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-rw-r--r--src/northbridge/intel/x4x/northbridge.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/northbridge/intel/x4x/northbridge.c b/src/northbridge/intel/x4x/northbridge.c
index 0fcc297639..d1926b29f9 100644
--- a/src/northbridge/intel/x4x/northbridge.c
+++ b/src/northbridge/intel/x4x/northbridge.c
@@ -44,16 +44,18 @@ static void mch_domain_read_resources(struct device *dev)
pci_domain_read_resources(dev);
+ struct device *mch = dev_find_slot(0, PCI_DEVFN(0, 0));
+
/* Top of Upper Usable DRAM, including remap */
- touud = pci_read_config16(dev, D0F0_TOUUD);
+ touud = pci_read_config16(mch, D0F0_TOUUD);
touud <<= 20;
/* Top of Lower Usable DRAM */
- tolud = pci_read_config16(dev, D0F0_TOLUD) & 0xfff0;
+ tolud = pci_read_config16(mch, D0F0_TOLUD) & 0xfff0;
tolud <<= 16;
/* Top of Memory - does not account for any UMA */
- tom = pci_read_config16(dev, D0F0_TOM) & 0x01ff;
+ tom = pci_read_config16(mch, D0F0_TOM) & 0x01ff;
tom <<= 26;
printk(BIOS_DEBUG, "TOUUD 0x%llx TOLUD 0x%08x TOM 0x%llx\n",
@@ -63,7 +65,7 @@ static void mch_domain_read_resources(struct device *dev)
/* Graphics memory comes next */
- const u16 ggc = pci_read_config16(dev, D0F0_GGC);
+ const u16 ggc = pci_read_config16(mch, D0F0_GGC);
printk(BIOS_DEBUG, "IGD decoded, subtracting ");
/* Graphics memory */
@@ -79,7 +81,7 @@ static void mch_domain_read_resources(struct device *dev)
uma_sizek += gsm_sizek;
printk(BIOS_DEBUG, "TSEG decoded, subtracting ");
- reg8 = pci_read_config8(dev, D0F0_ESMRAMC);
+ reg8 = pci_read_config8(mch, D0F0_ESMRAMC);
reg8 >>= 1;
reg8 &= 3;
switch (reg8) {