sequencer.c

			if ((end_curr-bgn_curr+1) > win_best) {
				win_best = end_curr-bgn_curr+1;
				bgn_best = bgn_curr;
				end_best = end_curr;
			}
		} else {
			/* We just saw a failing test. Reset temp edge */
			bgn_curr = IO_IO_OUT1_DELAY_MAX + 1;
			end_curr = IO_IO_OUT1_DELAY_MAX + 1;
			}
		}


	/* Reset DM delay chains to 0 */
	scc_mgr_apply_group_dm_out1_delay(0);

	/*
	 * Check to see if the current window nudges up aganist 0 delay.
	 * If so we need to continue the search by shifting DQS otherwise DQS
	 * search begins as a new search. */
	if (end_curr != 0) {
		bgn_curr = IO_IO_OUT1_DELAY_MAX + 1;
		end_curr = IO_IO_OUT1_DELAY_MAX + 1;
	}

	/* Search for the/part of the window with DQS shifts */
	for (d = 0; d <= IO_IO_OUT1_DELAY_MAX - new_dqs; d += DELTA_D) {
		/*
		 * Note: This only shifts DQS, so are we limiting ourselve to
		 * width of DQ unnecessarily.
		 */
		scc_mgr_apply_group_dqs_io_and_oct_out1(write_group,
							d + new_dqs);

		writel(0, &sdr_scc_mgr->update);
		if (rw_mgr_mem_calibrate_write_test(rank_bgn, write_group, 1,
						    PASS_ALL_BITS, &bit_chk,
						    0)) {
			/* USE Set current end of the window */
			end_curr = d;
			/*
			 * If a beginning edge of our window has not been seen
			 * this is our current begin of the DM window.
			 */
			if (bgn_curr == IO_IO_OUT1_DELAY_MAX + 1)
				bgn_curr = d;

			/*
			 * If current window is bigger than best seen. Set best
			 * seen to be current window.
			 */
			if ((end_curr-bgn_curr+1) > win_best) {
				win_best = end_curr-bgn_curr+1;
				bgn_best = bgn_curr;
				end_best = end_curr;
			}
		} else {
			/* We just saw a failing test. Reset temp edge */
			bgn_curr = IO_IO_OUT1_DELAY_MAX + 1;
			end_curr = IO_IO_OUT1_DELAY_MAX + 1;

			/* Early exit optimization: if ther remaining delay
			chain space is less than already seen largest window
			we can exit */
			if ((win_best-1) >
				(IO_IO_OUT1_DELAY_MAX - new_dqs - d)) {
					break;
				}
			}
		}

	/* assign left and right edge for cal and reporting; */
	left_edge[0] = -1*bgn_best;
	right_edge[0] = end_best;

	debug_cond(DLEVEL == 2, "%s:%d dm_calib: left=%d right=%d\n", __func__,
		   __LINE__, left_edge[0], right_edge[0]);

	/* Move DQS (back to orig) */
	scc_mgr_apply_group_dqs_io_and_oct_out1(write_group, new_dqs);

	/* Move DM */

	/* Find middle of window for the DM bit */
	mid = (left_edge[0] - right_edge[0]) / 2;

	/* only move right, since we are not moving DQS/DQ */
	if (mid < 0)
		mid = 0;

	/* dm_marign should fail if we never find a window */
	if (win_best == 0)
		dm_margin = -1;
	else
		dm_margin = left_edge[0] - mid;

	scc_mgr_apply_group_dm_out1_delay(mid);
	writel(0, &sdr_scc_mgr->update);

	debug_cond(DLEVEL == 2, "%s:%d dm_calib: left=%d right=%d mid=%d \
		   dm_margin=%d\n", __func__, __LINE__, left_edge[0],
		   right_edge[0], mid, dm_margin);
	/* Export values */
	gbl->fom_out += dq_margin + dqs_margin;

	debug_cond(DLEVEL == 2, "%s:%d write_center: dq_margin=%d \
		   dqs_margin=%d dm_margin=%d\n", __func__, __LINE__,
		   dq_margin, dqs_margin, dm_margin);

	/*
	 * Do not remove this line as it makes sure all of our
	 * decisions have been applied.
	 */
	writel(0, &sdr_scc_mgr->update);
	return (dq_margin >= 0) && (dqs_margin >= 0) && (dm_margin >= 0);
}

/* calibrate the write operations */
static uint32_t rw_mgr_mem_calibrate_writes(uint32_t rank_bgn, uint32_t g,
	uint32_t test_bgn)
{
	/* update info for sims */
	debug("%s:%d %u %u\n", __func__, __LINE__, g, test_bgn);

	reg_file_set_stage(CAL_STAGE_WRITES);
	reg_file_set_sub_stage(CAL_SUBSTAGE_WRITES_CENTER);

	reg_file_set_group(g);

	if (!rw_mgr_mem_calibrate_writes_center(rank_bgn, g, test_bgn)) {
		set_failing_group_stage(g, CAL_STAGE_WRITES,
					CAL_SUBSTAGE_WRITES_CENTER);
		return 0;
	}

	return 1;
}

/* precharge all banks and activate row 0 in bank "000..." and bank "111..." */
static void mem_precharge_and_activate(void)
{
	uint32_t r;

	for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r++) {
		if (param->skip_ranks[r]) {
			/* request to skip the rank */
			continue;
		}

		/* set rank */
		set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);

		/* precharge all banks ... */
		writel(RW_MGR_PRECHARGE_ALL, SDR_PHYGRP_RWMGRGRP_ADDRESS |
					     RW_MGR_RUN_SINGLE_GROUP_OFFSET);

		writel(0x0F, &sdr_rw_load_mgr_regs->load_cntr0);
		writel(RW_MGR_ACTIVATE_0_AND_1_WAIT1,
			&sdr_rw_load_jump_mgr_regs->load_jump_add0);

		writel(0x0F, &sdr_rw_load_mgr_regs->load_cntr1);
		writel(RW_MGR_ACTIVATE_0_AND_1_WAIT2,
			&sdr_rw_load_jump_mgr_regs->load_jump_add1);

		/* activate rows */
		writel(RW_MGR_ACTIVATE_0_AND_1, SDR_PHYGRP_RWMGRGRP_ADDRESS |
						RW_MGR_RUN_SINGLE_GROUP_OFFSET);
	}
}

/* Configure various memory related parameters. */
static void mem_config(void)
{
	uint32_t rlat, wlat;
	uint32_t rw_wl_nop_cycles;
	uint32_t max_latency;

	debug("%s:%d\n", __func__, __LINE__);
	/* read in write and read latency */
	wlat = readl(&data_mgr->t_wl_add);
	wlat += readl(&data_mgr->mem_t_add);

	/* WL for hard phy does not include additive latency */

	/*
	 * add addtional write latency to offset the address/command extra
	 * clock cycle. We change the AC mux setting causing AC to be delayed
	 * by one mem clock cycle. Only do this for DDR3
	 */
	wlat = wlat + 1;

	rlat = readl(&data_mgr->t_rl_add);

	rw_wl_nop_cycles = wlat - 2;
	gbl->rw_wl_nop_cycles = rw_wl_nop_cycles;

	/*
	 * For AV/CV, lfifo is hardened and always runs at full rate so
	 * max latency in AFI clocks, used here, is correspondingly smaller.
	 */
	max_latency = (1<<MAX_LATENCY_COUNT_WIDTH)/1 - 1;
	/* configure for a burst length of 8 */

	/* write latency */
	/* Adjust Write Latency for Hard PHY */
	wlat = wlat + 1;

	/* set a pretty high read latency initially */
	gbl->curr_read_lat = rlat + 16;

	if (gbl->curr_read_lat > max_latency)
		gbl->curr_read_lat = max_latency;

	writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat);

	/* advertise write latency */
	gbl->curr_write_lat = wlat;
	writel(wlat - 2, &phy_mgr_cfg->afi_wlat);

	/* initialize bit slips */
	mem_precharge_and_activate();
}

/* Set VFIFO and LFIFO to instant-on settings in skip calibration mode */
static void mem_skip_calibrate(void)
{
	uint32_t vfifo_offset;
	uint32_t i, j, r;

	debug("%s:%d\n", __func__, __LINE__);
	/* Need to update every shadow register set used by the interface */
	for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
		r += NUM_RANKS_PER_SHADOW_REG) {
		/*
		 * Set output phase alignment settings appropriate for
		 * skip calibration.
		 */
		for (i = 0; i < RW_MGR_MEM_IF_READ_DQS_WIDTH; i++) {
			scc_mgr_set_dqs_en_phase(i, 0);
#if IO_DLL_CHAIN_LENGTH == 6
			scc_mgr_set_dqdqs_output_phase(i, 6);
#else
			scc_mgr_set_dqdqs_output_phase(i, 7);
#endif
			/*
			 * Case:33398
			 *
			 * Write data arrives to the I/O two cycles before write
			 * latency is reached (720 deg).
			 *   -> due to bit-slip in a/c bus
			 *   -> to allow board skew where dqs is longer than ck
			 *      -> how often can this happen!?
			 *      -> can claim back some ptaps for high freq
			 *       support if we can relax this, but i digress...
			 *
			 * The write_clk leads mem_ck by 90 deg
			 * The minimum ptap of the OPA is 180 deg
			 * Each ptap has (360 / IO_DLL_CHAIN_LENGH) deg of delay
			 * The write_clk is always delayed by 2 ptaps
			 *
			 * Hence, to make DQS aligned to CK, we need to delay
			 * DQS by:
			 *    (720 - 90 - 180 - 2 * (360 / IO_DLL_CHAIN_LENGTH))
			 *
			 * Dividing the above by (360 / IO_DLL_CHAIN_LENGTH)
			 * gives us the number of ptaps, which simplies to:
			 *
			 *    (1.25 * IO_DLL_CHAIN_LENGTH - 2)
			 */
			scc_mgr_set_dqdqs_output_phase(i, (1.25 *
				IO_DLL_CHAIN_LENGTH - 2));
		}
		writel(0xff, &sdr_scc_mgr->dqs_ena);
		writel(0xff, &sdr_scc_mgr->dqs_io_ena);

		for (i = 0; i < RW_MGR_MEM_IF_WRITE_DQS_WIDTH; i++) {
			writel(i, SDR_PHYGRP_SCCGRP_ADDRESS |
				  SCC_MGR_GROUP_COUNTER_OFFSET);
		}
		writel(0xff, &sdr_scc_mgr->dq_ena);
		writel(0xff, &sdr_scc_mgr->dm_ena);
		writel(0, &sdr_scc_mgr->update);
	}

	/* Compensate for simulation model behaviour */
	for (i = 0; i < RW_MGR_MEM_IF_READ_DQS_WIDTH; i++) {
		scc_mgr_set_dqs_bus_in_delay(i, 10);
		scc_mgr_load_dqs(i);
	}
	writel(0, &sdr_scc_mgr->update);

	/*
	 * ArriaV has hard FIFOs that can only be initialized by incrementing
	 * in sequencer.
	 */
	vfifo_offset = CALIB_VFIFO_OFFSET;
	for (j = 0; j < vfifo_offset; j++) {
		writel(0xff, &phy_mgr_cmd->inc_vfifo_hard_phy);
	}
	writel(0, &phy_mgr_cmd->fifo_reset);

	/*
	 * For ACV with hard lfifo, we get the skip-cal setting from
	 * generation-time constant.
	 */
	gbl->curr_read_lat = CALIB_LFIFO_OFFSET;
	writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat);
}

/* Memory calibration entry point */
static uint32_t mem_calibrate(void)
{
	uint32_t i;
	uint32_t rank_bgn, sr;
	uint32_t write_group, write_test_bgn;
	uint32_t read_group, read_test_bgn;
	uint32_t run_groups, current_run;
	uint32_t failing_groups = 0;
	uint32_t group_failed = 0;
	uint32_t sr_failed = 0;

	debug("%s:%d\n", __func__, __LINE__);
	/* Initialize the data settings */

	gbl->error_substage = CAL_SUBSTAGE_NIL;
	gbl->error_stage = CAL_STAGE_NIL;
	gbl->error_group = 0xff;
	gbl->fom_in = 0;
	gbl->fom_out = 0;

	mem_config();

	for (i = 0; i < RW_MGR_MEM_IF_READ_DQS_WIDTH; i++) {
		writel(i, SDR_PHYGRP_SCCGRP_ADDRESS |
			  SCC_MGR_GROUP_COUNTER_OFFSET);
		/* Only needed once to set all groups, pins, DQ, DQS, DM. */
		if (i == 0)
			scc_mgr_set_hhp_extras();

		scc_set_bypass_mode(i);
	}

	if ((dyn_calib_steps & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) {
		/*
		 * Set VFIFO and LFIFO to instant-on settings in skip
		 * calibration mode.
		 */
		mem_skip_calibrate();
	} else {
		for (i = 0; i < NUM_CALIB_REPEAT; i++) {
			/*
			 * Zero all delay chain/phase settings for all
			 * groups and all shadow register sets.
			 */
			scc_mgr_zero_all();

			run_groups = ~param->skip_groups;

			for (write_group = 0, write_test_bgn = 0; write_group
				< RW_MGR_MEM_IF_WRITE_DQS_WIDTH; write_group++,
				write_test_bgn += RW_MGR_MEM_DQ_PER_WRITE_DQS) {
				/* Initialized the group failure */
				group_failed = 0;

				current_run = run_groups & ((1 <<
					RW_MGR_NUM_DQS_PER_WRITE_GROUP) - 1);
				run_groups = run_groups >>
					RW_MGR_NUM_DQS_PER_WRITE_GROUP;

				if (current_run == 0)
					continue;

				writel(write_group, SDR_PHYGRP_SCCGRP_ADDRESS |
						    SCC_MGR_GROUP_COUNTER_OFFSET);
				scc_mgr_zero_group(write_group, 0);

				for (read_group = write_group *
					RW_MGR_MEM_IF_READ_DQS_WIDTH /
					RW_MGR_MEM_IF_WRITE_DQS_WIDTH,
					read_test_bgn = 0;
					read_group < (write_group + 1) *
					RW_MGR_MEM_IF_READ_DQS_WIDTH /
					RW_MGR_MEM_IF_WRITE_DQS_WIDTH &&
					group_failed == 0;
					read_group++, read_test_bgn +=
					RW_MGR_MEM_DQ_PER_READ_DQS) {
					/* Calibrate the VFIFO */
					if (!((STATIC_CALIB_STEPS) &
						CALIB_SKIP_VFIFO)) {
						if (!rw_mgr_mem_calibrate_vfifo
							(read_group,
							read_test_bgn)) {
							group_failed = 1;

							if (!(gbl->
							phy_debug_mode_flags &
						PHY_DEBUG_SWEEP_ALL_GROUPS)) {
								return 0;
							}
						}
					}
				}

				/* Calibrate the output side */
				if (group_failed == 0)	{
					for (rank_bgn = 0, sr = 0; rank_bgn
						< RW_MGR_MEM_NUMBER_OF_RANKS;
						rank_bgn +=
						NUM_RANKS_PER_SHADOW_REG,
						++sr) {
						sr_failed = 0;
						if (!((STATIC_CALIB_STEPS) &
						CALIB_SKIP_WRITES)) {
							if ((STATIC_CALIB_STEPS)
						& CALIB_SKIP_DELAY_SWEEPS) {
						/* not needed in quick mode! */
							} else {
						/*
						 * Determine if this set of
						 * ranks should be skipped
						 * entirely.
						 */
					if (!param->skip_shadow_regs[sr]) {
						if (!rw_mgr_mem_calibrate_writes
						(rank_bgn, write_group,
						write_test_bgn)) {
							sr_failed = 1;
							if (!(gbl->
							phy_debug_mode_flags &
						PHY_DEBUG_SWEEP_ALL_GROUPS)) {
								return 0;
									}
									}
								}
							}
						}
						if (sr_failed != 0)
							group_failed = 1;
					}
				}

				if (group_failed == 0) {
					for (read_group = write_group *
					RW_MGR_MEM_IF_READ_DQS_WIDTH /
					RW_MGR_MEM_IF_WRITE_DQS_WIDTH,
					read_test_bgn = 0;
						read_group < (write_group + 1)
						* RW_MGR_MEM_IF_READ_DQS_WIDTH
						/ RW_MGR_MEM_IF_WRITE_DQS_WIDTH &&
						group_failed == 0;
						read_group++, read_test_bgn +=
						RW_MGR_MEM_DQ_PER_READ_DQS) {
						if (!((STATIC_CALIB_STEPS) &
							CALIB_SKIP_WRITES)) {
					if (!rw_mgr_mem_calibrate_vfifo_end
						(read_group, read_test_bgn)) {
							group_failed = 1;

						if (!(gbl->phy_debug_mode_flags
						& PHY_DEBUG_SWEEP_ALL_GROUPS)) {
								return 0;
								}
							}
						}
					}
				}

				if (group_failed != 0)
					failing_groups++;
			}

			/*
			 * USER If there are any failing groups then report
			 * the failure.
			 */
			if (failing_groups != 0)
				return 0;

			/* Calibrate the LFIFO */
			if (!((STATIC_CALIB_STEPS) & CALIB_SKIP_LFIFO)) {
				/*
				 * If we're skipping groups as part of debug,
				 * don't calibrate LFIFO.
				 */
				if (param->skip_groups == 0) {
					if (!rw_mgr_mem_calibrate_lfifo())
						return 0;
				}
			}
		}
	}

	/*
	 * Do not remove this line as it makes sure all of our decisions
	 * have been applied.
	 */
	writel(0, &sdr_scc_mgr->update);
	return 1;
}

static uint32_t run_mem_calibrate(void)
{
	uint32_t pass;
	uint32_t debug_info;

	debug("%s:%d\n", __func__, __LINE__);

	/* Reset pass/fail status shown on afi_cal_success/fail */
	writel(PHY_MGR_CAL_RESET, &phy_mgr_cfg->cal_status);

	/* stop tracking manger */
	uint32_t ctrlcfg = readl(&sdr_ctrl->ctrl_cfg);

	writel(ctrlcfg & 0xFFBFFFFF, &sdr_ctrl->ctrl_cfg);

	initialize();
	rw_mgr_mem_initialize();

	pass = mem_calibrate();

	mem_precharge_and_activate();
	writel(0, &phy_mgr_cmd->fifo_reset);

	/*
	 * Handoff:
	 * Don't return control of the PHY back to AFI when in debug mode.
	 */
	if ((gbl->phy_debug_mode_flags & PHY_DEBUG_IN_DEBUG_MODE) == 0) {
		rw_mgr_mem_handoff();
		/*
		 * In Hard PHY this is a 2-bit control:
		 * 0: AFI Mux Select
		 * 1: DDIO Mux Select
		 */
		writel(0x2, &phy_mgr_cfg->mux_sel);
	}

	writel(ctrlcfg, &sdr_ctrl->ctrl_cfg);

	if (pass) {
		printf("%s: CALIBRATION PASSED\n", __FILE__);

		gbl->fom_in /= 2;
		gbl->fom_out /= 2;

		if (gbl->fom_in > 0xff)
			gbl->fom_in = 0xff;

		if (gbl->fom_out > 0xff)
			gbl->fom_out = 0xff;

		/* Update the FOM in the register file */
		debug_info = gbl->fom_in;
		debug_info |= gbl->fom_out << 8;
		writel(debug_info, &sdr_reg_file->fom);

		writel(debug_info, &phy_mgr_cfg->cal_debug_info);
		writel(PHY_MGR_CAL_SUCCESS, &phy_mgr_cfg->cal_status);
	} else {
		printf("%s: CALIBRATION FAILED\n", __FILE__);

		debug_info = gbl->error_stage;
		debug_info |= gbl->error_substage << 8;
		debug_info |= gbl->error_group << 16;

		writel(debug_info, &sdr_reg_file->failing_stage);
		writel(debug_info, &phy_mgr_cfg->cal_debug_info);
		writel(PHY_MGR_CAL_FAIL, &phy_mgr_cfg->cal_status);

		/* Update the failing group/stage in the register file */
		debug_info = gbl->error_stage;
		debug_info |= gbl->error_substage << 8;
		debug_info |= gbl->error_group << 16;
		writel(debug_info, &sdr_reg_file->failing_stage);
	}

	return pass;
}

/**
 * hc_initialize_rom_data() - Initialize ROM data
 *
 * Initialize ROM data.
 */
static void hc_initialize_rom_data(void)
{
	u32 i, addr;

	addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_INST_ROM_WRITE_OFFSET;
	for (i = 0; i < ARRAY_SIZE(inst_rom_init); i++)
		writel(inst_rom_init[i], addr + (i << 2));

	addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_AC_ROM_WRITE_OFFSET;
	for (i = 0; i < ARRAY_SIZE(ac_rom_init); i++)
		writel(ac_rom_init[i], addr + (i << 2));
}

/**
 * initialize_reg_file() - Initialize SDR register file
 *
 * Initialize SDR register file.
 */
static void initialize_reg_file(void)
{
	/* Initialize the register file with the correct data */
	writel(REG_FILE_INIT_SEQ_SIGNATURE, &sdr_reg_file->signature);
	writel(0, &sdr_reg_file->debug_data_addr);
	writel(0, &sdr_reg_file->cur_stage);
	writel(0, &sdr_reg_file->fom);
	writel(0, &sdr_reg_file->failing_stage);
	writel(0, &sdr_reg_file->debug1);
	writel(0, &sdr_reg_file->debug2);
}

/**
 * initialize_hps_phy() - Initialize HPS PHY
 *
 * Initialize HPS PHY.
 */
static void initialize_hps_phy(void)
{
	uint32_t reg;
	/*
	 * Tracking also gets configured here because it's in the
	 * same register.
	 */
	uint32_t trk_sample_count = 7500;
	uint32_t trk_long_idle_sample_count = (10 << 16) | 100;
	/*
	 * Format is number of outer loops in the 16 MSB, sample
	 * count in 16 LSB.
	 */

	reg = 0;
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_ACDELAYEN_SET(2);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQDELAYEN_SET(1);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQSDELAYEN_SET(1);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQSLOGICDELAYEN_SET(1);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_RESETDELAYEN_SET(0);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_LPDDRDIS_SET(1);
	/*
	 * This field selects the intrinsic latency to RDATA_EN/FULL path.
	 * 00-bypass, 01- add 5 cycles, 10- add 10 cycles, 11- add 15 cycles.
	 */
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_ADDLATSEL_SET(0);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_SET(
		trk_sample_count);
	writel(reg, &sdr_ctrl->phy_ctrl0);

	reg = 0;
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_SAMPLECOUNT_31_20_SET(
		trk_sample_count >>
		SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_WIDTH);
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_LONGIDLESAMPLECOUNT_19_0_SET(
		trk_long_idle_sample_count);
	writel(reg, &sdr_ctrl->phy_ctrl1);

	reg = 0;
	reg |= SDR_CTRLGRP_PHYCTRL_PHYCTRL_2_LONGIDLESAMPLECOUNT_31_20_SET(
		trk_long_idle_sample_count >>
		SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_LONGIDLESAMPLECOUNT_19_0_WIDTH);
	writel(reg, &sdr_ctrl->phy_ctrl2);
}

static void initialize_tracking(void)
{
	uint32_t concatenated_longidle = 0x0;
	uint32_t concatenated_delays = 0x0;
	uint32_t concatenated_rw_addr = 0x0;
	uint32_t concatenated_refresh = 0x0;
	uint32_t trk_sample_count = 7500;
	uint32_t dtaps_per_ptap;
	uint32_t tmp_delay;

	/*
	 * compute usable version of value in case we skip full
	 * computation later
	 */
	dtaps_per_ptap = 0;
	tmp_delay = 0;
	while (tmp_delay < IO_DELAY_PER_OPA_TAP) {
		dtaps_per_ptap++;
		tmp_delay += IO_DELAY_PER_DCHAIN_TAP;
	}
	dtaps_per_ptap--;

	concatenated_longidle = concatenated_longidle ^ 10;
		/*longidle outer loop */
	concatenated_longidle = concatenated_longidle << 16;
	concatenated_longidle = concatenated_longidle ^ 100;
		/*longidle sample count */
	concatenated_delays = concatenated_delays ^ 243;
		/* trfc, worst case of 933Mhz 4Gb */
	concatenated_delays = concatenated_delays << 8;
	concatenated_delays = concatenated_delays ^ 14;
		/* trcd, worst case */
	concatenated_delays = concatenated_delays << 8;
	concatenated_delays = concatenated_delays ^ 10;
		/* vfifo wait */
	concatenated_delays = concatenated_delays << 8;
	concatenated_delays = concatenated_delays ^ 4;
		/* mux delay */

	concatenated_rw_addr = concatenated_rw_addr ^ RW_MGR_IDLE;
	concatenated_rw_addr = concatenated_rw_addr << 8;
	concatenated_rw_addr = concatenated_rw_addr ^ RW_MGR_ACTIVATE_1;
	concatenated_rw_addr = concatenated_rw_addr << 8;
	concatenated_rw_addr = concatenated_rw_addr ^ RW_MGR_SGLE_READ;
	concatenated_rw_addr = concatenated_rw_addr << 8;
	concatenated_rw_addr = concatenated_rw_addr ^ RW_MGR_PRECHARGE_ALL;

	concatenated_refresh = concatenated_refresh ^ RW_MGR_REFRESH_ALL;
	concatenated_refresh = concatenated_refresh << 24;
	concatenated_refresh = concatenated_refresh ^ 1000; /* trefi */

	/* Initialize the register file with the correct data */
	writel(dtaps_per_ptap, &sdr_reg_file->dtaps_per_ptap);
	writel(trk_sample_count, &sdr_reg_file->trk_sample_count);
	writel(concatenated_longidle, &sdr_reg_file->trk_longidle);
	writel(concatenated_delays, &sdr_reg_file->delays);
	writel(concatenated_rw_addr, &sdr_reg_file->trk_rw_mgr_addr);
	writel(RW_MGR_MEM_IF_READ_DQS_WIDTH, &sdr_reg_file->trk_read_dqs_width);
	writel(concatenated_refresh, &sdr_reg_file->trk_rfsh);
}

int sdram_calibration_full(void)
{
	struct param_type my_param;
	struct gbl_type my_gbl;
	uint32_t pass;
	uint32_t i;

	param = &my_param;
	gbl = &my_gbl;

	/* Initialize the debug mode flags */
	gbl->phy_debug_mode_flags = 0;
	/* Set the calibration enabled by default */
	gbl->phy_debug_mode_flags |= PHY_DEBUG_ENABLE_CAL_RPT;
	/*
	 * Only sweep all groups (regardless of fail state) by default
	 * Set enabled read test by default.
	 */
#if DISABLE_GUARANTEED_READ
	gbl->phy_debug_mode_flags |= PHY_DEBUG_DISABLE_GUARANTEED_READ;
#endif
	/* Initialize the register file */
	initialize_reg_file();

	/* Initialize any PHY CSR */
	initialize_hps_phy();

	scc_mgr_initialize();

	initialize_tracking();

	/* USER Enable all ranks, groups */
	for (i = 0; i < RW_MGR_MEM_NUMBER_OF_RANKS; i++)
		param->skip_ranks[i] = 0;
	for (i = 0; i < NUM_SHADOW_REGS; ++i)
		param->skip_shadow_regs[i] = 0;
	param->skip_groups = 0;

	printf("%s: Preparing to start memory calibration\n", __FILE__);

	debug("%s:%d\n", __func__, __LINE__);
	debug_cond(DLEVEL == 1,
		   "DDR3 FULL_RATE ranks=%u cs/dimm=%u dq/dqs=%u,%u vg/dqs=%u,%u ",
		   RW_MGR_MEM_NUMBER_OF_RANKS, RW_MGR_MEM_NUMBER_OF_CS_PER_DIMM,
		   RW_MGR_MEM_DQ_PER_READ_DQS, RW_MGR_MEM_DQ_PER_WRITE_DQS,
		   RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS,
		   RW_MGR_MEM_VIRTUAL_GROUPS_PER_WRITE_DQS);
	debug_cond(DLEVEL == 1,
		   "dqs=%u,%u dq=%u dm=%u ptap_delay=%u dtap_delay=%u ",
		   RW_MGR_MEM_IF_READ_DQS_WIDTH, RW_MGR_MEM_IF_WRITE_DQS_WIDTH,
		   RW_MGR_MEM_DATA_WIDTH, RW_MGR_MEM_DATA_MASK_WIDTH,
		   IO_DELAY_PER_OPA_TAP, IO_DELAY_PER_DCHAIN_TAP);
	debug_cond(DLEVEL == 1, "dtap_dqsen_delay=%u, dll=%u",
		   IO_DELAY_PER_DQS_EN_DCHAIN_TAP, IO_DLL_CHAIN_LENGTH);
	debug_cond(DLEVEL == 1, "max values: en_p=%u dqdqs_p=%u en_d=%u dqs_in_d=%u ",
		   IO_DQS_EN_PHASE_MAX, IO_DQDQS_OUT_PHASE_MAX,
		   IO_DQS_EN_DELAY_MAX, IO_DQS_IN_DELAY_MAX);
	debug_cond(DLEVEL == 1, "io_in_d=%u io_out1_d=%u io_out2_d=%u ",
		   IO_IO_IN_DELAY_MAX, IO_IO_OUT1_DELAY_MAX,
		   IO_IO_OUT2_DELAY_MAX);
	debug_cond(DLEVEL == 1, "dqs_in_reserve=%u dqs_out_reserve=%u\n",
		   IO_DQS_IN_RESERVE, IO_DQS_OUT_RESERVE);

	hc_initialize_rom_data();

	/* update info for sims */
	reg_file_set_stage(CAL_STAGE_NIL);
	reg_file_set_group(0);

	/*
	 * Load global needed for those actions that require
	 * some dynamic calibration support.
	 */
	dyn_calib_steps = STATIC_CALIB_STEPS;
	/*
	 * Load global to allow dynamic selection of delay loop settings
	 * based on calibration mode.
	 */
	if (!(dyn_calib_steps & CALIB_SKIP_DELAY_LOOPS))
		skip_delay_mask = 0xff;
	else
		skip_delay_mask = 0x0;

	pass = run_mem_calibrate();

	printf("%s: Calibration complete\n", __FILE__);
	return pass;
}