seabios: shadow: make device finding more generic.

pam register offset is north bridge specific.
So determine the offset based on found north bridge.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 6c08a3c..96f4ff7 100644
--- a/src/util.h
+++ b/src/util.h
@@ -332,6 +332,8 @@ void bios32_setup(void);
 // shadow.c
 void make_bios_writable(void);
 void make_bios_readonly(void);
+void make_bios_writable_intel(u16 bdf, u32 pam0);
+void make_bios_readonly_intel(u16 bdf, u32 pam0);
 
 // pciinit.c
 extern const u8 pci_irqs[4];