From 11e2b043dcd39356bfa741cfd695ccac3db47f56 Mon Sep 17 00:00:00 2001
From: Lokesh Vutla <lokeshvutla@ti.com>
Date: Tue, 8 Mar 2016 09:11:35 +0530
Subject: [PATCH] ARM: AM57xx: Update EMIF registers

There are certain EMIF timing failures seen on the some x15 boards. Updating
the EMIF settings to get rid of these timing failures.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
 board/ti/am57xx/board.c | 136 +++++++++++++++++++---------------------
 1 file changed, 65 insertions(+), 71 deletions(-)

diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index d712ab0571..63bacfb335 100644
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -64,22 +64,22 @@ void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
 static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
 	.sdram_config_init	= 0x61851b32,
 	.sdram_config		= 0x61851b32,
-	.sdram_config2		= 0x00000000,
+	.sdram_config2		= 0x08000000,
 	.ref_ctrl		= 0x000040F1,
 	.ref_ctrl_final		= 0x00001035,
-	.sdram_tim1		= 0xceef266b,
-	.sdram_tim2		= 0x328f7fda,
-	.sdram_tim3		= 0x027f88a8,
+	.sdram_tim1		= 0xcccf36ab,
+	.sdram_tim2		= 0x308f7fda,
+	.sdram_tim3		= 0x409f88a8,
 	.read_idle_ctrl		= 0x00050000,
-	.zq_config		= 0x0007190b,
+	.zq_config		= 0x5007190b,
 	.temp_alert_config	= 0x00000000,
 	.emif_ddr_phy_ctlr_1_init = 0x0024400b,
 	.emif_ddr_phy_ctlr_1	= 0x0e24400b,
 	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
-	.emif_ddr_ext_phy_ctrl_2 = 0x00740074,
-	.emif_ddr_ext_phy_ctrl_3 = 0x00780078,
-	.emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
-	.emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
+	.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
+	.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
+	.emif_ddr_ext_phy_ctrl_4 = 0x009b009b,
+	.emif_ddr_ext_phy_ctrl_5 = 0x009e009e,
 	.emif_rd_wr_lvl_rmp_win	= 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl	= 0x80000000,
 	.emif_rd_wr_lvl_ctl	= 0x00000000,
@@ -89,39 +89,35 @@ static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
 /* Ext phy ctrl regs 1-35 */
 static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
 	0x10040100,
-	0x00740074,
-	0x00780078,
-	0x007c007c,
-	0x007b007b,
-	0x00800080,
-	0x00360036,
+	0x00910091,
+	0x00950095,
+	0x009B009B,
+	0x009E009E,
+	0x00980098,
 	0x00340034,
-	0x00360036,
 	0x00350035,
-	0x00350035,
-
-	0x01ff01ff,
-	0x01ff01ff,
-	0x01ff01ff,
-	0x01ff01ff,
-	0x01ff01ff,
-
-	0x00430043,
-	0x003e003e,
-	0x004a004a,
-	0x00470047,
-	0x00400040,
-
+	0x00340034,
+	0x00310031,
+	0x00340034,
+	0x007F007F,
+	0x007F007F,
+	0x007F007F,
+	0x007F007F,
+	0x007F007F,
+	0x00480048,
+	0x004A004A,
+	0x00520052,
+	0x00550055,
+	0x00500050,
 	0x00000000,
 	0x00600020,
 	0x40011080,
 	0x08102040,
-
-	0x00400040,
-	0x00400040,
-	0x00400040,
-	0x00400040,
-	0x00400040,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
 	0x0,
 	0x0,
 	0x0,
@@ -132,22 +128,22 @@ static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
 static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
 	.sdram_config_init	= 0x61851b32,
 	.sdram_config		= 0x61851b32,
-	.sdram_config2		= 0x00000000,
+	.sdram_config2		= 0x08000000,
 	.ref_ctrl		= 0x000040F1,
 	.ref_ctrl_final		= 0x00001035,
-	.sdram_tim1		= 0xceef266b,
-	.sdram_tim2		= 0x328f7fda,
-	.sdram_tim3		= 0x027f88a8,
+	.sdram_tim1		= 0xcccf36ab,
+	.sdram_tim2		= 0x308f7fda,
+	.sdram_tim3		= 0x409f88a8,
 	.read_idle_ctrl		= 0x00050000,
-	.zq_config		= 0x0007190b,
+	.zq_config		= 0x5007190b,
 	.temp_alert_config	= 0x00000000,
 	.emif_ddr_phy_ctlr_1_init = 0x0024400b,
 	.emif_ddr_phy_ctlr_1	= 0x0e24400b,
 	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
-	.emif_ddr_ext_phy_ctrl_2 = 0x00820082,
-	.emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
-	.emif_ddr_ext_phy_ctrl_4 = 0x00800080,
-	.emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
+	.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
+	.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
+	.emif_ddr_ext_phy_ctrl_4 = 0x009b009b,
+	.emif_ddr_ext_phy_ctrl_5 = 0x009e009e,
 	.emif_rd_wr_lvl_rmp_win	= 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl	= 0x80000000,
 	.emif_rd_wr_lvl_ctl	= 0x00000000,
@@ -156,37 +152,35 @@ static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
 
 static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
 	0x10040100,
-	0x00820082,
-	0x008b008b,
-	0x00800080,
-	0x007e007e,
-	0x00800080,
-	0x00370037,
-	0x00390039,
-	0x00360036,
-	0x00370037,
+	0x00910091,
+	0x00950095,
+	0x009B009B,
+	0x009E009E,
+	0x00980098,
+	0x00340034,
 	0x00350035,
-	0x01ff01ff,
-	0x01ff01ff,
-	0x01ff01ff,
-	0x01ff01ff,
-	0x01ff01ff,
-	0x00540054,
-	0x00540054,
-	0x004e004e,
-	0x004c004c,
-	0x00400040,
-
+	0x00340034,
+	0x00310031,
+	0x00340034,
+	0x007F007F,
+	0x007F007F,
+	0x007F007F,
+	0x007F007F,
+	0x007F007F,
+	0x00480048,
+	0x004A004A,
+	0x00520052,
+	0x00550055,
+	0x00500050,
 	0x00000000,
 	0x00600020,
 	0x40011080,
 	0x08102040,
-
-	0x00400040,
-	0x00400040,
-	0x00400040,
-	0x00400040,
-	0x00400040,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
 	0x0,
 	0x0,
 	0x0,
-- 
2.39.5