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>

11 files changed, 1 insertions, 395 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)
 {