Merge commit 'wd/master'

author: Jon Loeliger <jdl@freescale.com> 2008-01-03 09:46:55 -0600
committer: Jon Loeliger <jdl@freescale.com> 2008-01-03 09:46:55 -0600
commit: 2c3536425d987bf079258973e2acebaaef3e16b6 (patch)
tree: 659d06dd33eca4888e1f6d01d046507b76dc2d27 /cpu/ppc4xx
parent: f743931f9b4d4e15c9bdfe726bef033ea1f1402c (diff)
parent: ce37422d0002e10490e268392e0c4e3028e52cec (diff)
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26 files changed, 3820 insertions, 1585 deletions
diff --git a/cpu/ppc4xx/40x_spd_sdram.c b/cpu/ppc4xx/40x_spd_sdram.c
index 19c4f76..42fd7fb 100644
--- a/cpu/ppc4xx/40x_spd_sdram.c
+++ b/cpu/ppc4xx/40x_spd_sdram.c
@@ -148,7 +148,7 @@ long int spd_sdram(int(read_spd)(uint addr))
 	int t_rc;
 	int min_cas;
 
-	PPC405_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 	unsigned long bus_period_x_10;
 
 	/*
diff --git a/cpu/ppc4xx/440spe_pcie.h b/cpu/ppc4xx/440spe_pcie.h
deleted file mode 100644
index 38745eb..0000000
--- a/cpu/ppc4xx/440spe_pcie.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * Copyright (c) 2005 Cisco Systems.  All rights reserved.
- * Roland Dreier <rolandd@cisco.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <ppc4xx.h>
-#ifndef __440SPE_PCIE_H
-#define __440SPE_PCIE_H
-
-#define mdelay(n) ({unsigned long __ms=(n); while (__ms--) udelay(1000);})
-
-#define DCRN_SDR0_CFGADDR	0x00e
-#define DCRN_SDR0_CFGDATA	0x00f
-
-#define DCRN_PCIE0_BASE		0x100
-#define DCRN_PCIE1_BASE		0x120
-#define DCRN_PCIE2_BASE		0x140
-#define PCIE0			DCRN_PCIE0_BASE
-#define PCIE1			DCRN_PCIE1_BASE
-#define PCIE2			DCRN_PCIE2_BASE
-
-#define DCRN_PEGPL_CFGBAH(base)		(base + 0x00)
-#define DCRN_PEGPL_CFGBAL(base)		(base + 0x01)
-#define DCRN_PEGPL_CFGMSK(base)		(base + 0x02)
-#define DCRN_PEGPL_MSGBAH(base)		(base + 0x03)
-#define DCRN_PEGPL_MSGBAL(base)		(base + 0x04)
-#define DCRN_PEGPL_MSGMSK(base)		(base + 0x05)
-#define DCRN_PEGPL_OMR1BAH(base)	(base + 0x06)
-#define DCRN_PEGPL_OMR1BAL(base)	(base + 0x07)
-#define DCRN_PEGPL_OMR1MSKH(base)	(base + 0x08)
-#define DCRN_PEGPL_OMR1MSKL(base)	(base + 0x09)
-#define DCRN_PEGPL_REGBAH(base)		(base + 0x12)
-#define DCRN_PEGPL_REGBAL(base)		(base + 0x13)
-#define DCRN_PEGPL_REGMSK(base)		(base + 0x14)
-#define DCRN_PEGPL_SPECIAL(base)	(base + 0x15)
-#define DCRN_PEGPL_CFG(base)		(base + 0x16)
-
-/*
- * System DCRs (SDRs)
- */
-#define PESDR0_PLLLCT1		0x03a0
-#define PESDR0_PLLLCT2		0x03a1
-#define PESDR0_PLLLCT3		0x03a2
-
-#define PESDR0_UTLSET1		0x0300
-#define PESDR0_UTLSET2		0x0301
-#define PESDR0_DLPSET		0x0302
-#define PESDR0_LOOP		0x0303
-#define PESDR0_RCSSET		0x0304
-#define PESDR0_RCSSTS		0x0305
-#define PESDR0_HSSL0SET1	0x0306
-#define PESDR0_HSSL0SET2	0x0307
-#define PESDR0_HSSL0STS		0x0308
-#define PESDR0_HSSL1SET1	0x0309
-#define PESDR0_HSSL1SET2	0x030a
-#define PESDR0_HSSL1STS		0x030b
-#define PESDR0_HSSL2SET1	0x030c
-#define PESDR0_HSSL2SET2	0x030d
-#define PESDR0_HSSL2STS		0x030e
-#define PESDR0_HSSL3SET1	0x030f
-#define PESDR0_HSSL3SET2	0x0310
-#define PESDR0_HSSL3STS		0x0311
-#define PESDR0_HSSL4SET1	0x0312
-#define PESDR0_HSSL4SET2	0x0313
-#define PESDR0_HSSL4STS		0x0314
-#define PESDR0_HSSL5SET1	0x0315
-#define PESDR0_HSSL5SET2	0x0316
-#define PESDR0_HSSL5STS		0x0317
-#define PESDR0_HSSL6SET1	0x0318
-#define PESDR0_HSSL6SET2	0x0319
-#define PESDR0_HSSL6STS		0x031a
-#define PESDR0_HSSL7SET1	0x031b
-#define PESDR0_HSSL7SET2	0x031c
-#define PESDR0_HSSL7STS		0x031d
-#define PESDR0_HSSCTLSET	0x031e
-#define PESDR0_LANE_ABCD	0x031f
-#define PESDR0_LANE_EFGH	0x0320
-
-#define PESDR1_UTLSET1		0x0340
-#define PESDR1_UTLSET2		0x0341
-#define PESDR1_DLPSET		0x0342
-#define PESDR1_LOOP		0x0343
-#define PESDR1_RCSSET		0x0344
-#define PESDR1_RCSSTS		0x0345
-#define PESDR1_HSSL0SET1	0x0346
-#define PESDR1_HSSL0SET2	0x0347
-#define PESDR1_HSSL0STS		0x0348
-#define PESDR1_HSSL1SET1	0x0349
-#define PESDR1_HSSL1SET2	0x034a
-#define PESDR1_HSSL1STS		0x034b
-#define PESDR1_HSSL2SET1	0x034c
-#define PESDR1_HSSL2SET2	0x034d
-#define PESDR1_HSSL2STS		0x034e
-#define PESDR1_HSSL3SET1	0x034f
-#define PESDR1_HSSL3SET2	0x0350
-#define PESDR1_HSSL3STS		0x0351
-#define PESDR1_HSSCTLSET	0x0352
-#define PESDR1_LANE_ABCD	0x0353
-
-#define PESDR2_UTLSET1		0x0370
-#define PESDR2_UTLSET2		0x0371
-#define PESDR2_DLPSET		0x0372
-#define PESDR2_LOOP		0x0373
-#define PESDR2_RCSSET		0x0374
-#define PESDR2_RCSSTS		0x0375
-#define PESDR2_HSSL0SET1	0x0376
-#define PESDR2_HSSL0SET2	0x0377
-#define PESDR2_HSSL0STS		0x0378
-#define PESDR2_HSSL1SET1	0x0379
-#define PESDR2_HSSL1SET2	0x037a
-#define PESDR2_HSSL1STS		0x037b
-#define PESDR2_HSSL2SET1	0x037c
-#define PESDR2_HSSL2SET2	0x037d
-#define PESDR2_HSSL2STS		0x037e
-#define PESDR2_HSSL3SET1	0x037f
-#define PESDR2_HSSL3SET2	0x0380
-#define PESDR2_HSSL3STS		0x0381
-#define PESDR2_HSSCTLSET	0x0382
-#define PESDR2_LANE_ABCD	0x0383
-
-/*
- * UTL register offsets
- */
-#define PEUTL_PBBSZ		0x20
-#define PEUTL_OPDBSZ		0x68
-#define PEUTL_IPHBSZ		0x70
-#define PEUTL_IPDBSZ		0x78
-#define PEUTL_OUTTR		0x90
-#define PEUTL_INTR		0x98
-#define PEUTL_PCTL		0xa0
-#define PEUTL_RCIRQEN		0xb8
-
-/*
- * Config space register offsets
- */
-#define PECFG_BAR0LMPA		0x210
-#define PECFG_BAR0HMPA		0x214
-#define PECFG_BAR1MPA		0x218
-#define PECFG_BAR2MPA		0x220
-
-#define PECFG_PIMEN		0x33c
-#define PECFG_PIM0LAL		0x340
-#define PECFG_PIM0LAH		0x344
-#define PECFG_PIM1LAL		0x348
-#define PECFG_PIM1LAH		0x34c
-#define PECFG_PIM01SAL		0x350
-#define PECFG_PIM01SAH		0x354
-
-#define PECFG_POM0LAL		0x380
-#define PECFG_POM0LAH		0x384
-
-#define SDR_READ(offset) ({\
-	mtdcr(DCRN_SDR0_CFGADDR, offset); \
-	mfdcr(DCRN_SDR0_CFGDATA);})
-
-#define SDR_WRITE(offset, data) ({\
-	mtdcr(DCRN_SDR0_CFGADDR, offset); \
-	mtdcr(DCRN_SDR0_CFGDATA,data);})
-
-#define GPL_DMER_MASK_DISA	0x02000000
-
-int ppc440spe_init_pcie(void);
-int ppc440spe_init_pcie_rootport(int port);
-void yucca_setup_pcie_fpga_rootpoint(int port);
-void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port);
-int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port);
-int yucca_pcie_card_present(int port);
-int pcie_hose_scan(struct pci_controller *hose, int bus);
-#endif /* __440SPE_PCIE_H */
diff --git a/cpu/ppc4xx/44x_spd_ddr.c b/cpu/ppc4xx/44x_spd_ddr.c
index 4a4c6f2..b9cf5cb 100644
--- a/cpu/ppc4xx/44x_spd_ddr.c
+++ b/cpu/ppc4xx/44x_spd_ddr.c
@@ -251,10 +251,10 @@ void spd_ddr_init_hang (void) __attribute__((weak, alias("__spd_ddr_init_hang"))
  * memory.
  *
  * If at some time this restriction doesn't apply anymore, just define
- * CFG_ENABLE_SDRAM_CACHE in the board config file and this code should setup
+ * CONFIG_4xx_DCACHE in the board config file and this code should setup
  * everything correctly.
  */
-#ifdef CFG_ENABLE_SDRAM_CACHE
+#ifdef CONFIG_4xx_DCACHE
 #define MY_TLB_WORD2_I_ENABLE	0			/* enable caching on SDRAM */
 #else
 #define MY_TLB_WORD2_I_ENABLE	TLB_WORD2_I_ENABLE	/* disable caching on SDRAM */
@@ -345,7 +345,7 @@ long int spd_sdram(void) {
 	 */
 	check_volt_type(dimm_populated, iic0_dimm_addr, num_dimm_banks);
 
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
 	/*
 	 * Soft-reset SDRAM controller.
 	 */
@@ -645,7 +645,7 @@ static void program_rtr(unsigned long *dimm_populated,
 	unsigned char refresh_rate_type;
 	unsigned long refresh_interval;
 	unsigned long sdram_rtr;
-	PPC440_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	/*
 	 * get the board info
@@ -721,7 +721,7 @@ static void program_tr0(unsigned long *dimm_populated,
 	unsigned long tcyc_2_0_ns_x_10;
 	unsigned long tcyc_reg;
 	unsigned long bus_period_x_10;
-	PPC440_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 	unsigned long residue;
 
 	/*
@@ -1065,7 +1065,7 @@ static void program_tr1(void)
 	unsigned char window_found;
 	unsigned char fail_found;
 	unsigned char pass_found;
-	PPC440_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	/*
 	 * get the board info
@@ -1197,9 +1197,6 @@ static void program_tr1(void)
 	}
 
 	rdclt_average = ((max_start + max_end) >> 1);
-	if (rdclt_average >= 0x60)
-		while (1)
-			;
 
 	if (rdclt_average < 0) {
 		rdclt_average = 0;
diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c
index 67ba5bd..e199294 100644
--- a/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/cpu/ppc4xx/44x_spd_ddr2.c
@@ -120,10 +120,10 @@
  * memory.
  *
  * If at some time this restriction doesn't apply anymore, just define
- * CFG_ENABLE_SDRAM_CACHE in the board config file and this code should setup
+ * CONFIG_4xx_DCACHE in the board config file and this code should setup
  * everything correctly.
  */
-#ifdef CFG_ENABLE_SDRAM_CACHE
+#ifdef CONFIG_4xx_DCACHE
 #define MY_TLB_WORD2_I_ENABLE	0			/* enable caching on SDRAM */
 #else
 #define MY_TLB_WORD2_I_ENABLE	TLB_WORD2_I_ENABLE	/* disable caching on SDRAM */
@@ -623,7 +623,7 @@ static void get_spd_info(unsigned long *dimm_populated,
 
 void board_add_ram_info(int use_default)
 {
-	PPC440_SYS_INFO board_cfg;
+	PPC4xx_SYS_INFO board_cfg;
 	u32 val;
 
 	if (is_ecc_enabled())
@@ -741,7 +741,7 @@ static void check_frequency(unsigned long *dimm_populated,
 	unsigned long calc_cycle_time;
 	unsigned long sdram_freq;
 	unsigned long sdr_ddrpll;
-	PPC440_SYS_INFO board_cfg;
+	PPC4xx_SYS_INFO board_cfg;
 
 	/*------------------------------------------------------------------
 	 * Get the board configuration info.
@@ -1353,7 +1353,7 @@ static void program_mode(unsigned long *dimm_populated,
 	unsigned long max_4_0_tcyc_ns_x_100;
 	unsigned long max_5_0_tcyc_ns_x_100;
 	unsigned long cycle_time_ns_x_100[3];
-	PPC440_SYS_INFO board_cfg;
+	PPC4xx_SYS_INFO board_cfg;
 	unsigned char cas_2_0_available;
 	unsigned char cas_2_5_available;
 	unsigned char cas_3_0_available;
@@ -1640,7 +1640,7 @@ static void program_rtr(unsigned long *dimm_populated,
 			unsigned char *iic0_dimm_addr,
 			unsigned long num_dimm_banks)
 {
-	PPC440_SYS_INFO board_cfg;
+	PPC4xx_SYS_INFO board_cfg;
 	unsigned long max_refresh_rate;
 	unsigned long dimm_num;
 	unsigned long refresh_rate_type;
@@ -1737,7 +1737,7 @@ static void program_tr(unsigned long *dimm_populated,
 	unsigned long sdram_freq;
 	unsigned long sdr_ddrpll;
 
-	PPC440_SYS_INFO board_cfg;
+	PPC4xx_SYS_INFO board_cfg;
 
 	/*------------------------------------------------------------------
 	 * Get the board configuration info.
@@ -2048,14 +2048,10 @@ static void program_bxcf(unsigned long *dimm_populated,
 	/*------------------------------------------------------------------
 	 * Set the BxCF regs.  First, wipe out the bank config registers.
 	 *-----------------------------------------------------------------*/
-	mtdcr(SDRAMC_CFGADDR, SDRAM_MB0CF);
-	mtdcr(SDRAMC_CFGDATA, 0x00000000);
-	mtdcr(SDRAMC_CFGADDR, SDRAM_MB1CF);
-	mtdcr(SDRAMC_CFGDATA, 0x00000000);
-	mtdcr(SDRAMC_CFGADDR, SDRAM_MB2CF);
-	mtdcr(SDRAMC_CFGDATA, 0x00000000);
-	mtdcr(SDRAMC_CFGADDR, SDRAM_MB3CF);
-	mtdcr(SDRAMC_CFGDATA, 0x00000000);
+	mtsdram(SDRAM_MB0CF, 0x00000000);
+	mtsdram(SDRAM_MB1CF, 0x00000000);
+	mtsdram(SDRAM_MB2CF, 0x00000000);
+	mtsdram(SDRAM_MB3CF, 0x00000000);
 
 	mode = SDRAM_BXCF_M_BE_ENABLE;
 
@@ -2107,8 +2103,9 @@ static void program_bxcf(unsigned long *dimm_populated,
 				bank_0_populated = 1;
 
 			for (ind_rank = 0; ind_rank < num_ranks; ind_rank++) {
-				mtdcr(SDRAMC_CFGADDR, SDRAM_MB0CF + ((dimm_num + bank_0_populated + ind_rank) << 2));
-				mtdcr(SDRAMC_CFGDATA, mode);
+				mtsdram(SDRAM_MB0CF +
+					((dimm_num + bank_0_populated + ind_rank) << 2),
+					mode);
 			}
 		}
 	}
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 71a9e37..bfe0864 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -81,6 +81,9 @@
 #include <common.h>
 #include <net.h>
 #include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
 #include <commproc.h>
 #include <ppc4xx.h>
 #include <ppc4xx_enet.h>
@@ -105,7 +108,7 @@
 #endif
 
 #define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */
-#define PHY_AUTONEGOTIATE_TIMEOUT 4000	/* 4000 ms autonegotiate timeout */
+#define PHY_AUTONEGOTIATE_TIMEOUT 5000	/* 5000 ms autonegotiate timeout */
 
 /* Ethernet Transmit and Receive Buffers */
 /* AS.HARNOIS
@@ -133,13 +136,15 @@
 #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
 
@@ -156,7 +161,14 @@ struct eth_device *emac0_dev = NULL;
 /*
  * Get count of EMAC devices (doesn't have to be the max. possible number
  * supported by the cpu)
+ *
+ * CONFIG_BOARD_EMAC_COUNT added so now a "dynamic" way to configure the
+ * EMAC count is possible. As it is needed for the Kilauea/Haleakala
+ * 405EX/405EXr eval board, using the same binary.
  */
+#if defined(CONFIG_BOARD_EMAC_COUNT)
+#define LAST_EMAC_NUM	board_emac_count()
+#else /* CONFIG_BOARD_EMAC_COUNT */
 #if defined(CONFIG_HAS_ETH3)
 #define LAST_EMAC_NUM	4
 #elif defined(CONFIG_HAS_ETH2)
@@ -166,12 +178,23 @@ struct eth_device *emac0_dev = NULL;
 #else
 #define LAST_EMAC_NUM	1
 #endif
+#endif /* CONFIG_BOARD_EMAC_COUNT */
 
 /* normal boards start with EMAC0 */
 #if !defined(CONFIG_EMAC_NR_START)
 #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)
+
 /*-----------------------------------------------------------------------------+
  * Prototypes and externals.
  *-----------------------------------------------------------------------------*/
@@ -189,6 +212,8 @@ extern int emac4xx_miiphy_read (char *devname, unsigned char addr,
 extern int emac4xx_miiphy_write (char *devname, unsigned char addr,
 		unsigned char reg, unsigned short value);
 
+int board_emac_count(void);
+
 /*-----------------------------------------------------------------------------+
 | ppc_4xx_eth_halt
 | Disable MAL channel, and EMACn
@@ -197,11 +222,13 @@ 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
 
-	out32 (EMAC_IER + hw_p->hw_addr, 0x00000000);	/* disable emac interrupts */
+	out_be32((void *)EMAC_IER + hw_p->hw_addr, 0x00000000);	/* disable emac interrupts */
 
 	/* 1st reset MAL channel */
 	/* Note: writing a 0 to a channel has no effect */
@@ -221,16 +248,20 @@ 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);
 	mtsdr(sdr_mfr, mfr);
 #endif
 
-	out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
+	out_be32((void *)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);
@@ -329,8 +360,8 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 	/* Ensure we setup mdio for this devnum and ONLY this devnum */
 	zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
 
-	out32 (ZMII_FER, zmiifer);
-	out32 (RGMII_FER, rmiifer);
+	out_be32((void *)ZMII_FER, zmiifer);
+	out_be32((void *)RGMII_FER, rmiifer);
 
 	return ((int)pfc1);
 }
@@ -348,31 +379,31 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 	switch (pfc1) {
 	case SDR0_PFC1_SELECT_CONFIG_2:
 		/* 1 x GMII port */
-		out32 (ZMII_FER, 0x00);
-		out32 (RGMII_FER, 0x00000037);
+		out_be32((void *)ZMII_FER, 0x00);
+		out_be32((void *)RGMII_FER, 0x00000037);
 		bis->bi_phymode[0] = BI_PHYMODE_GMII;
 		bis->bi_phymode[1] = BI_PHYMODE_NONE;
 		break;
 	case SDR0_PFC1_SELECT_CONFIG_4:
 		/* 2 x RGMII ports */
-		out32 (ZMII_FER, 0x00);
-		out32 (RGMII_FER, 0x00000055);
+		out_be32((void *)ZMII_FER, 0x00);
+		out_be32((void *)RGMII_FER, 0x00000055);
 		bis->bi_phymode[0] = BI_PHYMODE_RGMII;
 		bis->bi_phymode[1] = BI_PHYMODE_RGMII;
 		break;
 	case SDR0_PFC1_SELECT_CONFIG_6:
 		/* 2 x SMII ports */
-		out32 (ZMII_FER,
-		       ((ZMII_FER_SMII) << ZMII_FER_V(0)) |
-		       ((ZMII_FER_SMII) << ZMII_FER_V(1)));
-		out32 (RGMII_FER, 0x00000000);
+		out_be32((void *)ZMII_FER,
+			 ((ZMII_FER_SMII) << ZMII_FER_V(0)) |
+			 ((ZMII_FER_SMII) << ZMII_FER_V(1)));
+		out_be32((void *)RGMII_FER, 0x00000000);
 		bis->bi_phymode[0] = BI_PHYMODE_SMII;
 		bis->bi_phymode[1] = BI_PHYMODE_SMII;
 		break;
 	case SDR0_PFC1_SELECT_CONFIG_1_2:
 		/* only 1 x MII supported */
-		out32 (ZMII_FER, (ZMII_FER_MII) << ZMII_FER_V(0));
-		out32 (RGMII_FER, 0x00000000);
+		out_be32((void *)ZMII_FER, (ZMII_FER_MII) << ZMII_FER_V(0));
+		out_be32((void *)RGMII_FER, 0x00000000);
 		bis->bi_phymode[0] = BI_PHYMODE_MII;
 		bis->bi_phymode[1] = BI_PHYMODE_NONE;
 		break;
@@ -381,17 +412,55 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
 	}
 
 	/* Ensure we setup mdio for this devnum and ONLY this devnum */
-	zmiifer = in32 (ZMII_FER);
+	zmiifer = in_be32((void *)ZMII_FER);
 	zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
-	out32 (ZMII_FER, zmiifer);
+	out_be32((void *)ZMII_FER, zmiifer);
 
 	return ((int)0x0);
 }
 #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 */
+		out_be32((void *)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 = in_be32((void *)RGMII_FER);
+	gmiifer |= (1 << (19-devnum));
+	out_be32((void *)RGMII_FER, gmiifer);
+
+	return ((int)0x0);
+}
+#endif  /* CONFIG_405EX */
+
+static inline void *malloc_aligned(u32 size, u32 align)
+{
+	return (void *)(((u32)malloc(size + align) + align - 1) &
+			~(align - 1));
+}
+
 static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 {
-	int i, j;
+	int i;
 	unsigned long reg = 0;
 	unsigned long msr;
 	unsigned long speed;
@@ -402,18 +471,22 @@ 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
-
+	u32 bd_cached;
+	u32 bd_uncached = 0;
 
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 
@@ -426,7 +499,8 @@ 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
@@ -476,53 +550,57 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	/* NOTE: Therefore, disable all other EMACS, since we handle */
 	/* NOTE: only one emac at a time */
 	reg = 0;
-	out32 (ZMII_FER, 0);
+	out_be32((void *)ZMII_FER, 0);
 	udelay (100);
 
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
-	out32 (ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
+	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)
 	ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
 #elif defined(CONFIG_440GP)
 	/* set RMII mode */
-	out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
+	out_be32((void *)ZMII_FER, ZMII_RMII | ZMII_MDI0);
 #else
 	if ((devnum == 0) || (devnum == 1)) {
-		out32 (ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
+		out_be32((void *)ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
 	} else { /* ((devnum == 2) || (devnum == 3)) */
-		out32 (ZMII_FER, ZMII_FER_MDI << ZMII_FER_V (devnum));
-		out32 (RGMII_FER, ((RGMII_FER_RGMII << RGMII_FER_V (2)) |
-				   (RGMII_FER_RGMII << RGMII_FER_V (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
 
-	out32 (ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum));
+	out_be32((void *)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);
 	mtsdr(sdr_mfr, mfr);
 #endif
 
-	out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
-	__asm__ volatile ("eieio");
+	out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
 
 	failsafe = 1000;
-	while ((in32 (EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) {
+	while ((in_be32((void *)EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) {
 		udelay (1000);
 		failsafe--;
 	}
 	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 +609,8 @@ 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;
@@ -545,7 +624,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	else
 		mode_reg |= EMAC_M1_OBCI_GT100;
 
-	out32 (EMAC_M1 + hw_p->hw_addr, mode_reg);
+	out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg);
 #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */
 
 	/* wait for PHY to complete auto negotiation */
@@ -591,7 +670,8 @@ 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)
 		/*
@@ -702,11 +782,11 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 #endif
 
 	/* Set ZMII/RGMII speed according to the phy link speed */
-	reg = in32 (ZMII_SSR);
+	reg = in_be32((void *)ZMII_SSR);
 	if ( (speed == 100) || (speed == 1000) )
-		out32 (ZMII_SSR, reg | (ZMII_SSR_SP << ZMII_SSR_V (devnum)));
+		out_be32((void *)ZMII_SSR, reg | (ZMII_SSR_SP << ZMII_SSR_V (devnum)));
 	else
-		out32 (ZMII_SSR, reg & (~(ZMII_SSR_SP << ZMII_SSR_V (devnum))));
+		out_be32((void *)ZMII_SSR, reg & (~(ZMII_SSR_SP << ZMII_SSR_V (devnum))));
 
 	if ((devnum == 2) || (devnum == 3)) {
 		if (speed == 1000)
@@ -719,11 +799,12 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 			printf("Error in RGMII Speed\n");
 			return -1;
 		}
-		out32 (RGMII_SSR, reg);
+		out_be32((void *)RGMII_SSR, reg);
 	}
 #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)
@@ -734,13 +815,14 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		printf("Error in RGMII Speed\n");
 		return -1;
 	}
-	out32 (RGMII_SSR, reg);
+	out_be32((void *)RGMII_SSR, reg);
 #endif
 
 	/* 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
@@ -751,91 +833,58 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	}
 #endif
 
-	/* Free "old" buffers */
-	if (hw_p->alloc_tx_buf)
-		free (hw_p->alloc_tx_buf);
-	if (hw_p->alloc_rx_buf)
-		free (hw_p->alloc_rx_buf);
-
 	/*
 	 * Malloc MAL buffer desciptors, make sure they are
 	 * aligned on cache line boundary size
 	 * (401/403/IOP480 = 16, 405 = 32)
 	 * and doesn't cross cache block boundaries.
 	 */
-	hw_p->alloc_tx_buf =
-		(mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_TX_BUFF) +
-				       ((2 * CFG_CACHELINE_SIZE) - 2));
-	if (NULL == hw_p->alloc_tx_buf)
-		return -1;
-	if (((int) hw_p->alloc_tx_buf & CACHELINE_MASK) != 0) {
-		hw_p->tx =
-			(mal_desc_t *) ((int) hw_p->alloc_tx_buf +
-					CFG_CACHELINE_SIZE -
-					((int) hw_p->
-					 alloc_tx_buf & CACHELINE_MASK));
-	} else {
-		hw_p->tx = hw_p->alloc_tx_buf;
-	}
+	if (hw_p->first_init == 0) {
+		debug("*** Allocating descriptor memory ***\n");
 
-	hw_p->alloc_rx_buf =
-		(mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_RX_BUFF) +
-				       ((2 * CFG_CACHELINE_SIZE) - 2));
-	if (NULL == hw_p->alloc_rx_buf) {
-		free(hw_p->alloc_tx_buf);
-		hw_p->alloc_tx_buf = NULL;
-		return -1;
-	}
+		bd_cached = (u32)malloc_aligned(MAL_ALLOC_SIZE, 4096);
+		if (!bd_cached) {
+			printf("%s: Error allocating MAL descriptor buffers!\n");
+			return -1;
+		}
 
-	if (((int) hw_p->alloc_rx_buf & CACHELINE_MASK) != 0) {
-		hw_p->rx =
-			(mal_desc_t *) ((int) hw_p->alloc_rx_buf +
-					CFG_CACHELINE_SIZE -
-					((int) hw_p->
-					 alloc_rx_buf & CACHELINE_MASK));
-	} else {
-		hw_p->rx = hw_p->alloc_rx_buf;
+#ifdef CONFIG_4xx_DCACHE
+		flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
+		bd_uncached = bis->bi_memsize;
+		program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE,
+			    TLB_WORD2_I_ENABLE);
+#else
+		bd_uncached = bd_cached;
+#endif
+		hw_p->tx_phys = bd_cached;
+		hw_p->rx_phys = bd_cached + MAL_TX_DESC_SIZE;
+		hw_p->tx = (mal_desc_t *)(bd_uncached);
+		hw_p->rx = (mal_desc_t *)(bd_uncached + MAL_TX_DESC_SIZE);
+		debug("hw_p->tx=%08x, hw_p->rx=%08x\n", hw_p->tx, hw_p->rx);
 	}
 
 	for (i = 0; i < NUM_TX_BUFF; i++) {
 		hw_p->tx[i].ctrl = 0;
 		hw_p->tx[i].data_len = 0;
-		if (hw_p->first_init == 0) {
-			hw_p->txbuf_ptr =
-				(char *) malloc (ENET_MAX_MTU_ALIGNED);
-			if (NULL == hw_p->txbuf_ptr) {
-				free(hw_p->alloc_rx_buf);
-				free(hw_p->alloc_tx_buf);
-				hw_p->alloc_rx_buf = NULL;
-				hw_p->alloc_tx_buf = NULL;
-				for(j = 0; j < i; j++) {
-					free(hw_p->tx[i].data_ptr);
-					hw_p->tx[i].data_ptr = NULL;
-				}
-			}
-		}
+		if (hw_p->first_init == 0)
+			hw_p->txbuf_ptr = malloc_aligned(MAL_ALLOC_SIZE,
+							 L1_CACHE_BYTES);
 		hw_p->tx[i].data_ptr = hw_p->txbuf_ptr;
 		if ((NUM_TX_BUFF - 1) == i)
 			hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP;
 		hw_p->tx_run[i] = -1;
-#if 0
-		printf ("TX_BUFF %d @ 0x%08lx\n", i,
-			(ulong) hw_p->tx[i].data_ptr);
-#endif
+		debug("TX_BUFF %d @ 0x%08lx\n", i, (u32)hw_p->tx[i].data_ptr);
 	}
 
 	for (i = 0; i < NUM_RX_BUFF; i++) {
 		hw_p->rx[i].ctrl = 0;
 		hw_p->rx[i].data_len = 0;
-		/*	 rx[i].data_ptr = (char *) &rx_buff[i]; */
-		hw_p->rx[i].data_ptr = (char *) NetRxPackets[i];
+		hw_p->rx[i].data_ptr = (char *)NetRxPackets[i];
 		if ((NUM_RX_BUFF - 1) == i)
 			hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP;
 		hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR;
 		hw_p->rx_ready[i] = -1;
-#if 0
-		printf ("RX_BUFF %d @ 0x%08lx\n", i, (ulong) hw_p->rx[i].data_ptr);
-#endif
+		debug("RX_BUFF %d @ 0x%08lx\n", i, (u32)hw_p->rx[i].data_ptr);
 	}
 
 	reg = 0x00000000;
@@ -844,7 +893,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	reg = reg << 8;
 	reg |= dev->enetaddr[1];
 
-	out32 (EMAC_IAH + hw_p->hw_addr, reg);
+	out_be32((void *)EMAC_IAH + hw_p->hw_addr, reg);
 
 	reg = 0x00000000;
 	reg |= dev->enetaddr[2];	/* set low address  */
@@ -855,21 +904,21 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	reg = reg << 8;
 	reg |= dev->enetaddr[5];
 
-	out32 (EMAC_IAL + hw_p->hw_addr, reg);
+	out_be32((void *)EMAC_IAL + hw_p->hw_addr, reg);
 
 	switch (devnum) {
 	case 1:
 		/* setup MAL tx & rx channel pointers */
 #if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR)
-		mtdcr (maltxctp2r, hw_p->tx);
+		mtdcr (maltxctp2r, hw_p->tx_phys);
 #else
-		mtdcr (maltxctp1r, hw_p->tx);
+		mtdcr (maltxctp1r, hw_p->tx_phys);
 #endif
 #if defined(CONFIG_440)
 		mtdcr (maltxbattr, 0x0);
 		mtdcr (malrxbattr, 0x0);
 #endif
-		mtdcr (malrxctp1r, hw_p->rx);
+		mtdcr (malrxctp1r, hw_p->rx_phys);
 		/* set RX buffer size */
 		mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16);
 		break;
@@ -878,17 +927,17 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		/* setup MAL tx & rx channel pointers */
 		mtdcr (maltxbattr, 0x0);
 		mtdcr (malrxbattr, 0x0);
-		mtdcr (maltxctp2r, hw_p->tx);
-		mtdcr (malrxctp2r, hw_p->rx);
+		mtdcr (maltxctp2r, hw_p->tx_phys);
+		mtdcr (malrxctp2r, hw_p->rx_phys);
 		/* set RX buffer size */
 		mtdcr (malrcbs2, ENET_MAX_MTU_ALIGNED / 16);
 		break;
 	case 3:
 		/* setup MAL tx & rx channel pointers */
 		mtdcr (maltxbattr, 0x0);
-		mtdcr (maltxctp3r, hw_p->tx);
+		mtdcr (maltxctp3r, hw_p->tx_phys);
 		mtdcr (malrxbattr, 0x0);
-		mtdcr (malrxctp3r, hw_p->rx);
+		mtdcr (malrxctp3r, hw_p->rx_phys);
 		/* set RX buffer size */
 		mtdcr (malrcbs3, ENET_MAX_MTU_ALIGNED / 16);
 		break;
@@ -900,8 +949,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 		mtdcr (maltxbattr, 0x0);
 		mtdcr (malrxbattr, 0x0);
 #endif
-		mtdcr (maltxctp0r, hw_p->tx);
-		mtdcr (malrxctp0r, hw_p->rx);
+		mtdcr (maltxctp0r, hw_p->tx_phys);
+		mtdcr (malrxctp0r, hw_p->rx_phys);
 		/* set RX buffer size */
 		mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16);
 		break;
@@ -916,10 +965,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	mtdcr (malrxcasr, (MAL_TXRX_CASR >> hw_p->devnum));
 
 	/* set transmit enable & receive enable */
-	out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE);
+	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 = in32 (EMAC_M1 + hw_p->hw_addr);
+	mode_reg = in_be32((void *)EMAC_M1 + hw_p->hw_addr);
 	mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K;
 
 	/* set speed */
@@ -940,46 +989,46 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 	if (duplex == FULL)
 		mode_reg = mode_reg | 0x80000000 | EMAC_M1_IST;
 
-	out32 (EMAC_M1 + hw_p->hw_addr, mode_reg);
+	out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg);
 
 	/* Enable broadcast and indvidual address */
 	/* TBS: enabling runts as some misbehaved nics will send runts */
-	out32 (EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE);
+	out_be32((void *)EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE);
 
 	/* we probably need to set the tx mode1 reg? maybe at tx time */
 
 	/* set transmit request threshold register */
-	out32 (EMAC_TRTR + hw_p->hw_addr, 0x18000000);	/* 256 byte threshold */
+	out_be32((void *)EMAC_TRTR + hw_p->hw_addr, 0x18000000);	/* 256 byte threshold */
 
 	/* set receive	low/high water mark register */
 #if defined(CONFIG_440)
 	/* 440s has a 64 byte burst length */
-	out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000);
+	out_be32((void *)EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000);
 #else
 	/* 405s have a 16 byte burst length */
-	out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
+	out_be32((void *)EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
 #endif /* defined(CONFIG_440) */
-	out32 (EMAC_TXM1 + hw_p->hw_addr, 0xf8640000);
+	out_be32((void *)EMAC_TXM1 + hw_p->hw_addr, 0xf8640000);
 
 	/* Set fifo limit entry in tx mode 0 */
-	out32 (EMAC_TXM0 + hw_p->hw_addr, 0x00000003);
+	out_be32((void *)EMAC_TXM0 + hw_p->hw_addr, 0x00000003);
 	/* Frame gap set */
-	out32 (EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008);
+	out_be32((void *)EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008);
 
 	/* Set EMAC IER */
 	hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE;
 	if (speed == _100BASET)
 		hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE;
 
-	out32 (EMAC_ISR + hw_p->hw_addr, 0xffffffff);	/* clear pending interrupts */
-	out32 (EMAC_IER + hw_p->hw_addr, hw_p->emac_ier);
+	out_be32((void *)EMAC_ISR + hw_p->hw_addr, 0xffffffff);	/* clear pending interrupts */
+	out_be32((void *)EMAC_IER + hw_p->hw_addr, hw_p->emac_ier);
 
 	if (hw_p->first_init == 0) {
 		/*
 		 * 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 */
@@ -1015,6 +1064,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 
 	/*   memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */
 	memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len);
+	flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len);
 
 	/*-----------------------------------------------------------------------+
 	 * set TX Buffer busy, and send it
@@ -1030,8 +1080,8 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 
 	__asm__ volatile ("eieio");
 
-	out32 (EMAC_TXM0 + hw_p->hw_addr,
-	       in32 (EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0);
+	out_be32((void *)EMAC_TXM0 + hw_p->hw_addr,
+		 in_be32((void *)EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0);
 #ifdef INFO_4XX_ENET
 	hw_p->stats.pkts_tx++;
 #endif
@@ -1041,7 +1091,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
 	 *-----------------------------------------------------------------------*/
 	time_start = get_timer (0);
 	while (1) {
-		temp_txm0 = in32 (EMAC_TXM0 + hw_p->hw_addr);
+		temp_txm0 = in_be32((void *)EMAC_TXM0 + hw_p->hw_addr);
 		/* loop until either TINT turns on or 3 seconds elapse */
 		if ((temp_txm0 & EMAC_TXM0_GNP0) != 0) {
 			/* transmit is done, so now check for errors
@@ -1059,7 +1109,7 @@ 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 +1123,8 @@ 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
@@ -1149,7 +1200,7 @@ int enetInt (struct eth_device *dev)
 		/* port by port dispatch of emac interrupts */
 		if (hw_p->devnum == 0) {
 			if (UIC_ETH0 & my_uicmsr_ethx) {	/* look for EMAC errors */
-				emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+				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;
@@ -1168,7 +1219,7 @@ int enetInt (struct eth_device *dev)
 #if !defined(CONFIG_440SP)
 		if (hw_p->devnum == 1) {
 			if (UIC_ETH1 & my_uicmsr_ethx) {	/* look for EMAC errors */
-				emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+				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;
@@ -1186,7 +1237,7 @@ int enetInt (struct eth_device *dev)
 #if defined (CONFIG_440GX)
 		if (hw_p->devnum == 2) {
 			if (UIC_ETH2 & my_uic2msr) {	/* look for EMAC errors */
-				emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+				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;
@@ -1204,7 +1255,7 @@ int enetInt (struct eth_device *dev)
 
 		if (hw_p->devnum == 3) {
 			if (UIC_ETH3 & my_uic2msr) {	/* look for EMAC errors */
-				emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+				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;
@@ -1316,7 +1367,7 @@ int enetInt (struct eth_device *dev)
 		/* port by port dispatch of emac interrupts */
 
 		if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) {	/* look for EMAC errors */
-			emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+			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;
@@ -1390,7 +1441,7 @@ static void emac_err (struct eth_device *dev, unsigned long isr)
 	EMAC_4XX_HW_PST hw_p = dev->priv;
 
 	printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr);
-	out32 (EMAC_ISR + hw_p->hw_addr, isr);
+	out_be32((void *)EMAC_ISR + hw_p->hw_addr, isr);
 }
 
 /*-----------------------------------------------------------------------------+
@@ -1513,6 +1564,9 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
 		/* Pass the packet up to the protocol layers. */
 		/*	 NetReceive(NetRxPackets[rxIdx], length - 4); */
 		/*	 NetReceive(NetRxPackets[i], length); */
+		invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr,
+					(u32)hw_p->rx[user_index].data_ptr +
+					length - 4);
 		NetReceive (NetRxPackets[user_index], length - 4);
 		/* Free Recv Buffer */
 		hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;
@@ -1601,7 +1655,11 @@ 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 +1707,9 @@ 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/405gp_pci.c b/cpu/ppc4xx/4xx_pci.c
index 282e7a1..a68c419 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/4xx_pci.c
@@ -72,7 +72,7 @@
 #include <common.h>
 #include <command.h>
 #if !defined(CONFIG_440)
-#include <405gp_pci.h>
+#include <asm/4xx_pci.h>
 #endif
 #include <asm/processor.h>
 #include <pci.h>
@@ -592,4 +592,15 @@ void pci_init_board(void)
 }
 
 #endif /* CONFIG_440 */
+
+#if defined(CONFIG_405EX)
+void pci_init_board(void)
+{
+#ifdef CONFIG_PCI_SCAN_SHOW
+	printf("PCI:   Bus Dev VenId DevId Class Int\n");
+#endif
+	pcie_setup_hoses(0);
+}
+#endif /* CONFIG_405EX */
+
 #endif /* CONFIG_PCI */
diff --git a/cpu/ppc4xx/440spe_pcie.c b/cpu/ppc4xx/4xx_pcie.c
index 3eac0ae..3af9862 100644
--- a/cpu/ppc4xx/440spe_pcie.c
+++ b/cpu/ppc4xx/4xx_pcie.c
@@ -20,15 +20,21 @@
  *
  */
 
+/* define DEBUG for debugging output (obviously ;-)) */
+#if 0
+#define DEBUG
+#endif
+
 #include <asm/processor.h>
 #include <asm-ppc/io.h>
 #include <ppc4xx.h>
 #include <common.h>
 #include <pci.h>
 
-#if defined(CONFIG_440SPE) && defined(CONFIG_PCI)
+#if (defined(CONFIG_440SPE) || defined(CONFIG_405EX)) && \
+    defined(CONFIG_PCI)
 
-#include "440spe_pcie.h"
+#include <asm/4xx_pcie.h>
 
 enum {
 	PTYPE_ENDPOINT		= 0x0,
@@ -40,6 +46,20 @@ enum {
 	LNKW_X8			= 0x8
 };
 
+static int validate_endpoint(struct pci_controller *hose)
+{
+	if (hose->cfg_data == (u8 *)CFG_PCIE0_CFGBASE)
+		return (is_end_point(0));
+	else if (hose->cfg_data == (u8 *)CFG_PCIE1_CFGBASE)
+		return (is_end_point(1));
+#if CFG_PCIE_NR_PORTS > 2
+	else if (hose->cfg_data == (u8 *)CFG_PCIE2_CFGBASE)
+		return (is_end_point(2));
+#endif
+
+	return 0;
+}
+
 static u8* pcie_get_base(struct pci_controller *hose, unsigned int devfn)
 {
 	u8 *base = (u8*)hose->cfg_data;
@@ -50,8 +70,10 @@ static u8* pcie_get_base(struct pci_controller *hose, unsigned int devfn)
 			base = (u8*)CFG_PCIE0_XCFGBASE;
 		if (hose->cfg_data == (u8*)CFG_PCIE1_CFGBASE)
 			base = (u8*)CFG_PCIE1_XCFGBASE;
+#if CFG_PCIE_NR_PORTS > 2
 		if (hose->cfg_data == (u8*)CFG_PCIE2_CFGBASE)
 			base = (u8*)CFG_PCIE2_XCFGBASE;
+#endif
 	}
 
 	return base;
@@ -63,8 +85,10 @@ static void pcie_dmer_disable(void)
 		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE)) | GPL_DMER_MASK_DISA);
 	mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE),
 		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE)) | GPL_DMER_MASK_DISA);
+#if CFG_PCIE_NR_PORTS > 2
 	mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE),
 		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE)) | GPL_DMER_MASK_DISA);
+#endif
 }
 
 static void pcie_dmer_enable(void)
@@ -73,8 +97,10 @@ static void pcie_dmer_enable(void)
 		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE)) & ~GPL_DMER_MASK_DISA);
 	mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE1_BASE),
 		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE)) & ~GPL_DMER_MASK_DISA);
+#if CFG_PCIE_NR_PORTS > 2
 	mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE2_BASE),
 		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE)) & ~GPL_DMER_MASK_DISA);
+#endif
 }
 
 static int pcie_read_config(struct pci_controller *hose, unsigned int devfn,
@@ -83,6 +109,9 @@ static int pcie_read_config(struct pci_controller *hose, unsigned int devfn,
 	u8 *address;
 	*val = 0;
 
+	if (validate_endpoint(hose))
+		return 0;		/* No upstream config access */
+
 	/*
 	 * Bus numbers are relative to hose->first_busno
 	 */
@@ -115,6 +144,7 @@ static int pcie_read_config(struct pci_controller *hose, unsigned int devfn,
 	 */
 	pcie_dmer_disable ();
 
+	debug("%s: cfg_data=%08x offset=%08x\n", __func__, hose->cfg_data, offset);
 	switch (len) {
 	case 1:
 		*val = in_8(hose->cfg_data + offset);
@@ -137,6 +167,9 @@ static int pcie_write_config(struct pci_controller *hose, unsigned int devfn,
 
 	u8 *address;
 
+	if (validate_endpoint(hose))
+		return 0;		/* No upstream config access */
+
 	/*
 	 * Bus numbers are relative to hose->first_busno
 	 */
@@ -222,7 +255,8 @@ int pcie_write_config_dword(struct pci_controller *hose,pci_dev_t dev,int offset
 	return pcie_write_config(hose,(u32)dev,offset,3,(u32 )val);
 }
 
-static void ppc440spe_setup_utl(u32 port) {
+#if defined(CONFIG_440SPE)
+static void ppc4xx_setup_utl(u32 port) {
 
 	volatile void *utl_base = NULL;
 
@@ -333,7 +367,7 @@ static int check_error(void)
 /*
  * Initialize PCI Express core
  */
-int ppc440spe_init_pcie(void)
+int ppc4xx_init_pcie(void)
 {
 	int time_out = 20;
 
@@ -366,13 +400,223 @@ int ppc440spe_init_pcie(void)
 	}
 	return 0;
 }
+#else
+static void ppc4xx_setup_utl(u32 port)
+{
+	u32 utl_base;
+
+	/*
+	 * Map UTL registers at 0xef4f_n000 (4K 0xfff mask) PEGPLn_REGMSK
+	 */
+	switch (port) {
+	case 0:
+		mtdcr(DCRN_PEGPL_REGBAH(PCIE0), 0x00000000);
+		mtdcr(DCRN_PEGPL_REGBAL(PCIE0), CFG_PCIE0_UTLBASE);
+		mtdcr(DCRN_PEGPL_REGMSK(PCIE0), 0x00007001); /* 4k region, valid */
+		mtdcr(DCRN_PEGPL_SPECIAL(PCIE0), 0);
+		break;
+
+	case 1:
+		mtdcr(DCRN_PEGPL_REGBAH(PCIE1), 0x00000000);
+		mtdcr(DCRN_PEGPL_REGBAL(PCIE1), CFG_PCIE1_UTLBASE);
+		mtdcr(DCRN_PEGPL_REGMSK(PCIE1), 0x00007001); /* 4k region, valid */
+		mtdcr(DCRN_PEGPL_SPECIAL(PCIE1), 0);
+
+		break;
+	}
+	utl_base = (port==0) ? CFG_PCIE0_UTLBASE : CFG_PCIE1_UTLBASE;
+
+	/*
+	 * Set buffer allocations and then assert VRB and TXE.
+	 */
+	out_be32((u32 *)(utl_base + PEUTL_OUTTR),   0x02000000);
+	out_be32((u32 *)(utl_base + PEUTL_INTR),    0x02000000);
+	out_be32((u32 *)(utl_base + PEUTL_OPDBSZ),  0x04000000);
+	out_be32((u32 *)(utl_base + PEUTL_PBBSZ),   0x21000000);
+	out_be32((u32 *)(utl_base + PEUTL_IPHBSZ),  0x02000000);
+	out_be32((u32 *)(utl_base + PEUTL_IPDBSZ),  0x04000000);
+	out_be32((u32 *)(utl_base + PEUTL_RCIRQEN), 0x00f00000);
+	out_be32((u32 *)(utl_base + PEUTL_PCTL),    0x80800066);
+
+	out_be32((u32 *)(utl_base + PEUTL_PBCTL),   0x0800000c);
+	out_be32((u32 *)(utl_base + PEUTL_RCSTA),
+		 in_be32((u32 *)(utl_base + PEUTL_RCSTA)) | 0x000040000);
+}
+
+int ppc4xx_init_pcie(void)
+{
+	/*
+	 * Nothing to do on 405EX
+	 */
+	return 0;
+}
+#endif
 
 /*
- *  Yucca board as End point and root point setup
+ * Board-specific pcie initialization
+ * Platform code can reimplement ppc4xx_init_pcie_port_hw() if needed
+ */
+
+/*
+ * Initialize various parts of the PCI Express core for our port:
+ *
+ * - Set as a root port and enable max width
+ *   (PXIE0 -> X8, PCIE1 and PCIE2 -> X4).
+ * - Set up UTL configuration.
+ * - Increase SERDES drive strength to levels suggested by AMCC.
+ * - De-assert RSTPYN, RSTDL and RSTGU.
+ *
+ * NOTICE for 440SPE revB chip: PESDRn_UTLSET2 is not set - we leave it
+ * with default setting 0x11310000. The register has new fields,
+ * PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core
+ * hang.
+ */
+#if defined(CONFIG_440SPE)
+int __ppc4xx_init_pcie_port_hw(int port, int rootport)
+{
+	u32 val = 1 << 24;
+	u32 utlset1;
+
+	if (rootport) {
+		val = PTYPE_ROOT_PORT << 20;
+		utlset1 = 0x21222222;
+	} else {
+		val = PTYPE_LEGACY_ENDPOINT << 20;
+		utlset1 = 0x20222222;
+	}
+
+	if (port == 0)
+		val |= LNKW_X8 << 12;
+	else
+		val |= LNKW_X4 << 12;
+
+	SDR_WRITE(SDRN_PESDR_DLPSET(port), val);
+	SDR_WRITE(SDRN_PESDR_UTLSET1(port), utlset1);
+	if (!ppc440spe_revB())
+		SDR_WRITE(SDRN_PESDR_UTLSET2(port), 0x11000000);
+	SDR_WRITE(SDRN_PESDR_HSSL0SET1(port), 0x35000000);
+	SDR_WRITE(SDRN_PESDR_HSSL1SET1(port), 0x35000000);
+	SDR_WRITE(SDRN_PESDR_HSSL2SET1(port), 0x35000000);
+	SDR_WRITE(SDRN_PESDR_HSSL3SET1(port), 0x35000000);
+	if (port == 0) {
+		SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000);
+		SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000);
+		SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000);
+		SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000);
+	}
+	SDR_WRITE(SDRN_PESDR_RCSSET(port), (SDR_READ(SDRN_PESDR_RCSSET(port)) &
+					    ~(1 << 24 | 1 << 16)) | 1 << 12);
+
+	return 0;
+}
+#endif /* CONFIG_440SPE */
+
+#if defined(CONFIG_405EX)
+int __ppc4xx_init_pcie_port_hw(int port, int rootport)
+{
+	u32 val;
+
+	if (rootport)
+		val = 0x00401000;
+	else
+		val = 0x00101000;
+
+	SDR_WRITE(SDRN_PESDR_DLPSET(port), val);
+	SDR_WRITE(SDRN_PESDR_UTLSET1(port), 0x00000000);
+	SDR_WRITE(SDRN_PESDR_UTLSET2(port), 0x01010000);
+	SDR_WRITE(SDRN_PESDR_PHYSET1(port), 0x720F0000);
+	SDR_WRITE(SDRN_PESDR_PHYSET2(port), 0x70600003);
+
+	/* Assert the PE0_PHY reset */
+	SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x01010000);
+	udelay(1000);
+
+	/* deassert the PE0_hotreset */
+	if (is_end_point(port))
+		SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x01111000);
+	else
+		SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x01101000);
+
+	/* poll for phy !reset */
+	while (!(SDR_READ(SDRN_PESDR_PHYSTA(port)) & 0x00001000))
+		;
+
+	/* deassert the PE0_gpl_utl_reset */
+	SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x00101000);
+
+	if (port == 0)
+		mtdcr(DCRN_PEGPL_CFG(PCIE0), 0x10000000);  /* guarded on */
+	else
+		mtdcr(DCRN_PEGPL_CFG(PCIE1), 0x10000000);  /* guarded on */
+
+	return 0;
+}
+#endif /* CONFIG_405EX */
+
+int ppc4xx_init_pcie_port_hw(int port, int rootport)
+__attribute__((weak, alias("__ppc4xx_init_pcie_port_hw")));
+
+/*
+ * We map PCI Express configuration access into the 512MB regions
+ *
+ * NOTICE: revB is very strict about PLB real addressess and ranges to
+ * be mapped for config space; it seems to only work with d_nnnn_nnnn
+ * range (hangs the core upon config transaction attempts when set
+ * otherwise) while revA uses c_nnnn_nnnn.
+ *
+ * For revA:
+ *     PCIE0: 0xc_4000_0000
+ *     PCIE1: 0xc_8000_0000
+ *     PCIE2: 0xc_c000_0000
+ *
+ * For revB:
+ *     PCIE0: 0xd_0000_0000
+ *     PCIE1: 0xd_2000_0000
+ *     PCIE2: 0xd_4000_0000
+ *
+ * For 405EX:
+ *     PCIE0: 0xa000_0000
+ *     PCIE1: 0xc000_0000
+ */
+static inline u64 ppc4xx_get_cfgaddr(int port)
+{
+#if defined(CONFIG_405EX)
+	if (port == 0)
+		return (u64)CFG_PCIE0_CFGBASE;
+	else
+		return (u64)CFG_PCIE1_CFGBASE;
+#endif
+#if defined(CONFIG_440SPE)
+	if (ppc440spe_revB()) {
+		switch (port) {
+		default:	/* to satisfy compiler */
+		case 0:
+			return 0x0000000d00000000ULL;
+		case 1:
+			return 0x0000000d20000000ULL;
+		case 2:
+			return 0x0000000d40000000ULL;
+		}
+	} else {
+		switch (port) {
+		default:	/* to satisfy compiler */
+		case 0:
+			return 0x0000000c40000000ULL;
+		case 1:
+			return 0x0000000c80000000ULL;
+		case 2:
+			return 0x0000000cc0000000ULL;
+		}
+	}
+#endif
+}
+
+/*
+ *  4xx boards as end point and root point setup
  *                    and
  *    testing inbound and out bound windows
  *
- *  YUCCA board can be plugged into another yucca board or you can get PCI-E
+ *  4xx boards can be plugged into another 4xx boards or you can get PCI-E
  *  cable which can be used to setup loop back from one port to another port.
  *  Please rememeber that unless there is a endpoint plugged in to root port it
  *  will not initialize. It is the same in case of endpoint , unless there is
@@ -386,110 +630,47 @@ int ppc440spe_init_pcie(void)
  *  /proc/bus/pci/devices. Where you can see the configuration registers
  *  of end point device attached to the port.
  *
- *  Enpoint cofiguration can be verified by connecting Yucca board to any
- *  host or another yucca board. Then try to scan the device. In case of
+ *  Enpoint cofiguration can be verified by connecting 4xx board to any
+ *  host or another 4xx board. Then try to scan the device. In case of
  *  linux use "lspci" or appripriate os command.
  *
- *  How do I verify the inbound and out bound windows ?(yucca to yucca)
+ *  How do I verify the inbound and out bound windows ? (4xx to 4xx)
  *  in this configuration inbound and outbound windows are setup to access
  *  sram memroy area. SRAM is at 0x4 0000 0000 , on PLB bus. This address
  *  is mapped at 0x90000000. From u-boot prompt write data 0xb000 0000,
  *  This is waere your POM(PLB out bound memory window) mapped. then
- *  read the data from other yucca board's u-boot prompt at address
+ *  read the data from other 4xx board's u-boot prompt at address
  *  0x9000 0000(SRAM). Data should match.
  *  In case of inbound , write data to u-boot command prompt at 0xb000 0000
  *  which is mapped to 0x4 0000 0000. Now on rootpoint yucca u-boot prompt check
  *  data at 0x9000 0000(SRAM).Data should match.
  */
-int ppc440spe_init_pcie_rootport(int port)
+int ppc4xx_init_pcie_port(int port, int rootport)
 {
 	static int core_init;
 	volatile u32 val = 0;
 	int attempts;
+	u64 addr;
+	u32 low, high;
 
 	if (!core_init) {
-		++core_init;
-		if (ppc440spe_init_pcie())
+		if (ppc4xx_init_pcie())
 			return -1;
+		++core_init;
 	}
 
 	/*
-	 * Initialize various parts of the PCI Express core for our port:
-	 *
-	 * - Set as a root port and enable max width
-	 *   (PXIE0 -> X8, PCIE1 and PCIE2 -> X4).
-	 * - Set up UTL configuration.
-	 * - Increase SERDES drive strength to levels suggested by AMCC.
-	 * - De-assert RSTPYN, RSTDL and RSTGU.
-	 *
-	 * NOTICE for revB chip: PESDRn_UTLSET2 is not set - we leave it with
-	 * default setting 0x11310000. The register has new fields,
-	 * PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core
-	 * hang.
+	 * Initialize various parts of the PCI Express core for our port
 	 */
-	switch (port) {
-	case 0:
-		SDR_WRITE(PESDR0_DLPSET,  1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X8 << 12);
-
-		SDR_WRITE(PESDR0_UTLSET1, 0x21222222);
-		if (!ppc440spe_revB())
-			SDR_WRITE(PESDR0_UTLSET2, 0x11000000);
-		SDR_WRITE(PESDR0_HSSL0SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL1SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL2SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL3SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000);
-		SDR_WRITE(PESDR0_RCSSET,
-			  (SDR_READ(PESDR0_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
-		break;
+	ppc4xx_init_pcie_port_hw(port, rootport);
 
-	case 1:
-		SDR_WRITE(PESDR1_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X4 << 12);
-		SDR_WRITE(PESDR1_UTLSET1, 0x21222222);
-		if (!ppc440spe_revB())
-			SDR_WRITE(PESDR1_UTLSET2, 0x11000000);
-		SDR_WRITE(PESDR1_HSSL0SET1, 0x35000000);
-		SDR_WRITE(PESDR1_HSSL1SET1, 0x35000000);
-		SDR_WRITE(PESDR1_HSSL2SET1, 0x35000000);
-		SDR_WRITE(PESDR1_HSSL3SET1, 0x35000000);
-		SDR_WRITE(PESDR1_RCSSET,
-			  (SDR_READ(PESDR1_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
-		break;
-
-	case 2:
-		SDR_WRITE(PESDR2_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X4 << 12);
-		SDR_WRITE(PESDR2_UTLSET1, 0x21222222);
-		if (!ppc440spe_revB())
-			SDR_WRITE(PESDR2_UTLSET2, 0x11000000);
-		SDR_WRITE(PESDR2_HSSL0SET1, 0x35000000);
-		SDR_WRITE(PESDR2_HSSL1SET1, 0x35000000);
-		SDR_WRITE(PESDR2_HSSL2SET1, 0x35000000);
-		SDR_WRITE(PESDR2_HSSL3SET1, 0x35000000);
-		SDR_WRITE(PESDR2_RCSSET,
-			  (SDR_READ(PESDR2_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
-		break;
-	}
 	/*
 	 * Notice: the following delay has critical impact on device
 	 * initialization - if too short (<50ms) the link doesn't get up.
 	 */
 	mdelay(100);
 
-	switch (port) {
-	case 0:
-		val = SDR_READ(PESDR0_RCSSTS);
-		break;
-	case 1:
-		val = SDR_READ(PESDR1_RCSSTS);
-		break;
-	case 2:
-		val = SDR_READ(PESDR2_RCSSTS);
-		break;
-	}
-
+	val = SDR_READ(SDRN_PESDR_RCSSTS(port));
 	if (val & (1 << 20)) {
 		printf("PCIE%d: PGRST failed %08x\n", port, val);
 		return -1;
@@ -498,18 +679,7 @@ int ppc440spe_init_pcie_rootport(int port)
 	/*
 	 * Verify link is up
 	 */
-	val = 0;
-	switch (port) {
-	case 0:
-		val = SDR_READ(PESDR0_LOOP);
-		break;
-	case 1:
-		val = SDR_READ(PESDR1_LOOP);
-		break;
-	case 2:
-		val = SDR_READ(PESDR2_LOOP);
-		break;
-	}
+	val = SDR_READ(SDRN_PESDR_LOOP(port));
 	if (!(val & 0x00001000)) {
 		printf("PCIE%d: link is not up.\n", port);
 		return -1;
@@ -520,331 +690,75 @@ int ppc440spe_init_pcie_rootport(int port)
 	 * We use default settings for revB chip.
 	 */
 	if (!ppc440spe_revB())
-		ppc440spe_setup_utl(port);
+		ppc4xx_setup_utl(port);
 
 	/*
 	 * We map PCI Express configuration access into the 512MB regions
-	 *
-	 * NOTICE: revB is very strict about PLB real addressess and ranges to
-	 * be mapped for config space; it seems to only work with d_nnnn_nnnn
-	 * range (hangs the core upon config transaction attempts when set
-	 * otherwise) while revA uses c_nnnn_nnnn.
-	 *
-	 * For revA:
-	 *     PCIE0: 0xc_4000_0000
-	 *     PCIE1: 0xc_8000_0000
-	 *     PCIE2: 0xc_c000_0000
-	 *
-	 * For revB:
-	 *     PCIE0: 0xd_0000_0000
-	 *     PCIE1: 0xd_2000_0000
-	 *     PCIE2: 0xd_4000_0000
 	 */
+	addr = ppc4xx_get_cfgaddr(port);
+	low = U64_TO_U32_LOW(addr);
+	high = U64_TO_U32_HIGH(addr);
 
 	switch (port) {
 	case 0:
-		if (ppc440spe_revB()) {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000d);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x00000000);
-		} else {
-			/* revA */
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000c);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x40000000);
-		}
+		mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), high);
+		mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), low);
 		mtdcr(DCRN_PEGPL_CFGMSK(PCIE0), 0xe0000001); /* 512MB region, valid */
 		break;
-
 	case 1:
-		if (ppc440spe_revB()) {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000d);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x20000000);
-		} else {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000c);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x80000000);
-		}
+		mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), high);
+		mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), low);
 		mtdcr(DCRN_PEGPL_CFGMSK(PCIE1), 0xe0000001); /* 512MB region, valid */
 		break;
-
+#if CFG_PCIE_NR_PORTS > 2
 	case 2:
-		if (ppc440spe_revB()) {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000d);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0x40000000);
-		} else {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000c);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0xc0000000);
-		}
+		mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), high);
+		mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), low);
 		mtdcr(DCRN_PEGPL_CFGMSK(PCIE2), 0xe0000001); /* 512MB region, valid */
 		break;
+#endif
 	}
 
 	/*
 	 * Check for VC0 active and assert RDY.
 	 */
 	attempts = 10;
-	switch (port) {
-	case 0:
-		while(!(SDR_READ(PESDR0_RCSSTS) & (1 << 16))) {
-			if (!(attempts--)) {
-				printf("PCIE0: VC0 not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-		SDR_WRITE(PESDR0_RCSSET, SDR_READ(PESDR0_RCSSET) | 1 << 20);
-		break;
-	case 1:
-		while(!(SDR_READ(PESDR1_RCSSTS) & (1 << 16))) {
-			if (!(attempts--)) {
-				printf("PCIE1: VC0 not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-
-		SDR_WRITE(PESDR1_RCSSET, SDR_READ(PESDR1_RCSSET) | 1 << 20);
-		break;
-	case 2:
-		while(!(SDR_READ(PESDR2_RCSSTS) & (1 << 16))) {
-			if (!(attempts--)) {
-				printf("PCIE2: VC0 not active\n");
-				return -1;
-			}
-			mdelay(1000);
+	while(!(SDR_READ(SDRN_PESDR_RCSSTS(port)) & (1 << 16))) {
+		if (!(attempts--)) {
+			printf("PCIE%d: VC0 not active\n", port);
+			return -1;
 		}
-
-		SDR_WRITE(PESDR2_RCSSET, SDR_READ(PESDR2_RCSSET) | 1 << 20);
-		break;
+		mdelay(1000);
 	}
+	SDR_WRITE(SDRN_PESDR_RCSSET(port),
+		  SDR_READ(SDRN_PESDR_RCSSET(port)) | 1 << 20);
 	mdelay(100);
 
 	return 0;
 }
 
-int ppc440spe_init_pcie_endport(int port)
+int ppc4xx_init_pcie_rootport(int port)
 {
-	static int core_init;
-	volatile u32 val = 0;
-	int attempts;
-
-	if (!core_init) {
-		++core_init;
-		if (ppc440spe_init_pcie())
-			return -1;
-	}
-
-	/*
-	 * Initialize various parts of the PCI Express core for our port:
-	 *
-	 * - Set as a end port and enable max width
-	 *   (PXIE0 -> X8, PCIE1 and PCIE2 -> X4).
-	 * - Set up UTL configuration.
-	 * - Increase SERDES drive strength to levels suggested by AMCC.
-	 * - De-assert RSTPYN, RSTDL and RSTGU.
-	 *
-	 * NOTICE for revB chip: PESDRn_UTLSET2 is not set - we leave it with
-	 * default setting 0x11310000. The register has new fields,
-	 * PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core
-	 * hang.
-	 */
-	switch (port) {
-	case 0:
-		SDR_WRITE(PESDR0_DLPSET,  1 << 24 | PTYPE_LEGACY_ENDPOINT << 20 | LNKW_X8 << 12);
-
-		SDR_WRITE(PESDR0_UTLSET1, 0x20222222);
-		if (!ppc440spe_revB())
-			SDR_WRITE(PESDR0_UTLSET2, 0x11000000);
-		SDR_WRITE(PESDR0_HSSL0SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL1SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL2SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL3SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000);
-		SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000);
-		SDR_WRITE(PESDR0_RCSSET,
-			(SDR_READ(PESDR0_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
-		break;
-
-	case 1:
-		SDR_WRITE(PESDR1_DLPSET, 1 << 24 | PTYPE_LEGACY_ENDPOINT << 20 | LNKW_X4 << 12);
-		SDR_WRITE(PESDR1_UTLSET1, 0x20222222);
-		if (!ppc440spe_revB())
-			SDR_WRITE(PESDR1_UTLSET2, 0x11000000);
-		SDR_WRITE(PESDR1_HSSL0SET1, 0x35000000);
-		SDR_WRITE(PESDR1_HSSL1SET1, 0x35000000);
-		SDR_WRITE(PESDR1_HSSL2SET1, 0x35000000);
-		SDR_WRITE(PESDR1_HSSL3SET1, 0x35000000);
-		SDR_WRITE(PESDR1_RCSSET,
-			(SDR_READ(PESDR1_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
-		break;
-
-	case 2:
-		SDR_WRITE(PESDR2_DLPSET, 1 << 24 | PTYPE_LEGACY_ENDPOINT << 20 | LNKW_X4 << 12);
-		SDR_WRITE(PESDR2_UTLSET1, 0x20222222);
-		if (!ppc440spe_revB())
-			SDR_WRITE(PESDR2_UTLSET2, 0x11000000);
-		SDR_WRITE(PESDR2_HSSL0SET1, 0x35000000);
-		SDR_WRITE(PESDR2_HSSL1SET1, 0x35000000);
-		SDR_WRITE(PESDR2_HSSL2SET1, 0x35000000);
-		SDR_WRITE(PESDR2_HSSL3SET1, 0x35000000);
-		SDR_WRITE(PESDR2_RCSSET,
-			(SDR_READ(PESDR2_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
-		break;
-	}
-	/*
-	 * Notice: the following delay has critical impact on device
-	 * initialization - if too short (<50ms) the link doesn't get up.
-	 */
-	mdelay(100);
-
-	switch (port) {
-	case 0: val = SDR_READ(PESDR0_RCSSTS); break;
-	case 1: val = SDR_READ(PESDR1_RCSSTS); break;
-	case 2: val = SDR_READ(PESDR2_RCSSTS); break;
-	}
-
-	if (val & (1 << 20)) {
-		printf("PCIE%d: PGRST failed %08x\n", port, val);
-		return -1;
-	}
-
-	/*
-	 * Verify link is up
-	 */
-	val = 0;
-	switch (port)
-	{
-		case 0:
-			val = SDR_READ(PESDR0_LOOP);
-			break;
-		case 1:
-			val = SDR_READ(PESDR1_LOOP);
-			break;
-		case 2:
-			val = SDR_READ(PESDR2_LOOP);
-			break;
-	}
-	if (!(val & 0x00001000)) {
-		printf("PCIE%d: link is not up.\n", port);
-		return -1;
-	}
-
-	/*
-	 * Setup UTL registers - but only on revA!
-	 * We use default settings for revB chip.
-	 */
-	if (!ppc440spe_revB())
-		ppc440spe_setup_utl(port);
-
-	/*
-	 * We map PCI Express configuration access into the 512MB regions
-	 *
-	 * NOTICE: revB is very strict about PLB real addressess and ranges to
-	 * be mapped for config space; it seems to only work with d_nnnn_nnnn
-	 * range (hangs the core upon config transaction attempts when set
-	 * otherwise) while revA uses c_nnnn_nnnn.
-	 *
-	 * For revA:
-	 *     PCIE0: 0xc_4000_0000
-	 *     PCIE1: 0xc_8000_0000
-	 *     PCIE2: 0xc_c000_0000
-	 *
-	 * For revB:
-	 *     PCIE0: 0xd_0000_0000
-	 *     PCIE1: 0xd_2000_0000
-	 *     PCIE2: 0xd_4000_0000
-	 */
-	switch (port) {
-	case 0:
-		if (ppc440spe_revB()) {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000d);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x00000000);
-		} else {
-			/* revA */
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000c);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x40000000);
-		}
-		mtdcr(DCRN_PEGPL_CFGMSK(PCIE0), 0xe0000001); /* 512MB region, valid */
-		break;
-
-	case 1:
-		if (ppc440spe_revB()) {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000d);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x20000000);
-		} else {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000c);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x80000000);
-		}
-		mtdcr(DCRN_PEGPL_CFGMSK(PCIE1), 0xe0000001); /* 512MB region, valid */
-		break;
-
-	case 2:
-		if (ppc440spe_revB()) {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000d);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0x40000000);
-		} else {
-			mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000c);
-			mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0xc0000000);
-		}
-		mtdcr(DCRN_PEGPL_CFGMSK(PCIE2), 0xe0000001); /* 512MB region, valid */
-		break;
-	}
-
-	/*
-	 * Check for VC0 active and assert RDY.
-	 */
-	attempts = 10;
-	switch (port) {
-	case 0:
-		while(!(SDR_READ(PESDR0_RCSSTS) & (1 << 16))) {
-			if (!(attempts--)) {
-				printf("PCIE0: VC0 not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-		SDR_WRITE(PESDR0_RCSSET, SDR_READ(PESDR0_RCSSET) | 1 << 20);
-		break;
-	case 1:
-		while(!(SDR_READ(PESDR1_RCSSTS) & (1 << 16))) {
-			if (!(attempts--)) {
-				printf("PCIE1: VC0 not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-
-		SDR_WRITE(PESDR1_RCSSET, SDR_READ(PESDR1_RCSSET) | 1 << 20);
-		break;
-	case 2:
-		while(!(SDR_READ(PESDR2_RCSSTS) & (1 << 16))) {
-			if (!(attempts--)) {
-				printf("PCIE2: VC0 not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-
-		SDR_WRITE(PESDR2_RCSSET, SDR_READ(PESDR2_RCSSET) | 1 << 20);
-		break;
-	}
-	mdelay(100);
+	return ppc4xx_init_pcie_port(port, 1);
+}
 
-	return 0;
+int ppc4xx_init_pcie_endport(int port)
+{
+	return ppc4xx_init_pcie_port(port, 0);
 }
 
-void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
+void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 {
 	volatile void *mbase = NULL;
 	volatile void *rmbase = NULL;
 
 	pci_set_ops(hose,
-		pcie_read_config_byte,
-		pcie_read_config_word,
-		pcie_read_config_dword,
-		pcie_write_config_byte,
-		pcie_write_config_word,
-		pcie_write_config_dword);
+		    pcie_read_config_byte,
+		    pcie_read_config_word,
+		    pcie_read_config_dword,
+		    pcie_write_config_byte,
+		    pcie_write_config_word,
+		    pcie_write_config_dword);
 
 	switch (port) {
 	case 0:
@@ -857,11 +771,13 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 		rmbase = (u32 *)CFG_PCIE1_CFGBASE;
 		hose->cfg_data = (u8 *)CFG_PCIE1_CFGBASE;
 		break;
+#if CFG_PCIE_NR_PORTS > 2
 	case 2:
 		mbase = (u32 *)CFG_PCIE2_XCFGBASE;
 		rmbase = (u32 *)CFG_PCIE2_CFGBASE;
 		hose->cfg_data = (u8 *)CFG_PCIE2_CFGBASE;
 		break;
+#endif
 	}
 
 	/*
@@ -878,33 +794,53 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 	 * subregions and to enable the outbound translation.
 	 */
 	out_le32(mbase + PECFG_POM0LAH, 0x00000000);
-	out_le32(mbase + PECFG_POM0LAL, 0x00000000);
+	out_le32(mbase + PECFG_POM0LAL, CFG_PCIE_MEMBASE +
+		 port * CFG_PCIE_MEMSIZE);
+	debug("PECFG_POM0LA=%08x.%08x\n", in_le32(mbase + PECFG_POM0LAH),
+	      in_le32(mbase + PECFG_POM0LAL));
 
 	switch (port) {
 	case 0:
-		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0),  0x0000000d);
-		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0),  CFG_PCIE_MEMBASE +
-			port * CFG_PCIE_MEMSIZE);
+		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), CFG_PCIE_ADDR_HIGH);
+		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE +
+		      port * CFG_PCIE_MEMSIZE);
 		mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE0), 0x7fffffff);
 		mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE0),
-			~(CFG_PCIE_MEMSIZE - 1) | 3);
+		      ~(CFG_PCIE_MEMSIZE - 1) | 3);
+		debug("0:PEGPL_OMR1BA=%08x.%08x MSK=%08x.%08x\n",
+		      mfdcr(DCRN_PEGPL_OMR1BAH(PCIE0)),
+		      mfdcr(DCRN_PEGPL_OMR1BAL(PCIE0)),
+		      mfdcr(DCRN_PEGPL_OMR1MSKH(PCIE0)),
+		      mfdcr(DCRN_PEGPL_OMR1MSKL(PCIE0)));
 		break;
 	case 1:
-		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1),  0x0000000d);
-		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1),  (CFG_PCIE_MEMBASE +
-			port * CFG_PCIE_MEMSIZE));
+		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), CFG_PCIE_ADDR_HIGH);
+		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), CFG_PCIE_MEMBASE +
+		      port * CFG_PCIE_MEMSIZE);
 		mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE1), 0x7fffffff);
 		mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE1),
-			~(CFG_PCIE_MEMSIZE - 1) | 3);
-		break;
+		      ~(CFG_PCIE_MEMSIZE - 1) | 3);
+		debug("1:PEGPL_OMR1BA=%08x.%08x MSK=%08x.%08x\n",
+		      mfdcr(DCRN_PEGPL_OMR1BAH(PCIE1)),
+		      mfdcr(DCRN_PEGPL_OMR1BAL(PCIE1)),
+		      mfdcr(DCRN_PEGPL_OMR1MSKH(PCIE1)),
+		      mfdcr(DCRN_PEGPL_OMR1MSKL(PCIE1)));
+		break;
+#if CFG_PCIE_NR_PORTS > 2
 	case 2:
-		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2),  0x0000000d);
-		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2),  (CFG_PCIE_MEMBASE +
-			port * CFG_PCIE_MEMSIZE));
+		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), CFG_PCIE_ADDR_HIGH);
+		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), CFG_PCIE_MEMBASE +
+		      port * CFG_PCIE_MEMSIZE);
 		mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE2), 0x7fffffff);
 		mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE2),
-			~(CFG_PCIE_MEMSIZE - 1) | 3);
+		      ~(CFG_PCIE_MEMSIZE - 1) | 3);
+		debug("2:PEGPL_OMR1BA=%08x.%08x MSK=%08x.%08x\n",
+		      mfdcr(DCRN_PEGPL_OMR1BAH(PCIE2)),
+		      mfdcr(DCRN_PEGPL_OMR1BAL(PCIE2)),
+		      mfdcr(DCRN_PEGPL_OMR1MSKH(PCIE2)),
+		      mfdcr(DCRN_PEGPL_OMR1MSKL(PCIE2)));
 		break;
+#endif
 	}
 
 	/* Set up 16GB inbound memory window at 0 */
@@ -917,41 +853,26 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 	out_le32(mbase + PECFG_PIM01SAL, 0x00000000);
 	out_le32(mbase + PECFG_PIM0LAL, 0);
 	out_le32(mbase + PECFG_PIM0LAH, 0);
-	out_le32(mbase + PECFG_PIM1LAL,  0x00000000);
-	out_le32(mbase + PECFG_PIM1LAH,  0x00000004);
+	out_le32(mbase + PECFG_PIM1LAL, 0x00000000);
+	out_le32(mbase + PECFG_PIM1LAH, 0x00000004);
 	out_le32(mbase + PECFG_PIMEN, 0x1);
 
 	/* Enable I/O, Mem, and Busmaster cycles */
 	out_le16((u16 *)(mbase + PCI_COMMAND),
 		 in_le16((u16 *)(mbase + PCI_COMMAND)) |
 		 PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
-	printf("PCIE:%d successfully set as rootpoint\n",port);
 
 	/* Set Device and Vendor Id */
-	switch (port) {
-	case 0:
-		out_le16(mbase + 0x200, 0xaaa0);
-		out_le16(mbase + 0x202, 0xbed0);
-		break;
-	case 1:
-		out_le16(mbase + 0x200, 0xaaa1);
-		out_le16(mbase + 0x202, 0xbed1);
-		break;
-	case 2:
-		out_le16(mbase + 0x200, 0xaaa2);
-		out_le16(mbase + 0x202, 0xbed2);
-		break;
-	default:
-		out_le16(mbase + 0x200, 0xaaa3);
-		out_le16(mbase + 0x202, 0xbed3);
-	}
+	out_le16(mbase + 0x200, 0xaaa0 + port);
+	out_le16(mbase + 0x202, 0xbed0 + port);
 
 	/* Set Class Code to PCI-PCI bridge and Revision Id to 1 */
 	out_le32(mbase + 0x208, 0x06040001);
 
+	printf("PCIE%d: successfully set as root-complex\n", port);
 }
 
-int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port)
+int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port)
 {
 	volatile void *mbase = NULL;
 	int attempts = 0;
@@ -973,10 +894,12 @@ int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port)
 		mbase = (u32 *)CFG_PCIE1_XCFGBASE;
 		hose->cfg_data = (u8 *)CFG_PCIE1_CFGBASE;
 		break;
+#if defined(CFG_PCIE2_CFGBASE)
 	case 2:
 		mbase = (u32 *)CFG_PCIE2_XCFGBASE;
 		hose->cfg_data = (u8 *)CFG_PCIE2_CFGBASE;
 		break;
+#endif
 	}
 
 	/*
@@ -990,77 +913,73 @@ int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port)
 
 	switch (port) {
 	case 0:
-		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0),  0x0000000d);
-		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0),  CFG_PCIE_MEMBASE +
-			port * CFG_PCIE_MEMSIZE);
+		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), CFG_PCIE_ADDR_HIGH);
+		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE +
+		      port * CFG_PCIE_MEMSIZE);
 		mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE0), 0x7fffffff);
 		mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE0),
-			~(CFG_PCIE_MEMSIZE - 1) | 3);
+		      ~(CFG_PCIE_MEMSIZE - 1) | 3);
 		break;
 	case 1:
-		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1),  0x0000000d);
-		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1),  (CFG_PCIE_MEMBASE +
-			port * CFG_PCIE_MEMSIZE));
+		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), CFG_PCIE_ADDR_HIGH);
+		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), CFG_PCIE_MEMBASE +
+		      port * CFG_PCIE_MEMSIZE);
 		mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE1), 0x7fffffff);
 		mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE1),
-			~(CFG_PCIE_MEMSIZE - 1) | 3);
+		      ~(CFG_PCIE_MEMSIZE - 1) | 3);
 		break;
+#if CFG_PCIE_NR_PORTS > 2
 	case 2:
-		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2),  0x0000000d);
-		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2),  (CFG_PCIE_MEMBASE +
-			port * CFG_PCIE_MEMSIZE));
+		mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), CFG_PCIE_ADDR_HIGH);
+		mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), CFG_PCIE_MEMBASE +
+		      port * CFG_PCIE_MEMSIZE);
 		mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE2), 0x7fffffff);
 		mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE2),
-			~(CFG_PCIE_MEMSIZE - 1) | 3);
+		      ~(CFG_PCIE_MEMSIZE - 1) | 3);
 		break;
+#endif
 	}
 
-	/* Set up 16GB inbound memory window at 0 */
+	/* Set up 64MB inbound memory window at 0 */
 	out_le32(mbase + PCI_BASE_ADDRESS_0, 0);
 	out_le32(mbase + PCI_BASE_ADDRESS_1, 0);
-	out_le32(mbase + PECFG_BAR0HMPA, 0x7fffffc);
-	out_le32(mbase + PECFG_BAR0LMPA, 0);
-	out_le32(mbase + PECFG_PIM0LAL, 0x00000000);
-	out_le32(mbase + PECFG_PIM0LAH, 0x00000004);	/* pointing to SRAM */
+
+	out_le32(mbase + PECFG_PIM01SAH, 0xffffffff);
+	out_le32(mbase + PECFG_PIM01SAL, 0xfc000000);
+
+	/* Setup BAR0 */
+	out_le32(mbase + PECFG_BAR0HMPA, 0x7fffffff);
+	out_le32(mbase + PECFG_BAR0LMPA, 0xfc000000 | PCI_BASE_ADDRESS_MEM_TYPE_64);
+
+	/* Disable BAR1 & BAR2 */
+	out_le32(mbase + PECFG_BAR1MPA, 0);
+	out_le32(mbase + PECFG_BAR2HMPA, 0);
+	out_le32(mbase + PECFG_BAR2LMPA, 0);
+
+	out_le32(mbase + PECFG_PIM0LAL, U64_TO_U32_LOW(CFG_PCIE_INBOUND_BASE));
+	out_le32(mbase + PECFG_PIM0LAH, U64_TO_U32_HIGH(CFG_PCIE_INBOUND_BASE));
 	out_le32(mbase + PECFG_PIMEN, 0x1);
 
 	/* Enable I/O, Mem, and Busmaster cycles */
 	out_le16((u16 *)(mbase + PCI_COMMAND),
-		in_le16((u16 *)(mbase + PCI_COMMAND)) |
-		PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
-	out_le16(mbase + 0x200,0xcaad);			/* Setting vendor ID */
-	out_le16(mbase + 0x202,0xfeed);			/* Setting device ID */
+		 in_le16((u16 *)(mbase + PCI_COMMAND)) |
+		 PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+	out_le16(mbase + 0x200, 0xcaad);		/* Setting vendor ID */
+	out_le16(mbase + 0x202, 0xfeed);		/* Setting device ID */
+
+	/* Set Class Code to Processor/PPC */
+	out_le32(mbase + 0x208, 0x0b200001);
+
 	attempts = 10;
-	switch (port) {
-	case 0:
-		while (!(SDR_READ(PESDR0_RCSSTS) & (1 << 8))) {
-			if (!(attempts--)) {
-				printf("PCIE0: BMEN is  not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-		break;
-	case 1:
-		while (!(SDR_READ(PESDR1_RCSSTS) & (1 << 8))) {
-			if (!(attempts--)) {
-				printf("PCIE1: BMEN is not active\n");
-				return -1;
-			}
-			mdelay(1000);
-		}
-		break;
-	case 2:
-		while (!(SDR_READ(PESDR2_RCSSTS) & (1 << 8))) {
-			if (!(attempts--)) {
-				printf("PCIE2: BMEN is  not active\n");
-				return -1;
-			}
-			mdelay(1000);
+	while(!(SDR_READ(SDRN_PESDR_RCSSTS(port)) & (1 << 8))) {
+		if (!(attempts--)) {
+			printf("PCIE%d: BME not active\n", port);
+			return -1;
 		}
-		break;
+		mdelay(1000);
 	}
-	printf("PCIE:%d successfully set as endpoint\n",port);
+
+	printf("PCIE%d: successfully set as endpoint\n", port);
 
 	return 0;
 }
diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/4xx_uart.c
index 60712b1..ac2b12b 100644
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/4xx_uart.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */
-/*------------------------------------------------------------------------------+ */
+
 /*
  * This source code has been made available to you by IBM on an AS-IS
  * basis.  Anyone receiving this source is licensed under IBM
@@ -40,14 +40,11 @@
  * COPYRIGHT   I B M   CORPORATION 1995
  * LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M
  */
-/*------------------------------------------------------------------------------- */
-/*
- * Travis Sawyer 15 September 2004
- *    Added CONFIG_SERIAL_MULTI support
- */
+
 #include <common.h>
 #include <commproc.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <watchdog.h>
 #include "vecnum.h"
 
@@ -61,212 +58,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/*****************************************************************************/
-#ifdef CONFIG_IOP480
-
-#define SPU_BASE         0x40000000
-
-#define spu_LineStat_rc  0x00	/* Line Status Register (Read/Clear) */
-#define spu_LineStat_w   0x04	/* Line Status Register (Set) */
-#define spu_Handshk_rc   0x08	/* Handshake Status Register (Read/Clear) */
-#define spu_Handshk_w    0x0c	/* Handshake Status Register (Set) */
-#define spu_BRateDivh    0x10	/* Baud rate divisor high */
-#define spu_BRateDivl    0x14	/* Baud rate divisor low */
-#define spu_CtlReg       0x18	/* Control Register */
-#define spu_RxCmd        0x1c	/* Rx Command Register */
-#define spu_TxCmd        0x20	/* Tx Command Register */
-#define spu_RxBuff       0x24	/* Rx data buffer */
-#define spu_TxBuff       0x24	/* Tx data buffer */
-
-/*-----------------------------------------------------------------------------+
-  | Line Status Register.
-  +-----------------------------------------------------------------------------*/
-#define asyncLSRport1           0x40000000
-#define asyncLSRport1set        0x40000004
-#define asyncLSRDataReady             0x80
-#define asyncLSRFramingError          0x40
-#define asyncLSROverrunError          0x20
-#define asyncLSRParityError           0x10
-#define asyncLSRBreakInterrupt        0x08
-#define asyncLSRTxHoldEmpty           0x04
-#define asyncLSRTxShiftEmpty          0x02
-
-/*-----------------------------------------------------------------------------+
-  | Handshake Status Register.
-  +-----------------------------------------------------------------------------*/
-#define asyncHSRport1           0x40000008
-#define asyncHSRport1set        0x4000000c
-#define asyncHSRDsr                   0x80
-#define asyncLSRCts                   0x40
-
-/*-----------------------------------------------------------------------------+
-  | Control Register.
-  +-----------------------------------------------------------------------------*/
-#define asyncCRport1            0x40000018
-#define asyncCRNormal                 0x00
-#define asyncCRLoopback               0x40
-#define asyncCRAutoEcho               0x80
-#define asyncCRDtr                    0x20
-#define asyncCRRts                    0x10
-#define asyncCRWordLength7            0x00
-#define asyncCRWordLength8            0x08
-#define asyncCRParityDisable          0x00
-#define asyncCRParityEnable           0x04
-#define asyncCREvenParity             0x00
-#define asyncCROddParity              0x02
-#define asyncCRStopBitsOne            0x00
-#define asyncCRStopBitsTwo            0x01
-#define asyncCRDisableDtrRts          0x00
-
-/*-----------------------------------------------------------------------------+
-  | Receiver Command Register.
-  +-----------------------------------------------------------------------------*/
-#define asyncRCRport1           0x4000001c
-#define asyncRCRDisable               0x00
-#define asyncRCREnable                0x80
-#define asyncRCRIntDisable            0x00
-#define asyncRCRIntEnabled            0x20
-#define asyncRCRDMACh2                0x40
-#define asyncRCRDMACh3                0x60
-#define asyncRCRErrorInt              0x10
-#define asyncRCRPauseEnable           0x08
-
-/*-----------------------------------------------------------------------------+
-  | Transmitter Command Register.
-  +-----------------------------------------------------------------------------*/
-#define asyncTCRport1           0x40000020
-#define asyncTCRDisable               0x00
-#define asyncTCREnable                0x80
-#define asyncTCRIntDisable            0x00
-#define asyncTCRIntEnabled            0x20
-#define asyncTCRDMACh2                0x40
-#define asyncTCRDMACh3                0x60
-#define asyncTCRTxEmpty               0x10
-#define asyncTCRErrorInt              0x08
-#define asyncTCRStopPause             0x04
-#define asyncTCRBreakGen              0x02
-
-/*-----------------------------------------------------------------------------+
-  | Miscellanies defines.
-  +-----------------------------------------------------------------------------*/
-#define asyncTxBufferport1      0x40000024
-#define asyncRxBufferport1      0x40000024
-#define asyncDLABLsbport1       0x40000014
-#define asyncDLABMsbport1       0x40000010
-#define asyncXOFFchar                 0x13
-#define asyncXONchar                  0x11
-
-/*
- * Minimal serial functions needed to use one of the SMC ports
- * as serial console interface.
- */
-
-int serial_init (void)
-{
-	volatile char val;
-	unsigned short br_reg;
-
-	br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
-
-	/*
-	 * Init onboard UART
-	 */
-	out8 (SPU_BASE + spu_LineStat_rc, 0x78); /* Clear all bits in Line Status Reg */
-	out8 (SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */
-	out8 (SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */
-	out8 (SPU_BASE + spu_CtlReg, 0x08);	/* Set 8 bits, no parity and 1 stop bit */
-	out8 (SPU_BASE + spu_RxCmd, 0xb0);	/* Enable Rx */
-	out8 (SPU_BASE + spu_TxCmd, 0x9c);	/* Enable Tx */
-	out8 (SPU_BASE + spu_Handshk_rc, 0xff);	/* Clear Handshake */
-	val = in8 (SPU_BASE + spu_RxBuff);	/* Dummy read, to clear receiver */
-
-	return (0);
-}
-
-void serial_setbrg (void)
-{
-	unsigned short br_reg;
-
-	br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
-
-	out8 (SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */
-	out8 (SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */
-}
-
-void serial_putc (const char c)
-{
-	if (c == '\n')
-		serial_putc ('\r');
-
-	/* load status from handshake register */
-	if (in8 (SPU_BASE + spu_Handshk_rc) != 00)
-		out8 (SPU_BASE + spu_Handshk_rc, 0xff);	/* Clear Handshake */
-
-	out8 (SPU_BASE + spu_TxBuff, c);	/* Put char */
-
-	while ((in8 (SPU_BASE + spu_LineStat_rc) & 04) != 04) {
-		if (in8 (SPU_BASE + spu_Handshk_rc) != 00)
-			out8 (SPU_BASE + spu_Handshk_rc, 0xff);	/* Clear Handshake */
-	}
-}
-
-void serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
-int serial_getc ()
-{
-	unsigned char status = 0;
-
-	while (1) {
-		status = in8 (asyncLSRport1);
-		if ((status & asyncLSRDataReady) != 0x0) {
-			break;
-		}
-		if ((status & ( asyncLSRFramingError |
-				asyncLSROverrunError |
-				asyncLSRParityError  |
-				asyncLSRBreakInterrupt )) != 0) {
-			(void) out8 (asyncLSRport1,
-				     asyncLSRFramingError |
-				     asyncLSROverrunError |
-				     asyncLSRParityError  |
-				     asyncLSRBreakInterrupt );
-		}
-	}
-	return (0x000000ff & (int) in8 (asyncRxBufferport1));
-}
-
-int serial_tstc ()
-{
-	unsigned char status;
-
-	status = in8 (asyncLSRport1);
-	if ((status & asyncLSRDataReady) != 0x0) {
-		return (1);
-	}
-	if ((status & ( asyncLSRFramingError |
-			asyncLSROverrunError |
-			asyncLSRParityError  |
-			asyncLSRBreakInterrupt )) != 0) {
-		(void) out8 (asyncLSRport1,
-			     asyncLSRFramingError |
-			     asyncLSROverrunError |
-			     asyncLSRParityError  |
-			     asyncLSRBreakInterrupt);
-	}
-	return 0;
-}
-
-#endif	/* CONFIG_IOP480 */
-
-/*****************************************************************************/
 #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 +112,15 @@ 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
@@ -336,12 +139,6 @@ int serial_tstc ()
 #define ACTING_UART1_BASE	UART1_BASE
 #endif
 
-#if defined(CONFIG_SERIAL_MULTI)
-#define UART_BASE	dev_base
-#else
-#define UART_BASE	ACTING_UART0_BASE
-#endif
-
 #if defined(CONFIG_405EP) && defined(CFG_EXT_SERIAL_CLOCK)
 #error "External serial clock not supported on AMCC PPC405EP!"
 #endif
@@ -362,7 +159,6 @@ int serial_tstc ()
 /*-----------------------------------------------------------------------------+
   | Line Status Register.
   +-----------------------------------------------------------------------------*/
-/*#define asyncLSRport1           ACTING_UART0_BASE+0x05 */
 #define asyncLSRDataReady1            0x01
 #define asyncLSROverrunError1         0x02
 #define asyncLSRParityError1          0x04
@@ -372,12 +168,6 @@ int serial_tstc ()
 #define asyncLSRTxShiftEmpty1         0x40
 #define asyncLSRRxFifoError1          0x80
 
-/*-----------------------------------------------------------------------------+
-  | Miscellanies defines.
-  +-----------------------------------------------------------------------------*/
-/*#define asyncTxBufferport1      ACTING_UART0_BASE+0x00 */
-/*#define asyncRxBufferport1      ACTING_UART0_BASE+0x00 */
-
 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
 /*-----------------------------------------------------------------------------+
   | Fifo
@@ -391,7 +181,36 @@ typedef struct {
 volatile static serial_buffer_t buf_info;
 #endif
 
-#if defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLOCK)
+static void serial_init_common(u32 base, u32 udiv, u16 bdiv)
+{
+	PPC4xx_SYS_INFO sys_info;
+	u8 val;
+
+	get_sys_info(&sys_info);
+
+	/* Correct UART frequency in bd-info struct now that
+	 * the UART divisor is available
+	 */
+#ifdef CFG_EXT_SERIAL_CLOCK
+	gd->uart_clk = CFG_EXT_SERIAL_CLOCK;
+#else
+	gd->uart_clk = sys_info.freqUART / udiv;
+#endif
+
+	out_8((u8 *)base + UART_LCR, 0x80);	/* set DLAB bit */
+	out_8((u8 *)base + UART_DLL, bdiv);	/* set baudrate divisor */
+	out_8((u8 *)base + UART_DLM, bdiv >> 8); /* set baudrate divisor */
+	out_8((u8 *)base + UART_LCR, 0x03);	/* clear DLAB; set 8 bits, no parity */
+	out_8((u8 *)base + UART_FCR, 0x00);	/* disable FIFO */
+	out_8((u8 *)base + UART_MCR, 0x00);	/* no modem control DTR RTS */
+	val = in_8((u8 *)base + UART_LSR);	/* clear line status */
+	val = in_8((u8 *)base + UART_RBR);	/* read receive buffer */
+	out_8((u8 *)base + UART_SCR, 0x00);	/* set scratchpad */
+	out_8((u8 *)base + UART_IER, 0x00);	/* set interrupt enable reg */
+}
+
+#if (defined(CONFIG_440) || defined(CONFIG_405EX)) &&	\
+    !defined(CFG_EXT_SERIAL_CLOCK)
 static void serial_divs (int baudrate, unsigned long *pudiv,
 			 unsigned short *pbdiv)
 {
@@ -457,8 +276,8 @@ static void serial_divs (int baudrate, unsigned long *pudiv,
 	get_sys_info(&sysinfo);
 
 	plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ?
-		sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * sysinfo.pllFbkDiv) /
-		sysinfo.pllFwdDivB);
+					   sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) *
+		    sysinfo.pllFbkDiv) / sysinfo.pllFwdDivB);
 	udiv = 256;			/* Assume lowest possible serial clk */
 	div = plloutb / (16 * baudrate); /* total divisor */
 	umin = (plloutb / get_OPB_freq()) << 1;	/* 2 x OPB divisor */
@@ -496,16 +315,11 @@ static void serial_divs (int baudrate, unsigned long *pudiv,
  */
 
 #if defined(CONFIG_440)
-#if defined(CONFIG_SERIAL_MULTI)
-int serial_init_dev (unsigned long dev_base)
-#else
-int serial_init(void)
-#endif
+int serial_init_dev(unsigned long base)
 {
 	unsigned long reg;
 	unsigned long udiv;
 	unsigned short bdiv;
-	volatile char val;
 #ifdef CFG_EXT_SERIAL_CLOCK
 	unsigned long tmp;
 #endif
@@ -543,36 +357,46 @@ int serial_init(void)
 	MTREG(UART3_SDR, reg);
 #endif
 
-	out8(UART_BASE + UART_LCR, 0x80);	/* set DLAB bit */
-	out8(UART_BASE + UART_DLL, bdiv);	/* set baudrate divisor */
-	out8(UART_BASE + UART_DLM, bdiv >> 8);	/* set baudrate divisor */
-	out8(UART_BASE + UART_LCR, 0x03);	/* clear DLAB; set 8 bits, no parity */
-	out8(UART_BASE + UART_FCR, 0x00);	/* disable FIFO */
-	out8(UART_BASE + UART_MCR, 0x00);	/* no modem control DTR RTS */
-	val = in8(UART_BASE + UART_LSR);	/* clear line status */
-	val = in8(UART_BASE + UART_RBR);	/* read receive buffer */
-	out8(UART_BASE + UART_SCR, 0x00);	/* set scratchpad */
-	out8(UART_BASE + UART_IER, 0x00);	/* set interrupt enable reg */
+	serial_init_common(base, udiv, bdiv);
 
 	return (0);
 }
 
 #else /* !defined(CONFIG_440) */
 
-#if defined(CONFIG_SERIAL_MULTI)
-int serial_init_dev (unsigned long dev_base)
-#else
-int serial_init (void)
-#endif
+int serial_init_dev (unsigned long base)
 {
 	unsigned long reg;
 	unsigned long tmp;
 	unsigned long clk;
 	unsigned long udiv;
 	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
@@ -608,81 +432,44 @@ int serial_init (void)
 #endif /* CONFIG_405EP */
 	tmp = gd->baudrate * udiv * 16;
 	bdiv = (clk + tmp / 2) / tmp;
-#endif /* CONFIG_405EZ */
-
-	out8(UART_BASE + UART_LCR, 0x80);	/* set DLAB bit */
-	out8(UART_BASE + UART_DLL, bdiv);	/* set baudrate divisor */
-	out8(UART_BASE + UART_DLM, bdiv >> 8);	/* set baudrate divisor */
-	out8(UART_BASE + UART_LCR, 0x03);	/* clear DLAB; set 8 bits, no parity */
-	out8(UART_BASE + UART_FCR, 0x00);	/* disable FIFO */
-	out8(UART_BASE + UART_MCR, 0x00);	/* no modem control DTR RTS */
-	val = in8(UART_BASE + UART_LSR);	/* clear line status */
-	val = in8(UART_BASE + UART_RBR);	/* read receive buffer */
-	out8(UART_BASE + UART_SCR, 0x00);	/* set scratchpad */
-	out8(UART_BASE + UART_IER, 0x00);	/* set interrupt enable reg */
+#endif /* CONFIG_405EX */
+
+	serial_init_common(base, udiv, bdiv);
 
 	return (0);
 }
 
 #endif /* if defined(CONFIG_440) */
 
-#if defined(CONFIG_SERIAL_MULTI)
-void serial_setbrg_dev (unsigned long dev_base)
-#else
-void serial_setbrg (void)
-#endif
+void serial_setbrg_dev(unsigned long base)
 {
-#if defined(CONFIG_SERIAL_MULTI)
-	serial_init_dev(dev_base);
-#else
-	serial_init();
-#endif
+	serial_init_dev(base);
 }
 
-#if defined(CONFIG_SERIAL_MULTI)
-void serial_putc_dev (unsigned long dev_base, const char c)
-#else
-void serial_putc (const char c)
-#endif
+void serial_putc_dev(unsigned long base, const char c)
 {
 	int i;
 
 	if (c == '\n')
-#if defined(CONFIG_SERIAL_MULTI)
-		serial_putc_dev (dev_base, '\r');
-#else
-		serial_putc ('\r');
-#endif
+		serial_putc_dev(base, '\r');
 
 	/* check THRE bit, wait for transmiter available */
 	for (i = 1; i < 3500; i++) {
-		if ((in8 (UART_BASE + UART_LSR) & 0x20) == 0x20)
+		if ((in_8((u8 *)base + UART_LSR) & 0x20) == 0x20)
 			break;
 		udelay (100);
 	}
-	out8 (UART_BASE + UART_THR, c);	/* put character out */
+
+	out_8((u8 *)base + UART_THR, c);	/* put character out */
 }
 
-#if defined(CONFIG_SERIAL_MULTI)
-void serial_puts_dev (unsigned long dev_base, const char *s)
-#else
-void serial_puts (const char *s)
-#endif
+void serial_puts_dev (unsigned long base, const char *s)
 {
-	while (*s) {
-#if defined(CONFIG_SERIAL_MULTI)
-		serial_putc_dev (dev_base, *s++);
-#else
-		serial_putc (*s++);
-#endif
-	}
+	while (*s)
+		serial_putc_dev (base, *s++);
 }
 
-#if defined(CONFIG_SERIAL_MULTI)
-int serial_getc_dev (unsigned long dev_base)
-#else
-int serial_getc (void)
-#endif
+int serial_getc_dev (unsigned long base)
 {
 	unsigned char status = 0;
 
@@ -690,46 +477,45 @@ int serial_getc (void)
 #if defined(CONFIG_HW_WATCHDOG)
 		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
 #endif	/* CONFIG_HW_WATCHDOG */
-		status = in8 (UART_BASE + UART_LSR);
-		if ((status & asyncLSRDataReady1) != 0x0) {
+
+		status = in_8((u8 *)base + UART_LSR);
+		if ((status & asyncLSRDataReady1) != 0x0)
 			break;
-		}
+
 		if ((status & ( asyncLSRFramingError1 |
 				asyncLSROverrunError1 |
 				asyncLSRParityError1  |
 				asyncLSRBreakInterrupt1 )) != 0) {
-			out8 (UART_BASE + UART_LSR,
+			out_8((u8 *)base + UART_LSR,
 			      asyncLSRFramingError1 |
 			      asyncLSROverrunError1 |
 			      asyncLSRParityError1  |
 			      asyncLSRBreakInterrupt1);
 		}
 	}
-	return (0x000000ff & (int) in8 (UART_BASE));
+
+	return (0x000000ff & (int) in_8((u8 *)base));
 }
 
-#if defined(CONFIG_SERIAL_MULTI)
-int serial_tstc_dev (unsigned long dev_base)
-#else
-int serial_tstc (void)
-#endif
+int serial_tstc_dev (unsigned long base)
 {
 	unsigned char status;
 
-	status = in8 (UART_BASE + UART_LSR);
-	if ((status & asyncLSRDataReady1) != 0x0) {
+	status = in_8((u8 *)base + UART_LSR);
+	if ((status & asyncLSRDataReady1) != 0x0)
 		return (1);
-	}
+
 	if ((status & ( asyncLSRFramingError1 |
 			asyncLSROverrunError1 |
 			asyncLSRParityError1  |
 			asyncLSRBreakInterrupt1 )) != 0) {
-		out8 (UART_BASE + UART_LSR,
+		out_8((u8 *)base + UART_LSR,
 		      asyncLSRFramingError1 |
 		      asyncLSROverrunError1 |
 		      asyncLSRParityError1  |
 		      asyncLSRBreakInterrupt1);
 	}
+
 	return 0;
 }
 
@@ -742,11 +528,11 @@ void serial_isr (void *arg)
 	const int rx_get = buf_info.rx_get;
 	int rx_put = buf_info.rx_put;
 
-	if (rx_get <= rx_put) {
+	if (rx_get <= rx_put)
 		space = CONFIG_SERIAL_SOFTWARE_FIFO - (rx_put - rx_get);
-	} else {
+	else
 		space = rx_get - rx_put;
-	}
+
 	while (serial_tstc_dev (ACTING_UART0_BASE)) {
 		c = serial_getc_dev (ACTING_UART0_BASE);
 		if (space) {
@@ -757,8 +543,9 @@ void serial_isr (void *arg)
 			rx_put = 0;
 		if (space < CONFIG_SERIAL_SOFTWARE_FIFO / 4) {
 			/* Stop flow by setting RTS inactive */
-			out8 (ACTING_UART0_BASE + UART_MCR,
-			      in8 (ACTING_UART0_BASE + UART_MCR) & (0xFF ^ 0x02));
+			out_8((u8 *)ACTING_UART0_BASE + UART_MCR,
+			      in_8((u8 *)ACTING_UART0_BASE + UART_MCR) &
+			      (0xFF ^ 0x02));
 		}
 	}
 	buf_info.rx_put = rx_put;
@@ -771,35 +558,35 @@ void serial_buffered_init (void)
 	buf_info.rx_put = 0;
 	buf_info.rx_get = 0;
 
-	if (in8 (ACTING_UART0_BASE + UART_MSR) & 0x10) {
+	if (in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10)
 		serial_puts ("Check CTS signal present on serial port: OK.\n");
-	} else {
+	else
 		serial_puts ("WARNING: CTS signal not present on serial port.\n");
-	}
 
 	irq_install_handler ( VECNUM_U0 /*UART0 */ /*int vec */ ,
 			      serial_isr /*interrupt_handler_t *handler */ ,
 			      (void *) &buf_info /*void *arg */ );
 
 	/* Enable "RX Data Available" Interrupt on UART */
-	/* out8(ACTING_UART0_BASE + UART_IER, in8(ACTING_UART0_BASE + UART_IER) |0x01); */
-	out8 (ACTING_UART0_BASE + UART_IER, 0x01);
+	out_8(ACTING_UART0_BASE + UART_IER, 0x01);
 	/* Set DTR active */
-	out8 (ACTING_UART0_BASE + UART_MCR, in8 (ACTING_UART0_BASE + UART_MCR) | 0x01);
+	out_8(ACTING_UART0_BASE + UART_MCR,
+	      in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x01);
 	/* Start flow by setting RTS active */
-	out8 (ACTING_UART0_BASE + UART_MCR, in8 (ACTING_UART0_BASE + UART_MCR) | 0x02);
+	out_8(ACTING_UART0_BASE + UART_MCR,
+	      in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x02);
 	/* Setup UART FIFO: RX trigger level: 4 byte, Enable FIFO */
-	out8 (ACTING_UART0_BASE + UART_FCR, (1 << 6) | 1);
+	out_8(ACTING_UART0_BASE + UART_FCR, (1 << 6) | 1);
 }
 
 void serial_buffered_putc (const char c)
 {
 	/* Wait for CTS */
 #if defined(CONFIG_HW_WATCHDOG)
-	while (!(in8 (ACTING_UART0_BASE + UART_MSR) & 0x10))
+	while (!(in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10))
 		WATCHDOG_RESET ();
 #else
-	while (!(in8 (ACTING_UART0_BASE + UART_MSR) & 0x10));
+	while (!(in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10));
 #endif
 	serial_putc (c);
 }
@@ -828,14 +615,15 @@ int serial_buffered_getc (void)
 	buf_info.rx_get = rx_get;
 
 	rx_put = buf_info.rx_put;
-	if (rx_get <= rx_put) {
+	if (rx_get <= rx_put)
 		space = CONFIG_SERIAL_SOFTWARE_FIFO - (rx_put - rx_get);
-	} else {
+	else
 		space = rx_get - rx_put;
-	}
+
 	if (space > CONFIG_SERIAL_SOFTWARE_FIFO / 2) {
 		/* Start flow by setting RTS active */
-		out8 (ACTING_UART0_BASE + UART_MCR, in8 (ACTING_UART0_BASE + UART_MCR) | 0x02);
+		out_8(ACTING_UART0_BASE + UART_MCR,
+		      in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x02);
 	}
 
 	return c;
@@ -860,8 +648,8 @@ int serial_buffered_tstc (void)
 #if (CONFIG_KGDB_SER_INDEX & 2)
 void kgdb_serial_init (void)
 {
-	volatile char val;
-	unsigned short br_reg;
+	u8 val;
+	u16 br_reg;
 
 	get_clocks ();
 	br_reg = (((((gd->cpu_clk / 16) / 18) * 10) / CONFIG_KGDB_BAUDRATE) +
@@ -869,16 +657,16 @@ void kgdb_serial_init (void)
 	/*
 	 * Init onboard 16550 UART
 	 */
-	out8 (ACTING_UART1_BASE + UART_LCR, 0x80);	/* set DLAB bit */
-	out8 (ACTING_UART1_BASE + UART_DLL, (br_reg & 0x00ff));	/* set divisor for 9600 baud */
-	out8 (ACTING_UART1_BASE + UART_DLM, ((br_reg & 0xff00) >> 8));	/* set divisor for 9600 baud */
-	out8 (ACTING_UART1_BASE + UART_LCR, 0x03);	/* line control 8 bits no parity */
-	out8 (ACTING_UART1_BASE + UART_FCR, 0x00);	/* disable FIFO */
-	out8 (ACTING_UART1_BASE + UART_MCR, 0x00);	/* no modem control DTR RTS */
-	val = in8 (ACTING_UART1_BASE + UART_LSR);	/* clear line status */
-	val = in8 (ACTING_UART1_BASE + UART_RBR);	/* read receive buffer */
-	out8 (ACTING_UART1_BASE + UART_SCR, 0x00);	/* set scratchpad */
-	out8 (ACTING_UART1_BASE + UART_IER, 0x00);	/* set interrupt enable reg */
+	out_8((u8 *)ACTING_UART1_BASE + UART_LCR, 0x80);	/* set DLAB bit */
+	out_8((u8 *)ACTING_UART1_BASE + UART_DLL, (br_reg & 0x00ff)); /* set divisor for 9600 baud */
+	out_8((u8 *)ACTING_UART1_BASE + UART_DLM, ((br_reg & 0xff00) >> 8)); /* set divisor for 9600 baud */
+	out_8((u8 *)ACTING_UART1_BASE + UART_LCR, 0x03);	/* line control 8 bits no parity */
+	out_8((u8 *)ACTING_UART1_BASE + UART_FCR, 0x00);	/* disable FIFO */
+	out_8((u8 *)ACTING_UART1_BASE + UART_MCR, 0x00);	/* no modem control DTR RTS */
+	val = in_8((u8 *)ACTING_UART1_BASE + UART_LSR);		/* clear line status */
+	val = in_8((u8 *)ACTING_UART1_BASE + UART_RBR);		/* read receive buffer */
+	out_8((u8 *)ACTING_UART1_BASE + UART_SCR, 0x00);	/* set scratchpad */
+	out_8((u8 *)ACTING_UART1_BASE + UART_IER, 0x00);	/* set interrupt enable reg */
 }
 
 void putDebugChar (const char c)
@@ -886,17 +674,16 @@ void putDebugChar (const char c)
 	if (c == '\n')
 		serial_putc ('\r');
 
-	out8 (ACTING_UART1_BASE + UART_THR, c);	/* put character out */
+	out_8((u8 *)ACTING_UART1_BASE + UART_THR, c);	/* put character out */
 
 	/* check THRE bit, wait for transfer done */
-	while ((in8 (ACTING_UART1_BASE + UART_LSR) & 0x20) != 0x20);
+	while ((in_8((u8 *)ACTING_UART1_BASE + UART_LSR) & 0x20) != 0x20);
 }
 
 void putDebugStr (const char *s)
 {
-	while (*s) {
+	while (*s)
 		serial_putc (*s++);
-	}
 }
 
 int getDebugChar (void)
@@ -904,22 +691,23 @@ int getDebugChar (void)
 	unsigned char status = 0;
 
 	while (1) {
-		status = in8 (ACTING_UART1_BASE + UART_LSR);
-		if ((status & asyncLSRDataReady1) != 0x0) {
+		status = in_8((u8 *)ACTING_UART1_BASE + UART_LSR);
+		if ((status & asyncLSRDataReady1) != 0x0)
 			break;
-		}
-		if ((status & ( asyncLSRFramingError1 |
-				asyncLSROverrunError1 |
-				asyncLSRParityError1  |
-				asyncLSRBreakInterrupt1 )) != 0) {
-			out8 (ACTING_UART1_BASE + UART_LSR,
+
+		if ((status & (asyncLSRFramingError1 |
+			       asyncLSROverrunError1 |
+			       asyncLSRParityError1  |
+			       asyncLSRBreakInterrupt1 )) != 0) {
+			out_8((u8 *)ACTING_UART1_BASE + UART_LSR,
 			      asyncLSRFramingError1 |
 			      asyncLSROverrunError1 |
 			      asyncLSRParityError1  |
 			      asyncLSRBreakInterrupt1);
 		}
 	}
-	return (0x000000ff & (int) in8 (ACTING_UART1_BASE));
+
+	return (0x000000ff & (int) in_8((u8 *)ACTING_UART1_BASE));
 }
 
 void kgdb_interruptible (int yes)
@@ -967,10 +755,12 @@ int serial1_init(void)
 {
 	return (serial_init_dev(UART1_BASE));
 }
+
 void serial0_setbrg (void)
 {
 	serial_setbrg_dev(UART0_BASE);
 }
+
 void serial1_setbrg (void)
 {
 	serial_setbrg_dev(UART1_BASE);
@@ -985,6 +775,7 @@ void serial1_putc(const char c)
 {
 	serial_putc_dev(UART1_BASE, c);
 }
+
 void serial0_puts(const char *s)
 {
 	serial_puts_dev(UART0_BASE, s);
@@ -1004,6 +795,7 @@ int serial1_getc(void)
 {
 	return(serial_getc_dev(UART1_BASE));
 }
+
 int serial0_tstc(void)
 {
 	return (serial_tstc_dev(UART0_BASE));
@@ -1037,6 +829,39 @@ struct serial_device serial1_device =
 	serial1_putc,
 	serial1_puts,
 };
+#else
+/*
+ * Wrapper functions
+ */
+int serial_init(void)
+{
+	return serial_init_dev(ACTING_UART0_BASE);
+}
+
+void serial_setbrg(void)
+{
+	serial_setbrg_dev(ACTING_UART0_BASE);
+}
+
+void serial_putc(const char c)
+{
+	serial_putc_dev(ACTING_UART0_BASE, c);
+}
+
+void serial_puts(const char *s)
+{
+	serial_puts_dev(ACTING_UART0_BASE, s);
+}
+
+int serial_getc(void)
+{
+	return serial_getc_dev(ACTING_UART0_BASE);
+}
+
+int serial_tstc(void)
+{
+	return serial_tstc_dev(ACTING_UART0_BASE);
+}
 #endif /* CONFIG_SERIAL_MULTI */
 
 #endif	/* CONFIG_405GP || CONFIG_405CR */
diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile
index af9da5b..178c5c6 100644
--- a/cpu/ppc4xx/Makefile
+++ b/cpu/ppc4xx/Makefile
@@ -25,15 +25,40 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(CPU).a
 
-START	= start.o resetvec.o kgdb.o
-SOBJS	= dcr.o
-COBJS	= 405gp_pci.o 440spe_pcie.o 4xx_enet.o \
-	  bedbug_405.o commproc.o \
-	  cpu.o cpu_init.o gpio.o i2c.o interrupts.o \
-	  miiphy.o ndfc.o sdram.o serial.o \
-	  40x_spd_sdram.o 44x_spd_ddr.o 44x_spd_ddr2.o speed.o \
-	  tlb.o traps.o usb_ohci.o usb.o usbdev.o \
-	  440spe_pcie.o
+START	:= resetvec.o
+START	+= start.o
+
+SOBJS	:= cache.o
+SOBJS	+= dcr.o
+SOBJS	+= kgdb.o
+
+COBJS	:= 40x_spd_sdram.o
+COBJS	+= 44x_spd_ddr.o
+COBJS	+= 44x_spd_ddr2.o
+COBJS	+= 4xx_enet.o
+COBJS	+= 4xx_pci.o
+COBJS	+= 4xx_pcie.o
+COBJS	+= 4xx_uart.o
+COBJS	+= bedbug_405.o
+COBJS	+= commproc.o
+COBJS	+= cpu.o
+COBJS	+= cpu_init.o
+COBJS	+= denali_data_eye.o
+COBJS	+= denali_spd_ddr2.o
+COBJS	+= fdt.o
+COBJS	+= gpio.o
+COBJS	+= i2c.o
+COBJS	+= interrupts.o
+COBJS	+= iop480_uart.o
+COBJS	+= miiphy.o
+COBJS	+= ndfc.o
+COBJS	+= sdram.o
+COBJS	+= speed.o
+COBJS	+= tlb.o
+COBJS	+= traps.o
+COBJS	+= usb.o
+COBJS	+= usb_ohci.o
+COBJS	+= usbdev.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/ppc4xx/cache.S b/cpu/ppc4xx/cache.S
new file mode 100644
index 0000000..5124dec
--- /dev/null
+++ b/cpu/ppc4xx/cache.S
@@ -0,0 +1,233 @@
+/*
+ * This file contains miscellaneous low-level functions.
+ *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ *
+ * Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
+ * and Paul Mackerras.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <config.h>
+#include <config.h>
+#include <ppc4xx.h>
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+
+/*
+ * Flush instruction cache.
+ */
+_GLOBAL(invalidate_icache)
+	iccci	r0,r0
+	isync
+	blr
+
+/*
+ * Write any modified data cache blocks out to memory
+ * and invalidate the corresponding instruction cache blocks.
+ *
+ * flush_icache_range(unsigned long start, unsigned long stop)
+ */
+_GLOBAL(flush_icache_range)
+	li	r5,L1_CACHE_BYTES-1
+	andc	r3,r3,r5
+	subf	r4,r3,r4
+	add	r4,r4,r5
+	srwi.	r4,r4,L1_CACHE_SHIFT
+	beqlr
+	mtctr	r4
+	mr	r6,r3
+1:	dcbst	0,r3
+	addi	r3,r3,L1_CACHE_BYTES
+	bdnz	1b
+	sync				/* wait for dcbst's to get to ram */
+	mtctr	r4
+2:	icbi	0,r6
+	addi	r6,r6,L1_CACHE_BYTES
+	bdnz	2b
+	sync				/* additional sync needed on g4 */
+	isync
+	blr
+
+/*
+ * Write any modified data cache blocks out to memory.
+ * Does not invalidate the corresponding cache lines (especially for
+ * any corresponding instruction cache).
+ *
+ * clean_dcache_range(unsigned long start, unsigned long stop)
+ */
+_GLOBAL(clean_dcache_range)
+	li	r5,L1_CACHE_BYTES-1
+	andc	r3,r3,r5
+	subf	r4,r3,r4
+	add	r4,r4,r5
+	srwi.	r4,r4,L1_CACHE_SHIFT
+	beqlr
+	mtctr	r4
+
+1:	dcbst	0,r3
+	addi	r3,r3,L1_CACHE_BYTES
+	bdnz	1b
+	sync				/* wait for dcbst's to get to ram */
+	blr
+
+/*
+ * Write any modified data cache blocks out to memory and invalidate them.
+ * Does not invalidate the corresponding instruction cache blocks.
+ *
+ * flush_dcache_range(unsigned long start, unsigned long stop)
+ */
+_GLOBAL(flush_dcache_range)
+	li	r5,L1_CACHE_BYTES-1
+	andc	r3,r3,r5
+	subf	r4,r3,r4
+	add	r4,r4,r5
+	srwi.	r4,r4,L1_CACHE_SHIFT
+	beqlr
+	mtctr	r4
+
+1:	dcbf	0,r3
+	addi	r3,r3,L1_CACHE_BYTES
+	bdnz	1b
+	sync				/* wait for dcbst's to get to ram */
+	blr
+
+/*
+ * Like above, but invalidate the D-cache.  This is used by the 8xx
+ * to invalidate the cache so the PPC core doesn't get stale data
+ * from the CPM (no cache snooping here :-).
+ *
+ * invalidate_dcache_range(unsigned long start, unsigned long stop)
+ */
+_GLOBAL(invalidate_dcache_range)
+	li	r5,L1_CACHE_BYTES-1
+	andc	r3,r3,r5
+	subf	r4,r3,r4
+	add	r4,r4,r5
+	srwi.	r4,r4,L1_CACHE_SHIFT
+	beqlr
+	mtctr	r4
+
+1:	dcbi	0,r3
+	addi	r3,r3,L1_CACHE_BYTES
+	bdnz	1b
+	sync				/* wait for dcbi's to get to ram */
+	blr
+
+/*
+ * 40x cores have 8K or 16K dcache and 32 byte line size.
+ * 44x has a 32K dcache and 32 byte line size.
+ * 8xx has 1, 2, 4, 8K variants.
+ * For now, cover the worst case of the 44x.
+ * Must be called with external interrupts disabled.
+ */
+#define CACHE_NWAYS     64
+#define CACHE_NLINES    32
+
+_GLOBAL(flush_dcache)
+	li	r4,(2 * CACHE_NWAYS * CACHE_NLINES)
+	mtctr	r4
+	lis	r5,0
+1:	lwz	r3,0(r5)		/* Load one word from every line */
+	addi	r5,r5,L1_CACHE_BYTES
+	bdnz	1b
+	sync
+	blr
+
+_GLOBAL(invalidate_dcache)
+	addi	r6,0,0x0000		/* clear GPR 6 */
+	/* Do loop for # of dcache congruence classes. */
+	lis	r7,(CFG_DCACHE_SIZE / L1_CACHE_BYTES / 2)@ha	/* TBS for large sized cache */
+	ori	r7,r7,(CFG_DCACHE_SIZE / L1_CACHE_BYTES / 2)@l
+					/* NOTE: dccci invalidates both */
+	mtctr	r7			/* ways in the D cache */
+..dcloop:
+	dccci	0,r6			/* invalidate line */
+	addi	r6,r6,L1_CACHE_BYTES	/* bump to next line */
+	bdnz	..dcloop
+	sync
+	blr
+
+/*
+ * Cache functions.
+ *
+ * NOTE: currently the 440s run with dcache _disabled_ once relocated to DRAM,
+ * although for some cache-ralated calls stubs have to be provided to satisfy
+ * symbols resolution.
+ * Icache-related functions are used in POST framework.
+ *
+ */
+#ifdef CONFIG_440
+
+       .globl  dcache_disable
+       .globl  icache_disable
+       .globl  icache_enable
+dcache_disable:
+icache_disable:
+icache_enable:
+	blr
+
+	.globl	dcache_status
+	.globl	icache_status
+dcache_status:
+icache_status:
+	mr	r3,  0
+	blr
+
+#else /* CONFIG_440 */
+
+	.globl	icache_enable
+icache_enable:
+	mflr	r8
+	bl	invalidate_icache
+	mtlr	r8
+	isync
+	addis	r3,r0, 0xc000	      /* set bit 0 */
+	mticcr	r3
+	blr
+
+	.globl	icache_disable
+icache_disable:
+	addis	r3,r0, 0x0000	      /* clear bit 0 */
+	mticcr	r3
+	isync
+	blr
+
+	.globl	icache_status
+icache_status:
+	mficcr	r3
+	srwi	r3, r3, 31	/* >>31 => select bit 0 */
+	blr
+
+	.globl	dcache_enable
+dcache_enable:
+	mflr	r8
+	bl	invalidate_dcache
+	mtlr	r8
+	isync
+	addis	r3,r0, 0x8000	      /* set bit 0 */
+	mtdccr	r3
+	blr
+
+	.globl	dcache_disable
+dcache_disable:
+	mflr	r8
+	bl	flush_dcache
+	mtlr	r8
+	addis	r3,r0, 0x0000	      /* clear bit 0 */
+	mtdccr	r3
+	blr
+
+	.globl	dcache_status
+dcache_status:
+	mfdccr	r3
+	srwi	r3, r3, 31	/* >>31 => select bit 0 */
+	blr
+
+#endif /* CONFIG_440 */
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index c07bc0c..9e9c685 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
@@ -37,22 +37,9 @@
 #include <asm/cache.h>
 #include <ppc4xx.h>
 
-#if !defined(CONFIG_405)
 DECLARE_GLOBAL_DATA_PTR;
-#endif
 
-#if defined(CONFIG_BOARD_RESET)
 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) || \
@@ -60,7 +47,7 @@ void board_reset(void);
 
 #define PCI_ASYNC
 
-int pci_async_enabled(void)
+static int pci_async_enabled(void)
 {
 #if defined(CONFIG_405GP)
 	return (mfdcr(strap) & PSR_PCI_ASYNC_EN);
@@ -76,8 +63,9 @@ int pci_async_enabled(void)
 }
 #endif
 
-#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && !defined(CONFIG_405)
-int pci_arbiter_enabled(void)
+#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \
+    !defined(CONFIG_405) && !defined(CONFIG_405EX)
+static int pci_arbiter_enabled(void)
 {
 #if defined(CONFIG_405GP)
 	return (mfdcr(strap) & PSR_PCI_ARBIT_EN);
@@ -107,14 +95,10 @@ int pci_arbiter_enabled(void)
 }
 #endif
 
-#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)
-
+#if defined(CONFIG_405EP)
 #define I2C_BOOTROM
 
-int i2c_bootrom_enabled(void)
+static int i2c_bootrom_enabled(void)
 {
 #if defined(CONFIG_405EP)
 	return (mfdcr(cpc0_boot) & CPC0_BOOT_SEP);
@@ -207,6 +191,21 @@ 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)
 {
@@ -219,7 +218,19 @@ static int bootstrap_option(void)
 
 
 #if defined(CONFIG_440)
-static int do_chip_reset(unsigned long sys0, unsigned long sys1);
+static int do_chip_reset (unsigned long sys0, unsigned long sys1)
+{
+	/* Changes to cpc0_sys0 and cpc0_sys1 require chip
+	 * reset.
+	 */
+	mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000);	/* Set SWE */
+	mtdcr (cpc0_sys0, sys0);
+	mtdcr (cpc0_sys1, sys1);
+	mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000);	/* Clr SWE */
+	mtspr (dbcr0, 0x20000000);	/* Reset the chip */
+
+	return 1;
+}
 #endif
 
 
@@ -241,7 +252,8 @@ 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 +305,26 @@ 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 +456,7 @@ 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 +469,7 @@ 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 +482,11 @@ 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");
@@ -478,7 +510,6 @@ int checkcpu (void)
 	return 0;
 }
 
-#if defined (CONFIG_440SPE)
 int ppc440spe_revB() {
 	unsigned int pvr;
 
@@ -488,7 +519,6 @@ int ppc440spe_revB() {
 	else
 		return 0;
 }
-#endif
 
 /* ------------------------------------------------------------------------- */
 
@@ -510,22 +540,6 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	return 1;
 }
 
-#if defined(CONFIG_440)
-static int do_chip_reset (unsigned long sys0, unsigned long sys1)
-{
-	/* Changes to cpc0_sys0 and cpc0_sys1 require chip
-	 * reset.
-	 */
-	mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000);	/* Set SWE */
-	mtdcr (cpc0_sys0, sys0);
-	mtdcr (cpc0_sys1, sys1);
-	mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000);	/* Clr SWE */
-	mtspr (dbcr0, 0x20000000);	/* Reset the chip */
-
-	return 1;
-}
-#endif
-
 
 /*
  * Get timebase clock frequency
@@ -545,16 +559,14 @@ unsigned long get_tbclk (void)
 
 
 #if defined(CONFIG_WATCHDOG)
-void
-watchdog_reset(void)
+void watchdog_reset(void)
 {
 	int re_enable = disable_interrupts();
 	reset_4xx_watchdog();
 	if (re_enable) enable_interrupts();
 }
 
-void
-reset_4xx_watchdog(void)
+void reset_4xx_watchdog(void)
 {
 	/*
 	 * Clear TSR(WIS) bit
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 351da36..2e0dd6f 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)) && !defined(CFG_4xx_GPIO_TABLE)
 	/*
 	 * GPIO0 setup (select GPIO or alternate function)
 	 */
@@ -128,17 +128,30 @@ 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_405EP)
 	/*
 	 * Set EMAC noise filter bits
 	 */
 	mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
+
+	/*
+	 * Enable the internal PCI arbiter
+	 */
+	mtdcr(cpc0_pci, mfdcr(cpc0_pci) | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
+#endif /* CONFIG_405EP */
 #endif /* CONFIG_405EP */
 
-#if defined(CFG_440_GPIO_TABLE)
+#if defined(CFG_4xx_GPIO_TABLE)
 	gpio_set_chip_configuration();
-#endif /* CFG_440_GPIO_TABLE */
+#endif /* CFG_4xx_GPIO_TABLE */
 
 	/*
 	 * External Bus Controller (EBC) Setup
@@ -146,7 +159,7 @@ 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/denali_data_eye.c b/cpu/ppc4xx/denali_data_eye.c
new file mode 100644
index 0000000..6c949a0
--- /dev/null
+++ b/cpu/ppc4xx/denali_data_eye.c
@@ -0,0 +1,396 @@
+/*
+ * cpu/ppc4xx/denali_data_eye.c
+ * Extracted from board/amcc/sequoia/sdram.c by Larry Johnson <lrj@acm.org>.
+ *
+ * (C) Copyright 2006
+ * Sylvie Gohl,             AMCC/IBM, gohl.sylvie@fr.ibm.com
+ * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
+ * Thierry Roman,           AMCC/IBM, thierry_roman@fr.ibm.com
+ * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.com
+ * Robert Snyder,           AMCC/IBM, rob.snyder@fr.ibm.com
+ *
+ * (C) Copyright 2006-2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* define DEBUG for debugging output (obviously ;-)) */
+#if 0
+#define DEBUG
+#endif
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <ppc4xx.h>
+
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+/*-----------------------------------------------------------------------------+
+ * denali_wait_for_dlllock.
+ +----------------------------------------------------------------------------*/
+int denali_wait_for_dlllock(void)
+{
+	u32 val;
+	int wait;
+
+	/* -----------------------------------------------------------+
+	 * Wait for the DCC master delay line to finish calibration
+	 * ----------------------------------------------------------*/
+	for (wait = 0; wait != 0xffff; ++wait) {
+		mfsdram(DDR0_17, val);
+		if (DDR0_17_DLLLOCKREG_DECODE(val)) {
+			/* dlllockreg bit on */
+			return 0;
+		}
+	}
+	debug("0x%04x: DDR0_17 Value (dlllockreg bit): 0x%08x\n", wait, val);
+	debug("Waiting for dlllockreg bit to raise\n");
+	return -1;
+}
+
+#if defined(CONFIG_DDR_DATA_EYE)
+#define DDR_DCR_BASE 0x10
+#define ddrcfga  (DDR_DCR_BASE+0x0)	/* DDR configuration address reg */
+#define ddrcfgd  (DDR_DCR_BASE+0x1)	/* DDR configuration data reg    */
+
+/*-----------------------------------------------------------------------------+
+ * wait_for_dram_init_complete.
+ +----------------------------------------------------------------------------*/
+static int wait_for_dram_init_complete(void)
+{
+	unsigned long val;
+	int wait = 0;
+
+	/* --------------------------------------------------------------+
+	 * Wait for 'DRAM initialization complete' bit in status register
+	 * -------------------------------------------------------------*/
+	mtdcr(ddrcfga, DDR0_00);
+
+	while (wait != 0xffff) {
+		val = mfdcr(ddrcfgd);
+		if ((val & DDR0_00_INT_STATUS_BIT6) == DDR0_00_INT_STATUS_BIT6)
+			/* 'DRAM initialization complete' bit */
+			return 0;
+		else
+			wait++;
+	}
+	debug("DRAM initialization complete bit in status register did not "
+	      "rise\n");
+	return -1;
+}
+
+#define NUM_TRIES 64
+#define NUM_READS 10
+
+/*-----------------------------------------------------------------------------+
+ * denali_core_search_data_eye.
+ +----------------------------------------------------------------------------*/
+/*
+ * Avoid conflict with implementations of denali_core_search_data_eye in board-
+ * specific code.
+ */
+void denali_core_search_data_eye(void)
+    __attribute__ ((weak, alias("__denali_core_search_data_eye")));
+
+void __denali_core_search_data_eye(void)
+{
+	int k, j;
+	u32 val;
+	u32 wr_dqs_shift, dqs_out_shift, dll_dqs_delay_X;
+	u32 max_passing_cases = 0, wr_dqs_shift_with_max_passing_cases = 0;
+	u32 passing_cases = 0, dll_dqs_delay_X_sw_val = 0;
+	u32 dll_dqs_delay_X_start_window = 0, dll_dqs_delay_X_end_window = 0;
+	volatile u32 *ram_pointer;
+	u32 test[NUM_TRIES] = {
+		0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
+		0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
+		0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
+		0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
+		0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
+		0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
+		0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
+		0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
+		0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
+		0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
+		0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
+		0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
+		0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
+		0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
+		0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55,
+		0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55
+	};
+
+	ram_pointer = (volatile u32 *)(CFG_SDRAM_BASE);
+
+	for (wr_dqs_shift = 64; wr_dqs_shift < 96; wr_dqs_shift++) {
+		/* for (wr_dqs_shift=1; wr_dqs_shift<96; wr_dqs_shift++) { */
+
+		/* -----------------------------------------------------------+
+		 * De-assert 'start' parameter.
+		 * ----------------------------------------------------------*/
+		mtdcr(ddrcfga, DDR0_02);
+		val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) |
+		    DDR0_02_START_OFF;
+		mtdcr(ddrcfgd, val);
+
+		/* -----------------------------------------------------------+
+		 * Set 'wr_dqs_shift'
+		 * ----------------------------------------------------------*/
+		mtdcr(ddrcfga, DDR0_09);
+		val = (mfdcr(ddrcfgd) & ~DDR0_09_WR_DQS_SHIFT_MASK) |
+		    DDR0_09_WR_DQS_SHIFT_ENCODE(wr_dqs_shift);
+		mtdcr(ddrcfgd, val);
+
+		/* -----------------------------------------------------------+
+		 * Set 'dqs_out_shift' = wr_dqs_shift + 32
+		 * ----------------------------------------------------------*/
+		dqs_out_shift = wr_dqs_shift + 32;
+		mtdcr(ddrcfga, DDR0_22);
+		val = (mfdcr(ddrcfgd) & ~DDR0_22_DQS_OUT_SHIFT_MASK) |
+		    DDR0_22_DQS_OUT_SHIFT_ENCODE(dqs_out_shift);
+		mtdcr(ddrcfgd, val);
+
+		passing_cases = 0;
+
+		for (dll_dqs_delay_X = 1; dll_dqs_delay_X < 64;
+		     dll_dqs_delay_X++) {
+			/* for (dll_dqs_delay_X=1; dll_dqs_delay_X<128;
+			   dll_dqs_delay_X++) { */
+			/* -----------------------------------------------------------+
+			 * Set 'dll_dqs_delay_X'.
+			 * ----------------------------------------------------------*/
+			/* dll_dqs_delay_0 */
+			mtdcr(ddrcfga, DDR0_17);
+			val = (mfdcr(ddrcfgd) & ~DDR0_17_DLL_DQS_DELAY_0_MASK)
+			    | DDR0_17_DLL_DQS_DELAY_0_ENCODE(dll_dqs_delay_X);
+			mtdcr(ddrcfgd, val);
+			/* dll_dqs_delay_1 to dll_dqs_delay_4 */
+			mtdcr(ddrcfga, DDR0_18);
+			val = (mfdcr(ddrcfgd) & ~DDR0_18_DLL_DQS_DELAY_X_MASK)
+			    | DDR0_18_DLL_DQS_DELAY_4_ENCODE(dll_dqs_delay_X)
+			    | DDR0_18_DLL_DQS_DELAY_3_ENCODE(dll_dqs_delay_X)
+			    | DDR0_18_DLL_DQS_DELAY_2_ENCODE(dll_dqs_delay_X)
+			    | DDR0_18_DLL_DQS_DELAY_1_ENCODE(dll_dqs_delay_X);
+			mtdcr(ddrcfgd, val);
+			/* dll_dqs_delay_5 to dll_dqs_delay_8 */
+			mtdcr(ddrcfga, DDR0_19);
+			val = (mfdcr(ddrcfgd) & ~DDR0_19_DLL_DQS_DELAY_X_MASK)
+			    | DDR0_19_DLL_DQS_DELAY_8_ENCODE(dll_dqs_delay_X)
+			    | DDR0_19_DLL_DQS_DELAY_7_ENCODE(dll_dqs_delay_X)
+			    | DDR0_19_DLL_DQS_DELAY_6_ENCODE(dll_dqs_delay_X)
+			    | DDR0_19_DLL_DQS_DELAY_5_ENCODE(dll_dqs_delay_X);
+			mtdcr(ddrcfgd, val);
+			/* clear any ECC errors */
+			mtdcr(ddrcfga, DDR0_00);
+			mtdcr(ddrcfgd,
+			      mfdcr(ddrcfgd) | DDR0_00_INT_ACK_ENCODE(0x3C));
+
+			sync();
+			eieio();
+
+			/* -----------------------------------------------------------+
+			 * Assert 'start' parameter.
+			 * ----------------------------------------------------------*/
+			mtdcr(ddrcfga, DDR0_02);
+			val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) |
+			    DDR0_02_START_ON;
+			mtdcr(ddrcfgd, val);
+
+			sync();
+			eieio();
+
+			/* -----------------------------------------------------------+
+			 * Wait for the DCC master delay line to finish calibration
+			 * ----------------------------------------------------------*/
+			if (denali_wait_for_dlllock() != 0) {
+				printf("dll lock did not occur !!!\n");
+				printf("denali_core_search_data_eye!!!\n");
+				printf("wr_dqs_shift = %d - dll_dqs_delay_X = "
+				       "%d\n", wr_dqs_shift, dll_dqs_delay_X);
+				hang();
+			}
+			sync();
+			eieio();
+
+			if (wait_for_dram_init_complete() != 0) {
+				printf("dram init complete did not occur!!!\n");
+				printf("denali_core_search_data_eye!!!\n");
+				printf("wr_dqs_shift = %d - dll_dqs_delay_X = "
+				       "%d\n", wr_dqs_shift, dll_dqs_delay_X);
+				hang();
+			}
+			udelay(100); /* wait 100us to ensure init is really completed !!! */
+
+			/* write values */
+			for (j = 0; j < NUM_TRIES; j++) {
+				ram_pointer[j] = test[j];
+
+				/* clear any cache at ram location */
+			      __asm__("dcbf 0,%0": :"r"(&ram_pointer[j]));
+			}
+
+			/* read values back */
+			for (j = 0; j < NUM_TRIES; j++) {
+				for (k = 0; k < NUM_READS; k++) {
+					/* clear any cache at ram location */
+				      __asm__("dcbf 0,%0": :"r"(&ram_pointer
+					    [j]));
+
+					if (ram_pointer[j] != test[j])
+						break;
+				}
+
+				/* read error */
+				if (k != NUM_READS)
+					break;
+			}
+
+			/* See if the dll_dqs_delay_X value passed. */
+			mtdcr(ddrcfga, DDR0_00);
+			if (j < NUM_TRIES
+			    || (DDR0_00_INT_STATUS_DECODE(mfdcr(ddrcfgd)) &
+				0x3F)) {
+				/* Failed */
+				passing_cases = 0;
+				/* break; */
+			} else {
+				/* Passed */
+				if (passing_cases == 0)
+					dll_dqs_delay_X_sw_val =
+					    dll_dqs_delay_X;
+				passing_cases++;
+				if (passing_cases >= max_passing_cases) {
+					max_passing_cases = passing_cases;
+					wr_dqs_shift_with_max_passing_cases =
+					    wr_dqs_shift;
+					dll_dqs_delay_X_start_window =
+					    dll_dqs_delay_X_sw_val;
+					dll_dqs_delay_X_end_window =
+					    dll_dqs_delay_X;
+				}
+			}
+
+			/* -----------------------------------------------------------+
+			 * De-assert 'start' parameter.
+			 * ----------------------------------------------------------*/
+			mtdcr(ddrcfga, DDR0_02);
+			val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) |
+			    DDR0_02_START_OFF;
+			mtdcr(ddrcfgd, val);
+		} /* for (dll_dqs_delay_X=0; dll_dqs_delay_X<128; dll_dqs_delay_X++) */
+	} /* for (wr_dqs_shift=0; wr_dqs_shift<96; wr_dqs_shift++) */
+
+	/* -----------------------------------------------------------+
+	 * Largest passing window is now detected.
+	 * ----------------------------------------------------------*/
+
+	/* Compute dll_dqs_delay_X value */
+	dll_dqs_delay_X = (dll_dqs_delay_X_end_window +
+			   dll_dqs_delay_X_start_window) / 2;
+	wr_dqs_shift = wr_dqs_shift_with_max_passing_cases;
+
+	debug("DQS calibration - Window detected:\n");
+	debug("max_passing_cases = %d\n", max_passing_cases);
+	debug("wr_dqs_shift      = %d\n", wr_dqs_shift);
+	debug("dll_dqs_delay_X   = %d\n", dll_dqs_delay_X);
+	debug("dll_dqs_delay_X window = %d - %d\n",
+	      dll_dqs_delay_X_start_window, dll_dqs_delay_X_end_window);
+
+	/* -----------------------------------------------------------+
+	 * De-assert 'start' parameter.
+	 * ----------------------------------------------------------*/
+	mtdcr(ddrcfga, DDR0_02);
+	val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) | DDR0_02_START_OFF;
+	mtdcr(ddrcfgd, val);
+
+	/* -----------------------------------------------------------+
+	 * Set 'wr_dqs_shift'
+	 * ----------------------------------------------------------*/
+	mtdcr(ddrcfga, DDR0_09);
+	val = (mfdcr(ddrcfgd) & ~DDR0_09_WR_DQS_SHIFT_MASK)
+	    | DDR0_09_WR_DQS_SHIFT_ENCODE(wr_dqs_shift);
+	mtdcr(ddrcfgd, val);
+	debug("DDR0_09=0x%08lx\n", val);
+
+	/* -----------------------------------------------------------+
+	 * Set 'dqs_out_shift' = wr_dqs_shift + 32
+	 * ----------------------------------------------------------*/
+	dqs_out_shift = wr_dqs_shift + 32;
+	mtdcr(ddrcfga, DDR0_22);
+	val = (mfdcr(ddrcfgd) & ~DDR0_22_DQS_OUT_SHIFT_MASK)
+	    | DDR0_22_DQS_OUT_SHIFT_ENCODE(dqs_out_shift);
+	mtdcr(ddrcfgd, val);
+	debug("DDR0_22=0x%08lx\n", val);
+
+	/* -----------------------------------------------------------+
+	 * Set 'dll_dqs_delay_X'.
+	 * ----------------------------------------------------------*/
+	/* dll_dqs_delay_0 */
+	mtdcr(ddrcfga, DDR0_17);
+	val = (mfdcr(ddrcfgd) & ~DDR0_17_DLL_DQS_DELAY_0_MASK)
+	    | DDR0_17_DLL_DQS_DELAY_0_ENCODE(dll_dqs_delay_X);
+	mtdcr(ddrcfgd, val);
+	debug("DDR0_17=0x%08lx\n", val);
+
+	/* dll_dqs_delay_1 to dll_dqs_delay_4 */
+	mtdcr(ddrcfga, DDR0_18);
+	val = (mfdcr(ddrcfgd) & ~DDR0_18_DLL_DQS_DELAY_X_MASK)
+	    | DDR0_18_DLL_DQS_DELAY_4_ENCODE(dll_dqs_delay_X)
+	    | DDR0_18_DLL_DQS_DELAY_3_ENCODE(dll_dqs_delay_X)
+	    | DDR0_18_DLL_DQS_DELAY_2_ENCODE(dll_dqs_delay_X)
+	    | DDR0_18_DLL_DQS_DELAY_1_ENCODE(dll_dqs_delay_X);
+	mtdcr(ddrcfgd, val);
+	debug("DDR0_18=0x%08lx\n", val);
+
+	/* dll_dqs_delay_5 to dll_dqs_delay_8 */
+	mtdcr(ddrcfga, DDR0_19);
+	val = (mfdcr(ddrcfgd) & ~DDR0_19_DLL_DQS_DELAY_X_MASK)
+	    | DDR0_19_DLL_DQS_DELAY_8_ENCODE(dll_dqs_delay_X)
+	    | DDR0_19_DLL_DQS_DELAY_7_ENCODE(dll_dqs_delay_X)
+	    | DDR0_19_DLL_DQS_DELAY_6_ENCODE(dll_dqs_delay_X)
+	    | DDR0_19_DLL_DQS_DELAY_5_ENCODE(dll_dqs_delay_X);
+	mtdcr(ddrcfgd, val);
+	debug("DDR0_19=0x%08lx\n", val);
+
+	/* -----------------------------------------------------------+
+	 * Assert 'start' parameter.
+	 * ----------------------------------------------------------*/
+	mtdcr(ddrcfga, DDR0_02);
+	val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) | DDR0_02_START_ON;
+	mtdcr(ddrcfgd, val);
+
+	sync();
+	eieio();
+
+	/* -----------------------------------------------------------+
+	 * Wait for the DCC master delay line to finish calibration
+	 * ----------------------------------------------------------*/
+	if (denali_wait_for_dlllock() != 0) {
+		printf("dll lock did not occur !!!\n");
+		hang();
+	}
+	sync();
+	eieio();
+
+	if (wait_for_dram_init_complete() != 0) {
+		printf("dram init complete did not occur !!!\n");
+		hang();
+	}
+	udelay(100); /* wait 100us to ensure init is really completed !!! */
+}
+#endif /* defined(CONFIG_DDR_DATA_EYE) */
+#endif /* defined(CONFIG_440EPX) || defined(CONFIG_440GRX) */
diff --git a/cpu/ppc4xx/denali_spd_ddr2.c b/cpu/ppc4xx/denali_spd_ddr2.c
new file mode 100644
index 0000000..825bc21
--- /dev/null
+++ b/cpu/ppc4xx/denali_spd_ddr2.c
@@ -0,0 +1,1254 @@
+/*
+ * cpu/ppc4xx/denali_spd_ddr2.c
+ * This SPD SDRAM detection code supports AMCC PPC44x CPUs with a Denali-core
+ * DDR2 controller, specifically the 440EPx/GRx.
+ *
+ * (C) Copyright 2007
+ * Larry Johnson, lrj@acm.org.
+ *
+ * Based primarily on cpu/ppc4xx/4xx_spd_ddr2.c, which is...
+ *
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * COPYRIGHT   AMCC   CORPORATION 2004
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+/* define DEBUG for debugging output (obviously ;-)) */
+#if 0
+#define DEBUG
+#endif
+
+#include <common.h>
+#include <command.h>
+#include <ppc4xx.h>
+#include <i2c.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/mmu.h>
+
+#if defined(CONFIG_SPD_EEPROM) &&				\
+	(defined(CONFIG_440EPX) || defined(CONFIG_440GRX))
+
+/*-----------------------------------------------------------------------------+
+ * Defines
+ *-----------------------------------------------------------------------------*/
+#ifndef	TRUE
+#define TRUE		1
+#endif
+#ifndef FALSE
+#define FALSE		0
+#endif
+
+#define MAXDIMMS	2
+#define MAXRANKS	2
+
+#define ONE_BILLION	1000000000
+
+#define MULDIV64(m1, m2, d)	(u32)(((u64)(m1) * (u64)(m2)) / (u64)(d))
+
+#define DLL_DQS_DELAY	0x19
+#define DLL_DQS_BYPASS	0x0B
+#define DQS_OUT_SHIFT	0x7F
+
+/*
+ * This DDR2 setup code can dynamically setup the TLB entries for the DDR2 memory
+ * region. Right now the cache should still be disabled in U-Boot because of the
+ * EMAC driver, that need it's buffer descriptor to be located in non cached
+ * memory.
+ *
+ * If at some time this restriction doesn't apply anymore, just define
+ * CFG_ENABLE_SDRAM_CACHE in the board config file and this code should setup
+ * everything correctly.
+ */
+#if defined(CFG_ENABLE_SDRAM_CACHE)
+#define MY_TLB_WORD2_I_ENABLE	0			/* enable caching on SDRAM */
+#else
+#define MY_TLB_WORD2_I_ENABLE	TLB_WORD2_I_ENABLE	/* disable caching on SDRAM */
+#endif
+
+/*-----------------------------------------------------------------------------+
+ * Prototypes
+ *-----------------------------------------------------------------------------*/
+extern int denali_wait_for_dlllock(void);
+extern void denali_core_search_data_eye(void);
+extern void dcbz_area(u32 start_address, u32 num_bytes);
+extern void dflush(void);
+
+/*
+ * Board-specific Platform code can reimplement spd_ddr_init_hang () if needed
+ */
+void __spd_ddr_init_hang(void)
+{
+	hang();
+}
+void spd_ddr_init_hang(void)
+    __attribute__ ((weak, alias("__spd_ddr_init_hang")));
+
+#if defined(DEBUG)
+static void print_mcsr(void)
+{
+	printf("MCSR = 0x%08X\n", mfspr(SPRN_MCSR));
+}
+
+static void denali_sdram_register_dump(void)
+{
+	unsigned int sdram_data;
+
+	printf("\n  Register Dump:\n");
+	mfsdram(DDR0_00, sdram_data);
+	printf("        DDR0_00 = 0x%08X", sdram_data);
+	mfsdram(DDR0_01, sdram_data);
+	printf("        DDR0_01 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_02, sdram_data);
+	printf("        DDR0_02 = 0x%08X", sdram_data);
+	mfsdram(DDR0_03, sdram_data);
+	printf("        DDR0_03 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_04, sdram_data);
+	printf("        DDR0_04 = 0x%08X", sdram_data);
+	mfsdram(DDR0_05, sdram_data);
+	printf("        DDR0_05 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_06, sdram_data);
+	printf("        DDR0_06 = 0x%08X", sdram_data);
+	mfsdram(DDR0_07, sdram_data);
+	printf("        DDR0_07 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_08, sdram_data);
+	printf("        DDR0_08 = 0x%08X", sdram_data);
+	mfsdram(DDR0_09, sdram_data);
+	printf("        DDR0_09 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_10, sdram_data);
+	printf("        DDR0_10 = 0x%08X", sdram_data);
+	mfsdram(DDR0_11, sdram_data);
+	printf("        DDR0_11 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_12, sdram_data);
+	printf("        DDR0_12 = 0x%08X", sdram_data);
+	mfsdram(DDR0_14, sdram_data);
+	printf("        DDR0_14 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_17, sdram_data);
+	printf("        DDR0_17 = 0x%08X", sdram_data);
+	mfsdram(DDR0_18, sdram_data);
+	printf("        DDR0_18 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_19, sdram_data);
+	printf("        DDR0_19 = 0x%08X", sdram_data);
+	mfsdram(DDR0_20, sdram_data);
+	printf("        DDR0_20 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_21, sdram_data);
+	printf("        DDR0_21 = 0x%08X", sdram_data);
+	mfsdram(DDR0_22, sdram_data);
+	printf("        DDR0_22 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_23, sdram_data);
+	printf("        DDR0_23 = 0x%08X", sdram_data);
+	mfsdram(DDR0_24, sdram_data);
+	printf("        DDR0_24 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_25, sdram_data);
+	printf("        DDR0_25 = 0x%08X", sdram_data);
+	mfsdram(DDR0_26, sdram_data);
+	printf("        DDR0_26 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_27, sdram_data);
+	printf("        DDR0_27 = 0x%08X", sdram_data);
+	mfsdram(DDR0_28, sdram_data);
+	printf("        DDR0_28 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_31, sdram_data);
+	printf("        DDR0_31 = 0x%08X", sdram_data);
+	mfsdram(DDR0_32, sdram_data);
+	printf("        DDR0_32 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_33, sdram_data);
+	printf("        DDR0_33 = 0x%08X", sdram_data);
+	mfsdram(DDR0_34, sdram_data);
+	printf("        DDR0_34 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_35, sdram_data);
+	printf("        DDR0_35 = 0x%08X", sdram_data);
+	mfsdram(DDR0_36, sdram_data);
+	printf("        DDR0_36 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_37, sdram_data);
+	printf("        DDR0_37 = 0x%08X", sdram_data);
+	mfsdram(DDR0_38, sdram_data);
+	printf("        DDR0_38 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_39, sdram_data);
+	printf("        DDR0_39 = 0x%08X", sdram_data);
+	mfsdram(DDR0_40, sdram_data);
+	printf("        DDR0_40 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_41, sdram_data);
+	printf("        DDR0_41 = 0x%08X", sdram_data);
+	mfsdram(DDR0_42, sdram_data);
+	printf("        DDR0_42 = 0x%08X\n", sdram_data);
+	mfsdram(DDR0_43, sdram_data);
+	printf("        DDR0_43 = 0x%08X", sdram_data);
+	mfsdram(DDR0_44, sdram_data);
+	printf("        DDR0_44 = 0x%08X\n", sdram_data);
+}
+#else
+static inline void denali_sdram_register_dump(void)
+{
+}
+
+inline static void print_mcsr(void)
+{
+}
+#endif /* defined(DEBUG) */
+
+static int is_ecc_enabled(void)
+{
+	u32 val;
+
+	mfsdram(DDR0_22, val);
+	return 0x3 == DDR0_22_CTRL_RAW_DECODE(val);
+}
+
+static unsigned char spd_read(u8 chip, unsigned int addr)
+{
+	u8 data[2];
+
+	if (0 != i2c_probe(chip) || 0 != i2c_read(chip, addr, 1, data, 1)) {
+		debug("spd_read(0x%02X, 0x%02X) failed\n", chip, addr);
+		return 0;
+	}
+	debug("spd_read(0x%02X, 0x%02X) returned 0x%02X\n",
+	      chip, addr, data[0]);
+	return data[0];
+}
+
+static unsigned long get_tcyc(unsigned char reg)
+{
+	/*
+	 * Byte 9, et al: Cycle time for CAS Latency=X, is split into two
+	 * nibbles: the higher order nibble (bits 4-7) designates the cycle time
+	 * to a granularity of 1ns; the value presented by the lower order
+	 * nibble (bits 0-3) has a granularity of .1ns and is added to the value
+	 * designated by the higher nibble. In addition, four lines of the lower
+	 * order nibble are assigned to support +.25, +.33, +.66, and +.75.
+	 */
+
+	unsigned char subfield_b = reg & 0x0F;
+
+	switch (subfield_b & 0x0F) {
+	case 0x0:
+	case 0x1:
+	case 0x2:
+	case 0x3:
+	case 0x4:
+	case 0x5:
+	case 0x6:
+	case 0x7:
+	case 0x8:
+	case 0x9:
+		return 1000 * (reg >> 4) + 100 * subfield_b;
+	case 0xA:
+		return 1000 * (reg >> 4) + 250;
+	case 0xB:
+		return 1000 * (reg >> 4) + 333;
+	case 0xC:
+		return 1000 * (reg >> 4) + 667;
+	case 0xD:
+		return 1000 * (reg >> 4) + 750;
+	}
+	return 0;
+}
+
+/*------------------------------------------------------------------
+ * Find the installed DIMMs, make sure that the are DDR2, and fill
+ * in the dimm_ranks array.  Then dimm_ranks[dimm_num] > 0 iff the
+ * DIMM and dimm_num is present.
+ * Note: Because there are only two chip-select lines, it is assumed
+ * that a board with a single socket can support two ranks on that
+ * socket, while a board with two sockets can support only one rank
+ * on each socket.
+ *-----------------------------------------------------------------*/
+static void get_spd_info(unsigned long dimm_ranks[],
+			 unsigned long *ranks,
+			 unsigned char const iic0_dimm_addr[],
+			 unsigned long num_dimm_banks)
+{
+	unsigned long dimm_num;
+	unsigned long dimm_found = FALSE;
+	unsigned long const max_ranks_per_dimm = (1 == num_dimm_banks) ? 2 : 1;
+	unsigned char num_of_bytes;
+	unsigned char total_size;
+
+	*ranks = 0;
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		num_of_bytes = 0;
+		total_size = 0;
+
+		num_of_bytes = spd_read(iic0_dimm_addr[dimm_num], 0);
+		total_size = spd_read(iic0_dimm_addr[dimm_num], 1);
+		if ((num_of_bytes != 0) && (total_size != 0)) {
+			unsigned char const dimm_type =
+			    spd_read(iic0_dimm_addr[dimm_num], 2);
+
+			unsigned long ranks_on_dimm =
+			    (spd_read(iic0_dimm_addr[dimm_num], 5) & 0x07) + 1;
+
+			if (8 != dimm_type) {
+				switch (dimm_type) {
+				case 1:
+					printf("ERROR: Standard Fast Page Mode "
+					       "DRAM DIMM");
+					break;
+				case 2:
+					printf("ERROR: EDO DIMM");
+					break;
+				case 3:
+					printf("ERROR: Pipelined Nibble DIMM");
+					break;
+				case 4:
+					printf("ERROR: SDRAM DIMM");
+					break;
+				case 5:
+					printf("ERROR: Multiplexed ROM DIMM");
+					break;
+				case 6:
+					printf("ERROR: SGRAM DIMM");
+					break;
+				case 7:
+					printf("ERROR: DDR1 DIMM");
+					break;
+				default:
+					printf("ERROR: Unknown DIMM (type %d)",
+					       (unsigned int)dimm_type);
+					break;
+				}
+				printf(" detected in slot %lu.\n", dimm_num);
+				printf("Only DDR2 SDRAM DIMMs are supported."
+				       "\n");
+				printf("Replace the module with a DDR2 DIMM."
+				       "\n\n");
+				spd_ddr_init_hang();
+			}
+			dimm_found = TRUE;
+			debug("DIMM slot %lu: populated with %lu-rank DDR2 DIMM"
+			      "\n", dimm_num, ranks_on_dimm);
+			if (ranks_on_dimm > max_ranks_per_dimm) {
+				printf("WARNING: DRAM DIMM in slot %lu has %lu "
+				       "ranks.\n");
+				if (1 == max_ranks_per_dimm) {
+					printf("Only one rank will be used.\n");
+				} else {
+					printf
+					    ("Only two ranks will be used.\n");
+				}
+				ranks_on_dimm = max_ranks_per_dimm;
+			}
+			dimm_ranks[dimm_num] = ranks_on_dimm;
+			*ranks += ranks_on_dimm;
+		} else {
+			dimm_ranks[dimm_num] = 0;
+			debug("DIMM slot %lu: Not populated\n", dimm_num);
+		}
+	}
+	if (dimm_found == FALSE) {
+		printf("ERROR: No memory installed.\n");
+		printf("Install at least one DDR2 DIMM.\n\n");
+		spd_ddr_init_hang();
+	}
+	debug("Total number of ranks = %d\n", *ranks);
+}
+
+/*------------------------------------------------------------------
+ * For the memory DIMMs installed, this routine verifies that
+ * frequency previously calculated is supported.
+ *-----------------------------------------------------------------*/
+static void check_frequency(unsigned long *dimm_ranks,
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq)
+{
+	unsigned long dimm_num;
+	unsigned long cycle_time;
+	unsigned long calc_cycle_time;
+
+	/*
+	 * calc_cycle_time is calculated from DDR frequency set by board/chip
+	 * and is expressed in picoseconds to match the way DIMM cycle time is
+	 * calculated below.
+	 */
+	calc_cycle_time = MULDIV64(ONE_BILLION, 1000, sdram_freq);
+
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		if (dimm_ranks[dimm_num]) {
+			cycle_time =
+			    get_tcyc(spd_read(iic0_dimm_addr[dimm_num], 9));
+			debug("cycle_time=%d ps\n", cycle_time);
+
+			if (cycle_time > (calc_cycle_time + 10)) {
+				/*
+				 * the provided sdram cycle_time is too small
+				 * for the available DIMM cycle_time. The
+				 * additionnal 10ps is here to accept a small
+				 * incertainty.
+				 */
+				printf
+				    ("ERROR: DRAM DIMM detected with cycle_time %d ps in "
+				     "slot %d \n while calculated cycle time is %d ps.\n",
+				     (unsigned int)cycle_time,
+				     (unsigned int)dimm_num,
+				     (unsigned int)calc_cycle_time);
+				printf
+				    ("Replace the DIMM, or change DDR frequency via "
+				     "strapping bits.\n\n");
+				spd_ddr_init_hang();
+			}
+		}
+	}
+}
+
+/*------------------------------------------------------------------
+ * This routine gets size information for the installed memory
+ * DIMMs.
+ *-----------------------------------------------------------------*/
+static void get_dimm_size(unsigned long dimm_ranks[],
+			  unsigned char const iic0_dimm_addr[],
+			  unsigned long num_dimm_banks,
+			  unsigned long *const rows,
+			  unsigned long *const banks,
+			  unsigned long *const cols, unsigned long *const width)
+{
+	unsigned long dimm_num;
+
+	*rows = 0;
+	*banks = 0;
+	*cols = 0;
+	*width = 0;
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		if (dimm_ranks[dimm_num]) {
+			unsigned long t;
+
+			/* Rows */
+			t = spd_read(iic0_dimm_addr[dimm_num], 3);
+			if (0 == *rows) {
+				*rows = t;
+			} else if (t != *rows) {
+				printf("ERROR: DRAM DIMM modules do not all "
+				       "have the same number of rows.\n\n");
+				spd_ddr_init_hang();
+			}
+			/* Banks */
+			t = spd_read(iic0_dimm_addr[dimm_num], 17);
+			if (0 == *banks) {
+				*banks = t;
+			} else if (t != *banks) {
+				printf("ERROR: DRAM DIMM modules do not all "
+				       "have the same number of banks.\n\n");
+				spd_ddr_init_hang();
+			}
+			/* Columns */
+			t = spd_read(iic0_dimm_addr[dimm_num], 4);
+			if (0 == *cols) {
+				*cols = t;
+			} else if (t != *cols) {
+				printf("ERROR: DRAM DIMM modules do not all "
+				       "have the same number of columns.\n\n");
+				spd_ddr_init_hang();
+			}
+			/* Data width */
+			t = spd_read(iic0_dimm_addr[dimm_num], 6);
+			if (0 == *width) {
+				*width = t;
+			} else if (t != *width) {
+				printf("ERROR: DRAM DIMM modules do not all "
+				       "have the same data width.\n\n");
+				spd_ddr_init_hang();
+			}
+		}
+	}
+	debug("Number of rows = %d\n", *rows);
+	debug("Number of columns = %d\n", *cols);
+	debug("Number of banks = %d\n", *banks);
+	debug("Data width = %d\n", *width);
+	if (*rows > 14) {
+		printf("ERROR: DRAM DIMM modules have %lu address rows.\n",
+		       *rows);
+		printf("Only modules with 14 or fewer rows are supported.\n\n");
+		spd_ddr_init_hang();
+	}
+	if (4 != *banks && 8 != *banks) {
+		printf("ERROR: DRAM DIMM modules have %lu banks.\n", *banks);
+		printf("Only modules with 4 or 8 banks are supported.\n\n");
+		spd_ddr_init_hang();
+	}
+	if (*cols > 12) {
+		printf("ERROR: DRAM DIMM modules have %lu address columns.\n",
+		       *cols);
+		printf("Only modules with 12 or fewer columns are "
+		       "supported.\n\n");
+		spd_ddr_init_hang();
+	}
+	if (32 != *width && 40 != *width && 64 != *width && 72 != *width) {
+		printf("ERROR: DRAM DIMM modules have a width of %lu bit.\n",
+		       *width);
+		printf("Only modules with widths of 32, 40, 64, and 72 bits "
+		       "are supported.\n\n");
+		spd_ddr_init_hang();
+	}
+}
+
+/*------------------------------------------------------------------
+ * Only 1.8V modules are supported.  This routine verifies this.
+ *-----------------------------------------------------------------*/
+static void check_voltage_type(unsigned long dimm_ranks[],
+			       unsigned char const iic0_dimm_addr[],
+			       unsigned long num_dimm_banks)
+{
+	unsigned long dimm_num;
+	unsigned long voltage_type;
+
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		if (dimm_ranks[dimm_num]) {
+			voltage_type = spd_read(iic0_dimm_addr[dimm_num], 8);
+			if (0x05 != voltage_type) {	/* 1.8V for DDR2 */
+				printf("ERROR: Slot %lu provides 1.8V for DDR2 "
+				       "DIMMs.\n", dimm_num);
+				switch (voltage_type) {
+				case 0x00:
+					printf("This DIMM is 5.0 Volt/TTL.\n");
+					break;
+				case 0x01:
+					printf("This DIMM is LVTTL.\n");
+					break;
+				case 0x02:
+					printf("This DIMM is 1.5 Volt.\n");
+					break;
+				case 0x03:
+					printf("This DIMM is 3.3 Volt/TTL.\n");
+					break;
+				case 0x04:
+					printf("This DIMM is 2.5 Volt.\n");
+					break;
+				default:
+					printf("This DIMM is an unknown "
+					       "voltage.\n");
+					break;
+				}
+				printf("Replace it with a 1.8V DDR2 DIMM.\n\n");
+				spd_ddr_init_hang();
+			}
+		}
+	}
+}
+
+static void program_ddr0_03(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq,
+			    unsigned long rows, unsigned long *cas_latency)
+{
+	unsigned long dimm_num;
+	unsigned long cas_index;
+	unsigned long cycle_2_0_clk;
+	unsigned long cycle_3_0_clk;
+	unsigned long cycle_4_0_clk;
+	unsigned long cycle_5_0_clk;
+	unsigned long max_2_0_tcyc_ps = 100;
+	unsigned long max_3_0_tcyc_ps = 100;
+	unsigned long max_4_0_tcyc_ps = 100;
+	unsigned long max_5_0_tcyc_ps = 100;
+	unsigned char cas_available = 0x3C;	/* value for DDR2 */
+	u32 ddr0_03 = DDR0_03_BSTLEN_ENCODE(0x2) | DDR0_03_INITAREF_ENCODE(0x2);
+	unsigned int const tcyc_addr[3] = { 9, 23, 25 };
+
+	/*------------------------------------------------------------------
+	 * Get the board configuration info.
+	 *-----------------------------------------------------------------*/
+	debug("sdram_freq = %d\n", sdram_freq);
+
+	/*------------------------------------------------------------------
+	 * Handle the timing.  We need to find the worst case timing of all
+	 * the dimm modules installed.
+	 *-----------------------------------------------------------------*/
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			unsigned char const cas_bit =
+			    spd_read(iic0_dimm_addr[dimm_num], 18);
+			unsigned char cas_mask;
+
+			cas_available &= cas_bit;
+			for (cas_mask = 0x80; cas_mask; cas_mask >>= 1) {
+				if (cas_bit & cas_mask)
+					break;
+			}
+			debug("cas_bit (SPD byte 18) = %02X, cas_mask = %02X\n",
+			      cas_bit, cas_mask);
+
+			for (cas_index = 0; cas_index < 3;
+			     cas_mask >>= 1, cas_index++) {
+				unsigned long cycle_time_ps;
+
+				if (!(cas_available & cas_mask)) {
+					continue;
+				}
+				cycle_time_ps =
+				    get_tcyc(spd_read(iic0_dimm_addr[dimm_num],
+						      tcyc_addr[cas_index]));
+
+				debug("cas_index = %d: cycle_time_ps = %d\n",
+				      cas_index, cycle_time_ps);
+				/*
+				 * DDR2 devices use the following bitmask for CAS latency:
+				 *  Bit   7    6    5    4    3    2    1    0
+				 *       TBD  6.0  5.0  4.0  3.0  2.0  TBD  TBD
+				 */
+				switch (cas_mask) {
+				case 0x20:
+					max_5_0_tcyc_ps =
+					    max(max_5_0_tcyc_ps, cycle_time_ps);
+					break;
+				case 0x10:
+					max_4_0_tcyc_ps =
+					    max(max_4_0_tcyc_ps, cycle_time_ps);
+					break;
+				case 0x08:
+					max_3_0_tcyc_ps =
+					    max(max_3_0_tcyc_ps, cycle_time_ps);
+					break;
+				case 0x04:
+					max_2_0_tcyc_ps =
+					    max(max_2_0_tcyc_ps, cycle_time_ps);
+					break;
+				}
+			}
+		}
+	}
+	debug("cas_available (bit map) = 0x%02X\n", cas_available);
+
+	/*------------------------------------------------------------------
+	 * Set the SDRAM mode, SDRAM_MMODE
+	 *-----------------------------------------------------------------*/
+
+	/* add 10 here because of rounding problems */
+	cycle_2_0_clk = MULDIV64(ONE_BILLION, 1000, max_2_0_tcyc_ps) + 10;
+	cycle_3_0_clk = MULDIV64(ONE_BILLION, 1000, max_3_0_tcyc_ps) + 10;
+	cycle_4_0_clk = MULDIV64(ONE_BILLION, 1000, max_4_0_tcyc_ps) + 10;
+	cycle_5_0_clk = MULDIV64(ONE_BILLION, 1000, max_5_0_tcyc_ps) + 10;
+	debug("cycle_2_0_clk = %d\n", cycle_2_0_clk);
+	debug("cycle_3_0_clk = %d\n", cycle_3_0_clk);
+	debug("cycle_4_0_clk = %d\n", cycle_4_0_clk);
+	debug("cycle_5_0_clk = %d\n", cycle_5_0_clk);
+
+	if ((cas_available & 0x04) && (sdram_freq <= cycle_2_0_clk)) {
+		*cas_latency = 2;
+		ddr0_03 |= DDR0_03_CASLAT_ENCODE(0x2) |
+		    DDR0_03_CASLAT_LIN_ENCODE(0x4);
+	} else if ((cas_available & 0x08) && (sdram_freq <= cycle_3_0_clk)) {
+		*cas_latency = 3;
+		ddr0_03 |= DDR0_03_CASLAT_ENCODE(0x3) |
+		    DDR0_03_CASLAT_LIN_ENCODE(0x6);
+	} else if ((cas_available & 0x10) && (sdram_freq <= cycle_4_0_clk)) {
+		*cas_latency = 4;
+		ddr0_03 |= DDR0_03_CASLAT_ENCODE(0x4) |
+		    DDR0_03_CASLAT_LIN_ENCODE(0x8);
+	} else if ((cas_available & 0x20) && (sdram_freq <= cycle_5_0_clk)) {
+		*cas_latency = 5;
+		ddr0_03 |= DDR0_03_CASLAT_ENCODE(0x5) |
+		    DDR0_03_CASLAT_LIN_ENCODE(0xA);
+	} else {
+		printf("ERROR: Cannot find a supported CAS latency with the "
+		       "installed DIMMs.\n");
+		printf("Only DDR2 DIMMs with CAS latencies of 2.0, 3.0, 4.0, "
+		       "and 5.0 are supported.\n");
+		printf("Make sure the PLB speed is within the supported range "
+		       "of the DIMMs.\n");
+		printf("sdram_freq=%d cycle2=%d cycle3=%d cycle4=%d "
+		       "cycle5=%d\n\n", sdram_freq, cycle_2_0_clk,
+		       cycle_3_0_clk, cycle_4_0_clk, cycle_5_0_clk);
+		spd_ddr_init_hang();
+	}
+	debug("CAS latency = %d\n", *cas_latency);
+	mtsdram(DDR0_03, ddr0_03);
+}
+
+static void program_ddr0_04(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq)
+{
+	unsigned long dimm_num;
+	unsigned long t_rc_ps = 0;
+	unsigned long t_rrd_ps = 0;
+	unsigned long t_rtp_ps = 0;
+	unsigned long t_rc_clk;
+	unsigned long t_rrd_clk;
+	unsigned long t_rtp_clk;
+
+	/*------------------------------------------------------------------
+	 * Handle the timing.  We need to find the worst case timing of all
+	 * the dimm modules installed.
+	 *-----------------------------------------------------------------*/
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			unsigned long ps;
+
+			/* tRC */
+			ps = 1000 * spd_read(iic0_dimm_addr[dimm_num], 41);
+			switch (spd_read(iic0_dimm_addr[dimm_num], 40) >> 4) {
+			case 0x1:
+				ps += 250;
+				break;
+			case 0x2:
+				ps += 333;
+				break;
+			case 0x3:
+				ps += 500;
+				break;
+			case 0x4:
+				ps += 667;
+				break;
+			case 0x5:
+				ps += 750;
+				break;
+			}
+			t_rc_ps = max(t_rc_ps, ps);
+			/* tRRD */
+			ps = 250 * spd_read(iic0_dimm_addr[dimm_num], 28);
+			t_rrd_ps = max(t_rrd_ps, ps);
+			/* tRTP */
+			ps = 250 * spd_read(iic0_dimm_addr[dimm_num], 38);
+			t_rtp_ps = max(t_rtp_ps, ps);
+		}
+	}
+	debug("t_rc_ps  = %d\n", t_rc_ps);
+	t_rc_clk = (MULDIV64(sdram_freq, t_rc_ps, ONE_BILLION) + 999) / 1000;
+	debug("t_rrd_ps = %d\n", t_rrd_ps);
+	t_rrd_clk = (MULDIV64(sdram_freq, t_rrd_ps, ONE_BILLION) + 999) / 1000;
+	debug("t_rtp_ps = %d\n", t_rtp_ps);
+	t_rtp_clk = (MULDIV64(sdram_freq, t_rtp_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_04, DDR0_04_TRC_ENCODE(t_rc_clk) |
+		DDR0_04_TRRD_ENCODE(t_rrd_clk) |
+		DDR0_04_TRTP_ENCODE(t_rtp_clk));
+}
+
+static void program_ddr0_05(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq)
+{
+	unsigned long dimm_num;
+	unsigned long t_rp_ps = 0;
+	unsigned long t_ras_ps = 0;
+	unsigned long t_rp_clk;
+	unsigned long t_ras_clk;
+	u32 ddr0_05 = DDR0_05_TMRD_ENCODE(0x2) | DDR0_05_TEMRS_ENCODE(0x2);
+
+	/*------------------------------------------------------------------
+	 * Handle the timing.  We need to find the worst case timing of all
+	 * the dimm modules installed.
+	 *-----------------------------------------------------------------*/
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			unsigned long ps;
+
+			/* tRP */
+			ps = 250 * spd_read(iic0_dimm_addr[dimm_num], 27);
+			t_rp_ps = max(t_rp_ps, ps);
+			/* tRAS */
+			ps = 1000 * spd_read(iic0_dimm_addr[dimm_num], 30);
+			t_ras_ps = max(t_ras_ps, ps);
+		}
+	}
+	debug("t_rp_ps  = %d\n", t_rp_ps);
+	t_rp_clk = (MULDIV64(sdram_freq, t_rp_ps, ONE_BILLION) + 999) / 1000;
+	debug("t_ras_ps = %d\n", t_ras_ps);
+	t_ras_clk = (MULDIV64(sdram_freq, t_ras_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_05, ddr0_05 | DDR0_05_TRP_ENCODE(t_rp_clk) |
+		DDR0_05_TRAS_MIN_ENCODE(t_ras_clk));
+}
+
+static void program_ddr0_06(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq)
+{
+	unsigned long dimm_num;
+	unsigned char spd_40;
+	unsigned long t_wtr_ps = 0;
+	unsigned long t_rfc_ps = 0;
+	unsigned long t_wtr_clk;
+	unsigned long t_rfc_clk;
+	u32 ddr0_06 =
+	    DDR0_06_WRITEINTERP_ENCODE(0x1) | DDR0_06_TDLL_ENCODE(200);
+
+	/*------------------------------------------------------------------
+	 * Handle the timing.  We need to find the worst case timing of all
+	 * the dimm modules installed.
+	 *-----------------------------------------------------------------*/
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			unsigned long ps;
+
+			/* tWTR */
+			ps = 250 * spd_read(iic0_dimm_addr[dimm_num], 37);
+			t_wtr_ps = max(t_wtr_ps, ps);
+			/* tRFC */
+			ps = 1000 * spd_read(iic0_dimm_addr[dimm_num], 42);
+			spd_40 = spd_read(iic0_dimm_addr[dimm_num], 40);
+			ps += 256000 * (spd_40 & 0x01);
+			switch ((spd_40 & 0x0E) >> 1) {
+			case 0x1:
+				ps += 250;
+				break;
+			case 0x2:
+				ps += 333;
+				break;
+			case 0x3:
+				ps += 500;
+				break;
+			case 0x4:
+				ps += 667;
+				break;
+			case 0x5:
+				ps += 750;
+				break;
+			}
+			t_rfc_ps = max(t_rfc_ps, ps);
+		}
+	}
+	debug("t_wtr_ps = %d\n", t_wtr_ps);
+	t_wtr_clk = (MULDIV64(sdram_freq, t_wtr_ps, ONE_BILLION) + 999) / 1000;
+	debug("t_rfc_ps = %d\n", t_rfc_ps);
+	t_rfc_clk = (MULDIV64(sdram_freq, t_rfc_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_06, ddr0_06 | DDR0_06_TWTR_ENCODE(t_wtr_clk) |
+		DDR0_06_TRFC_ENCODE(t_rfc_clk));
+}
+
+static void program_ddr0_10(unsigned long dimm_ranks[], unsigned long ranks)
+{
+	unsigned long csmap;
+
+	if (2 == ranks) {
+		/* Both chip selects in use */
+		csmap = 0x03;
+	} else {
+		/* One chip select in use */
+		csmap = (1 == dimm_ranks[0]) ? 0x1 : 0x2;
+	}
+	mtsdram(DDR0_10, DDR0_10_WRITE_MODEREG_ENCODE(0x0) |
+		DDR0_10_CS_MAP_ENCODE(csmap) |
+		DDR0_10_OCD_ADJUST_PUP_CS_0_ENCODE(0));
+}
+
+static void program_ddr0_11(unsigned long sdram_freq)
+{
+	unsigned long const t_xsnr_ps = 200000;	/* 200 ns */
+	unsigned long t_xsnr_clk;
+
+	debug("t_xsnr_ps = %d\n", t_xsnr_ps);
+	t_xsnr_clk =
+	    (MULDIV64(sdram_freq, t_xsnr_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_11, DDR0_11_SREFRESH_ENCODE(0) |
+		DDR0_11_TXSNR_ENCODE(t_xsnr_clk) | DDR0_11_TXSR_ENCODE(200));
+}
+
+static void program_ddr0_22(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks, unsigned long width)
+{
+#if defined(CONFIG_DDR_ECC)
+	unsigned long dimm_num;
+	unsigned long ecc_available = width >= 64;
+	u32 ddr0_22 = DDR0_22_DQS_OUT_SHIFT_BYPASS_ENCODE(0x26) |
+	    DDR0_22_DQS_OUT_SHIFT_ENCODE(DQS_OUT_SHIFT) |
+	    DDR0_22_DLL_DQS_BYPASS_8_ENCODE(DLL_DQS_BYPASS);
+
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			/* Check for ECC */
+			if (0 == (spd_read(iic0_dimm_addr[dimm_num], 11) &
+				  0x02)) {
+				ecc_available = FALSE;
+			}
+		}
+	}
+	if (ecc_available) {
+		debug("ECC found on all DIMMs present\n");
+		mtsdram(DDR0_22, ddr0_22 | DDR0_22_CTRL_RAW_ENCODE(0x3));
+	} else {
+		debug("ECC not found on some or all DIMMs present\n");
+		mtsdram(DDR0_22, ddr0_22 | DDR0_22_CTRL_RAW_ENCODE(0x0));
+	}
+#else
+	mtsdram(DDR0_22, DDR0_22_CTRL_RAW_ENCODE(0x0) |
+		DDR0_22_DQS_OUT_SHIFT_BYPASS_ENCODE(0x26) |
+		DDR0_22_DQS_OUT_SHIFT_ENCODE(DQS_OUT_SHIFT) |
+		DDR0_22_DLL_DQS_BYPASS_8_ENCODE(DLL_DQS_BYPASS));
+#endif /* defined(CONFIG_DDR_ECC) */
+}
+
+static void program_ddr0_24(unsigned long ranks)
+{
+	u32 ddr0_24 = DDR0_24_RTT_PAD_TERMINATION_ENCODE(0x1) |	/* 75 ohm */
+	    DDR0_24_ODT_RD_MAP_CS1_ENCODE(0x0);
+
+	if (2 == ranks) {
+		/* Both chip selects in use */
+		ddr0_24 |= DDR0_24_ODT_WR_MAP_CS1_ENCODE(0x1) |
+		    DDR0_24_ODT_WR_MAP_CS0_ENCODE(0x2);
+	} else {
+		/* One chip select in use */
+		/* One of the two fields added to ddr0_24 is a "don't care" */
+		ddr0_24 |= DDR0_24_ODT_WR_MAP_CS1_ENCODE(0x2) |
+		    DDR0_24_ODT_WR_MAP_CS0_ENCODE(0x1);
+	}
+	mtsdram(DDR0_24, ddr0_24);
+}
+
+static void program_ddr0_26(unsigned long sdram_freq)
+{
+	unsigned long const t_ref_ps = 7800000;	/* 7.8 us. refresh */
+	/* TODO: check definition of tRAS_MAX */
+	unsigned long const t_ras_max_ps = 9 * t_ref_ps;
+	unsigned long t_ras_max_clk;
+	unsigned long t_ref_clk;
+
+	/* Round down t_ras_max_clk and t_ref_clk */
+	debug("t_ras_max_ps = %d\n", t_ras_max_ps);
+	t_ras_max_clk = MULDIV64(sdram_freq, t_ras_max_ps, ONE_BILLION) / 1000;
+	debug("t_ref_ps     = %d\n", t_ref_ps);
+	t_ref_clk = MULDIV64(sdram_freq, t_ref_ps, ONE_BILLION) / 1000;
+	mtsdram(DDR0_26, DDR0_26_TRAS_MAX_ENCODE(t_ras_max_clk) |
+		DDR0_26_TREF_ENCODE(t_ref_clk));
+}
+
+static void program_ddr0_27(unsigned long sdram_freq)
+{
+	unsigned long const t_init_ps = 200000000;	/* 200 us. init */
+	unsigned long t_init_clk;
+
+	debug("t_init_ps = %d\n", t_init_ps);
+	t_init_clk =
+	    (MULDIV64(sdram_freq, t_init_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_27, DDR0_27_EMRS_DATA_ENCODE(0x0000) |
+		DDR0_27_TINIT_ENCODE(t_init_clk));
+}
+
+static void program_ddr0_43(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq,
+			    unsigned long cols, unsigned long banks)
+{
+	unsigned long dimm_num;
+	unsigned long t_wr_ps = 0;
+	unsigned long t_wr_clk;
+	u32 ddr0_43 = DDR0_43_APREBIT_ENCODE(10) |
+	    DDR0_43_COLUMN_SIZE_ENCODE(12 - cols) |
+	    DDR0_43_EIGHT_BANK_MODE_ENCODE(8 == banks ? 1 : 0);
+
+	/*------------------------------------------------------------------
+	 * Handle the timing.  We need to find the worst case timing of all
+	 * the dimm modules installed.
+	 *-----------------------------------------------------------------*/
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			unsigned long ps;
+
+			ps = 250 * spd_read(iic0_dimm_addr[dimm_num], 36);
+			t_wr_ps = max(t_wr_ps, ps);
+		}
+	}
+	debug("t_wr_ps = %d\n", t_wr_ps);
+	t_wr_clk = (MULDIV64(sdram_freq, t_wr_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_43, ddr0_43 | DDR0_43_TWR_ENCODE(t_wr_clk));
+}
+
+static void program_ddr0_44(unsigned long dimm_ranks[],
+			    unsigned char const iic0_dimm_addr[],
+			    unsigned long num_dimm_banks,
+			    unsigned long sdram_freq)
+{
+	unsigned long dimm_num;
+	unsigned long t_rcd_ps = 0;
+	unsigned long t_rcd_clk;
+
+	/*------------------------------------------------------------------
+	 * Handle the timing.  We need to find the worst case timing of all
+	 * the dimm modules installed.
+	 *-----------------------------------------------------------------*/
+	/* loop through all the DIMM slots on the board */
+	for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
+		/* If a dimm is installed in a particular slot ... */
+		if (dimm_ranks[dimm_num]) {
+			unsigned long ps;
+
+			ps = 250 * spd_read(iic0_dimm_addr[dimm_num], 29);
+			t_rcd_ps = max(t_rcd_ps, ps);
+		}
+	}
+	debug("t_rcd_ps = %d\n", t_rcd_ps);
+	t_rcd_clk = (MULDIV64(sdram_freq, t_rcd_ps, ONE_BILLION) + 999) / 1000;
+	mtsdram(DDR0_44, DDR0_44_TRCD_ENCODE(t_rcd_clk));
+}
+
+/*-----------------------------------------------------------------------------+
+ * initdram.  Initializes the 440EPx/GPx DDR SDRAM controller.
+ * Note: This routine runs from flash with a stack set up in the chip's
+ * sram space.  It is important that the routine does not require .sbss, .bss or
+ * .data sections.  It also cannot call routines that require these sections.
+ *-----------------------------------------------------------------------------*/
+/*-----------------------------------------------------------------------------
+ * Function:	 initdram
+ * Description:  Configures SDRAM memory banks for DDR operation.
+ *		 Auto Memory Configuration option reads the DDR SDRAM EEPROMs
+ *		 via the IIC bus and then configures the DDR SDRAM memory
+ *		 banks appropriately. If Auto Memory Configuration is
+ *		 not used, it is assumed that no DIMM is plugged
+ *-----------------------------------------------------------------------------*/
+long int initdram(int board_type)
+{
+	unsigned char const iic0_dimm_addr[] = SPD_EEPROM_ADDRESS;
+	unsigned long dimm_ranks[MAXDIMMS];
+	unsigned long ranks;
+	unsigned long rows;
+	unsigned long banks;
+	unsigned long cols;
+	unsigned long width;
+	unsigned long const sdram_freq = get_bus_freq(0);
+	unsigned long const num_dimm_banks = sizeof(iic0_dimm_addr);	/* on board dimm banks */
+	unsigned long cas_latency = 0;	/* to quiet initialization warning */
+	unsigned long dram_size;
+
+	debug("\nEntering initdram()\n");
+
+	/*------------------------------------------------------------------
+	 * Stop the DDR-SDRAM controller.
+	 *-----------------------------------------------------------------*/
+	mtsdram(DDR0_02, DDR0_02_START_ENCODE(0));
+
+	/*
+	 * Make sure I2C controller is initialized
+	 * before continuing.
+	 */
+	/* switch to correct I2C bus */
+	I2C_SET_BUS(CFG_SPD_BUS_NUM);
+	i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+
+	/*------------------------------------------------------------------
+	 * Clear out the serial presence detect buffers.
+	 * Perform IIC reads from the dimm.  Fill in the spds.
+	 * Check to see if the dimm slots are populated
+	 *-----------------------------------------------------------------*/
+	get_spd_info(dimm_ranks, &ranks, iic0_dimm_addr, num_dimm_banks);
+
+	/*------------------------------------------------------------------
+	 * Check the frequency supported for the dimms plugged.
+	 *-----------------------------------------------------------------*/
+	check_frequency(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq);
+
+	/*------------------------------------------------------------------
+	 * Check and get size information.
+	 *-----------------------------------------------------------------*/
+	get_dimm_size(dimm_ranks, iic0_dimm_addr, num_dimm_banks, &rows, &banks,
+		      &cols, &width);
+
+	/*------------------------------------------------------------------
+	 * Check the voltage type for the dimms plugged.
+	 *-----------------------------------------------------------------*/
+	check_voltage_type(dimm_ranks, iic0_dimm_addr, num_dimm_banks);
+
+	/*------------------------------------------------------------------
+	 * Program registers for SDRAM controller.
+	 *-----------------------------------------------------------------*/
+	mtsdram(DDR0_00, DDR0_00_DLL_INCREMENT_ENCODE(0x19) |
+		DDR0_00_DLL_START_POINT_DECODE(0x0A));
+
+	mtsdram(DDR0_01, DDR0_01_PLB0_DB_CS_LOWER_ENCODE(0x01) |
+		DDR0_01_PLB0_DB_CS_UPPER_ENCODE(0x00) |
+		DDR0_01_INT_MASK_ENCODE(0xFF));
+
+	program_ddr0_03(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq,
+			rows, &cas_latency);
+
+	program_ddr0_04(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq);
+
+	program_ddr0_05(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq);
+
+	program_ddr0_06(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq);
+
+	/*------------------------------------------------------------------
+	 * TODO: tFAW not found in SPD.  Value of 13 taken from Sequoia
+	 * board SDRAM, but may be overly concervate.
+	 *-----------------------------------------------------------------*/
+	mtsdram(DDR0_07, DDR0_07_NO_CMD_INIT_ENCODE(0) |
+		DDR0_07_TFAW_ENCODE(13) |
+		DDR0_07_AUTO_REFRESH_MODE_ENCODE(1) |
+		DDR0_07_AREFRESH_ENCODE(0));
+
+	mtsdram(DDR0_08, DDR0_08_WRLAT_ENCODE(cas_latency - 1) |
+		DDR0_08_TCPD_ENCODE(200) | DDR0_08_DQS_N_EN_ENCODE(0) |
+		DDR0_08_DDRII_ENCODE(1));
+
+	mtsdram(DDR0_09, DDR0_09_OCD_ADJUST_PDN_CS_0_ENCODE(0x00) |
+		DDR0_09_RTT_0_ENCODE(0x1) |
+		DDR0_09_WR_DQS_SHIFT_BYPASS_ENCODE(0x1D) |
+		DDR0_09_WR_DQS_SHIFT_ENCODE(DQS_OUT_SHIFT - 0x20));
+
+	program_ddr0_10(dimm_ranks, ranks);
+
+	program_ddr0_11(sdram_freq);
+
+	mtsdram(DDR0_12, DDR0_12_TCKE_ENCODE(3));
+
+	mtsdram(DDR0_14, DDR0_14_DLL_BYPASS_MODE_ENCODE(0) |
+		DDR0_14_REDUC_ENCODE(width <= 40 ? 1 : 0) |
+		DDR0_14_REG_DIMM_ENABLE_ENCODE(0));
+
+	mtsdram(DDR0_17, DDR0_17_DLL_DQS_DELAY_0_ENCODE(DLL_DQS_DELAY));
+
+	mtsdram(DDR0_18, DDR0_18_DLL_DQS_DELAY_4_ENCODE(DLL_DQS_DELAY) |
+		DDR0_18_DLL_DQS_DELAY_3_ENCODE(DLL_DQS_DELAY) |
+		DDR0_18_DLL_DQS_DELAY_2_ENCODE(DLL_DQS_DELAY) |
+		DDR0_18_DLL_DQS_DELAY_1_ENCODE(DLL_DQS_DELAY));
+
+	mtsdram(DDR0_19, DDR0_19_DLL_DQS_DELAY_8_ENCODE(DLL_DQS_DELAY) |
+		DDR0_19_DLL_DQS_DELAY_7_ENCODE(DLL_DQS_DELAY) |
+		DDR0_19_DLL_DQS_DELAY_6_ENCODE(DLL_DQS_DELAY) |
+		DDR0_19_DLL_DQS_DELAY_5_ENCODE(DLL_DQS_DELAY));
+
+	mtsdram(DDR0_20, DDR0_20_DLL_DQS_BYPASS_3_ENCODE(DLL_DQS_BYPASS) |
+		DDR0_20_DLL_DQS_BYPASS_2_ENCODE(DLL_DQS_BYPASS) |
+		DDR0_20_DLL_DQS_BYPASS_1_ENCODE(DLL_DQS_BYPASS) |
+		DDR0_20_DLL_DQS_BYPASS_0_ENCODE(DLL_DQS_BYPASS));
+
+	mtsdram(DDR0_21, DDR0_21_DLL_DQS_BYPASS_7_ENCODE(DLL_DQS_BYPASS) |
+		DDR0_21_DLL_DQS_BYPASS_6_ENCODE(DLL_DQS_BYPASS) |
+		DDR0_21_DLL_DQS_BYPASS_5_ENCODE(DLL_DQS_BYPASS) |
+		DDR0_21_DLL_DQS_BYPASS_4_ENCODE(DLL_DQS_BYPASS));
+
+	program_ddr0_22(dimm_ranks, iic0_dimm_addr, num_dimm_banks, width);
+
+	mtsdram(DDR0_23, DDR0_23_ODT_RD_MAP_CS0_ENCODE(0x0) |
+		DDR0_23_FWC_ENCODE(0));
+
+	program_ddr0_24(ranks);
+
+	program_ddr0_26(sdram_freq);
+
+	program_ddr0_27(sdram_freq);
+
+	mtsdram(DDR0_28, DDR0_28_EMRS3_DATA_ENCODE(0x0000) |
+		DDR0_28_EMRS2_DATA_ENCODE(0x0000));
+
+	mtsdram(DDR0_31, DDR0_31_XOR_CHECK_BITS_ENCODE(0x0000));
+
+	mtsdram(DDR0_42, DDR0_42_ADDR_PINS_DECODE(14 - rows) |
+		DDR0_42_CASLAT_LIN_GATE_ENCODE(2 * cas_latency));
+
+	program_ddr0_43(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq,
+			cols, banks);
+
+	program_ddr0_44(dimm_ranks, iic0_dimm_addr, num_dimm_banks, sdram_freq);
+
+	denali_sdram_register_dump();
+
+	dram_size = (width >= 64) ? 8 : 4;
+	dram_size *= 1 << cols;
+	dram_size *= banks;
+	dram_size *= 1 << rows;
+	dram_size *= ranks;
+	debug("dram_size = %lu\n", dram_size);
+
+	/* Start the SDRAM controler */
+	mtsdram(DDR0_02, DDR0_02_START_ENCODE(1));
+	denali_wait_for_dlllock();
+
+#if defined(CONFIG_DDR_DATA_EYE)
+	/* -----------------------------------------------------------+
+	 * Perform data eye search if requested.
+	 * ----------------------------------------------------------*/
+	program_tlb(0, CFG_SDRAM_BASE, dram_size, TLB_WORD2_I_ENABLE);
+	denali_core_search_data_eye();
+	denali_sdram_register_dump();
+	remove_tlb(CFG_SDRAM_BASE, dram_size);
+#endif
+
+#if defined(CONFIG_ZERO_SDRAM) || defined(CONFIG_DDR_ECC)
+	program_tlb(0, CFG_SDRAM_BASE, dram_size, 0);
+	sync();
+	eieio();
+	/* Zero the memory */
+	debug("Zeroing SDRAM...");
+	dcbz_area(CFG_SDRAM_BASE, dram_size);
+	dflush();
+	debug("Completed\n");
+	sync();
+	eieio();
+	remove_tlb(CFG_SDRAM_BASE, dram_size);
+
+#if defined(CONFIG_DDR_ECC)
+	/*
+	 * If ECC is enabled, clear and enable interrupts
+	 */
+	if (is_ecc_enabled()) {
+		u32 val;
+
+		sync();
+		eieio();
+		/* Clear error status */
+		mfsdram(DDR0_00, val);
+		mtsdram(DDR0_00, val | DDR0_00_INT_ACK_ALL);
+		/* Set 'int_mask' parameter to functionnal value */
+		mfsdram(DDR0_01, val);
+		mtsdram(DDR0_01, (val & ~DDR0_01_INT_MASK_MASK) |
+			DDR0_01_INT_MASK_ALL_OFF);
+#if defined(CONFIG_DDR_DATA_EYE)
+		/*
+		 * Running denali_core_search_data_eye() when ECC is enabled
+		 * causes non-ECC machine checks.  This clears them.
+		 */
+		print_mcsr();
+		mtspr(SPRN_MCSR, mfspr(SPRN_MCSR));
+		print_mcsr();
+#endif
+		sync();
+		eieio();
+	}
+#endif /* defined(CONFIG_DDR_ECC) */
+#endif /* defined(CONFIG_ZERO_SDRAM) || defined(CONFIG_DDR_ECC) */
+
+	program_tlb(0, CFG_SDRAM_BASE, dram_size, MY_TLB_WORD2_I_ENABLE);
+	return dram_size;
+}
+
+void board_add_ram_info(int use_default)
+{
+	u32 val;
+
+	printf(" (ECC");
+	if (!is_ecc_enabled()) {
+		printf(" not");
+	}
+	printf(" enabled, %d MHz", (2 * get_bus_freq(0)) / 1000000);
+
+	mfsdram(DDR0_03, val);
+	printf(", CL%d)", DDR0_03_CASLAT_LIN_DECODE(val) >> 1);
+}
+#endif /* CONFIG_SPD_EEPROM */
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
new file mode 100644
index 0000000..afcb974
--- /dev/null
+++ b/cpu/ppc4xx/fdt.c
@@ -0,0 +1,64 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <asm/cache.h>
+#include <ppc4xx.h>
+
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <libfdt_env.h>
+#include <fdt_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+	sys_info_t sys_info;
+
+	get_sys_info(&sys_info);
+
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency",
+			     bd->bi_intfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency",
+			     bd->bi_intfreq, 1);
+	do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
+	do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
+	do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
+			     sys_info.freqEBC, 1);
+	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+	/*
+	 * Setup all baudrates for the UARTs
+	 */
+	do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
+
+	/*
+	 * Fixup all ethernet nodes
+	 * Note: aliases in the dts are required for this
+	 */
+	fdt_fixup_ethernet(blob, bd);
+}
+#endif /* CONFIG_OF_LIBFDT */
diff --git a/cpu/ppc4xx/gpio.c b/cpu/ppc4xx/gpio.c
index 50f2fdf..7b09a2f 100644
--- a/cpu/ppc4xx/gpio.c
+++ b/cpu/ppc4xx/gpio.c
@@ -26,8 +26,8 @@
 #include <asm/io.h>
 #include <asm/gpio.h>
 
-#if defined(CFG_440_GPIO_TABLE)
-gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE;
+#if defined(CFG_4xx_GPIO_TABLE)
+gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_4xx_GPIO_TABLE;
 #endif
 
 #if defined(GPIO0_OSRL)
@@ -47,7 +47,7 @@ void gpio_config(int pin, int in_out, int gpio_alt, int out_val)
 	}
 
 	if (pin >= GPIO_MAX/2) {
-		offs2 = 0x100;
+		offs2 = 0x4;
 		pin2 = (pin - GPIO_MAX/2) << 1;
 	}
 
@@ -55,10 +55,10 @@ void gpio_config(int pin, int in_out, int gpio_alt, int out_val)
 	mask2 = 0xc0000000 >> (pin2 << 1);
 
 	/* first set TCR to 0 */
-	out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) & ~mask);
+	out_be32((void *)GPIO0_TCR + offs, in_be32((void *)GPIO0_TCR + offs) & ~mask);
 
 	if (in_out == GPIO_OUT) {
-		val = in32(GPIO0_OSRL + offs + offs2) & ~mask2;
+		val = in_be32((void *)GPIO0_OSRL + offs + offs2) & ~mask2;
 		switch (gpio_alt) {
 		case GPIO_ALT1:
 			val |= GPIO_ALT1_SEL >> pin2;
@@ -70,20 +70,23 @@ void gpio_config(int pin, int in_out, int gpio_alt, int out_val)
 			val |= GPIO_ALT3_SEL >> pin2;
 			break;
 		}
-		out32(GPIO0_OSRL + offs + offs2, val);
+		out_be32((void *)GPIO0_OSRL + offs + offs2, val);
 
 		/* setup requested output value */
 		if (out_val == GPIO_OUT_0)
-			out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~mask);
+			out_be32((void *)GPIO0_OR + offs,
+				 in_be32((void *)GPIO0_OR + offs) & ~mask);
 		else if (out_val == GPIO_OUT_1)
-			out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | mask);
+			out_be32((void *)GPIO0_OR + offs,
+				 in_be32((void *)GPIO0_OR + offs) | mask);
 
 		/* now configure TCR to drive output if selected */
-		out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) | mask);
+		out_be32((void *)GPIO0_TCR + offs,
+			 in_be32((void *)GPIO0_TCR + offs) | mask);
 	} else {
-		val = in32(GPIO0_ISR1L + offs + offs2) & ~mask2;
+		val = in_be32((void *)GPIO0_ISR1L + offs + offs2) & ~mask2;
 		val |= GPIO_IN_SEL >> pin2;
-		out32(GPIO0_ISR1L + offs + offs2, val);
+		out_be32((void *)GPIO0_ISR1L + offs + offs2, val);
 	}
 }
 #endif /* GPIO_OSRL */
@@ -98,9 +101,11 @@ void gpio_write_bit(int pin, int val)
 	}
 
 	if (val)
-		out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | GPIO_VAL(pin));
+		out_be32((void *)GPIO0_OR + offs,
+			 in_be32((void *)GPIO0_OR + offs) | GPIO_VAL(pin));
 	else
-		out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~GPIO_VAL(pin));
+		out_be32((void *)GPIO0_OR + offs,
+			 in_be32((void *)GPIO0_OR + offs) & ~GPIO_VAL(pin));
 }
 
 int gpio_read_out_bit(int pin)
@@ -112,10 +117,10 @@ int gpio_read_out_bit(int pin)
 		pin -= GPIO_MAX;
 	}
 
-	return (in32(GPIO0_OR + offs) & GPIO_VAL(pin) ? 1 : 0);
+	return (in_be32((void *)GPIO0_OR + offs) & GPIO_VAL(pin) ? 1 : 0);
 }
 
-#if defined(CFG_440_GPIO_TABLE)
+#if defined(CFG_4xx_GPIO_TABLE)
 void gpio_set_chip_configuration(void)
 {
 	unsigned char i=0, j=0, offs=0, gpio_core;
@@ -141,24 +146,24 @@ void gpio_set_chip_configuration(void)
 					break;
 
 				case GPIO_ALT1:
-					reg = in32(GPIO_IS1(core_add+offs))
+					reg = in_be32((void *)GPIO_IS1(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_IN_SEL >> (j*2));
-					out32(GPIO_IS1(core_add+offs), reg);
+					out_be32((void *)GPIO_IS1(core_add+offs), reg);
 					break;
 
 				case GPIO_ALT2:
-					reg = in32(GPIO_IS2(core_add+offs))
+					reg = in_be32((void *)GPIO_IS2(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_IN_SEL >> (j*2));
-					out32(GPIO_IS2(core_add+offs), reg);
+					out_be32((void *)GPIO_IS2(core_add+offs), reg);
 					break;
 
 				case GPIO_ALT3:
-					reg = in32(GPIO_IS3(core_add+offs))
+					reg = in_be32((void *)GPIO_IS3(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_IN_SEL >> (j*2));
-					out32(GPIO_IS3(core_add+offs), reg);
+					out_be32((void *)GPIO_IS3(core_add+offs), reg);
 					break;
 				}
 			}
@@ -168,87 +173,66 @@ void gpio_set_chip_configuration(void)
 
 				switch (gpio_tab[gpio_core][i].alt_nb) {
 				case GPIO_SEL:
-					if (gpio_core == GPIO0) {
-						/*
-						 * Setup output value
-						 * 1 -> high level
-						 * 0 -> low level
-						 * else -> don't touch
-						 */
-						reg = in32(GPIO0_OR);
-						if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1)
-							reg |= (0x80000000 >> (i));
-						else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0)
-							reg &= ~(0x80000000 >> (i));
-						out32(GPIO0_OR, reg);
-
-						reg = in32(GPIO0_TCR) | (0x80000000 >> (i));
-						out32(GPIO0_TCR, reg);
-					}
-
-#ifdef GPIO1
-					if (gpio_core == GPIO1) {
-						/*
-						 * Setup output value
-						 * 1 -> high level
-						 * 0 -> low level
-						 * else -> don't touch
-						 */
-						reg = in32(GPIO1_OR);
-						if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1)
-							reg |= (0x80000000 >> (i));
-						else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0)
-							reg &= ~(0x80000000 >> (i));
-						out32(GPIO1_OR, reg);
-
-						reg = in32(GPIO1_TCR) | (0x80000000 >> (i));
-						out32(GPIO1_TCR, reg);
-					}
-#endif /* GPIO1 */
-
-					reg = in32(GPIO_OS(core_add+offs))
+					/*
+					 * Setup output value
+					 * 1 -> high level
+					 * 0 -> low level
+					 * else -> don't touch
+					 */
+					reg = in_be32((void *)GPIO_OR(core_add));
+					if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1)
+						reg |= (0x80000000 >> (i));
+					else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0)
+						reg &= ~(0x80000000 >> (i));
+					out_be32((void *)GPIO_OR(core_add), reg);
+
+					reg = in_be32((void *)GPIO_TCR(core_add)) |
+						(0x80000000 >> (i));
+					out_be32((void *)GPIO_TCR(core_add), reg);
+
+					reg = in_be32((void *)GPIO_OS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
-					out32(GPIO_OS(core_add+offs), reg);
-					reg = in32(GPIO_TS(core_add+offs))
+					out_be32((void *)GPIO_OS(core_add+offs), reg);
+					reg = in_be32((void *)GPIO_TS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
-					out32(GPIO_TS(core_add+offs), reg);
+					out_be32((void *)GPIO_TS(core_add+offs), reg);
 					break;
 
 				case GPIO_ALT1:
-					reg = in32(GPIO_OS(core_add+offs))
+					reg = in_be32((void *)GPIO_OS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_ALT1_SEL >> (j*2));
-					out32(GPIO_OS(core_add+offs), reg);
-					reg = in32(GPIO_TS(core_add+offs))
+					out_be32((void *)GPIO_OS(core_add+offs), reg);
+					reg = in_be32((void *)GPIO_TS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_ALT1_SEL >> (j*2));
-					out32(GPIO_TS(core_add+offs), reg);
+					out_be32((void *)GPIO_TS(core_add+offs), reg);
 					break;
 
 				case GPIO_ALT2:
-					reg = in32(GPIO_OS(core_add+offs))
+					reg = in_be32((void *)GPIO_OS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_ALT2_SEL >> (j*2));
-					out32(GPIO_OS(core_add+offs), reg);
-					reg = in32(GPIO_TS(core_add+offs))
+					out_be32((void *)GPIO_OS(core_add+offs), reg);
+					reg = in_be32((void *)GPIO_TS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_ALT2_SEL >> (j*2));
-					out32(GPIO_TS(core_add+offs), reg);
+					out_be32((void *)GPIO_TS(core_add+offs), reg);
 					break;
 
 				case GPIO_ALT3:
-					reg = in32(GPIO_OS(core_add+offs))
+					reg = in_be32((void *)GPIO_OS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_ALT3_SEL >> (j*2));
-					out32(GPIO_OS(core_add+offs), reg);
-					reg = in32(GPIO_TS(core_add+offs))
+					out_be32((void *)GPIO_OS(core_add+offs), reg);
+					reg = in_be32((void *)GPIO_TS(core_add+offs))
 						& ~(GPIO_MASK >> (j*2));
 					reg = reg | (GPIO_ALT3_SEL >> (j*2));
-					out32(GPIO_TS(core_add+offs), reg);
+					out_be32((void *)GPIO_TS(core_add+offs), reg);
 					break;
 				}
 			}
 		}
 	}
 }
-#endif /* CFG_440_GPIO_TABLE */
+#endif /* CFG_4xx_GPIO_TABLE */
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/iop480_uart.c b/cpu/ppc4xx/iop480_uart.c
new file mode 100644
index 0000000..8dd2267
--- /dev/null
+++ b/cpu/ppc4xx/iop480_uart.c
@@ -0,0 +1,238 @@
+/*
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <commproc.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <watchdog.h>
+#include "vecnum.h"
+
+#ifdef CONFIG_SERIAL_MULTI
+#include <serial.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_IOP480
+
+#define SPU_BASE         0x40000000
+
+#define spu_LineStat_rc  0x00	/* Line Status Register (Read/Clear) */
+#define spu_LineStat_w   0x04	/* Line Status Register (Set) */
+#define spu_Handshk_rc   0x08	/* Handshake Status Register (Read/Clear) */
+#define spu_Handshk_w    0x0c	/* Handshake Status Register (Set) */
+#define spu_BRateDivh    0x10	/* Baud rate divisor high */
+#define spu_BRateDivl    0x14	/* Baud rate divisor low */
+#define spu_CtlReg       0x18	/* Control Register */
+#define spu_RxCmd        0x1c	/* Rx Command Register */
+#define spu_TxCmd        0x20	/* Tx Command Register */
+#define spu_RxBuff       0x24	/* Rx data buffer */
+#define spu_TxBuff       0x24	/* Tx data buffer */
+
+/*-----------------------------------------------------------------------------+
+  | Line Status Register.
+  +-----------------------------------------------------------------------------*/
+#define asyncLSRport1           0x40000000
+#define asyncLSRport1set        0x40000004
+#define asyncLSRDataReady             0x80
+#define asyncLSRFramingError          0x40
+#define asyncLSROverrunError          0x20
+#define asyncLSRParityError           0x10
+#define asyncLSRBreakInterrupt        0x08
+#define asyncLSRTxHoldEmpty           0x04
+#define asyncLSRTxShiftEmpty          0x02
+
+/*-----------------------------------------------------------------------------+
+  | Handshake Status Register.
+  +-----------------------------------------------------------------------------*/
+#define asyncHSRport1           0x40000008
+#define asyncHSRport1set        0x4000000c
+#define asyncHSRDsr                   0x80
+#define asyncLSRCts                   0x40
+
+/*-----------------------------------------------------------------------------+
+  | Control Register.
+  +-----------------------------------------------------------------------------*/
+#define asyncCRport1            0x40000018
+#define asyncCRNormal                 0x00
+#define asyncCRLoopback               0x40
+#define asyncCRAutoEcho               0x80
+#define asyncCRDtr                    0x20
+#define asyncCRRts                    0x10
+#define asyncCRWordLength7            0x00
+#define asyncCRWordLength8            0x08
+#define asyncCRParityDisable          0x00
+#define asyncCRParityEnable           0x04
+#define asyncCREvenParity             0x00
+#define asyncCROddParity              0x02
+#define asyncCRStopBitsOne            0x00
+#define asyncCRStopBitsTwo            0x01
+#define asyncCRDisableDtrRts          0x00
+
+/*-----------------------------------------------------------------------------+
+  | Receiver Command Register.
+  +-----------------------------------------------------------------------------*/
+#define asyncRCRport1           0x4000001c
+#define asyncRCRDisable               0x00
+#define asyncRCREnable                0x80
+#define asyncRCRIntDisable            0x00
+#define asyncRCRIntEnabled            0x20
+#define asyncRCRDMACh2                0x40
+#define asyncRCRDMACh3                0x60
+#define asyncRCRErrorInt              0x10
+#define asyncRCRPauseEnable           0x08
+
+/*-----------------------------------------------------------------------------+
+  | Transmitter Command Register.
+  +-----------------------------------------------------------------------------*/
+#define asyncTCRport1           0x40000020
+#define asyncTCRDisable               0x00
+#define asyncTCREnable                0x80
+#define asyncTCRIntDisable            0x00
+#define asyncTCRIntEnabled            0x20
+#define asyncTCRDMACh2                0x40
+#define asyncTCRDMACh3                0x60
+#define asyncTCRTxEmpty               0x10
+#define asyncTCRErrorInt              0x08
+#define asyncTCRStopPause             0x04
+#define asyncTCRBreakGen              0x02
+
+/*-----------------------------------------------------------------------------+
+  | Miscellanies defines.
+  +-----------------------------------------------------------------------------*/
+#define asyncTxBufferport1      0x40000024
+#define asyncRxBufferport1      0x40000024
+#define asyncDLABLsbport1       0x40000014
+#define asyncDLABMsbport1       0x40000010
+#define asyncXOFFchar                 0x13
+#define asyncXONchar                  0x11
+
+/*
+ * Minimal serial functions needed to use one of the SMC ports
+ * as serial console interface.
+ */
+
+int serial_init (void)
+{
+	volatile char val;
+	unsigned short br_reg;
+
+	br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
+
+	/*
+	 * Init onboard UART
+	 */
+	out_8((u8 *)SPU_BASE + spu_LineStat_rc, 0x78); /* Clear all bits in Line Status Reg */
+	out_8((u8 *)SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */
+	out_8((u8 *)SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */
+	out_8((u8 *)SPU_BASE + spu_CtlReg, 0x08);	/* Set 8 bits, no parity and 1 stop bit */
+	out_8((u8 *)SPU_BASE + spu_RxCmd, 0xb0);	/* Enable Rx */
+	out_8((u8 *)SPU_BASE + spu_TxCmd, 0x9c);	/* Enable Tx */
+	out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff);	/* Clear Handshake */
+	val = in_8((u8 *)SPU_BASE + spu_RxBuff);	/* Dummy read, to clear receiver */
+
+	return (0);
+}
+
+void serial_setbrg (void)
+{
+	unsigned short br_reg;
+
+	br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
+
+	out_8((u8 *)SPU_BASE + spu_BRateDivl,
+	      (br_reg & 0x00ff)); /* Set baud rate divisor... */
+	out_8((u8 *)SPU_BASE + spu_BRateDivh,
+	      ((br_reg & 0xff00) >> 8)); /* ... */
+}
+
+void serial_putc (const char c)
+{
+	if (c == '\n')
+		serial_putc ('\r');
+
+	/* load status from handshake register */
+	if (in_8((u8 *)SPU_BASE + spu_Handshk_rc) != 00)
+		out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff);	/* Clear Handshake */
+
+	out_8((u8 *)SPU_BASE + spu_TxBuff, c);	/* Put char */
+
+	while ((in_8((u8 *)SPU_BASE + spu_LineStat_rc) & 04) != 04) {
+		if (in_8((u8 *)SPU_BASE + spu_Handshk_rc) != 00)
+			out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff);	/* Clear Handshake */
+	}
+}
+
+void serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
+
+int serial_getc ()
+{
+	unsigned char status = 0;
+
+	while (1) {
+		status = in_8((u8 *)asyncLSRport1);
+		if ((status & asyncLSRDataReady) != 0x0) {
+			break;
+		}
+		if ((status & ( asyncLSRFramingError |
+				asyncLSROverrunError |
+				asyncLSRParityError  |
+				asyncLSRBreakInterrupt )) != 0) {
+			(void) out_8((u8 *)asyncLSRport1,
+				     asyncLSRFramingError |
+				     asyncLSROverrunError |
+				     asyncLSRParityError  |
+				     asyncLSRBreakInterrupt );
+		}
+	}
+	return (0x000000ff & (int) in_8((u8 *)asyncRxBufferport1));
+}
+
+int serial_tstc ()
+{
+	unsigned char status;
+
+	status = in_8((u8 *)asyncLSRport1);
+	if ((status & asyncLSRDataReady) != 0x0) {
+		return (1);
+	}
+	if ((status & ( asyncLSRFramingError |
+			asyncLSROverrunError |
+			asyncLSRParityError  |
+			asyncLSRBreakInterrupt )) != 0) {
+		(void) out_8((u8 *)asyncLSRport1,
+			     asyncLSRFramingError |
+			     asyncLSROverrunError |
+			     asyncLSRParityError  |
+			     asyncLSRBreakInterrupt);
+	}
+	return 0;
+}
+
+#endif	/* CONFIG_IOP480 */
diff --git a/cpu/ppc4xx/kgdb.S b/cpu/ppc4xx/kgdb.S
index 8c4bbf2..42b9546 100644
--- a/cpu/ppc4xx/kgdb.S
+++ b/cpu/ppc4xx/kgdb.S
@@ -56,21 +56,21 @@ kgdb_flush_cache_all:
 
 	.globl	kgdb_flush_cache_range
 kgdb_flush_cache_range:
-	li	r5,CFG_CACHELINE_SIZE-1
+	li	r5,L1_CACHE_BYTES-1
 	andc	r3,r3,r5
 	subf	r4,r3,r4
 	add	r4,r4,r5
-	srwi.	r4,r4,CFG_CACHELINE_SHIFT
+	srwi.	r4,r4,L1_CACHE_SHIFT
 	beqlr
 	mtctr	r4
 	mr	r6,r3
 1:	dcbst	0,r3
-	addi	r3,r3,CFG_CACHELINE_SIZE
+	addi	r3,r3,L1_CACHE_BYTES
 	bdnz	1b
 	sync			/* wait for dcbst's to get to ram */
 	mtctr	r4
 2:	icbi	0,r6
-	addi	r6,r6,CFG_CACHELINE_SIZE
+	addi	r6,r6,L1_CACHE_BYTES
 	bdnz	2b
 	SYNC
 	blr
diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c
index 6b98025..4216f0b 100644
--- a/cpu/ppc4xx/miiphy.c
+++ b/cpu/ppc4xx/miiphy.c
@@ -27,23 +27,11 @@
   |
   |  Author:	 Mark Wisner
   |
-  |  Change Activity-
-  |
-  |  Date	 Description of Change					     BY
-  |  ---------	 ---------------------					     ---
-  |  05-May-99	 Created						     MKW
-  |  01-Jul-99	 Changed clock setting of sta_reg from 66Mhz to 50Mhz to
-  |		 better match OPB speed. Also modified delay times.	     JWB
-  |  29-Jul-99	 Added Full duplex support				     MKW
-  |  24-Aug-99	 Removed printf from dp83843_duplex()			     JWB
-  |  19-Jul-00	 Ported to esd cpci405					     sr
-  |  23-Dec-03	 Ported from miiphy.c to 440GX Travis Sawyer		     TBS
-  |		 <travis.sawyer@sandburst.com>
-  |
   +-----------------------------------------------------------------------------*/
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <ppc_asm.tmpl>
 #include <commproc.h>
 #include <ppc4xx_enet.h>
@@ -60,7 +48,6 @@ void miiphy_dump (char *devname, unsigned char addr)
 	unsigned long i;
 	unsigned short data;
 
-
 	for (i = 0; i < 0x1A; i++) {
 		if (miiphy_read (devname, addr, i, &data)) {
 			printf ("read error for reg %lx\n", i);
@@ -75,15 +62,86 @@ void miiphy_dump (char *devname, unsigned char addr)
 	}			/* end for loop */
 }				/* end dump */
 
-
 /***********************************************************/
 /* (Re)start autonegotiation				   */
 /***********************************************************/
 int phy_setup_aneg (char *devname, unsigned char addr)
 {
-	unsigned short ctl, adv;
+	u16 bmcr;
+
+#if defined(CONFIG_PHY_DYNAMIC_ANEG)
+	/*
+	 * Set up advertisement based on capablilities reported by the PHY.
+	 * This should work for both copper and fiber.
+	 */
+	u16 bmsr;
+#if defined(CONFIG_PHY_GIGE)
+	u16 exsr = 0x0000;
+#endif
+
+	miiphy_read (devname, addr, PHY_BMSR, &bmsr);
+
+#if defined(CONFIG_PHY_GIGE)
+	if (bmsr & PHY_BMSR_EXT_STAT)
+		miiphy_read (devname, addr, PHY_EXSR, &exsr);
+
+	if (exsr & (PHY_EXSR_1000XF | PHY_EXSR_1000XH)) {
+		/* 1000BASE-X */
+		u16 anar = 0x0000;
+
+		if (exsr & PHY_EXSR_1000XF)
+			anar |= PHY_X_ANLPAR_FD;
+
+		if (exsr & PHY_EXSR_1000XH)
+			anar |= PHY_X_ANLPAR_HD;
+
+		miiphy_write (devname, addr, PHY_ANAR, anar);
+	} else
+#endif
+	{
+		u16 anar, btcr;
+
+		miiphy_read (devname, addr, PHY_ANAR, &anar);
+		anar &= ~(0x5000 | PHY_ANLPAR_T4 | PHY_ANLPAR_TXFD |
+			  PHY_ANLPAR_TX | PHY_ANLPAR_10FD | PHY_ANLPAR_10);
+
+		miiphy_read (devname, addr, PHY_1000BTCR, &btcr);
+		btcr &= ~(0x00FF | PHY_1000BTCR_1000FD | PHY_1000BTCR_1000HD);
+
+		if (bmsr & PHY_BMSR_100T4)
+			anar |= PHY_ANLPAR_T4;
+
+		if (bmsr & PHY_BMSR_100TXF)
+			anar |= PHY_ANLPAR_TXFD;
+
+		if (bmsr & PHY_BMSR_100TXH)
+			anar |= PHY_ANLPAR_TX;
+
+		if (bmsr & PHY_BMSR_10TF)
+			anar |= PHY_ANLPAR_10FD;
+
+		if (bmsr & PHY_BMSR_10TH)
+			anar |= PHY_ANLPAR_10;
+
+		miiphy_write (devname, addr, PHY_ANAR, anar);
+
+#if defined(CONFIG_PHY_GIGE)
+		if (exsr & PHY_EXSR_1000TF)
+			btcr |= PHY_1000BTCR_1000FD;
+
+		if (exsr & PHY_EXSR_1000TH)
+			btcr |= PHY_1000BTCR_1000HD;
+
+		miiphy_write (devname, addr, PHY_1000BTCR, btcr);
+#endif
+	}
+
+#else /* defined(CONFIG_PHY_DYNAMIC_ANEG) */
+	/*
+	 * Set up standard advertisement
+	 */
+	u16 adv;
 
-	/* Setup standard advertise */
 	miiphy_read (devname, addr, PHY_ANAR, &adv);
 	adv |= (PHY_ANLPAR_ACK | PHY_ANLPAR_RF | PHY_ANLPAR_T4 |
 		PHY_ANLPAR_TXFD | PHY_ANLPAR_TX | PHY_ANLPAR_10FD |
@@ -94,15 +152,16 @@ int phy_setup_aneg (char *devname, unsigned char addr)
 	adv |= (0x0300);
 	miiphy_write (devname, addr, PHY_1000BTCR, adv);
 
+#endif /* defined(CONFIG_PHY_DYNAMIC_ANEG) */
+
 	/* Start/Restart aneg */
-	miiphy_read (devname, addr, PHY_BMCR, &ctl);
-	ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
-	miiphy_write (devname, addr, PHY_BMCR, ctl);
+	miiphy_read (devname, addr, PHY_BMCR, &bmcr);
+	bmcr |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
+	miiphy_write (devname, addr, PHY_BMCR, bmcr);
 
 	return 0;
 }
 
-
 /***********************************************************/
 /* read a phy reg and return the value with a rc	   */
 /***********************************************************/
@@ -113,57 +172,70 @@ unsigned int miiphy_getemac_offset (void)
 	unsigned long eoffset;
 
 	/* Need to find out which mdi port we're using */
-	zmii = in32 (ZMII_FER);
+	zmii = in_be32((void *)ZMII_FER);
 
-	if (zmii & (ZMII_FER_MDI << ZMII_FER_V (0))) {
+	if (zmii & (ZMII_FER_MDI << ZMII_FER_V (0)))
 		/* using port 0 */
 		eoffset = 0;
-	} else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (1))) {
+
+	else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (1)))
 		/* using port 1 */
 		eoffset = 0x100;
-	} else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (2))) {
+
+	else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (2)))
 		/* using port 2 */
 		eoffset = 0x400;
-	} else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (3))) {
+
+	else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (3)))
 		/* using port 3 */
 		eoffset = 0x600;
-	} else {
+
+	else {
 		/* None of the mdi ports are enabled! */
 		/* enable port 0 */
 		zmii |= ZMII_FER_MDI << ZMII_FER_V (0);
-		out32 (ZMII_FER, zmii);
+		out_be32((void *)ZMII_FER, zmii);
 		eoffset = 0;
 		/* need to soft reset port 0 */
-		zmii = in32 (EMAC_M0);
+		zmii = in_be32((void *)EMAC_M0);
 		zmii |= EMAC_M0_SRST;
-		out32 (EMAC_M0, zmii);
+		out_be32((void *)EMAC_M0, zmii);
 	}
 
 	return (eoffset);
 #else
+
+#if defined(CONFIG_NET_MULTI) && defined(CONFIG_405EX)
+	unsigned long rgmii;
+	int devnum = 1;
+
+	rgmii = in_be32((void *)RGMII_FER);
+	if (rgmii & (1 << (19 - devnum)))
+		return 0x100;
+#endif
+
 	return 0;
 #endif
 }
 
-
-int emac4xx_miiphy_read (char *devname, unsigned char addr,
-		unsigned char reg, unsigned short *value)
+int emac4xx_miiphy_read (char *devname, unsigned char addr, unsigned char reg,
+			 unsigned short *value)
 {
 	unsigned long sta_reg;	/* STA scratch area */
 	unsigned long i;
 	unsigned long emac_reg;
 
-
 	emac_reg = miiphy_getemac_offset ();
 	/* see if it is ready for 1000 nsec */
 	i = 0;
 
 	/* see if it is ready for  sec */
-	while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
+	while ((in_be32((void *)EMAC_STACR + emac_reg) & EMAC_STACR_OC) ==
+	       EMAC_STACR_OC_MASK) {
 		udelay (7);
 		if (i > 5) {
 #ifdef ET_DEBUG
-			sta_reg = in32 (EMAC_STACR + emac_reg);
+			sta_reg = in_be32((void *)EMAC_STACR + emac_reg);
 			printf ("read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 			printf ("read err 1\n");
 #endif
@@ -174,11 +246,12 @@ 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)
-#if defined(CONFIG_IBM_EMAC4_V4)      /* EMAC4 V4 changed bit setting */
-		sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_READ;
+    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
-		sta_reg |= EMAC_STACR_READ;
+	sta_reg |= EMAC_STACR_READ;
 #endif
 #else
 	sta_reg = (sta_reg | EMAC_STACR_READ) & ~EMAC_STACR_CLK_100MHZ;
@@ -186,49 +259,47 @@ 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 */
 	sta_reg = sta_reg | EMAC_STACR_OC_MASK;	/* new IBM emac v4 */
-	out32 (EMAC_STACR + emac_reg, sta_reg);
+	out_be32((void *)EMAC_STACR + emac_reg, sta_reg);
 #ifdef ET_DEBUG
 	printf ("a2: write: EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 #endif
 
-	sta_reg = in32 (EMAC_STACR + emac_reg);
+	sta_reg = in_be32((void *)EMAC_STACR + emac_reg);
 #ifdef ET_DEBUG
-		printf ("a21: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
+	printf ("a21: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 #endif
 	i = 0;
 	while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
 		udelay (7);
-		if (i > 5) {
+		if (i > 5)
 			return -1;
-		}
+
 		i++;
-		sta_reg = in32 (EMAC_STACR + emac_reg);
+		sta_reg = in_be32((void *)EMAC_STACR + emac_reg);
 #ifdef ET_DEBUG
 		printf ("a22: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 #endif
 	}
-	if ((sta_reg & EMAC_STACR_PHYE) != 0) {
+	if ((sta_reg & EMAC_STACR_PHYE) != 0)
 		return -1;
-	}
 
-	*value = *(short *) (&sta_reg);
+	*value = *(short *)(&sta_reg);
 	return 0;
 
-
 }				/* phy_read */
 
-
 /***********************************************************/
 /* write a phy reg and return the value with a rc	    */
 /***********************************************************/
 
-int emac4xx_miiphy_write (char *devname, unsigned char addr,
-		unsigned char reg, unsigned short value)
+int emac4xx_miiphy_write (char *devname, unsigned char addr, unsigned char reg,
+			  unsigned short value)
 {
 	unsigned long sta_reg;	/* STA scratch area */
 	unsigned long i;
@@ -238,9 +309,11 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 	/* see if it is ready for 1000 nsec */
 	i = 0;
 
-	while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
+	while ((in_be32((void *)EMAC_STACR + emac_reg) & EMAC_STACR_OC) ==
+	       EMAC_STACR_OC_MASK) {
 		if (i > 5)
 			return -1;
+
 		udelay (7);
 		i++;
 	}
@@ -248,11 +321,12 @@ 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)
-#if defined(CONFIG_IBM_EMAC4_V4)      /* EMAC4 V4 changed bit setting */
-		sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_WRITE;
+    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
-		sta_reg |= EMAC_STACR_WRITE;
+	sta_reg |= EMAC_STACR_WRITE;
 #endif
 #else
 	sta_reg = (sta_reg | EMAC_STACR_WRITE) & ~EMAC_STACR_CLK_100MHZ;
@@ -260,27 +334,29 @@ 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 */
-	sta_reg = sta_reg | EMAC_STACR_OC_MASK;		/* new IBM emac v4 */
+	sta_reg = sta_reg | ((unsigned long)addr << 5);	/* Phy address */
+	sta_reg = sta_reg | EMAC_STACR_OC_MASK;	/* new IBM emac v4 */
 	memcpy (&sta_reg, &value, 2);	/* put in data */
 
-	out32 (EMAC_STACR + emac_reg, sta_reg);
+	out_be32((void *)EMAC_STACR + emac_reg, sta_reg);
 
 	/* wait for completion */
 	i = 0;
-	sta_reg = in32 (EMAC_STACR + emac_reg);
+	sta_reg = in_be32((void *)EMAC_STACR + emac_reg);
 #ifdef ET_DEBUG
-		printf ("a31: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
+	printf ("a31: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 #endif
 	while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) {
 		udelay (7);
 		if (i > 5)
 			return -1;
+
 		i++;
-		sta_reg = in32 (EMAC_STACR + emac_reg);
+		sta_reg = in_be32((void *)EMAC_STACR + emac_reg);
 #ifdef ET_DEBUG
 		printf ("a32: read : EMAC_STACR=0x%0x\n", sta_reg);	/* test-only */
 #endif
@@ -288,6 +364,7 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr,
 
 	if ((sta_reg & EMAC_STACR_PHYE) != 0)
 		return -1;
+
 	return 0;
 
-}				/* phy_write */
+} /* phy_write */
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/speed.c b/cpu/ppc4xx/speed.c
index da5330a..9006614 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
@@ -37,7 +37,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #if defined(CONFIG_405GP) || defined(CONFIG_405CR)
 
-void get_sys_info (PPC405_SYS_INFO * sysInfo)
+void get_sys_info (PPC4xx_SYS_INFO * sysInfo)
 {
 	unsigned long pllmr;
 	unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ / 1000);
@@ -162,6 +162,8 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
 			sysInfo->freqProcessor = sysInfo->freqPLB * sysInfo->pllPlbDiv;
 		}
 	}
+
+	sysInfo->freqUART = sysInfo->freqProcessor;
 }
 
 
@@ -173,7 +175,7 @@ ulong get_OPB_freq (void)
 {
 	ulong val = 0;
 
-	PPC405_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	get_sys_info (&sys_info);
 	val = sys_info.freqPLB / sys_info.pllOpbDiv;
@@ -189,7 +191,7 @@ ulong get_OPB_freq (void)
 ulong get_PCI_freq (void)
 {
 	ulong val;
-	PPC405_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	get_sys_info (&sys_info);
 	val = sys_info.freqPLB / sys_info.pllPciDiv;
@@ -216,7 +218,7 @@ void get_sys_info (sys_info_t *sysInfo)
 	*/
 
 	/* Decode CPR0_PLLD0 for divisors */
-	mfclk(clk_plld, reg);
+	mfcpr(clk_plld, reg);
 	temp = (reg & PLLD_FWDVA_MASK) >> 16;
 	sysInfo->pllFwdDivA = temp ? temp : 16;
 	temp = (reg & PLLD_FWDVB_MASK) >> 8;
@@ -225,19 +227,19 @@ void get_sys_info (sys_info_t *sysInfo)
 	sysInfo->pllFbkDiv = temp ? temp : 32;
 	lfdiv = reg & PLLD_LFBDV_MASK;
 
-	mfclk(clk_opbd, reg);
+	mfcpr(clk_opbd, reg);
 	temp = (reg & OPBDDV_MASK) >> 24;
 	sysInfo->pllOpbDiv = temp ? temp : 4;
 
-	mfclk(clk_perd, reg);
+	mfcpr(clk_perd, reg);
 	temp = (reg & PERDV_MASK) >> 24;
 	sysInfo->pllExtBusDiv = temp ? temp : 8;
 
-	mfclk(clk_primbd, reg);
+	mfcpr(clk_primbd, reg);
 	temp = (reg & PRBDV_MASK) >> 24;
 	prbdv0 = temp ? temp : 8;
 
-	mfclk(clk_spcid, reg);
+	mfcpr(clk_spcid, reg);
 	temp = (reg & SPCID_MASK) >> 24;
 	sysInfo->pllPciDiv = temp ? temp : 4;
 
@@ -246,7 +248,7 @@ void get_sys_info (sys_info_t *sysInfo)
 	temp = (reg & PLLSYS0_SEL_MASK) >> 27;
 	if (temp == 0) { /* PLL output */
 		/* Figure which pll to use */
-		mfclk(clk_pllc, reg);
+		mfcpr(clk_pllc, reg);
 		temp = (reg & PLLC_SRC_MASK) >> 29;
 		if (!temp) /* PLLOUTA */
 			m = sysInfo->pllFbkDiv * lfdiv * sysInfo->pllFwdDivA;
@@ -263,8 +265,9 @@ 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;
+	sysInfo->freqUART = sysInfo->freqPLB;
 
 	/* Figure which timer source to use */
 	if (mfspr(ccr1) & 0x0080) { /* External Clock, assume same as SYS_CLK */
@@ -277,6 +280,7 @@ void get_sys_info (sys_info_t *sysInfo)
 	else  /* Internal clock */
 		sysInfo->freqTmrClk = sysInfo->freqProcessor;
 }
+
 /********************************************
  * get_PCI_freq
  * return PCI bus freq in Hz
@@ -317,8 +321,8 @@ 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;
+	sysInfo->freqUART = sysInfo->freqPLB;
 }
 #else
 void get_sys_info (sys_info_t * sysInfo)
@@ -393,7 +397,7 @@ 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 */
@@ -403,7 +407,7 @@ void get_sys_info (sys_info_t * sysInfo)
 	sysInfo->freqDDR = ((sysInfo->freqPLB) * SDR0_DDR0_DDRM_DECODE(sdr_ddrpll));
 #endif
 
-
+	sysInfo->freqUART = sysInfo->freqPLB;
 }
 
 #endif
@@ -632,7 +636,8 @@ extern void get_sys_info (sys_info_t * sysInfo);
 extern ulong get_PCI_freq (void);
 
 #elif defined(CONFIG_AP1000)
-void get_sys_info (sys_info_t * sysInfo) {
+void get_sys_info (sys_info_t * sysInfo)
+{
 	sysInfo->freqProcessor = 240 * 1000 * 1000;
 	sysInfo->freqPLB = 80 * 1000 * 1000;
 	sysInfo->freqPCI = 33 * 1000 * 1000;
@@ -640,17 +645,16 @@ void get_sys_info (sys_info_t * sysInfo) {
 
 #elif defined(CONFIG_405)
 
-void get_sys_info (sys_info_t * sysInfo) {
-
+void get_sys_info (sys_info_t * sysInfo)
+{
 	sysInfo->freqVCOMhz=3125000;
 	sysInfo->freqProcessor=12*1000*1000;
 	sysInfo->freqPLB=50*1000*1000;
 	sysInfo->freqPCI=66*1000*1000;
-
 }
 
 #elif defined(CONFIG_405EP)
-void get_sys_info (PPC405_SYS_INFO * sysInfo)
+void get_sys_info (PPC4xx_SYS_INFO * sysInfo)
 {
 	unsigned long pllmr0;
 	unsigned long pllmr1;
@@ -678,9 +682,8 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
 	 * Determine FBK_DIV.
 	 */
 	sysInfo->pllFbkDiv = ((pllmr1 & PLLMR1_FBMUL_MASK) >> 20);
-	if (sysInfo->pllFbkDiv == 0) {
+	if (sysInfo->pllFbkDiv == 0)
 		sysInfo->pllFbkDiv = 16;
-	}
 
 	/*
 	 * Determine PLB_DIV.
@@ -733,6 +736,10 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
 	 * Determine PLB clock frequency
 	 */
 	sysInfo->freqPLB = sysInfo->freqProcessor / sysInfo->pllPlbDiv;
+
+	sysInfo->freqEBC = sysInfo->freqPLB / sysInfo->pllExtBusDiv;
+
+	sysInfo->freqUART = sysInfo->freqProcessor * pllmr0_ccdv;
 }
 
 
@@ -744,7 +751,7 @@ ulong get_OPB_freq (void)
 {
 	ulong val = 0;
 
-	PPC405_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	get_sys_info (&sys_info);
 	val = sys_info.freqPLB / sys_info.pllOpbDiv;
@@ -760,7 +767,7 @@ ulong get_OPB_freq (void)
 ulong get_PCI_freq (void)
 {
 	ulong val;
-	PPC405_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	get_sys_info (&sys_info);
 	val = sys_info.freqPLB / sys_info.pllPciDiv;
@@ -768,7 +775,7 @@ ulong get_PCI_freq (void)
 }
 
 #elif defined(CONFIG_405EZ)
-void get_sys_info (PPC405_SYS_INFO * sysInfo)
+void get_sys_info (PPC4xx_SYS_INFO * sysInfo)
 {
 	unsigned long cpr_plld;
 	unsigned long cpr_pllc;
@@ -806,6 +813,7 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
 	 * Read CPR_PRIMAD register
 	 */
 	mfcpr(cprprimad, cpr_primad);
+
 	/*
 	 * Determine PLB_DIV.
 	 */
@@ -856,6 +864,11 @@ 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;
+
+	sysInfo->freqUART = sysInfo->freqVCOHz;
 }
 
 /********************************************
@@ -866,7 +879,7 @@ ulong get_OPB_freq (void)
 {
 	ulong val = 0;
 
-	PPC405_SYS_INFO sys_info;
+	PPC4xx_SYS_INFO sys_info;
 
 	get_sys_info (&sys_info);
 	val = (CONFIG_SYS_CLK_FREQ * sys_info.pllFbkDiv) / sys_info.pllOpbDiv;
@@ -874,13 +887,176 @@ 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;
+	sysInfo->freqUART = sysInfo->freqPLB;
+}
+
+/********************************************
+ * get_OPB_freq
+ * return OPB bus freq in Hz
+ *********************************************/
+ulong get_OPB_freq (void)
+{
+	ulong val = 0;
+
+	PPC4xx_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 +1083,8 @@ 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..52601ed 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
@@ -1211,111 +1220,6 @@ mck_return:
 #endif /* CONFIG_440 */
 
 
-/*
- * Cache functions.
- *
- * NOTE: currently the 440s run with dcache _disabled_ once relocated to DRAM,
- * although for some cache-ralated calls stubs have to be provided to satisfy
- * symbols resolution.
- * Icache-related functions are used in POST framework.
- *
- */
-#ifdef CONFIG_440
-       .globl  dcache_disable
-       .globl  icache_disable
-       .globl  icache_enable
-dcache_disable:
-icache_disable:
-icache_enable:
-	blr
-
-	.globl	dcache_status
-	.globl	icache_status
-dcache_status:
-icache_status:
-	mr	r3,  0
-	blr
-#else
-flush_dcache:
-	addis	r9,r0,0x0002		/* set mask for EE and CE msr bits */
-	ori	r9,r9,0x8000
-	mfmsr	r12			/* save msr */
-	andc	r9,r12,r9
-	mtmsr	r9			/* disable EE and CE */
-	addi	r10,r0,0x0001		/* enable data cache for unused memory */
-	mfdccr	r9			/* region 0xF8000000-0xFFFFFFFF via */
-	or	r10,r10,r9		/* bit 31 in dccr */
-	mtdccr	r10
-
-	/* do loop for # of congruence classes. */
-	lis	r10,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha	/* TBS: for large cache sizes */
-	ori	r10,r10,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l
-	lis	r11,(CFG_DCACHE_SIZE / 2)@ha /* D cache set size - 2 way sets */
-	ori	r11,r11,(CFG_DCACHE_SIZE / 2)@l /* D cache set size - 2 way sets */
-	mtctr	r10
-	addi	r10,r0,(0xE000-0x10000) /* start at 0xFFFFE000 */
-	add	r11,r10,r11		/* add to get to other side of cache line */
-..flush_dcache_loop:
-	lwz	r3,0(r10)		/* least recently used side */
-	lwz	r3,0(r11)		/* the other side */
-	dccci	r0,r11			/* invalidate both sides */
-	addi	r10,r10,CFG_CACHELINE_SIZE /* bump to next line */
-	addi	r11,r11,CFG_CACHELINE_SIZE /* bump to next line */
-	bdnz	..flush_dcache_loop
-	sync				/* allow memory access to complete */
-	mtdccr	r9			/* restore dccr */
-	mtmsr	r12			/* restore msr */
-	blr
-
-	.globl	icache_enable
-icache_enable:
-	mflr	r8
-	bl	invalidate_icache
-	mtlr	r8
-	isync
-	addis	r3,r0, 0x8000	      /* set bit 0 */
-	mticcr	r3
-	blr
-
-	.globl	icache_disable
-icache_disable:
-	addis	r3,r0, 0x0000	      /* clear bit 0 */
-	mticcr	r3
-	isync
-	blr
-
-	.globl	icache_status
-icache_status:
-	mficcr	r3
-	srwi	r3, r3, 31	/* >>31 => select bit 0 */
-	blr
-
-	.globl	dcache_enable
-dcache_enable:
-	mflr	r8
-	bl	invalidate_dcache
-	mtlr	r8
-	isync
-	addis	r3,r0, 0x8000	      /* set bit 0 */
-	mtdccr	r3
-	blr
-
-	.globl	dcache_disable
-dcache_disable:
-	mflr	r8
-	bl	flush_dcache
-	mtlr	r8
-	addis	r3,r0, 0x0000	      /* clear bit 0 */
-	mtdccr	r3
-	blr
-
-	.globl	dcache_status
-dcache_status:
-	mfdccr	r3
-	srwi	r3, r3, 31	/* >>31 => select bit 0 */
-	blr
-#endif
-
 	.globl get_pvr
 get_pvr:
 	mfspr	r3, PVR
@@ -1421,6 +1325,26 @@ ppcSync:
  */
 	.globl	relocate_code
 relocate_code:
+#ifdef CONFIG_4xx_DCACHE
+	/*
+	 * We need to flush the Init Data before the dcache will be
+	 * invalidated
+	 */
+
+	/* save regs */
+	mr	r9,r3
+	mr	r10,r4
+	mr	r11,r5
+
+	mr	r3,r4
+	addi	r4,r4,0x200	/* should be enough for init data */
+	bl	flush_dcache_range
+
+	/* restore regs */
+	mr	r3,r9
+	mr	r4,r10
+	mr	r5,r11
+#endif
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
     defined(CONFIG_440SP) || defined(CONFIG_440SPE)
@@ -1432,7 +1356,11 @@ relocate_code:
 	dccci	0,0			/* Invalidate data cache, now no longer our stack */
 	sync
 	isync
-	addi	r1,r0,0x0000		/* TLB entry #0 */
+#ifdef CFG_TLB_FOR_BOOT_FLASH
+	addi	r1,r0,CFG_TLB_FOR_BOOT_FLASH	/* Use defined TLB */
+#else
+	addi	r1,r0,0x0000		/* Default TLB entry is #0 */
+#endif
 	tlbre	r0,r1,0x0002		/* Read contents */
 	ori	r0,r0,0x0c00		/* Or in the inhibit, write through bit */
 	tlbwe	r0,r1,0x0002		/* Save it out */
@@ -1448,7 +1376,7 @@ relocate_code:
 	ori	r4, r4, CFG_MONITOR_BASE@l
 	lwz	r5, GOT(__init_end)
 	sub	r5, r5, r4
-	li	r6, CFG_CACHELINE_SIZE		/* Cache Line Size	*/
+	li	r6, L1_CACHE_BYTES		/* Cache Line Size	*/
 
 	/*
 	 * Fix GOT pointer:
@@ -1566,16 +1494,25 @@ clear_bss:
 	lwz	r4,GOT(_end)
 
 	cmplw	0, r3, r4
-	beq	6f
+	beq	7f
 
 	li	r0, 0
-5:
+
+	andi.	r5, r4, 3
+	beq	6f
+	sub	r4, r4, r5
+	mtctr	r5
+	mr	r5, r4
+5:	stb	r0, 0(r5)
+	addi	r5, r5, 1
+	bdnz	5b
+6:
 	stw	r0, 0(r3)
 	addi	r3, r3, 4
 	cmplw	0, r3, r4
-	bne	5b
-6:
+	bne	6b
 
+7:
 	mr	r3, r9		/* Init Data pointer		*/
 	mr	r4, r10		/* Destination Address		*/
 	bl	board_init_r
@@ -1768,23 +1705,6 @@ in32:
 	lwz	3,0x0000(3)
 	blr
 
-invalidate_icache:
-	iccci	r0,r0			/* for 405, iccci invalidates the */
-	blr				/*   entire I cache */
-
-invalidate_dcache:
-	addi	r6,0,0x0000		/* clear GPR 6 */
-	/* Do loop for # of dcache congruence classes. */
-	lis	r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha	/* TBS for large sized cache */
-	ori	r7, r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l
-					/* NOTE: dccci invalidates both */
-	mtctr	r7			/* ways in the D cache */
-..dcloop:
-	dccci	0,r6			/* invalidate line */
-	addi	r6,r6, CFG_CACHELINE_SIZE /* bump to next line */
-	bdnz	..dcloop
-	blr
-
 /**************************************************************************/
 /* PPC405EP specific stuff						  */
 /**************************************************************************/
diff --git a/cpu/ppc4xx/tlb.c b/cpu/ppc4xx/tlb.c
index 098694c..ed493f1 100644
--- a/cpu/ppc4xx/tlb.c
+++ b/cpu/ppc4xx/tlb.c
@@ -26,6 +26,7 @@
 #if defined(CONFIG_440)
 
 #include <ppc440.h>
+#include <asm/cache.h>
 #include <asm/io.h>
 #include <asm/mmu.h>
 
@@ -42,7 +43,6 @@ void remove_tlb(u32 vaddr, u32 size)
 	u32 tlb_vaddr;
 	u32 tlb_size = 0;
 
-	/* First, find the index of a TLB entry not being used */
 	for (i=0; i<PPC4XX_TLB_SIZE; i++) {
 		tlb_word0_value = mftlb1(i);
 		tlb_vaddr = TLB_WORD0_EPN_DECODE(tlb_word0_value);
@@ -96,6 +96,92 @@ void remove_tlb(u32 vaddr, u32 size)
 	asm("isync");
 }
 
+/*
+ * Change the I attribute (cache inhibited) of a TLB or multiple TLB's.
+ * This function is used to either turn cache on or off in a specific
+ * memory area.
+ */
+void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value)
+{
+	int i;
+	u32 tlb_word0_value;
+	u32 tlb_word2_value;
+	u32 tlb_vaddr;
+	u32 tlb_size = 0;
+
+	for (i=0; i<PPC4XX_TLB_SIZE; i++) {
+		tlb_word0_value = mftlb1(i);
+		tlb_vaddr = TLB_WORD0_EPN_DECODE(tlb_word0_value);
+		if (((tlb_word0_value & TLB_WORD0_V_MASK) == TLB_WORD0_V_ENABLE) &&
+		    (tlb_vaddr >= vaddr)) {
+			/*
+			 * TLB is enabled and start address is lower or equal
+			 * than the area we are looking for. Now we only have
+			 * to check the size/end address for a match.
+			 */
+			switch (tlb_word0_value & TLB_WORD0_SIZE_MASK) {
+			case TLB_WORD0_SIZE_1KB:
+				tlb_size = 1 << 10;
+				break;
+			case TLB_WORD0_SIZE_4KB:
+				tlb_size = 4 << 10;
+				break;
+			case TLB_WORD0_SIZE_16KB:
+				tlb_size = 16 << 10;
+				break;
+			case TLB_WORD0_SIZE_64KB:
+				tlb_size = 64 << 10;
+				break;
+			case TLB_WORD0_SIZE_256KB:
+				tlb_size = 256 << 10;
+				break;
+			case TLB_WORD0_SIZE_1MB:
+				tlb_size = 1 << 20;
+				break;
+			case TLB_WORD0_SIZE_16MB:
+				tlb_size = 16 << 20;
+				break;
+			case TLB_WORD0_SIZE_256MB:
+				tlb_size = 256 << 20;
+				break;
+			}
+
+			/*
+			 * Now check the end-address if it's in the range
+			 */
+			if ((tlb_vaddr + tlb_size - 1) <= (vaddr + size - 1)) {
+				/*
+				 * Found a TLB in the range.
+				 * Change cache attribute in tlb2 word.
+				 */
+				tlb_word2_value =
+					TLB_WORD2_U0_DISABLE | TLB_WORD2_U1_DISABLE |
+					TLB_WORD2_U2_DISABLE | TLB_WORD2_U3_DISABLE |
+					TLB_WORD2_W_DISABLE | tlb_word2_i_value |
+					TLB_WORD2_M_DISABLE | TLB_WORD2_G_DISABLE |
+					TLB_WORD2_E_DISABLE | TLB_WORD2_UX_ENABLE |
+					TLB_WORD2_UW_ENABLE | TLB_WORD2_UR_ENABLE |
+					TLB_WORD2_SX_ENABLE | TLB_WORD2_SW_ENABLE |
+					TLB_WORD2_SR_ENABLE;
+
+				/*
+				 * Now either flush or invalidate the dcache
+				 */
+				if (tlb_word2_i_value)
+					flush_dcache();
+				else
+					invalidate_dcache();
+
+				mttlb3(i, tlb_word2_value);
+				asm("iccci 0,0");
+			}
+		}
+	}
+
+	/* Execute an ISYNC instruction so that the new TLB entry takes effect */
+	asm("isync");
+}
+
 static int add_tlb_entry(unsigned long phys_addr,
 			 unsigned long virt_addr,
 			 unsigned long tlb_word0_size_value,
diff --git a/cpu/ppc4xx/usb.c b/cpu/ppc4xx/usb.c
index 272ed8c..cb8d5c7 100644
--- a/cpu/ppc4xx/usb.c
+++ b/cpu/ppc4xx/usb.c
@@ -25,25 +25,41 @@
 
 #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
 
+#ifdef CONFIG_4xx_DCACHE
+#include <asm/mmu.h>
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
 #include "usbdev.h"
 
 int usb_cpu_init(void)
 {
+#ifdef CONFIG_4xx_DCACHE
+	/* disable cache */
+	change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE);
+#endif
 
 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX)
 	usb_dev_init();
 #endif
-
 	return 0;
 }
 
 int usb_cpu_stop(void)
 {
+#ifdef CONFIG_4xx_DCACHE
+	/* enable cache */
+	change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
+#endif
 	return 0;
 }
 
 int usb_cpu_init_fail(void)
 {
+#ifdef CONFIG_4xx_DCACHE
+	/* enable cache */
+	change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
+#endif
 	return 0;
 }
 
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                        */
author	Jon Loeliger <jdl@freescale.com>	2008-01-03 09:46:55 -0600
committer	Jon Loeliger <jdl@freescale.com>	2008-01-03 09:46:55 -0600
commit	2c3536425d987bf079258973e2acebaaef3e16b6 (patch)
tree	659d06dd33eca4888e1f6d01d046507b76dc2d27 /cpu/ppc4xx
parent	f743931f9b4d4e15c9bdfe726bef033ea1f1402c (diff)
parent	ce37422d0002e10490e268392e0c4e3028e52cec (diff)
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