From e94ea6f656641e30392cf76089b65ea9aecde160 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 14 Nov 2014 18:18:28 -0700 Subject: [PATCH] x86: pci: Add handlers before and after a PCI hose scan Some boards will want to do some setup before and after a PCI hose is scanned. Signed-off-by: Simon Glass Reviewed-by: Bin Meng --- 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 e3993880db..f3492c3851 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 98817aa8a2..ac1a808307 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 -- 2.39.5