X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=cpu%2Fppc4xx%2F4xx_enet.c;h=8a3833513e2b21512814a8f872190da66840cb1c;hb=28ac6719108e989429de2b3dfa90312ba7c4d27b;hp=5ef1005b1f01c0d63edd6619bdb691b9bc5371ec;hpb=093e14c52280b4bcc84948bac605ee4d6e87b6e9;p=platform%2Fkernel%2Fu-boot.git

diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 5ef1005..8a38335 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -90,7 +90,6 @@
 #include <405_mal.h>
 #include <miiphy.h>
 #include <malloc.h>
-#include <asm/ppc4xx-intvec.h>
 
 /*
  * Only compile for platform with AMCC EMAC ethernet controller and
@@ -122,11 +121,65 @@
  * Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal
  * Interrupt Controller).
  *-----------------------------------------------------------------------------*/
-#define MAL_UIC_ERR ( UIC_MAL_SERR | UIC_MAL_TXDE  | UIC_MAL_RXDE)
-#define MAL_UIC_DEF  (UIC_MAL_RXEOB | MAL_UIC_ERR)
-#define EMAC_UIC_DEF UIC_ENET
-#define EMAC_UIC_DEF1 UIC_ENET1
-#define SEL_UIC_DEF(p) (p ? UIC_ENET1 : UIC_ENET )
+#define ETH_IRQ_NUM(dev)	(VECNUM_ETH0 + ((dev) * VECNUM_ETH1_OFFS))
+
+#if defined(CONFIG_HAS_ETH3)
+#if !defined(CONFIG_440GX)
+#define UIC_ETHx	(UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
+			 UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
+#else
+/* Unfortunately 440GX spreads EMAC interrupts on multiple UIC's */
+#define UIC_ETHx	(UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
+#define UIC_ETHxB	(UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
+#endif /* !defined(CONFIG_440GX) */
+#elif defined(CONFIG_HAS_ETH2)
+#define UIC_ETHx	(UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
+			 UIC_MASK(ETH_IRQ_NUM(2)))
+#elif defined(CONFIG_HAS_ETH1)
+#define UIC_ETHx	(UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
+#else
+#define UIC_ETHx	UIC_MASK(ETH_IRQ_NUM(0))
+#endif
+
+/*
+ * Define a default version for UIC_ETHxB for non 440GX so that we can
+ * use common code for all 4xx variants
+ */
+#if !defined(UIC_ETHxB)
+#define UIC_ETHxB	0
+#endif
+
+#define UIC_MAL_SERR	UIC_MASK(VECNUM_MAL_SERR)
+#define UIC_MAL_TXDE	UIC_MASK(VECNUM_MAL_TXDE)
+#define UIC_MAL_RXDE	UIC_MASK(VECNUM_MAL_RXDE)
+#define UIC_MAL_TXEOB	UIC_MASK(VECNUM_MAL_TXEOB)
+#define UIC_MAL_RXEOB	UIC_MASK(VECNUM_MAL_RXEOB)
+
+#define MAL_UIC_ERR	(UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)
+#define MAL_UIC_DEF	(UIC_MAL_RXEOB | MAL_UIC_ERR)
+
+/*
+ * We have 3 different interrupt types:
+ * - MAL interrupts indicating successful transfer
+ * - MAL error interrupts indicating MAL related errors
+ * - EMAC interrupts indicating EMAC related errors
+ *
+ * All those interrupts can be on different UIC's, but since
+ * now at least all interrupts from one type are on the same
+ * UIC. Only exception is 440GX where the EMAC interrupts are
+ * spread over two UIC's!
+ */
+#if defined(CONFIG_440GX)
+#define UIC_BASE_MAL	UIC1_DCR_BASE
+#define UIC_BASE_MAL_ERR UIC2_DCR_BASE
+#define UIC_BASE_EMAC	UIC2_DCR_BASE
+#define UIC_BASE_EMAC_B	UIC3_DCR_BASE
+#else
+#define UIC_BASE_MAL	(UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10))
+#define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10))
+#define UIC_BASE_EMAC	(UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
+#define UIC_BASE_EMAC_B	(UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
+#endif
 
 #undef INFO_4XX_ENET
 
@@ -137,23 +190,35 @@
 #define BI_PHYMODE_RTBI  4
 #define BI_PHYMODE_TBI   5
 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 #define BI_PHYMODE_SMII  6
 #define BI_PHYMODE_MII   7
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define BI_PHYMODE_RMII  8
+#endif
 #endif
 
 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 #define SDR0_MFR_ETH_CLK_SEL_V(n)	((0x01<<27) / (n+1))
 #endif
 
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define SDR0_ETH_CFG_CLK_SEL_V(n)	(0x01 << (8 + n))
+#endif
+
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define MAL_RX_CHAN_MUL	8	/* 460EX/GT uses MAL channel 8 for EMAC1 */
+#else
+#define MAL_RX_CHAN_MUL	1
+#endif
+
 /*-----------------------------------------------------------------------------+
  * Global variables. TX and RX descriptors and buffers.
  *-----------------------------------------------------------------------------*/
-/* IER globals */
-static uint32_t mal_ier;
-
 #if !defined(CONFIG_NET_MULTI)
 struct eth_device *emac0_dev = NULL;
 #endif
@@ -185,12 +250,6 @@ 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
-
 #define MAL_RX_DESC_SIZE	2048
 #define MAL_TX_DESC_SIZE	2048
 #define MAL_ALLOC_SIZE		(MAL_TX_DESC_SIZE + MAL_RX_DESC_SIZE)
@@ -214,6 +273,44 @@ extern int emac4xx_miiphy_write (char *devname, unsigned char addr,
 
 int board_emac_count(void);
 
+static void emac_loopback_enable(EMAC_4XX_HW_PST hw_p)
+{
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
+	u32 val;
+
+	mfsdr(sdr_mfr, val);
+	val |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
+	mtsdr(sdr_mfr, val);
+#elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
+	u32 val;
+
+	mfsdr(SDR0_ETH_CFG, val);
+	val |= SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum);
+	mtsdr(SDR0_ETH_CFG, val);
+#endif
+}
+
+static void emac_loopback_disable(EMAC_4XX_HW_PST hw_p)
+{
+#if defined(CONFIG_440SPE) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_405EX)
+	u32 val;
+
+	mfsdr(sdr_mfr, val);
+	val &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
+	mtsdr(sdr_mfr, val);
+#elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
+	u32 val;
+
+	mfsdr(SDR0_ETH_CFG, val);
+	val &= ~SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum);
+	mtsdr(SDR0_ETH_CFG, val);
+#endif
+}
+
 /*-----------------------------------------------------------------------------+
 | ppc_4xx_eth_halt
 | Disable MAL channel, and EMACn
@@ -221,12 +318,7 @@ int board_emac_count(void);
 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) || \
-    defined(CONFIG_405EX)
-	unsigned long mfr;
-#endif
+	u32 val = 10000;
 
 	out_be32((void *)EMAC_IER + hw_p->hw_addr, 0x00000000);	/* disable emac interrupts */
 
@@ -242,37 +334,31 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
 	/* wait for reset */
 	while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) {
 		udelay (1000);	/* Delay 1 MS so as not to hammer the register */
-		failsafe--;
-		if (failsafe == 0)
+		val--;
+		if (val == 0)
 			break;
 	}
 
-	/* EMAC RESET */
-#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);
-	mtsdr(sdr_mfr, mfr);
-#endif
+	emac_loopback_enable(hw_p);
 
+	/* EMAC RESET */
 	out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
 
-#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);
-	mtsdr(sdr_mfr, mfr);
-#endif
-
+	emac_loopback_disable(hw_p);
 
 #ifndef CONFIG_NETCONSOLE
 	hw_p->print_speed = 1;	/* print speed message again next time */
 #endif
 
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+	/* don't bypass the TAHOE0/TAHOE1 cores for Linux */
+	mfsdr(SDR0_ETH_CFG, val);
+	val &= ~(SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
+	mtsdr(SDR0_ETH_CFG, val);
+#endif
+
 	return;
 }
 
@@ -423,35 +509,281 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 #if defined(CONFIG_405EX)
 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 {
-	u32 gmiifer = 0;
+	u32 rgmiifer = 0;
 
 	/*
-	 * Right now only 2*RGMII is supported. Please extend when needed.
-	 * sr - 2007-09-19
+	 * The 405EX(r)'s RGMII bridge can operate in one of several
+	 * modes, only one of which (2 x RGMII) allows the
+	 * simultaneous use of both EMACs on the 405EX.
 	 */
-	switch (1) {
-	case 1:
+
+	switch (CONFIG_EMAC_PHY_MODE) {
+
+	case EMAC_PHY_MODE_NONE:
+		/* No ports */
+		rgmiifer |= RGMII_FER_DIS	<< 0;
+		rgmiifer |= RGMII_FER_DIS	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_NONE;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		break;
+	case EMAC_PHY_MODE_NONE_RGMII:
+		/* 1 x RGMII port on channel 0 */
+		rgmiifer |= RGMII_FER_RGMII	<< 0;
+		rgmiifer |= RGMII_FER_DIS	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		break;
+	case EMAC_PHY_MODE_RGMII_NONE:
+		/* 1 x RGMII port on channel 1 */
+		rgmiifer |= RGMII_FER_DIS	<< 0;
+		rgmiifer |= RGMII_FER_RGMII	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_NONE;
+		bis->bi_phymode[1] = BI_PHYMODE_RGMII;
+		break;
+	case EMAC_PHY_MODE_RGMII_RGMII:
 		/* 2 x RGMII ports */
-		out_be32((void *)RGMII_FER, 0x00000055);
+		rgmiifer |= RGMII_FER_RGMII	<< 0;
+		rgmiifer |= RGMII_FER_RGMII	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
 		bis->bi_phymode[0] = BI_PHYMODE_RGMII;
 		bis->bi_phymode[1] = BI_PHYMODE_RGMII;
 		break;
-	case 2:
-		/* 2 x SMII ports */
+	case EMAC_PHY_MODE_NONE_GMII:
+		/* 1 x GMII port on channel 0 */
+		rgmiifer |= RGMII_FER_GMII	<< 0;
+		rgmiifer |= RGMII_FER_DIS	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_GMII;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		break;
+	case EMAC_PHY_MODE_NONE_MII:
+		/* 1 x MII port on channel 0 */
+		rgmiifer |= RGMII_FER_MII	<< 0;
+		rgmiifer |= RGMII_FER_DIS	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_MII;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		break;
+	case EMAC_PHY_MODE_GMII_NONE:
+		/* 1 x GMII port on channel 1 */
+		rgmiifer |= RGMII_FER_DIS	<< 0;
+		rgmiifer |= RGMII_FER_GMII	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_NONE;
+		bis->bi_phymode[1] = BI_PHYMODE_GMII;
+		break;
+	case EMAC_PHY_MODE_MII_NONE:
+		/* 1 x MII port on channel 1 */
+		rgmiifer |= RGMII_FER_DIS	<< 0;
+		rgmiifer |= RGMII_FER_MII	<< 4;
+		out_be32((void *)RGMII_FER, rgmiifer);
+		bis->bi_phymode[0] = BI_PHYMODE_NONE;
+		bis->bi_phymode[1] = BI_PHYMODE_MII;
 		break;
 	default:
 		break;
 	}
 
 	/* Ensure we setup mdio for this devnum and ONLY this devnum */
-	gmiifer = in_be32((void *)RGMII_FER);
-	gmiifer |= (1 << (19-devnum));
-	out_be32((void *)RGMII_FER, gmiifer);
+	rgmiifer = in_be32((void *)RGMII_FER);
+	rgmiifer |= (1 << (19-devnum));
+	out_be32((void *)RGMII_FER, rgmiifer);
 
 	return ((int)0x0);
 }
 #endif  /* CONFIG_405EX */
 
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
+{
+	u32 eth_cfg;
+	u32 zmiifer;		/* ZMII0_FER reg. */
+	u32 rmiifer;		/* RGMII0_FER reg. Bridge 0 */
+	u32 rmiifer1;		/* RGMII0_FER reg. Bridge 1 */
+	int mode;
+
+	zmiifer  = 0;
+	rmiifer  = 0;
+	rmiifer1 = 0;
+
+#if defined(CONFIG_460EX)
+	mode = 9;
+#else
+	mode = 10;
+#endif
+
+	/* TODO:
+	 * NOTE: 460GT has 2 RGMII bridge cores:
+	 *		emac0 ------ RGMII0_BASE
+	 *		           |
+	 *		emac1 -----+
+	 *
+	 *		emac2 ------ RGMII1_BASE
+	 *		           |
+	 *		emac3 -----+
+	 *
+	 *	460EX has 1 RGMII bridge core:
+	 *	and RGMII1_BASE is disabled
+	 *		emac0 ------ RGMII0_BASE
+	 *		           |
+	 *		emac1 -----+
+	 */
+
+	/*
+	 * Right now only 2*RGMII is supported. Please extend when needed.
+	 * sr - 2008-02-19
+	 */
+	switch (mode) {
+	case 1:
+		/* 1 MII - 460EX */
+		/* GMC0 EMAC4_0, ZMII Bridge */
+		zmiifer |= ZMII_FER_MII << ZMII_FER_V(0);
+		bis->bi_phymode[0] = BI_PHYMODE_MII;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		bis->bi_phymode[2] = BI_PHYMODE_NONE;
+		bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		break;
+	case 2:
+		/* 2 MII - 460GT */
+		/* GMC0 EMAC4_0, GMC1 EMAC4_2, ZMII Bridge */
+		zmiifer |= ZMII_FER_MII << ZMII_FER_V(0);
+		zmiifer |= ZMII_FER_MII << ZMII_FER_V(2);
+		bis->bi_phymode[0] = BI_PHYMODE_MII;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		bis->bi_phymode[2] = BI_PHYMODE_MII;
+		bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		break;
+	case 3:
+		/* 2 RMII - 460EX */
+		/* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */
+		zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
+		zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
+		bis->bi_phymode[0] = BI_PHYMODE_RMII;
+		bis->bi_phymode[1] = BI_PHYMODE_RMII;
+		bis->bi_phymode[2] = BI_PHYMODE_NONE;
+		bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		break;
+	case 4:
+		/* 4 RMII - 460GT */
+		/* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC1 EMAC4_2, GMC1, EMAC4_3 */
+		/* ZMII Bridge */
+		zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
+		zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
+		zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2);
+		zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3);
+		bis->bi_phymode[0] = BI_PHYMODE_RMII;
+		bis->bi_phymode[1] = BI_PHYMODE_RMII;
+		bis->bi_phymode[2] = BI_PHYMODE_RMII;
+		bis->bi_phymode[3] = BI_PHYMODE_RMII;
+		break;
+	case 5:
+		/* 2 SMII - 460EX */
+		/* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */
+		zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
+		zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
+		bis->bi_phymode[0] = BI_PHYMODE_SMII;
+		bis->bi_phymode[1] = BI_PHYMODE_SMII;
+		bis->bi_phymode[2] = BI_PHYMODE_NONE;
+		bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		break;
+	case 6:
+		/* 4 SMII - 460GT */
+		/* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC0 EMAC4_3, GMC0 EMAC4_3 */
+		/* ZMII Bridge */
+		zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
+		zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
+		zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2);
+		zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3);
+		bis->bi_phymode[0] = BI_PHYMODE_SMII;
+		bis->bi_phymode[1] = BI_PHYMODE_SMII;
+		bis->bi_phymode[2] = BI_PHYMODE_SMII;
+		bis->bi_phymode[3] = BI_PHYMODE_SMII;
+		break;
+	case 7:
+		/* This is the default mode that we want for board bringup - Maple */
+		/* 1 GMII - 460EX */
+		/* GMC0 EMAC4_0, RGMII Bridge 0 */
+		rmiifer |= RGMII_FER_MDIO(0);
+
+		if (devnum == 0) {
+			rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */
+			bis->bi_phymode[0] = BI_PHYMODE_GMII;
+			bis->bi_phymode[1] = BI_PHYMODE_NONE;
+			bis->bi_phymode[2] = BI_PHYMODE_NONE;
+			bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		} else {
+			rmiifer |= RGMII_FER_GMII << RGMII_FER_V(3); /* CH1CFG - EMAC1 */
+			bis->bi_phymode[0] = BI_PHYMODE_NONE;
+			bis->bi_phymode[1] = BI_PHYMODE_GMII;
+			bis->bi_phymode[2] = BI_PHYMODE_NONE;
+			bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		}
+		break;
+	case 8:
+		/* 2 GMII - 460GT */
+		/* GMC0 EMAC4_0, RGMII Bridge 0 */
+		/* GMC1 EMAC4_2, RGMII Bridge 1 */
+		rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2);	/* CH0CFG - EMAC0 */
+		rmiifer1 |= RGMII_FER_GMII << RGMII_FER_V(2);	/* CH0CFG - EMAC2 */
+		rmiifer |= RGMII_FER_MDIO(0);			/* enable MDIO - EMAC0 */
+		rmiifer1 |= RGMII_FER_MDIO(0);			/* enable MDIO - EMAC2 */
+
+		bis->bi_phymode[0] = BI_PHYMODE_GMII;
+		bis->bi_phymode[1] = BI_PHYMODE_NONE;
+		bis->bi_phymode[2] = BI_PHYMODE_GMII;
+		bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		break;
+	case 9:
+		/* 2 RGMII - 460EX */
+		/* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
+		rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
+		rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
+		rmiifer |= RGMII_FER_MDIO(0);			/* enable MDIO - EMAC0 */
+
+		bis->bi_phymode[0] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[1] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[2] = BI_PHYMODE_NONE;
+		bis->bi_phymode[3] = BI_PHYMODE_NONE;
+		break;
+	case 10:
+		/* 4 RGMII - 460GT */
+		/* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
+		/* GMC1 EMAC4_2, GMC1 EMAC4_3, RGMII Bridge 1 */
+		rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
+		rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
+		rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(2);
+		rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(3);
+		bis->bi_phymode[0] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[1] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[2] = BI_PHYMODE_RGMII;
+		bis->bi_phymode[3] = BI_PHYMODE_RGMII;
+		break;
+	default:
+		break;
+	}
+
+	/* Set EMAC for MDIO */
+	mfsdr(SDR0_ETH_CFG, eth_cfg);
+	eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0;
+	mtsdr(SDR0_ETH_CFG, eth_cfg);
+
+	out_be32((void *)RGMII_FER, rmiifer);
+#if defined(CONFIG_460GT)
+	out_be32((void *)RGMII_FER + RGMII1_BASE_OFFSET, rmiifer1);
+#endif
+
+	/* bypass the TAHOE0/TAHOE1 cores for U-Boot */
+	mfsdr(SDR0_ETH_CFG, eth_cfg);
+	eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
+	mtsdr(SDR0_ETH_CFG, eth_cfg);
+
+	return 0;
+}
+#endif /* CONFIG_460EX || CONFIG_460GT */
+
 static inline void *malloc_aligned(u32 size, u32 align)
 {
 	return (void *)(((u32)malloc(size + align) + align - 1) &
@@ -472,24 +804,26 @@ 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_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 	sys_info_t sysinfo;
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 	int ethgroup = -1;
 #endif
 #endif
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
-    defined(CONFIG_405EX)
-	unsigned long mfr;
-#endif
 	u32 bd_cached;
 	u32 bd_uncached = 0;
 #ifdef CONFIG_4xx_DCACHE
 	static u32 last_used_ea = 0;
 #endif
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
+    defined(CONFIG_405EX)
+	int rgmii_channel;
+#endif
 
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 
@@ -503,6 +837,7 @@ 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_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 	/* Need to get the OPB frequency so we can access the PHY */
 	get_sys_info (&sysinfo);
@@ -556,21 +891,12 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	out_be32((void *)ZMII_FER, 0);
 	udelay (100);
 
-#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
+#if defined(CONFIG_440GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
 	out_be32((void *)ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
-#elif defined(CONFIG_440GX) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#elif defined(CONFIG_440GX) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT)
 	ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
-#elif defined(CONFIG_440GP)
-	/* set RMII mode */
-	out_be32((void *)ZMII_FER, ZMII_RMII | ZMII_MDI0);
-#else
-	if ((devnum == 0) || (devnum == 1)) {
-		out_be32((void *)ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
-	} else { /* ((devnum == 2) || (devnum == 3)) */
-		out_be32((void *)ZMII_FER, ZMII_FER_MDI << ZMII_FER_V (devnum));
-		out_be32((void *)RGMII_FER, ((RGMII_FER_RGMII << RGMII_FER_V (2)) |
-					     (RGMII_FER_RGMII << RGMII_FER_V (3))));
-	}
 #endif
 
 	out_be32((void *)ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum));
@@ -579,20 +905,17 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
 #endif
 
-	__asm__ volatile ("eieio");
+	sync();
 
-	/* reset emac so we have access to the phy */
-#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);
-	mtsdr(sdr_mfr, mfr);
-#endif
+	emac_loopback_enable(hw_p);
 
+	/* EMAC RESET */
 	out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
 
+	/* remove clocks for EMAC internal loopback  */
+	emac_loopback_disable(hw_p);
+
 	failsafe = 1000;
 	while ((in_be32((void *)EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) {
 		udelay (1000);
@@ -601,18 +924,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	if (failsafe <= 0)
 		printf("\nProblem resetting EMAC!\n");
 
-#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);
-	mtsdr(sdr_mfr, mfr);
-#endif
-
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
     defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 	/* Whack the M1 register */
 	mode_reg = 0x0;
@@ -642,10 +957,12 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		reg = CONFIG_PHY1_ADDR;
 		break;
 #endif
-#if defined (CONFIG_440GX)
+#if defined (CONFIG_PHY2_ADDR)
 	case 2:
 		reg = CONFIG_PHY2_ADDR;
 		break;
+#endif
+#if defined (CONFIG_PHY3_ADDR)
 	case 3:
 		reg = CONFIG_PHY3_ADDR;
 		break;
@@ -674,6 +991,7 @@ 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_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 
 #if defined(CONFIG_CIS8201_PHY)
@@ -772,8 +1090,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 			hw_p->devnum);
 	}
 
-#if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
-    !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX)
+#if defined(CONFIG_440) && \
+    !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
+    !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \
+    !defined(CONFIG_460EX) && !defined(CONFIG_460GT)
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
 	mfsdr(sdr_mfr, reg);
 	if (speed == 100) {
@@ -807,24 +1127,35 @@ 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) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
+	if (devnum >= 2)
+		rgmii_channel = devnum - 2;
+	else
+		rgmii_channel = devnum;
+
 	if (speed == 1000)
-		reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum));
+		reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V(rgmii_channel));
 	else if (speed == 100)
-		reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V (devnum));
+		reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V(rgmii_channel));
 	else if (speed == 10)
-		reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V (devnum));
+		reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V(rgmii_channel));
 	else {
 		printf("Error in RGMII Speed\n");
 		return -1;
 	}
 	out_be32((void *)RGMII_SSR, reg);
+#if defined(CONFIG_460GT)
+	if ((devnum == 2) || (devnum == 3))
+		out_be32((void *)RGMII_SSR + RGMII1_BASE_OFFSET, reg);
+#endif
 #endif
 
 	/* set the Mal configuration reg */
 #if defined(CONFIG_440GX) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
     defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 	mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
 	       MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000);
@@ -847,14 +1178,18 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
 		bd_cached = (u32)malloc_aligned(MAL_ALLOC_SIZE, 4096);
 		if (!bd_cached) {
-			printf("%s: Error allocating MAL descriptor buffers!\n");
+			printf("%s: Error allocating MAL descriptor buffers!\n", __func__);
 			return -1;
 		}
 
 #ifdef CONFIG_4xx_DCACHE
 		flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
 		if (!last_used_ea)
+#if defined(CFG_MEM_TOP_HIDE)
+			bd_uncached = bis->bi_memsize + CFG_MEM_TOP_HIDE;
+#else
 			bd_uncached = bis->bi_memsize;
+#endif
 		else
 			bd_uncached = last_used_ea + MAL_ALLOC_SIZE;
 
@@ -926,9 +1261,16 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		mtdcr (maltxbattr, 0x0);
 		mtdcr (malrxbattr, 0x0);
 #endif
+
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+		mtdcr (malrxctp8r, hw_p->rx_phys);
+		/* set RX buffer size */
+		mtdcr (malrcbs8, ENET_MAX_MTU_ALIGNED / 16);
+#else
 		mtdcr (malrxctp1r, hw_p->rx_phys);
 		/* set RX buffer size */
 		mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16);
+#endif
 		break;
 #if defined (CONFIG_440GX)
 	case 2:
@@ -950,6 +1292,26 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		mtdcr (malrcbs3, ENET_MAX_MTU_ALIGNED / 16);
 		break;
 #endif /* CONFIG_440GX */
+#if defined (CONFIG_460GT)
+	case 2:
+		/* setup MAL tx & rx channel pointers */
+		mtdcr (maltxbattr, 0x0);
+		mtdcr (malrxbattr, 0x0);
+		mtdcr (maltxctp2r, hw_p->tx_phys);
+		mtdcr (malrxctp16r, hw_p->rx_phys);
+		/* set RX buffer size */
+		mtdcr (malrcbs16, ENET_MAX_MTU_ALIGNED / 16);
+		break;
+	case 3:
+		/* setup MAL tx & rx channel pointers */
+		mtdcr (maltxbattr, 0x0);
+		mtdcr (malrxbattr, 0x0);
+		mtdcr (maltxctp3r, hw_p->tx_phys);
+		mtdcr (malrxctp24r, hw_p->rx_phys);
+		/* set RX buffer size */
+		mtdcr (malrcbs24, ENET_MAX_MTU_ALIGNED / 16);
+		break;
+#endif /* CONFIG_460GT */
 	case 0:
 	default:
 		/* setup MAL tx & rx channel pointers */
@@ -975,9 +1337,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	/* set transmit enable & receive enable */
 	out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE);
 
-	/* set receive fifo to 4k and tx fifo to 2k */
 	mode_reg = in_be32((void *)EMAC_M1 + hw_p->hw_addr);
-	mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K;
+
+	/* set rx-/tx-fifo size */
+	mode_reg = (mode_reg & ~EMAC_MR1_FIFO_MASK) | EMAC_MR1_FIFO_SIZE;
 
 	/* set speed */
 	if (speed == _1000BASET) {
@@ -1086,7 +1449,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 	hw_p->tx[hw_p->tx_slot].data_len = (short) len;
 	hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY;
 
-	__asm__ volatile ("eieio");
+	sync();
 
 	out_be32((void *)EMAC_TXM0 + hw_p->hw_addr,
 		 in_be32((void *)EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0);
@@ -1116,43 +1479,17 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 	}
 }
 
-
-#if defined (CONFIG_440) || defined(CONFIG_405EX)
-
-#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
-/*
- * Hack: On 440SP all enet irq sources are located on UIC1
- * Needs some cleanup. --sr
- */
-#define UIC0MSR		uic1msr
-#define UIC0SR		uic1sr
-#else
-#define UIC0MSR		uic0msr
-#define UIC0SR		uic0sr
-#endif
-
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_405EX)
-#define UICMSR_ETHX	uic0msr
-#define UICSR_ETHX	uic0sr
-#else
-#define UICMSR_ETHX	uic1msr
-#define UICSR_ETHX	uic1sr
-#endif
-
 int enetInt (struct eth_device *dev)
 {
 	int serviced;
 	int rc = -1;		/* default to not us */
-	unsigned long mal_isr;
-	unsigned long emac_isr = 0;
-	unsigned long mal_rx_eob;
-	unsigned long my_uic0msr, my_uic1msr;
-	unsigned long my_uicmsr_ethx;
-
-#if defined(CONFIG_440GX)
-	unsigned long my_uic2msr;
-#endif
+	u32 mal_isr;
+	u32 emac_isr = 0;
+	u32 mal_eob;
+	u32 uic_mal;
+	u32 uic_mal_err;
+	u32 uic_emac;
+	u32 uic_emac_b;
 	EMAC_4XX_HW_PST hw_p;
 
 	/*
@@ -1171,254 +1508,79 @@ int enetInt (struct eth_device *dev)
 	do {
 		serviced = 0;
 
-		my_uic0msr = mfdcr (UIC0MSR);
-		my_uic1msr = mfdcr (uic1msr);
-#if defined(CONFIG_440GX)
-		my_uic2msr = mfdcr (uic2msr);
-#endif
-		my_uicmsr_ethx = mfdcr (UICMSR_ETHX);
+		uic_mal = mfdcr(UIC_BASE_MAL + UIC_MSR);
+		uic_mal_err = mfdcr(UIC_BASE_MAL_ERR + UIC_MSR);
+		uic_emac = mfdcr(UIC_BASE_EMAC + UIC_MSR);
+		uic_emac_b = mfdcr(UIC_BASE_EMAC_B + UIC_MSR);
 
-		if (!(my_uic0msr & (UIC_MRE | UIC_MTE))
-		    && !(my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))
-		    && !(my_uicmsr_ethx & (UIC_ETH0 | UIC_ETH1))) {
-			/* not for us */
-			return (rc);
-		}
-#if defined (CONFIG_440GX)
-		if (!(my_uic0msr & (UIC_MRE | UIC_MTE))
-		    && !(my_uic2msr & (UIC_ETH2 | UIC_ETH3))) {
+		if (!(uic_mal & (UIC_MAL_RXEOB | UIC_MAL_TXEOB))
+		    && !(uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE))
+		    && !(uic_emac & UIC_ETHx) && !(uic_emac_b & UIC_ETHxB)) {
 			/* not for us */
 			return (rc);
 		}
-#endif
+
 		/* get and clear controller status interrupts */
-		/* look at Mal and EMAC interrupts */
-		if ((my_uic0msr & (UIC_MRE | UIC_MTE))
-		    || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
-			/* we have a MAL interrupt */
-			mal_isr = mfdcr (malesr);
-			/* look for mal error */
-			if (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE)) {
-				mal_err (dev, mal_isr, my_uic1msr, MAL_UIC_DEF, MAL_UIC_ERR);
-				serviced = 1;
-				rc = 0;
-			}
-		}
+		/* look at MAL and EMAC error interrupts */
+		if (uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)) {
+			/* we have a MAL error interrupt */
+			mal_isr = mfdcr(malesr);
+			mal_err(dev, mal_isr, uic_mal_err,
+				 MAL_UIC_DEF, MAL_UIC_ERR);
 
-		/* port by port dispatch of emac interrupts */
-		if (hw_p->devnum == 0) {
-			if (UIC_ETH0 & my_uicmsr_ethx) {	/* look for EMAC errors */
-				emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
-				if ((hw_p->emac_ier & emac_isr) != 0) {
-					emac_err (dev, emac_isr);
-					serviced = 1;
-					rc = 0;
-				}
-			}
-			if ((hw_p->emac_ier & emac_isr)
-			    || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
-				mtdcr (UIC0SR, UIC_MRE | UIC_MTE);	/* Clear */
-				mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE);	/* Clear */
-				mtdcr (UICSR_ETHX, UIC_ETH0); /* Clear */
-				return (rc);	/* we had errors so get out */
-			}
-		}
+			/* clear MAL error interrupt status bits */
+			mtdcr(UIC_BASE_MAL_ERR + UIC_SR,
+			      UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE);
 
-#if !defined(CONFIG_440SP)
-		if (hw_p->devnum == 1) {
-			if (UIC_ETH1 & my_uicmsr_ethx) {	/* look for EMAC errors */
-				emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
-				if ((hw_p->emac_ier & emac_isr) != 0) {
-					emac_err (dev, emac_isr);
-					serviced = 1;
-					rc = 0;
-				}
-			}
-			if ((hw_p->emac_ier & emac_isr)
-			    || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
-				mtdcr (UIC0SR, UIC_MRE | UIC_MTE);	/* Clear */
-				mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
-				mtdcr (UICSR_ETHX, UIC_ETH1); /* Clear */
-				return (rc);	/* we had errors so get out */
-			}
-		}
-#if defined (CONFIG_440GX)
-		if (hw_p->devnum == 2) {
-			if (UIC_ETH2 & my_uic2msr) {	/* look for EMAC errors */
-				emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
-				if ((hw_p->emac_ier & emac_isr) != 0) {
-					emac_err (dev, emac_isr);
-					serviced = 1;
-					rc = 0;
-				}
-			}
-			if ((hw_p->emac_ier & emac_isr)
-			    || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
-				mtdcr (UIC0SR, UIC_MRE | UIC_MTE);	/* Clear */
-				mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE);	/* Clear */
-				mtdcr (uic2sr, UIC_ETH2);
-				return (rc);	/* we had errors so get out */
-			}
+			return -1;
 		}
 
-		if (hw_p->devnum == 3) {
-			if (UIC_ETH3 & my_uic2msr) {	/* look for EMAC errors */
-				emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
-				if ((hw_p->emac_ier & emac_isr) != 0) {
-					emac_err (dev, emac_isr);
-					serviced = 1;
-					rc = 0;
-				}
-			}
-			if ((hw_p->emac_ier & emac_isr)
-			    || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
-				mtdcr (UIC0SR, UIC_MRE | UIC_MTE);	/* Clear */
-				mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE);	/* Clear */
-				mtdcr (uic2sr, UIC_ETH3);
-				return (rc);	/* we had errors so get out */
-			}
-		}
-#endif /* CONFIG_440GX */
-#endif /* !CONFIG_440SP */
+		/* look for EMAC errors */
+		if ((uic_emac & UIC_ETHx) || (uic_emac_b & UIC_ETHxB)) {
+			emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
+			emac_err(dev, emac_isr);
 
-		/* handle MAX TX EOB interrupt from a tx */
-		if (my_uic0msr & UIC_MTE) {
-			mal_rx_eob = mfdcr (maltxeobisr);
-			mtdcr (maltxeobisr, mal_rx_eob);
-			mtdcr (UIC0SR, UIC_MTE);
-		}
-		/* handle MAL RX EOB  interupt from a receive */
-		/* check for EOB on valid channels	      */
-		if (my_uic0msr & UIC_MRE) {
-			mal_rx_eob = mfdcr (malrxeobisr);
-			if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */
-				/* clear EOB
-				   mtdcr(malrxeobisr, mal_rx_eob); */
-				enet_rcv (dev, emac_isr);
-				/* indicate that we serviced an interrupt */
-				serviced = 1;
-				rc = 0;
-			}
-		}
+			/* clear EMAC error interrupt status bits */
+			mtdcr(UIC_BASE_EMAC + UIC_SR, UIC_ETHx);
+			mtdcr(UIC_BASE_EMAC_B + UIC_SR, UIC_ETHxB);
 
-		mtdcr (UIC0SR, UIC_MRE);	/* Clear */
-		mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE);	/* Clear */
-		switch (hw_p->devnum) {
-		case 0:
-			mtdcr (UICSR_ETHX, UIC_ETH0);
-			break;
-		case 1:
-			mtdcr (UICSR_ETHX, UIC_ETH1);
-			break;
-#if defined (CONFIG_440GX)
-		case 2:
-			mtdcr (uic2sr, UIC_ETH2);
-			break;
-		case 3:
-			mtdcr (uic2sr, UIC_ETH3);
-			break;
-#endif /* CONFIG_440GX */
-		default:
-			break;
+			return -1;
 		}
-	} while (serviced);
-
-	return (rc);
-}
-
-#else /* CONFIG_440 */
-
-int enetInt (struct eth_device *dev)
-{
-	int serviced;
-	int rc = -1;		/* default to not us */
-	unsigned long mal_isr;
-	unsigned long emac_isr = 0;
-	unsigned long mal_rx_eob;
-	unsigned long my_uicmsr;
-
-	EMAC_4XX_HW_PST hw_p;
-
-	/*
-	 * Because the mal is generic, we need to get the current
-	 * eth device
-	 */
-#if defined(CONFIG_NET_MULTI)
-	dev = eth_get_dev();
-#else
-	dev = emac0_dev;
-#endif
 
-	hw_p = dev->priv;
-
-	/* enter loop that stays in interrupt code until nothing to service */
-	do {
-		serviced = 0;
-
-		my_uicmsr = mfdcr (uicmsr);
-
-		if ((my_uicmsr & (MAL_UIC_DEF | EMAC_UIC_DEF)) == 0) {	/* not for us */
-			return (rc);
-		}
-		/* get and clear controller status interrupts */
-		/* look at Mal and EMAC interrupts */
-		if ((MAL_UIC_DEF & my_uicmsr) != 0) {	/* we have a MAL interrupt */
-			mal_isr = mfdcr (malesr);
-			/* look for mal error */
-			if ((my_uicmsr & MAL_UIC_ERR) != 0) {
-				mal_err (dev, mal_isr, my_uicmsr, MAL_UIC_DEF, MAL_UIC_ERR);
-				serviced = 1;
-				rc = 0;
-			}
+		/* handle MAX TX EOB interrupt from a tx */
+		if (uic_mal & UIC_MAL_TXEOB) {
+			/* clear MAL interrupt status bits */
+			mal_eob = mfdcr(maltxeobisr);
+			mtdcr(maltxeobisr, mal_eob);
+			mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_TXEOB);
+
+			/* indicate that we serviced an interrupt */
+			serviced = 1;
+			rc = 0;
 		}
 
-		/* port by port dispatch of emac interrupts */
+		/* handle MAL RX EOB interupt from a receive */
+		/* check for EOB on valid channels	     */
+		if (uic_mal & UIC_MAL_RXEOB) {
+			mal_eob = mfdcr(malrxeobisr);
+			if (mal_eob &
+			    (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL))) {
+				/* push packet to upper layer */
+				enet_rcv(dev, emac_isr);
 
-		if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) {	/* look for EMAC errors */
-			emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
-			if ((hw_p->emac_ier & emac_isr) != 0) {
-				emac_err (dev, emac_isr);
-				serviced = 1;
-				rc = 0;
-			}
-		}
-		if (((hw_p->emac_ier & emac_isr) != 0) || ((MAL_UIC_ERR & my_uicmsr) != 0)) {
-			mtdcr (uicsr, MAL_UIC_DEF | SEL_UIC_DEF(hw_p->devnum)); /* Clear */
-			return (rc);		/* we had errors so get out */
-		}
+				/* clear MAL interrupt status bits */
+				mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_RXEOB);
 
-		/* handle MAX TX EOB interrupt from a tx */
-		if (my_uicmsr & UIC_MAL_TXEOB) {
-			mal_rx_eob = mfdcr (maltxeobisr);
-			mtdcr (maltxeobisr, mal_rx_eob);
-			mtdcr (uicsr, UIC_MAL_TXEOB);
-		}
-		/* handle MAL RX EOB  interupt from a receive */
-		/* check for EOB on valid channels	      */
-		if (my_uicmsr & UIC_MAL_RXEOB)
-		{
-			mal_rx_eob = mfdcr (malrxeobisr);
-			if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */
-				/* clear EOB
-				 mtdcr(malrxeobisr, mal_rx_eob); */
-				enet_rcv (dev, emac_isr);
 				/* indicate that we serviced an interrupt */
 				serviced = 1;
 				rc = 0;
 			}
 		}
-		mtdcr (uicsr, MAL_UIC_DEF|EMAC_UIC_DEF|EMAC_UIC_DEF1);	/* Clear */
-#if defined(CONFIG_405EZ)
-		mtsdr (sdricintstat, SDR_ICRX_STAT | SDR_ICTX0_STAT | SDR_ICTX1_STAT);
-#endif	/* defined(CONFIG_405EZ) */
-	}
-	while (serviced);
+	} while (serviced);
 
 	return (rc);
 }
 
-#endif /* CONFIG_440 */
-
 /*-----------------------------------------------------------------------------+
  *  MAL Error Routine
  *-----------------------------------------------------------------------------*/
@@ -1467,7 +1629,7 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr)
 	int loop_count = 0;
 
 	rx_eob_isr = mfdcr (malrxeobisr);
-	if ((0x80000000 >> hw_p->devnum) & rx_eob_isr) {
+	if ((0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL)) & rx_eob_isr) {
 		/* clear EOB */
 		mtdcr (malrxeobisr, rx_eob_isr);
 
@@ -1481,7 +1643,7 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr)
 
 			loop_count++;
 			handled++;
-			data_len = (unsigned long) hw_p->rx[i].data_len;	/* Get len */
+			data_len = (unsigned long) hw_p->rx[i].data_len & 0x0fff;	/* Get len */
 			if (data_len) {
 				if (data_len > ENET_MAX_MTU)	/* Check len */
 					data_len = 0;
@@ -1567,7 +1729,7 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
 		msr = mfmsr ();
 		mtmsr (msr & ~(MSR_EE));
 
-		length = hw_p->rx[user_index].data_len;
+		length = hw_p->rx[user_index].data_len & 0x0fff;
 
 		/* Pass the packet up to the protocol layers. */
 		/*	 NetReceive(NetRxPackets[rxIdx], length - 4); */
@@ -1604,6 +1766,7 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 	EMAC_4XX_HW_PST hw = NULL;
 	u8 ethaddr[4 + CONFIG_EMAC_NR_START][6];
 	u32 hw_addr[4];
+	u32 mal_ier;
 
 #if defined(CONFIG_440GX)
 	unsigned long pfc1;
@@ -1637,14 +1800,22 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 		case 2:
 			memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
 			       bis->bi_enet2addr, 6);
+#if defined(CONFIG_460GT)
+			hw_addr[eth_num] = 0x300;
+#else
 			hw_addr[eth_num] = 0x400;
+#endif
 			break;
 #endif
 #ifdef CONFIG_HAS_ETH3
 		case 3:
 			memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
 			       bis->bi_enet3addr, 6);
+#if defined(CONFIG_460GT)
+			hw_addr[eth_num] = 0x400;
+#else
 			hw_addr[eth_num] = 0x600;
+#endif
 			break;
 #endif
 		}
@@ -1717,6 +1888,7 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 			/* set the MAL IER ??? names may change with new spec ??? */
 #if defined(CONFIG_440SPE) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
     defined(CONFIG_405EX)
 			mal_ier =
 				MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE |
@@ -1732,19 +1904,19 @@ int ppc_4xx_eth_initialize (bd_t * bis)
 			mtdcr (malier, mal_ier);
 
 			/* install MAL interrupt handler */
-			irq_install_handler (VECNUM_MS,
+			irq_install_handler (VECNUM_MAL_SERR,
 					     (interrupt_handler_t *) enetInt,
 					     dev);
-			irq_install_handler (VECNUM_MTE,
+			irq_install_handler (VECNUM_MAL_TXEOB,
 					     (interrupt_handler_t *) enetInt,
 					     dev);
-			irq_install_handler (VECNUM_MRE,
+			irq_install_handler (VECNUM_MAL_RXEOB,
 					     (interrupt_handler_t *) enetInt,
 					     dev);
-			irq_install_handler (VECNUM_TXDE,
+			irq_install_handler (VECNUM_MAL_TXDE,
 					     (interrupt_handler_t *) enetInt,
 					     dev);
-			irq_install_handler (VECNUM_RXDE,
+			irq_install_handler (VECNUM_MAL_RXDE,
 					     (interrupt_handler_t *) enetInt,
 					     dev);
 			virgin = 1;