From: Lokesh Vutla Date: Tue, 22 May 2012 00:03:24 +0000 (+0000) Subject: OMAP5: ADD precalculated timings for ddr3 X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=43037d76316db1a53be16a4c1ed97203257fa4ee;p=u-boot.git OMAP5: ADD precalculated timings for ddr3 Adding precalculated timings for ddr3 with 1cs adding required registers for ddr3 Signed-off-by: Lokesh Vutla --- diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c index b5389606b6..239ad2b07c 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 368b78bf49..817f933eda 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 = 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 f1e3ad212e..5d2649e121 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 */