am43xx: Tune the system to avoid DSS underflows

* This is done by limiting the ARM's bandwidth and setting DSS priority in
  the EMIF controller to ensure underflows do not occur.

1 files changed, 12 insertions, 3 deletions

diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index 45668ca4dd..b8d6bdca9b 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -642,11 +642,16 @@ struct emif_reg_struct {
 	u32 emif_ddr_phy_ctrl_1;
 	u32 emif_ddr_phy_ctrl_1_shdw;
 	u32 emif_ddr_phy_ctrl_2;
-	u32 padding7[12];
+	u32 padding7[4];
+	u32 emif_prio_class_serv_map;
+	u32 emif_connect_id_serv_1_map;
+	u32 emif_connect_id_serv_2_map;
+	u32 padding8[5];
 	u32 emif_rd_wr_exec_thresh;
-	u32 padding8[7];
+	u32 emif_cos_config;
+	u32 padding9[6];
 	u32 emif_ddr_phy_status[21];
-	u32 padding9[27];
+	u32 padding10[27];
 	u32 emif_ddr_ext_phy_ctrl_1;
 	u32 emif_ddr_ext_phy_ctrl_1_shdw;
 	u32 emif_ddr_ext_phy_ctrl_2;
@@ -1137,6 +1142,10 @@ struct emif_regs {
 	u32 emif_rd_wr_lvl_rmp_ctl;
 	u32 emif_rd_wr_lvl_ctl;
 	u32 emif_rd_wr_exec_thresh;
+	u32 emif_prio_class_serv_map;
+	u32 emif_connect_id_serv_1_map;
+	u32 emif_connect_id_serv_2_map;
+	u32 emif_cos_config;
 };
 
 struct lpddr2_mr_regs {