From: Sricharan R r.sricharan@ti.com
DRA7 EVM board has the below configuration. Adding the settings for the same here.
2Gb_1_35V_DDR3L part * 2 on EMIF1 2Gb_1_35V_DDR3L part * 4 on EMIF2
Signed-off-by: Sricharan R r.sricharan@ti.com Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- arch/arm/cpu/armv7/omap-common/emif-common.c | 26 +++- arch/arm/cpu/armv7/omap5/hw_data.c | 21 +++- arch/arm/cpu/armv7/omap5/hwinit.c | 19 +-- arch/arm/cpu/armv7/omap5/prcm-regs.c | 1 + arch/arm/cpu/armv7/omap5/sdram.c | 170 ++++++++++++++++++++++++-- arch/arm/include/asm/arch-omap5/omap.h | 1 + arch/arm/include/asm/emif.h | 12 +- arch/arm/include/asm/omap_common.h | 1 + 8 files changed, 220 insertions(+), 31 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 11e830a..f925e82 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -209,7 +209,8 @@ void emif_update_timings(u32 base, const struct emif_regs *regs) writel(regs->temp_alert_config, &emif->emif_temp_alert_config); writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1_shdw);
- if (omap_revision() >= OMAP5430_ES1_0) { + if ((omap_revision() >= OMAP5430_ES1_0) || + (omap_revision() == DRA752_ES1_0)) { writel(EMIF_L3_CONFIG_VAL_SYS_10_MPU_5_LL_0, &emif->emif_l3_config); } else if (omap_revision() >= OMAP4460_ES1_0) { @@ -263,6 +264,18 @@ static void ddr3_leveling(u32 base, const struct emif_regs *regs) __udelay(130); }
+static void ddr3_sw_leveling(u32 base, const struct emif_regs *regs) +{ + struct emif_reg_struct *emif = (struct emif_reg_struct *)base; + + writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1); + writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1_shdw); + config_data_eye_leveling_samples(base); + + writel(regs->emif_rd_wr_lvl_ctl, &emif->emif_rd_wr_lvl_ctl); + writel(regs->sdram_config, &emif->emif_sdram_config); +} + static void ddr3_init(u32 base, const struct emif_regs *regs) { struct emif_reg_struct *emif = (struct emif_reg_struct *)base; @@ -273,6 +286,7 @@ static void ddr3_init(u32 base, const struct emif_regs *regs) * defined, contents of mode Registers must be fully initialized. * H/W takes care of this initialization */ + writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config); writel(regs->sdram_config_init, &emif->emif_sdram_config);
writel(regs->emif_ddr_phy_ctlr_1_init, &emif->emif_ddr_phy_ctrl_1); @@ -290,7 +304,10 @@ static void ddr3_init(u32 base, const struct emif_regs *regs) /* enable leveling */ writel(regs->emif_rd_wr_lvl_rmp_ctl, &emif->emif_rd_wr_lvl_rmp_ctl);
- ddr3_leveling(base, regs); + if (omap_revision() == DRA752_ES1_0) + ddr3_sw_leveling(base, regs); + else + ddr3_leveling(base, regs); }
#ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS @@ -1078,7 +1095,10 @@ static void do_sdram_init(u32 base) if (warm_reset() && (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3)) { set_lpmode_selfrefresh(base); emif_reset_phy(base); - ddr3_leveling(base, regs); + if (omap_revision() == DRA752_ES1_0) + ddr3_sw_leveling(base, regs); + else + ddr3_leveling(base, regs); }
/* Write to the shadow registers */ diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 8303390..9374c6a 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -602,6 +602,17 @@ const struct ctrl_ioregs ioregs_omap5432_es2 = { .ctrl_emif_sdram_config_ext = SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES, };
+const struct ctrl_ioregs ioregs_dra7xx_es1 = { + .ctrl_ddrch = 0x40404040, + .ctrl_lpddr2ch = 0x40404040, + .ctrl_ddr3ch = 0x80808080, + .ctrl_ddrio_0 = 0xbae8c631, + .ctrl_ddrio_1 = 0xb46318d8, + .ctrl_ddrio_2 = 0x84210000, + .ctrl_emif_sdram_config_ext = 0xb2c00000, + .ctrl_ddr_ctrl_ext_0 = 0xA2000000, +}; + void hw_data_init(void) { u32 omap_rev = omap_revision(); @@ -644,14 +655,16 @@ void get_ioregs(const struct ctrl_ioregs **regs) case OMAP5430_ES1_0: case OMAP5430_ES2_0: *regs = &ioregs_omap5430; - break; + break; case OMAP5432_ES1_0: *regs = &ioregs_omap5432_es1; - break; + break; case OMAP5432_ES2_0: - case DRA752_ES1_0: *regs = &ioregs_omap5432_es2; - break; + break; + case DRA752_ES1_0: + *regs = &ioregs_dra7xx_es1; + break;
default: printf("\n INVALID OMAP REVISION "); diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index 784aa11..50a938c 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -100,16 +100,21 @@ static void io_settings_ddr3(void) writel(ioregs->ctrl_emif_sdram_config_ext, (*ctrl)->control_emif2_sdram_config_ext);
- /* Disable DLL select */ - io_settings = (readl((*ctrl)->control_port_emif1_sdram_config) + if (is_omap54xx()) { + /* Disable DLL select */ + io_settings = (readl((*ctrl)->control_port_emif1_sdram_config) & 0xFFEFFFFF); - writel(io_settings, - (*ctrl)->control_port_emif1_sdram_config); + writel(io_settings, + (*ctrl)->control_port_emif1_sdram_config);
- io_settings = (readl((*ctrl)->control_port_emif2_sdram_config) + io_settings = (readl((*ctrl)->control_port_emif2_sdram_config) & 0xFFEFFFFF); - writel(io_settings, - (*ctrl)->control_port_emif2_sdram_config); + writel(io_settings, + (*ctrl)->control_port_emif2_sdram_config); + } else { + writel(ioregs->ctrl_ddr_ctrl_ext_0, + (*ctrl)->control_ddr_control_ext_0); + } }
/* diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index fdf204f..331117c 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -436,6 +436,7 @@ struct omap_sys_ctrl_regs const dra7xx_ctrl = { .control_srcomp_east_side = 0x4A002E7C, .control_srcomp_west_side = 0x4A002E80, .control_srcomp_code_latch = 0x4A002E84, + .control_ddr_control_ext_0 = 0x4A002E88, .control_padconf_core_base = 0x4A003400, .control_port_emif1_sdram_config = 0x4AE0C110, .control_port_emif1_lpddr2_nvm_config = 0x4AE0C114, diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 6b461e4..1b445a6 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -108,6 +108,7 @@ const struct emif_regs emif_regs_266_mhz_2cs = { const struct emif_regs emif_regs_ddr3_532_mhz_1cs = { .sdram_config_init = 0x61851B32, .sdram_config = 0x61851B32, + .sdram_config2 = 0x0, .ref_ctrl = 0x00001035, .sdram_tim1 = 0xCCCF36B3, .sdram_tim2 = 0x308F7FDA, @@ -131,6 +132,7 @@ const struct emif_regs emif_regs_ddr3_532_mhz_1cs = { const struct emif_regs emif_regs_ddr3_532_mhz_1cs_es2 = { .sdram_config_init = 0x61851B32, .sdram_config = 0x61851B32, + .sdram_config2 = 0x0, .ref_ctrl = 0x00001035, .sdram_tim1 = 0xCCCF36B3, .sdram_tim2 = 0x308F7FDA, @@ -151,6 +153,54 @@ const struct emif_regs emif_regs_ddr3_532_mhz_1cs_es2 = { .emif_rd_wr_exec_thresh = 0x40000305 };
+const struct emif_regs emif_1_regs_ddr3_532_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 = 0x0E20400A, + .emif_ddr_phy_ctlr_1 = 0x0E24400A, + .emif_ddr_ext_phy_ctrl_1 = 0x04040100, + .emif_ddr_ext_phy_ctrl_2 = 0x009E009E, + .emif_ddr_ext_phy_ctrl_3 = 0x009E009E, + .emif_ddr_ext_phy_ctrl_4 = 0x009E009E, + .emif_ddr_ext_phy_ctrl_5 = 0x009E009E, + .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 emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = { + .sdram_config_init = 0x61851B32, + .sdram_config = 0x61851B32, + .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 = 0x0020400A, + .emif_ddr_phy_ctlr_1 = 0x0E24400A, + .emif_ddr_ext_phy_ctrl_1 = 0x04040100, + .emif_ddr_ext_phy_ctrl_2 = 0x009D009D, + .emif_ddr_ext_phy_ctrl_3 = 0x009D009D, + .emif_ddr_ext_phy_ctrl_4 = 0x009D009D, + .emif_ddr_ext_phy_ctrl_5 = 0x009D009D, + .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, @@ -159,11 +209,39 @@ const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .is_ma_present = 0x1 };
-const struct dmm_lisa_map_regs lisa_map_512M_x_1 = { +/* + * DRA752 EVM board has 1.5 GB of memory + * EMIF1 --> 2Gb * 2 = 512MB + * EMIF2 --> 2Gb * 4 = 1GB + * so mapping 1GB interleaved and 512MB non-interleaved + */ +const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2_2G_x_1_x_2 = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x80640300, + .dmm_lisa_map_2 = 0xC0500220, + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +/* + * DRA752 EVM EMIF1 ONLY CONFIGURATION + */ +const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = { .dmm_lisa_map_0 = 0x0, .dmm_lisa_map_1 = 0x0, - .dmm_lisa_map_2 = 0x0, - .dmm_lisa_map_3 = 0x80500100, + .dmm_lisa_map_2 = 0x80500100, + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +/* + * DRA752 EVM EMIF2 ONLY CONFIGURATION + */ +const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x0, + .dmm_lisa_map_2 = 0x80600200, + .dmm_lisa_map_3 = 0xFF020100, .is_ma_present = 0x1 };
@@ -180,9 +258,20 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) *regs = &emif_regs_532_mhz_2cs_es2; break; case OMAP5432_ES2_0: + *regs = &emif_regs_ddr3_532_mhz_1cs_es2; + break; case DRA752_ES1_0: + switch (emif_nr) { + case 1: + *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; + break; + case 2: + *regs = &emif_2_regs_ddr3_532_mhz_1cs_dra_es1; + break; + } + break; default: - *regs = &emif_regs_ddr3_532_mhz_1cs_es2; + *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; } }
@@ -201,7 +290,7 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs break; case DRA752_ES1_0: default: - *dmm_lisa_regs = &lisa_map_512M_x_1; + *dmm_lisa_regs = &lisa_map_2G_x_2_x_2_2G_x_1_x_2; }
} @@ -252,7 +341,8 @@ const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000077 + 0x00000077, + 0x0 };
const u32 ddr3_ext_phy_ctrl_const_base_es1[EMIF_EXT_PHY_CTRL_CONST_REG] = { @@ -274,7 +364,8 @@ const u32 ddr3_ext_phy_ctrl_const_base_es1[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000057 + 0x00000057, + 0x0 };
const u32 ddr3_ext_phy_ctrl_const_base_es2[EMIF_EXT_PHY_CTRL_CONST_REG] = { @@ -296,7 +387,56 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000057 + 0x00000057, + 0x0 +}; + +const u32 +dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[EMIF_EXT_PHY_CTRL_CONST_REG] = { + 0x009E009E, + 0x002E002E, + 0x002E002E, + 0x002E002E, + 0x002E002E, + 0x002E002E, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x0, + 0x600020, + 0x40010080, + 0x8102040 +}; + +const u32 +dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[EMIF_EXT_PHY_CTRL_CONST_REG] = { + 0x009D009D, + 0x002D002D, + 0x002D002D, + 0x002D002D, + 0x002D002D, + 0x002D002D, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x0, + 0x600020, + 0x40010080, + 0x8102040 };
const struct lpddr2_mr_regs mr_regs = { @@ -307,7 +447,7 @@ const struct lpddr2_mr_regs mr_regs = { .mr16 = MR16_REF_FULL_ARRAY };
-static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs) +static void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 **regs) { switch (omap_revision()) { case OMAP5430_ES1_0: @@ -318,7 +458,14 @@ static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs) *regs = ddr3_ext_phy_ctrl_const_base_es1; break; case OMAP5432_ES2_0: + *regs = ddr3_ext_phy_ctrl_const_base_es2; + break; case DRA752_ES1_0: + if (emif_nr == 1) + *regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif1; + else + *regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif2; + break; default: *regs = ddr3_ext_phy_ctrl_const_base_es2;
@@ -334,9 +481,12 @@ 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; + u32 emif_nr; const u32 *ext_phy_ctrl_const_regs; u32 i = 0;
+ emif_nr = (base == EMIF1_BASE) ? 1 : 2; + struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
ext_phy_ctrl_base = (u32 *) &(regs->emif_ddr_ext_phy_ctrl_1); @@ -353,7 +503,7 @@ 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); + emif_get_ext_phy_ctrl_const_regs(emif_nr, &ext_phy_ctrl_const_regs); for (i = 0; i < EMIF_EXT_PHY_CTRL_CONST_REG; i++) { writel(ext_phy_ctrl_const_regs[i], emif_ext_phy_ctrl_base++); diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index 63378fb..e7d79fc 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -191,6 +191,7 @@ struct ctrl_ioregs { u32 ctrl_ddrio_1; u32 ctrl_ddrio_2; u32 ctrl_emif_sdram_config_ext; + u32 ctrl_ddr_ctrl_ext_0; }; #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index 5f11d7b..1b94a99 100644 --- a/arch/arm/include/asm/emif.h +++ b/arch/arm/include/asm/emif.h @@ -581,7 +581,7 @@ (0xFF << EMIF_SYS_ADDR_SHIFT))
#define EMIF_EXT_PHY_CTRL_TIMING_REG 0x5 -#define EMIF_EXT_PHY_CTRL_CONST_REG 0x13 +#define EMIF_EXT_PHY_CTRL_CONST_REG 0x14
/* Reg mapping structure */ struct emif_reg_struct { @@ -855,13 +855,10 @@ struct dmm_lisa_map_regs { #define DPD_ENABLE 1
/* Maximum delay before Low Power Modes */ -#ifndef CONFIG_OMAP54XX -#define REG_CS_TIM 0xF -#else #define REG_CS_TIM 0x0 -#endif -#define REG_SR_TIM 0xF -#define REG_PD_TIM 0xF +#define REG_SR_TIM 0x0 +#define REG_PD_TIM 0x0 +
/* EMIF_PWR_MGMT_CTRL register */ #define EMIF_PWR_MGMT_CTRL (\ @@ -1113,6 +1110,7 @@ struct emif_regs { u32 freq; u32 sdram_config_init; u32 sdram_config; + u32 sdram_config2; u32 ref_ctrl; u32 sdram_tim1; u32 sdram_tim2; diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index 86ddd65..fa28358 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -396,6 +396,7 @@ struct omap_sys_ctrl_regs { u32 control_ddrio_0; u32 control_ddrio_1; u32 control_ddrio_2; + u32 control_ddr_control_ext_0; u32 control_lpddr2io1_0; u32 control_lpddr2io1_1; u32 control_lpddr2io1_2;