Some boards will want to do some setup before and after a PCI hose is scanned.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: None
arch/x86/cpu/pci.c | 12 ++++++++++++ arch/x86/include/asm/pci.h | 3 +++ 2 files changed, 15 insertions(+)
diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c index e399388..f3492c3 100644 --- a/arch/x86/cpu/pci.c +++ b/arch/x86/cpu/pci.c @@ -33,6 +33,16 @@ int pci_early_init_hose(struct pci_controller **hosep) return 0; }
+__weak int board_pci_pre_scan(struct pci_controller *hose) +{ + return 0; +} + +__weak int board_pci_post_scan(struct pci_controller *hose) +{ + return 0; +} + void pci_init_board(void) { struct pci_controller *hose = &x86_hose; @@ -44,7 +54,9 @@ void pci_init_board(void) pci_setup_type1(hose); pci_register_hose(hose);
+ board_pci_pre_scan(hose); hose->last_busno = pci_hose_scan(hose); + board_pci_post_scan(hose); }
static struct pci_controller *get_hose(void) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 98817aa..ac1a808 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -34,6 +34,9 @@ void board_pci_setup_hose(struct pci_controller *hose); */ int pci_early_init_hose(struct pci_controller **hosep);
+int board_pci_pre_scan(struct pci_controller *hose); +int board_pci_post_scan(struct pci_controller *hose); + /* * Simple PCI access routines - these work from either the early PCI hose * or the 'real' one, created after U-Boot has memory available