diff options
Diffstat (limited to 'src/northbridge/intel/pineview/acpi.c')
| -rw-r--r-- | src/northbridge/intel/pineview/acpi.c | 34 |
1 files changed, 3 insertions, 31 deletions
diff --git a/src/northbridge/intel/pineview/acpi.c b/src/northbridge/intel/pineview/acpi.c index f29d235b20..9dd8e311be 100644 --- a/src/northbridge/intel/pineview/acpi.c +++ b/src/northbridge/intel/pineview/acpi.c @@ -24,42 +24,14 @@ unsigned long acpi_fill_mcfg(unsigned long current) { - device_t dev; + u32 length = 0; u32 pciexbar = 0; - u32 pciexbar_reg; - u32 reg32; int max_buses; - const struct { - u16 num_buses; - u32 addr_mask; - } busmask[] = { - {256, 0xff000000}, - {128, 0xf8000000}, - {64, 0xfc000000}, - {0, 0}, - }; - dev = dev_find_slot(0, PCI_DEVFN(0,0)); - if (!dev) + if (!decode_pciebar(&pciexbar, &length)) return current; - pciexbar_reg = pci_read_config32(dev, PCIEXBAR); - - // MMCFG not supported or not enabled. - if (!(pciexbar_reg & (1 << 0))) { - printk(BIOS_WARNING, "WARNING: MMCONF not set\n"); - return current; - } - - reg32 = (pciexbar_reg >> 1) & 3; - pciexbar = pciexbar_reg & busmask[reg32].addr_mask; - max_buses = busmask[reg32].num_buses; - - if (!pciexbar) { - printk(BIOS_WARNING, "WARNING: pciexbar invalid\n"); - return current; - } - + max_buses = length >> 20; current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, pciexbar, 0x0, 0x0, max_buses - 1); |