diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi.c')
| -rw-r--r-- | src/soc/intel/skylake/acpi.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c index 4ad483184d..5bed11878c 100644 --- a/src/soc/intel/skylake/acpi.c +++ b/src/soc/intel/skylake/acpi.c @@ -554,12 +554,20 @@ static unsigned long acpi_fill_dmar(unsigned long current) /* iGFX has to be enabled, GFXVTBAR set and in 32-bit space. */ if (igfx_dev && igfx_dev->enabled && gfxvten && gfx_vtbar && !MCHBAR32(GFXVTBAR + 4)) { - const unsigned long tmp = current; + unsigned long tmp = current; current += acpi_create_dmar_drhd(current, 0, 0, gfx_vtbar); current += acpi_create_dmar_ds_pci(current, 0, 2, 0); acpi_dmar_drhd_fixup(tmp, current); + + /* Add RMRR entry */ + tmp = current; + + current += acpi_create_dmar_rmrr(current, 0, + sa_get_gsm_base(), sa_get_tolud_base() - 1); + current += acpi_create_dmar_ds_pci(current, 0, 2, 0); + acpi_dmar_rmrr_fixup(tmp, current); } struct device *const p2sb_dev = dev_find_slot(0, PCH_DEVFN_P2SB); |