nb/intel/i945/memmap.c: Fix TOLUD bit field mask
Register TOLUD is defined as bit field 7:3 (section 5.1.26, page 103,
i945GM datasheet), fix the mask accordingly.
Change-Id: Ia27661084e11ea93d5f0dc20bafb488ae2995b49
Signed-off-by: Petr Cvek <petrcvekcz@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63752
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/northbridge/intel/i945/memmap.c b/src/northbridge/intel/i945/memmap.c
index 1dea21c..58e29c8 100644
--- a/src/northbridge/intel/i945/memmap.c
+++ b/src/northbridge/intel/i945/memmap.c
@@ -40,7 +40,7 @@
/* IGD enabled, get top of Memory from BSM register */
tom = pci_read_config32(IGD_DEV, BSM);
else
- tom = (pci_read_config8(HOST_BRIDGE, TOLUD) & 0xf7) << 24;
+ tom = (pci_read_config8(HOST_BRIDGE, TOLUD) & 0xf8) << 24;
/* subtract TSEG size */
tom -= decode_tseg_size(pci_read_config8(HOST_BRIDGE, ESMRAMC));