ppc4xx: Add PPC405EX support

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/common/serial.c b/common/serial.c
index dee1cc0..b9916e2 100644
--- a/common/serial.c
+++ b/common/serial.c
@@ -41,7 +41,8 @@
    || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
 	return &serial_scc_device;
 #elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
-   || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_MPC5xxx)
+   || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
+   || defined(CONFIG_MPC5xxx)
 #if defined(CONFIG_CONS_INDEX) && defined(CFG_NS16550_SERIAL)
 #if (CONFIG_CONS_INDEX==1)
 	return &eserial1_device;
@@ -91,7 +92,8 @@
 #endif
 
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
- || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_MPC5xxx)
+ || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
+ || defined(CONFIG_MPC5xxx)
 	serial_register(&serial0_device);
 	serial_register(&serial1_device);
 #endif
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 71a9e37..841cb77 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -133,13 +133,15 @@
 #define BI_PHYMODE_GMII  3
 #define BI_PHYMODE_RTBI  4
 #define BI_PHYMODE_TBI   5
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #define BI_PHYMODE_SMII  6
 #define BI_PHYMODE_MII   7
 #endif
 
-#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || \
-	defined(CONFIG_440GRX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #define SDR0_MFR_ETH_CLK_SEL_V(n)	((0x01<<27) / (n+1))
 #endif
 
@@ -172,6 +174,12 @@
 #define CONFIG_EMAC_NR_START	0
 #endif
 
+#if defined(CONFIG_405EX) || defined(CONFIG_440EPX)
+#define ETH_IRQ_NUM(dev)	(VECNUM_ETH0 + ((dev)))
+#else
+#define ETH_IRQ_NUM(dev)	(VECNUM_ETH0 + ((dev) * 2))
+#endif
+
 /*-----------------------------------------------------------------------------+
  * Prototypes and externals.
  *-----------------------------------------------------------------------------*/
@@ -197,7 +205,9 @@
 {
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 	uint32_t failsafe = 10000;
-#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	unsigned long mfr;
 #endif
 
@@ -221,7 +231,9 @@
 	}
 
 	/* EMAC RESET */
-#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	/* provide clocks for EMAC internal loopback  */
 	mfsdr (sdr_mfr, mfr);
 	mfr |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
@@ -230,7 +242,9 @@
 
 	out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
 
-#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	/* remove clocks for EMAC internal loopback  */
 	mfsdr (sdr_mfr, mfr);
 	mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
@@ -389,6 +403,38 @@
 }
 #endif	/* CONFIG_440EPX */
 
+#if defined(CONFIG_405EX)
+int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
+{
+	u32 gmiifer = 0;
+
+	/*
+	 * Right now only 2*RGMII is supported. Please extend when needed.
+	 * sr - 2007-09-19
+	 */
+	switch (1) {
+	case 1:
+		/* 2 x RGMII ports */
+		out32 (RGMII_FER, 0x00000055);
+		bis->bi_phymode[0] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[1] = BI_PHYMODE_RGMII;
+		break;
+	case 2:
+		/* 2 x SMII ports */
+		break;
+	default:
+		break;
+	}
+
+	/* Ensure we setup mdio for this devnum and ONLY this devnum */
+	gmiifer = in32(RGMII_FER);
+	gmiifer |= (1 << (19-devnum));
+	out32 (RGMII_FER, gmiifer);
+
+	return ((int)0x0);
+}
+#endif  /* CONFIG_405EX */
+
 static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 {
 	int i, j;
@@ -402,19 +448,21 @@
 	unsigned short reg_short;
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 	sys_info_t sysinfo;
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	int ethgroup = -1;
 #endif
 #endif
 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 	unsigned long mfr;
 #endif
 
-
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 
 	/* before doing anything, figure out if we have a MAC address */
@@ -426,7 +474,8 @@
 
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 	/* Need to get the OPB frequency so we can access the PHY */
 	get_sys_info (&sysinfo);
 #endif
@@ -498,12 +547,16 @@
 
 	out32 (ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum));
 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
+#if defined(CONFIG_405EX)
+	ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
+#endif
 
 	__asm__ volatile ("eieio");
 
 	/* reset emac so we have access to the phy */
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	/* provide clocks for EMAC internal loopback  */
 	mfsdr (sdr_mfr, mfr);
 	mfr |= SDR0_MFR_ETH_CLK_SEL_V(devnum);
@@ -521,8 +574,9 @@
 	if (failsafe <= 0)
 		printf("\nProblem resetting EMAC!\n");
 
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	/* remove clocks for EMAC internal loopback  */
 	mfsdr (sdr_mfr, mfr);
 	mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(devnum);
@@ -531,7 +585,8 @@
 
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 	/* Whack the M1 register */
 	mode_reg = 0x0;
 	mode_reg &= ~0x00000038;
@@ -591,7 +646,8 @@
 
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 
 #if defined(CONFIG_CIS8201_PHY)
 		/*
@@ -723,7 +779,8 @@
 	}
 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
 
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	if (speed == 1000)
 		reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum));
 	else if (speed == 100)
@@ -740,7 +797,8 @@
 	/* set the Mal configuration reg */
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 	mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
 	       MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000);
 #else
@@ -978,8 +1036,8 @@
 		/*
 		 * Connect interrupt service routines
 		 */
-		irq_install_handler (VECNUM_ETH0 + (hw_p->devnum * 2),
-				     (interrupt_handler_t *) enetInt, dev);
+		irq_install_handler(ETH_IRQ_NUM(hw_p->devnum),
+				    (interrupt_handler_t *) enetInt, dev);
 	}
 
 	mtmsr (msr);		/* enable interrupts again */
@@ -1059,7 +1117,7 @@
 }
 
 
-#if defined (CONFIG_440)
+#if defined (CONFIG_440) || defined(CONFIG_405EX)
 
 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 /*
@@ -1073,7 +1131,8 @@
 #define UIC0SR		uic0sr
 #endif
 
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #define UICMSR_ETHX	uic0msr
 #define UICSR_ETHX	uic0sr
 #else
@@ -1601,7 +1660,11 @@
 	bis->bi_phynum[3] = CONFIG_PHY3_ADDR;
 	bis->bi_phymode[2] = 2;
 	bis->bi_phymode[3] = 2;
+#endif
 
+#if defined(CONFIG_440GX) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 	ppc_4xx_eth_setup_bridge(0, bis);
 #endif
 
@@ -1649,7 +1712,9 @@
 
 		if (0 == virgin) {
 			/* set the MAL IER ??? names may change with new spec ??? */
-#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 			mal_ier =
 				MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE |
 				MAL_IER_DE | MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE ;
diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile
index a11faec..bc65aa0 100644
--- a/cpu/ppc4xx/Makefile
+++ b/cpu/ppc4xx/Makefile
@@ -30,7 +30,7 @@
 COBJS	= 40x_spd_sdram.o 44x_spd_ddr.o 44x_spd_ddr2.o \
 	  4xx_pci.o 4xx_pcie.o 4xx_enet.o \
 	  bedbug_405.o commproc.o \
-	  cpu.o cpu_init.o gpio.o i2c.o interrupts.o \
+	  cpu.o cpu_init.o fdt.o gpio.o i2c.o interrupts.o \
 	  miiphy.o ndfc.o sdram.o serial.o speed.o \
 	  tlb.o traps.o usb_ohci.o usb.o usbdev.o
 
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index c07bc0c..7addb92 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000-2006
+ * (C) Copyright 2000-2007
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -45,15 +45,6 @@
 void board_reset(void);
 #endif
 
-#if defined(CONFIG_440)
-#define FREQ_EBC		(sys_info.freqEPB)
-#elif defined(CONFIG_405EZ)
-#define FREQ_EBC		((CONFIG_SYS_CLK_FREQ * sys_info.pllFbkDiv) / \
-				 sys_info.pllExtBusDiv)
-#else
-#define FREQ_EBC		(sys_info.freqPLB / sys_info.pllExtBusDiv)
-#endif
-
 #if defined(CONFIG_405GP) || \
     defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
@@ -76,7 +67,8 @@
 }
 #endif
 
-#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && !defined(CONFIG_405)
+#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \
+    !defined(CONFIG_405) && !defined(CONFIG_405EX)
 int pci_arbiter_enabled(void)
 {
 #if defined(CONFIG_405GP)
@@ -110,7 +102,8 @@
 #if defined(CONFIG_405EP) || defined(CONFIG_440GX) || \
     defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 
 #define I2C_BOOTROM
 
@@ -207,6 +200,21 @@
 				 'I', 'x', 'K', 'L', 'M', 'N', 'O', 'P' };
 #endif
 
+#if defined(CONFIG_405EX)
+#define SDR0_PINSTP_SHIFT	29
+static char *bootstrap_str[] = {
+	"EBC (8 bits)",
+	"EBC (16 bits)",
+	"EBC (16 bits)",
+	"NAND (8 bits)",
+	"NAND (8 bits)",
+	"I2C (Addr 0x54)",
+	"EBC (8 bits)",
+	"I2C (Addr 0x52)",
+};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
+#endif
+
 #if defined(SDR0_PINSTP_SHIFT)
 static int bootstrap_option(void)
 {
@@ -241,7 +249,8 @@
 	puts("AMCC PowerPC 4");
 
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
-    defined(CONFIG_405EP) || defined(CONFIG_405EZ)
+    defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
+    defined(CONFIG_405EX)
 	puts("05");
 #endif
 #if defined(CONFIG_440)
@@ -293,6 +302,26 @@
 		puts("EZ Rev. A");
 		break;
 
+	case PVR_405EX1_RA:
+		puts("EX Rev. A");
+		strcpy(addstr, "Security support");
+		break;
+
+	case PVR_405EX2_RA:
+		puts("EX Rev. A");
+		strcpy(addstr, "No Security support");
+		break;
+
+	case PVR_405EXR1_RA:
+		puts("EXr Rev. A");
+		strcpy(addstr, "Security support");
+		break;
+
+	case PVR_405EXR2_RA:
+		puts("EXr Rev. A");
+		strcpy(addstr, "No Security support");
+		break;
+
 #if defined(CONFIG_440)
 	case PVR_440GP_RB:
 		puts("GP Rev. B");
@@ -424,7 +453,7 @@
 	printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock),
 		sys_info.freqPLB / 1000000,
 		get_OPB_freq() / 1000000,
-		FREQ_EBC / 1000000);
+		sys_info.freqEBC / 1000000);
 
 	if (addstr[0] != 0)
 		printf("       %s\n", addstr);
@@ -437,7 +466,7 @@
 	printf ("Boot ROM Location %s\n", bootstrap_str[bootstrap_option()]);
 #endif	/* SDR0_PINSTP_SHIFT */
 
-#if defined(CONFIG_PCI)
+#if defined(CONFIG_PCI) && !defined(CONFIG_405EX)
 	printf ("       Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis");
 #endif
 
@@ -450,11 +479,11 @@
 	}
 #endif
 
-#if defined(CONFIG_PCI)
+#if defined(CONFIG_PCI) && !defined(CONFIG_405EX)
 	putc('\n');
 #endif
 
-#if defined(CONFIG_405EP) || defined(CONFIG_405EZ)
+#if defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX)
 	printf ("       16 kB I-Cache 16 kB D-Cache");
 #elif defined(CONFIG_440)
 	printf ("       32 kB I-Cache 32 kB D-Cache");
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 351da36..afb94cc 100644
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000-2006
+ * (C) Copyright 2000-2007
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -112,7 +112,7 @@
 	unsigned long val;
 #endif
 
-#if defined(CONFIG_405EP)
+#if defined(CONFIG_405EP) || defined (CONFIG_405EX)
 	/*
 	 * GPIO0 setup (select GPIO or alternate function)
 	 */
@@ -128,13 +128,21 @@
 	out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L);
 	out32(GPIO0_TSRH, CFG_GPIO0_TSRH);	/* three-state select			*/
 	out32(GPIO0_TSRL, CFG_GPIO0_TSRL);
+#if defined(CFG_GPIO0_ISR2H)
+	out32(GPIO0_ISR2H, CFG_GPIO0_ISR2H);
+	out32(GPIO0_ISR2L, CFG_GPIO0_ISR2L);
+#endif
+#if defined (CFG_GPIO0_TCR)
 	out32(GPIO0_TCR, CFG_GPIO0_TCR);	/* enable output driver for outputs	*/
+#endif
 
+#if defined (CONFIG_450EP)
 	/*
 	 * Set EMAC noise filter bits
 	 */
 	mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
 #endif /* CONFIG_405EP */
+#endif /* CONFIG_405EP */
 
 #if defined(CFG_440_GPIO_TABLE)
 	gpio_set_chip_configuration();
@@ -146,7 +154,7 @@
 #if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
 #if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
      defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
-     defined(CONFIG_405))
+     defined(CONFIG_405EX) || defined(CONFIG_405))
 	/*
 	 * Move the next instructions into icache, since these modify the flash
 	 * we are running from!
diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index ca565cc..2026cc9 100644
--- a/cpu/ppc4xx/interrupts.c
+++ b/cpu/ppc4xx/interrupts.c
@@ -52,7 +52,7 @@
 static struct irq_action irq_vecs[32];
 void uic0_interrupt( void * parms); /* UIC0 handler */
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 static struct irq_action irq_vecs1[32]; /* For UIC1 */
 
 void uic1_interrupt( void * parms); /* UIC1 handler */
@@ -116,7 +116,7 @@
 		irq_vecs[vec].handler = NULL;
 		irq_vecs[vec].arg = NULL;
 		irq_vecs[vec].count = 0;
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 		irq_vecs1[vec].handler = NULL;
 		irq_vecs1[vec].arg = NULL;
 		irq_vecs1[vec].count = 0;
@@ -172,7 +172,7 @@
 	 */
 	set_evpr(0x00000000);
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 #if !defined(CONFIG_440GX)
 	/* Install the UIC1 handlers */
 	irq_install_handler(VECNUM_UIC1NC, uic1_interrupt, 0);
@@ -378,7 +378,7 @@
 
 #endif /* CONFIG_440GX */
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 /* Handler for UIC1 interrupt */
 void uic1_interrupt( void * parms)
 {
@@ -525,7 +525,7 @@
 	struct irq_action *irqa = irq_vecs;
 	int i = vec;
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 	if ((vec > 31) && (vec < 64)) {
@@ -553,7 +553,7 @@
 	irqa[i].handler = handler;
 	irqa[i].arg = arg;
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 	if ((vec > 31) && (vec < 64))
@@ -577,7 +577,7 @@
 	struct irq_action *irqa = irq_vecs;
 	int i = vec;
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 	if ((vec > 31) && (vec < 64)) {
@@ -599,7 +599,7 @@
 		vec, irq_vecs[vec].handler);
 #endif
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 	if ((vec > 31) && (vec < 64))
@@ -641,7 +641,7 @@
 	int vec;
 
 	printf ("\nInterrupt-Information:\n");
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 	printf ("\nUIC 0\n");
 #endif
 	printf ("Nr  Routine   Arg       Count\n");
@@ -656,7 +656,7 @@
 		}
 	}
 
-#if defined(CONFIG_440)
+#if defined(CONFIG_440) || defined(CONFIG_405EX)
 	printf ("\nUIC 1\n");
 	printf ("Nr  Routine   Arg       Count\n");
 
diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c
index 6b98025..2c675e9 100644
--- a/cpu/ppc4xx/miiphy.c
+++ b/cpu/ppc4xx/miiphy.c
@@ -141,6 +141,16 @@
 
 	return (eoffset);
 #else
+
+#if defined(CONFIG_NET_MULTI) && defined(CONFIG_405EX)
+	unsigned long rgmii;
+	int devnum = 1;
+
+	rgmii = in32(RGMII_FER);
+	if (rgmii & (1 << (19 - devnum)))
+		return 0x100;
+#endif
+
 	return 0;
 #endif
 }
@@ -174,7 +184,8 @@
 	sta_reg = reg;		/* reg address */
 	/* set clock (50Mhz) and read flags */
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #if defined(CONFIG_IBM_EMAC4_V4)      /* EMAC4 V4 changed bit setting */
 		sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_READ;
 #else
@@ -186,7 +197,8 @@
 
 #if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && \
     !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
-    !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX)
+    !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \
+    !defined(CONFIG_405EX)
 	sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ;
 #endif
 	sta_reg = sta_reg | (addr << 5);	/* Phy address */
@@ -248,7 +260,8 @@
 	sta_reg = reg;		/* reg address */
 	/* set clock (50Mhz) and read flags */
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #if defined(CONFIG_IBM_EMAC4_V4)      /* EMAC4 V4 changed bit setting */
 		sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_WRITE;
 #else
@@ -260,7 +273,8 @@
 
 #if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && \
     !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
-    !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX)
+    !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \
+    !defined(CONFIG_405EX)
 	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 */
diff --git a/cpu/ppc4xx/ndfc.c b/cpu/ppc4xx/ndfc.c
index 3984577..ec1b38c 100644
--- a/cpu/ppc4xx/ndfc.c
+++ b/cpu/ppc4xx/ndfc.c
@@ -34,7 +34,7 @@
 #if defined(CONFIG_CMD_NAND) && !defined(CFG_NAND_LEGACY) && \
 	(defined(CONFIG_440EP) || defined(CONFIG_440GR) ||	     \
 	 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) ||	     \
-	 defined(CONFIG_405EZ))
+	 defined(CONFIG_405EZ) || defined(CONFIG_405EX))
 
 #include <nand.h>
 #include <linux/mtd/ndfc.h>
@@ -222,6 +222,7 @@
 	 */
 	board_nand_select_device(nand, cs);
 	out_be32((u32 *)(base + NDFC_BCFG0 + (cs << 2)), 0x80002222);
+
 	return 0;
 }
 
diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c
index 60712b1..8b1e2ff 100644
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/serial.c
@@ -266,7 +266,7 @@
 /*****************************************************************************/
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
     defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
-    defined(CONFIG_440)
+    defined(CONFIG_405EX) || defined(CONFIG_440)
 
 #if defined(CONFIG_440)
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
@@ -318,6 +318,15 @@
 #define UCR0_UDIV_POS   0
 #define UCR1_UDIV_POS   8
 #define UDIV_MAX        127
+#elif defined(CONFIG_405EX)
+#define UART0_BASE	0xef600200
+#define UART1_BASE	0xef600300
+#define CR0_MASK	0x000000ff
+#define CR0_EXTCLK_ENA	0x00800000
+#define CR0_UDIV_POS	0
+#define UDIV_SUBTRACT	0
+#define UART0_SDR	sdr_uart0
+#define UART1_SDR	sdr_uart1
 #else /* CONFIG_405GP || CONFIG_405CR */
 #define UART0_BASE      0xef600300
 #define UART1_BASE      0xef600400
@@ -391,7 +400,8 @@
 volatile static serial_buffer_t buf_info;
 #endif
 
-#if defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLOCK)
+#if (defined(CONFIG_440) || defined(CONFIG_405EX)) &&  \
+	!defined(CFG_EXT_SERIAL_CLOCK)
 static void serial_divs (int baudrate, unsigned long *pudiv,
 			 unsigned short *pbdiv)
 {
@@ -572,7 +582,31 @@
 	unsigned short bdiv;
 	volatile char val;
 
-#if defined(CONFIG_405EZ)
+#ifdef CONFIG_405EX
+	clk = tmp = 0;
+	mfsdr(UART0_SDR, reg);
+	reg &= ~CR0_MASK;
+#ifdef CFG_EXT_SERIAL_CLOCK
+	reg |= CR0_EXTCLK_ENA;
+	udiv = 1;
+	tmp  = gd->baudrate * 16;
+	bdiv = (CFG_EXT_SERIAL_CLOCK + tmp / 2) / tmp;
+#else
+	serial_divs(gd->baudrate, &udiv, &bdiv);
+#endif
+	reg |= (udiv - UDIV_SUBTRACT) << CR0_UDIV_POS;  /* set the UART divisor */
+
+	/*
+	 * Configure input clock to baudrate generator for all
+	 * available serial ports here
+	 */
+	mtsdr(UART0_SDR, reg);
+
+#if defined(UART1_SDR)
+	mtsdr(UART1_SDR, reg);
+#endif
+
+#elif defined(CONFIG_405EZ)
 	serial_divs(gd->baudrate, &udiv, &bdiv);
 	clk = tmp = reg = 0;
 #else
@@ -608,7 +642,7 @@
 #endif /* CONFIG_405EP */
 	tmp = gd->baudrate * udiv * 16;
 	bdiv = (clk + tmp / 2) / tmp;
-#endif /* CONFIG_405EZ */
+#endif /* CONFIG_405EX */
 
 	out8(UART_BASE + UART_LCR, 0x80);	/* set DLAB bit */
 	out8(UART_BASE + UART_DLL, bdiv);	/* set baudrate divisor */
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index da5330a..750b095 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2007
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -263,7 +263,7 @@
 	sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA;
 	sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB/prbdv0;
 	sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
-	sysInfo->freqEPB = sysInfo->freqPLB/sysInfo->pllExtBusDiv;
+	sysInfo->freqEBC = sysInfo->freqPLB/sysInfo->pllExtBusDiv;
 	sysInfo->freqPCI = sysInfo->freqPLB/sysInfo->pllPciDiv;
 
 	/* Figure which timer source to use */
@@ -317,7 +317,7 @@
 	if( get_pvr() == PVR_440GP_RB ) /* Rev B divs an extra 2 -- geez! */
 		sysInfo->freqPLB >>= 1;
 	sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
-	sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
+	sysInfo->freqEBC = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
 
 }
 #else
@@ -393,7 +393,7 @@
 	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;
+	sysInfo->freqEBC = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
 
 #if defined(CONFIG_YUCCA)
 	/* Determine PCI Clock Period */
@@ -733,6 +733,8 @@
 	 * Determine PLB clock frequency
 	 */
 	sysInfo->freqPLB = sysInfo->freqProcessor / sysInfo->pllPlbDiv;
+
+	sysInfo->freqEBC = sysInfo->freqPLB / sysInfo->pllExtBusDiv;
 }
 
 
@@ -856,6 +858,9 @@
 	 */
 	sysInfo->freqPLB = (CONFIG_SYS_CLK_FREQ * m) /
 		sysInfo->pllFwdDiv / sysInfo->pllPlbDiv;
+
+	sysInfo->freqEBC = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) /
+		sysInfo->pllExtBusDiv;
 }
 
 /********************************************
@@ -874,13 +879,175 @@
 	return val;
 }
 
+#elif defined(CONFIG_405EX)
+
+/*
+ * TODO: We need to get the CPR registers and calculate these values correctly!!!!
+ *   We need the specs!!!!
+ */
+static unsigned char get_fbdv(unsigned char index)
+{
+	unsigned char ret = 0;
+	/* This is table should be 256 bytes.
+	 * Only take first 52 values.
+	 */
+	unsigned char fbdv_tb[] = {
+		0x00, 0xff, 0x7f, 0xfd,
+		0x7a, 0xf5, 0x6a, 0xd5,
+		0x2a, 0xd4, 0x29, 0xd3,
+		0x26, 0xcc, 0x19, 0xb3,
+		0x67, 0xce, 0x1d, 0xbb,
+		0x77, 0xee, 0x5d, 0xba,
+		0x74, 0xe9, 0x52, 0xa5,
+		0x4b, 0x96, 0x2c, 0xd8,
+		0x31, 0xe3, 0x46, 0x8d,
+		0x1b, 0xb7, 0x6f, 0xde,
+		0x3d, 0xfb, 0x76, 0xed,
+		0x5a, 0xb5, 0x6b, 0xd6,
+		0x2d, 0xdb, 0x36, 0xec,
+
+	};
+
+	if ((index & 0x7f) == 0)
+		return 1;
+	while (ret < sizeof (fbdv_tb)) {
+		if (fbdv_tb[ret] == index)
+			break;
+		ret++;
+	}
+	ret++;
+
+	return ret;
+}
+
+#define PLL_FBK_PLL_LOCAL	0
+#define PLL_FBK_CPU		1
+#define PLL_FBK_PERCLK		5
+
+void get_sys_info (sys_info_t * sysInfo)
+{
+	unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ / 1000);
+	unsigned long m = 1;
+	unsigned int  tmp;
+	unsigned char fwdva[16] = {
+		1, 2, 14, 9, 4, 11, 16, 13,
+		12, 5, 6, 15, 10, 7, 8, 3,
+	};
+	unsigned char sel, cpudv0, plb2xDiv;
+
+	mfcpr(cpr0_plld, tmp);
+
+	/*
+	 * Determine forward divider A
+	 */
+	sysInfo->pllFwdDiv = fwdva[((tmp >> 16) & 0x0f)];	/* FWDVA */
+
+	/*
+	 * Determine FBK_DIV.
+	 */
+	sysInfo->pllFbkDiv = get_fbdv(((tmp >> 24) & 0x0ff)); /* FBDV */
+
+	/*
+	 * Determine PLBDV0
+	 */
+	sysInfo->pllPlbDiv = 2;
+
+	/*
+	 * Determine PERDV0
+	 */
+	mfcpr(cpr0_perd, tmp);
+	tmp = (tmp >> 24) & 0x03;
+	sysInfo->pllExtBusDiv = (tmp == 0) ? 4 : tmp;
+
+	/*
+	 * Determine OPBDV0
+	 */
+	mfcpr(cpr0_opbd, tmp);
+	tmp = (tmp >> 24) & 0x03;
+	sysInfo->pllOpbDiv = (tmp == 0) ? 4 : tmp;
+
+	/* Determine PLB2XDV0 */
+	mfcpr(cpr0_plbd, tmp);
+	tmp = (tmp >> 16) & 0x07;
+	plb2xDiv = (tmp == 0) ? 8 : tmp;
+
+	/* Determine CPUDV0 */
+	mfcpr(cpr0_cpud, tmp);
+	tmp = (tmp >> 24) & 0x07;
+	cpudv0 = (tmp == 0) ? 8 : tmp;
+
+	/* Determine SEL(5:7) in CPR0_PLLC */
+	mfcpr(cpr0_pllc, tmp);
+	sel = (tmp >> 24) & 0x07;
+
+	/*
+	 * Determine the M factor
+	 * PLL local: M = FBDV
+	 * CPU clock: M = FBDV * FWDVA * CPUDV0
+	 * PerClk	: M = FBDV * FWDVA * PLB2XDV0 * PLBDV0(2) * OPBDV0 * PERDV0
+	 *
+	 */
+	switch (sel) {
+	case PLL_FBK_CPU:
+		m = sysInfo->pllFwdDiv * cpudv0;
+		break;
+	case PLL_FBK_PERCLK:
+		m = sysInfo->pllFwdDiv * plb2xDiv * 2
+			* sysInfo->pllOpbDiv * sysInfo->pllExtBusDiv;
+		break;
+    	case PLL_FBK_PLL_LOCAL:
+		break;
+	default:
+		printf("%s unknown m\n", __FUNCTION__);
+		return;
+
+	}
+	m *= sysInfo->pllFbkDiv;
+
+	/*
+	 * Determine VCO clock frequency
+	 */
+	sysInfo->freqVCOHz = (1000000000000LL * (unsigned long long)m) /
+		(unsigned long long)sysClkPeriodPs;
+
+	/*
+	 * Determine CPU clock frequency
+	 */
+	sysInfo->freqProcessor = sysInfo->freqVCOHz / (sysInfo->pllFwdDiv * cpudv0);
+
+	/*
+	 * Determine PLB clock frequency, ddr1x should be the same
+	 */
+	sysInfo->freqPLB = sysInfo->freqVCOHz / (sysInfo->pllFwdDiv * plb2xDiv * 2);
+	sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
+	sysInfo->freqDDR = sysInfo->freqPLB;
+	sysInfo->freqEBC = sysInfo->freqOPB / sysInfo->pllExtBusDiv;
+}
+
+/********************************************
+ * get_OPB_freq
+ * return OPB bus freq in Hz
+ *********************************************/
+ulong get_OPB_freq (void)
+{
+	ulong val = 0;
+
+	PPC405_SYS_INFO sys_info;
+
+	get_sys_info (&sys_info);
+	val = sys_info.freqPLB / sys_info.pllOpbDiv;
+
+	return val;
+}
+
 #endif
 
 int get_clocks (void)
 {
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
     defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
-    defined(CONFIG_440) || defined(CONFIG_405)
+    defined(CONFIG_405EX) || defined(CONFIG_405) || \
+    defined(CONFIG_440)
 	sys_info_t sys_info;
 
 	get_sys_info (&sys_info);
@@ -907,7 +1074,8 @@
 
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
     defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
-    defined(CONFIG_440) || defined(CONFIG_405)
+    defined(CONFIG_405EX) || defined(CONFIG_405) || \
+    defined(CONFIG_440)
 	sys_info_t sys_info;
 
 	get_sys_info (&sys_info);
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 9626b65..81a15fe 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -800,7 +800,7 @@
 	/*----------------------------------------------------------------------- */
 	/* Enable two 128MB cachable regions. */
 	/*----------------------------------------------------------------------- */
-	addis	r1,r0,0x8000
+	addis	r1,r0,0xc000
 	addi	r1,r1,0x0001
 	mticcr	r1			/* instruction cache */
 
@@ -823,12 +823,23 @@
 /*****************************************************************************/
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
     defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
-    defined(CONFIG_405)
+    defined(CONFIG_405EX) || defined(CONFIG_405)
 	/*----------------------------------------------------------------------- */
 	/* Clear and set up some registers. */
 	/*----------------------------------------------------------------------- */
 	addi	r4,r0,0x0000
+#if !defined(CONFIG_405EX)
 	mtspr	sgr,r4
+#else
+	/*
+	 * On 405EX, completely clearing the SGR leads to PPC hangup
+	 * upon PCIe configuration access. The PCIe memory regions
+	 * need to be guarded!
+	 */
+	lis	r3,0x0000
+	ori	r3,r3,0x7FFC
+	mtspr	sgr,r3
+#endif
 	mtspr	dcwr,r4
 	mtesr	r4			/* clear Exception Syndrome Reg */
 	mttcr	r4			/* clear Timer Control Reg */
@@ -851,7 +862,7 @@
 	/*----------------------------------------------------------------------- */
 	/* Enable two 128MB cachable regions. */
 	/*----------------------------------------------------------------------- */
-	lis	r4,0x8000
+	lis	r4,0xc000
 	ori	r4,r4,0x0001
 	mticcr	r4			/* instruction cache */
 	isync
@@ -860,12 +871,34 @@
 	ori	r4,r4,0x0000
 	mtdccr	r4			/* data cache */
 
-#if !(defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
+#if !(defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) || defined(CONFIG_405EX)
 	/*----------------------------------------------------------------------- */
 	/* Tune the speed and size for flash CS0  */
 	/*----------------------------------------------------------------------- */
 	bl	ext_bus_cntlr_init
 #endif
+#if !(defined(CFG_INIT_DCACHE_CS) || defined(CFG_TEMP_STACK_OCM))
+	/*
+	 * Boards like the Kilauea (405EX) don't have OCM and can't use
+	 * DCache for init-ram. So setup stack here directly after the
+	 * SDRAM is initialized.
+	 */
+	lis	r1, CFG_INIT_RAM_ADDR@h
+	ori	r1,r1,CFG_INIT_SP_OFFSET /* set up the stack in SDRAM */
+
+	li	r0, 0			/* Make room for stack frame header and */
+	stwu	r0, -4(r1)		/* clear final stack frame so that	*/
+	stwu	r0, -4(r1)		/* stack backtraces terminate cleanly	*/
+	/*
+	 * Set up a dummy frame to store reset vector as return address.
+	 * this causes stack underflow to reset board.
+	 */
+	stwu	r1, -8(r1)		/* Save back chain and move SP */
+	lis	r0, RESET_VECTOR@h	/* Address of reset vector */
+	ori	r0, r0, RESET_VECTOR@l
+	stwu	r1, -8(r1)		/* Save back chain and move SP */
+	stw	r0, +12(r1)		/* Save return addr (underflow vect) */
+#endif /* !(CFG_INIT_DCACHE_CS	|| !CFG_TEM_STACK_OCM) */
 
 #if defined(CONFIG_405EP)
 	/*----------------------------------------------------------------------- */
@@ -983,7 +1016,7 @@
 	ori	r4,r4,0xa000
 	mtdcr	ebccfgd,r4
 
-	/* turn on data chache for this region */
+	/* turn on data cache for this region */
 	lis	r4,0x0080
 	mtdccr	r4
 
@@ -1049,30 +1082,6 @@
 	/*----------------------------------------------------------------------- */
 	bl	sdram_init
 
-	/*
-	 * Setup temporary stack pointer only for boards
-	 * that do not use SDRAM SPD I2C stuff since it
-	 * is already initialized to use DCACHE or OCM
-	 * stacks.
-	 */
-#if !(defined(CFG_INIT_DCACHE_CS) || defined(CFG_TEMP_STACK_OCM))
-	lis	r1, CFG_INIT_RAM_ADDR@h
-	ori	r1,r1,CFG_INIT_SP_OFFSET /* set up the stack in SDRAM */
-
-	li	r0, 0			/* Make room for stack frame header and */
-	stwu	r0, -4(r1)		/* clear final stack frame so that	*/
-	stwu	r0, -4(r1)		/* stack backtraces terminate cleanly	*/
-	/*
-	 * Set up a dummy frame to store reset vector as return address.
-	 * this causes stack underflow to reset board.
-	 */
-	stwu	r1, -8(r1)		/* Save back chain and move SP */
-	lis	r0, RESET_VECTOR@h	/* Address of reset vector */
-	ori	r0, r0, RESET_VECTOR@l
-	stwu	r1, -8(r1)		/* Save back chain and move SP */
-	stw	r0, +12(r1)		/* Save return addr (underflow vect) */
-#endif /* !(CFG_INIT_DCACHE_CS	|| !CFG_TEM_STACK_OCM) */
-
 #ifdef CONFIG_NAND_SPL
 	bl	nand_boot		/* will not return */
 #else
@@ -1273,7 +1282,7 @@
 	bl	invalidate_icache
 	mtlr	r8
 	isync
-	addis	r3,r0, 0x8000	      /* set bit 0 */
+	addis	r3,r0, 0xc000	      /* set bit 0 */
 	mticcr	r3
 	blr
 
diff --git a/cpu/ppc4xx/vecnum.h b/cpu/ppc4xx/vecnum.h
index bddf9e5..93e51b9 100644
--- a/cpu/ppc4xx/vecnum.h
+++ b/cpu/ppc4xx/vecnum.h
@@ -270,6 +270,110 @@
 #define VECNUM_EIR3		30	/* External interrupt 3		*/
 #define VECNUM_EIR4		31	/* External interrupt 4		*/
 
+#elif defined(CONFIG_405EX)
+
+/* UIC 0 */
+#define VECNUM_U0		00
+#define VECNUM_U1		01
+#define VECNUM_IIC0		02
+#define VECNUM_PKA		03
+#define VECNUM_TRNG		04
+#define VECNUM_EBM		05
+#define VECNUM_BGI		06
+#define VECNUM_IIC1		07
+#define VECNUM_SPI		08
+#define VECNUM_EIR0		09
+#define VECNUM_MTE		10	/* MAL Tx EOB */
+#define VECNUM_MRE		11	/* MAL Rx EOB */
+#define VECNUM_DMA0		12
+#define VECNUM_DMA1		13
+#define VECNUM_DMA2		14
+#define VECNUM_DMA3		15
+#define VECNUM_PCIE0AL		16
+#define VECNUM_PCIE0VPD		17
+#define VECNUM_RPCIE0HRST	18
+#define VECNUM_FPCIE0HRST	19
+#define VECNUM_PCIE0TCR		20
+#define VECNUM_PCIEMSI0		21
+#define VECNUM_PCIEMSI1		22
+#define VECNUM_SECURITY		23
+#define VECNUM_ETH0		24
+#define VECNUM_ETH1		25
+#define VECNUM_PCIEMSI2		26
+#define VECNUM_EIR4		27
+#define VECNUM_UIC2NC		28
+#define VECNUM_UIC2C		29
+#define VECNUM_UIC1NC		30
+#define VECNUM_UIC1C		31
+
+/* UIC 1 */
+#define VECNUM_MS		(32 + 00)	/* MAL SERR */
+#define VECNUM_TXDE		(32 + 01)	/* MAL TXDE */
+#define VECNUM_RXDE		(32 + 02)	/* MAL RXDE */
+#define VECNUM_PCIE0BMVC0	(32 + 03)
+#define VECNUM_PCIE0DCRERR	(32 + 04)
+#define VECNUM_EBC		(32 + 05)
+#define VECNUM_NDFC		(32 + 06)
+#define VECNUM_PCEI1DCRERR	(32 + 07)
+#define VECNUM_CT8		(32 + 08)
+#define VECNUM_CT9		(32 + 09)
+#define VECNUM_PCIE1AL		(32 + 10)
+#define VECNUM_PCIE1VPD		(32 + 11)
+#define VECNUM_RPCE1HRST	(32 + 12)
+#define VECNUM_FPCE1HRST	(32 + 13)
+#define VECNUM_PCIE1TCR		(32 + 14)
+#define VECNUM_PCIE1VC0		(32 + 15)
+#define VECNUM_CT3		(32 + 16)
+#define VECNUM_CT4		(32 + 17)
+#define VECNUM_EIR7		(32 + 18)
+#define VECNUM_EIR8		(32 + 19)
+#define VECNUM_EIR9		(32 + 20)
+#define VECNUM_CT5		(32 + 21)
+#define VECNUM_CT6		(32 + 22)
+#define VECNUM_CT7		(32 + 23)
+#define VECNUM_SROM		(32 + 24)	/* SERIAL ROM */
+#define VECNUM_GPTDECPULS	(32 + 25)	/* GPT Decrement pulse */
+#define VECNUM_EIR2		(32 + 26)
+#define VECNUM_EIR5		(32 + 27)
+#define VECNUM_EIR6		(32 + 28)
+#define VECNUM_EMAC0WAKE	(32 + 29)
+#define VECNUM_EIR1		(32 + 30)
+#define VECNUM_EMAC1WAKE	(32 + 31)
+
+/* UIC 2 */
+#define VECNUM_PCIE0INTA	(64 + 00)	/* PCIE0 INTA */
+#define VECNUM_PCIE0INTB	(64 + 01)	/* PCIE0 INTB */
+#define VECNUM_PCIE0INTC	(64 + 02)	/* PCIE0 INTC */
+#define VECNUM_PCIE0INTD	(64 + 03)	/* PCIE0 INTD */
+#define VECNUM_EIR3		(64 + 04)	/* External IRQ 3 */
+#define VECNUM_DDRMCUE		(64 + 05)
+#define VECNUM_DDRMCCE		(64 + 06)
+#define VECNUM_MALINTCOATX0	(64 + 07)	/* Interrupt coalecence TX0 */
+#define VECNUM_MALINTCOATX1	(64 + 08)	/* Interrupt coalecence TX1 */
+#define VECNUM_MALINTCOARX0	(64 + 09)	/* Interrupt coalecence RX0 */
+#define VECNUM_MALINTCOARX1	(64 + 10)	/* Interrupt coalecence RX1 */
+#define VECNUM_PCIE1INTA	(64 + 11)	/* PCIE0 INTA */
+#define VECNUM_PCIE1INTB	(64 + 12)	/* PCIE0 INTB */
+#define VECNUM_PCIE1INTC	(64 + 13)	/* PCIE0 INTC */
+#define VECNUM_PCIE1INTD	(64 + 14)	/* PCIE0 INTD */
+#define VECNUM_RPCIEMSI2	(64 + 15)	/* MSI level 2 */
+#define VECNUM_PCIEMSI3		(64 + 16)	/* MSI level 2 */
+#define VECNUM_PCIEMSI4		(64 + 17)	/* MSI level 2 */
+#define VECNUM_PCIEMSI5		(64 + 18)	/* MSI level 2 */
+#define VECNUM_PCIEMSI6		(64 + 19)	/* MSI level 2 */
+#define VECNUM_PCIEMSI7		(64 + 20)	/* MSI level 2 */
+#define VECNUM_PCIEMSI8		(64 + 21)	/* MSI level 2 */
+#define VECNUM_PCIEMSI9		(64 + 22)	/* MSI level 2 */
+#define VECNUM_PCIEMSI10	(64 + 23)	/* MSI level 2 */
+#define VECNUM_PCIEMSI11	(64 + 24)	/* MSI level 2 */
+#define VECNUM_PCIEMSI12	(64 + 25)	/* MSI level 2 */
+#define VECNUM_PCIEMSI13	(64 + 26)	/* MSI level 2 */
+#define VECNUM_PCIEMSI14	(64 + 27)	/* MSI level 2 */
+#define VECNUM_PCIEMSI15	(64 + 28)	/* MSI level 2 */
+#define VECNUM_PLB4XAHB		(64 + 29)	/* PLBxAHB bridge */
+#define VECNUM_USBWAKE		(64 + 30)	/* USB wakup */
+#define VECNUM_USBOTG		(64 + 31)	/* USB OTG */
+
 #else	/* !CONFIG_405EZ */
 
 #define VECNUM_U0           0           /* UART0                        */
diff --git a/include/405_mal.h b/include/405_mal.h
index 2a42184..7ea4eb1 100644
--- a/include/405_mal.h
+++ b/include/405_mal.h
@@ -92,7 +92,9 @@
 #define MAL_ESR_PBEI	  0x00000001
       /* ^^			 ^^   */
       /* Mal IER		      */
-#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #define MAL_IER_PT	  0x00000080
 #define MAL_IER_PRE	  0x00000040
 #define MAL_IER_PWE	  0x00000020
diff --git a/include/4xx_i2c.h b/include/4xx_i2c.h
index 66b7997..7c79bd1 100644
--- a/include/4xx_i2c.h
+++ b/include/4xx_i2c.h
@@ -43,7 +43,7 @@
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 #define I2C_BASE_ADDR	(CFG_PERIPHERAL_BASE + 0x00000700 + I2C_BUS_OFFS)
-#elif defined(CONFIG_440)
+#elif defined(CONFIG_440) || defined(CONFIG_405EX)
 /* all remaining 440 variants */
 #define I2C_BASE_ADDR	(CFG_PERIPHERAL_BASE + 0x00000400 + I2C_BUS_OFFS)
 #else
diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h
index 0a160e2..451ee94 100644
--- a/include/asm-ppc/processor.h
+++ b/include/asm-ppc/processor.h
@@ -765,6 +765,10 @@
 #define PVR_405EP_RA	0x51210950
 #define PVR_405GPR_RB	0x50910951
 #define PVR_405EZ_RA	0x41511460
+#define PVR_405EXR1_RA	0x12911473 /* 405EXr rev A with Security */
+#define PVR_405EXR2_RA	0x12911471 /* 405EXr rev A without Security */
+#define PVR_405EX1_RA	0x12911477 /* 405EX rev A with Security */
+#define PVR_405EX2_RA	0x12911475 /* 405EX rev A without Security */
 #define PVR_440GP_RB	0x40120440
 #define PVR_440GP_RC	0x40120481
 #define PVR_440EP_RA	0x42221850
diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h
index 464f6b5..bd9b6f7 100644
--- a/include/asm-ppc/u-boot.h
+++ b/include/asm-ppc/u-boot.h
@@ -84,6 +84,7 @@
     defined(CONFIG_405CR) || \
     defined(CONFIG_405EP) || \
     defined(CONFIG_405EZ) || \
+    defined(CONFIG_405EX) || \
     defined(CONFIG_440)
 	unsigned char	bi_s_version[4];	/* Version of this structure */
 	unsigned char	bi_r_version[32];	/* Version of the ROM (AMCC) */
diff --git a/include/common.h b/include/common.h
index aca281b..9865591 100644
--- a/include/common.h
+++ b/include/common.h
@@ -266,7 +266,7 @@
     int	   pci_pre_init	       (struct pci_controller * );
 #endif
 
-#if defined(CONFIG_PCI) && defined(CONFIG_440)
+#if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX))
 #   if defined(CFG_PCI_TARGET_INIT)
 	void	pci_target_init	     (struct pci_controller *);
 #   endif
@@ -274,7 +274,7 @@
 	void	pci_master_init	     (struct pci_controller *);
 #   endif
     int	    is_pci_host		(struct pci_controller *);
-#if defined(CONFIG_440SPE)
+#if defined(CONFIG_440SPE) || defined(CONFIG_405EX)
    void pcie_setup_hoses(int busno);
 #endif
 #endif
diff --git a/include/ppc405.h b/include/ppc405.h
index 0c7bf3e..82bc25e 100644
--- a/include/ppc405.h
+++ b/include/ppc405.h
@@ -123,6 +123,40 @@
 #define uicvr        (UIC_DCR_BASE+0x7)  /* UIC vector                       */
 #define uicvcr       (UIC_DCR_BASE+0x8)  /* UIC vector configuration         */
 
+#if defined(CONFIG_405EX)
+#define uic0sr        uicsr		/* UIC status            */
+#define uic0srs       uicsrs		/* UIC status set        */
+#define uic0er        uicer		/* UIC enable            */
+#define uic0cr        uiccr		/* UIC critical          */
+#define uic0pr        uicpr		/* UIC polarity          */
+#define uic0tr        uictr		/* UIC triggering        */
+#define uic0msr       uicmsr		/* UIC masked status     */
+#define uic0vr        uicvr		/* UIC vector            */
+#define uic0vcr       uicvcr		/* UIC vector configuration*/
+
+#define UIC_DCR_BASE1 0xd0
+#define uic1sr        (UIC_DCR_BASE1+0x0)  /* UIC status            */
+#define uic1srs       (UIC_DCR_BASE1+0x1)  /* UIC status set        */
+#define uic1er        (UIC_DCR_BASE1+0x2)  /* UIC enable            */
+#define uic1cr        (UIC_DCR_BASE1+0x3)  /* UIC critical          */
+#define uic1pr        (UIC_DCR_BASE1+0x4)  /* UIC polarity          */
+#define uic1tr        (UIC_DCR_BASE1+0x5)  /* UIC triggering        */
+#define uic1msr       (UIC_DCR_BASE1+0x6)  /* UIC masked status     */
+#define uic1vr        (UIC_DCR_BASE1+0x7)  /* UIC vector            */
+#define uic1vcr       (UIC_DCR_BASE1+0x8)  /* UIC vector configuration*/
+
+#define UIC_DCR_BASE2 0xe0
+#define uic2sr        (UIC_DCR_BASE2+0x0)  /* UIC status            */
+#define uic2srs       (UIC_DCR_BASE2+0x1)  /* UIC status set        */
+#define uic2er        (UIC_DCR_BASE2+0x2)  /* UIC enable            */
+#define uic2cr        (UIC_DCR_BASE2+0x3)  /* UIC critical          */
+#define uic2pr        (UIC_DCR_BASE2+0x4)  /* UIC polarity          */
+#define uic2tr        (UIC_DCR_BASE2+0x5)  /* UIC triggering        */
+#define uic2msr       (UIC_DCR_BASE2+0x6)  /* UIC masked status     */
+#define uic2vr        (UIC_DCR_BASE2+0x7)  /* UIC vector            */
+#define uic2vcr       (UIC_DCR_BASE2+0x8)  /* UIC vector configuration*/
+#endif
+
 /*-----------------------------------------------------------------------------+
 |  Universal interrupt controller interrupts
 +-----------------------------------------------------------------------------*/
@@ -166,6 +200,116 @@
 #define UIC_EXT3	0x00000002	/* External  interrupt 3	*/
 #define UIC_EXT4	0x00000001	/* External  interrupt 4	*/
 
+#elif defined(CONFIG_405EX)
+
+/* UIC 0 */
+#define UIC_U0			0x80000000      /* */
+#define UIC_U1			0x40000000      /* */
+#define UIC_IIC0		0x20000000      /* */
+#define UIC_PKA			0x10000000      /* */
+#define UIC_TRNG		0x08000000      /* */
+#define UIC_EBM			0x04000000      /* */
+#define UIC_BGI			0x02000000      /* */
+#define UIC_IIC1		0x01000000      /* */
+#define UIC_SPI			0x00800000      /* */
+#define UIC_EIRQ0		0x00400000      /**/
+#define UIC_MTE			0x00200000      /*MAL Tx EOB */
+#define UIC_MRE			0x00100000      /*MAL Rx EOB */
+#define UIC_DMA0		0x00080000      /* */
+#define UIC_DMA1		0x00040000      /* */
+#define UIC_DMA2		0x00020000      /* */
+#define UIC_DMA3		0x00010000      /* */
+#define UIC_PCIE0AL		0x00008000      /* */
+#define UIC_PCIE0VPD		0x00004000      /* */
+#define UIC_RPCIE0HRST		0x00002000      /* */
+#define UIC_FPCIE0HRST		0x00001000      /* */
+#define UIC_PCIE0TCR		0x00000800      /* */
+#define UIC_PCIEMSI0		0x00000400      /* */
+#define UIC_PCIEMSI1		0x00000200      /* */
+#define UIC_SECURITY		0x00000100      /* */
+#define UIC_ENET		0x00000080      /* */
+#define UIC_ENET1		0x00000040      /* */
+#define UIC_PCIEMSI2		0x00000020      /* */
+#define UIC_EIRQ4		0x00000010      /**/
+#define UIC_UIC2NC		0x00000008      /* */
+#define UIC_UIC2C		0x00000004      /* */
+#define UIC_UIC1NC		0x00000002      /* */
+#define UIC_UIC1C		0x00000001      /* */
+
+#define UIC_MAL_TXEOB 		UIC_MTE/* MAL TXEOB                          */
+#define UIC_MAL_RXEOB 		UIC_MRE/* MAL RXEOB                          */
+/* UIC 1 */
+#define UIC_MS			0x80000000      /* MAL SERR */
+#define UIC_MTDE		0x40000000      /* MAL TXDE */
+#define UIC_MRDE		0x20000000      /* MAL RXDE */
+#define UIC_PCIE0BMVC0		0x10000000      /* */
+#define UIC_PCIE0DCRERR		0x08000000      /* */
+#define UIC_EBC			0x04000000      /* */
+#define UIC_NDFC		0x02000000      /* */
+#define UIC_PCEI1DCRERR		0x01000000      /* */
+#define UIC_GPTCMPT8		0x00800000      /* */
+#define UIC_GPTCMPT9		0x00400000      /* */
+#define UIC_PCIE1AL		0x00200000      /* */
+#define UIC_PCIE1VPD		0x00100000      /* */
+#define UIC_RPCE1HRST		0x00080000      /* */
+#define UIC_FPCE1HRST		0x00040000      /* */
+#define UIC_PCIE1TCR		0x00020000      /* */
+#define UIC_PCIE1VC0		0x00010000      /* */
+#define UIC_GPTCMPT3		0x00008000      /* */
+#define UIC_GPTCMPT4		0x00004000      /* */
+#define UIC_EIRQ7		0x00002000      /* */
+#define UIC_EIRQ8		0x00001000      /* */
+#define UIC_EIRQ9		0x00000800      /* */
+#define UIC_GPTCMP5		0x00000400      /* */
+#define UIC_GPTCMP6		0x00000200      /* */
+#define UIC_GPTCMP7		0x00000100      /* */
+#define UIC_SROM		0x00000080      /* SERIAL ROM*/
+#define UIC_GPTDECPULS		0x00000040      /* GPT Decrement pulse*/
+#define UIC_EIRQ2		0x00000020      /* */
+#define UIC_EIRQ5		0x00000010      /* */
+#define UIC_EIRQ6		0x00000008      /* */
+#define UIC_EMAC0WAKE		0x00000004      /* */
+#define UIC_EIRQ1		0x00000002      /* */
+#define UIC_EMAC1WAKE		0x00000001      /* */
+#define UIC_MAL_SERR		UIC_MS 		/* MAL SERR     */
+#define UIC_MAL_TXDE		UIC_MTDE		/* MAL TXDE     */
+#define UIC_MAL_RXDE		UIC_MRDE 		/* MAL RXDE     */
+/* UIC 2 */
+#define UIC_PCIE0INTA		0x80000000      /* PCIE0 INTA*/
+#define UIC_PCIE0INTB		0x40000000      /* PCIE0 INTB*/
+#define UIC_PCIE0INTC		0x20000000      /* PCIE0 INTC*/
+#define UIC_PCIE0INTD		0x10000000      /* PCIE0 INTD*/
+#define UIC_EIRQ3		0x08000000      /* External IRQ 3*/
+#define UIC_DDRMCUE		0x04000000      /* */
+#define UIC_DDRMCCE		0x02000000      /* */
+#define UIC_MALINTCOATX0	0x01000000      /* Interrupt coalecence TX0*/
+#define UIC_MALINTCOATX1	0x00800000      /* Interrupt coalecence TX1*/
+#define UIC_MALINTCOARX0	0x00400000      /* Interrupt coalecence RX0*/
+#define UIC_MALINTCOARX1	0x00200000      /* Interrupt coalecence RX1*/
+#define UIC_PCIE1INTA		0x00100000      /* PCIE0 INTA*/
+#define UIC_PCIE1INTB		0x00080000      /* PCIE0 INTB*/
+#define UIC_PCIE1INTC		0x00040000      /* PCIE0 INTC*/
+#define UIC_PCIE1INTD		0x00020000      /* PCIE0 INTD*/
+#define UIC_RPCIEMSI2		0x00010000      /* MSI level 2 Note this looks same as uic0-26*/
+#define UIC_PCIEMSI3		0x00008000      /* MSI level 2*/
+#define UIC_PCIEMSI4		0x00004000      /* MSI level 2*/
+#define UIC_PCIEMSI5		0x00002000      /* MSI level 2*/
+#define UIC_PCIEMSI6		0x00001000      /* MSI level 2*/
+#define UIC_PCIEMSI7		0x00000800      /* MSI level 2*/
+#define UIC_PCIEMSI8		0x00000400      /* MSI level 2*/
+#define UIC_PCIEMSI9		0x00000200      /* MSI level 2*/
+#define UIC_PCIEMSI10		0x00000100      /* MSI level 2*/
+#define UIC_PCIEMSI11		0x00000080      /* MSI level 2*/
+#define UIC_PCIEMSI12		0x00000040      /* MSI level 2*/
+#define UIC_PCIEMSI13		0x00000020      /* MSI level 2*/
+#define UIC_PCIEMSI14		0x00000010      /* MSI level 2*/
+#define UIC_PCIEMSI15		0x00000008      /* MSI level 2*/
+#define UIC_PLB4XAHB		0x00000004      /* PLBxAHB bridge*/
+#define UIC_USBWAKE		0x00000002      /* USB wakup*/
+#define UIC_USBOTG		0x00000001      /*  USB OTG*/
+#define UIC_ETH0	UIC_ENET
+#define UIC_ETH1	UIC_ENET1
+
 #else	/* !defined(CONFIG_405EZ) */
 
 #define UIC_UART0     0x80000000      /* UART 0                             */
@@ -256,7 +400,11 @@
 /******************************************************************************
  * Power Management
  ******************************************************************************/
+#ifdef CONFIG_405EX
+#define POWERMAN_DCR_BASE 0xb0
+#else
 #define POWERMAN_DCR_BASE 0xb8
+#endif
 #define cpmsr (POWERMAN_DCR_BASE+0x0) /* Power management status             */
 #define cpmer (POWERMAN_DCR_BASE+0x1) /* Power management enable             */
 #define cpmfr (POWERMAN_DCR_BASE+0x2) /* Power management force              */
@@ -561,16 +709,6 @@
 #define VCO_MIN     500
 #define VCO_MAX     1000
 #elif defined(CONFIG_405EZ)
-/******************************************************************************
- * SDR Registers
- ******************************************************************************/
-#define SDR_DCR_BASE 0x0E
-#define sdrcfga (SDR_DCR_BASE+0x0)	/* ADDR */
-#define sdrcfgd (SDR_DCR_BASE+0x1)	/* Data */
-
-#define mtsdr(reg, data)	do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); } while (0)
-#define mfsdr(reg, data)	do { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); } while (0)
-
 #define sdrnand0	0x4000
 #define sdrultra0	0x4040
 #define sdrultra1	0x4050
@@ -1214,6 +1352,25 @@
 #define GPIO1_ISR3L		(GPIO1_BASE+0x40)
 #define GPIO1_ISR3H		(GPIO1_BASE+0x44)
 
+#elif defined(CONFIG_405EX)
+#define GPIO_BASE  0xEF600800
+#define GPIO0_OR               (GPIO_BASE+0x0)
+#define GPIO0_TCR              (GPIO_BASE+0x4)
+#define GPIO0_OSRL             (GPIO_BASE+0x8)
+#define GPIO0_OSRH             (GPIO_BASE+0xC)
+#define GPIO0_TSRL             (GPIO_BASE+0x10)
+#define GPIO0_TSRH             (GPIO_BASE+0x14)
+#define GPIO0_ODR              (GPIO_BASE+0x18)
+#define GPIO0_IR               (GPIO_BASE+0x1C)
+#define GPIO0_RR1              (GPIO_BASE+0x20)
+#define GPIO0_RR2              (GPIO_BASE+0x24)
+#define GPIO0_ISR1L            (GPIO_BASE+0x30)
+#define GPIO0_ISR1H            (GPIO_BASE+0x34)
+#define GPIO0_ISR2L            (GPIO_BASE+0x38)
+#define GPIO0_ISR2H            (GPIO_BASE+0x3C)
+#define GPIO0_ISR3L            (GPIO_BASE+0x40)
+#define GPIO0_ISR3H            (GPIO_BASE+0x44)
+
 #else	/* !405EZ */
 
 #define GPIO_BASE  0xEF600700
@@ -1234,33 +1391,489 @@
 
 #endif /* CONFIG_405EZ */
 
-/*
- * Macro for accessing the indirect EBC register
- */
-#define mtebc(reg, data)  mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
-#define mfebc(reg, data)  mtdcr(ebccfga,reg);data = mfdcr(ebccfgd)
+#if defined(CONFIG_405EX)
+#define SDR0_SRST		0x0200
 
-#define mtsdram(reg, data)	do { mtdcr(memcfga,reg);mtdcr(memcfgd,data); } while (0)
-#define mfsdram(reg, data)	do { mtdcr(memcfga,reg);data = mfdcr(memcfgd); } while (0)
+#define SDRAM_BESR0	0x00
+#define SDRAM_BEARL	0x02
+#define SDRAM_BEARU	0x03
+#define SDRAM_WMIRQ	0x06	/**/
+#define SDRAM_PLBOPT	0x08	/**/
+#define SDRAM_PUABA	0x09	/**/
+#define SDRAM_MCSTAT    0x1F    /* memory controller status           */
+#define SDRAM_MCOPT1    0x20    /* memory controller options 1        */
+#define SDRAM_MCOPT2    0x21    /* memory controller options 2        */
+#define SDRAM_MODT0     0x22    /* on die termination for bank 0      */
+#define SDRAM_MODT1     0x23    /* on die termination for bank 1      */
+#define SDRAM_MODT2     0x24    /* on die termination for bank 2      */
+#define SDRAM_MODT3     0x25    /* on die termination for bank 3      */
+#define SDRAM_CODT      0x26    /* on die termination for controller  */
+#define SDRAM_VVPR      0x27    /* variable VRef programmming         */
+#define SDRAM_OPARS     0x28    /* on chip driver control setup       */
+#define SDRAM_OPART     0x29    /* on chip driver control trigger     */
+#define SDRAM_RTR       0x30    /* refresh timer                      */
+#define SDRAM_PMIT      0x34    /* power management idle timer        */
+#define SDRAM_MB0CF     0x40    /* memory bank 0 configuration        */
+#define SDRAM_MB1CF     0x44    /* memory bank 1 configuration        */
+#define SDRAM_MB2CF     0x48    /* memory bank 2 configuration        */
+#define SDRAM_MB3CF     0x4C    /* memory bank 3 configuration        */
+#define SDRAM_INITPLR0  0x50    /* manual initialization control      */
+#define SDRAM_INITPLR1  0x51    /* manual initialization control      */
+#define SDRAM_INITPLR2  0x52    /* manual initialization control      */
+#define SDRAM_INITPLR3  0x53    /* manual initialization control      */
+#define SDRAM_INITPLR4  0x54    /* manual initialization control      */
+#define SDRAM_INITPLR5  0x55    /* manual initialization control      */
+#define SDRAM_INITPLR6  0x56    /* manual initialization control      */
+#define SDRAM_INITPLR7  0x57    /* manual initialization control      */
+#define SDRAM_INITPLR8  0x58    /* manual initialization control      */
+#define SDRAM_INITPLR9  0x59    /* manual initialization control      */
+#define SDRAM_INITPLR10 0x5a    /* manual initialization control      */
+#define SDRAM_INITPLR11 0x5b    /* manual initialization control      */
+#define SDRAM_INITPLR12 0x5c    /* manual initialization control      */
+#define SDRAM_INITPLR13 0x5d    /* manual initialization control      */
+#define SDRAM_INITPLR14 0x5e    /* manual initialization control      */
+#define SDRAM_INITPLR15 0x5f    /* manual initialization control      */
+#define SDRAM_RQDC      0x70    /* read DQS delay control             */
+#define SDRAM_RFDC      0x74    /* read feedback delay control        */
+#define SDRAM_RDCC      0x78    /* read data capture control          */
+#define SDRAM_DLCR      0x7A    /* delay line calibration             */
+#define SDRAM_CLKTR     0x80    /* DDR clock timing                   */
+#define SDRAM_WRDTR     0x81    /* write data, DQS, DM clock, timing  */
+#define SDRAM_SDTR1     0x85    /* DDR SDRAM timing 1                 */
+#define SDRAM_SDTR2     0x86    /* DDR SDRAM timing 2                 */
+#define SDRAM_SDTR3     0x87    /* DDR SDRAM timing 3                 */
+#define SDRAM_MMODE     0x88    /* memory mode                        */
+#define SDRAM_MEMODE    0x89    /* memory extended mode               */
+#define SDRAM_ECCCR     0x98    /* ECC error status                   */
+#define SDRAM_RID       0xF8    /* revision ID                        */
+
+/*-----------------------------------------------------------------------------+
+|  Memory Bank 0-7 configuration
++-----------------------------------------------------------------------------*/
+#define SDRAM_RXBAS_SDSZ_4         0x00000000      /*   4M                    */
+#define SDRAM_RXBAS_SDSZ_8         0x00001000      /*   8M                    */
+#define SDRAM_RXBAS_SDSZ_16        0x00002000      /*  16M                    */
+#define SDRAM_RXBAS_SDSZ_32        0x00003000      /*  32M                    */
+#define SDRAM_RXBAS_SDSZ_64        0x00004000      /*  64M                    */
+#define SDRAM_RXBAS_SDSZ_128       0x00005000      /* 128M                    */
+#define SDRAM_RXBAS_SDSZ_256       0x00006000      /* 256M                    */
+#define SDRAM_RXBAS_SDSZ_512       0x00007000      /* 512M                    */
+#define SDRAM_RXBAS_SDSZ_1024      0x00008000      /* 1024M                   */
+#define SDRAM_RXBAS_SDSZ_2048      0x00009000      /* 2048M                   */
+#define SDRAM_RXBAS_SDSZ_4096      0x0000a000      /* 4096M                   */
+#define SDRAM_RXBAS_SDSZ_8192      0x0000b000      /* 8192M                   */
+
+/*-----------------------------------------------------------------------------+
+|  Memory Controller Status
++-----------------------------------------------------------------------------*/
+#define SDRAM_MCSTAT_MIC_MASK       0x80000000  /* Memory init status mask    */
+#define   SDRAM_MCSTAT_MIC_NOTCOMP  0x00000000  /* Mem init not complete      */
+#define   SDRAM_MCSTAT_MIC_COMP     0x80000000  /* Mem init complete          */
+#define SDRAM_MCSTAT_SRMS_MASK      0x80000000  /* Mem self refresh stat mask */
+#define   SDRAM_MCSTAT_SRMS_NOT_SF  0x00000000  /* Mem not in self refresh    */
+#define   SDRAM_MCSTAT_SRMS_SF      0x80000000  /* Mem in self refresh        */
+
+/*-----------------------------------------------------------------------------+
+|  Memory Controller Options 1
++-----------------------------------------------------------------------------*/
+#define SDRAM_MCOPT1_MCHK_MASK       0x30000000 /* Memory data err check mask */
+#define   SDRAM_MCOPT1_MCHK_NON      0x00000000 /* No ECC generation          */
+#define   SDRAM_MCOPT1_MCHK_GEN      0x20000000 /* ECC generation             */
+#define   SDRAM_MCOPT1_MCHK_CHK      0x10000000 /* ECC generation and check   */
+#define   SDRAM_MCOPT1_MCHK_CHK_REP  0x30000000 /* ECC generation, chk, report*/
+#define   SDRAM_MCOPT1_MCHK_CHK_DECODE(n)  ((((unsigned long)(n))>>28)&0x3)
+#define SDRAM_MCOPT1_RDEN_MASK       0x08000000 /* Registered DIMM mask       */
+#define   SDRAM_MCOPT1_RDEN          0x08000000 /* Registered DIMM enable     */
+#define SDRAM_MCOPT1_PMU_MASK        0x06000000 /* Page management unit mask  */
+#define   SDRAM_MCOPT1_PMU_CLOSE     0x00000000 /* PMU Close                  */
+#define   SDRAM_MCOPT1_PMU_OPEN      0x04000000 /* PMU Open                   */
+#define   SDRAM_MCOPT1_PMU_AUTOCLOSE 0x02000000 /* PMU AutoClose              */
+#define SDRAM_MCOPT1_DMWD_MASK       0x01000000 /* DRAM width mask            */
+#define   SDRAM_MCOPT1_DMWD_32       0x00000000 /* 32 bits                    */
+#define   SDRAM_MCOPT1_DMWD_64       0x01000000 /* 64 bits                    */
+#define SDRAM_MCOPT1_UIOS_MASK       0x00C00000 /* Unused IO State            */
+#define SDRAM_MCOPT1_BCNT_MASK       0x00200000 /* Bank count                 */
+#define   SDRAM_MCOPT1_4_BANKS       0x00000000 /* 4 Banks                    */
+#define   SDRAM_MCOPT1_8_BANKS       0x00200000 /* 8 Banks                    */
+#define SDRAM_MCOPT1_DDR_TYPE_MASK   0x00100000 /* DDR Memory Type mask       */
+#define   SDRAM_MCOPT1_DDR1_TYPE     0x00000000 /* DDR1 Memory Type           */
+#define   SDRAM_MCOPT1_DDR2_TYPE     0x00100000 /* DDR2 Memory Type           */
+#define   SDRAM_MCOPT1_QDEP          0x00020000 /* 4 commands deep            */
+#define SDRAM_MCOPT1_RWOO_MASK       0x00008000 /* Out of Order Read mask     */
+#define   SDRAM_MCOPT1_RWOO_DISABLED 0x00000000 /* disabled                   */
+#define   SDRAM_MCOPT1_RWOO_ENABLED  0x00008000 /* enabled                    */
+#define SDRAM_MCOPT1_WOOO_MASK       0x00004000 /* Out of Order Write mask    */
+#define   SDRAM_MCOPT1_WOOO_DISABLED 0x00000000 /* disabled                   */
+#define   SDRAM_MCOPT1_WOOO_ENABLED  0x00004000 /* enabled                    */
+#define SDRAM_MCOPT1_DCOO_MASK       0x00002000 /* All Out of Order mask      */
+#define   SDRAM_MCOPT1_DCOO_DISABLED 0x00002000 /* disabled                   */
+#define   SDRAM_MCOPT1_DCOO_ENABLED  0x00000000 /* enabled                    */
+#define SDRAM_MCOPT1_DREF_MASK       0x00001000 /* Deferred refresh mask      */
+#define   SDRAM_MCOPT1_DREF_NORMAL   0x00000000 /* normal refresh             */
+#define   SDRAM_MCOPT1_DREF_DEFER_4  0x00001000 /* defer up to 4 refresh cmd  */
+
+/*-----------------------------------------------------------------------------+
+|  Memory Controller Options 2
++-----------------------------------------------------------------------------*/
+#define SDRAM_MCOPT2_SREN_MASK        0x80000000 /* Self Test mask            */
+#define   SDRAM_MCOPT2_SREN_EXIT      0x00000000 /* Self Test exit            */
+#define   SDRAM_MCOPT2_SREN_ENTER     0x80000000 /* Self Test enter           */
+#define SDRAM_MCOPT2_PMEN_MASK        0x40000000 /* Power Management mask     */
+#define   SDRAM_MCOPT2_PMEN_DISABLE   0x00000000 /* disable                   */
+#define   SDRAM_MCOPT2_PMEN_ENABLE    0x40000000 /* enable                    */
+#define SDRAM_MCOPT2_IPTR_MASK        0x20000000 /* Init Trigger Reg mask     */
+#define   SDRAM_MCOPT2_IPTR_IDLE      0x00000000 /* idle                      */
+#define   SDRAM_MCOPT2_IPTR_EXECUTE   0x20000000 /* execute preloaded init    */
+#define SDRAM_MCOPT2_XSRP_MASK        0x10000000 /* Exit Self Refresh Prevent */
+#define   SDRAM_MCOPT2_XSRP_ALLOW     0x00000000 /* allow self refresh exit   */
+#define   SDRAM_MCOPT2_XSRP_PREVENT   0x10000000 /* prevent self refresh exit */
+#define SDRAM_MCOPT2_DCEN_MASK        0x08000000 /* SDRAM Controller Enable   */
+#define   SDRAM_MCOPT2_DCEN_DISABLE   0x00000000 /* SDRAM Controller Enable   */
+#define   SDRAM_MCOPT2_DCEN_ENABLE    0x08000000 /* SDRAM Controller Enable   */
+#define SDRAM_MCOPT2_ISIE_MASK        0x04000000 /* Init Seq Interruptable mas*/
+#define   SDRAM_MCOPT2_ISIE_DISABLE   0x00000000 /* disable                   */
+#define   SDRAM_MCOPT2_ISIE_ENABLE    0x04000000 /* enable                    */
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Refresh Timer Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_RTR_RINT_MASK       0xFFF80000
+#define   SDRAM_RTR_RINT_ENCODE(n)  ((((unsigned long)(n))&0xFFF8)<<16)
+#define   SDRAM_RTR_RINT_DECODE(n)  ((((unsigned long)(n))>>16)&0xFFF8)
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Read DQS Delay Control Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_RQDC_RQDE_MASK        0x80000000
+#define   SDRAM_RQDC_RQDE_DISABLE   0x00000000
+#define   SDRAM_RQDC_RQDE_ENABLE    0x80000000
+#define SDRAM_RQDC_RQFD_MASK        0x000001FF
+#define   SDRAM_RQDC_RQFD_ENCODE(n) ((((unsigned long)(n))&0x1FF)<<0)
+
+#define SDRAM_RQDC_RQFD_MAX         0xFF
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Read Data Capture Control Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_RDCC_RDSS_MASK        0xC0000000
+#define   SDRAM_RDCC_RDSS_T1        0x00000000
+#define   SDRAM_RDCC_RDSS_T2        0x40000000
+#define   SDRAM_RDCC_RDSS_T3        0x80000000
+#define   SDRAM_RDCC_RDSS_T4        0xC0000000
+#define SDRAM_RDCC_RSAE_MASK        0x00000001
+#define   SDRAM_RDCC_RSAE_DISABLE   0x00000001
+#define   SDRAM_RDCC_RSAE_ENABLE    0x00000000
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Read Feedback Delay Control Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_RFDC_ARSE_MASK        0x80000000
+#define   SDRAM_RFDC_ARSE_DISABLE   0x80000000
+#define   SDRAM_RFDC_ARSE_ENABLE    0x00000000
+#define SDRAM_RFDC_RFOS_MASK        0x007F0000
+#define   SDRAM_RFDC_RFOS_ENCODE(n) ((((unsigned long)(n))&0x7F)<<16)
+#define SDRAM_RFDC_RFFD_MASK        0x000003FF
+#define   SDRAM_RFDC_RFFD_ENCODE(n) ((((unsigned long)(n))&0x3FF)<<0)
+
+#define SDRAM_RFDC_RFFD_MAX         0x4FF
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Delay Line Calibration Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_DLCR_DCLM_MASK          0x80000000
+#define   SDRAM_DLCR_DCLM_MANUEL      0x80000000
+#define   SDRAM_DLCR_DCLM_AUTO        0x00000000
+#define SDRAM_DLCR_DLCR_MASK          0x08000000
+#define   SDRAM_DLCR_DLCR_CALIBRATE   0x08000000
+#define   SDRAM_DLCR_DLCR_IDLE        0x00000000
+#define SDRAM_DLCR_DLCS_MASK          0x07000000
+#define   SDRAM_DLCR_DLCS_NOT_RUN     0x00000000
+#define   SDRAM_DLCR_DLCS_IN_PROGRESS 0x01000000
+#define   SDRAM_DLCR_DLCS_COMPLETE    0x02000000
+#define   SDRAM_DLCR_DLCS_CONT_DONE   0x03000000
+#define   SDRAM_DLCR_DLCS_ERROR       0x04000000
+#define SDRAM_DLCR_DLCV_MASK          0x000001FF
+#define   SDRAM_DLCR_DLCV_ENCODE(n) ((((unsigned long)(n))&0x1FF)<<0)
+#define   SDRAM_DLCR_DLCV_DECODE(n) ((((unsigned long)(n))>>0)&0x1FF)
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Controller On Die Termination Register
++-----------------------------------------------------------------------------*/
+#define   SDRAM_CODT_ODT_ON                   0x80000000
+#define   SDRAM_CODT_ODT_OFF                  0x00000000
+#define SDRAM_CODT_DQS_VOLTAGE_DDR_MASK       0x00000020
+#define   SDRAM_CODT_DQS_2_5_V_DDR1           0x00000000
+#define   SDRAM_CODT_DQS_1_8_V_DDR2           0x00000020
+#define SDRAM_CODT_DQS_MASK                   0x00000010
+#define   SDRAM_CODT_DQS_DIFFERENTIAL         0x00000000
+#define   SDRAM_CODT_DQS_SINGLE_END           0x00000010
+#define   SDRAM_CODT_CKSE_DIFFERENTIAL         	0x00000000
+#define   SDRAM_CODT_CKSE_SINGLE_END           	0x00000008
+#define   SDRAM_CODT_FEEBBACK_RCV_SINGLE_END  0x00000004
+#define   SDRAM_CODT_FEEBBACK_DRV_SINGLE_END  0x00000002
+#define   SDRAM_CODT_IO_HIZ  					0x00000000
+#define   SDRAM_CODT_IO_NMODE  					0x00000001
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Mode Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_MMODE_WR_MASK              0x00000E00
+#define   SDRAM_MMODE_WR_DDR1            0x00000000
+#define   SDRAM_MMODE_WR_DDR2_3_CYC      0x00000400
+#define   SDRAM_MMODE_WR_DDR2_4_CYC      0x00000600
+#define   SDRAM_MMODE_WR_DDR2_5_CYC      0x00000800
+#define   SDRAM_MMODE_WR_DDR2_6_CYC      0x00000A00
+#define SDRAM_MMODE_DCL_MASK             0x00000070
+#define   SDRAM_MMODE_DCL_DDR1_2_0_CLK   0x00000020
+#define   SDRAM_MMODE_DCL_DDR1_2_5_CLK   0x00000060
+#define   SDRAM_MMODE_DCL_DDR1_3_0_CLK   0x00000030
+#define   SDRAM_MMODE_DCL_DDR2_2_0_CLK   0x00000020
+#define   SDRAM_MMODE_DCL_DDR2_3_0_CLK   0x00000030
+#define   SDRAM_MMODE_DCL_DDR2_4_0_CLK   0x00000040
+#define   SDRAM_MMODE_DCL_DDR2_5_0_CLK   0x00000050
+#define   SDRAM_MMODE_DCL_DDR2_6_0_CLK   0x00000060
+#define   SDRAM_MMODE_DCL_DDR2_7_0_CLK   0x00000070
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Extended Mode Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_MEMODE_DIC_MASK            0x00000002
+#define   SDRAM_MEMODE_DIC_NORMAL        0x00000000
+#define   SDRAM_MEMODE_DIC_WEAK          0x00000002
+#define SDRAM_MEMODE_DLL_MASK            0x00000001
+#define   SDRAM_MEMODE_DLL_DISABLE       0x00000001
+#define   SDRAM_MEMODE_DLL_ENABLE        0x00000000
+#define SDRAM_MEMODE_RTT_MASK 		     0x00000044
+#define   SDRAM_MEMODE_RTT_DISABLED      0x00000000
+#define   SDRAM_MEMODE_RTT_75OHM         0x00000004
+#define   SDRAM_MEMODE_RTT_150OHM        0x00000040
+#define SDRAM_MEMODE_DQS_MASK            0x00000400
+#define   SDRAM_MEMODE_DQS_DISABLE       0x00000400
+#define   SDRAM_MEMODE_DQS_ENABLE        0x00000000
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Clock Timing Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_CLKTR_CLKP_MASK            0xC0000000
+#define   SDRAM_CLKTR_CLKP_0_DEG         0x00000000
+#define   SDRAM_CLKTR_CLKP_180_DEG_ADV   0x80000000
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM Write Timing Register
++-----------------------------------------------------------------------------*/
+#define SDRAM_WRDTR_WDTP_1_CYC		 0x80000000
+#define SDRAM_WRDTR_LLWP_MASK            0x10000000
+#define   SDRAM_WRDTR_LLWP_DIS           0x10000000
+#define   SDRAM_WRDTR_LLWP_1_CYC         0x00000000
+#define SDRAM_WRDTR_WTR_MASK             0x0E000000
+#define   SDRAM_WRDTR_WTR_0_DEG          0x06000000
+#define   SDRAM_WRDTR_WTR_180_DEG_ADV    0x02000000
+#define   SDRAM_WRDTR_WTR_270_DEG_ADV    0x00000000
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM SDTR1 Options
++-----------------------------------------------------------------------------*/
+#define SDRAM_SDTR1_LDOF_MASK        0x80000000
+#define   SDRAM_SDTR1_LDOF_1_CLK     0x00000000
+#define   SDRAM_SDTR1_LDOF_2_CLK     0x80000000
+#define SDRAM_SDTR1_RTW_MASK         0x00F00000
+#define   SDRAM_SDTR1_RTW_2_CLK      0x00200000
+#define   SDRAM_SDTR1_RTW_3_CLK      0x00300000
+#define SDRAM_SDTR1_WTWO_MASK        0x000F0000
+#define   SDRAM_SDTR1_WTWO_0_CLK     0x00000000
+#define   SDRAM_SDTR1_WTWO_1_CLK     0x00010000
+#define SDRAM_SDTR1_RTRO_MASK        0x0000F000
+#define   SDRAM_SDTR1_RTRO_1_CLK     0x00000000
+#define   SDRAM_SDTR1_RTRO_2_CLK     0x00002000
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM SDTR2 Options
++-----------------------------------------------------------------------------*/
+#define SDRAM_SDTR2_RCD_MASK         0xF0000000
+#define   SDRAM_SDTR2_RCD_1_CLK      0x10000000
+#define   SDRAM_SDTR2_RCD_2_CLK      0x20000000
+#define   SDRAM_SDTR2_RCD_3_CLK      0x30000000
+#define   SDRAM_SDTR2_RCD_4_CLK      0x40000000
+#define   SDRAM_SDTR2_RCD_5_CLK      0x50000000
+#define SDRAM_SDTR2_WTR_MASK         0x0F000000
+#define   SDRAM_SDTR2_WTR_1_CLK      0x01000000
+#define   SDRAM_SDTR2_WTR_2_CLK      0x02000000
+#define   SDRAM_SDTR2_WTR_3_CLK      0x03000000
+#define   SDRAM_SDTR2_WTR_4_CLK      0x04000000
+#define   SDRAM_SDTR3_WTR_ENCODE(n)  ((((unsigned long)(n))&0xF)<<24)
+#define SDRAM_SDTR2_XSNR_MASK        0x00FF0000
+#define   SDRAM_SDTR2_XSNR_8_CLK     0x00080000
+#define   SDRAM_SDTR2_XSNR_16_CLK    0x00100000
+#define   SDRAM_SDTR2_XSNR_32_CLK    0x00200000
+#define   SDRAM_SDTR2_XSNR_64_CLK    0x00400000
+#define SDRAM_SDTR2_WPC_MASK         0x0000F000
+#define   SDRAM_SDTR2_WPC_2_CLK      0x00002000
+#define   SDRAM_SDTR2_WPC_3_CLK      0x00003000
+#define   SDRAM_SDTR2_WPC_4_CLK      0x00004000
+#define   SDRAM_SDTR2_WPC_5_CLK      0x00005000
+#define   SDRAM_SDTR2_WPC_6_CLK      0x00006000
+#define   SDRAM_SDTR3_WPC_ENCODE(n)  ((((unsigned long)(n))&0xF)<<12)
+#define SDRAM_SDTR2_RPC_MASK         0x00000F00
+#define   SDRAM_SDTR2_RPC_2_CLK      0x00000200
+#define   SDRAM_SDTR2_RPC_3_CLK      0x00000300
+#define   SDRAM_SDTR2_RPC_4_CLK      0x00000400
+#define SDRAM_SDTR2_RP_MASK          0x000000F0
+#define   SDRAM_SDTR2_RP_3_CLK       0x00000030
+#define   SDRAM_SDTR2_RP_4_CLK       0x00000040
+#define   SDRAM_SDTR2_RP_5_CLK       0x00000050
+#define   SDRAM_SDTR2_RP_6_CLK       0x00000060
+#define   SDRAM_SDTR2_RP_7_CLK       0x00000070
+#define SDRAM_SDTR2_RRD_MASK         0x0000000F
+#define   SDRAM_SDTR2_RRD_2_CLK      0x00000002
+#define   SDRAM_SDTR2_RRD_3_CLK      0x00000003
+
+/*-----------------------------------------------------------------------------+
+|  SDRAM SDTR3 Options
++-----------------------------------------------------------------------------*/
+#define SDRAM_SDTR3_RAS_MASK         0x1F000000
+#define   SDRAM_SDTR3_RAS_ENCODE(n)  ((((unsigned long)(n))&0x1F)<<24)
+#define SDRAM_SDTR3_RC_MASK          0x001F0000
+#define   SDRAM_SDTR3_RC_ENCODE(n)   ((((unsigned long)(n))&0x1F)<<16)
+#define SDRAM_SDTR3_XCS_MASK         0x00001F00
+#define SDRAM_SDTR3_XCS              0x00000D00
+#define SDRAM_SDTR3_RFC_MASK         0x0000003F
+#define   SDRAM_SDTR3_RFC_ENCODE(n)  ((((unsigned long)(n))&0x3F)<<0)
+
+/*-----------------------------------------------------------------------------+
+|  Memory Bank 0-1 configuration
++-----------------------------------------------------------------------------*/
+#define SDRAM_BXCF_M_AM_MASK      0x00000F00      /* Addressing mode          */
+#define   SDRAM_BXCF_M_AM_0       0x00000000      /*   Mode 0                 */
+#define   SDRAM_BXCF_M_AM_1       0x00000100      /*   Mode 1                 */
+#define   SDRAM_BXCF_M_AM_2       0x00000200      /*   Mode 2                 */
+#define   SDRAM_BXCF_M_AM_3       0x00000300      /*   Mode 3                 */
+#define   SDRAM_BXCF_M_AM_4       0x00000400      /*   Mode 4                 */
+#define   SDRAM_BXCF_M_AM_5       0x00000500      /*   Mode 5                 */
+#define   SDRAM_BXCF_M_AM_6       0x00000600      /*   Mode 6                 */
+#define   SDRAM_BXCF_M_AM_7       0x00000700      /*   Mode 7                 */
+#define   SDRAM_BXCF_M_AM_8       0x00000800      /*   Mode 8                 */
+#define   SDRAM_BXCF_M_AM_9       0x00000900      /*   Mode 9                 */
+#define SDRAM_BXCF_M_BE_MASK      0x00000001      /* Memory Bank Enable       */
+#define   SDRAM_BXCF_M_BE_DISABLE 0x00000000      /* Memory Bank Enable       */
+#define   SDRAM_BXCF_M_BE_ENABLE  0x00000001      /* Memory Bank Enable       */
+
+#define sdr_uart0	0x0120	/* UART0 Config */
+#define sdr_uart1	0x0121	/* UART1 Config */
+#define sdr_mfr		0x4300	/* SDR0_MFR reg */
+
+/* Defines for CPC0_EPRCSR register */
+#define CPC0_EPRCSR_E0NFE          0x80000000
+#define CPC0_EPRCSR_E1NFE          0x40000000
+#define CPC0_EPRCSR_E1RPP          0x00000080
+#define CPC0_EPRCSR_E0RPP          0x00000040
+#define CPC0_EPRCSR_E1ERP          0x00000020
+#define CPC0_EPRCSR_E0ERP          0x00000010
+#define CPC0_EPRCSR_E1PCI          0x00000002
+#define CPC0_EPRCSR_E0PCI          0x00000001
+
+#define cpr0_clkupd	0x020
+#define cpr0_pllc	0x040
+#define cpr0_plld	0x060
+#define cpr0_cpud	0x080
+#define cpr0_plbd	0x0a0
+#define cpr0_opbd	0x0c0
+#define cpr0_perd	0x0e0
+#define cpr0_ahbd	0x100
+#define cpr0_icfg	0x140
+
+#define SDR_PINSTP	0x0040
+#define sdr_sdcs	0x0060
+
+#define SDR0_SDCS_SDD			(0x80000000 >> 31)
+
+/* CUST0 Customer Configuration Register0 */
+#define SDR0_CUST0                   0x4000
+#define   SDR0_CUST0_MUX_E_N_G_MASK   0xC0000000     /* Mux_Emac_NDFC_GPIO */
+#define   SDR0_CUST0_MUX_EMAC_SEL     0x40000000       /* Emac Selection */
+#define   SDR0_CUST0_MUX_NDFC_SEL     0x80000000       /* NDFC Selection */
+#define   SDR0_CUST0_MUX_GPIO_SEL     0xC0000000       /* GPIO Selection */
+
+#define   SDR0_CUST0_NDFC_EN_MASK     0x20000000     /* NDFC Enable Mask */
+#define   SDR0_CUST0_NDFC_ENABLE      0x20000000       /* NDFC Enable */
+#define   SDR0_CUST0_NDFC_DISABLE     0x00000000       /* NDFC Disable */
+
+#define   SDR0_CUST0_NDFC_BW_MASK     0x10000000     /* NDFC Boot Width */
+#define   SDR0_CUST0_NDFC_BW_16_BIT   0x10000000       /* NDFC Boot Width = 16 Bit */
+#define   SDR0_CUST0_NDFC_BW_8_BIT    0x00000000       /* NDFC Boot Width =  8 Bit */
+
+#define   SDR0_CUST0_NDFC_BP_MASK     0x0F000000     /* NDFC Boot Page */
+#define   SDR0_CUST0_NDFC_BP_ENCODE(n) ((((unsigned long)(n))&0xF)<<24)
+#define   SDR0_CUST0_NDFC_BP_DECODE(n) ((((unsigned long)(n))>>24)&0x0F)
+
+#define   SDR0_CUST0_NDFC_BAC_MASK    0x00C00000     /* NDFC Boot Address Cycle */
+#define   SDR0_CUST0_NDFC_BAC_ENCODE(n) ((((unsigned long)(n))&0x3)<<22)
+#define   SDR0_CUST0_NDFC_BAC_DECODE(n) ((((unsigned long)(n))>>22)&0x03)
+
+#define   SDR0_CUST0_NDFC_ARE_MASK    0x00200000     /* NDFC Auto Read Enable */
+#define   SDR0_CUST0_NDFC_ARE_ENABLE  0x00200000       /* NDFC Auto Read Enable */
+#define   SDR0_CUST0_NDFC_ARE_DISABLE 0x00000000       /* NDFC Auto Read Disable */
+
+#define   SDR0_CUST0_NRB_MASK         0x00100000     /* NDFC Ready / Busy */
+#define   SDR0_CUST0_NRB_BUSY         0x00100000       /* Busy */
+#define   SDR0_CUST0_NRB_READY        0x00000000       /* Ready */
+
+#define   SDR0_CUST0_NDRSC_MASK       0x0000FFF0     /* NDFC Device Reset Count Mask */
+#define   SDR0_CUST0_NDRSC_ENCODE(n) ((((unsigned long)(n))&0xFFF)<<4)
+#define   SDR0_CUST0_NDRSC_DECODE(n) ((((unsigned long)(n))>>4)&0xFFF)
+
+#define   SDR0_CUST0_CHIPSELGAT_MASK  0x0000000F     /* Chip Select Gating Mask */
+#define   SDR0_CUST0_CHIPSELGAT_DIS   0x00000000       /* Chip Select Gating Disable */
+#define   SDR0_CUST0_CHIPSELGAT_ENALL 0x0000000F       /* All Chip Select Gating Enable */
+#define   SDR0_CUST0_CHIPSELGAT_EN0   0x00000008       /* Chip Select0 Gating Enable */
+#define   SDR0_CUST0_CHIPSELGAT_EN1   0x00000004       /* Chip Select1 Gating Enable */
+#define   SDR0_CUST0_CHIPSELGAT_EN2   0x00000002       /* Chip Select2 Gating Enable */
+#define   SDR0_CUST0_CHIPSELGAT_EN3   0x00000001       /* Chip Select3 Gating Enable */
+#endif
+
+/******************************************************************************
+ * SDR Registers
+ ******************************************************************************/
+#define SDR_DCR_BASE	0x0E
+#define sdrcfga		(SDR_DCR_BASE+0x0)
+#define sdrcfgd		(SDR_DCR_BASE+0x1)
+
+#define CPR0_DCR_BASE	0x0C
+#define cprcfga		(CPR0_DCR_BASE+0x0)
+#define cprcfgd		(CPR0_DCR_BASE+0x1)
+
+#define mtcpr(reg, d)	do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,d); } while (0)
+#define mfcpr(reg, d)	do { mtdcr(cprcfga,reg);d = mfdcr(cprcfgd); } while (0)
+
+#define mtsdr(reg, d)	do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,d); } while (0)
+#define mfsdr(reg, d)	do { mtdcr(sdrcfga,reg);d = mfdcr(sdrcfgd); } while (0)
+
+#define mtebc(reg, d)	do { mtdcr(ebccfga,reg);mtdcr(ebccfgd,d); } while (0)
+#define mfebc(reg, d)	do { mtdcr(ebccfga,reg);d = mfdcr(ebccfgd); } while (0)
+
+#define mtsdram(reg, d)	do { mtdcr(memcfga,reg);mtdcr(memcfgd,d); } while (0)
+#define mfsdram(reg, d)	do { mtdcr(memcfga,reg);d = mfdcr(memcfgd); } while (0)
 
 #ifndef __ASSEMBLY__
 
 typedef struct
 {
-  unsigned long pllFwdDiv;
-  unsigned long pllFwdDivB;
-  unsigned long pllFbkDiv;
-  unsigned long pllPlbDiv;
-  unsigned long pllPciDiv;
-  unsigned long pllExtBusDiv;
-  unsigned long pllOpbDiv;
-  unsigned long freqVCOMhz;             /* in MHz                          */
-  unsigned long freqProcessor;
-  unsigned long freqPLB;
-  unsigned long freqPCI;
-  unsigned long pciIntArbEn;            /* Internal PCI arbiter is enabled */
-  unsigned long pciClkSync;             /* PCI clock is synchronous        */
-  unsigned long freqVCOHz;
+	unsigned long pllFwdDiv;
+	unsigned long pllFwdDivB;
+	unsigned long pllFbkDiv;
+	unsigned long pllPlbDiv;
+	unsigned long pllPciDiv;
+	unsigned long pllExtBusDiv;
+	unsigned long pllOpbDiv;
+	unsigned long freqVCOMhz;	/* in MHz                          */
+	unsigned long freqProcessor;
+	unsigned long freqPLB;
+	unsigned long freqPCI;
+	unsigned long pciIntArbEn;	/* Internal PCI arbiter is enabled */
+	unsigned long pciClkSync;	/* PCI clock is synchronous        */
+	unsigned long freqVCOHz;
+	unsigned long freqOPB;
+	unsigned long freqEBC;
+	unsigned long freqDDR;
 } PPC405_SYS_INFO;
 
 #endif  /* _ASMLANGUAGE */
diff --git a/include/ppc440.h b/include/ppc440.h
index 38809f3..e77c4c3 100644
--- a/include/ppc440.h
+++ b/include/ppc440.h
@@ -3345,7 +3345,7 @@
 	unsigned long freqTmrClk;
 	unsigned long freqPLB;
 	unsigned long freqOPB;
-	unsigned long freqEPB;
+	unsigned long freqEBC;
 	unsigned long freqPCI;
 #ifdef CONFIG_440SPE
 	unsigned long freqDDR;
diff --git a/include/ppc4xx_enet.h b/include/ppc4xx_enet.h
index 3d8ca09..76c1d12 100644
--- a/include/ppc4xx_enet.h
+++ b/include/ppc4xx_enet.h
@@ -146,11 +146,12 @@
 #endif
 
 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #define SDR0_PFC1_EM_1000	(0x00200000)
 #endif
 
-/*ZMII Bridge Register addresses */
+/* ZMII Bridge Register addresses */
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 #define ZMII_BASE		(CFG_PERIPHERAL_BASE + 0x0D00)
@@ -202,6 +203,8 @@
 /* RGMII Register Addresses */
 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 #define RGMII_BASE		(CFG_PERIPHERAL_BASE + 0x1000)
+#elif defined(CONFIG_405EX)
+#define RGMII_BASE		(CFG_PERIPHERAL_BASE + 0xB00)
 #else
 #define RGMII_BASE		(CFG_PERIPHERAL_BASE + 0x0790)
 #endif
@@ -223,7 +226,8 @@
 #define RGMII_SSR_SP_100MBPS	(0x02)
 #define RGMII_SSR_SP_1000MBPS	(0x04)
 
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
 #define RGMII_SSR_V(__x)	((__x) * 8)
 #else
 #define RGMII_SSR_V(__x)	((__x -2) * 8)
@@ -304,7 +308,7 @@
 #define EMAC_BASE		(CFG_PERIPHERAL_BASE + 0x0800)
 #endif
 #else
-#if defined(CONFIG_405EZ)
+#if defined(CONFIG_405EZ) || defined(CONFIG_405EX)
 #define EMAC_BASE 		0xEF600900
 #else
 #define EMAC_BASE 		0xEF600800
@@ -338,7 +342,8 @@
 /* on 440GX EMAC_MR1 has a different layout! */
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_405EX)
 /* MODE Reg 1 */
 #define EMAC_M1_FDE		(0x80000000)
 #define EMAC_M1_ILE		(0x40000000)
diff --git a/include/serial.h b/include/serial.h
index 30bfde3..e292f0c 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -22,8 +22,9 @@
 extern struct serial_device serial_scc_device;
 extern struct serial_device * default_serial_console (void);
 
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
-   || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_MPC5xxx)
+#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) || \
+    defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) || \
+    defined(CONFIG_MPC5xxx)
 extern struct serial_device serial0_device;
 extern struct serial_device serial1_device;
 #if defined(CFG_NS16550_SERIAL)