arm: emif-common: Add ecc specific emif registers

This is a slight difference in emif_ddr_phy_status register offsets for
DRA7xx EMIF and older versions. And ecc registers are available only
in DRA7xx EMIC. Add support for this difference and ecc registers.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/include/asm/emif.h

@@ -664,12 +664,27 @@ struct emif_reg_struct {
 	u32 emif_prio_class_serv_map;
 	u32 emif_connect_id_serv_1_map;
 	u32 emif_connect_id_serv_2_map;
-	u32 padding8[5];
+	u32 padding8;
+	u32 emif_ecc_ctrl_reg;
+	u32 emif_ecc_address_range_1;
+	u32 emif_ecc_address_range_2;
+	u32 padding8_1;
 	u32 emif_rd_wr_exec_thresh;
 	u32 emif_cos_config;
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_ARCH_KEYSTONE)
+	u32 padding9[2];
+	u32 emif_1b_ecc_err_cnt;
+	u32 emif_1b_ecc_err_thrush;
+	u32 emif_1b_ecc_err_dist_1;
+	u32 emif_1b_ecc_err_addr_log;
+	u32 emif_2b_ecc_err_addr_log;
+	u32 emif_ddr_phy_status[28];
+	u32 padding10[19];
+#else
 	u32 padding9[6];
 	u32 emif_ddr_phy_status[28];
 	u32 padding10[20];
+#endif
 	u32 emif_ddr_ext_phy_ctrl_1;
 	u32 emif_ddr_ext_phy_ctrl_1_shdw;
 	u32 emif_ddr_ext_phy_ctrl_2;

arch/arm/mach-omap2/emif-common.c

@@ -255,7 +255,7 @@ static void update_hwleveling_output(u32 base, const struct emif_regs *regs)
 	u32 *emif_ext_phy_ctrl_reg, *emif_phy_status;
 	u32 reg, i, phy;
 
-	emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[7];
+	emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[6];
 	phy = readl(&emif->emif_ddr_phy_ctrl_1);
 
 	/* Update PHY_REG_RDDQS_RATIO */
@@ -269,7 +269,7 @@ static void update_hwleveling_output(u32 base, const struct emif_regs *regs)
 
 	/* Update PHY_REG_FIFO_WE_SLAVE_RATIO */
 	emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_2;
-	emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[12];
+	emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[11];
 	if (!(phy & EMIF_DDR_PHY_CTRL_1_RDLVLGATE_MASK_MASK))
 		for (i = 0; i < PHY_FIFO_WE_SLAVE_RATIO_REGS; i++) {
 			reg = readl(emif_phy_status++);
@@ -279,7 +279,7 @@ static void update_hwleveling_output(u32 base, const struct emif_regs *regs)
 
 	/* Update PHY_REG_WR_DQ/DQS_SLAVE_RATIO */
 	emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_12;
-	emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[17];
+	emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[16];
 	if (!(phy & EMIF_DDR_PHY_CTRL_1_WRLVL_MASK_MASK))
 		for (i = 0; i < PHY_REG_WR_DQ_SLAVE_RATIO_REGS; i++) {
 			reg = readl(emif_phy_status++);