OMAP5: ADD precalculated timings for ddr3

Adding precalculated timings for ddr3 with 1cs
adding required registers for ddr3

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

diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c
index b538960..239ad2b 100644 (file)
--- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c
+++ b/arch/arm/cpu/armv7/omap4/sdram_elpida.c
@@ -92,6 +92,7 @@ const struct emif_regs emif_regs_elpida_400_mhz_2cs = {
 
 /* Dummy registers for OMAP44xx */
 const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
+const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
 
 const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = {
        .dmm_lisa_map_0 = 0xFF020100,

diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 368b78b..817f933 100644 (file)
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -86,6 +86,29 @@ const struct emif_regs emif_regs_266_mhz_2cs = {
        .emif_ddr_ext_phy_ctrl_5        = 0x04010040
 };
 
+const struct emif_regs emif_regs_ddr3_532_mhz_1cs = {
+       .sdram_config_init              = 0x61851B32,
+       .sdram_config                   = 0x61851B32,
+       .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       = 0x0020420A,
+       .emif_ddr_phy_ctlr_1            = 0x0024420A,
+       .emif_ddr_ext_phy_ctrl_1        = 0x04040100,
+       .emif_ddr_ext_phy_ctrl_2        = 0x00000000,
+       .emif_ddr_ext_phy_ctrl_3        = 0x00000000,
+       .emif_ddr_ext_phy_ctrl_4        = 0x00000000,
+       .emif_ddr_ext_phy_ctrl_5        = 0x04010040,
+       .emif_rd_wr_lvl_rmp_win         = 0x00000000,
+       .emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
+       .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,
@@ -115,9 +138,34 @@ const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = {
        0x00000077
 };
 
+const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = {
+       0x01004010,
+       0x00001004,
+       0x04010040,
+       0x01004010,
+       0x00001004,
+       0x00000000,
+       0x00000000,
+       0x00000000,
+       0x80080080,
+       0x00800800,
+       0x08102040,
+       0x00000002,
+       0x0,
+       0x0,
+       0x0,
+       0x00000000,
+       0x00000000,
+       0x00000000,
+       0x00000057
+};
+
 static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
 {
-       *regs = &emif_regs_532_mhz_2cs;
+       if (omap_revision() == OMAP5432_ES1_0)
+               *regs = &emif_regs_ddr3_532_mhz_1cs;
+       else
+               *regs = &emif_regs_532_mhz_2cs;
 }
 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
        __attribute__((weak, alias("emif_get_reg_dump_sdp")));

diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index f1e3ad2..5d2649e 100644 (file)
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -650,6 +650,7 @@ struct dmm_lisa_map_regs {
 };
 
 extern const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
+extern const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
 
 #define CS0    0
 #define CS1    1
@@ -1073,6 +1074,10 @@ struct emif_regs {
        u32 emif_ddr_ext_phy_ctrl_3;
        u32 emif_ddr_ext_phy_ctrl_4;
        u32 emif_ddr_ext_phy_ctrl_5;
+       u32 emif_rd_wr_lvl_rmp_win;
+       u32 emif_rd_wr_lvl_rmp_ctl;
+       u32 emif_rd_wr_lvl_ctl;
+       u32 emif_rd_wr_exec_thresh;
 };
 
 /* assert macros */