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Diffstat (limited to 'src/soc/intel/broadwell/acpi.c')
-rw-r--r--src/soc/intel/broadwell/acpi.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/soc/intel/broadwell/acpi.c b/src/soc/intel/broadwell/acpi.c
index 9c6bd9b125..42d31c8141 100644
--- a/src/soc/intel/broadwell/acpi.c
+++ b/src/soc/intel/broadwell/acpi.c
@@ -590,12 +590,20 @@ static unsigned long acpi_fill_dmar(unsigned long current)
/* iGFX has to be enabled; GFXVTBAR set, enabled, in 32-bit space */
if (igfx_dev && igfx_dev->enabled && gfxvtbar
&& gfxvten && !MCHBAR32(GFXVTBAR + 4)) {
- const unsigned long tmp = current;
+ unsigned long tmp = current;
current += acpi_create_dmar_drhd(current, 0, 0, gfxvtbar);
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);
}
/* VTVC0BAR has to be set, enabled, and in 32-bit space */