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authorSimon Glass <sjg@chromium.org>2014-11-14 18:18:28 -0700
committerSimon Glass <sjg@chromium.org>2014-11-25 06:34:00 -0700
commite94ea6f656641e30392cf76089b65ea9aecde160 (patch)
treee5bbc08878a4456128eb6322870ffd3c5b8abb5b
parenta2f5d091ccdc6ffd8fa11c140bc5a93234ee4833 (diff)
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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 <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
-rw-r--r--arch/x86/cpu/pci.c12
-rw-r--r--arch/x86/include/asm/pci.h3
2 files changed, 15 insertions, 0 deletions
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