*
* Aneesh V <aneesh@ti.com>
*
- * 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 <asm/arch/emif.h>
+#include <asm/emif.h>
#include <asm/arch/sys_proto.h>
/*
* - emif_get_device_timings()
*/
-static const struct emif_regs emif_regs_elpida_200_mhz_2cs = {
+#ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
+
+const struct emif_regs emif_regs_elpida_200_mhz_2cs = {
.sdram_config_init = 0x80000eb9,
.sdram_config = 0x80001ab9,
.ref_ctrl = 0x0000030c,
.emif_ddr_phy_ctlr_1 = 0x049ff808
};
-static const struct emif_regs emif_regs_elpida_380_mhz_1cs = {
+const struct emif_regs emif_regs_elpida_380_mhz_1cs = {
.sdram_config_init = 0x80000eb1,
.sdram_config = 0x80001ab1,
.ref_ctrl = 0x000005cd,
.emif_ddr_phy_ctlr_1 = 0x049ff418
};
+const struct emif_regs emif_regs_elpida_400_mhz_1cs = {
+ .sdram_config_init = 0x80800eb2,
+ .sdram_config = 0x80801ab2,
+ .ref_ctrl = 0x00000618,
+ .sdram_tim1 = 0x10eb0662,
+ .sdram_tim2 = 0x20370dd2,
+ .sdram_tim3 = 0x00b1c33f,
+ .read_idle_ctrl = 0x000501ff,
+ .zq_config = 0x500b3215,
+ .temp_alert_config = 0x58016893,
+ .emif_ddr_phy_ctlr_1_init = 0x049ffff5,
+ .emif_ddr_phy_ctlr_1 = 0x049ff418
+};
+
const struct emif_regs emif_regs_elpida_400_mhz_2cs = {
.sdram_config_init = 0x80000eb9,
.sdram_config = 0x80001ab9,
.emif_ddr_phy_ctlr_1_init = 0x049ffff5,
.emif_ddr_phy_ctlr_1 = 0x049ff418
};
+
const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = {
.dmm_lisa_map_0 = 0xFF020100,
.dmm_lisa_map_1 = 0,
.dmm_lisa_map_2 = 0,
- .dmm_lisa_map_3 = 0x80540300
+ .dmm_lisa_map_3 = 0x80540300,
+ .is_ma_present = 0x0
};
const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = {
.dmm_lisa_map_0 = 0xFF020100,
.dmm_lisa_map_1 = 0,
.dmm_lisa_map_2 = 0,
- .dmm_lisa_map_3 = 0x80640300
+ .dmm_lisa_map_3 = 0x80640300,
+ .is_ma_present = 0x0
+};
+
+const struct dmm_lisa_map_regs ma_lisa_map_2G_x_2_x_2 = {
+ .dmm_lisa_map_0 = 0xFF020100,
+ .dmm_lisa_map_1 = 0,
+ .dmm_lisa_map_2 = 0,
+ .dmm_lisa_map_3 = 0x80640300,
+ .is_ma_present = 0x1
};
static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
*regs = &emif_regs_elpida_380_mhz_1cs;
else if (omap4_rev == OMAP4430_ES2_0)
*regs = &emif_regs_elpida_200_mhz_2cs;
- else
+ else if (omap4_rev < OMAP4470_ES1_0)
*regs = &emif_regs_elpida_400_mhz_2cs;
+ else
+ *regs = &emif_regs_elpida_400_mhz_1cs;
}
void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
__attribute__((weak, alias("emif_get_reg_dump_sdp")));
if (omap_rev == OMAP4430_ES1_0)
*dmm_lisa_regs = &lisa_map_2G_x_1_x_2;
- else
+ else if (omap_rev < OMAP4460_ES1_0)
*dmm_lisa_regs = &lisa_map_2G_x_2_x_2;
+ else
+ *dmm_lisa_regs = &ma_lisa_map_2G_x_2_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 elpida_2G_S4_details = {
+ .type = LPDDR2_TYPE_S4,
+ .density = LPDDR2_DENSITY_2Gb,
+ .io_width = LPDDR2_IO_WIDTH_32,
+ .manufacturer = LPDDR2_MANUFACTURER_ELPIDA
+};
+
+static const struct lpddr2_device_details elpida_4G_S4_details = {
+ .type = LPDDR2_TYPE_S4,
+ .density = LPDDR2_DENSITY_4Gb,
+ .io_width = LPDDR2_IO_WIDTH_32,
+ .manufacturer = LPDDR2_MANUFACTURER_ELPIDA
+};
+
+struct lpddr2_device_details *emif_get_device_details_sdp(u32 emif_nr, u8 cs,
+ struct lpddr2_device_details *lpddr2_dev_details)
+{
+ u32 omap_rev = omap_revision();
+
+ /* EMIF1 & EMIF2 have identical configuration */
+ if (((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0))
+ && (cs == CS1)) {
+ /* Nothing connected on CS1 for 4430/4470 ES1.0 */
+ return NULL;
+ } else if (omap_rev < OMAP4470_ES1_0) {
+ /* In all other 4430/4460 cases Elpida 2G device */
+ *lpddr2_dev_details = elpida_2G_S4_details;
+ } else {
+ /* 4470: 4G device */
+ *lpddr2_dev_details = elpida_4G_S4_details;
+ }
+ return lpddr2_dev_details;
+}
+
+struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
+ struct lpddr2_device_details *lpddr2_dev_details)
+ __attribute__((weak, alias("emif_get_device_details_sdp")));
+
+#endif /* CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS */
+
+#ifndef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
+static const struct lpddr2_ac_timings timings_elpida_400_mhz = {
+ .max_freq = 400000000,
+ .RL = 6,
+ .tRPab = 21,
+ .tRCD = 18,
+ .tWR = 15,
+ .tRASmin = 42,
+ .tRRD = 10,
+ .tWTRx2 = 15,
+ .tXSR = 140,
+ .tXPx2 = 15,
+ .tRFCab = 130,
+ .tRTPx2 = 15,
+ .tCKE = 3,
+ .tCKESR = 15,
+ .tZQCS = 90,
+ .tZQCL = 360,
+ .tZQINIT = 1000,
+ .tDQSCKMAXx2 = 11,
+ .tRASmax = 70,
+ .tFAW = 50
+};
+
+static const struct lpddr2_ac_timings timings_elpida_333_mhz = {
+ .max_freq = 333000000,
+ .RL = 5,
+ .tRPab = 21,
+ .tRCD = 18,
+ .tWR = 15,
+ .tRASmin = 42,
+ .tRRD = 10,
+ .tWTRx2 = 15,
+ .tXSR = 140,
+ .tXPx2 = 15,
+ .tRFCab = 130,
+ .tRTPx2 = 15,
+ .tCKE = 3,
+ .tCKESR = 15,
+ .tZQCS = 90,
+ .tZQCL = 360,
+ .tZQINIT = 1000,
+ .tDQSCKMAXx2 = 11,
+ .tRASmax = 70,
+ .tFAW = 50
+};
+
+static const struct lpddr2_ac_timings timings_elpida_200_mhz = {
+ .max_freq = 200000000,
+ .RL = 3,
+ .tRPab = 21,
+ .tRCD = 18,
+ .tWR = 15,
+ .tRASmin = 42,
+ .tRRD = 10,
+ .tWTRx2 = 20,
+ .tXSR = 140,
+ .tXPx2 = 15,
+ .tRFCab = 130,
+ .tRTPx2 = 15,
+ .tCKE = 3,
+ .tCKESR = 15,
+ .tZQCS = 90,
+ .tZQCL = 360,
+ .tZQINIT = 1000,
+ .tDQSCKMAXx2 = 11,
+ .tRASmax = 70,
+ .tFAW = 50
+};
+
+static const struct lpddr2_min_tck min_tck_elpida = {
+ .tRL = 3,
+ .tRP_AB = 3,
+ .tRCD = 3,
+ .tWR = 3,
+ .tRAS_MIN = 3,
+ .tRRD = 2,
+ .tWTR = 2,
+ .tXP = 2,
+ .tRTP = 2,
+ .tCKE = 3,
+ .tCKESR = 3,
+ .tFAW = 8
+};
+
+static const struct lpddr2_ac_timings *elpida_ac_timings[MAX_NUM_SPEEDBINS] = {
+ &timings_elpida_200_mhz,
+ &timings_elpida_333_mhz,
+ &timings_elpida_400_mhz
+};
+
+static const struct lpddr2_device_timings elpida_2G_S4_timings = {
+ .ac_timings = elpida_ac_timings,
+ .min_tck = &min_tck_elpida,
+};
+
+void emif_get_device_timings_sdp(u32 emif_nr,
+ const struct lpddr2_device_timings **cs0_device_timings,
+ const struct lpddr2_device_timings **cs1_device_timings)
+{
+ u32 omap_rev = omap_revision();
+
+ /* Identical devices on EMIF1 & EMIF2 */
+ *cs0_device_timings = &elpida_2G_S4_timings;
+
+ if ((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0))
+ *cs1_device_timings = NULL;
+ else
+ *cs1_device_timings = &elpida_2G_S4_timings;
+}
+
+void emif_get_device_timings(u32 emif_nr,
+ const struct lpddr2_device_timings **cs0_device_timings,
+ const struct lpddr2_device_timings **cs1_device_timings)
+ __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;
+}
+
+__weak const struct read_write_regs *get_bug_regs(u32 *iterations)
+{
+ return 0;
+}