#include <fsl_ddr_sdram.h>
#include <fsl_ddr_dimm_params.h>
#include <asm/fsl_law.h>
+#include <asm/mpc85xx_gpio.h>
DECLARE_GLOBAL_DATA_PTR;
* num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
* ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
*/
- {2, 833, 0, 4, 6, 0x06060607, 0x08080807,},
- {2, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09,},
- {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
- {1, 833, 0, 4, 6, 0x06060607, 0x08080807,},
- {1, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09,},
- {1, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
+ {2, 833, 0, 8, 6, 0x06060607, 0x08080807,},
+ {2, 1350, 0, 8, 7, 0x0708080A, 0x0A0B0C09,},
+ {2, 1666, 0, 8, 7, 0x0808090B, 0x0C0D0E0A,},
+ {1, 833, 0, 8, 6, 0x06060607, 0x08080807,},
+ {1, 1350, 0, 8, 7, 0x0708080A, 0x0A0B0C09,},
+ {1, 1666, 0, 8, 7, 0x0808090B, 0x0C0D0E0A,},
{}
};
/* for DDR bus 32bit test on T1024 */
popts->data_bus_width = DDR_DATA_BUS_WIDTH_32;
#endif
+
+#ifdef CONFIG_T1023RDB
+ popts->wrlvl_ctl_2 = 0x07070606;
+ popts->half_strength_driver_enable = 1;
+#endif
}
+#ifdef CONFIG_SYS_DDR_RAW_TIMING
+/* 2GB discrete DDR4 MT40A512M8HX on T1023RDB */
+dimm_params_t ddr_raw_timing = {
+ .n_ranks = 1,
+ .rank_density = 0x80000000,
+ .capacity = 0x80000000,
+ .primary_sdram_width = 32,
+ .ec_sdram_width = 8,
+ .registered_dimm = 0,
+ .mirrored_dimm = 0,
+ .n_row_addr = 15,
+ .n_col_addr = 10,
+ .bank_addr_bits = 2,
+ .bank_group_bits = 2,
+ .edc_config = 0,
+ .burst_lengths_bitmask = 0x0c,
+ .tckmin_x_ps = 938,
+ .tckmax_ps = 1500,
+ .caslat_x = 0x000DFA00,
+ .taa_ps = 13500,
+ .trcd_ps = 13500,
+ .trp_ps = 13500,
+ .tras_ps = 33000,
+ .trc_ps = 46500,
+ .trfc1_ps = 260000,
+ .trfc2_ps = 160000,
+ .trfc4_ps = 110000,
+ .tfaw_ps = 25000,
+ .trrds_ps = 3700,
+ .trrdl_ps = 5300,
+ .tccdl_ps = 5355,
+ .refresh_rate_ps = 7800000,
+ .dq_mapping[0] = 0x0,
+ .dq_mapping[1] = 0x0,
+ .dq_mapping[2] = 0x0,
+ .dq_mapping[3] = 0x0,
+ .dq_mapping[4] = 0x0,
+ .dq_mapping[5] = 0x0,
+ .dq_mapping[6] = 0x0,
+ .dq_mapping[7] = 0x0,
+ .dq_mapping[8] = 0x0,
+ .dq_mapping[9] = 0x0,
+ .dq_mapping[10] = 0x0,
+ .dq_mapping[11] = 0x0,
+ .dq_mapping[12] = 0x0,
+ .dq_mapping[13] = 0x0,
+ .dq_mapping[14] = 0x0,
+ .dq_mapping[15] = 0x0,
+ .dq_mapping[16] = 0x0,
+ .dq_mapping[17] = 0x0,
+ .dq_mapping_ors = 1,
+};
+
+int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
+ unsigned int controller_number,
+ unsigned int dimm_number)
+{
+ const char dimm_model[] = "Fixed DDR4 on board";
+
+ if (((controller_number == 0) && (dimm_number == 0)) ||
+ ((controller_number == 1) && (dimm_number == 0))) {
+ memcpy(pdimm, &ddr_raw_timing, sizeof(dimm_params_t));
+ memset(pdimm->mpart, 0, sizeof(pdimm->mpart));
+ memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
+ }
+
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_DEEP_SLEEP)
+void board_mem_sleep_setup(void)
+{
+ void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE;
+
+ /* does not provide HW signals for power management */
+ clrbits_8(cpld_base + 0x17, 0x40);
+ /* Disable MCKE isolation */
+ gpio_set_value(2, 0);
+ udelay(1);
+}
+#endif
+
phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
+#ifndef CONFIG_SYS_DDR_RAW_TIMING
puts("Initializing....using SPD\n");
-
+#endif
dram_size = fsl_ddr_sdram();
- dram_size = setup_ddr_tlbs(dram_size / 0x100000);
- dram_size *= 0x100000;
#else
/* DDR has been initialised by first stage boot loader */
dram_size = fsl_ddr_sdram_size();
#endif
+ dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+ dram_size *= 0x100000;
+
+#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
+ fsl_dp_resume();
+#endif
+
return dram_size;
}