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Diffstat (limited to 'src/southbridge/nvidia/ck804/ht.c')
| -rw-r--r-- | src/southbridge/nvidia/ck804/ht.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/ck804/ht.c b/src/southbridge/nvidia/ck804/ht.c index a2ba2957be..6ef39e3e27 100644 --- a/src/southbridge/nvidia/ck804/ht.c +++ b/src/southbridge/nvidia/ck804/ht.c @@ -24,6 +24,33 @@ #include <device/pci_ids.h> #include <device/pci_ops.h> #include "ck804.h" +#include <arch/acpi.h> + +#if IS_ENABLED(CONFIG_GENERATE_ACPI_TABLES) + +unsigned long acpi_fill_mcfg(unsigned long current) +{ + device_t dev; + unsigned long mcfg_base; + + dev = dev_find_slot(0x0, PCI_DEVFN(0x0,0)); + if (!dev) + return current; + + mcfg_base = pci_read_config16(dev, 0x90); + if ((mcfg_base & 0x1000) == 0) + return current; + + mcfg_base = (mcfg_base & 0xf) << 28; + + printk(BIOS_INFO, "mcfg_base %lx.\n", mcfg_base); + + current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) + current, mcfg_base, 0x0, 0x0, 0xff); + return current; +} + +#endif static struct device_operations ht_ops = { .read_resources = pci_dev_read_resources, |