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>
This commit is contained in:
Stefan Roese
2009-11-12 16:41:09 +01:00
parent 1095493a5d
commit a760b02031
28 changed files with 131 additions and 838 deletions

View File

@@ -466,61 +466,6 @@ phys_size_t initdram (int board_type)
#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);
return 1;
}
#endif /* defined(CONFIG_PCI) */
/*************************************************************************
* pci_master_init
*

View File

@@ -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) */

View File

@@ -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)
{

View File

@@ -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

View File

@@ -126,39 +126,6 @@ u32 ddr_clktr(u32 default_val) {
return (SDRAM_CLKTR_CLKP_180_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 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
*

View File

@@ -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

View File

@@ -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;

View File

@@ -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)
{

View File

@@ -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

View File

@@ -352,61 +352,6 @@ phys_size_t initdram(int board)
return CONFIG_SYS_SDRAM_BANKS * (CONFIG_SYS_KBYTES_SDRAM * 1024); /* return bytes */
}
/*************************************************************************
* 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
*

View File

@@ -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)
{