diff options
Diffstat (limited to 'src/northbridge/intel/gm45/northbridge.c')
| -rw-r--r-- | src/northbridge/intel/gm45/northbridge.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c index da37e33145..e14f843f9f 100644 --- a/src/northbridge/intel/gm45/northbridge.c +++ b/src/northbridge/intel/gm45/northbridge.c @@ -96,16 +96,18 @@ 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) & 0x1ff; + tom = pci_read_config16(mch, D0F0_TOM) & 0x1ff; tom <<= 27; printk(BIOS_DEBUG, "TOUUD 0x%llx TOLUD 0x%08x TOM 0x%llx\n", @@ -114,7 +116,7 @@ static void mch_domain_read_resources(struct device *dev) tomk = tolud >> 10; /* Graphics memory comes next */ - const u16 ggc = pci_read_config16(dev, D0F0_GGC); + const u16 ggc = pci_read_config16(mch, D0F0_GGC); if (!(ggc & 2)) { printk(BIOS_DEBUG, "IGD decoded, subtracting "); @@ -130,7 +132,7 @@ static void mch_domain_read_resources(struct device *dev) uma_sizek = gms_sizek + gsm_sizek; } - const u8 esmramc = pci_read_config8(dev, D0F0_ESMRAMC); + const u8 esmramc = pci_read_config8(mch, D0F0_ESMRAMC); const u32 tseg_sizek = decode_tseg_size(esmramc); printk(BIOS_DEBUG, " and %uM TSEG\n", tseg_sizek >> 10); tomk -= tseg_sizek; @@ -186,10 +188,12 @@ static void mch_domain_init(struct device *dev) { u32 reg32; + struct device *mch = dev_find_slot(0, PCI_DEVFN(0, 0)); + /* Enable SERR */ - reg32 = pci_read_config32(dev, PCI_COMMAND); + reg32 = pci_read_config32(mch, PCI_COMMAND); reg32 |= PCI_COMMAND_SERR; - pci_write_config32(dev, PCI_COMMAND, reg32); + pci_write_config32(mch, PCI_COMMAND, reg32); } static const char *northbridge_acpi_name(const struct device *dev) |