diff options
Diffstat (limited to 'board/amcc/katmai/katmai.c')
| -rw-r--r-- | board/amcc/katmai/katmai.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c index 286bdc1..a49066f 100644 --- a/board/amcc/katmai/katmai.c +++ b/board/amcc/katmai/katmai.c @@ -34,6 +34,8 @@ #undef PCIE_ENDPOINT /* #define PCIE_ENDPOINT 1 */ +DECLARE_GLOBAL_DATA_PTR; + int ppc440spe_init_pcie_rootport(int port); void ppc440spe_setup_pcie(struct pci_controller *hose, int port); @@ -292,7 +294,7 @@ int testdram (void) * certain pre-initialization actions. * ************************************************************************/ -#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) +#if defined(CONFIG_PCI) int pci_pre_init(struct pci_controller * hose ) { unsigned long strap; @@ -309,7 +311,7 @@ int pci_pre_init(struct pci_controller * hose ) return 1; } -#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */ +#endif /* defined(CONFIG_PCI) */ /************************************************************************* * pci_target_init @@ -322,8 +324,6 @@ int pci_pre_init(struct pci_controller * hose ) #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) void pci_target_init(struct pci_controller * hose ) { - DECLARE_GLOBAL_DATA_PTR; - /*-------------------------------------------------------------------+ * Disable everything *-------------------------------------------------------------------*/ @@ -392,16 +392,18 @@ int katmai_pcie_card_present(int port) static struct pci_controller pcie_hose[3] = {{0},{0},{0}}; -void pcie_setup_hoses(void) +void pcie_setup_hoses(int busno) { struct pci_controller *hose; int i, bus; + char *env; + unsigned int delay; /* * assume we're called after the PCIX hose is initialized, which takes * bus ID 0 and therefore start numbering PCIe's from 1. */ - bus = 1; + bus = busno; for (i = 0; i <= 2; i++) { /* Check for katmai card presence */ if (!katmai_pcie_card_present(i)) @@ -418,8 +420,8 @@ void pcie_setup_hoses(void) hose = &pcie_hose[i]; hose->first_busno = bus; - hose->last_busno = bus; - bus++; + hose->last_busno = bus; + hose->current_busno = bus; /* setup mem resource */ pci_set_region(hose->regions + 0, @@ -439,10 +441,21 @@ void pcie_setup_hoses(void) */ #else ppc440spe_setup_pcie_rootpoint(hose, i); + + env = getenv ("pciscandelay"); + if (env != NULL) { + delay = simple_strtoul (env, NULL, 10); + if (delay > 5) + printf ("Warning, expect noticable delay before PCIe" + "scan due to 'pciscandelay' value!\n"); + mdelay (delay * 1000); + } + /* * Config access can only go down stream */ hose->last_busno = pci_hose_scan(hose); + bus = hose->last_busno + 1; #endif } } |