[U-Boot] [PATCH 1/2] dm: ddr: socfpga: fix gen5 ddr driver to not use bss

This driver uses bss from SPL board_init_f(). Change it to move all the data from bss to a common struct allocated on the stack (64 byte).

In addition to saving 28 bytes of bss, the code even gets 264 bytes smaller.

Signed-off-by: Simon Goldschmidt simon.k.r.goldschmidt@gmail.com ---

drivers/ddr/altera/sequencer.c | 1346 +++++++++++++++++--------------- drivers/ddr/altera/sequencer.h | 36 +- 2 files changed, 740 insertions(+), 642 deletions(-)

diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 0e4526288e..b85b56efe5 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -9,31 +9,27 @@ #include <errno.h> #include "sequencer.h"

-static struct socfpga_sdr_rw_load_manager *sdr_rw_load_mgr_regs = +static const struct socfpga_sdr_rw_load_manager *sdr_rw_load_mgr_regs = (struct socfpga_sdr_rw_load_manager *) (SDR_PHYGRP_RWMGRGRP_ADDRESS | 0x800); -static struct socfpga_sdr_rw_load_jump_manager *sdr_rw_load_jump_mgr_regs = - (struct socfpga_sdr_rw_load_jump_manager *) +static const struct socfpga_sdr_rw_load_jump_manager *sdr_rw_load_jump_mgr_regs + = (struct socfpga_sdr_rw_load_jump_manager *) (SDR_PHYGRP_RWMGRGRP_ADDRESS | 0xC00); -static struct socfpga_sdr_reg_file *sdr_reg_file = +static const struct socfpga_sdr_reg_file *sdr_reg_file = (struct socfpga_sdr_reg_file *)SDR_PHYGRP_REGFILEGRP_ADDRESS; -static struct socfpga_sdr_scc_mgr *sdr_scc_mgr = +static const struct socfpga_sdr_scc_mgr *sdr_scc_mgr = (struct socfpga_sdr_scc_mgr *) (SDR_PHYGRP_SCCGRP_ADDRESS | 0xe00); -static struct socfpga_phy_mgr_cmd *phy_mgr_cmd = +static const struct socfpga_phy_mgr_cmd *phy_mgr_cmd = (struct socfpga_phy_mgr_cmd *)SDR_PHYGRP_PHYMGRGRP_ADDRESS; -static struct socfpga_phy_mgr_cfg *phy_mgr_cfg = +static const struct socfpga_phy_mgr_cfg *phy_mgr_cfg = (struct socfpga_phy_mgr_cfg *) (SDR_PHYGRP_PHYMGRGRP_ADDRESS | 0x40); -static struct socfpga_data_mgr *data_mgr = +static const struct socfpga_data_mgr *data_mgr = (struct socfpga_data_mgr *)SDR_PHYGRP_DATAMGRGRP_ADDRESS; -static struct socfpga_sdr_ctrl *sdr_ctrl = +static const struct socfpga_sdr_ctrl *sdr_ctrl = (struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS;

-const struct socfpga_sdram_rw_mgr_config *rwcfg; -const struct socfpga_sdram_io_config *iocfg; -const struct socfpga_sdram_misc_config *misccfg; - #define DELTA_D 1

/* @@ -55,37 +51,20 @@ const struct socfpga_sdram_misc_config *misccfg; #define STATIC_CALIB_STEPS (STATIC_IN_RTL_SIM | CALIB_SKIP_FULL_TEST | \ STATIC_SKIP_DELAY_LOOPS)

-/* calibration steps requested by the rtl */ -static u16 dyn_calib_steps; - -/* - * To make CALIB_SKIP_DELAY_LOOPS a dynamic conditional option - * instead of static, we use boolean logic to select between - * non-skip and skip values - * - * The mask is set to include all bits when not-skipping, but is - * zero when skipping - */ - -static u16 skip_delay_mask; /* mask off bits when skipping/not-skipping */ - #define SKIP_DELAY_LOOP_VALUE_OR_ZERO(non_skip_value) \ - ((non_skip_value) & skip_delay_mask) - -static struct gbl_type *gbl; -static struct param_type *param; + ((non_skip_value) & seq->skip_delay_mask)

-static void set_failing_group_stage(u32 group, u32 stage, - u32 substage) +static void set_failing_group_stage(struct socfpga_sdrseq *seq, + u32 group, u32 stage, u32 substage) { /* * Only set the global stage if there was not been any other * failing group */ - if (gbl->error_stage == CAL_STAGE_NIL) { - gbl->error_substage = substage; - gbl->error_stage = stage; - gbl->error_group = group; + if (seq->gbl.error_stage == CAL_STAGE_NIL) { + seq->gbl.error_substage = substage; + seq->gbl.error_stage = stage; + seq->gbl.error_group = group; } }

@@ -110,7 +89,7 @@ static void reg_file_set_sub_stage(u8 set_sub_stage) * * Initialize PHY Manager. */ -static void phy_mgr_initialize(void) +static void phy_mgr_initialize(struct socfpga_sdrseq *seq) { u32 ratio;

@@ -132,15 +111,17 @@ static void phy_mgr_initialize(void) writel(0, &phy_mgr_cfg->cal_debug_info);

/* Init params only if we do NOT skip calibration. */ - if ((dyn_calib_steps & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) + if ((seq->dyn_calib_steps & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) return;

- ratio = rwcfg->mem_dq_per_read_dqs / - rwcfg->mem_virtual_groups_per_read_dqs; - param->read_correct_mask_vg = (1 << ratio) - 1; - param->write_correct_mask_vg = (1 << ratio) - 1; - param->read_correct_mask = (1 << rwcfg->mem_dq_per_read_dqs) - 1; - param->write_correct_mask = (1 << rwcfg->mem_dq_per_write_dqs) - 1; + ratio = seq->rwcfg->mem_dq_per_read_dqs / + seq->rwcfg->mem_virtual_groups_per_read_dqs; + seq->param.read_correct_mask_vg = (1 << ratio) - 1; + seq->param.write_correct_mask_vg = (1 << ratio) - 1; + seq->param.read_correct_mask = (1 << seq->rwcfg->mem_dq_per_read_dqs) + - 1; + seq->param.write_correct_mask = (1 << seq->rwcfg->mem_dq_per_write_dqs) + - 1; }

/** @@ -150,7 +131,8 @@ static void phy_mgr_initialize(void) * * Set Rank and ODT mask (On-Die Termination). */ -static void set_rank_and_odt_mask(const u32 rank, const u32 odt_mode) +static void set_rank_and_odt_mask(struct socfpga_sdrseq *seq, + const u32 rank, const u32 odt_mode) { u32 odt_mask_0 = 0; u32 odt_mask_1 = 0; @@ -160,14 +142,14 @@ static void set_rank_and_odt_mask(const u32 rank, const u32 odt_mode) odt_mask_0 = 0x0; odt_mask_1 = 0x0; } else { /* RW_MGR_ODT_MODE_READ_WRITE */ - switch (rwcfg->mem_number_of_ranks) { + switch (seq->rwcfg->mem_number_of_ranks) { case 1: /* 1 Rank */ /* Read: ODT = 0 ; Write: ODT = 1 */ odt_mask_0 = 0x0; odt_mask_1 = 0x1; break; case 2: /* 2 Ranks */ - if (rwcfg->mem_number_of_cs_per_dimm == 1) { + if (seq->rwcfg->mem_number_of_cs_per_dimm == 1) { /* * - Dual-Slot , Single-Rank (1 CS per DIMM) * OR @@ -307,16 +289,18 @@ static void scc_mgr_set_dq_in_delay(u32 dq_in_group, u32 delay) scc_mgr_set(SCC_MGR_IO_IN_DELAY_OFFSET, dq_in_group, delay); }

-static void scc_mgr_set_dqs_io_in_delay(u32 delay) +static void scc_mgr_set_dqs_io_in_delay(struct socfpga_sdrseq *seq, + u32 delay) { - scc_mgr_set(SCC_MGR_IO_IN_DELAY_OFFSET, rwcfg->mem_dq_per_write_dqs, - delay); + scc_mgr_set(SCC_MGR_IO_IN_DELAY_OFFSET, + seq->rwcfg->mem_dq_per_write_dqs, delay); }

-static void scc_mgr_set_dm_in_delay(u32 dm, u32 delay) +static void scc_mgr_set_dm_in_delay(struct socfpga_sdrseq *seq, u32 dm, + u32 delay) { scc_mgr_set(SCC_MGR_IO_IN_DELAY_OFFSET, - rwcfg->mem_dq_per_write_dqs + 1 + dm, + seq->rwcfg->mem_dq_per_write_dqs + 1 + dm, delay); }

@@ -325,16 +309,18 @@ static void scc_mgr_set_dq_out1_delay(u32 dq_in_group, u32 delay) scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET, dq_in_group, delay); }

-static void scc_mgr_set_dqs_out1_delay(u32 delay) +static void scc_mgr_set_dqs_out1_delay(struct socfpga_sdrseq *seq, + u32 delay) { - scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET, rwcfg->mem_dq_per_write_dqs, - delay); + scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET, + seq->rwcfg->mem_dq_per_write_dqs, delay); }

-static void scc_mgr_set_dm_out1_delay(u32 dm, u32 delay) +static void scc_mgr_set_dm_out1_delay(struct socfpga_sdrseq *seq, u32 dm, + u32 delay) { scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET, - rwcfg->mem_dq_per_write_dqs + 1 + dm, + seq->rwcfg->mem_dq_per_write_dqs + 1 + dm, delay); }

@@ -372,12 +358,13 @@ static void scc_mgr_load_dm(u32 dm) * This function sets the SCC Manager (Scan Chain Control Manager) register * and optionally triggers the SCC update for all ranks. */ -static void scc_mgr_set_all_ranks(const u32 off, const u32 grp, const u32 val, +static void scc_mgr_set_all_ranks(struct socfpga_sdrseq *seq, + const u32 off, const u32 grp, const u32 val, const int update) { u32 r;

- for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { scc_mgr_set(off, grp, val);

@@ -388,7 +375,8 @@ static void scc_mgr_set_all_ranks(const u32 off, const u32 grp, const u32 val, } }

-static void scc_mgr_set_dqs_en_phase_all_ranks(u32 read_group, u32 phase) +static void scc_mgr_set_dqs_en_phase_all_ranks(struct socfpga_sdrseq *seq, + u32 read_group, u32 phase) { /* * USER although the h/w doesn't support different phases per @@ -398,12 +386,12 @@ static void scc_mgr_set_dqs_en_phase_all_ranks(u32 read_group, u32 phase) * for efficiency, the scan chain update should occur only * once to sr0. */ - scc_mgr_set_all_ranks(SCC_MGR_DQS_EN_PHASE_OFFSET, + scc_mgr_set_all_ranks(seq, SCC_MGR_DQS_EN_PHASE_OFFSET, read_group, phase, 0); }

-static void scc_mgr_set_dqdqs_output_phase_all_ranks(u32 write_group, - u32 phase) +static void scc_mgr_set_dqdqs_output_phase_all_ranks(struct socfpga_sdrseq *seq, + u32 write_group, u32 phase) { /* * USER although the h/w doesn't support different phases per @@ -413,12 +401,12 @@ static void scc_mgr_set_dqdqs_output_phase_all_ranks(u32 write_group, * for efficiency, the scan chain update should occur only * once to sr0. */ - scc_mgr_set_all_ranks(SCC_MGR_DQDQS_OUT_PHASE_OFFSET, + scc_mgr_set_all_ranks(seq, SCC_MGR_DQDQS_OUT_PHASE_OFFSET, write_group, phase, 0); }

-static void scc_mgr_set_dqs_en_delay_all_ranks(u32 read_group, - u32 delay) +static void scc_mgr_set_dqs_en_delay_all_ranks(struct socfpga_sdrseq *seq, + u32 read_group, u32 delay) { /* * In shadow register mode, the T11 settings are stored in @@ -428,7 +416,7 @@ static void scc_mgr_set_dqs_en_delay_all_ranks(u32 read_group, * select_shadow_regs_for_update with update_scan_chains * set to 0. */ - scc_mgr_set_all_ranks(SCC_MGR_DQS_EN_DELAY_OFFSET, + scc_mgr_set_all_ranks(seq, SCC_MGR_DQS_EN_DELAY_OFFSET, read_group, delay, 1); }

@@ -439,10 +427,11 @@ static void scc_mgr_set_dqs_en_delay_all_ranks(u32 read_group, * * This function sets the OCT output delay in SCC manager. */ -static void scc_mgr_set_oct_out1_delay(const u32 write_group, const u32 delay) +static void scc_mgr_set_oct_out1_delay(struct socfpga_sdrseq *seq, + const u32 write_group, const u32 delay) { - const int ratio = rwcfg->mem_if_read_dqs_width / - rwcfg->mem_if_write_dqs_width; + const int ratio = seq->rwcfg->mem_if_read_dqs_width / + seq->rwcfg->mem_if_write_dqs_width; const int base = write_group * ratio; int i; /* @@ -490,7 +479,7 @@ static void scc_mgr_set_hhp_extras(void) * * Zero all DQS config. */ -static void scc_mgr_zero_all(void) +static void scc_mgr_zero_all(struct socfpga_sdrseq *seq) { int i, r;

@@ -498,23 +487,26 @@ static void scc_mgr_zero_all(void) * USER Zero all DQS config settings, across all groups and all * shadow registers */ - for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { - for (i = 0; i < rwcfg->mem_if_read_dqs_width; i++) { + for (i = 0; i < seq->rwcfg->mem_if_read_dqs_width; i++) { /* * The phases actually don't exist on a per-rank basis, * but there's no harm updating them several times, so * let's keep the code simple. */ - scc_mgr_set_dqs_bus_in_delay(i, iocfg->dqs_in_reserve); + scc_mgr_set_dqs_bus_in_delay(i, + seq->iocfg->dqs_in_reserve + ); scc_mgr_set_dqs_en_phase(i, 0); scc_mgr_set_dqs_en_delay(i, 0); }

- for (i = 0; i < rwcfg->mem_if_write_dqs_width; i++) { + for (i = 0; i < seq->rwcfg->mem_if_write_dqs_width; i++) { scc_mgr_set_dqdqs_output_phase(i, 0); /* Arria V/Cyclone V don't have out2. */ - scc_mgr_set_oct_out1_delay(i, iocfg->dqs_out_reserve); + scc_mgr_set_oct_out1_delay(seq, i, + seq->iocfg->dqs_out_reserve); } }

@@ -551,10 +543,11 @@ static void scc_set_bypass_mode(const u32 write_group) * * Load DQS settings for Write Group, do not trigger SCC update. */ -static void scc_mgr_load_dqs_for_write_group(const u32 write_group) +static void scc_mgr_load_dqs_for_write_group(struct socfpga_sdrseq *seq, + const u32 write_group) { - const int ratio = rwcfg->mem_if_read_dqs_width / - rwcfg->mem_if_write_dqs_width; + const int ratio = seq->rwcfg->mem_if_read_dqs_width / + seq->rwcfg->mem_if_write_dqs_width; const int base = write_group * ratio; int i; /* @@ -573,14 +566,15 @@ static void scc_mgr_load_dqs_for_write_group(const u32 write_group) * * Zero DQ, DM, DQS and OCT configs for a group. */ -static void scc_mgr_zero_group(const u32 write_group, const int out_only) +static void scc_mgr_zero_group(struct socfpga_sdrseq *seq, + const u32 write_group, const int out_only) { int i, r;

- for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { /* Zero all DQ config settings. */ - for (i = 0; i < rwcfg->mem_dq_per_write_dqs; i++) { + for (i = 0; i < seq->rwcfg->mem_dq_per_write_dqs; i++) { scc_mgr_set_dq_out1_delay(i, 0); if (!out_only) scc_mgr_set_dq_in_delay(i, 0); @@ -592,8 +586,8 @@ static void scc_mgr_zero_group(const u32 write_group, const int out_only) /* Zero all DM config settings. */ for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) { if (!out_only) - scc_mgr_set_dm_in_delay(i, 0); - scc_mgr_set_dm_out1_delay(i, 0); + scc_mgr_set_dm_in_delay(seq, i, 0); + scc_mgr_set_dm_out1_delay(seq, i, 0); }

/* Multicast to all DM enables. */ @@ -601,12 +595,13 @@ static void scc_mgr_zero_group(const u32 write_group, const int out_only)

/* Zero all DQS IO settings. */ if (!out_only) - scc_mgr_set_dqs_io_in_delay(0); + scc_mgr_set_dqs_io_in_delay(seq, 0);

/* Arria V/Cyclone V don't have out2. */ - scc_mgr_set_dqs_out1_delay(iocfg->dqs_out_reserve); - scc_mgr_set_oct_out1_delay(write_group, iocfg->dqs_out_reserve); - scc_mgr_load_dqs_for_write_group(write_group); + scc_mgr_set_dqs_out1_delay(seq, seq->iocfg->dqs_out_reserve); + scc_mgr_set_oct_out1_delay(seq, write_group, + seq->iocfg->dqs_out_reserve); + scc_mgr_load_dqs_for_write_group(seq, write_group);

/* Multicast to all DQS IO enables (only 1 in total). */ writel(0, &sdr_scc_mgr->dqs_io_ena); @@ -620,69 +615,76 @@ static void scc_mgr_zero_group(const u32 write_group, const int out_only) * apply and load a particular input delay for the DQ pins in a group * group_bgn is the index of the first dq pin (in the write group) */ -static void scc_mgr_apply_group_dq_in_delay(u32 group_bgn, u32 delay) +static void scc_mgr_apply_group_dq_in_delay(struct socfpga_sdrseq *seq, + u32 group_bgn, u32 delay) { u32 i, p;

- for (i = 0, p = group_bgn; i < rwcfg->mem_dq_per_read_dqs; i++, p++) { + for (i = 0, p = group_bgn; i < seq->rwcfg->mem_dq_per_read_dqs; + i++, p++) { scc_mgr_set_dq_in_delay(p, delay); scc_mgr_load_dq(p); } }

/** - * scc_mgr_apply_group_dq_out1_delay() - Apply and load an output delay for the DQ pins in a group + * scc_mgr_apply_group_dq_out1_delay() - Apply and load an output delay for the + * DQ pins in a group * @delay: Delay value * * Apply and load a particular output delay for the DQ pins in a group. */ -static void scc_mgr_apply_group_dq_out1_delay(const u32 delay) +static void scc_mgr_apply_group_dq_out1_delay(struct socfpga_sdrseq *seq, + const u32 delay) { int i;

- for (i = 0; i < rwcfg->mem_dq_per_write_dqs; i++) { + for (i = 0; i < seq->rwcfg->mem_dq_per_write_dqs; i++) { scc_mgr_set_dq_out1_delay(i, delay); scc_mgr_load_dq(i); } }

/* apply and load a particular output delay for the DM pins in a group */ -static void scc_mgr_apply_group_dm_out1_delay(u32 delay1) +static void scc_mgr_apply_group_dm_out1_delay(struct socfpga_sdrseq *seq, + u32 delay1) { u32 i;

for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) { - scc_mgr_set_dm_out1_delay(i, delay1); + scc_mgr_set_dm_out1_delay(seq, i, delay1); scc_mgr_load_dm(i); } }

/* apply and load delay on both DQS and OCT out1 */ -static void scc_mgr_apply_group_dqs_io_and_oct_out1(u32 write_group, - u32 delay) +static void scc_mgr_apply_group_dqs_io_and_oct_out1(struct socfpga_sdrseq *seq, + u32 write_group, u32 delay) { - scc_mgr_set_dqs_out1_delay(delay); + scc_mgr_set_dqs_out1_delay(seq, delay); scc_mgr_load_dqs_io();

- scc_mgr_set_oct_out1_delay(write_group, delay); - scc_mgr_load_dqs_for_write_group(write_group); + scc_mgr_set_oct_out1_delay(seq, write_group, delay); + scc_mgr_load_dqs_for_write_group(seq, write_group); }

/** - * scc_mgr_apply_group_all_out_delay_add() - Apply a delay to the entire output side: DQ, DM, DQS, OCT + * scc_mgr_apply_group_all_out_delay_add() - Apply a delay to the entire output + * side: DQ, DM, DQS, OCT * @write_group: Write group * @delay: Delay value * * Apply a delay to the entire output side: DQ, DM, DQS, OCT. */ -static void scc_mgr_apply_group_all_out_delay_add(const u32 write_group, +static void scc_mgr_apply_group_all_out_delay_add(struct socfpga_sdrseq *seq, + const u32 write_group, const u32 delay) { u32 i, new_delay;

/* DQ shift */ - for (i = 0; i < rwcfg->mem_dq_per_write_dqs; i++) + for (i = 0; i < seq->rwcfg->mem_dq_per_write_dqs; i++) scc_mgr_load_dq(i);

/* DM shift */ @@ -691,49 +693,51 @@ static void scc_mgr_apply_group_all_out_delay_add(const u32 write_group,

/* DQS shift */ new_delay = READ_SCC_DQS_IO_OUT2_DELAY + delay; - if (new_delay > iocfg->io_out2_delay_max) { + if (new_delay > seq->iocfg->io_out2_delay_max) { debug_cond(DLEVEL >= 1, "%s:%d (%u, %u) DQS: %u > %d; adding %u to OUT1\n", __func__, __LINE__, write_group, delay, new_delay, - iocfg->io_out2_delay_max, - new_delay - iocfg->io_out2_delay_max); - new_delay -= iocfg->io_out2_delay_max; - scc_mgr_set_dqs_out1_delay(new_delay); + seq->iocfg->io_out2_delay_max, + new_delay - seq->iocfg->io_out2_delay_max); + new_delay -= seq->iocfg->io_out2_delay_max; + scc_mgr_set_dqs_out1_delay(seq, new_delay); }

scc_mgr_load_dqs_io();

/* OCT shift */ new_delay = READ_SCC_OCT_OUT2_DELAY + delay; - if (new_delay > iocfg->io_out2_delay_max) { + if (new_delay > seq->iocfg->io_out2_delay_max) { debug_cond(DLEVEL >= 1, "%s:%d (%u, %u) DQS: %u > %d; adding %u to OUT1\n", __func__, __LINE__, write_group, delay, - new_delay, iocfg->io_out2_delay_max, - new_delay - iocfg->io_out2_delay_max); - new_delay -= iocfg->io_out2_delay_max; - scc_mgr_set_oct_out1_delay(write_group, new_delay); + new_delay, seq->iocfg->io_out2_delay_max, + new_delay - seq->iocfg->io_out2_delay_max); + new_delay -= seq->iocfg->io_out2_delay_max; + scc_mgr_set_oct_out1_delay(seq, write_group, new_delay); }

- scc_mgr_load_dqs_for_write_group(write_group); + scc_mgr_load_dqs_for_write_group(seq, write_group); }

/** - * scc_mgr_apply_group_all_out_delay_add() - Apply a delay to the entire output side to all ranks + * scc_mgr_apply_group_all_out_delay_add() - Apply a delay to the entire output + * side to all ranks * @write_group: Write group * @delay: Delay value * * Apply a delay to the entire output side (DQ, DM, DQS, OCT) to all ranks. */ static void -scc_mgr_apply_group_all_out_delay_add_all_ranks(const u32 write_group, +scc_mgr_apply_group_all_out_delay_add_all_ranks(struct socfpga_sdrseq *seq, + const u32 write_group, const u32 delay) { int r;

- for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { - scc_mgr_apply_group_all_out_delay_add(write_group, delay); + scc_mgr_apply_group_all_out_delay_add(seq, write_group, delay); writel(0, &sdr_scc_mgr->update); } } @@ -744,7 +748,7 @@ scc_mgr_apply_group_all_out_delay_add_all_ranks(const u32 write_group, * Optimization used to recover some slots in ddr3 inst_rom could be * applied to other protocols if we wanted to */ -static void set_jump_as_return(void) +static void set_jump_as_return(struct socfpga_sdrseq *seq) { /* * To save space, we replace return with jump to special shared @@ -752,7 +756,7 @@ static void set_jump_as_return(void) * we always jump. */ writel(0xff, &sdr_rw_load_mgr_regs->load_cntr0); - writel(rwcfg->rreturn, &sdr_rw_load_jump_mgr_regs->load_jump_add0); + writel(seq->rwcfg->rreturn, &sdr_rw_load_jump_mgr_regs->load_jump_add0); }

/** @@ -761,7 +765,8 @@ static void set_jump_as_return(void) * * Delay for N memory clocks. */ -static void delay_for_n_mem_clocks(const u32 clocks) +static void delay_for_n_mem_clocks(struct socfpga_sdrseq *seq, + const u32 clocks) { u32 afi_clocks; u16 c_loop; @@ -771,7 +776,7 @@ static void delay_for_n_mem_clocks(const u32 clocks) debug("%s:%d: clocks=%u ... start\n", __func__, __LINE__, clocks);

/* Scale (rounding up) to get afi clocks. */ - afi_clocks = DIV_ROUND_UP(clocks, misccfg->afi_rate_ratio); + afi_clocks = DIV_ROUND_UP(clocks, seq->misccfg->afi_rate_ratio); if (afi_clocks) /* Temporary underflow protection */ afi_clocks--;

@@ -807,10 +812,10 @@ static void delay_for_n_mem_clocks(const u32 clocks) writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(inner), &sdr_rw_load_mgr_regs->load_cntr1);

- writel(rwcfg->idle_loop1, + writel(seq->rwcfg->idle_loop1, &sdr_rw_load_jump_mgr_regs->load_jump_add1);

- writel(rwcfg->idle_loop1, SDR_PHYGRP_RWMGRGRP_ADDRESS | + writel(seq->rwcfg->idle_loop1, SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET); } else { writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(inner), @@ -819,14 +824,14 @@ static void delay_for_n_mem_clocks(const u32 clocks) writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(outer), &sdr_rw_load_mgr_regs->load_cntr1);

- writel(rwcfg->idle_loop2, + writel(seq->rwcfg->idle_loop2, &sdr_rw_load_jump_mgr_regs->load_jump_add0);

- writel(rwcfg->idle_loop2, + writel(seq->rwcfg->idle_loop2, &sdr_rw_load_jump_mgr_regs->load_jump_add1);

do { - writel(rwcfg->idle_loop2, + writel(seq->rwcfg->idle_loop2, SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET); } while (c_loop-- != 0); @@ -843,7 +848,8 @@ static void delay_for_n_mem_clocks(const u32 clocks) * * Load instruction registers. */ -static void rw_mgr_mem_init_load_regs(u32 cntr0, u32 cntr1, u32 cntr2, u32 jump) +static void rw_mgr_mem_init_load_regs(struct socfpga_sdrseq *seq, + u32 cntr0, u32 cntr1, u32 cntr2, u32 jump) { u32 grpaddr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET; @@ -873,58 +879,59 @@ static void rw_mgr_mem_init_load_regs(u32 cntr0, u32 cntr1, u32 cntr2, u32 jump) * * Load user calibration values and optionally precharge the banks. */ -static void rw_mgr_mem_load_user(const u32 fin1, const u32 fin2, +static void rw_mgr_mem_load_user(struct socfpga_sdrseq *seq, + const u32 fin1, const u32 fin2, const int precharge) { u32 grpaddr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET; u32 r;

- for (r = 0; r < rwcfg->mem_number_of_ranks; r++) { + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r++) { /* set rank */ - set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF); + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_OFF);

/* precharge all banks ... */ if (precharge) - writel(rwcfg->precharge_all, grpaddr); + writel(seq->rwcfg->precharge_all, grpaddr);

/* * USER Use Mirror-ed commands for odd ranks if address * mirrorring is on */ - if ((rwcfg->mem_address_mirroring >> r) & 0x1) { - set_jump_as_return(); - writel(rwcfg->mrs2_mirr, grpaddr); - delay_for_n_mem_clocks(4); - set_jump_as_return(); - writel(rwcfg->mrs3_mirr, grpaddr); - delay_for_n_mem_clocks(4); - set_jump_as_return(); - writel(rwcfg->mrs1_mirr, grpaddr); - delay_for_n_mem_clocks(4); - set_jump_as_return(); + if ((seq->rwcfg->mem_address_mirroring >> r) & 0x1) { + set_jump_as_return(seq); + writel(seq->rwcfg->mrs2_mirr, grpaddr); + delay_for_n_mem_clocks(seq, 4); + set_jump_as_return(seq); + writel(seq->rwcfg->mrs3_mirr, grpaddr); + delay_for_n_mem_clocks(seq, 4); + set_jump_as_return(seq); + writel(seq->rwcfg->mrs1_mirr, grpaddr); + delay_for_n_mem_clocks(seq, 4); + set_jump_as_return(seq); writel(fin1, grpaddr); } else { - set_jump_as_return(); - writel(rwcfg->mrs2, grpaddr); - delay_for_n_mem_clocks(4); - set_jump_as_return(); - writel(rwcfg->mrs3, grpaddr); - delay_for_n_mem_clocks(4); - set_jump_as_return(); - writel(rwcfg->mrs1, grpaddr); - set_jump_as_return(); + set_jump_as_return(seq); + writel(seq->rwcfg->mrs2, grpaddr); + delay_for_n_mem_clocks(seq, 4); + set_jump_as_return(seq); + writel(seq->rwcfg->mrs3, grpaddr); + delay_for_n_mem_clocks(seq, 4); + set_jump_as_return(seq); + writel(seq->rwcfg->mrs1, grpaddr); + set_jump_as_return(seq); writel(fin2, grpaddr); }

if (precharge) continue;

- set_jump_as_return(); - writel(rwcfg->zqcl, grpaddr); + set_jump_as_return(seq); + writel(seq->rwcfg->zqcl, grpaddr);

/* tZQinit = tDLLK = 512 ck cycles */ - delay_for_n_mem_clocks(512); + delay_for_n_mem_clocks(seq, 512); } }

@@ -933,7 +940,7 @@ static void rw_mgr_mem_load_user(const u32 fin1, const u32 fin2, * * Initialize RW Manager. */ -static void rw_mgr_mem_initialize(void) +static void rw_mgr_mem_initialize(struct socfpga_sdrseq *seq) { debug("%s:%d\n", __func__, __LINE__);

@@ -964,10 +971,10 @@ static void rw_mgr_mem_initialize(void) * One possible solution is n = 0 , a = 256 , b = 106 => a = FF, * b = 6A */ - rw_mgr_mem_init_load_regs(misccfg->tinit_cntr0_val, - misccfg->tinit_cntr1_val, - misccfg->tinit_cntr2_val, - rwcfg->init_reset_0_cke_0); + rw_mgr_mem_init_load_regs(seq, seq->misccfg->tinit_cntr0_val, + seq->misccfg->tinit_cntr1_val, + seq->misccfg->tinit_cntr2_val, + seq->rwcfg->init_reset_0_cke_0);

/* Indicate that memory is stable. */ writel(1, &phy_mgr_cfg->reset_mem_stbl); @@ -986,18 +993,18 @@ static void rw_mgr_mem_initialize(void) * One possible solution is n = 2 , a = 131 , b = 256 => a = 83, * b = FF */ - rw_mgr_mem_init_load_regs(misccfg->treset_cntr0_val, - misccfg->treset_cntr1_val, - misccfg->treset_cntr2_val, - rwcfg->init_reset_1_cke_0); + rw_mgr_mem_init_load_regs(seq, seq->misccfg->treset_cntr0_val, + seq->misccfg->treset_cntr1_val, + seq->misccfg->treset_cntr2_val, + seq->rwcfg->init_reset_1_cke_0);

/* Bring up clock enable. */

/* tXRP < 250 ck cycles */ - delay_for_n_mem_clocks(250); + delay_for_n_mem_clocks(seq, 250);

- rw_mgr_mem_load_user(rwcfg->mrs0_dll_reset_mirr, rwcfg->mrs0_dll_reset, - 0); + rw_mgr_mem_load_user(seq, seq->rwcfg->mrs0_dll_reset_mirr, + seq->rwcfg->mrs0_dll_reset, 0); }

/** @@ -1006,9 +1013,10 @@ static void rw_mgr_mem_initialize(void) * At the end of calibration we have to program the user settings in * and hand off the memory to the user. */ -static void rw_mgr_mem_handoff(void) +static void rw_mgr_mem_handoff(struct socfpga_sdrseq *seq) { - rw_mgr_mem_load_user(rwcfg->mrs0_user_mirr, rwcfg->mrs0_user, 1); + rw_mgr_mem_load_user(seq, seq->rwcfg->mrs0_user_mirr, + seq->rwcfg->mrs0_user, 1); /* * Need to wait tMOD (12CK or 15ns) time before issuing other * commands, but we will have plenty of NIOS cycles before actual @@ -1024,12 +1032,12 @@ static void rw_mgr_mem_handoff(void) * Issue write test command. Two variants are provided, one that just tests * a write pattern and another that tests datamask functionality. */ -static void rw_mgr_mem_calibrate_write_test_issue(u32 group, - u32 test_dm) +static void rw_mgr_mem_calibrate_write_test_issue(struct socfpga_sdrseq *seq, + u32 group, u32 test_dm) { const u32 quick_write_mode = (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) && - misccfg->enable_super_quick_calibration; + seq->misccfg->enable_super_quick_calibration; u32 mcc_instruction; u32 rw_wl_nop_cycles;

@@ -1059,7 +1067,7 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group, * one counter left to issue this command in "multiple-group" mode */

- rw_wl_nop_cycles = gbl->rw_wl_nop_cycles; + rw_wl_nop_cycles = seq->gbl.rw_wl_nop_cycles;

if (rw_wl_nop_cycles == -1) { /* @@ -1072,16 +1080,16 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group,

/* CNTR 3 - Not used */ if (test_dm) { - mcc_instruction = rwcfg->lfsr_wr_rd_dm_bank_0_wl_1; - writel(rwcfg->lfsr_wr_rd_dm_bank_0_data, + mcc_instruction = seq->rwcfg->lfsr_wr_rd_dm_bank_0_wl_1; + writel(seq->rwcfg->lfsr_wr_rd_dm_bank_0_data, &sdr_rw_load_jump_mgr_regs->load_jump_add2); - writel(rwcfg->lfsr_wr_rd_dm_bank_0_nop, + writel(seq->rwcfg->lfsr_wr_rd_dm_bank_0_nop, &sdr_rw_load_jump_mgr_regs->load_jump_add3); } else { - mcc_instruction = rwcfg->lfsr_wr_rd_bank_0_wl_1; - writel(rwcfg->lfsr_wr_rd_bank_0_data, + mcc_instruction = seq->rwcfg->lfsr_wr_rd_bank_0_wl_1; + writel(seq->rwcfg->lfsr_wr_rd_bank_0_data, &sdr_rw_load_jump_mgr_regs->load_jump_add2); - writel(rwcfg->lfsr_wr_rd_bank_0_nop, + writel(seq->rwcfg->lfsr_wr_rd_bank_0_nop, &sdr_rw_load_jump_mgr_regs->load_jump_add3); } } else if (rw_wl_nop_cycles == 0) { @@ -1094,12 +1102,12 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group,

/* CNTR 3 - Not used */ if (test_dm) { - mcc_instruction = rwcfg->lfsr_wr_rd_dm_bank_0; - writel(rwcfg->lfsr_wr_rd_dm_bank_0_dqs, + mcc_instruction = seq->rwcfg->lfsr_wr_rd_dm_bank_0; + writel(seq->rwcfg->lfsr_wr_rd_dm_bank_0_dqs, &sdr_rw_load_jump_mgr_regs->load_jump_add2); } else { - mcc_instruction = rwcfg->lfsr_wr_rd_bank_0; - writel(rwcfg->lfsr_wr_rd_bank_0_dqs, + mcc_instruction = seq->rwcfg->lfsr_wr_rd_bank_0; + writel(seq->rwcfg->lfsr_wr_rd_bank_0_dqs, &sdr_rw_load_jump_mgr_regs->load_jump_add2); } } else { @@ -1117,12 +1125,12 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group, */ writel(rw_wl_nop_cycles - 1, &sdr_rw_load_mgr_regs->load_cntr3); if (test_dm) { - mcc_instruction = rwcfg->lfsr_wr_rd_dm_bank_0; - writel(rwcfg->lfsr_wr_rd_dm_bank_0_nop, + mcc_instruction = seq->rwcfg->lfsr_wr_rd_dm_bank_0; + writel(seq->rwcfg->lfsr_wr_rd_dm_bank_0_nop, &sdr_rw_load_jump_mgr_regs->load_jump_add3); } else { - mcc_instruction = rwcfg->lfsr_wr_rd_bank_0; - writel(rwcfg->lfsr_wr_rd_bank_0_nop, + mcc_instruction = seq->rwcfg->lfsr_wr_rd_bank_0; + writel(seq->rwcfg->lfsr_wr_rd_bank_0_nop, &sdr_rw_load_jump_mgr_regs->load_jump_add3); } } @@ -1144,10 +1152,10 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group, writel(0x30, &sdr_rw_load_mgr_regs->load_cntr1);

if (test_dm) { - writel(rwcfg->lfsr_wr_rd_dm_bank_0_wait, + writel(seq->rwcfg->lfsr_wr_rd_dm_bank_0_wait, &sdr_rw_load_jump_mgr_regs->load_jump_add1); } else { - writel(rwcfg->lfsr_wr_rd_bank_0_wait, + writel(seq->rwcfg->lfsr_wr_rd_bank_0_wait, &sdr_rw_load_jump_mgr_regs->load_jump_add1); }

@@ -1157,7 +1165,8 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group, }

/** - * rw_mgr_mem_calibrate_write_test() - Test writes, check for single/multiple pass + * rw_mgr_mem_calibrate_write_test() - Test writes, check for single/multiple + * pass * @rank_bgn: Rank number * @write_group: Write Group * @use_dm: Use DM @@ -1168,36 +1177,38 @@ static void rw_mgr_mem_calibrate_write_test_issue(u32 group, * Test writes, can check for a single bit pass or multiple bit pass. */ static int -rw_mgr_mem_calibrate_write_test(const u32 rank_bgn, const u32 write_group, +rw_mgr_mem_calibrate_write_test(struct socfpga_sdrseq *seq, + const u32 rank_bgn, const u32 write_group, const u32 use_dm, const u32 all_correct, u32 *bit_chk, const u32 all_ranks) { const u32 rank_end = all_ranks ? - rwcfg->mem_number_of_ranks : + seq->rwcfg->mem_number_of_ranks : (rank_bgn + NUM_RANKS_PER_SHADOW_REG); - const u32 shift_ratio = rwcfg->mem_dq_per_write_dqs / - rwcfg->mem_virtual_groups_per_write_dqs; - const u32 correct_mask_vg = param->write_correct_mask_vg; + const u32 shift_ratio = seq->rwcfg->mem_dq_per_write_dqs / + seq->rwcfg->mem_virtual_groups_per_write_dqs; + const u32 correct_mask_vg = seq->param.write_correct_mask_vg;

- u32 tmp_bit_chk, base_rw_mgr; + u32 tmp_bit_chk, base_rw_mgr, group; int vg, r;

- *bit_chk = param->write_correct_mask; + *bit_chk = seq->param.write_correct_mask;

for (r = rank_bgn; r < rank_end; r++) { /* Set rank */ - set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_READ_WRITE); + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_READ_WRITE);

tmp_bit_chk = 0; - for (vg = rwcfg->mem_virtual_groups_per_write_dqs - 1; + for (vg = seq->rwcfg->mem_virtual_groups_per_write_dqs - 1; vg >= 0; vg--) { /* Reset the FIFOs to get pointers to known state. */ writel(0, &phy_mgr_cmd->fifo_reset);

- rw_mgr_mem_calibrate_write_test_issue( - write_group * - rwcfg->mem_virtual_groups_per_write_dqs + vg, - use_dm); + group = write_group * + seq->rwcfg->mem_virtual_groups_per_write_dqs + + vg; + rw_mgr_mem_calibrate_write_test_issue(seq, group, + use_dm);

base_rw_mgr = readl(SDR_PHYGRP_RWMGRGRP_ADDRESS); tmp_bit_chk <<= shift_ratio; @@ -1207,14 +1218,14 @@ rw_mgr_mem_calibrate_write_test(const u32 rank_bgn, const u32 write_group, *bit_chk &= tmp_bit_chk; }

- set_rank_and_odt_mask(0, RW_MGR_ODT_MODE_OFF); + set_rank_and_odt_mask(seq, 0, RW_MGR_ODT_MODE_OFF); if (all_correct) { debug_cond(DLEVEL >= 2, "write_test(%u,%u,ALL) : %u == %u => %i\n", write_group, use_dm, *bit_chk, - param->write_correct_mask, - *bit_chk == param->write_correct_mask); - return *bit_chk == param->write_correct_mask; + seq->param.write_correct_mask, + *bit_chk == seq->param.write_correct_mask); + return *bit_chk == seq->param.write_correct_mask; } else { debug_cond(DLEVEL >= 2, "write_test(%u,%u,ONE) : %u != %i => %i\n", @@ -1233,47 +1244,49 @@ rw_mgr_mem_calibrate_write_test(const u32 rank_bgn, const u32 write_group, * read test to ensure memory works. */ static int -rw_mgr_mem_calibrate_read_test_patterns(const u32 rank_bgn, const u32 group, +rw_mgr_mem_calibrate_read_test_patterns(struct socfpga_sdrseq *seq, + const u32 rank_bgn, const u32 group, const u32 all_ranks) { const u32 addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET; const u32 addr_offset = - (group * rwcfg->mem_virtual_groups_per_read_dqs) << 2; + (group * seq->rwcfg->mem_virtual_groups_per_read_dqs) + << 2; const u32 rank_end = all_ranks ? - rwcfg->mem_number_of_ranks : + seq->rwcfg->mem_number_of_ranks : (rank_bgn + NUM_RANKS_PER_SHADOW_REG); - const u32 shift_ratio = rwcfg->mem_dq_per_read_dqs / - rwcfg->mem_virtual_groups_per_read_dqs; - const u32 correct_mask_vg = param->read_correct_mask_vg; + const u32 shift_ratio = seq->rwcfg->mem_dq_per_read_dqs / + seq->rwcfg->mem_virtual_groups_per_read_dqs; + const u32 correct_mask_vg = seq->param.read_correct_mask_vg;

u32 tmp_bit_chk, base_rw_mgr, bit_chk; int vg, r; int ret = 0;

- bit_chk = param->read_correct_mask; + bit_chk = seq->param.read_correct_mask;

for (r = rank_bgn; r < rank_end; r++) { /* Set rank */ - set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_READ_WRITE); + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_READ_WRITE);

/* Load up a constant bursts of read commands */ writel(0x20, &sdr_rw_load_mgr_regs->load_cntr0); - writel(rwcfg->guaranteed_read, + writel(seq->rwcfg->guaranteed_read, &sdr_rw_load_jump_mgr_regs->load_jump_add0);

writel(0x20, &sdr_rw_load_mgr_regs->load_cntr1); - writel(rwcfg->guaranteed_read_cont, + writel(seq->rwcfg->guaranteed_read_cont, &sdr_rw_load_jump_mgr_regs->load_jump_add1);

tmp_bit_chk = 0; - for (vg = rwcfg->mem_virtual_groups_per_read_dqs - 1; + for (vg = seq->rwcfg->mem_virtual_groups_per_read_dqs - 1; vg >= 0; vg--) { /* Reset the FIFOs to get pointers to known state. */ writel(0, &phy_mgr_cmd->fifo_reset); writel(0, SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RESET_READ_DATAPATH_OFFSET); - writel(rwcfg->guaranteed_read, + writel(seq->rwcfg->guaranteed_read, addr + addr_offset + (vg << 2));

base_rw_mgr = readl(SDR_PHYGRP_RWMGRGRP_ADDRESS); @@ -1284,33 +1297,35 @@ rw_mgr_mem_calibrate_read_test_patterns(const u32 rank_bgn, const u32 group, bit_chk &= tmp_bit_chk; }

- writel(rwcfg->clear_dqs_enable, addr + (group << 2)); + writel(seq->rwcfg->clear_dqs_enable, addr + (group << 2));

- set_rank_and_odt_mask(0, RW_MGR_ODT_MODE_OFF); + set_rank_and_odt_mask(seq, 0, RW_MGR_ODT_MODE_OFF);

- if (bit_chk != param->read_correct_mask) + if (bit_chk != seq->param.read_correct_mask) ret = -EIO;

debug_cond(DLEVEL >= 1, "%s:%d test_load_patterns(%u,ALL) => (%u == %u) => %i\n", __func__, __LINE__, group, bit_chk, - param->read_correct_mask, ret); + seq->param.read_correct_mask, ret);

return ret; }

/** - * rw_mgr_mem_calibrate_read_load_patterns() - Load up the patterns for read test + * rw_mgr_mem_calibrate_read_load_patterns() - Load up the patterns for read + * test * @rank_bgn: Rank number * @all_ranks: Test all ranks * * Load up the patterns we are going to use during a read test. */ -static void rw_mgr_mem_calibrate_read_load_patterns(const u32 rank_bgn, +static void rw_mgr_mem_calibrate_read_load_patterns(struct socfpga_sdrseq *seq, + const u32 rank_bgn, const int all_ranks) { const u32 rank_end = all_ranks ? - rwcfg->mem_number_of_ranks : + seq->rwcfg->mem_number_of_ranks : (rank_bgn + NUM_RANKS_PER_SHADOW_REG); u32 r;

@@ -1318,34 +1333,35 @@ static void rw_mgr_mem_calibrate_read_load_patterns(const u32 rank_bgn,

for (r = rank_bgn; r < rank_end; r++) { /* set rank */ - set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_READ_WRITE); + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_READ_WRITE);

/* Load up a constant bursts */ writel(0x20, &sdr_rw_load_mgr_regs->load_cntr0);

- writel(rwcfg->guaranteed_write_wait0, + writel(seq->rwcfg->guaranteed_write_wait0, &sdr_rw_load_jump_mgr_regs->load_jump_add0);

writel(0x20, &sdr_rw_load_mgr_regs->load_cntr1);

- writel(rwcfg->guaranteed_write_wait1, + writel(seq->rwcfg->guaranteed_write_wait1, &sdr_rw_load_jump_mgr_regs->load_jump_add1);

writel(0x04, &sdr_rw_load_mgr_regs->load_cntr2);

- writel(rwcfg->guaranteed_write_wait2, + writel(seq->rwcfg->guaranteed_write_wait2, &sdr_rw_load_jump_mgr_regs->load_jump_add2);

writel(0x04, &sdr_rw_load_mgr_regs->load_cntr3);

- writel(rwcfg->guaranteed_write_wait3, + writel(seq->rwcfg->guaranteed_write_wait3, &sdr_rw_load_jump_mgr_regs->load_jump_add3);

- writel(rwcfg->guaranteed_write, SDR_PHYGRP_RWMGRGRP_ADDRESS | - RW_MGR_RUN_SINGLE_GROUP_OFFSET); + writel(seq->rwcfg->guaranteed_write, + SDR_PHYGRP_RWMGRGRP_ADDRESS | + RW_MGR_RUN_SINGLE_GROUP_OFFSET); }

- set_rank_and_odt_mask(0, RW_MGR_ODT_MODE_OFF); + set_rank_and_odt_mask(seq, 0, RW_MGR_ODT_MODE_OFF); }

/** @@ -1363,36 +1379,37 @@ static void rw_mgr_mem_calibrate_read_load_patterns(const u32 rank_bgn, * checks than the regular read test. */ static int -rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group, +rw_mgr_mem_calibrate_read_test(struct socfpga_sdrseq *seq, + const u32 rank_bgn, const u32 group, const u32 num_tries, const u32 all_correct, u32 *bit_chk, const u32 all_groups, const u32 all_ranks) { - const u32 rank_end = all_ranks ? rwcfg->mem_number_of_ranks : + const u32 rank_end = all_ranks ? seq->rwcfg->mem_number_of_ranks : (rank_bgn + NUM_RANKS_PER_SHADOW_REG); const u32 quick_read_mode = ((STATIC_CALIB_STEPS & CALIB_SKIP_DELAY_SWEEPS) && - misccfg->enable_super_quick_calibration); - u32 correct_mask_vg = param->read_correct_mask_vg; + seq->misccfg->enable_super_quick_calibration); + u32 correct_mask_vg = seq->param.read_correct_mask_vg; u32 tmp_bit_chk; u32 base_rw_mgr; u32 addr;

int r, vg, ret;

- *bit_chk = param->read_correct_mask; + *bit_chk = seq->param.read_correct_mask;

for (r = rank_bgn; r < rank_end; r++) { /* set rank */ - set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_READ_WRITE); + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_READ_WRITE);

writel(0x10, &sdr_rw_load_mgr_regs->load_cntr1);

- writel(rwcfg->read_b2b_wait1, + writel(seq->rwcfg->read_b2b_wait1, &sdr_rw_load_jump_mgr_regs->load_jump_add1);

writel(0x10, &sdr_rw_load_mgr_regs->load_cntr2); - writel(rwcfg->read_b2b_wait2, + writel(seq->rwcfg->read_b2b_wait2, &sdr_rw_load_jump_mgr_regs->load_jump_add2);

if (quick_read_mode) @@ -1403,21 +1420,21 @@ rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group, else writel(0x32, &sdr_rw_load_mgr_regs->load_cntr0);

- writel(rwcfg->read_b2b, + writel(seq->rwcfg->read_b2b, &sdr_rw_load_jump_mgr_regs->load_jump_add0); if (all_groups) - writel(rwcfg->mem_if_read_dqs_width * - rwcfg->mem_virtual_groups_per_read_dqs - 1, + writel(seq->rwcfg->mem_if_read_dqs_width * + seq->rwcfg->mem_virtual_groups_per_read_dqs - 1, &sdr_rw_load_mgr_regs->load_cntr3); else writel(0x0, &sdr_rw_load_mgr_regs->load_cntr3);

- writel(rwcfg->read_b2b, + writel(seq->rwcfg->read_b2b, &sdr_rw_load_jump_mgr_regs->load_jump_add3);

tmp_bit_chk = 0; - for (vg = rwcfg->mem_virtual_groups_per_read_dqs - 1; vg >= 0; - vg--) { + for (vg = seq->rwcfg->mem_virtual_groups_per_read_dqs - 1; + vg >= 0; vg--) { /* Reset the FIFOs to get pointers to known state. */ writel(0, &phy_mgr_cmd->fifo_reset); writel(0, SDR_PHYGRP_RWMGRGRP_ADDRESS | @@ -1431,14 +1448,15 @@ rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group, RW_MGR_RUN_SINGLE_GROUP_OFFSET; }

- writel(rwcfg->read_b2b, addr + + writel(seq->rwcfg->read_b2b, addr + ((group * - rwcfg->mem_virtual_groups_per_read_dqs + + seq->rwcfg->mem_virtual_groups_per_read_dqs + vg) << 2));

base_rw_mgr = readl(SDR_PHYGRP_RWMGRGRP_ADDRESS); - tmp_bit_chk <<= rwcfg->mem_dq_per_read_dqs / - rwcfg->mem_virtual_groups_per_read_dqs; + tmp_bit_chk <<= + seq->rwcfg->mem_dq_per_read_dqs / + seq->rwcfg->mem_virtual_groups_per_read_dqs; tmp_bit_chk |= correct_mask_vg & ~(base_rw_mgr); }

@@ -1446,16 +1464,16 @@ rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group, }

addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET; - writel(rwcfg->clear_dqs_enable, addr + (group << 2)); + writel(seq->rwcfg->clear_dqs_enable, addr + (group << 2));

- set_rank_and_odt_mask(0, RW_MGR_ODT_MODE_OFF); + set_rank_and_odt_mask(seq, 0, RW_MGR_ODT_MODE_OFF);

if (all_correct) { - ret = (*bit_chk == param->read_correct_mask); + ret = (*bit_chk == seq->param.read_correct_mask); debug_cond(DLEVEL >= 2, "%s:%d read_test(%u,ALL,%u) => (%u == %u) => %i\n", __func__, __LINE__, group, all_groups, *bit_chk, - param->read_correct_mask, ret); + seq->param.read_correct_mask, ret); } else { ret = (*bit_chk != 0x00); debug_cond(DLEVEL >= 2, @@ -1477,13 +1495,15 @@ rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group, * Perform a READ test across all memory ranks. */ static int -rw_mgr_mem_calibrate_read_test_all_ranks(const u32 grp, const u32 num_tries, +rw_mgr_mem_calibrate_read_test_all_ranks(struct socfpga_sdrseq *seq, + const u32 grp, const u32 num_tries, const u32 all_correct, const u32 all_groups) { u32 bit_chk; - return rw_mgr_mem_calibrate_read_test(0, grp, num_tries, all_correct, - &bit_chk, all_groups, 1); + return rw_mgr_mem_calibrate_read_test(seq, 0, grp, num_tries, + all_correct, &bit_chk, all_groups, + 1); }

/** @@ -1503,11 +1523,11 @@ static void rw_mgr_incr_vfifo(const u32 grp) * * Decrease VFIFO value. */ -static void rw_mgr_decr_vfifo(const u32 grp) +static void rw_mgr_decr_vfifo(struct socfpga_sdrseq *seq, const u32 grp) { u32 i;

- for (i = 0; i < misccfg->read_valid_fifo_size - 1; i++) + for (i = 0; i < seq->misccfg->read_valid_fifo_size - 1; i++) rw_mgr_incr_vfifo(grp); }

@@ -1517,15 +1537,16 @@ static void rw_mgr_decr_vfifo(const u32 grp) * * Push VFIFO until a failing read happens. */ -static int find_vfifo_failing_read(const u32 grp) +static int find_vfifo_failing_read(struct socfpga_sdrseq *seq, + const u32 grp) { u32 v, ret, fail_cnt = 0;

- for (v = 0; v < misccfg->read_valid_fifo_size; v++) { + for (v = 0; v < seq->misccfg->read_valid_fifo_size; v++) { debug_cond(DLEVEL >= 2, "%s:%d: vfifo %u\n", __func__, __LINE__, v); - ret = rw_mgr_mem_calibrate_read_test_all_ranks(grp, 1, - PASS_ONE_BIT, 0); + ret = rw_mgr_mem_calibrate_read_test_all_ranks(seq, grp, 1, + PASS_ONE_BIT, 0); if (!ret) { fail_cnt++;

@@ -1553,21 +1574,22 @@ static int find_vfifo_failing_read(const u32 grp) * * Find working or non-working DQS enable phase setting. */ -static int sdr_find_phase_delay(int working, int delay, const u32 grp, - u32 *work, const u32 work_inc, u32 *pd) +static int sdr_find_phase_delay(struct socfpga_sdrseq *seq, int working, + int delay, const u32 grp, u32 *work, + const u32 work_inc, u32 *pd) { - const u32 max = delay ? iocfg->dqs_en_delay_max : - iocfg->dqs_en_phase_max; + const u32 max = delay ? seq->iocfg->dqs_en_delay_max : + seq->iocfg->dqs_en_phase_max; u32 ret;

for (; *pd <= max; (*pd)++) { if (delay) - scc_mgr_set_dqs_en_delay_all_ranks(grp, *pd); + scc_mgr_set_dqs_en_delay_all_ranks(seq, grp, *pd); else - scc_mgr_set_dqs_en_phase_all_ranks(grp, *pd); + scc_mgr_set_dqs_en_phase_all_ranks(seq, grp, *pd);

- ret = rw_mgr_mem_calibrate_read_test_all_ranks(grp, 1, - PASS_ONE_BIT, 0); + ret = rw_mgr_mem_calibrate_read_test_all_ranks(seq, grp, 1, + PASS_ONE_BIT, 0); if (!working) ret = !ret;

@@ -1590,22 +1612,22 @@ static int sdr_find_phase_delay(int working, int delay, const u32 grp, * * Find working or non-working DQS enable phase setting. */ -static int sdr_find_phase(int working, const u32 grp, u32 *work, - u32 *i, u32 *p) +static int sdr_find_phase(struct socfpga_sdrseq *seq, int working, + const u32 grp, u32 *work, u32 *i, u32 *p) { - const u32 end = misccfg->read_valid_fifo_size + (working ? 0 : 1); + const u32 end = seq->misccfg->read_valid_fifo_size + (working ? 0 : 1); int ret;

for (; *i < end; (*i)++) { if (working) *p = 0;

- ret = sdr_find_phase_delay(working, 0, grp, work, - iocfg->delay_per_opa_tap, p); + ret = sdr_find_phase_delay(seq, working, 0, grp, work, + seq->iocfg->delay_per_opa_tap, p); if (!ret) return 0;

- if (*p > iocfg->dqs_en_phase_max) { + if (*p > seq->iocfg->dqs_en_phase_max) { /* Fiddle with FIFO. */ rw_mgr_incr_vfifo(grp); if (!working) @@ -1626,22 +1648,22 @@ static int sdr_find_phase(int working, const u32 grp, u32 *work, * * Find working DQS enable phase setting. */ -static int sdr_working_phase(const u32 grp, u32 *work_bgn, u32 *d, - u32 *p, u32 *i) +static int sdr_working_phase(struct socfpga_sdrseq *seq, const u32 grp, + u32 *work_bgn, u32 *d, u32 *p, u32 *i) { - const u32 dtaps_per_ptap = iocfg->delay_per_opa_tap / - iocfg->delay_per_dqs_en_dchain_tap; + const u32 dtaps_per_ptap = seq->iocfg->delay_per_opa_tap / + seq->iocfg->delay_per_dqs_en_dchain_tap; int ret;

*work_bgn = 0;

for (*d = 0; *d <= dtaps_per_ptap; (*d)++) { *i = 0; - scc_mgr_set_dqs_en_delay_all_ranks(grp, *d); - ret = sdr_find_phase(1, grp, work_bgn, i, p); + scc_mgr_set_dqs_en_delay_all_ranks(seq, grp, *d); + ret = sdr_find_phase(seq, 1, grp, work_bgn, i, p); if (!ret) return 0; - *work_bgn += iocfg->delay_per_dqs_en_dchain_tap; + *work_bgn += seq->iocfg->delay_per_dqs_en_dchain_tap; }

/* Cannot find working solution */ @@ -1658,43 +1680,44 @@ static int sdr_working_phase(const u32 grp, u32 *work_bgn, u32 *d, * * Find DQS enable backup phase setting. */ -static void sdr_backup_phase(const u32 grp, u32 *work_bgn, u32 *p) +static void sdr_backup_phase(struct socfpga_sdrseq *seq, const u32 grp, + u32 *work_bgn, u32 *p) { u32 tmp_delay, d; int ret;

/* Special case code for backing up a phase */ if (*p == 0) { - *p = iocfg->dqs_en_phase_max; - rw_mgr_decr_vfifo(grp); + *p = seq->iocfg->dqs_en_phase_max; + rw_mgr_decr_vfifo(seq, grp); } else { (*p)--; } - tmp_delay = *work_bgn - iocfg->delay_per_opa_tap; - scc_mgr_set_dqs_en_phase_all_ranks(grp, *p); + tmp_delay = *work_bgn - seq->iocfg->delay_per_opa_tap; + scc_mgr_set_dqs_en_phase_all_ranks(seq, grp, *p);

- for (d = 0; d <= iocfg->dqs_en_delay_max && tmp_delay < *work_bgn; + for (d = 0; d <= seq->iocfg->dqs_en_delay_max && tmp_delay < *work_bgn; d++) { - scc_mgr_set_dqs_en_delay_all_ranks(grp, d); + scc_mgr_set_dqs_en_delay_all_ranks(seq, grp, d);

- ret = rw_mgr_mem_calibrate_read_test_all_ranks(grp, 1, - PASS_ONE_BIT, 0); + ret = rw_mgr_mem_calibrate_read_test_all_ranks(seq, grp, 1, + PASS_ONE_BIT, 0); if (ret) { *work_bgn = tmp_delay; break; }

- tmp_delay += iocfg->delay_per_dqs_en_dchain_tap; + tmp_delay += seq->iocfg->delay_per_dqs_en_dchain_tap; }

/* Restore VFIFO to old state before we decremented it (if needed). */ (*p)++; - if (*p > iocfg->dqs_en_phase_max) { + if (*p > seq->iocfg->dqs_en_phase_max) { *p = 0; rw_mgr_incr_vfifo(grp); }

- scc_mgr_set_dqs_en_delay_all_ranks(grp, 0); + scc_mgr_set_dqs_en_delay_all_ranks(seq, grp, 0); }

/** @@ -1706,19 +1729,20 @@ static void sdr_backup_phase(const u32 grp, u32 *work_bgn, u32 *p) * * Find non-working DQS enable phase setting. */ -static int sdr_nonworking_phase(const u32 grp, u32 *work_end, u32 *p, u32 *i) +static int sdr_nonworking_phase(struct socfpga_sdrseq *seq, + const u32 grp, u32 *work_end, u32 *p, u32 *i) { int ret;

(*p)++; - *work_end += iocfg->delay_per_opa_tap; - if (*p > iocfg->dqs_en_phase_max) { + *work_end += seq->iocfg->delay_per_opa_tap; + if (*p > seq->iocfg->dqs_en_phase_max) { /* Fiddle with FIFO. */ *p = 0; rw_mgr_incr_vfifo(grp); }

- ret = sdr_find_phase(0, grp, work_end, i, p); + ret = sdr_find_phase(seq, 0, grp, work_end, i, p); if (ret) { /* Cannot see edge of failing read. */ debug_cond(DLEVEL >= 2, "%s:%d: end: failed\n", @@ -1736,7 +1760,8 @@ static int sdr_nonworking_phase(const u32 grp, u32 *work_end, u32 *p, u32 *i) * * Find center of the working DQS enable window. */ -static int sdr_find_window_center(const u32 grp, const u32 work_bgn, +static int sdr_find_window_center(struct socfpga_sdrseq *seq, + const u32 grp, const u32 work_bgn, const u32 work_end) { u32 work_mid; @@ -1748,37 +1773,41 @@ static int sdr_find_window_center(const u32 grp, const u32 work_bgn, debug_cond(DLEVEL >= 2, "work_bgn=%d work_end=%d work_mid=%d\n", work_bgn, work_end, work_mid); /* Get the middle delay to be less than a VFIFO delay */ - tmp_delay = (iocfg->dqs_en_phase_max + 1) * iocfg->delay_per_opa_tap; + tmp_delay = (seq->iocfg->dqs_en_phase_max + 1) + * seq->iocfg->delay_per_opa_tap;

debug_cond(DLEVEL >= 2, "vfifo ptap delay %d\n", tmp_delay); work_mid %= tmp_delay; debug_cond(DLEVEL >= 2, "new work_mid %d\n", work_mid);

- tmp_delay = rounddown(work_mid, iocfg->delay_per_opa_tap); - if (tmp_delay > iocfg->dqs_en_phase_max * iocfg->delay_per_opa_tap) - tmp_delay = iocfg->dqs_en_phase_max * iocfg->delay_per_opa_tap; - p = tmp_delay / iocfg->delay_per_opa_tap; + tmp_delay = rounddown(work_mid, seq->iocfg->delay_per_opa_tap); + if (tmp_delay > seq->iocfg->dqs_en_phase_max + * seq->iocfg->delay_per_opa_tap) { + tmp_delay = seq->iocfg->dqs_en_phase_max + * seq->iocfg->delay_per_opa_tap; + } + p = tmp_delay / seq->iocfg->delay_per_opa_tap;

debug_cond(DLEVEL >= 2, "new p %d, tmp_delay=%d\n", p, tmp_delay);

d = DIV_ROUND_UP(work_mid - tmp_delay, - iocfg->delay_per_dqs_en_dchain_tap); - if (d > iocfg->dqs_en_delay_max) - d = iocfg->dqs_en_delay_max; - tmp_delay += d * iocfg->delay_per_dqs_en_dchain_tap; + seq->iocfg->delay_per_dqs_en_dchain_tap); + if (d > seq->iocfg->dqs_en_delay_max) + d = seq->iocfg->dqs_en_delay_max; + tmp_delay += d * seq->iocfg->delay_per_dqs_en_dchain_tap;

debug_cond(DLEVEL >= 2, "new d %d, tmp_delay=%d\n", d, tmp_delay);

- scc_mgr_set_dqs_en_phase_all_ranks(grp, p); - scc_mgr_set_dqs_en_delay_all_ranks(grp, d); + scc_mgr_set_dqs_en_phase_all_ranks(seq, grp, p); + scc_mgr_set_dqs_en_delay_all_ranks(seq, grp, d);

/* * push vfifo until we can successfully calibrate. We can do this * because the largest possible margin in 1 VFIFO cycle. */ - for (i = 0; i < misccfg->read_valid_fifo_size; i++) { + for (i = 0; i < seq->misccfg->read_valid_fifo_size; i++) { debug_cond(DLEVEL >= 2, "find_dqs_en_phase: center\n"); - if (rw_mgr_mem_calibrate_read_test_all_ranks(grp, 1, + if (rw_mgr_mem_calibrate_read_test_all_ranks(seq, grp, 1, PASS_ONE_BIT, 0)) { debug_cond(DLEVEL >= 2, @@ -1797,12 +1826,15 @@ static int sdr_find_window_center(const u32 grp, const u32 work_bgn, }

/** - * rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase() - Find a good DQS enable to use + * rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase() - Find a good DQS enable to + * use * @grp: Read/Write Group * * Find a good DQS enable to use. */ -static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) +static int +rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(struct socfpga_sdrseq *seq, + const u32 grp) { u32 d, p, i; u32 dtaps_per_ptap; @@ -1814,19 +1846,19 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp)

reg_file_set_sub_stage(CAL_SUBSTAGE_VFIFO_CENTER);

- scc_mgr_set_dqs_en_delay_all_ranks(grp, 0); - scc_mgr_set_dqs_en_phase_all_ranks(grp, 0); + scc_mgr_set_dqs_en_delay_all_ranks(seq, grp, 0); + scc_mgr_set_dqs_en_phase_all_ranks(seq, grp, 0);

/* Step 0: Determine number of delay taps for each phase tap. */ - dtaps_per_ptap = iocfg->delay_per_opa_tap / - iocfg->delay_per_dqs_en_dchain_tap; + dtaps_per_ptap = seq->iocfg->delay_per_opa_tap / + seq->iocfg->delay_per_dqs_en_dchain_tap;

/* Step 1: First push vfifo until we get a failing read. */ - find_vfifo_failing_read(grp); + find_vfifo_failing_read(seq, grp);

/* Step 2: Find first working phase, increment in ptaps. */ work_bgn = 0; - ret = sdr_working_phase(grp, &work_bgn, &d, &p, &i); + ret = sdr_working_phase(seq, grp, &work_bgn, &d, &p, &i); if (ret) return ret;

@@ -1842,13 +1874,13 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) * Step 3a: If we have room, back off by one and * increment in dtaps. */ - sdr_backup_phase(grp, &work_bgn, &p); + sdr_backup_phase(seq, grp, &work_bgn, &p);

/* * Step 4a: go forward from working phase to non working * phase, increment in ptaps. */ - ret = sdr_nonworking_phase(grp, &work_end, &p, &i); + ret = sdr_nonworking_phase(seq, grp, &work_end, &p, &i); if (ret) return ret;

@@ -1856,14 +1888,14 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp)

/* Special case code for backing up a phase */ if (p == 0) { - p = iocfg->dqs_en_phase_max; - rw_mgr_decr_vfifo(grp); + p = seq->iocfg->dqs_en_phase_max; + rw_mgr_decr_vfifo(seq, grp); } else { p = p - 1; }

- work_end -= iocfg->delay_per_opa_tap; - scc_mgr_set_dqs_en_phase_all_ranks(grp, p); + work_end -= seq->iocfg->delay_per_opa_tap; + scc_mgr_set_dqs_en_phase_all_ranks(seq, grp, p);

d = 0;

@@ -1872,12 +1904,12 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) }

/* The dtap increment to find the failing edge is done here. */ - sdr_find_phase_delay(0, 1, grp, &work_end, - iocfg->delay_per_dqs_en_dchain_tap, &d); + sdr_find_phase_delay(seq, 0, 1, grp, &work_end, + seq->iocfg->delay_per_dqs_en_dchain_tap, &d);

/* Go back to working dtap */ if (d != 0) - work_end -= iocfg->delay_per_dqs_en_dchain_tap; + work_end -= seq->iocfg->delay_per_dqs_en_dchain_tap;

debug_cond(DLEVEL >= 2, "%s:%d p/d: ptap=%u dtap=%u end=%u\n", @@ -1903,8 +1935,8 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp)

/* Special case code for backing up a phase */ if (p == 0) { - p = iocfg->dqs_en_phase_max; - rw_mgr_decr_vfifo(grp); + p = seq->iocfg->dqs_en_phase_max; + rw_mgr_decr_vfifo(seq, grp); debug_cond(DLEVEL >= 2, "%s:%d backedup cycle/phase: p=%u\n", __func__, __LINE__, p); } else { @@ -1913,7 +1945,7 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) __func__, __LINE__, p); }

- scc_mgr_set_dqs_en_phase_all_ranks(grp, p); + scc_mgr_set_dqs_en_phase_all_ranks(seq, grp, p);

/* * Increase dtap until we first see a passing read (in case the @@ -1927,14 +1959,14 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp)

initial_failing_dtap = d;

- found_passing_read = !sdr_find_phase_delay(1, 1, grp, NULL, 0, &d); + found_passing_read = !sdr_find_phase_delay(seq, 1, 1, grp, NULL, 0, &d); if (found_passing_read) { /* Find a failing read. */ debug_cond(DLEVEL >= 2, "%s:%d find failing read\n", __func__, __LINE__); d++; - found_failing_read = !sdr_find_phase_delay(0, 1, grp, NULL, 0, - &d); + found_failing_read = !sdr_find_phase_delay(seq, 0, 1, grp, NULL, + 0, &d); } else { debug_cond(DLEVEL >= 1, "%s:%d failed to calculate dtaps per ptap. Fall back on static value\n", @@ -1944,7 +1976,7 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) /* * The dynamically calculated dtaps_per_ptap is only valid if we * found a passing/failing read. If we didn't, it means d hit the max - * (iocfg->dqs_en_delay_max). Otherwise, dtaps_per_ptap retains its + * (seq->iocfg->dqs_en_delay_max). Otherwise, dtaps_per_ptap retains its * statically calculated value. */ if (found_passing_read && found_failing_read) @@ -1955,7 +1987,7 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) __func__, __LINE__, d, initial_failing_dtap, dtaps_per_ptap);

/* Step 6: Find the centre of the window. */ - ret = sdr_find_window_center(grp, work_bgn, work_end); + ret = sdr_find_window_center(seq, grp, work_bgn, work_end);

return ret; } @@ -1973,33 +2005,35 @@ static int rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(const u32 grp) * * Test if the found edge is valid. */ -static u32 search_stop_check(const int write, const int d, const int rank_bgn, +static u32 search_stop_check(struct socfpga_sdrseq *seq, const int write, + const int d, const int rank_bgn, const u32 write_group, const u32 read_group, u32 *bit_chk, u32 *sticky_bit_chk, const u32 use_read_test) { - const u32 ratio = rwcfg->mem_if_read_dqs_width / - rwcfg->mem_if_write_dqs_width; - const u32 correct_mask = write ? param->write_correct_mask : - param->read_correct_mask; - const u32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : - rwcfg->mem_dq_per_read_dqs; + const u32 ratio = seq->rwcfg->mem_if_read_dqs_width / + seq->rwcfg->mem_if_write_dqs_width; + const u32 correct_mask = write ? seq->param.write_correct_mask : + seq->param.read_correct_mask; + const u32 per_dqs = write ? seq->rwcfg->mem_dq_per_write_dqs : + seq->rwcfg->mem_dq_per_read_dqs; u32 ret; /* * Stop searching when the read test doesn't pass AND when * we've seen a passing read on every bit. */ if (write) { /* WRITE-ONLY */ - ret = !rw_mgr_mem_calibrate_write_test(rank_bgn, write_group, - 0, PASS_ONE_BIT, - bit_chk, 0); + ret = !rw_mgr_mem_calibrate_write_test(seq, rank_bgn, + write_group, 0, + PASS_ONE_BIT, bit_chk, + 0); } else if (use_read_test) { /* READ-ONLY */ - ret = !rw_mgr_mem_calibrate_read_test(rank_bgn, read_group, + ret = !rw_mgr_mem_calibrate_read_test(seq, rank_bgn, read_group, NUM_READ_PB_TESTS, PASS_ONE_BIT, bit_chk, 0, 0); } else { /* READ-ONLY */ - rw_mgr_mem_calibrate_write_test(rank_bgn, write_group, 0, + rw_mgr_mem_calibrate_write_test(seq, rank_bgn, write_group, 0, PASS_ONE_BIT, bit_chk, 0); *bit_chk = *bit_chk >> (per_dqs * (read_group - (write_group * ratio))); @@ -2028,29 +2062,30 @@ static u32 search_stop_check(const int write, const int d, const int rank_bgn, * * Find left edge of DQ/DQS working phase. */ -static void search_left_edge(const int write, const int rank_bgn, - const u32 write_group, const u32 read_group, const u32 test_bgn, - u32 *sticky_bit_chk, - int *left_edge, int *right_edge, const u32 use_read_test) -{ - const u32 delay_max = write ? iocfg->io_out1_delay_max : - iocfg->io_in_delay_max; - const u32 dqs_max = write ? iocfg->io_out1_delay_max : - iocfg->dqs_in_delay_max; - const u32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : - rwcfg->mem_dq_per_read_dqs; +static void search_left_edge(struct socfpga_sdrseq *seq, const int write, + const int rank_bgn, const u32 write_group, + const u32 read_group, const u32 test_bgn, + u32 *sticky_bit_chk, int *left_edge, + int *right_edge, const u32 use_read_test) +{ + const u32 delay_max = write ? seq->iocfg->io_out1_delay_max : + seq->iocfg->io_in_delay_max; + const u32 dqs_max = write ? seq->iocfg->io_out1_delay_max : + seq->iocfg->dqs_in_delay_max; + const u32 per_dqs = write ? seq->rwcfg->mem_dq_per_write_dqs : + seq->rwcfg->mem_dq_per_read_dqs; u32 stop, bit_chk; int i, d;

for (d = 0; d <= dqs_max; d++) { if (write) - scc_mgr_apply_group_dq_out1_delay(d); + scc_mgr_apply_group_dq_out1_delay(seq, d); else - scc_mgr_apply_group_dq_in_delay(test_bgn, d); + scc_mgr_apply_group_dq_in_delay(seq, test_bgn, d);

writel(0, &sdr_scc_mgr->update);

- stop = search_stop_check(write, d, rank_bgn, write_group, + stop = search_stop_check(seq, write, d, rank_bgn, write_group, read_group, &bit_chk, sticky_bit_chk, use_read_test); if (stop == 1) @@ -2080,9 +2115,9 @@ static void search_left_edge(const int write, const int rank_bgn,

/* Reset DQ delay chains to 0 */ if (write) - scc_mgr_apply_group_dq_out1_delay(0); + scc_mgr_apply_group_dq_out1_delay(seq, 0); else - scc_mgr_apply_group_dq_in_delay(test_bgn, 0); + scc_mgr_apply_group_dq_in_delay(seq, test_bgn, 0);

*sticky_bit_chk = 0; for (i = per_dqs - 1; i >= 0; i--) { @@ -2138,31 +2173,33 @@ static void search_left_edge(const int write, const int rank_bgn, * * Find right edge of DQ/DQS working phase. */ -static int search_right_edge(const int write, const int rank_bgn, - const u32 write_group, const u32 read_group, - const int start_dqs, const int start_dqs_en, - u32 *sticky_bit_chk, - int *left_edge, int *right_edge, const u32 use_read_test) -{ - const u32 delay_max = write ? iocfg->io_out1_delay_max : - iocfg->io_in_delay_max; - const u32 dqs_max = write ? iocfg->io_out1_delay_max : - iocfg->dqs_in_delay_max; - const u32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : - rwcfg->mem_dq_per_read_dqs; +static int search_right_edge(struct socfpga_sdrseq *seq, const int write, + const int rank_bgn, const u32 write_group, + const u32 read_group, const int start_dqs, + const int start_dqs_en, u32 *sticky_bit_chk, + int *left_edge, int *right_edge, + const u32 use_read_test) +{ + const u32 delay_max = write ? seq->iocfg->io_out1_delay_max : + seq->iocfg->io_in_delay_max; + const u32 dqs_max = write ? seq->iocfg->io_out1_delay_max : + seq->iocfg->dqs_in_delay_max; + const u32 per_dqs = write ? seq->rwcfg->mem_dq_per_write_dqs : + seq->rwcfg->mem_dq_per_read_dqs; u32 stop, bit_chk; int i, d;

for (d = 0; d <= dqs_max - start_dqs; d++) { if (write) { /* WRITE-ONLY */ - scc_mgr_apply_group_dqs_io_and_oct_out1(write_group, + scc_mgr_apply_group_dqs_io_and_oct_out1(seq, + write_group, d + start_dqs); } else { /* READ-ONLY */ scc_mgr_set_dqs_bus_in_delay(read_group, d + start_dqs); - if (iocfg->shift_dqs_en_when_shift_dqs) { + if (seq->iocfg->shift_dqs_en_when_shift_dqs) { u32 delay = d + start_dqs_en; - if (delay > iocfg->dqs_en_delay_max) - delay = iocfg->dqs_en_delay_max; + if (delay > seq->iocfg->dqs_en_delay_max) + delay = seq->iocfg->dqs_en_delay_max; scc_mgr_set_dqs_en_delay(read_group, delay); } scc_mgr_load_dqs(read_group); @@ -2170,12 +2207,13 @@ static int search_right_edge(const int write, const int rank_bgn,

writel(0, &sdr_scc_mgr->update);

- stop = search_stop_check(write, d, rank_bgn, write_group, + stop = search_stop_check(seq, write, d, rank_bgn, write_group, read_group, &bit_chk, sticky_bit_chk, use_read_test); if (stop == 1) { if (write && (d == 0)) { /* WRITE-ONLY */ - for (i = 0; i < rwcfg->mem_dq_per_write_dqs; + for (i = 0; + i < seq->rwcfg->mem_dq_per_write_dqs; i++) { /* * d = 0 failed, but it passed when @@ -2263,11 +2301,12 @@ static int search_right_edge(const int write, const int rank_bgn, * * Find index and value of the middle of the DQ/DQS working phase. */ -static int get_window_mid_index(const int write, int *left_edge, +static int get_window_mid_index(struct socfpga_sdrseq *seq, + const int write, int *left_edge, int *right_edge, int *mid_min) { - const u32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : - rwcfg->mem_dq_per_read_dqs; + const u32 per_dqs = write ? seq->rwcfg->mem_dq_per_write_dqs : + seq->rwcfg->mem_dq_per_read_dqs; int i, mid, min_index;

/* Find middle of window for each DQ bit */ @@ -2310,15 +2349,16 @@ static int get_window_mid_index(const int write, int *left_edge, * * Align the DQ/DQS windows in each group. */ -static void center_dq_windows(const int write, int *left_edge, int *right_edge, +static void center_dq_windows(struct socfpga_sdrseq *seq, + const int write, int *left_edge, int *right_edge, const int mid_min, const int orig_mid_min, const int min_index, const int test_bgn, int *dq_margin, int *dqs_margin) { - const s32 delay_max = write ? iocfg->io_out1_delay_max : - iocfg->io_in_delay_max; - const s32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : - rwcfg->mem_dq_per_read_dqs; + const s32 delay_max = write ? seq->iocfg->io_out1_delay_max : + seq->iocfg->io_in_delay_max; + const s32 per_dqs = write ? seq->rwcfg->mem_dq_per_write_dqs : + seq->rwcfg->mem_dq_per_read_dqs; const s32 delay_off = write ? SCC_MGR_IO_OUT1_DELAY_OFFSET : SCC_MGR_IO_IN_DELAY_OFFSET; const s32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | delay_off; @@ -2385,9 +2425,12 @@ static void center_dq_windows(const int write, int *left_edge, int *right_edge, * * Per-bit deskew DQ and centering. */ -static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, - const u32 rw_group, const u32 test_bgn, - const int use_read_test, const int update_fom) +static int rw_mgr_mem_calibrate_vfifo_center(struct socfpga_sdrseq *seq, + const u32 rank_bgn, + const u32 rw_group, + const u32 test_bgn, + const int use_read_test, + const int update_fom) { const u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS + SCC_MGR_DQS_IN_DELAY_OFFSET + @@ -2397,36 +2440,36 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, * signed numbers. */ u32 sticky_bit_chk; - int32_t left_edge[rwcfg->mem_dq_per_read_dqs]; - int32_t right_edge[rwcfg->mem_dq_per_read_dqs]; - int32_t orig_mid_min, mid_min; - int32_t new_dqs, start_dqs, start_dqs_en = 0, final_dqs_en; - int32_t dq_margin, dqs_margin; + s32 left_edge[seq->rwcfg->mem_dq_per_read_dqs]; + s32 right_edge[seq->rwcfg->mem_dq_per_read_dqs]; + s32 orig_mid_min, mid_min; + s32 new_dqs, start_dqs, start_dqs_en = 0, final_dqs_en; + s32 dq_margin, dqs_margin; int i, min_index; int ret;

debug("%s:%d: %u %u", __func__, __LINE__, rw_group, test_bgn);

start_dqs = readl(addr); - if (iocfg->shift_dqs_en_when_shift_dqs) - start_dqs_en = readl(addr - iocfg->dqs_en_delay_offset); + if (seq->iocfg->shift_dqs_en_when_shift_dqs) + start_dqs_en = readl(addr - seq->iocfg->dqs_en_delay_offset);

/* set the left and right edge of each bit to an illegal value */ - /* use (iocfg->io_in_delay_max + 1) as an illegal value */ + /* use (seq->iocfg->io_in_delay_max + 1) as an illegal value */ sticky_bit_chk = 0; - for (i = 0; i < rwcfg->mem_dq_per_read_dqs; i++) { - left_edge[i] = iocfg->io_in_delay_max + 1; - right_edge[i] = iocfg->io_in_delay_max + 1; + for (i = 0; i < seq->rwcfg->mem_dq_per_read_dqs; i++) { + left_edge[i] = seq->iocfg->io_in_delay_max + 1; + right_edge[i] = seq->iocfg->io_in_delay_max + 1; }

/* Search for the left edge of the window for each bit */ - search_left_edge(0, rank_bgn, rw_group, rw_group, test_bgn, + search_left_edge(seq, 0, rank_bgn, rw_group, rw_group, test_bgn, &sticky_bit_chk, left_edge, right_edge, use_read_test);

/* Search for the right edge of the window for each bit */ - ret = search_right_edge(0, rank_bgn, rw_group, rw_group, + ret = search_right_edge(seq, 0, rank_bgn, rw_group, rw_group, start_dqs, start_dqs_en, &sticky_bit_chk, left_edge, right_edge, use_read_test); @@ -2437,7 +2480,7 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, * dqs/ck relationships. */ scc_mgr_set_dqs_bus_in_delay(rw_group, start_dqs); - if (iocfg->shift_dqs_en_when_shift_dqs) + if (seq->iocfg->shift_dqs_en_when_shift_dqs) scc_mgr_set_dqs_en_delay(rw_group, start_dqs_en);

scc_mgr_load_dqs(rw_group); @@ -2447,26 +2490,27 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, "%s:%d vfifo_center: failed to find edge [%u]: %d %d", __func__, __LINE__, i, left_edge[i], right_edge[i]); if (use_read_test) { - set_failing_group_stage(rw_group * - rwcfg->mem_dq_per_read_dqs + i, + set_failing_group_stage(seq, rw_group * + seq->rwcfg->mem_dq_per_read_dqs + i, CAL_STAGE_VFIFO, CAL_SUBSTAGE_VFIFO_CENTER); } else { - set_failing_group_stage(rw_group * - rwcfg->mem_dq_per_read_dqs + i, + set_failing_group_stage(seq, rw_group * + seq->rwcfg->mem_dq_per_read_dqs + i, CAL_STAGE_VFIFO_AFTER_WRITES, CAL_SUBSTAGE_VFIFO_CENTER); } return -EIO; }

- min_index = get_window_mid_index(0, left_edge, right_edge, &mid_min); + min_index = get_window_mid_index(seq, 0, left_edge, right_edge, + &mid_min);

/* Determine the amount we can change DQS (which is -mid_min) */ orig_mid_min = mid_min; new_dqs = start_dqs - mid_min; - if (new_dqs > iocfg->dqs_in_delay_max) - new_dqs = iocfg->dqs_in_delay_max; + if (new_dqs > seq->iocfg->dqs_in_delay_max) + new_dqs = seq->iocfg->dqs_in_delay_max; else if (new_dqs < 0) new_dqs = 0;

@@ -2474,10 +2518,10 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, debug_cond(DLEVEL >= 1, "vfifo_center: new mid_min=%d new_dqs=%d\n", mid_min, new_dqs);

- if (iocfg->shift_dqs_en_when_shift_dqs) { - if (start_dqs_en - mid_min > iocfg->dqs_en_delay_max) + if (seq->iocfg->shift_dqs_en_when_shift_dqs) { + if (start_dqs_en - mid_min > seq->iocfg->dqs_en_delay_max) mid_min += start_dqs_en - mid_min - - iocfg->dqs_en_delay_max; + seq->iocfg->dqs_en_delay_max; else if (start_dqs_en - mid_min < 0) mid_min += start_dqs_en - mid_min; } @@ -2486,15 +2530,15 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, debug_cond(DLEVEL >= 1, "vfifo_center: start_dqs=%d start_dqs_en=%d new_dqs=%d mid_min=%d\n", start_dqs, - iocfg->shift_dqs_en_when_shift_dqs ? start_dqs_en : -1, + seq->iocfg->shift_dqs_en_when_shift_dqs ? start_dqs_en : -1, new_dqs, mid_min);

/* Add delay to bring centre of all DQ windows to the same "level". */ - center_dq_windows(0, left_edge, right_edge, mid_min, orig_mid_min, + center_dq_windows(seq, 0, left_edge, right_edge, mid_min, orig_mid_min, min_index, test_bgn, &dq_margin, &dqs_margin);

/* Move DQS-en */ - if (iocfg->shift_dqs_en_when_shift_dqs) { + if (seq->iocfg->shift_dqs_en_when_shift_dqs) { final_dqs_en = start_dqs_en - mid_min; scc_mgr_set_dqs_en_delay(rw_group, final_dqs_en); scc_mgr_load_dqs(rw_group); @@ -2520,7 +2564,8 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, }

/** - * rw_mgr_mem_calibrate_guaranteed_write() - Perform guaranteed write into the device + * rw_mgr_mem_calibrate_guaranteed_write() - Perform guaranteed write into the + * device * @rw_group: Read/Write Group * @phase: DQ/DQS phase * @@ -2528,13 +2573,14 @@ static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn, * device, the sequencer uses a guaranteed write mechanism to write data into * the memory device. */ -static int rw_mgr_mem_calibrate_guaranteed_write(const u32 rw_group, +static int rw_mgr_mem_calibrate_guaranteed_write(struct socfpga_sdrseq *seq, + const u32 rw_group, const u32 phase) { int ret;

/* Set a particular DQ/DQS phase. */ - scc_mgr_set_dqdqs_output_phase_all_ranks(rw_group, phase); + scc_mgr_set_dqdqs_output_phase_all_ranks(seq, rw_group, phase);

debug_cond(DLEVEL >= 1, "%s:%d guaranteed write: g=%u p=%u\n", __func__, __LINE__, rw_group, phase); @@ -2544,16 +2590,16 @@ static int rw_mgr_mem_calibrate_guaranteed_write(const u32 rw_group, * Load up the patterns used by read calibration using the * current DQDQS phase. */ - rw_mgr_mem_calibrate_read_load_patterns(0, 1); + rw_mgr_mem_calibrate_read_load_patterns(seq, 0, 1);

- if (gbl->phy_debug_mode_flags & PHY_DEBUG_DISABLE_GUARANTEED_READ) + if (seq->gbl.phy_debug_mode_flags & PHY_DEBUG_DISABLE_GUARANTEED_READ) return 0;

/* * Altera EMI_RM 2015.05.04 :: Figure 1-26 * Back-to-Back reads of the patterns used for calibration. */ - ret = rw_mgr_mem_calibrate_read_test_patterns(0, rw_group, 1); + ret = rw_mgr_mem_calibrate_read_test_patterns(seq, 0, rw_group, 1); if (ret) debug_cond(DLEVEL >= 1, "%s:%d Guaranteed read test failed: g=%u p=%u\n", @@ -2569,8 +2615,10 @@ static int rw_mgr_mem_calibrate_guaranteed_write(const u32 rw_group, * DQS enable calibration ensures reliable capture of the DQ signal without * glitches on the DQS line. */ -static int rw_mgr_mem_calibrate_dqs_enable_calibration(const u32 rw_group, - const u32 test_bgn) +static int +rw_mgr_mem_calibrate_dqs_enable_calibration(struct socfpga_sdrseq *seq, + const u32 rw_group, + const u32 test_bgn) { /* * Altera EMI_RM 2015.05.04 :: Figure 1-27 @@ -2578,18 +2626,18 @@ static int rw_mgr_mem_calibrate_dqs_enable_calibration(const u32 rw_group, */

/* We start at zero, so have one less dq to devide among */ - const u32 delay_step = iocfg->io_in_delay_max / - (rwcfg->mem_dq_per_read_dqs - 1); + const u32 delay_step = seq->iocfg->io_in_delay_max / + (seq->rwcfg->mem_dq_per_read_dqs - 1); int ret; u32 i, p, d, r;

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

/* Try different dq_in_delays since the DQ path is shorter than DQS. */ - for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { for (i = 0, p = test_bgn, d = 0; - i < rwcfg->mem_dq_per_read_dqs; + i < seq->rwcfg->mem_dq_per_read_dqs; i++, p++, d += delay_step) { debug_cond(DLEVEL >= 1, "%s:%d: g=%u r=%u i=%u p=%u d=%u\n", @@ -2606,15 +2654,15 @@ static int rw_mgr_mem_calibrate_dqs_enable_calibration(const u32 rw_group, * Try rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase across different * dq_in_delay values */ - ret = rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(rw_group); + ret = rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(seq, rw_group);

debug_cond(DLEVEL >= 1, "%s:%d: g=%u found=%u; Reseting delay chain to zero\n", __func__, __LINE__, rw_group, !ret);

- for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { - scc_mgr_apply_group_dq_in_delay(test_bgn, 0); + scc_mgr_apply_group_dq_in_delay(seq, test_bgn, 0); writel(0, &sdr_scc_mgr->update); }

@@ -2632,7 +2680,8 @@ static int rw_mgr_mem_calibrate_dqs_enable_calibration(const u32 rw_group, * within a group. */ static int -rw_mgr_mem_calibrate_dq_dqs_centering(const u32 rw_group, const u32 test_bgn, +rw_mgr_mem_calibrate_dq_dqs_centering(struct socfpga_sdrseq *seq, + const u32 rw_group, const u32 test_bgn, const int use_read_test, const int update_fom)

@@ -2646,9 +2695,9 @@ rw_mgr_mem_calibrate_dq_dqs_centering(const u32 rw_group, const u32 test_bgn, */ grp_calibrated = 1; for (rank_bgn = 0, sr = 0; - rank_bgn < rwcfg->mem_number_of_ranks; + rank_bgn < seq->rwcfg->mem_number_of_ranks; rank_bgn += NUM_RANKS_PER_SHADOW_REG, sr++) { - ret = rw_mgr_mem_calibrate_vfifo_center(rank_bgn, rw_group, + ret = rw_mgr_mem_calibrate_vfifo_center(seq, rank_bgn, rw_group, test_bgn, use_read_test, update_fom); @@ -2679,7 +2728,8 @@ rw_mgr_mem_calibrate_dq_dqs_centering(const u32 rw_group, const u32 test_bgn, * - DQS input phase and DQS input delay (DQ/DQS Centering) * - we also do a per-bit deskew on the DQ lines. */ -static int rw_mgr_mem_calibrate_vfifo(const u32 rw_group, const u32 test_bgn) +static int rw_mgr_mem_calibrate_vfifo(struct socfpga_sdrseq *seq, + const u32 rw_group, const u32 test_bgn) { u32 p, d; u32 dtaps_per_ptap; @@ -2697,8 +2747,9 @@ static int rw_mgr_mem_calibrate_vfifo(const u32 rw_group, const u32 test_bgn) failed_substage = CAL_SUBSTAGE_GUARANTEED_READ;

/* USER Determine number of delay taps for each phase tap. */ - dtaps_per_ptap = DIV_ROUND_UP(iocfg->delay_per_opa_tap, - iocfg->delay_per_dqs_en_dchain_tap) - 1; + dtaps_per_ptap = DIV_ROUND_UP(seq->iocfg->delay_per_opa_tap, + seq->iocfg->delay_per_dqs_en_dchain_tap) + - 1;

for (d = 0; d <= dtaps_per_ptap; d += 2) { /* @@ -2708,18 +2759,22 @@ static int rw_mgr_mem_calibrate_vfifo(const u32 rw_group, const u32 test_bgn) * output side yet. */ if (d > 0) { - scc_mgr_apply_group_all_out_delay_add_all_ranks( - rw_group, d); + scc_mgr_apply_group_all_out_delay_add_all_ranks(seq, + rw_group, + d); }

- for (p = 0; p <= iocfg->dqdqs_out_phase_max; p++) { + for (p = 0; p <= seq->iocfg->dqdqs_out_phase_max; p++) { /* 1) Guaranteed Write */ - ret = rw_mgr_mem_calibrate_guaranteed_write(rw_group, p); + ret = rw_mgr_mem_calibrate_guaranteed_write(seq, + rw_group, + p); if (ret) break;

/* 2) DQS Enable Calibration */ - ret = rw_mgr_mem_calibrate_dqs_enable_calibration(rw_group, + ret = rw_mgr_mem_calibrate_dqs_enable_calibration(seq, + rw_group, test_bgn); if (ret) { failed_substage = CAL_SUBSTAGE_DQS_EN_PHASE; @@ -2731,8 +2786,10 @@ static int rw_mgr_mem_calibrate_vfifo(const u32 rw_group, const u32 test_bgn) * If doing read after write calibration, do not update * FOM now. Do it then. */ - ret = rw_mgr_mem_calibrate_dq_dqs_centering(rw_group, - test_bgn, 1, 0); + ret = rw_mgr_mem_calibrate_dq_dqs_centering(seq, + rw_group, + test_bgn, + 1, 0); if (ret) { failed_substage = CAL_SUBSTAGE_VFIFO_CENTER; continue; @@ -2744,7 +2801,8 @@ static int rw_mgr_mem_calibrate_vfifo(const u32 rw_group, const u32 test_bgn) }

/* Calibration Stage 1 failed. */ - set_failing_group_stage(rw_group, CAL_STAGE_VFIFO, failed_substage); + set_failing_group_stage(seq, rw_group, CAL_STAGE_VFIFO, + failed_substage); return 0;

/* Calibration Stage 1 completed OK. */ @@ -2755,7 +2813,7 @@ cal_done_ok: * first case). */ if (d > 2) - scc_mgr_zero_group(rw_group, 1); + scc_mgr_zero_group(seq, rw_group, 1);

return 1; } @@ -2770,7 +2828,8 @@ cal_done_ok: * This function implements UniPHY calibration Stage 3, as explained in * detail in Altera EMI_RM 2015.05.04 , "UniPHY Calibration Stages". */ -static int rw_mgr_mem_calibrate_vfifo_end(const u32 rw_group, +static int rw_mgr_mem_calibrate_vfifo_end(struct socfpga_sdrseq *seq, + const u32 rw_group, const u32 test_bgn) { int ret; @@ -2782,9 +2841,10 @@ static int rw_mgr_mem_calibrate_vfifo_end(const u32 rw_group, reg_file_set_stage(CAL_STAGE_VFIFO_AFTER_WRITES); reg_file_set_sub_stage(CAL_SUBSTAGE_VFIFO_CENTER);

- ret = rw_mgr_mem_calibrate_dq_dqs_centering(rw_group, test_bgn, 0, 1); + ret = rw_mgr_mem_calibrate_dq_dqs_centering(seq, rw_group, test_bgn, 0, + 1); if (ret) - set_failing_group_stage(rw_group, + set_failing_group_stage(seq, rw_group, CAL_STAGE_VFIFO_AFTER_WRITES, CAL_SUBSTAGE_VFIFO_CENTER); return ret; @@ -2799,7 +2859,7 @@ static int rw_mgr_mem_calibrate_vfifo_end(const u32 rw_group, * detail in Altera EMI_RM 2015.05.04 , "UniPHY Calibration Stages". * Calibrate LFIFO to find smallest read latency. */ -static u32 rw_mgr_mem_calibrate_lfifo(void) +static u32 rw_mgr_mem_calibrate_lfifo(struct socfpga_sdrseq *seq) { int found_one = 0;

@@ -2810,14 +2870,15 @@ static u32 rw_mgr_mem_calibrate_lfifo(void) reg_file_set_sub_stage(CAL_SUBSTAGE_READ_LATENCY);

/* Load up the patterns used by read calibration for all ranks */ - rw_mgr_mem_calibrate_read_load_patterns(0, 1); + rw_mgr_mem_calibrate_read_load_patterns(seq, 0, 1);

do { - writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat); + writel(seq->gbl.curr_read_lat, &phy_mgr_cfg->phy_rlat); debug_cond(DLEVEL >= 2, "%s:%d lfifo: read_lat=%u", - __func__, __LINE__, gbl->curr_read_lat); + __func__, __LINE__, seq->gbl.curr_read_lat);

- if (!rw_mgr_mem_calibrate_read_test_all_ranks(0, NUM_READ_TESTS, + if (!rw_mgr_mem_calibrate_read_test_all_ranks(seq, 0, + NUM_READ_TESTS, PASS_ALL_BITS, 1)) break;

@@ -2826,26 +2887,26 @@ static u32 rw_mgr_mem_calibrate_lfifo(void) * Reduce read latency and see if things are * working correctly. */ - gbl->curr_read_lat--; - } while (gbl->curr_read_lat > 0); + seq->gbl.curr_read_lat--; + } while (seq->gbl.curr_read_lat > 0);

/* Reset the fifos to get pointers to known state. */ writel(0, &phy_mgr_cmd->fifo_reset);

if (found_one) { /* Add a fudge factor to the read latency that was determined */ - gbl->curr_read_lat += 2; - writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat); + seq->gbl.curr_read_lat += 2; + writel(seq->gbl.curr_read_lat, &phy_mgr_cfg->phy_rlat); debug_cond(DLEVEL >= 2, "%s:%d lfifo: success: using read_lat=%u\n", - __func__, __LINE__, gbl->curr_read_lat); + __func__, __LINE__, seq->gbl.curr_read_lat); } else { - set_failing_group_stage(0xff, CAL_STAGE_LFIFO, + set_failing_group_stage(seq, 0xff, CAL_STAGE_LFIFO, CAL_SUBSTAGE_READ_LATENCY);

debug_cond(DLEVEL >= 2, "%s:%d lfifo: failed at initial read_lat=%u\n", - __func__, __LINE__, gbl->curr_read_lat); + __func__, __LINE__, seq->gbl.curr_read_lat); }

return found_one; @@ -2853,7 +2914,8 @@ static u32 rw_mgr_mem_calibrate_lfifo(void)

/** * search_window() - Search for the/part of the window with DM/DQS shift - * @search_dm: If 1, search for the DM shift, if 0, search for DQS shift + * @search_dm: If 1, search for the DM shift, if 0, search for DQS + * shift * @rank_bgn: Rank number * @write_group: Write Group * @bgn_curr: Current window begin @@ -2865,20 +2927,21 @@ static u32 rw_mgr_mem_calibrate_lfifo(void) * * Search for the/part of the window with DM/DQS shift. */ -static void search_window(const int search_dm, - const u32 rank_bgn, const u32 write_group, - int *bgn_curr, int *end_curr, int *bgn_best, - int *end_best, int *win_best, int new_dqs) +static void search_window(struct socfpga_sdrseq *seq, + const int search_dm, const u32 rank_bgn, + const u32 write_group, int *bgn_curr, int *end_curr, + int *bgn_best, int *end_best, int *win_best, + int new_dqs) { u32 bit_chk; - const int max = iocfg->io_out1_delay_max - new_dqs; + const int max = seq->iocfg->io_out1_delay_max - new_dqs; int d, di;

/* Search for the/part of the window with DM/DQS shift. */ for (di = max; di >= 0; di -= DELTA_D) { if (search_dm) { d = di; - scc_mgr_apply_group_dm_out1_delay(d); + scc_mgr_apply_group_dm_out1_delay(seq, d); } else { /* For DQS, we go from 0...max */ d = max - di; @@ -2886,14 +2949,15 @@ static void search_window(const int search_dm, * Note: This only shifts DQS, so are we limiting * ourselves to width of DQ unnecessarily. */ - scc_mgr_apply_group_dqs_io_and_oct_out1(write_group, + scc_mgr_apply_group_dqs_io_and_oct_out1(seq, + 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, + if (rw_mgr_mem_calibrate_write_test(seq, rank_bgn, write_group, + 1, PASS_ALL_BITS, &bit_chk, 0)) { /* Set current end of the window. */ *end_curr = search_dm ? -d : d; @@ -2902,7 +2966,7 @@ static void search_window(const int search_dm, * If a starting edge of our window has not been seen * this is our current start of the DM window. */ - if (*bgn_curr == iocfg->io_out1_delay_max + 1) + if (*bgn_curr == seq->iocfg->io_out1_delay_max + 1) *bgn_curr = search_dm ? -d : d;

/* @@ -2916,8 +2980,8 @@ static void search_window(const int search_dm, } } else { /* We just saw a failing test. Reset temp edge. */ - *bgn_curr = iocfg->io_out1_delay_max + 1; - *end_curr = iocfg->io_out1_delay_max + 1; + *bgn_curr = seq->iocfg->io_out1_delay_max + 1; + *end_curr = seq->iocfg->io_out1_delay_max + 1;

/* Early exit is only applicable to DQS. */ if (search_dm) @@ -2928,7 +2992,8 @@ static void search_window(const int search_dm, * chain space is less than already seen largest * window we can exit. */ - if (*win_best - 1 > iocfg->io_out1_delay_max - new_dqs - d) + if (*win_best - 1 > seq->iocfg->io_out1_delay_max + - new_dqs - d) break; } } @@ -2944,22 +3009,23 @@ static void search_window(const int search_dm, * certain windows. */ static int -rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, +rw_mgr_mem_calibrate_writes_center(struct socfpga_sdrseq *seq, + const u32 rank_bgn, const u32 write_group, const u32 test_bgn) { int i; u32 sticky_bit_chk; u32 min_index; - int left_edge[rwcfg->mem_dq_per_write_dqs]; - int right_edge[rwcfg->mem_dq_per_write_dqs]; + int left_edge[seq->rwcfg->mem_dq_per_write_dqs]; + int right_edge[seq->rwcfg->mem_dq_per_write_dqs]; int mid; int mid_min, orig_mid_min; int new_dqs, start_dqs; int dq_margin, dqs_margin, dm_margin; - int bgn_curr = iocfg->io_out1_delay_max + 1; - int end_curr = iocfg->io_out1_delay_max + 1; - int bgn_best = iocfg->io_out1_delay_max + 1; - int end_best = iocfg->io_out1_delay_max + 1; + int bgn_curr = seq->iocfg->io_out1_delay_max + 1; + int end_curr = seq->iocfg->io_out1_delay_max + 1; + int bgn_best = seq->iocfg->io_out1_delay_max + 1; + int end_best = seq->iocfg->io_out1_delay_max + 1; int win_best = 0;

int ret; @@ -2970,37 +3036,39 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group,

start_dqs = readl((SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_IO_OUT1_DELAY_OFFSET) + - (rwcfg->mem_dq_per_write_dqs << 2)); + (seq->rwcfg->mem_dq_per_write_dqs << 2));

/* Per-bit deskew. */

/* * Set the left and right edge of each bit to an illegal value. - * Use (iocfg->io_out1_delay_max + 1) as an illegal value. + * Use (seq->iocfg->io_out1_delay_max + 1) as an illegal value. */ sticky_bit_chk = 0; - for (i = 0; i < rwcfg->mem_dq_per_write_dqs; i++) { - left_edge[i] = iocfg->io_out1_delay_max + 1; - right_edge[i] = iocfg->io_out1_delay_max + 1; + for (i = 0; i < seq->rwcfg->mem_dq_per_write_dqs; i++) { + left_edge[i] = seq->iocfg->io_out1_delay_max + 1; + right_edge[i] = seq->iocfg->io_out1_delay_max + 1; }

/* Search for the left edge of the window for each bit. */ - search_left_edge(1, rank_bgn, write_group, 0, test_bgn, + search_left_edge(seq, 1, rank_bgn, write_group, 0, test_bgn, &sticky_bit_chk, left_edge, right_edge, 0);

/* Search for the right edge of the window for each bit. */ - ret = search_right_edge(1, rank_bgn, write_group, 0, + ret = search_right_edge(seq, 1, rank_bgn, write_group, 0, start_dqs, 0, &sticky_bit_chk, left_edge, right_edge, 0); if (ret) { - set_failing_group_stage(test_bgn + ret - 1, CAL_STAGE_WRITES, + set_failing_group_stage(seq, test_bgn + ret - 1, + CAL_STAGE_WRITES, CAL_SUBSTAGE_WRITES_CENTER); return -EINVAL; }

- min_index = get_window_mid_index(1, left_edge, right_edge, &mid_min); + min_index = get_window_mid_index(seq, 1, left_edge, right_edge, + &mid_min);

/* Determine the amount we can change DQS (which is -mid_min). */ orig_mid_min = mid_min; @@ -3011,11 +3079,11 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, __func__, __LINE__, start_dqs, new_dqs, mid_min);

/* Add delay to bring centre of all DQ windows to the same "level". */ - center_dq_windows(1, left_edge, right_edge, mid_min, orig_mid_min, + center_dq_windows(seq, 1, left_edge, right_edge, mid_min, orig_mid_min, min_index, 0, &dq_margin, &dqs_margin);

/* Move DQS */ - scc_mgr_apply_group_dqs_io_and_oct_out1(write_group, new_dqs); + scc_mgr_apply_group_dqs_io_and_oct_out1(seq, write_group, new_dqs); writel(0, &sdr_scc_mgr->update);

/* Centre DM */ @@ -3023,17 +3091,17 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group,

/* * Set the left and right edge of each bit to an illegal value. - * Use (iocfg->io_out1_delay_max + 1) as an illegal value. + * Use (seq->iocfg->io_out1_delay_max + 1) as an illegal value. */ - left_edge[0] = iocfg->io_out1_delay_max + 1; - right_edge[0] = iocfg->io_out1_delay_max + 1; + left_edge[0] = seq->iocfg->io_out1_delay_max + 1; + right_edge[0] = seq->iocfg->io_out1_delay_max + 1;

/* Search for the/part of the window with DM shift. */ - search_window(1, rank_bgn, write_group, &bgn_curr, &end_curr, + search_window(seq, 1, rank_bgn, write_group, &bgn_curr, &end_curr, &bgn_best, &end_best, &win_best, 0);

/* Reset DM delay chains to 0. */ - scc_mgr_apply_group_dm_out1_delay(0); + scc_mgr_apply_group_dm_out1_delay(seq, 0);

/* * Check to see if the current window nudges up aganist 0 delay. @@ -3041,12 +3109,12 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, * search begins as a new search. */ if (end_curr != 0) { - bgn_curr = iocfg->io_out1_delay_max + 1; - end_curr = iocfg->io_out1_delay_max + 1; + bgn_curr = seq->iocfg->io_out1_delay_max + 1; + end_curr = seq->iocfg->io_out1_delay_max + 1; }

/* Search for the/part of the window with DQS shifts. */ - search_window(0, rank_bgn, write_group, &bgn_curr, &end_curr, + search_window(seq, 0, rank_bgn, write_group, &bgn_curr, &end_curr, &bgn_best, &end_best, &win_best, new_dqs);

/* Assign left and right edge for cal and reporting. */ @@ -3057,7 +3125,7 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, __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); + scc_mgr_apply_group_dqs_io_and_oct_out1(seq, write_group, new_dqs);

/* Move DM */

@@ -3074,7 +3142,7 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, else dm_margin = left_edge[0] - mid;

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

debug_cond(DLEVEL >= 2, @@ -3082,7 +3150,7 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, __func__, __LINE__, left_edge[0], right_edge[0], mid, dm_margin); /* Export values. */ - gbl->fom_out += dq_margin + dqs_margin; + seq->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", @@ -3111,7 +3179,8 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group, * This function implements UniPHY calibration Stage 2, as explained in * detail in Altera EMI_RM 2015.05.04 , "UniPHY Calibration Stages". */ -static int rw_mgr_mem_calibrate_writes(const u32 rank_bgn, const u32 group, +static int rw_mgr_mem_calibrate_writes(struct socfpga_sdrseq *seq, + const u32 rank_bgn, const u32 group, const u32 test_bgn) { int ret; @@ -3123,9 +3192,10 @@ static int rw_mgr_mem_calibrate_writes(const u32 rank_bgn, const u32 group, reg_file_set_stage(CAL_STAGE_WRITES); reg_file_set_sub_stage(CAL_SUBSTAGE_WRITES_CENTER);

- ret = rw_mgr_mem_calibrate_writes_center(rank_bgn, group, test_bgn); + ret = rw_mgr_mem_calibrate_writes_center(seq, rank_bgn, group, + test_bgn); if (ret) - set_failing_group_stage(group, CAL_STAGE_WRITES, + set_failing_group_stage(seq, group, CAL_STAGE_WRITES, CAL_SUBSTAGE_WRITES_CENTER);

return ret; @@ -3136,29 +3206,30 @@ static int rw_mgr_mem_calibrate_writes(const u32 rank_bgn, const u32 group, * * Precharge all banks and activate row 0 in bank "000..." and bank "111...". */ -static void mem_precharge_and_activate(void) +static void mem_precharge_and_activate(struct socfpga_sdrseq *seq) { int r;

- for (r = 0; r < rwcfg->mem_number_of_ranks; r++) { + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r++) { /* Set rank. */ - set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF); + set_rank_and_odt_mask(seq, r, RW_MGR_ODT_MODE_OFF);

/* Precharge all banks. */ - writel(rwcfg->precharge_all, SDR_PHYGRP_RWMGRGRP_ADDRESS | + writel(seq->rwcfg->precharge_all, SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET);

writel(0x0F, &sdr_rw_load_mgr_regs->load_cntr0); - writel(rwcfg->activate_0_and_1_wait1, + writel(seq->rwcfg->activate_0_and_1_wait1, &sdr_rw_load_jump_mgr_regs->load_jump_add0);

writel(0x0F, &sdr_rw_load_mgr_regs->load_cntr1); - writel(rwcfg->activate_0_and_1_wait2, + writel(seq->rwcfg->activate_0_and_1_wait2, &sdr_rw_load_jump_mgr_regs->load_jump_add1);

/* Activate rows. */ - writel(rwcfg->activate_0_and_1, SDR_PHYGRP_RWMGRGRP_ADDRESS | - RW_MGR_RUN_SINGLE_GROUP_OFFSET); + writel(seq->rwcfg->activate_0_and_1, + SDR_PHYGRP_RWMGRGRP_ADDRESS | + RW_MGR_RUN_SINGLE_GROUP_OFFSET); } }

@@ -3167,14 +3238,15 @@ static void mem_precharge_and_activate(void) * * Configure memory RLAT and WLAT parameters. */ -static void mem_init_latency(void) +static void mem_init_latency(struct socfpga_sdrseq *seq) { /* * For AV/CV, LFIFO is hardened and always runs at full rate * so max latency in AFI clocks, used here, is correspondingly * smaller. */ - const u32 max_latency = (1 << misccfg->max_latency_count_width) - 1; + const u32 max_latency = (1 << seq->misccfg->max_latency_count_width) + - 1; u32 rlat, wlat;

debug("%s:%d\n", __func__, __LINE__); @@ -3186,17 +3258,17 @@ static void mem_init_latency(void) wlat = readl(&data_mgr->t_wl_add); wlat += readl(&data_mgr->mem_t_add);

- gbl->rw_wl_nop_cycles = wlat - 1; + seq->gbl.rw_wl_nop_cycles = wlat - 1;

/* Read in readl latency. */ rlat = readl(&data_mgr->t_rl_add);

/* 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; + seq->gbl.curr_read_lat = rlat + 16; + if (seq->gbl.curr_read_lat > max_latency) + seq->gbl.curr_read_lat = max_latency;

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

/* Advertise write latency. */ writel(wlat, &phy_mgr_cfg->afi_wlat); @@ -3207,22 +3279,22 @@ static void mem_init_latency(void) * * Set VFIFO and LFIFO to instant-on settings in skip calibration mode. */ -static void mem_skip_calibrate(void) +static void mem_skip_calibrate(struct socfpga_sdrseq *seq) { u32 vfifo_offset; u32 i, j, r;

debug("%s:%d\n", __func__, __LINE__); /* Need to update every shadow register set used by the interface */ - for (r = 0; r < rwcfg->mem_number_of_ranks; + for (r = 0; r < seq->rwcfg->mem_number_of_ranks; r += NUM_RANKS_PER_SHADOW_REG) { /* * Set output phase alignment settings appropriate for * skip calibration. */ - for (i = 0; i < rwcfg->mem_if_read_dqs_width; i++) { + for (i = 0; i < seq->rwcfg->mem_if_read_dqs_width; i++) { scc_mgr_set_dqs_en_phase(i, 0); - if (iocfg->dll_chain_length == 6) + if (seq->iocfg->dll_chain_length == 6) scc_mgr_set_dqdqs_output_phase(i, 6); else scc_mgr_set_dqdqs_output_phase(i, 7); @@ -3245,20 +3317,22 @@ static void mem_skip_calibrate(void) * Hence, to make DQS aligned to CK, we need to delay * DQS by: * (720 - 90 - 180 - 2) * - * (360 / iocfg->dll_chain_length) + * (360 / seq->iocfg->dll_chain_length) * - * Dividing the above by (360 / iocfg->dll_chain_length) + * Dividing the above by + (360 / seq->iocfg->dll_chain_length) * gives us the number of ptaps, which simplies to: * - * (1.25 * iocfg->dll_chain_length - 2) + * (1.25 * seq->iocfg->dll_chain_length - 2) */ scc_mgr_set_dqdqs_output_phase(i, - ((125 * iocfg->dll_chain_length) / 100) - 2); + ((125 * seq->iocfg->dll_chain_length) + / 100) - 2); } writel(0xff, &sdr_scc_mgr->dqs_ena); writel(0xff, &sdr_scc_mgr->dqs_io_ena);

- for (i = 0; i < rwcfg->mem_if_write_dqs_width; i++) { + for (i = 0; i < seq->rwcfg->mem_if_write_dqs_width; i++) { writel(i, SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_GROUP_COUNTER_OFFSET); } @@ -3268,7 +3342,7 @@ static void mem_skip_calibrate(void) }

/* Compensate for simulation model behaviour */ - for (i = 0; i < rwcfg->mem_if_read_dqs_width; i++) { + for (i = 0; i < seq->rwcfg->mem_if_read_dqs_width; i++) { scc_mgr_set_dqs_bus_in_delay(i, 10); scc_mgr_load_dqs(i); } @@ -3278,7 +3352,7 @@ static void mem_skip_calibrate(void) * ArriaV has hard FIFOs that can only be initialized by incrementing * in sequencer. */ - vfifo_offset = misccfg->calib_vfifo_offset; + vfifo_offset = seq->misccfg->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); @@ -3287,8 +3361,8 @@ static void mem_skip_calibrate(void) * For Arria V and Cyclone V with hard LFIFO, we get the skip-cal * setting from generation-time constant. */ - gbl->curr_read_lat = misccfg->calib_lfifo_offset; - writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat); + seq->gbl.curr_read_lat = seq->misccfg->calib_lfifo_offset; + writel(seq->gbl.curr_read_lat, &phy_mgr_cfg->phy_rlat); }

/** @@ -3296,7 +3370,7 @@ static void mem_skip_calibrate(void) * * Perform memory calibration. */ -static u32 mem_calibrate(void) +static u32 mem_calibrate(struct socfpga_sdrseq *seq) { u32 i; u32 rank_bgn, sr; @@ -3306,25 +3380,25 @@ static u32 mem_calibrate(void) u32 failing_groups = 0; u32 group_failed = 0;

- const u32 rwdqs_ratio = rwcfg->mem_if_read_dqs_width / - rwcfg->mem_if_write_dqs_width; + const u32 rwdqs_ratio = seq->rwcfg->mem_if_read_dqs_width / + seq->rwcfg->mem_if_write_dqs_width;

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

/* Initialize WLAT and RLAT. */ - mem_init_latency(); + mem_init_latency(seq);

/* Initialize bit slips. */ - mem_precharge_and_activate(); + mem_precharge_and_activate(seq);

- for (i = 0; i < rwcfg->mem_if_read_dqs_width; i++) { + for (i = 0; i < seq->rwcfg->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. */ @@ -3335,12 +3409,12 @@ static u32 mem_calibrate(void) }

/* Calibration is skipped. */ - if ((dyn_calib_steps & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) { + if ((seq->dyn_calib_steps & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) { /* * Set VFIFO and LFIFO to instant-on settings in skip * calibration mode. */ - mem_skip_calibrate(); + mem_skip_calibrate(seq);

/* * Do not remove this line as it makes sure all of our @@ -3356,13 +3430,13 @@ static u32 mem_calibrate(void) * Zero all delay chain/phase settings for all * groups and all shadow register sets. */ - scc_mgr_zero_all(); + scc_mgr_zero_all(seq);

run_groups = ~0;

for (write_group = 0, write_test_bgn = 0; write_group - < rwcfg->mem_if_write_dqs_width; write_group++, - write_test_bgn += rwcfg->mem_dq_per_write_dqs) { + < seq->rwcfg->mem_if_write_dqs_width; write_group++, + write_test_bgn += seq->rwcfg->mem_dq_per_write_dqs) { /* Initialize the group failure */ group_failed = 0;

@@ -3376,22 +3450,22 @@ static u32 mem_calibrate(void)

writel(write_group, SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_GROUP_COUNTER_OFFSET); - scc_mgr_zero_group(write_group, 0); + scc_mgr_zero_group(seq, write_group, 0);

for (read_group = write_group * rwdqs_ratio, read_test_bgn = 0; read_group < (write_group + 1) * rwdqs_ratio; read_group++, - read_test_bgn += rwcfg->mem_dq_per_read_dqs) { + read_test_bgn += seq->rwcfg->mem_dq_per_read_dqs) { if (STATIC_CALIB_STEPS & CALIB_SKIP_VFIFO) continue;

/* Calibrate the VFIFO */ - if (rw_mgr_mem_calibrate_vfifo(read_group, + if (rw_mgr_mem_calibrate_vfifo(seq, read_group, read_test_bgn)) continue;

- if (!(gbl->phy_debug_mode_flags & + if (!(seq->gbl.phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) return 0;

@@ -3401,7 +3475,7 @@ static u32 mem_calibrate(void)

/* Calibrate the output side */ for (rank_bgn = 0, sr = 0; - rank_bgn < rwcfg->mem_number_of_ranks; + rank_bgn < seq->rwcfg->mem_number_of_ranks; rank_bgn += NUM_RANKS_PER_SHADOW_REG, sr++) { if (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) continue; @@ -3412,13 +3486,13 @@ static u32 mem_calibrate(void) continue;

/* Calibrate WRITEs */ - if (!rw_mgr_mem_calibrate_writes(rank_bgn, + if (!rw_mgr_mem_calibrate_writes(seq, rank_bgn, write_group, write_test_bgn)) continue;

group_failed = 1; - if (!(gbl->phy_debug_mode_flags & + if (!(seq->gbl.phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) return 0; } @@ -3431,15 +3505,16 @@ static u32 mem_calibrate(void) read_test_bgn = 0; read_group < (write_group + 1) * rwdqs_ratio; read_group++, - read_test_bgn += rwcfg->mem_dq_per_read_dqs) { + read_test_bgn += seq->rwcfg->mem_dq_per_read_dqs) { if (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) continue;

- if (!rw_mgr_mem_calibrate_vfifo_end(read_group, + if (!rw_mgr_mem_calibrate_vfifo_end(seq, + read_group, read_test_bgn)) continue;

- if (!(gbl->phy_debug_mode_flags & + if (!(seq->gbl.phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) return 0;

@@ -3465,7 +3540,7 @@ grp_failed: /* A group failed, increment the counter. */ continue;

/* Calibrate the LFIFO */ - if (!rw_mgr_mem_calibrate_lfifo()) + if (!rw_mgr_mem_calibrate_lfifo(seq)) return 0; }

@@ -3482,7 +3557,7 @@ grp_failed: /* A group failed, increment the counter. */ * * This function triggers the entire memory calibration procedure. */ -static int run_mem_calibrate(void) +static int run_mem_calibrate(struct socfpga_sdrseq *seq) { int pass; u32 ctrl_cfg; @@ -3497,17 +3572,17 @@ static int run_mem_calibrate(void) writel(ctrl_cfg & ~SDR_CTRLGRP_CTRLCFG_DQSTRKEN_MASK, &sdr_ctrl->ctrl_cfg);

- phy_mgr_initialize(); - rw_mgr_mem_initialize(); + phy_mgr_initialize(seq); + rw_mgr_mem_initialize(seq);

/* Perform the actual memory calibration. */ - pass = mem_calibrate(); + pass = mem_calibrate(seq);

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

/* Handoff. */ - rw_mgr_mem_handoff(); + rw_mgr_mem_handoff(seq); /* * In Hard PHY this is a 2-bit control: * 0: AFI Mux Select @@ -3528,25 +3603,25 @@ static int run_mem_calibrate(void) * This function reports the results of the memory calibration * and writes debug information into the register file. */ -static void debug_mem_calibrate(int pass) +static void debug_mem_calibrate(struct socfpga_sdrseq *seq, int pass) { u32 debug_info;

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

- gbl->fom_in /= 2; - gbl->fom_out /= 2; + seq->gbl.fom_in /= 2; + seq->gbl.fom_out /= 2;

- if (gbl->fom_in > 0xff) - gbl->fom_in = 0xff; + if (seq->gbl.fom_in > 0xff) + seq->gbl.fom_in = 0xff;

- if (gbl->fom_out > 0xff) - gbl->fom_out = 0xff; + if (seq->gbl.fom_out > 0xff) + seq->gbl.fom_out = 0xff;

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

writel(debug_info, &phy_mgr_cfg->cal_debug_info); @@ -3554,18 +3629,18 @@ static void debug_mem_calibrate(int pass) } else { debug("%s: CALIBRATION FAILED\n", __FILE__);

- debug_info = gbl->error_stage; - debug_info |= gbl->error_substage << 8; - debug_info |= gbl->error_group << 16; + debug_info = seq->gbl.error_stage; + debug_info |= seq->gbl.error_substage << 8; + debug_info |= seq->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; + debug_info = seq->gbl.error_stage; + debug_info |= seq->gbl.error_substage << 8; + debug_info |= seq->gbl.error_group << 16; writel(debug_info, &sdr_reg_file->failing_stage); }

@@ -3599,10 +3674,11 @@ static void hc_initialize_rom_data(void) * * Initialize SDR register file. */ -static void initialize_reg_file(void) +static void initialize_reg_file(struct socfpga_sdrseq *seq) { /* Initialize the register file with the correct data */ - writel(misccfg->reg_file_init_seq_signature, &sdr_reg_file->signature); + writel(seq->misccfg->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); @@ -3666,15 +3742,15 @@ static void initialize_hps_phy(void) * * Initialize the register file with usable initial data. */ -static void initialize_tracking(void) +static void initialize_tracking(struct socfpga_sdrseq *seq) { /* * Initialize the register file with the correct data. * Compute usable version of value in case we skip full * computation later. */ - writel(DIV_ROUND_UP(iocfg->delay_per_opa_tap, - iocfg->delay_per_dchain_tap) - 1, + writel(DIV_ROUND_UP(seq->iocfg->delay_per_opa_tap, + seq->iocfg->delay_per_dchain_tap) - 1, &sdr_reg_file->dtaps_per_ptap);

/* trk_sample_count */ @@ -3693,23 +3769,22 @@ static void initialize_tracking(void) &sdr_reg_file->delays);

/* mux delay */ - writel((rwcfg->idle << 24) | (rwcfg->activate_1 << 16) | - (rwcfg->sgle_read << 8) | (rwcfg->precharge_all << 0), + writel((seq->rwcfg->idle << 24) | (seq->rwcfg->activate_1 << 16) | + (seq->rwcfg->sgle_read << 8) | (seq->rwcfg->precharge_all << 0), &sdr_reg_file->trk_rw_mgr_addr);

- writel(rwcfg->mem_if_read_dqs_width, + writel(seq->rwcfg->mem_if_read_dqs_width, &sdr_reg_file->trk_read_dqs_width);

/* trefi [7:0] */ - writel((rwcfg->refresh_all << 24) | (1000 << 0), + writel((seq->rwcfg->refresh_all << 24) | (1000 << 0), &sdr_reg_file->trk_rfsh); }

int sdram_calibration_full(struct socfpga_sdr *sdr) { - struct param_type my_param; - struct gbl_type my_gbl; u32 pass; + struct socfpga_sdrseq seq;

/* * For size reasons, this file uses hard coded addresses. @@ -3718,60 +3793,61 @@ int sdram_calibration_full(struct socfpga_sdr *sdr) if (sdr != (struct socfpga_sdr *)SOCFPGA_SDR_ADDRESS) return -ENODEV;

- memset(&my_param, 0, sizeof(my_param)); - memset(&my_gbl, 0, sizeof(my_gbl)); - - param = &my_param; - gbl = &my_gbl; + memset(&seq, 0, sizeof(seq));

- rwcfg = socfpga_get_sdram_rwmgr_config(); - iocfg = socfpga_get_sdram_io_config(); - misccfg = socfpga_get_sdram_misc_config(); + seq.rwcfg = socfpga_get_sdram_rwmgr_config(); + seq.iocfg = socfpga_get_sdram_io_config(); + seq.misccfg = socfpga_get_sdram_misc_config();

/* Set the calibration enabled by default */ - gbl->phy_debug_mode_flags |= PHY_DEBUG_ENABLE_CAL_RPT; + seq.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; + seq.gbl.phy_debug_mode_flags |= PHY_DEBUG_DISABLE_GUARANTEED_READ; #endif /* Initialize the register file */ - initialize_reg_file(); + initialize_reg_file(&seq);

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

scc_mgr_initialize();

- initialize_tracking(); + initialize_tracking(&seq);

debug("%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 ", - rwcfg->mem_number_of_ranks, rwcfg->mem_number_of_cs_per_dimm, - rwcfg->mem_dq_per_read_dqs, rwcfg->mem_dq_per_write_dqs, - rwcfg->mem_virtual_groups_per_read_dqs, - rwcfg->mem_virtual_groups_per_write_dqs); + seq.rwcfg->mem_number_of_ranks, + seq.rwcfg->mem_number_of_cs_per_dimm, + seq.rwcfg->mem_dq_per_read_dqs, + seq.rwcfg->mem_dq_per_write_dqs, + seq.rwcfg->mem_virtual_groups_per_read_dqs, + seq.rwcfg->mem_virtual_groups_per_write_dqs); debug_cond(DLEVEL >= 1, "dqs=%u,%u dq=%u dm=%u ptap_delay=%u dtap_delay=%u ", - rwcfg->mem_if_read_dqs_width, rwcfg->mem_if_write_dqs_width, - rwcfg->mem_data_width, rwcfg->mem_data_mask_width, - iocfg->delay_per_opa_tap, iocfg->delay_per_dchain_tap); + seq.rwcfg->mem_if_read_dqs_width, + seq.rwcfg->mem_if_write_dqs_width, + seq.rwcfg->mem_data_width, seq.rwcfg->mem_data_mask_width, + seq.iocfg->delay_per_opa_tap, + seq.iocfg->delay_per_dchain_tap); debug_cond(DLEVEL >= 1, "dtap_dqsen_delay=%u, dll=%u", - iocfg->delay_per_dqs_en_dchain_tap, iocfg->dll_chain_length); + seq.iocfg->delay_per_dqs_en_dchain_tap, + seq.iocfg->dll_chain_length); debug_cond(DLEVEL >= 1, "max values: en_p=%u dqdqs_p=%u en_d=%u dqs_in_d=%u ", - iocfg->dqs_en_phase_max, iocfg->dqdqs_out_phase_max, - iocfg->dqs_en_delay_max, iocfg->dqs_in_delay_max); + seq.iocfg->dqs_en_phase_max, seq.iocfg->dqdqs_out_phase_max, + seq.iocfg->dqs_en_delay_max, seq.iocfg->dqs_in_delay_max); debug_cond(DLEVEL >= 1, "io_in_d=%u io_out1_d=%u io_out2_d=%u ", - iocfg->io_in_delay_max, iocfg->io_out1_delay_max, - iocfg->io_out2_delay_max); + seq.iocfg->io_in_delay_max, seq.iocfg->io_out1_delay_max, + seq.iocfg->io_out2_delay_max); debug_cond(DLEVEL >= 1, "dqs_in_reserve=%u dqs_out_reserve=%u\n", - iocfg->dqs_in_reserve, iocfg->dqs_out_reserve); + seq.iocfg->dqs_in_reserve, seq.iocfg->dqs_out_reserve);

hc_initialize_rom_data();

@@ -3783,17 +3859,17 @@ int sdram_calibration_full(struct socfpga_sdr *sdr) * Load global needed for those actions that require * some dynamic calibration support. */ - dyn_calib_steps = STATIC_CALIB_STEPS; + seq.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; + if (!(seq.dyn_calib_steps & CALIB_SKIP_DELAY_LOOPS)) + seq.skip_delay_mask = 0xff; else - skip_delay_mask = 0x0; + seq.skip_delay_mask = 0x0;

- pass = run_mem_calibrate(); - debug_mem_calibrate(pass); + pass = run_mem_calibrate(&seq); + debug_mem_calibrate(&seq, pass); return pass; } diff --git a/drivers/ddr/altera/sequencer.h b/drivers/ddr/altera/sequencer.h index d7f6935201..4a03c3fdf9 100644 --- a/drivers/ddr/altera/sequencer.h +++ b/drivers/ddr/altera/sequencer.h @@ -6,14 +6,16 @@ #ifndef _SEQUENCER_H_ #define _SEQUENCER_H_

-#define RW_MGR_NUM_DM_PER_WRITE_GROUP (rwcfg->mem_data_mask_width \ - / rwcfg->mem_if_write_dqs_width) -#define RW_MGR_NUM_TRUE_DM_PER_WRITE_GROUP (rwcfg->true_mem_data_mask_width \ - / rwcfg->mem_if_write_dqs_width) +#define RW_MGR_NUM_DM_PER_WRITE_GROUP (seq->rwcfg->mem_data_mask_width \ + / seq->rwcfg->mem_if_write_dqs_width) +#define RW_MGR_NUM_TRUE_DM_PER_WRITE_GROUP ( \ + seq->rwcfg->true_mem_data_mask_width \ + / seq->rwcfg->mem_if_write_dqs_width)

-#define RW_MGR_NUM_DQS_PER_WRITE_GROUP (rwcfg->mem_if_read_dqs_width \ - / rwcfg->mem_if_write_dqs_width) -#define NUM_RANKS_PER_SHADOW_REG (rwcfg->mem_number_of_ranks / NUM_SHADOW_REGS) +#define RW_MGR_NUM_DQS_PER_WRITE_GROUP (seq->rwcfg->mem_if_read_dqs_width \ + / seq->rwcfg->mem_if_write_dqs_width) +#define NUM_RANKS_PER_SHADOW_REG (seq->rwcfg->mem_number_of_ranks \ + / NUM_SHADOW_REGS)

#define RW_MGR_RUN_SINGLE_GROUP_OFFSET 0x0 #define RW_MGR_RUN_ALL_GROUPS_OFFSET 0x0400 @@ -256,6 +258,26 @@ struct socfpga_sdr { u8 _align9[0xea4]; };

+struct socfpga_sdrseq { + const struct socfpga_sdram_rw_mgr_config *rwcfg; + const struct socfpga_sdram_io_config *iocfg; + const struct socfpga_sdram_misc_config *misccfg; + /* calibration steps requested by the rtl */ + u16 dyn_calib_steps; + /* + * To make CALIB_SKIP_DELAY_LOOPS a dynamic conditional option + * instead of static, we use boolean logic to select between + * non-skip and skip values + * + * The mask is set to include all bits when not-skipping, but is + * zero when skipping + */ + + u16 skip_delay_mask; /* mask off bits when skipping/not-skipping */ + struct gbl_type gbl; + struct param_type param; +}; + int sdram_calibration_full(struct socfpga_sdr *sdr);

#endif /* _SEQUENCER_H_ */