iommu/mediatek: Move inv_sel_reg into the plat_data

For mt6779, MMU_INV_SEL register's offset is changed from
0x38 to 0x2c, so we can put inv_sel_reg in the plat_data to
use it.
In addition, we renamed it to REG_MMU_INV_SEL_GEN1 and use it
before mt6779.

Signed-off-by: Chao Hao <chao.hao@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20200703044127.27438-6-chao.hao@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index 5225a9170aaa..cf53f5e80d22 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -40,6 +40,7 @@ enum mtk_iommu_plat {
 struct mtk_iommu_plat_data {
 	enum mtk_iommu_plat m4u_plat;
 	u32                 flags;
+	u32                 inv_sel_reg;
 	unsigned char       larbid_remap[MTK_LARB_NR_MAX];
 };