sb/intel/bd82x6x/pch.c: Extract common functions
PCH identification functions and `pch_iobp_update` are used in multiple
stages. Move them out of `pch.c` to drop some ugly preprocessor usage.
Subsequent commits will use `pch_iobp_update` in romstage as well.
Change-Id: I8d33338a4f74fd03c8f99f8fcece99b63c28adab
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79624
Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 6d164ea..3bb8701 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -34,6 +34,7 @@
int pch_silicon_revision(void);
int pch_silicon_type(void);
+int pch_silicon_supported(int type, int rev);
void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
void enable_usb_bar(void);