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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2007-09-23 01:29:43 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2007-09-23 01:29:43 +0900
commitb8685affe614ccf5f4ec66252b30e2e524d18948 (patch)
tree05bc55b8a4a0451e6500f1f52651d81c0f48f012 /cpu/ppc4xx/405gp_pci.c
parent69df3c4da0c93017cceb25a366e794570bd0ed98 (diff)
parent66dcad3a9a53e0766d90e0084123bd8529522fb0 (diff)
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Merge git://www.denx.de/git/u-boot
Conflicts: CREDITS
Diffstat (limited to 'cpu/ppc4xx/405gp_pci.c')
-rw-r--r--cpu/ppc4xx/405gp_pci.c49
1 files changed, 33 insertions, 16 deletions
diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c
index 7134355..282e7a1 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/405gp_pci.c
@@ -77,11 +77,21 @@
#include <asm/processor.h>
#include <pci.h>
+#ifdef CONFIG_PCI
+
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
+/*
+ * Board-specific pci initialization
+ * Platform code can reimplement pci_pre_init() if needed
+ */
+int __pci_pre_init(struct pci_controller *hose)
+{
+ return 1;
+}
+int pci_pre_init(struct pci_controller *hose) __attribute__((weak, alias("__pci_pre_init")));
-#ifdef CONFIG_PCI
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_PMC405)
ushort pmc405_pci_subsys_deviceid(void);
@@ -191,6 +201,13 @@ void pci_405gp_init(struct pci_controller *hose)
if (hose->pci_fb)
pciauto_region_init(hose->pci_fb);
+ /* Let board change/modify hose & do initial checks */
+ if (pci_pre_init (hose) == 0) {
+ printf("PCI: Board-specific initialization failed.\n");
+ printf("PCI: Configuration aborted.\n");
+ return;
+ }
+
pci_register_hose(hose);
/*--------------------------------------------------------------------------+
@@ -380,7 +397,7 @@ void pci_405gp_setup_vga(struct pci_controller *hose, pci_dev_t dev,
pci_hose_write_config_dword(hose, dev, PCI_COMMAND, cmdstat);
}
-#if !(defined(CONFIG_PIP405) || defined (CONFIG_MIP405)) && !(defined (CONFIG_SOLIDCARD3))
+#if !(defined(CONFIG_PIP405) || defined (CONFIG_MIP405)) && !(defined (CONFIG_SC3))
/*
*As is these functs get called out of flash Not a horrible
@@ -416,19 +433,17 @@ void pci_init_board(void)
#endif
-#endif /* CONFIG_PCI */
-
#endif /* CONFIG_405GP */
/*-----------------------------------------------------------------------------+
* CONFIG_440
*-----------------------------------------------------------------------------*/
-#if defined(CONFIG_440) && defined(CONFIG_PCI)
+#if defined(CONFIG_440)
static struct pci_controller ppc440_hose = {0};
-void pci_440_init (struct pci_controller *hose)
+int pci_440_init (struct pci_controller *hose)
{
int reg_num = 0;
@@ -444,7 +459,7 @@ void pci_440_init (struct pci_controller *hose)
if ((strap & SDR0_SDSTP1_PISE_MASK) == 0) {
printf("PCI: SDR0_STRP1[PISE] not set.\n");
printf("PCI: Configuration aborted.\n");
- return;
+ return -1;
}
#elif defined(CONFIG_440GP)
unsigned long strap;
@@ -453,7 +468,7 @@ void pci_440_init (struct pci_controller *hose)
if ((strap & CPC0_STRP1_PISE_MASK) == 0) {
printf("PCI: CPC0_STRP1[PISE] not set.\n");
printf("PCI: Configuration aborted.\n");
- return;
+ return -1;
}
#endif
#endif /* CONFIG_DISABLE_PISE_TEST */
@@ -462,7 +477,7 @@ void pci_440_init (struct pci_controller *hose)
* PCI controller init
*--------------------------------------------------------------------------*/
hose->first_busno = 0;
- hose->last_busno = 0xff;
+ hose->last_busno = 0;
/* PCI I/O space */
pci_set_region(hose->regions + reg_num++,
@@ -496,14 +511,12 @@ void pci_440_init (struct pci_controller *hose)
pci_setup_indirect(hose, PCIX0_CFGADR, PCIX0_CFGDATA);
-#if defined(CFG_PCI_PRE_INIT)
/* Let board change/modify hose & do initial checks */
if (pci_pre_init (hose) == 0) {
printf("PCI: Board-specific initialization failed.\n");
printf("PCI: Configuration aborted.\n");
- return;
+ return -1;
}
-#endif
pci_register_hose( hose );
@@ -565,14 +578,18 @@ void pci_440_init (struct pci_controller *hose)
#endif
hose->last_busno = pci_hose_scan(hose);
}
+ return hose->last_busno;
}
void pci_init_board(void)
{
- pci_440_init (&ppc440_hose);
+ int busno;
+
+ busno = pci_440_init (&ppc440_hose);
#if defined(CONFIG_440SPE)
- pcie_setup_hoses();
+ pcie_setup_hoses(busno + 1);
#endif
}
-#endif /* CONFIG_440 & CONFIG_PCI */
+#endif /* CONFIG_440 */
+#endif /* CONFIG_PCI */