ppc4xx: Consolidate pci_pre_init() function

This patch removes the duplicted implementations of the pci_pre_init()
function by introducing a weak default function for it. This weak default
has a different implementation for some PPC variants. It can be
overridden by a board specific version.

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

28 files changed, 130 insertions, 837 deletions

diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index 3ffdac8..7c34c44 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -467,61 +467,6 @@ phys_size_t initdram (int board_type)
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB3 devices to 0.
-	  | Set PLB3 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB4 devices to 0.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*-------------------------------------------------------------------------+
-	  | Set Nebula PLB4 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*************************************************************************
  *  pci_master_init
  *
  ************************************************************************/
diff --git a/board/amcc/ebony/ebony.c b/board/amcc/ebony/ebony.c
index e4d168f..923dbca 100644
--- a/board/amcc/ebony/ebony.c
+++ b/board/amcc/ebony/ebony.c
@@ -164,34 +164,3 @@ long int fixed_sdram(void)
 	return (128 * 1024 * 1024);	/* 128 MB                           */
 }
 #endif				/* !defined(CONFIG_SPD_EEPROM) */
-
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 * The ebony board is always configured as the host & requires the
-	 * PCI arbiter to be enabled.
-	 *--------------------------------------------------------------------------*/
-	strap = mfdcr(CPC0_STRP1);
-	if ((strap & 0x00100000) == 0) {
-		printf("PCI: CPC0_STRP1[PAE] not set.\n");
-		return 0;
-	}
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c
index f0b48c0..86dc923 100644
--- a/board/amcc/katmai/katmai.c
+++ b/board/amcc/katmai/katmai.c
@@ -260,37 +260,6 @@ u32 ddr_clktr(u32 default_val) {
 	return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
 }
 
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	unsigned long strap;
-
-	/*-------------------------------------------------------------------+
-	 *	The katmai board is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *-------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) {
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-		return 0;
-	}
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
-
 #if defined(CONFIG_PCI)
 int board_pcie_card_present(int port)
 {
diff --git a/board/amcc/kilauea/kilauea.c b/board/amcc/kilauea/kilauea.c
index c4f8a64..2f99ea1 100644
--- a/board/amcc/kilauea/kilauea.c
+++ b/board/amcc/kilauea/kilauea.c
@@ -285,25 +285,6 @@ int checkboard (void)
 	return (0);
 }
 
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *      Different boards may wish to customize the pci controller structure
- *      (add regions, override default access routines, etc) or perform
- *      certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	return 0;
-}
-#endif  /* defined(CONFIG_PCI) */
-
 #if defined(CONFIG_POST)
 /*
  * Returns 1 if keys pressed to start the power-on long-running tests
diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c
index e0b297e..332d170 100644
--- a/board/amcc/luan/luan.c
+++ b/board/amcc/luan/luan.c
@@ -127,39 +127,6 @@ u32 ddr_clktr(u32 default_val) {
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init( struct pci_controller *hose )
-{
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 *	The luan board is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *--------------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) {
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-
-		return  0;
-	}
-
-	return  1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-
-/*************************************************************************
  *  hw_watchdog_reset
  *
  *	This routine is called to reset (keep alive) the watchdog timer
diff --git a/board/amcc/makalu/makalu.c b/board/amcc/makalu/makalu.c
index 43b9bc6..3d860af 100644
--- a/board/amcc/makalu/makalu.c
+++ b/board/amcc/makalu/makalu.c
@@ -237,25 +237,6 @@ int checkboard (void)
 	return (0);
 }
 
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *      Different boards may wish to customize the pci controller structure
- *      (add regions, override default access routines, etc) or perform
- *      certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	return 0;
-}
-#endif  /* defined(CONFIG_PCI) */
-
 #if defined(CONFIG_POST)
 /*
  * Returns 1 if keys pressed to start the power-on long-running tests
diff --git a/board/amcc/ocotea/ocotea.c b/board/amcc/ocotea/ocotea.c
index b38f3cc..951a8b5 100644
--- a/board/amcc/ocotea/ocotea.c
+++ b/board/amcc/ocotea/ocotea.c
@@ -275,38 +275,6 @@ long int fixed_sdram (void)
 }
 #endif	/* !defined(CONFIG_SPD_EEPROM) */
 
-
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 *	The ocotea board is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *--------------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-		return 0;
-	}
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
 void fpga_init(void)
 {
 	unsigned long group;
diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c
index b8ef4e7..8c0a647 100644
--- a/board/amcc/sequoia/sequoia.c
+++ b/board/amcc/sequoia/sequoia.c
@@ -364,69 +364,12 @@ int checkboard(void)
 /*
  * Assign interrupts to PCI devices.
  */
-void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
 {
 	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
 }
 #endif
 
-/*
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- */
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*
-	 * Set priority for all PLB3 devices to 0.
-	 * Set PLB3 arbiter to fair mode.
-	 */
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*
-	 * Set priority for all PLB4 devices to 0.
-	 */
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*
-	 * Set Nebula PLB4 arbiter to fair mode.
-	 */
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-#ifdef CONFIG_PCI_PNP
-	hose->fixup_irq = sequoia_pci_fixup_irq;
-#endif
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
 void pci_master_init(struct pci_controller *hose)
 {
diff --git a/board/amcc/taishan/taishan.c b/board/amcc/taishan/taishan.c
index 574ff1a..279fae2 100644
--- a/board/amcc/taishan/taishan.c
+++ b/board/amcc/taishan/taishan.c
@@ -209,37 +209,6 @@ int checkboard (void)
 	return (0);
 }
 
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 *	The ocotea board is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *--------------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-		return 0;
-	}
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
 #ifdef CONFIG_POST
 /*
  * Returns 1 if keys pressed to start the power-on long-running tests
diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c
index cd14a6a..b6f8b70 100644
--- a/board/amcc/yosemite/yosemite.c
+++ b/board/amcc/yosemite/yosemite.c
@@ -353,61 +353,6 @@ phys_size_t initdram(int board)
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB3 devices to 0.
-	  | Set PLB3 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB4 devices to 0.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*-------------------------------------------------------------------------+
-	  | Set Nebula PLB4 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
-
-/*************************************************************************
  *  pci_master_init
  *
  ************************************************************************/
diff --git a/board/amcc/yucca/yucca.c b/board/amcc/yucca/yucca.c
index 0ec26f1..e0d19bc 100644
--- a/board/amcc/yucca/yucca.c
+++ b/board/amcc/yucca/yucca.c
@@ -588,37 +588,6 @@ u32 ddr_clktr(u32 default_val) {
 	return default_val;
 }
 
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	unsigned long strap;
-
-	/*-------------------------------------------------------------------+
-	 *	The yucca board is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *-------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) {
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-		return 0;
-	}
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
-
 #if defined(CONFIG_PCI)
 int board_pcie_card_present(int port)
 {
diff --git a/board/esd/du440/du440.c b/board/esd/du440/du440.c
index 866dcaf..af50a1e 100644
--- a/board/esd/du440/du440.c
+++ b/board/esd/du440/du440.c
@@ -360,60 +360,6 @@ int checkboard(void)
 	return (0);
 }
 
-/*
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- */
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*
-	 * Set priority for all PLB3 devices to 0.
-	 * Set PLB3 arbiter to fair mode.
-	 */
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*
-	 * Set priority for all PLB4 devices to 0.
-	 */
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000; /* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*
-	 * Set Nebula PLB4 arbiter to fair mode.
-	 */
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
 void pci_master_init(struct pci_controller *hose)
 {
diff --git a/board/esd/pmc440/pmc440.c b/board/esd/pmc440/pmc440.c
index 10901b4..c5dc486 100644
--- a/board/esd/pmc440/pmc440.c
+++ b/board/esd/pmc440/pmc440.c
@@ -478,7 +478,7 @@ int checkboard(void)
 /*
  * Assign interrupts to PCI devices. Some OSs rely on this.
  */
-void pmc440_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
 {
 	unsigned char int_line[] = {IRQ_PCIC, IRQ_PCID, IRQ_PCIA, IRQ_PCIB};
 
@@ -488,64 +488,6 @@ void pmc440_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
 #endif
 
 /*
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- */
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*
-	 * Set priority for all PLB3 devices to 0.
-	 * Set PLB3 arbiter to fair mode.
-	 */
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*
-	 * Set priority for all PLB4 devices to 0.
-	 */
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*
-	 * Set Nebula PLB4 arbiter to fair mode.
-	 */
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-#ifdef CONFIG_PCI_PNP
-	hose->fixup_irq = pmc440_pci_fixup_irq;
-#endif
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*
  * pci_target_init
  *
  * The bootstrap configuration provides default settings for the pci
diff --git a/board/gdsys/gdppc440etx/gdppc440etx.c b/board/gdsys/gdppc440etx/gdppc440etx.c
index b93a420..10e146b 100644
--- a/board/gdsys/gdppc440etx/gdppc440etx.c
+++ b/board/gdsys/gdppc440etx/gdppc440etx.c
@@ -29,6 +29,7 @@
 #include <ppc4xx.h>
 #include <asm/processor.h>
 #include <asm/io.h>
+#include <asm/4xx_pci.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -158,55 +159,13 @@ int checkboard(void)
 }
 
 /*
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
+ * Override weak pci_pre_init()
  */
 #if defined(CONFIG_PCI)
 int pci_pre_init(struct pci_controller *hose)
 {
-	unsigned long addr;
-
-	/*
-	 * Set priority for all PLB3 devices to 0.
-	 * Set PLB3 arbiter to fair mode.
-	 */
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*
-	 * Set priority for all PLB4 devices to 0.
-	 */
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*
-	 * Set Nebula PLB4 arbiter to fair mode.
-	 */
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
+	/* First call common code */
+	__pci_pre_init(hose);
 
 	/* enable 66 MHz ext. Clock */
 	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x00008000);
diff --git a/board/korat/korat.c b/board/korat/korat.c
index 02ebfdf..78ccb11 100644
--- a/board/korat/korat.c
+++ b/board/korat/korat.c
@@ -595,71 +595,13 @@ int checkboard(void)
 /*
  * Assign interrupts to PCI devices.
  */
-void korat_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
 {
 	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
 }
 #endif
 
 /*
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- */
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*
-	 * Set priority for all PLB3 devices to 0.
-	 * Set PLB3 arbiter to fair mode.
-	 */
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*
-	 * Set priority for all PLB4 devices to 0.
-	 */
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*
-	 * Set Nebula PLB4 arbiter to fair mode.
-	 */
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-#if defined(CONFIG_PCI_PNP)
-	hose->fixup_irq = korat_pci_fixup_irq;
-#endif
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*
  * pci_target_init
  *
  * The bootstrap configuration provides default settings for the pci
diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index 77f2d7f..bd29437 100644
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -276,61 +276,6 @@ int checkboard(void)
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB3 devices to 0.
-	  | Set PLB3 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB4 devices to 0.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*-------------------------------------------------------------------------+
-	  | Set Nebula PLB4 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
-
-/*************************************************************************
  *  pci_master_init
  *
  ************************************************************************/
diff --git a/board/pcs440ep/pcs440ep.c b/board/pcs440ep/pcs440ep.c
index 9293759..e7c575d 100644
--- a/board/pcs440ep/pcs440ep.c
+++ b/board/pcs440ep/pcs440ep.c
@@ -551,61 +551,6 @@ phys_size_t initdram (int board_type)
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long addr;
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB3 devices to 0.
-	  | Set PLB3 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP1, addr);
-	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB3_ACR);
-	mtdcr(PLB3_ACR, addr | 0x80000000);
-
-	/*-------------------------------------------------------------------------+
-	  | Set priority for all PLB4 devices to 0.
-	  +-------------------------------------------------------------------------*/
-	mfsdr(SD0_AMP0, addr);
-	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(PLB4_ACR, addr);
-
-	/*-------------------------------------------------------------------------+
-	  | Set Nebula PLB4 arbiter to fair mode.
-	  +-------------------------------------------------------------------------*/
-	/* Segment0 */
-	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
-	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
-	mtdcr(PLB0_ACR, addr);
-
-	/* Segment1 */
-	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
-	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
-	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
-	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
-	mtdcr(PLB1_ACR, addr);
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
-
-/*************************************************************************
  *  pci_master_init
  *
  ************************************************************************/
diff --git a/board/prodrive/alpr/alpr.c b/board/prodrive/alpr/alpr.c
index c06aadb..6615327 100644
--- a/board/prodrive/alpr/alpr.c
+++ b/board/prodrive/alpr/alpr.c
@@ -29,6 +29,7 @@
 #include <ppc4xx_enet.h>
 #include <miiphy.h>
 #include <asm/processor.h>
+#include <asm/4xx_pci.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -144,39 +145,20 @@ int checkboard (void)
 	return (0);
 }
 
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
 #if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
+/*
+ * Override weak pci_pre_init()
+ */
+int pci_pre_init(struct pci_controller *hose)
 {
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 *	The ocotea board is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *--------------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
+	if (__pci_pre_init(hose) == 0)
 		return 0;
-	}
 
 	/* FPGA Init */
-	alpr_fpga_init ();
+	alpr_fpga_init();
 
 	return 1;
 }
-#endif /* defined(CONFIG_PCI) */
 
 /*************************************************************************
  * Override weak is_pci_host()
@@ -193,8 +175,6 @@ int pci_pre_init(struct pci_controller * hose )
  *
  *
  ************************************************************************/
-#if defined(CONFIG_PCI)
-
 static void wait_for_pci_ready(void)
 {
 	/*
diff --git a/board/prodrive/p3p440/p3p440.c b/board/prodrive/p3p440/p3p440.c
index 5761e70..020f66d 100644
--- a/board/prodrive/p3p440/p3p440.c
+++ b/board/prodrive/p3p440/p3p440.c
@@ -165,37 +165,6 @@ int misc_init_r (void)
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 *	The P3P440 board is always configured as the host & requires the
-	 *	PCI arbiter to be disabled because it's an PMC module.
-	 *--------------------------------------------------------------------------*/
-	strap = mfdcr(CPC0_STRP1);
-	if (strap & 0x00100000) {
-		printf("PCI: CPC0_STRP1[PAE] set.\n");
-		return 0;
-	}
-
-	return 1;
-}
-#endif	/* defined(CONFIG_PCI) */
-
-/*************************************************************************
  * Override weak is_pci_host()
  *
  *	This routine is called to determine if a pci scan should be
diff --git a/board/sandburst/common/sb_common.c b/board/sandburst/common/sb_common.c
index 45e9043..6b91074 100644
--- a/board/sandburst/common/sb_common.c
+++ b/board/sandburst/common/sb_common.c
@@ -300,38 +300,6 @@ long int fixed_sdram (void)
 }
 #endif	/* !defined(CONFIG_SPD_EEPROM) */
 
-
-/*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *	Different boards may wish to customize the pci controller structure
- *	(add regions, override default access routines, etc) or perform
- *	certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
-	unsigned long strap;
-
-	/*--------------------------------------------------------------------------+
-	 *	The metrobox is always configured as the host & requires the
-	 *	PCI arbiter to be enabled.
-	 *--------------------------------------------------------------------------*/
-	mfsdr(SDR0_SDSTP1, strap);
-	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
-		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-		return 0;
-	}
-
-	return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
 /*************************************************************************
  *  board_get_enetaddr
  *
diff --git a/board/xes/xpedite1000/xpedite1000.c b/board/xes/xpedite1000/xpedite1000.c
index db37ca0..b4cbb2f 100644
--- a/board/xes/xpedite1000/xpedite1000.c
+++ b/board/xes/xpedite1000/xpedite1000.c
@@ -136,6 +136,8 @@ phys_size_t initdram(int board_type)
 }
 
 /*
+ * Override weak pci_pre_init()
+ *
  * This routine is called just prior to registering the hose and gives
  * the board the opportunity to check things. Returning a value of zero
  * indicates that things are bad & PCI initialization should be aborted.
@@ -144,7 +146,6 @@ phys_size_t initdram(int board_type)
  * (add regions, override default access routines, etc) or perform
  * certain pre-initialization actions.
  */
-
 #if defined(CONFIG_PCI)
 int pci_pre_init(struct pci_controller * hose)
 {
diff --git a/cpu/ppc4xx/4xx_pci.c b/cpu/ppc4xx/4xx_pci.c
index 20e134b..01b9cf7 100644
--- a/cpu/ppc4xx/4xx_pci.c
+++ b/cpu/ppc4xx/4xx_pci.c
@@ -73,9 +73,7 @@
 
 #include <common.h>
 #include <command.h>
-#if !defined(CONFIG_440)
 #include <asm/4xx_pci.h>
-#endif
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <pci.h>
@@ -84,13 +82,21 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
+
+#if defined(CONFIG_PMC405)
+ushort pmc405_pci_subsys_deviceid(void);
+#endif
+
+/*#define DEBUG*/
+
 /*
  * Board-specific pci initialization
  * Platform code can reimplement pci_pre_init() if needed
  */
 int __pci_pre_init(struct pci_controller *hose)
 {
-#if defined (CONFIG_405EP)
+#if defined(CONFIG_405EP)
 	/*
 	 * Enable the internal PCI arbiter by default.
 	 *
@@ -106,15 +112,8 @@ int __pci_pre_init(struct pci_controller *hose)
 
 	return 1;
 }
-int pci_pre_init(struct pci_controller *hose) __attribute__((weak, alias("__pci_pre_init")));
-
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
-
-#if defined(CONFIG_PMC405)
-ushort pmc405_pci_subsys_deviceid(void);
-#endif
-
-/*#define DEBUG*/
+int pci_pre_init(struct pci_controller *hose)
+	__attribute__((weak, alias("__pci_pre_init")));
 
 int __is_pci_host(struct pci_controller *hose)
 {
@@ -232,7 +231,7 @@ void pci_405gp_init(struct pci_controller *hose)
 		pciauto_region_init(hose->pci_fb);
 
 	/* Let board change/modify hose & do initial checks */
-	if (pci_pre_init (hose) == 0) {
+	if (pci_pre_init(hose) == 0) {
 		printf("PCI: Board-specific initialization failed.\n");
 		printf("PCI: Configuration aborted.\n");
 		return;
@@ -500,16 +499,17 @@ int __is_pci_host(struct pci_controller *hose)
 int is_pci_host(struct pci_controller *hose)
 	__attribute__((weak, alias("__is_pci_host")));
 
+#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
+    defined(CONFIG_440GR) || defined(CONFIG_440GRX)
+
+#if defined(CONFIG_SYS_PCI_TARGET_INIT)
 /*
- *  pci_target_init
+ * pci_target_init
  *
- *	The bootstrap configuration provides default settings for the pci
- *	inbound map (PIM). But the bootstrap config choices are limited and
- *	may not be sufficient for a given board.
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
  */
-#if defined(CONFIG_SYS_PCI_TARGET_INIT)
-#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
-    defined(CONFIG_440GR) || defined(CONFIG_440GRX)
 void __pci_target_init(struct pci_controller *hose)
 {
 	/*
@@ -570,7 +570,68 @@ void __pci_target_init(struct pci_controller *hose)
 
 	pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
 }
+#endif /* CONFIG_SYS_PCI_TARGET_INIT */
+
+/*
+ * pci_pre_init
+ *
+ * This routine is called just prior to registering the hose and gives
+ * the board the opportunity to check things. Returning a value of zero
+ * indicates that things are bad & PCI initialization should be aborted.
+ *
+ * Different boards may wish to customize the pci controller structure
+ * (add regions, override default access routines, etc) or perform
+ * certain pre-initialization actions.
+ *
+ */
+int __pci_pre_init(struct pci_controller *hose)
+{
+	u32 reg;
+
+	/*
+	 * Set priority for all PLB3 devices to 0.
+	 * Set PLB3 arbiter to fair mode.
+	 */
+	mfsdr(SD0_AMP1, reg);
+	mtsdr(SD0_AMP1, (reg & 0x000000FF) | 0x0000FF00);
+	reg = mfdcr(PLB3_ACR);
+	mtdcr(PLB3_ACR, reg | 0x80000000);
+
+	/*
+	 * Set priority for all PLB4 devices to 0.
+	 */
+	mfsdr(SD0_AMP0, reg);
+	mtsdr(SD0_AMP0, (reg & 0x000000FF) | 0x0000FF00);
+	reg = mfdcr(PLB4_ACR) | 0xa0000000;
+	mtdcr(PLB4_ACR, reg);
+
+	/*
+	 * Set Nebula PLB4 arbiter to fair mode.
+	 */
+	/* Segment0 */
+	reg = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
+	reg = (reg & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
+	reg = (reg & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
+	reg = (reg & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
+	mtdcr(PLB0_ACR, reg);
+
+	/* Segment1 */
+	reg = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
+	reg = (reg & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
+	reg = (reg & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
+	reg = (reg & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
+	mtdcr(PLB1_ACR, reg);
+
+#if defined(CONFIG_SYS_PCI_BOARD_FIXUP_IRQ)
+	hose->fixup_irq = board_pci_fixup_irq;
+#endif
+
+	return 1;
+}
+
 #else /* defined(CONFIG_440EP) ... */
+
+#if defined(CONFIG_SYS_PCI_TARGET_INIT)
 void __pci_target_init(struct pci_controller * hose)
 {
 	/*
@@ -599,11 +660,31 @@ void __pci_target_init(struct pci_controller * hose)
 	out_le16((void *)PCIL0_CMD, in_le16((void *)PCIL0_CMD) |
 		 PCI_COMMAND_MEMORY);
 }
+#endif /* CONFIG_SYS_PCI_TARGET_INIT */
+
+int __pci_pre_init(struct pci_controller *hose)
+{
+	/*
+	 * This board is always configured as the host & requires the
+	 * PCI arbiter to be enabled.
+	 */
+	if (!pci_arbiter_enabled()) {
+		printf("PCI: PCI Arbiter disabled!\n");
+		return 0;
+	}
+
+	return 1;
+}
+
 #endif /* defined(CONFIG_440EP) ... */
+
+#if defined(CONFIG_SYS_PCI_TARGET_INIT)
 void pci_target_init(struct pci_controller * hose)
 	__attribute__((weak, alias("__pci_target_init")));
+#endif /* CONFIG_SYS_PCI_TARGET_INIT */
 
-#endif	/* defined(CONFIG_SYS_PCI_TARGET_INIT) */
+int pci_pre_init(struct pci_controller *hose)
+	__attribute__((weak, alias("__pci_pre_init")));
 
 int pci_440_init (struct pci_controller *hose)
 {
@@ -674,7 +755,7 @@ int pci_440_init (struct pci_controller *hose)
 	pci_setup_indirect(hose, PCIL0_CFGADR, PCIL0_CFGDATA);
 
 	/* Let board change/modify hose & do initial checks */
-	if (pci_pre_init (hose) == 0) {
+	if (pci_pre_init(hose) == 0) {
 		printf("PCI: Board-specific initialization failed.\n");
 		printf("PCI: Configuration aborted.\n");
 		return -1;
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index e1b00a7..73d4d06 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -81,7 +81,7 @@ static int pci_async_enabled(void)
 
 #if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \
     !defined(CONFIG_405) && !defined(CONFIG_405EX)
-static int pci_arbiter_enabled(void)
+int pci_arbiter_enabled(void)
 {
 #if defined(CONFIG_405GP)
 	return (mfdcr(CPC0_PSR) & PSR_PCI_ARBIT_EN);
diff --git a/include/asm-ppc/4xx_pci.h b/include/asm-ppc/4xx_pci.h
index 5400a03..3176990 100644
--- a/include/asm-ppc/4xx_pci.h
+++ b/include/asm-ppc/4xx_pci.h
@@ -1,6 +1,8 @@
 #ifndef _405GP_PCI_H
 #define _405GP_PCI_H
 
+#include <pci.h>
+
 /*----------------------------------------------------------------------------+
 | 405GP PCI core memory map defines.
 +----------------------------------------------------------------------------*/
@@ -49,6 +51,9 @@
 
 #define PCIDEVID_405GP	0x0
 
+void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev);
+int pci_arbiter_enabled(void);
+int __pci_pre_init(struct pci_controller *hose);
 void __pci_target_init(struct pci_controller *hose);
 
 #endif
diff --git a/include/configs/PMC440.h b/include/configs/PMC440.h
index d2c5188..ac5584c 100644
--- a/include/configs/PMC440.h
+++ b/include/configs/PMC440.h
@@ -435,6 +435,7 @@
 /* Board-specific PCI */
 #define CONFIG_SYS_PCI_TARGET_INIT
 #define CONFIG_SYS_PCI_MASTER_INIT
+#define CONFIG_SYS_PCI_BOARD_FIXUP_IRQ
 
 /* PCI identification */
 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x12FE	/* PCI Vendor ID: esd gmbh      */
diff --git a/include/configs/korat.h b/include/configs/korat.h
index 7e74ef7..026dd08 100644
--- a/include/configs/korat.h
+++ b/include/configs/korat.h
@@ -360,6 +360,7 @@
 /* Board-specific PCI */
 #define CONFIG_SYS_PCI_TARGET_INIT
 #define CONFIG_SYS_PCI_MASTER_INIT
+#define CONFIG_SYS_PCI_BOARD_FIXUP_IRQ
 
 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC				*/
 #define CONFIG_SYS_PCI_SUBSYS_ID       0xcafe	/* Whatever			*/
diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h
index 9605ce2..5788d58 100644
--- a/include/configs/sequoia.h
+++ b/include/configs/sequoia.h
@@ -364,6 +364,7 @@
 /* Board-specific PCI */
 #define CONFIG_SYS_PCI_TARGET_INIT
 #define CONFIG_SYS_PCI_MASTER_INIT
+#define CONFIG_SYS_PCI_BOARD_FIXUP_IRQ
 
 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC				*/
 #define CONFIG_SYS_PCI_SUBSYS_ID       0xcafe	/* Whatever			*/
diff --git a/include/ppc440.h b/include/ppc440.h
index e54a977..a050ffd 100644
--- a/include/ppc440.h
+++ b/include/ppc440.h
@@ -1276,7 +1276,8 @@
 #define CPC0_STRP1_PAE_MASK		(0x80000000 >> 11)
 #define CPC0_STRP1_PISE_MASK		(0x80000000 >> 13)
 #endif /* defined(CONFIG_440GP) */
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT)
 #define SDR0_SDSTP1_PAE_MASK		(0x80000000 >> 13)
 #define SDR0_SDSTP1_PISE_MASK		(0x80000000 >> 15)
 #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */