Adding precalculated timings for ddr3 with 1cs
adding required registers for ddr3
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
arch/arm/cpu/armv7/omap4/sdram_elpida.c | 1 +
arch/arm/cpu/armv7/omap5/sdram.c | 50 ++++++++++++++++++++++++++++++-
arch/arm/include/asm/emif.h | 5 +++
3 files changed, 55 insertions(+), 1 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c
b/arch/arm/cpu/armv7/omap4/sdram_elpida.c
index b538960..239ad2b 100644
--- 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 b2b5753..bf7a42e 100644
--- 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 = 0,
@@ -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
--- 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 */
--
1.7.5.4
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