AMD Kabini: Add map_oprom() function for Vendor/Device IDs
Change-Id: I14285f0677003fbf8b9b112207af202658807894
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Signed-off-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Reviewed-by: Bruce Griffith <bruce.griffith@se-eng.com>
Tested-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3806
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
diff --git a/src/northbridge/amd/agesa/family16kb/Kconfig b/src/northbridge/amd/agesa/family16kb/Kconfig
index f39b926..259195b 100644
--- a/src/northbridge/amd/agesa/family16kb/Kconfig
+++ b/src/northbridge/amd/agesa/family16kb/Kconfig
@@ -38,4 +38,11 @@
int
default 256
+config VGA_BIOS_ID
+ string
+ default "1002,9830"
+ help
+ The default VGA BIOS PCI vendor/device ID should be set to the
+ result of the map_oprom_vendev() function in northbridge.c.
+
endif
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index bed7feb..c27a1b2 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -1144,3 +1144,35 @@
CHIP_NAME("AMD FAM16 Root Complex")
.enable_dev = root_complex_enable_dev,
};
+
+/*********************************************************************
+ * Change the vendor / device IDs to match the generic VBIOS header. *
+ *********************************************************************/
+u32 map_oprom_vendev(u32 vendev)
+{
+ u32 new_vendev = vendev;
+
+ switch(vendev) {
+ case 0x10029830:
+ case 0x10029831:
+ case 0x10029832:
+ case 0x10029833:
+ case 0x10029834:
+ case 0x10029835:
+ case 0x10029836:
+ case 0x10029837:
+ case 0x10029838:
+ case 0x10029839:
+ case 0x1002983A:
+ case 0x1002983D:
+ new_vendev = 0x10029830; // This is the default value in AMD-generated VBIOS
+ break;
+ default:
+ break;
+ }
+
+ if (vendev != new_vendev)
+ printk(BIOS_NOTICE, "Mapping PCI device %8x to %8x\n", vendev, new_vendev);
+
+ return new_vendev;
+}