From b30f8687b2a097c85b87b65b392833d43566c9d1 Mon Sep 17 00:00:00 2001 From: Petr Cvek Date: Thu, 21 Apr 2022 04:31:39 +0200 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/63752 Tested-by: build bot (Jenkins) Reviewed-by: Elyes Haouas --- src/northbridge/intel/i945/memmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/northbridge/intel/i945/memmap.c b/src/northbridge/intel/i945/memmap.c index 1dea21c6d6..58e29c8107 100644 --- a/src/northbridge/intel/i945/memmap.c +++ b/src/northbridge/intel/i945/memmap.c @@ -40,7 +40,7 @@ static uintptr_t northbridge_get_tseg_base(void) /* 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));