Patrick Georgi ([email protected]) just uploaded a new patch set to 
gerrit, which you can find at http://review.coreboot.org/2368

-gerrit

commit ae7928f55a37cd9e44e246460c7a21a064655f77
Author: Patrick Georgi <[email protected]>
Date:   Fri Oct 5 09:14:17 2012 +0200

    Add ICH9 PCI IDs to intel lockdown routine
    
    The registers for FWH locking are the same
    and at the same position.
    
    Change-Id: I35d4448d7711ae4022400faa517cdbc4f4f620da
    Signed-off-by: Patrick Georgi <[email protected]>
---
 drivers/intel.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/intel.c b/drivers/intel.c
index 52430f3..ed20b11 100644
--- a/drivers/intel.c
+++ b/drivers/intel.c
@@ -51,13 +51,21 @@ int intel_lockdown_flash(void)
 
        reg32 = pci_read_config32(PCI_DEV(0,0x1f, 0), 0);
        switch (reg32) {
+               /* ICH7 */
        case 0x27b08086:
        case 0x27b88086:
        case 0x27b98086:
        case 0x27bd8086:
+               /* ICH9 */
+       case 0x29128086:
+       case 0x29148086:
+       case 0x29168086:
+       case 0x29178086:
+       case 0x29188086:
+       case 0x29198086:
                break;
        default:
-               debug("Not an ICH7 southbridge\n");
+               debug("Not an ICH7 or ICH9 southbridge\n");
                return -1;
        }
 

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