ppc4xx: Add PPC405EX support

Signed-off-by: Stefan Roese <sr@denx.de>

11 files changed, 532 insertions, 100 deletions

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 @@ struct eth_device *emac0_dev = NULL;
 #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 @@ 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) || 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 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
 	}
 
 	/* 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 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
 
 	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 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 }
 #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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 #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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 	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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 #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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 #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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	}
 #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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	/* 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 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		/*
 		 * 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 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 }
 
 
-#if defined (CONFIG_440)
+#if defined (CONFIG_440) || defined(CONFIG_405EX)
 
 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 /*
@@ -1073,7 +1131,8 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 #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 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 	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 @@ 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) || 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 @@ SOBJS	= dcr.o
 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 @@ DECLARE_GLOBAL_DATA_PTR;
 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 @@ int pci_async_enabled(void)
 }
 #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 @@ int pci_arbiter_enabled(void)
 #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 @@ static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', \
 				 '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 @@ int checkcpu (void)
 	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 @@ int checkcpu (void)
 		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 @@ int checkcpu (void)
 	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 @@ int checkcpu (void)
 	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 @@ int checkcpu (void)
 	}
 #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 @@ cpu_init_f (void)
 	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 @@ cpu_init_f (void)
 	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 @@ cpu_init_f (void)
 #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 @@ struct	irq_action {
 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 @@ int interrupt_init_cpu (unsigned *decrementer_count)
 		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 @@ int interrupt_init_cpu (unsigned *decrementer_count)
 	 */
 	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 @@ void uic0_interrupt( void * parms)
 
 #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 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
 	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 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
 	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 @@ void irq_free_handler (int vec)
 	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 @@ void irq_free_handler (int vec)
 		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 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	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 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		}
 	}
 
-#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 @@ unsigned int miiphy_getemac_offset (void)
 
 	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 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr,
 	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 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr,
 
 #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 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 	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 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 
 #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 @@ int board_nand_init(struct nand_chip *nand)
 	 */
 	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 @@ int serial_tstc ()
 /*****************************************************************************/
 #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 @@ int serial_tstc ()
 #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 @@ typedef struct {
 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 @@ int serial_init (void)
 	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 @@ int serial_init (void)
 #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 @@ void get_sys_info (sys_info_t *sysInfo)
 	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 @@ void get_sys_info (sys_info_t * sysInfo)
 	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 @@ void get_sys_info (sys_info_t * sysInfo)
 	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 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
 	 * Determine PLB clock frequency
 	 */
 	sysInfo->freqPLB = sysInfo->freqProcessor / sysInfo->pllPlbDiv;
+
+	sysInfo->freqEBC = sysInfo->freqPLB / sysInfo->pllExtBusDiv;
 }
 
 
@@ -856,6 +858,9 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
 	 */
 	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 @@ ulong get_OPB_freq (void)
 	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 @@ ulong get_bus_freq (ulong dummy)
 
 #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 @@ _start:
 	/*----------------------------------------------------------------------- */
 	/* 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 @@ _start:
 /*****************************************************************************/
 #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 @@ _start:
 	/*----------------------------------------------------------------------- */
 	/* Enable two 128MB cachable regions. */
 	/*----------------------------------------------------------------------- */
-	lis	r4,0x8000
+	lis	r4,0xc000
 	ori	r4,r4,0x0001
 	mticcr	r4			/* instruction cache */
 	isync
@@ -860,12 +871,34 @@ _start:
 	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 @@ start_ram:
 	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 @@ start_ram:
 	/*----------------------------------------------------------------------- */
 	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 @@ icache_enable:
 	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                        */