From 8038b497e742af2845523ed09b560bfc8cb42089 Mon Sep 17 00:00:00 2001 From: "Cooper Jr., Franklin" Date: Fri, 27 Jun 2014 13:31:15 -0500 Subject: 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. --- arch/arm/include/asm/emif.h | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'arch/arm/include/asm/emif.h') diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index 45668ca..b8d6bdc 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 { -- cgit v1.1