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-rw-r--r--src/northbridge/intel/sandybridge/northbridge.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index aab3931710..78638101d8 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -152,26 +152,28 @@ static void pci_domain_set_resources(struct device *dev)
* 14fe00000 5368MB TOUUD
*/
+ struct device *mch = dev_find_slot(0, PCI_DEVFN(0, 0));
+
/* Top of Upper Usable DRAM, including remap */
- touud = pci_read_config32(dev, TOUUD+4);
+ touud = pci_read_config32(mch, TOUUD+4);
touud <<= 32;
- touud |= pci_read_config32(dev, TOUUD);
+ touud |= pci_read_config32(mch, TOUUD);
/* Top of Lower Usable DRAM */
- tolud = pci_read_config32(dev, TOLUD);
+ tolud = pci_read_config32(mch, TOLUD);
/* Top of Memory - does not account for any UMA */
- tom = pci_read_config32(dev, 0xa4);
+ tom = pci_read_config32(mch, 0xa4);
tom <<= 32;
- tom |= pci_read_config32(dev, 0xa0);
+ tom |= pci_read_config32(mch, 0xa0);
printk(BIOS_DEBUG, "TOUUD 0x%llx TOLUD 0x%08x TOM 0x%llx\n",
touud, tolud, tom);
/* ME UMA needs excluding if total memory <4GB */
- me_base = pci_read_config32(dev, 0x74);
+ me_base = pci_read_config32(mch, 0x74);
me_base <<= 32;
- me_base |= pci_read_config32(dev, 0x70);
+ me_base |= pci_read_config32(mch, 0x70);
printk(BIOS_DEBUG, "MEBASE 0x%llx\n", me_base);
@@ -190,7 +192,7 @@ static void pci_domain_set_resources(struct device *dev)
}
/* Graphics memory comes next */
- ggc = pci_read_config16(dev, GGC);
+ ggc = pci_read_config16(mch, GGC);
if (!(ggc & 2)) {
printk(BIOS_DEBUG, "IGD decoded, subtracting ");
@@ -210,7 +212,7 @@ static void pci_domain_set_resources(struct device *dev)
}
/* Calculate TSEG size from its base which must be below GTT */
- tseg_base = pci_read_config32(dev, 0xb8);
+ tseg_base = pci_read_config32(mch, 0xb8);
uma_size = (uma_memory_base - tseg_base) >> 10;
tomk -= uma_size;
uma_memory_base = tomk * 1024ULL;