X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fomap5%2Fsdram.c;h=e65c1160e21705bc62bbf8192734395b25dc0236;hb=5b9c79a81db80c3f9e50c77477957cd803429af8;hp=817f933eda956b02eed36b68d3fc1ac661e7f171;hpb=43037d76316db1a53be16a4c1ed97203257fa4ee;p=u-boot diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 817f933eda..e65c1160e2 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -8,23 +8,7 @@ * Aneesh V * Sricharan R * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -67,6 +51,25 @@ const struct emif_regs emif_regs_532_mhz_2cs = { .emif_ddr_ext_phy_ctrl_5 = 0x04010040 }; +const struct emif_regs emif_regs_532_mhz_2cs_es2 = { + .sdram_config_init = 0x80800EBA, + .sdram_config = 0x808022BA, + .ref_ctrl = 0x0000081A, + .sdram_tim1 = 0x772F6873, + .sdram_tim2 = 0x304a129a, + .sdram_tim3 = 0x02f7e45f, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x100b3215, + .temp_alert_config = 0x08000a05, + .emif_ddr_phy_ctlr_1_init = 0x0E30400d, + .emif_ddr_phy_ctlr_1 = 0x0E30400d, + .emif_ddr_ext_phy_ctrl_1 = 0x04020080, + .emif_ddr_ext_phy_ctrl_2 = 0x28C518A3, + .emif_ddr_ext_phy_ctrl_3 = 0x518A3146, + .emif_ddr_ext_phy_ctrl_4 = 0x0014628C, + .emif_ddr_ext_phy_ctrl_5 = 0xC330CC33, +}; + const struct emif_regs emif_regs_266_mhz_2cs = { .sdram_config_init = 0x80800EBA, .sdram_config = 0x808022BA, @@ -89,6 +92,7 @@ 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, @@ -109,13 +113,199 @@ const struct emif_regs emif_regs_ddr3_532_mhz_1cs = { .emif_rd_wr_exec_thresh = 0x00000305 }; +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, + .sdram_tim3 = 0x027F88A8, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x1007190B, + .temp_alert_config = 0x00000000, + .emif_ddr_phy_ctlr_1_init = 0x0030400A, + .emif_ddr_phy_ctlr_1 = 0x0034400A, + .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 = 0x4350D435, + .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 = 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, .dmm_lisa_map_2 = 0x80740300, - .dmm_lisa_map_3 = 0xFF020100 + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +/* + * 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 = 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 }; +static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) +{ + 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; + case OMAP5430_ES2_0: + *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_1_regs_ddr3_532_mhz_1cs_dra_es1; + } +} + +void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) + __attribute__((weak, alias("emif_get_reg_dump_sdp"))); + +static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs + **dmm_lisa_regs) +{ + switch (omap_revision()) { + case OMAP5430_ES1_0: + case OMAP5430_ES2_0: + case OMAP5432_ES1_0: + case OMAP5432_ES2_0: + *dmm_lisa_regs = &lisa_map_4G_x_2_x_2; + break; + case DRA752_ES1_0: + default: + *dmm_lisa_regs = &lisa_map_2G_x_2_x_2_2G_x_1_x_2; + } + +} + +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 = { + .type = LPDDR2_TYPE_S4, + .density = LPDDR2_DENSITY_4Gb, + .io_width = LPDDR2_IO_WIDTH_32, + .manufacturer = LPDDR2_MANUFACTURER_SAMSUNG +}; + +static void emif_get_device_details_sdp(u32 emif_nr, + struct lpddr2_device_details *cs0_device_details, + struct lpddr2_device_details *cs1_device_details) +{ + /* EMIF1 & EMIF2 have identical configuration */ + *cs0_device_details = dev_4G_S4_details; + *cs1_device_details = dev_4G_S4_details; +} + +void emif_get_device_details(u32 emif_nr, + struct lpddr2_device_details *cs0_device_details, + struct lpddr2_device_details *cs1_device_details) + __attribute__((weak, alias("emif_get_device_details_sdp"))); + +#endif /* CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS */ + const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x01004010, 0x00001004, @@ -135,10 +325,11 @@ 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[EMIF_EXT_PHY_CTRL_CONST_REG] = { +const u32 ddr3_ext_phy_ctrl_const_base_es1[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x01004010, 0x00001004, 0x04010040, @@ -157,52 +348,154 @@ const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000057 + 0x00000057, + 0x0 }; -static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) +const u32 ddr3_ext_phy_ctrl_const_base_es2[EMIF_EXT_PHY_CTRL_CONST_REG] = { + 0x50D4350D, + 0x00000D43, + 0x04010040, + 0x01004010, + 0x00001004, + 0x00000000, + 0x00000000, + 0x00000000, + 0x80080080, + 0x00800800, + 0x08102040, + 0x00000002, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 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 = { + .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(u32 emif_nr, const u32 **regs) { - if (omap_revision() == OMAP5432_ES1_0) - *regs = &emif_regs_ddr3_532_mhz_1cs; - else - *regs = &emif_regs_532_mhz_2cs; + switch (omap_revision()) { + case OMAP5430_ES1_0: + case OMAP5430_ES2_0: + *regs = ext_phy_ctrl_const_base; + break; + case OMAP5432_ES1_0: + *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; + + } } -void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) - __attribute__((weak, alias("emif_get_reg_dump_sdp"))); -static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs - **dmm_lisa_regs) +void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs) { - *dmm_lisa_regs = &lisa_map_4G_x_2_x_2; + *regs = &mr_regs; } -void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) - __attribute__((weak, alias("emif_get_dmm_regs_sdp"))); +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; -#else + emif_nr = (base == EMIF1_BASE) ? 1 : 2; -static const struct lpddr2_device_details dev_4G_S4_details = { - .type = LPDDR2_TYPE_S4, - .density = LPDDR2_DENSITY_4Gb, - .io_width = LPDDR2_IO_WIDTH_32, - .manufacturer = LPDDR2_MANUFACTURER_SAMSUNG -}; + struct emif_reg_struct *emif = (struct emif_reg_struct *)base; -static void emif_get_device_details_sdp(u32 emif_nr, - struct lpddr2_device_details *cs0_device_details, - struct lpddr2_device_details *cs1_device_details) -{ - /* EMIF1 & EMIF2 have identical configuration */ - *cs0_device_details = dev_4G_S4_details; - *cs1_device_details = dev_4G_S4_details; -} + 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); -void emif_get_device_details(u32 emif_nr, - struct lpddr2_device_details *cs0_device_details, - struct lpddr2_device_details *cs1_device_details) - __attribute__((weak, alias("emif_get_device_details_sdp"))); + /* 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++); + } -#endif /* CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS */ + /* + * external phy 6-24 registers do not change with + * ddr frequency + */ + 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++); + /* Update shadow registers */ + writel(ext_phy_ctrl_const_regs[i], + emif_ext_phy_ctrl_base++); + } +} #ifndef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS static const struct lpddr2_ac_timings timings_jedec_532_mhz = {