diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index bb37cf314a..0683b9f74d 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -123,11 +123,13 @@ void emif_reset_phy(u32 base) static void do_lpddr2_init(u32 base, u32 cs) { u32 mr_addr; + const struct lpddr2_mr_regs *mr_regs; + get_lpddr2_mr_regs(&mr_regs); /* Wait till device auto initialization is complete */ while (get_mr(base, cs, LPDDR2_MR0) & LPDDR2_MR0_DAI_MASK) ; - set_mr(base, cs, LPDDR2_MR10, MR10_ZQ_ZQINIT); + set_mr(base, cs, LPDDR2_MR10, mr_regs->mr10); /* * tZQINIT = 1 us * Enough loops assuming a maximum of 2GHz @@ -135,22 +137,18 @@ static void do_lpddr2_init(u32 base, u32 cs) sdelay(2000); - if (omap_revision() >= OMAP5430_ES1_0) - set_mr(base, cs, LPDDR2_MR1, MR1_BL_8_BT_SEQ_WRAP_EN_NWR_8); - else - set_mr(base, cs, LPDDR2_MR1, MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3); - - set_mr(base, cs, LPDDR2_MR16, MR16_REF_FULL_ARRAY); + set_mr(base, cs, LPDDR2_MR1, mr_regs->mr1); + set_mr(base, cs, LPDDR2_MR16, mr_regs->mr16); /* * Enable refresh along with writing MR2 * Encoding of RL in MR2 is (RL - 2) */ mr_addr = LPDDR2_MR2 | EMIF_REG_REFRESH_EN_MASK; - set_mr(base, cs, mr_addr, RL_FINAL - 2); + set_mr(base, cs, mr_addr, mr_regs->mr2); - if (omap_revision() >= OMAP5430_ES1_0) - set_mr(base, cs, LPDDR2_MR3, 0x1); + if (mr_regs->mr3 > 0) + set_mr(base, cs, LPDDR2_MR3, mr_regs->mr3); } static void lpddr2_init(u32 base, const struct emif_regs *regs) @@ -268,9 +266,6 @@ static void ddr3_leveling(u32 base, const struct emif_regs *regs) static void ddr3_init(u32 base, const struct emif_regs *regs) { struct emif_reg_struct *emif = (struct emif_reg_struct *)base; - u32 *ext_phy_ctrl_base = 0; - u32 *emif_ext_phy_ctrl_base = 0; - u32 i = 0; /* * Set SDRAM_CONFIG and PHY control registers to locked frequency @@ -290,27 +285,7 @@ static void ddr3_init(u32 base, const struct emif_regs *regs) writel(regs->ref_ctrl, &emif->emif_sdram_ref_ctrl); writel(regs->read_idle_ctrl, &emif->emif_read_idlectrl); - ext_phy_ctrl_base = (u32 *) &(regs->emif_ddr_ext_phy_ctrl_1); - emif_ext_phy_ctrl_base = (u32 *) &(emif->emif_ddr_ext_phy_ctrl_1); - - /* Configure external phy control timing registers */ - for (i = 0; i < EMIF_EXT_PHY_CTRL_TIMING_REG; i++) { - writel(*ext_phy_ctrl_base, emif_ext_phy_ctrl_base++); - /* Update shadow registers */ - writel(*ext_phy_ctrl_base++, emif_ext_phy_ctrl_base++); - } - - /* - * external phy 6-24 registers do not change with - * ddr frequency - */ - for (i = 0; i < EMIF_EXT_PHY_CTRL_CONST_REG; i++) { - writel(ddr3_ext_phy_ctrl_const_base[i], - emif_ext_phy_ctrl_base++); - /* Update shadow registers */ - writel(ddr3_ext_phy_ctrl_const_base[i], - emif_ext_phy_ctrl_base++); - } + do_ext_phy_settings(base, regs); /* enable leveling */ writel(regs->emif_rd_wr_lvl_rmp_ctl, &emif->emif_rd_wr_lvl_rmp_ctl); @@ -1109,9 +1084,6 @@ void emif_post_init_config(u32 base) struct emif_reg_struct *emif = (struct emif_reg_struct *)base; u32 omap_rev = omap_revision(); - if (omap_rev == OMAP5430_ES1_0) - return; - /* reset phy on ES2.0 */ if (omap_rev == OMAP4430_ES2_0) emif_reset_phy(base); diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c index b9128faa56..01da790e3b 100644 --- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c +++ b/arch/arm/cpu/armv7/omap4/sdram_elpida.c @@ -90,9 +90,6 @@ const struct emif_regs emif_regs_elpida_400_mhz_2cs = { .emif_ddr_phy_ctlr_1 = 0x049ff418 }; -/* Dummy registers for OMAP44xx */ -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, .dmm_lisa_map_1 = 0, @@ -284,3 +281,16 @@ void emif_get_device_timings(u32 emif_nr, __attribute__((weak, alias("emif_get_device_timings_sdp"))); #endif /* CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS */ + +const struct lpddr2_mr_regs mr_regs = { + .mr1 = MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3, + .mr2 = 0x4, + .mr3 = -1, + .mr10 = MR10_ZQ_ZQINIT, + .mr16 = MR16_REF_FULL_ARRAY +}; + +void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs) +{ + *regs = &mr_regs; +} diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 6ebdf5fbfd..687800facc 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -116,57 +116,20 @@ const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .dmm_lisa_map_3 = 0xFF020100 }; -const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { - 0x01004010, - 0x00001004, - 0x04010040, - 0x01004010, - 0x00001004, - 0x00000000, - 0x00000000, - 0x00000000, - 0x80080080, - 0x00800800, - 0x08102040, - 0x00000001, - 0x540A8150, - 0xA81502a0, - 0x002A0540, - 0x00000000, - 0x00000000, - 0x00000000, - 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) { - if (omap_revision() == OMAP5432_ES1_0) - *regs = &emif_regs_ddr3_532_mhz_1cs; - else + switch (omap_revision()) { + case OMAP5430_ES1_0: *regs = &emif_regs_532_mhz_2cs; + break; + case OMAP5432_ES1_0: + *regs = &emif_regs_ddr3_532_mhz_1cs; + break; + default: + *regs = &emif_regs_ddr3_532_mhz_1cs; + } } + void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) __attribute__((weak, alias("emif_get_reg_dump_sdp"))); @@ -178,7 +141,6 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) __attribute__((weak, alias("emif_get_dmm_regs_sdp"))); - #else static const struct lpddr2_device_details dev_4G_S4_details = { @@ -204,10 +166,82 @@ void emif_get_device_details(u32 emif_nr, #endif /* CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS */ +const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { + 0x01004010, + 0x00001004, + 0x04010040, + 0x01004010, + 0x00001004, + 0x00000000, + 0x00000000, + 0x00000000, + 0x80080080, + 0x00800800, + 0x08102040, + 0x00000001, + 0x540A8150, + 0xA81502a0, + 0x002A0540, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000077 +}; + +const u32 ddr3_ext_phy_ctrl_const_base_es1[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 +}; + +const struct lpddr2_mr_regs mr_regs = { + .mr1 = MR1_BL_8_BT_SEQ_WRAP_EN_NWR_8, + .mr2 = 0x6, + .mr3 = 0x1, + .mr10 = MR10_ZQ_ZQINIT, + .mr16 = MR16_REF_FULL_ARRAY +}; + +static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs) +{ + switch (omap_revision()) { + case OMAP5430_ES1_0: + *regs = ext_phy_ctrl_const_base; + break; + case OMAP5432_ES1_0: + *regs = ddr3_ext_phy_ctrl_const_base_es1; + break; + default: + *regs = ddr3_ext_phy_ctrl_const_base_es1; + } +} + +void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs) +{ + *regs = &mr_regs; +} + void do_ext_phy_settings(u32 base, const struct emif_regs *regs) { u32 *ext_phy_ctrl_base = 0; u32 *emif_ext_phy_ctrl_base = 0; + const u32 *ext_phy_ctrl_const_regs; u32 i = 0; struct emif_reg_struct *emif = (struct emif_reg_struct *)base; @@ -226,12 +260,13 @@ void do_ext_phy_settings(u32 base, const struct emif_regs *regs) * external phy 6-24 registers do not change with * ddr frequency */ + emif_get_ext_phy_ctrl_const_regs(&ext_phy_ctrl_const_regs); for (i = 0; i < EMIF_EXT_PHY_CTRL_CONST_REG; i++) { - writel(ext_phy_ctrl_const_base[i], - emif_ext_phy_ctrl_base++); + writel(ext_phy_ctrl_const_regs[i], + emif_ext_phy_ctrl_base++); /* Update shadow registers */ - writel(ext_phy_ctrl_const_base[i], - emif_ext_phy_ctrl_base++); + writel(ext_phy_ctrl_const_regs[i], + emif_ext_phy_ctrl_base++); } } diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index 0824a80d06..fd530bb26a 100644 --- a/arch/arm/include/asm/emif.h +++ b/arch/arm/include/asm/emif.h @@ -698,9 +698,6 @@ struct dmm_lisa_map_regs { u32 dmm_lisa_map_3; }; -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 /* The maximum frequency at which the LPDDR2 interface can operate in Hz*/ @@ -1134,6 +1131,14 @@ struct emif_regs { u32 emif_rd_wr_exec_thresh; }; +struct lpddr2_mr_regs { + s8 mr1; + s8 mr2; + s8 mr3; + s8 mr10; + s8 mr16; +}; + /* assert macros */ #if defined(DEBUG) #define emif_assert(c) ({ if (!(c)) for (;;); }) @@ -1153,6 +1158,7 @@ void emif_get_device_timings(u32 emif_nr, #endif void do_ext_phy_settings(u32 base, const struct emif_regs *regs); +void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs); #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS extern u32 *const T_num;