdr(sdr_sdstp1, val);
@@ -91,8 +93,8 @@ int pci_arbiter_enabled(void)
 }
 #endif
 
-#if defined(CONFIG_405EP)|| defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
-	defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) ||  \
+     defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 
 #define I2C_BOOTROM
 
@@ -102,7 +104,9 @@ int i2c_bootrom_enabled(void)
 	return (mfdcr(cpc0_boot) & CPC0_BOOT_SEP);
 #endif
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+     defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+	defined(CONFIG_440SPE)
 	unsigned long val;
 
 	mfsdr(sdr_sdcs, val);
@@ -248,6 +252,14 @@ int checkcpu (void)
 		puts("SP Rev. B");
 		break;
 
+	case PVR_440SPe_RA:
+		puts("SPe Rev. A");
+		break;
+
+	case PVR_440SPe_RB:
+		puts("SPe Rev. B");
+		break;
+
 	default:
 		printf (" UNKNOWN (PVR=%08x)", pvr);
 		break;
diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index 3aae4ce..886f405 100644
--- a/cpu/ppc4xx/interrupts.c
+++ b/cpu/ppc4xx/interrupts.c
@@ -50,18 +50,22 @@ struct	irq_action {
 };
 
 static struct irq_action irq_vecs[32];
+void uic0_interrupt( void * parms); /* UIC0 handler */
 
 #if defined(CONFIG_440)
 static struct irq_action irq_vecs1[32]; /* For UIC1 */
 
 void uic1_interrupt( void * parms); /* UIC1 handler */
 
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 static struct irq_action irq_vecs2[32]; /* For UIC2 */
-
-void uic0_interrupt( void * parms); /* UIC0 handler */
 void uic2_interrupt( void * parms); /* UIC2 handler */
-#endif /* CONFIG_440GX */
+#endif /* CONFIG_440GX CONFIG_440SPE */
+
+#if defined(CONFIG_440SPE)
+static struct irq_action irq_vecs3[32]; /* For UIC3 */
+void uic3_interrupt( void * parms); /* UIC3 handler */
+#endif /* CONFIG_440SPE */
 
 #endif /* CONFIG_440 */
 
@@ -115,11 +119,16 @@ int interrupt_init_cpu (unsigned *decrementer_count)
 		irq_vecs1[vec].handler = NULL;
 		irq_vecs1[vec].arg = NULL;
 		irq_vecs1[vec].count = 0;
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 		irq_vecs2[vec].handler = NULL;
 		irq_vecs2[vec].arg = NULL;
 		irq_vecs2[vec].count = 0;
 #endif /* CONFIG_440GX */
+#if defined(CONFIG_440SPE)
+		irq_vecs3[vec].handler = NULL;
+		irq_vecs3[vec].arg = NULL;
+		irq_vecs3[vec].count = 0;
+#endif /* CONFIG_440SPE */
 #endif
 	}
 
@@ -221,6 +230,34 @@ void external_interrupt(struct pt_regs *regs)
 
 } /* external_interrupt CONFIG_440GX */
 
+#elif defined(CONFIG_440SPE)
+void external_interrupt(struct pt_regs *regs)
+{
+	ulong uic_msr;
+
+	/*
+	 * Read masked interrupt status register to determine interrupt source
+	 */
+	/* 440 SPe uses base uic register */
+	uic_msr = mfdcr(uic0msr);
+
+	if ( (UICB0_UIC1CI & uic_msr) || (UICB0_UIC1NCI & uic_msr) )
+		uic1_interrupt(0);
+
+	if ( (UICB0_UIC2CI & uic_msr) || (UICB0_UIC2NCI & uic_msr) )
+		uic2_interrupt(0);
+
+	if ( (UICB0_UIC3CI & uic_msr) || (UICB0_UIC3NCI & uic_msr) )
+		uic3_interrupt(0);
+
+	if (uic_msr & ~(UICB0_ALL))
+		uic0_interrupt(0);
+
+	mtdcr(uic0sr, uic_msr);
+
+	return;
+} /* external_interrupt CONFIG_440SPE */
+
 #else
 
 void external_interrupt(struct pt_regs *regs)
@@ -266,7 +303,7 @@ void external_interrupt(struct pt_regs *regs)
 }
 #endif
 
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 /* Handler for UIC0 interrupt */
 void uic0_interrupt( void * parms)
 {
@@ -357,8 +394,8 @@ void uic1_interrupt( void * parms)
 }
 #endif /* defined(CONFIG_440) */
 
-#if defined(CONFIG_440GX)
-/* Handler for UIC1 interrupt */
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
+/* Handler for UIC2 interrupt */
 void uic2_interrupt( void * parms)
 {
 	ulong uic2_msr;
@@ -384,7 +421,7 @@ void uic2_interrupt( void * parms)
 				(*irq_vecs2[vec].handler)(irq_vecs2[vec].arg);
 			} else {
 				mtdcr(uic2er, mfdcr(uic2er) & ~(0x80000000 >> vec));
-				printf ("Masking bogus interrupt vector (uic1) 0x%x\n", vec);
+				printf ("Masking bogus interrupt vector (uic2) 0x%x\n", vec);
 			}
 
 			/*
@@ -402,6 +439,51 @@ void uic2_interrupt( void * parms)
 }
 #endif /* defined(CONFIG_440GX) */
 
+#if defined(CONFIG_440SPE)
+/* Handler for UIC3 interrupt */
+void uic3_interrupt( void * parms)
+{
+	ulong uic3_msr;
+	ulong msr_shift;
+	int vec;
+
+	/*
+	 * Read masked interrupt status register to determine interrupt source
+	 */
+	uic3_msr = mfdcr(uic3msr);
+	msr_shift = uic3_msr;
+	vec = 0;
+
+	while (msr_shift != 0) {
+		if (msr_shift & 0x80000000) {
+			/*
+			 * Increment irq counter (for debug purpose only)
+			 */
+			irq_vecs3[vec].count++;
+
+			if (irq_vecs3[vec].handler != NULL) {
+				/* call isr */
+				(*irq_vecs3[vec].handler)(irq_vecs3[vec].arg);
+			} else {
+				mtdcr(uic3er, mfdcr(uic3er) & ~(0x80000000 >> vec));
+				printf ("Masking bogus interrupt vector (uic3) 0x%x\n", vec);
+			}
+
+			/*
+			 * After servicing the interrupt, we have to remove the status indicator.
+			 */
+			mtdcr(uic3sr, (0x80000000 >> vec));
+		}
+
+		/*
+		 * Shift msr to next position and increment vector
+		 */
+		msr_shift <<= 1;
+		vec++;
+	}
+}
+#endif /* defined(CONFIG_440SPE) */
+
 /****************************************************************************/
 
 /*
@@ -414,7 +496,7 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
 	int i = vec;
 
 #if defined(CONFIG_440)
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	if ((vec > 31) && (vec < 64)) {
 		i = vec - 32;
 		irqa = irq_vecs1;
@@ -441,7 +523,7 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
 	irqa[i].arg = arg;
 
 #if defined(CONFIG_440)
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	if ((vec > 31) && (vec < 64))
 		mtdcr (uic1er, mfdcr (uic1er) | (0x80000000 >> i));
 	else if (vec > 63)
@@ -464,7 +546,7 @@ void irq_free_handler (int vec)
 	int i = vec;
 
 #if defined(CONFIG_440)
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	if ((vec > 31) && (vec < 64)) {
 		irqa = irq_vecs1;
 		i = vec - 32;
@@ -485,7 +567,7 @@ void irq_free_handler (int vec)
 #endif
 
 #if defined(CONFIG_440)
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	if ((vec > 31) && (vec < 64))
 		mtdcr (uic1er, mfdcr (uic1er) & ~(0x80000000 >> i));
 	else if (vec > 63)
@@ -553,7 +635,7 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	printf("\n");
 #endif
 
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
 	printf ("\nUIC 2\n");
 	printf ("Nr  Routine   Arg       Count\n");
 
@@ -566,6 +648,19 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	printf("\n");
 #endif
 
+#if defined(CONFIG_440SPE)
+	printf ("\nUIC 3\n");
+	printf ("Nr  Routine   Arg       Count\n");
+
+	for (vec=0; vec<32; vec++) {
+		if (irq_vecs3[vec].handler != NULL)
+			printf ("%02d  %08lx  %08lx  %d\n",
+					vec+63, (ulong)irq_vecs3[vec].handler,
+					(ulong)irq_vecs3[vec].arg, irq_vecs3[vec].count);
+	}
+	printf("\n");
+#endif
+
 	return 0;
 }
 #endif  /* CONFIG_COMMANDS & CFG_CMD_IRQ */
diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c
index f26f2a2..aa580ed 100644
--- a/cpu/ppc4xx/miiphy.c
+++ b/cpu/ppc4xx/miiphy.c
@@ -50,7 +50,7 @@
 #include <405_mal.h>
 #include <miiphy.h>
 
-
+#undef ET_DEBUG
 /***********************************************************/
 /* Dump out to the screen PHY regs			   */
 /***********************************************************/
@@ -90,6 +90,10 @@ int phy_setup_aneg (char *devname, unsigned char addr)
 		PHY_ANLPAR_10);
 	miiphy_write (devname, addr, PHY_ANAR, adv);
 
+	miiphy_read (devname, addr, PHY_1000BTCR, &adv);
+	adv |= (0x0300);
+	miiphy_write (devname, addr, PHY_1000BTCR, adv);
+
 	/* Start/Restart aneg */
 	miiphy_read (devname, addr, PHY_BMCR, &ctl);
 	ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
@@ -104,7 +108,7 @@ int phy_setup_aneg (char *devname, unsigned char addr)
 /***********************************************************/
 unsigned int miiphy_getemac_offset (void)
 {
-#if (defined(CONFIG_440) && !defined(CONFIG_440SP)) && defined(CONFIG_NET_MULTI)
+#if (defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)) && defined(CONFIG_NET_MULTI)
 	unsigned long zmii;
 	unsigned long eoffset;
 
@@ -155,10 +159,12 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr,
 	i = 0;
 
 	/* see if it is ready for  sec */
-	while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == 0) {
+	while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
 		udelay (7);
 		if (i > 5) {
-#if 0
+#ifdef ET_DEBUG
+			sta_reg = in32 (EMAC_STACR + emac_reg);
+			printf ("read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 			printf ("read err 1\n");
 #endif
 			return -1;
@@ -167,31 +173,41 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr,
 	}
 	sta_reg = reg;		/* reg address */
 	/* set clock (50Mhz) and read flags */
-#if defined(CONFIG_440GX)
-	sta_reg |= EMAC_STACR_READ;
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
+#if defined(CONFIG_IBM_EMAC4_V4)      /* EMAC4 V4 changed bit setting */
+		sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_READ;
+#else
+		sta_reg |= EMAC_STACR_READ;
+#endif
 #else
 	sta_reg = (sta_reg | EMAC_STACR_READ) & ~EMAC_STACR_CLK_100MHZ;
 #endif
 
-#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX)
+#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && !defined(CONFIG__440SP) && !defined(CONFIG__440SPE)
 	sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ;
 #endif
 	sta_reg = sta_reg | (addr << 5);	/* Phy address */
-
+	sta_reg = sta_reg | EMAC_STACR_OC_MASK;	/* new IBM emac v4 */
 	out32 (EMAC_STACR + emac_reg, sta_reg);
-#if 0				/* test-only */
+#ifdef ET_DEBUG
 	printf ("a2: write: EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 #endif
 
 	sta_reg = in32 (EMAC_STACR + emac_reg);
+#ifdef ET_DEBUG
+		printf ("a21: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
+#endif
 	i = 0;
-	while ((sta_reg & EMAC_STACR_OC) == 0) {
+	while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
 		udelay (7);
 		if (i > 5) {
 			return -1;
 		}
 		i++;
 		sta_reg = in32 (EMAC_STACR + emac_reg);
+#ifdef ET_DEBUG
+		printf ("a22: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
+#endif
 	}
 	if ((sta_reg & EMAC_STACR_PHYE) != 0) {
 		return -1;
@@ -219,7 +235,7 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 	/* see if it is ready for 1000 nsec */
 	i = 0;
 
-	while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == 0) {
+	while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
 		if (i > 5)
 			return -1;
 		udelay (7);
@@ -228,16 +244,21 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 	sta_reg = 0;
 	sta_reg = reg;		/* reg address */
 	/* set clock (50Mhz) and read flags */
-#if defined(CONFIG_440GX)
-	sta_reg |= EMAC_STACR_WRITE;
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE)
+#if defined(CONFIG_IBM_EMAC4_V4)      /* EMAC4 V4 changed bit setting */
+		sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_WRITE;
+#else
+		sta_reg |= EMAC_STACR_WRITE;
+#endif
 #else
 	sta_reg = (sta_reg | EMAC_STACR_WRITE) & ~EMAC_STACR_CLK_100MHZ;
 #endif
 
-#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX)
+#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && !defined(CONFIG__440SP) && !defined(CONFIG__440SPE)
 	sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ;	/* Set clock frequency (PLB freq. dependend) */
 #endif
-	sta_reg = sta_reg | ((unsigned long) addr << 5);	/* Phy address */
+	sta_reg = sta_reg | ((unsigned long) addr << 5);/* Phy address */
+	sta_reg = sta_reg | EMAC_STACR_OC_MASK;		/* new IBM emac v4 */
 	memcpy (&sta_reg, &value, 2);	/* put in data */
 
 	out32 (EMAC_STACR + emac_reg, sta_reg);
@@ -245,12 +266,18 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 	/* wait for completion */
 	i = 0;
 	sta_reg = in32 (EMAC_STACR + emac_reg);
-	while ((sta_reg & EMAC_STACR_OC) == 0) {
+#ifdef ET_DEBUG
+		printf ("a31: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
+#endif
+	while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
 		udelay (7);
 		if (i > 5)
 			return -1;
 		i++;
 		sta_reg = in32 (EMAC_STACR + emac_reg);
+#ifdef ET_DEBUG
+		printf ("a32: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
+#endif
 	}
 
 	if ((sta_reg & EMAC_STACR_PHYE) != 0)
diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c
index e31d59d..faeea5c 100644
--- a/cpu/ppc4xx/sdram.c
+++ b/cpu/ppc4xx/sdram.c
@@ -379,7 +379,7 @@ long int initdram(int board_type)
 		/*
 		 * Enable the controller, then wait for DCEN to complete
 		 */
-		mtsdram(mem_cfg0, 0x86000000);	/* DCEN=1, PMUD=1, 64-bit	*/
+		mtsdram(mem_cfg0, 0x82000000);	/* DCEN=1, PMUD=0, 64-bit	*/
 		udelay(10000);
 
 		if (get_ram_size(0, mb0cf[i].size) == mb0cf[i].size) {
diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c
index 83c9479..ad3ca6e 100644
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/serial.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2006
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -275,11 +275,11 @@ int serial_tstc ()
 #define UART1_BASE  CFG_PERIPHERAL_BASE + 0x00000300
 #endif
 
-#if defined(CONFIG_440SP)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 #define UART2_BASE  CFG_PERIPHERAL_BASE + 0x00000600
 #endif
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 #define CR0_MASK        0xdfffffff
 #define CR0_EXTCLK_ENA  0x00800000
 #define CR0_UDIV_POS    0
@@ -309,14 +309,18 @@ int serial_tstc ()
 #if defined(CONFIG_UART1_CONSOLE)
 #define ACTING_UART0_BASE	UART1_BASE
 #define ACTING_UART1_BASE	UART0_BASE
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+	defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+	defined(CONFIG_440SPE)
 #define UART0_SDR           sdr_uart1
 #define UART1_SDR           sdr_uart0
 #endif /* CONFIG_440GX */
 #else
 #define ACTING_UART0_BASE	UART0_BASE
 #define ACTING_UART1_BASE	UART1_BASE
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+	defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+	defined(CONFIG_440SPE)
 #define UART0_SDR           sdr_uart0
 #define UART1_SDR           sdr_uart1
 #endif /* CONFIG_440GX */
@@ -437,7 +441,8 @@ int serial_init(void)
 	unsigned long tmp;
 #endif
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || \
+	defined(CONFIG_440SPE)
 #if defined(CONFIG_SERIAL_MULTI)
 	if (UART0_BASE == dev_base) {
 		mfsdr(UART0_SDR,reg);
@@ -466,7 +471,9 @@ int serial_init(void)
 	serial_divs (gd->baudrate, &udiv, &bdiv);
 #endif
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+	defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+	defined(CONFIG_440SPE)
 	reg |= udiv << CR0_UDIV_POS;	/* set the UART divisor */
 #if defined(CONFIG_SERIAL_MULTI)
 	if (UART0_BASE == dev_base) {
@@ -607,8 +614,28 @@ void serial_setbrg (void)
 #else
 	udiv = ((mfdcr (cntrl0) & 0x3e) >> 1) + 1;
 #endif /* CONFIG_405EP */
+
+#if !defined(CFG_EXT_SERIAL_CLOCK) && \
+	( defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+	  defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+	  defined(CONFIG_440SPE) )
+	serial_divs (gd->baudrate, &udiv, &bdiv);
+	tmp = udiv << CR0_UDIV_POS;		/* set the UART divisor */
+#if defined(CONFIG_SERIAL_MULTI)
+	if (UART0_BASE == dev_base) {
+		mtsdr (UART0_SDR, tmp);
+	} else {
+		mtsdr (UART1_SDR, tmp);
+	}
+#else
+	mtsdr (UART0_SDR, tmp);
+#endif
+
+#else
+
 	tmp = gd->baudrate * udiv * 16;
 	bdiv = (clk + tmp / 2) / tmp;
+#endif /* !defined(CFG_EXT_SERIAL_CLOCK) && (...) */
 
 #if defined(CONFIG_SERIAL_MULTI)
 	out8 (dev_base + UART_LCR, 0x80);	/* set DLAB bit */
diff --git a/cpu/ppc4xx/spd_sdram.c b/cpu/ppc4xx/spd_sdram.c
index ebd5f39..c24456b 100644
--- a/cpu/ppc4xx/spd_sdram.c
+++ b/cpu/ppc4xx/spd_sdram.c
@@ -745,7 +745,7 @@ long int spd_sdram(void) {
 	 */
 	check_volt_type(dimm_populated, iic0_dimm_addr, num_dimm_banks);
 
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
 	/*
 	 * Soft-reset SDRAM controller.
 	 */
@@ -1007,9 +1007,9 @@ void program_cfg0(unsigned long* dimm_populated,
 	}
 
 	/*
-	 * program Page Management Unit
+	 * program Page Management Unit (0 == enabled)
 	 */
-	cfg0 |= SDRAM_CFG0_PMUD;
+	cfg0 &= ~SDRAM_CFG0_PMUD;
 
 	/*
 	 * program Memory Controller Options 0
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index 02b4383..e552c03 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -29,7 +29,11 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 #define ONE_BILLION        1000000000
-
+#ifdef DEBUG
+#define DEBUGF(fmt,args...) printf(fmt ,##args)
+#else
+#define DEBUGF(fmt,args...)
+#endif
 
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR)
 
@@ -283,7 +287,7 @@ ulong get_PCI_freq (void)
 	return sys_info.freqPCI;
 }
 
-#elif !defined(CONFIG_440GX) && !defined(CONFIG_440SP)
+#elif !defined(CONFIG_440GX) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)
 void get_sys_info (sys_info_t * sysInfo)
 {
 	unsigned long strp0;
@@ -326,6 +330,26 @@ void get_sys_info (sys_info_t * sysInfo)
 	unsigned long m;
 	unsigned long prbdv0;
 
+#if defined(CONFIG_440SPE)
+	unsigned long sys_freq;
+	unsigned long sys_per=0;
+	unsigned long msr;
+	unsigned long pci_clock_per;
+	unsigned long sdr_ddrpll;
+
+	/*-------------------------------------------------------------------------+
+	 | Get the system clock period.
+	 +-------------------------------------------------------------------------*/
+	sys_per = determine_sysper();
+
+	msr = (mfmsr () & ~(MSR_EE));	/* disable interrupts */
+
+	/*-------------------------------------------------------------------------+
+	 | Calculate the system clock speed from the period.
+	 +-------------------------------------------------------------------------*/
+	sys_freq=(ONE_BILLION/sys_per)*1000;
+#endif
+
 	/* Extract configured divisors */
 	mfsdr( sdr_sdstp0,strp0 );
 	mfsdr( sdr_sdstp1,strp1 );
@@ -360,12 +384,238 @@ void get_sys_info (sys_info_t * sysInfo)
 		m = sysInfo->pllExtBusDiv * sysInfo->pllOpbDiv * sysInfo->pllFwdDivB;
 
 	/* Now calculate the individual clocks */
+#if defined(CONFIG_440SPE)
+	sysInfo->freqVCOMhz = (m * sys_freq) ;
+#else
 	sysInfo->freqVCOMhz = (m * CONFIG_SYS_CLK_FREQ) + (m>>1);
+#endif
 	sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA;
 	sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB/prbdv0;
 	sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
 	sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
 
+#if defined(CONFIG_440SPE)
+	/* Determine PCI Clock Period */
+	pci_clock_per = determine_pci_clock_per();
+	sysInfo->freqPCI = (ONE_BILLION/pci_clock_per) * 1000;
+	mfsdr(sdr_ddr0, sdr_ddrpll);
+	sysInfo->freqDDR = ((sysInfo->freqPLB) * SDR0_DDR0_DDRM_DECODE(sdr_ddrpll));
+#endif
+
+
+}
+
+#endif
+
+#if defined(CONFIG_440SPE)
+unsigned long determine_sysper(void)
+{
+	unsigned int fpga_clocking_reg;
+	unsigned int master_clock_selection;
+	unsigned long master_clock_per = 0;
+	unsigned long fb_div_selection;
+	unsigned int vco_div_reg_value;
+	unsigned long vco_div_selection;
+	unsigned long sys_per = 0;
+	int extClkVal;
+
+	/*-------------------------------------------------------------------------+
+	 | Read FPGA reg 0 and reg 1 to get FPGA reg information
+	 +-------------------------------------------------------------------------*/
+	fpga_clocking_reg = in16(FPGA_REG16);
+
+
+	/* Determine Master Clock Source Selection */
+	master_clock_selection = fpga_clocking_reg & FPGA_REG16_MASTER_CLK_MASK;
+
+	switch(master_clock_selection) {
+		case FPGA_REG16_MASTER_CLK_66_66:
+			master_clock_per = PERIOD_66_66MHZ;
+			break;
+		case FPGA_REG16_MASTER_CLK_50:
+			master_clock_per = PERIOD_50_00MHZ;
+			break;
+		case FPGA_REG16_MASTER_CLK_33_33:
+			master_clock_per = PERIOD_33_33MHZ;
+			break;
+		case FPGA_REG16_MASTER_CLK_25:
+			master_clock_per = PERIOD_25_00MHZ;
+			break;
+		case FPGA_REG16_MASTER_CLK_EXT:
+			if ((extClkVal==EXTCLK_33_33)
+					&& (extClkVal==EXTCLK_50)
+					&& (extClkVal==EXTCLK_66_66)
+					&& (extClkVal==EXTCLK_83)) {
+				/* calculate master clock period from external clock value */
+				master_clock_per=(ONE_BILLION/extClkVal) * 1000;
+			} else {
+				/* Unsupported */
+				DEBUGF ("%s[%d] *** master clock selection failed ***\n", __FUNCTION__,__LINE__);
+				hang();
+			}
+			break;
+		default:
+			/* Unsupported */
+			DEBUGF ("%s[%d] *** master clock selection failed ***\n", __FUNCTION__,__LINE__);
+			hang();
+			break;
+	}
+
+	/* Determine FB divisors values */
+	if ((fpga_clocking_reg & FPGA_REG16_FB1_DIV_MASK) == FPGA_REG16_FB1_DIV_LOW) {
+		if ((fpga_clocking_reg & FPGA_REG16_FB2_DIV_MASK) == FPGA_REG16_FB2_DIV_LOW)
+			fb_div_selection = FPGA_FB_DIV_6;
+		else
+			fb_div_selection = FPGA_FB_DIV_12;
+	} else {
+		if ((fpga_clocking_reg & FPGA_REG16_FB2_DIV_MASK) == FPGA_REG16_FB2_DIV_LOW)
+			fb_div_selection = FPGA_FB_DIV_10;
+		else
+			fb_div_selection = FPGA_FB_DIV_20;
+	}
+
+	/* Determine VCO divisors values */
+	vco_div_reg_value = fpga_clocking_reg & FPGA_REG16_VCO_DIV_MASK;
+
+	switch(vco_div_reg_value) {
+		case FPGA_REG16_VCO_DIV_4:
+			vco_div_selection = FPGA_VCO_DIV_4;
+			break;
+		case FPGA_REG16_VCO_DIV_6:
+			vco_div_selection = FPGA_VCO_DIV_6;
+			break;
+		case FPGA_REG16_VCO_DIV_8:
+			vco_div_selection = FPGA_VCO_DIV_8;
+			break;
+		case FPGA_REG16_VCO_DIV_10:
+		default:
+			vco_div_selection = FPGA_VCO_DIV_10;
+			break;
+	}
+
+	if (master_clock_selection == FPGA_REG16_MASTER_CLK_EXT) {
+		switch(master_clock_per) {
+			case PERIOD_25_00MHZ:
+				if (fb_div_selection == FPGA_FB_DIV_12) {
+					if (vco_div_selection == FPGA_VCO_DIV_4)
+						sys_per = PERIOD_75_00MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_50_00MHZ;
+				}
+				break;
+			case PERIOD_33_33MHZ:
+				if (fb_div_selection == FPGA_FB_DIV_6) {
+					if (vco_div_selection == FPGA_VCO_DIV_4)
+						sys_per = PERIOD_50_00MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_33_33MHZ;
+				}
+				if (fb_div_selection == FPGA_FB_DIV_10) {
+					if (vco_div_selection == FPGA_VCO_DIV_4)
+						sys_per = PERIOD_83_33MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_10)
+						sys_per = PERIOD_33_33MHZ;
+				}
+				if (fb_div_selection == FPGA_FB_DIV_12) {
+					if (vco_div_selection == FPGA_VCO_DIV_4)
+						sys_per = PERIOD_100_00MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_66_66MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_8)
+						sys_per = PERIOD_50_00MHZ;
+				}
+				break;
+			case PERIOD_50_00MHZ:
+				if (fb_div_selection == FPGA_FB_DIV_6) {
+					if (vco_div_selection == FPGA_VCO_DIV_4)
+						sys_per = PERIOD_75_00MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_50_00MHZ;
+				}
+				if (fb_div_selection == FPGA_FB_DIV_10) {
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_83_33MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_10)
+						sys_per = PERIOD_50_00MHZ;
+				}
+				if (fb_div_selection == FPGA_FB_DIV_12) {
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_100_00MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_8)
+						sys_per = PERIOD_75_00MHZ;
+				}
+				break;
+			case PERIOD_66_66MHZ:
+				if (fb_div_selection == FPGA_FB_DIV_6) {
+					if (vco_div_selection == FPGA_VCO_DIV_4)
+						sys_per = PERIOD_100_00MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_6)
+						sys_per = PERIOD_66_66MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_8)
+						sys_per = PERIOD_50_00MHZ;
+				}
+				if (fb_div_selection == FPGA_FB_DIV_10) {
+					if (vco_div_selection == FPGA_VCO_DIV_8)
+						sys_per = PERIOD_83_33MHZ;
+					if (vco_div_selection == FPGA_VCO_DIV_10)
+						sys_per = PERIOD_66_66MHZ;
+				}
+				if (fb_div_selection == FPGA_FB_DIV_12) {
+					if (vco_div_selection == FPGA_VCO_DIV_8)
+						sys_per = PERIOD_100_00MHZ;
+				}
+				break;
+			default:
+				break;
+		}
+
+		if (sys_per == 0) {
+			/* Other combinations are not supported */
+			DEBUGF ("%s[%d] *** sys period compute failed ***\n", __FUNCTION__,__LINE__);
+			hang();
+		}
+	} else {
+		/* calcul system clock without cheking */
+		/* if engineering option clock no check is selected */
+		/* sys_per = master_clock_per * vco_div_selection / fb_div_selection */
+		sys_per = (master_clock_per/fb_div_selection) * vco_div_selection;
+	}
+
+	return(sys_per);
+
+}
+
+/*-------------------------------------------------------------------------+
+| determine_pci_clock_per.
++-------------------------------------------------------------------------*/
+unsigned long determine_pci_clock_per(void)
+{
+	unsigned long pci_clock_selection,  pci_period;
+
+	/*-------------------------------------------------------------------------+
+	 | Read FPGA reg 6 to get PCI 0 FPGA reg information
+	 +-------------------------------------------------------------------------*/
+	pci_clock_selection = in16(FPGA_REG16);	/* was reg6 averifier */
+
+
+	pci_clock_selection = pci_clock_selection & FPGA_REG16_PCI0_CLK_MASK;
+
+	switch (pci_clock_selection) {
+		case FPGA_REG16_PCI0_CLK_133_33:
+			pci_period = PERIOD_133_33MHZ;
+			break;
+		case FPGA_REG16_PCI0_CLK_100:
+			pci_period = PERIOD_100_00MHZ;
+			break;
+		case FPGA_REG16_PCI0_CLK_66_66:
+			pci_period = PERIOD_66_66MHZ;
+			break;
+		default:
+			pci_period = PERIOD_33_33MHZ;;
+			break;
+	}
+
+	return(pci_period);
 }
 #endif
 
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 647088f..699fa7f 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -155,6 +155,11 @@
 
 /**************************************************************************/
 _start_440:
+	/*----------------------------------------------------------------+
+	| Core bug fix.  Clear the esr
+	+-----------------------------------------------------------------*/
+	li	r0,0
+	mtspr	esr,r0
 	/*----------------------------------------------------------------*/
 	/* Clear and set up some registers. */
 	/*----------------------------------------------------------------*/
@@ -166,7 +171,7 @@ _start_440:
 	mtspr	srr1,r0
 	mtspr	csrr0,r0
 	mtspr	csrr1,r0
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP) /* NOTE: 440GX adds machine check status regs */
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)  /* NOTE: 440GX adds machine check status regs */
 	mtspr	mcsrr0,r0
 	mtspr	mcsrr1,r0
 	mfspr	r1, mcsr
@@ -200,6 +205,31 @@ _start_440:
 	ori	r1,r1,0x6000	/* cache touch */
 	mtspr	ccr0,r1
 
+#if defined (CONFIG_440SPE)
+	/*----------------------------------------------------------------+
+	| Initialize Core Configuration Reg1.
+	| a. ICDPEI: Record even parity. Normal operation.
+	| b. ICTPEI: Record even parity. Normal operation.
+	| c. DCTPEI: Record even parity. Normal operation.
+	| d. DCDPEI: Record even parity. Normal operation.
+	| e. DCUPEI: Record even parity. Normal operation.
+	| f. DCMPEI: Record even parity. Normal operation.
+	| g. FCOM:   Normal operation
+	| h. MMUPEI: Record even parity. Normal operation.
+	| i. FFF:    Flush only as much data as necessary.
+	| j. TCS:    Timebase increments from CPU clock.
+	+-----------------------------------------------------------------*/
+	li	r0,0
+	mtspr	ccr1, r0
+
+	/*----------------------------------------------------------------+
+	| Reset the timebase.
+	| The previous write to CCR1 sets the timebase source.
+	+-----------------------------------------------------------------*/
+	mtspr	tbl, r0
+	mtspr	tbu, r0
+#endif
+
 	/*----------------------------------------------------------------*/
 	/* Setup interrupt vectors */
 	/*----------------------------------------------------------------*/
@@ -261,15 +291,26 @@ _start_440:
 	mtspr	ivlim,r1
 	mtspr	dvlim,r1
 
+	/*----------------------------------------------------------------+
+	|Initialize MMUCR[STID] = 0.
+	+-----------------------------------------------------------------*/
+	mfspr	r0,mmucr
+	addis	r1,0,0xFFFF
+	ori	r1,r1,0xFF00
+	and	r0,r0,r1
+	mtspr	mmucr,r0
+
 	/*----------------------------------------------------------------*/
 	/* Clear all TLB entries -- TID = 0, TS = 0 */
 	/*----------------------------------------------------------------*/
-	mtspr	mmucr,r0
+	addis	r0,0,0x0000
 	li	r1,0x003f	/* 64 TLB entries */
 	mtctr	r1
-0:	tlbwe	r0,r1,0x0000	/* Invalidate all entries (V=0)*/
+rsttlb:	tlbwe	r0,r1,0x0000	/* Invalidate all entries (V=0)*/
+	tlbwe	r0,r1,0x0001
+	tlbwe	r0,r1,0x0002
 	subi	r1,r1,0x0001
-	bdnz	0b
+	bdnz	rsttlb
 
 	/*----------------------------------------------------------------*/
 	/* TLB entry setup -- step thru tlbtab */
@@ -377,7 +418,7 @@ _start:
 	addi	r3,r3,32
 	bdnz	..d_ag
 #else
-#if defined (CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined (CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	mtdcr	l2_cache_cfg,r0		/* Ensure L2 Cache is off */
 #endif
 	mtdcr	isram0_sb1cr,r0		/* Disable bank 1 */
@@ -404,6 +445,19 @@ _start:
 	lis	r1, 0x8003
 	ori	r1,r1, 0x0980		/* fourth 64k */
 	mtdcr	isram0_sb3cr,r1
+#elif defined(CONFIG_440SPE)
+	lis	r1,0x0000		/* BAS = 0000_0000 */
+	ori	r1,r1,0x0984		/* first 64k */
+	mtdcr	isram0_sb0cr,r1
+	lis	r1,0x0001
+	ori	r1,r1,0x0984		/* second 64k */
+	mtdcr	isram0_sb1cr,r1
+	lis	r1, 0x0002
+	ori	r1,r1, 0x0984		/* third 64k */
+	mtdcr	isram0_sb2cr,r1
+	lis	r1, 0x0003
+	ori	r1,r1, 0x0984		/* fourth 64k */
+	mtdcr	isram0_sb3cr,r1
 #else
 	ori	r1,r1,0x0380		/* 8k rw */
 	mtdcr	isram0_sb0cr,r1
@@ -1197,7 +1251,7 @@ ppcSync:
  */
 	.globl	relocate_code
 relocate_code:
-#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SPE)
 	/*
 	 * On some 440er platforms the cache is enabled in the first TLB (Boot-CS)
 	 * to speed up the boot process. Now this cache needs to be disabled.
@@ -1412,7 +1466,7 @@ trap_init:
 	cmplw	0, r7, r8
 	blt	4b
 
-#if !defined(CONFIG_440_GX)
+#if !defined(CONFIG_440GX) && !defined(CONFIG_440SPE)
 	addi	r7,r0,0x1000		/* set ME bit (Machine Exceptions) */
 	oris	r7,r7,0x0002		/* set CE bit (Critical Exceptions) */
 	mtmsr	r7			/* change MSR */
diff --git a/cpu/ppc4xx/vecnum.h b/cpu/ppc4xx/vecnum.h
index cbfe41d..93cef02 100644
--- a/cpu/ppc4xx/vecnum.h
+++ b/cpu/ppc4xx/vecnum.h
@@ -31,7 +31,48 @@
 #ifndef _VECNUMS_H_
 #define _VECNUMS_H_
 
-#if defined(CONFIG_440SP)
+#if defined(CONFIG_440SPE)
+/* UIC 0 */
+#define VECNUM_U0           0           /* UART0                        */
+#define VECNUM_U1           1           /* UART1                        */
+#define VECNUM_IIC0         2           /* IIC0                         */
+#define VECNUM_IIC1         3           /* IIC1                         */
+#define VECNUM_PIM          4           /* PCI inbound message          */
+#define VECNUM_PCRW         5           /* PCI command reg write        */
+#define VECNUM_PPM          6           /* PCI power management         */
+#define VECNUM_MSI0         7           /* PCI MSI level 0              */
+#define VECNUM_MSI1         8           /* PCI MSI level 0              */
+#define VECNUM_MSI2         9           /* PCI MSI level 0              */
+#define VECNUM_D0           12          /* DMA channel 0                */
+#define VECNUM_D1           13          /* DMA channel 1                */
+#define VECNUM_D2           14          /* DMA channel 2                */
+#define VECNUM_D3           15          /* DMA channel 3                */
+#define VECNUM_UIC1NC       30          /* UIC1 non-critical interrupt  */
+#define VECNUM_UIC1C        31          /* UIC1 critical interrupt      */
+
+/* UIC 1 */
+#define VECNUM_MS           (32 + 1 )   /* MAL SERR                     */
+#define VECNUM_TXDE         (32 + 2 )   /* MAL TXDE                     */
+#define VECNUM_RXDE         (32 + 3 )   /* MAL RXDE                     */
+#define VECNUM_MTE          (32 + 6 )   /* MAL Tx EOB                   */
+#define VECNUM_MRE          (32 + 7 )   /* MAL Rx EOB                   */
+#define VECNUM_CT0          (32 + 12 )  /* GPT compare timer 0          */
+#define VECNUM_CT1          (32 + 13 )  /* GPT compare timer 1          */
+#define VECNUM_CT2          (32 + 14 )  /* GPT compare timer 2          */
+#define VECNUM_CT3          (32 + 15 )  /* GPT compare timer 3          */
+#define VECNUM_CT4          (32 + 16 )  /* GPT compare timer 4          */
+#define VECNUM_ETH0         (32 + 28)   /* Ethernet interrupt status    */
+#define VECNUM_EWU0         (32 + 29)   /* Emac  wakeup                 */
+
+/* UIC 2 */
+#define VECNUM_EIR5         (62 + 24)   /* External interrupt 5         */
+#define VECNUM_EIR4         (62 + 25)   /* External interrupt 4         */
+#define VECNUM_EIR3         (62 + 26)   /* External interrupt 3         */
+#define VECNUM_EIR2         (62 + 27)   /* External interrupt 2         */
+#define VECNUM_EIR1         (62 + 28)   /* External interrupt 1         */
+#define VECNUM_EIR0         (62 + 29)   /* External interrupt 0         */
+
+#elif defined(CONFIG_440SP)
 
 /* UIC 0 */
 #define VECNUM_U0           0           /* UART0                        */
author	Jon Loeliger <jdl@freescale.com>	2006-08-09 13:36:54 -0500
committer	Jon Loeliger <jdl@freescale.com>	2006-08-09 13:36:54 -0500
commit	281f69ede28cd3d8be5d62a96b5a0b73e6065858 (patch)
tree	8f1a0f42ce7d9c66d0ff2ecf93c9b069cbc68cc0 /cpu
parent	870cbeaa45ccdbd6566882741da9f82433bd4a86 (diff)
parent	6587f7e1e98bfcb7910a47bae2eb51e9a5fbd4da (diff)
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