ARM: DRA72: DDR3: Add emif settings for 666MHz clock
On DRA72x, EMIF supports DDR3 upto 667MHz.
Adding the required settings for DDR3 at 666MHz and enabling it.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 9105121..065199b 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -185,6 +185,30 @@
.emif_rd_wr_exec_thresh = 0x00000305
};
+const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
+ .sdram_config_init = 0x61851AB2,
+ .sdram_config = 0x61851AB2,
+ .sdram_config2 = 0x08000000,
+ .ref_ctrl = 0x00001035,
+ .sdram_tim1 = 0xCCCF36B3,
+ .sdram_tim2 = 0x308F7FDA,
+ .sdram_tim3 = 0x027F88A8,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x0007190B,
+ .temp_alert_config = 0x00000000,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400A,
+ .emif_ddr_phy_ctlr_1 = 0x0024400A,
+ .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00A400A4,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00A900A9,
+ .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0,
+ .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0,
+ .emif_rd_wr_lvl_rmp_win = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_ctl = 0x00000000,
+ .emif_rd_wr_exec_thresh = 0x00000305
+};
+
const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = {
.dmm_lisa_map_0 = 0x0,
.dmm_lisa_map_1 = 0x0,
@@ -267,6 +291,8 @@
}
break;
case DRA722_ES1_0:
+ *regs = &emif_1_regs_ddr3_666_mhz_1cs_dra_es1;
+ break;
default:
*regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1;
}
@@ -450,6 +476,35 @@
0x0
};
+const u32
+dra_ddr3_ext_phy_ctrl_const_base_666MHz[] = {
+ 0x00A400A4,
+ 0x00390039,
+ 0x00320032,
+ 0x00320032,
+ 0x00320032,
+ 0x00440044,
+ 0x00550055,
+ 0x00550055,
+ 0x00550055,
+ 0x00550055,
+ 0x007F007F,
+ 0x004D004D,
+ 0x00430043,
+ 0x00560056,
+ 0x00540054,
+ 0x00600060,
+ 0x0,
+ 0x00600020,
+ 0x40010080,
+ 0x08102040,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0,
+ 0x0
+};
+
const struct lpddr2_mr_regs mr_regs = {
.mr1 = MR1_BL_8_BT_SEQ_WRAP_EN_NWR_8,
.mr2 = 0x6,
@@ -478,7 +533,6 @@
break;
case DRA752_ES1_0:
case DRA752_ES1_1:
- case DRA722_ES1_0:
if (emif_nr == 1) {
*regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif1;
*size =
@@ -489,6 +543,10 @@
ARRAY_SIZE(dra_ddr3_ext_phy_ctrl_const_base_es1_emif2);
}
break;
+ case DRA722_ES1_0:
+ *regs = dra_ddr3_ext_phy_ctrl_const_base_666MHz;
+ *size = ARRAY_SIZE(dra_ddr3_ext_phy_ctrl_const_base_666MHz);
+ break;
default:
*regs = ddr3_ext_phy_ctrl_const_base_es2;
*size = ARRAY_SIZE(ddr3_ext_phy_ctrl_const_base_es2);