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minerva: more accurate clock tree delays

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Additionally, do not restore source DPD ctrl when switching frequencies or training is not needed.
This commit is contained in:
CTCaer 2021-04-11 09:50:06 +03:00
parent 978e8344cf
commit faf5651607
2 changed files with 84 additions and 87 deletions
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3
modules/hekate_libsys_minerva/mtc.h
View file

@ -140,7 +140,4 @@ void _minerva_do_over_temp_compensation(mtc_config_t *mtc_cfg);
/* Over temp and periodic compensation, should not access EMC_MRR at the same time. */ /* Over temp and periodic compensation, should not access EMC_MRR at the same time. */
u32 _minerva_do_periodic_compensation(emc_table_t *mtc_table_entry); u32 _minerva_do_periodic_compensation(emc_table_t *mtc_table_entry);
/* Main function used to access all Minerva functions. */
void _minerva_init(mtc_config_t *mtc_cfg, void* bp);
#endif #endif

130
modules/hekate_libsys_minerva/sys_sdrammtc.c
View file

@ -2,7 +2,7 @@
* Minerva Training Cell * Minerva Training Cell
* DRAM Training for Tegra X1 SoC. Supports LPDDR4. * DRAM Training for Tegra X1 SoC. Supports LPDDR4.
* *
* Copyright (c) 2018 CTCaer <ctcaer@gmail.com> * Copyright (c) 2018-2021 CTCaer <ctcaer@gmail.com>
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * under the terms and conditions of the GNU General Public License,
@ -1365,7 +1365,7 @@ static u32 _dvfs_power_ramp_down(bool flip_backward, emc_table_t *src_emc_table_
u32 pmacro_cmd_pad_drvforceon = pmacro_cmd_pad | 0x4000000; u32 pmacro_cmd_pad_drvforceon = pmacro_cmd_pad | 0x4000000;
u32 ramp_down_wait = src_clock_period * 12 / 1000; u32 ramp_down_wait = src_clock_period * 12;
_ccfifo_write(EMC_PMACRO_CMD_PAD_TX_CTRL, pmacro_cmd_pad_drvforceon, 0); _ccfifo_write(EMC_PMACRO_CMD_PAD_TX_CTRL, pmacro_cmd_pad_drvforceon, 0);
_ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 | 0x100, 12); _ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 | 0x100, 12);
@ -1373,11 +1373,10 @@ static u32 _dvfs_power_ramp_down(bool flip_backward, emc_table_t *src_emc_table_
if (src_clock_period >= 1000) // Dvfs high speed threshold. if (src_clock_period >= 1000) // Dvfs high speed threshold.
{ {
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xF800F800, (u32)(src_clk_per_pc + 19)); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xF800F800, (u32)(src_clk_per_pc + 19));
ramp_down_wait = ramp_down_wait + 100 + (src_clock_period * 20 / 1000); ramp_down_wait += 100000 + (src_clock_period * 20);
} }
else else
{ {
ramp_down_wait += 100;
if (src_clock_period >= 416) // Iobrick dcc threshold. if (src_clock_period >= 416) // Iobrick dcc threshold.
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFEEDFEED, (u32)src_clk_per_pc); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFEEDFEED, (u32)src_clk_per_pc);
else else
@ -1388,8 +1387,7 @@ static u32 _dvfs_power_ramp_down(bool flip_backward, emc_table_t *src_emc_table_
_ccfifo_write(EMC_PMACRO_DATA_PAD_TX_CTRL, pmacro_dq_pad, 0); _ccfifo_write(EMC_PMACRO_DATA_PAD_TX_CTRL, pmacro_dq_pad, 0);
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFEEDFEED, 0); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFEEDFEED, 0);
} }
ramp_down_wait += 300000;
ramp_down_wait += 200;
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFE40FE40, (u32)src_clk_per_pc); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFE40FE40, (u32)src_clk_per_pc);
if (src_clock_period >= 416) // Iobrick dcc threshold. if (src_clock_period >= 416) // Iobrick dcc threshold.
@ -1406,7 +1404,7 @@ static u32 _dvfs_power_ramp_down(bool flip_backward, emc_table_t *src_emc_table_
_ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xFFFFFFF0, (u32)src_clk_per_pc); _ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xFFFFFFF0, (u32)src_clk_per_pc);
else else
{ {
ramp_down_wait += 400; ramp_down_wait += 400000;
_ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xFFFFFFFA, (u32)src_clk_per_pc); _ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xFFFFFFFA, (u32)src_clk_per_pc);
_ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xFFFFFFF0, (u32)src_clk_per_pc); _ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xFFFFFFF0, (u32)src_clk_per_pc);
_ccfifo_write(0, 0, (u32)src_clk_per_pc); _ccfifo_write(0, 0, (u32)src_clk_per_pc);
@ -1477,49 +1475,49 @@ static u32 _dvfs_power_ramp_up(bool flip_backward, emc_table_t *src_emc_table_en
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 | 0x600, 0); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 | 0x600, 0);
_ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 & 0xFFFFFEFF, 12); _ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 & 0xFFFFFEFF, 12);
ramp_up_wait = (dst_clock_period * 12) / 1000 + 0; ramp_up_wait = (dst_clock_period * 12) + 0;
} }
else else
{ {
_ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xA, 0); _ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xA, 0);
_ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xF, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_COMMON_PAD_TX_CTRL, pmacro_common_tx & 0xF, dst_clk_per_pc);
if (dst_clock_period < 1000) // Dvfs high speed threshold. if (dst_clock_period < 1000) // Dvfs high speed threshold.
{ {
if (dst_clock_period >= 416) // Iobrick dcc threshold. if (dst_clock_period >= 416) // Iobrick dcc threshold.
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFE40FE40, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFE40FE40, dst_clk_per_pc);
else else
{ {
pmacro_cmd_pad_data = (pmacro_cmd_pad & 0xFEFEFDFD) | 0x4010200; pmacro_cmd_pad_data = (pmacro_cmd_pad & 0xFEFEFDFD) | 0x4010200;
pmacro_dq_pad = (pmacro_dq_pad & 0xFEFEFDFD) | 0x10200; pmacro_dq_pad = (pmacro_dq_pad & 0xFEFEFDFD) | 0x10200;
_ccfifo_write(EMC_PMACRO_CMD_PAD_TX_CTRL, pmacro_cmd_pad_data, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_CMD_PAD_TX_CTRL, pmacro_cmd_pad_data, dst_clk_per_pc);
_ccfifo_write(EMC_PMACRO_DATA_PAD_TX_CTRL, pmacro_dq_pad, 0); _ccfifo_write(EMC_PMACRO_DATA_PAD_TX_CTRL, pmacro_dq_pad, 0);
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFE40FE40, 0); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFE40FE40, 0);
} }
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFEEDFEED, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 & 0xFEEDFEED, dst_clk_per_pc);
if (dst_clock_period >= 416) // Iobrick dcc threshold. if (dst_clock_period >= 416) // Iobrick dcc threshold.
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1, dst_clk_per_pc);
else else
{ {
pmacro_cmd_pad_data |= 0x1010202u; pmacro_cmd_pad_data |= 0x1010202u;
pmacro_dq_pad |= 0x1010202; pmacro_dq_pad |= 0x1010202;
_ccfifo_write(EMC_PMACRO_CMD_PAD_TX_CTRL, pmacro_cmd_pad_data, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_CMD_PAD_TX_CTRL, pmacro_cmd_pad_data, dst_clk_per_pc);
_ccfifo_write(EMC_PMACRO_DATA_PAD_TX_CTRL, pmacro_dq_pad, 0); _ccfifo_write(EMC_PMACRO_DATA_PAD_TX_CTRL, pmacro_dq_pad, 0);
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1, 0); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1, 0);
} }
_ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 & 0xFFFFFEFF, (u32)(dst_clk_per_pc + 9)); _ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 & 0xFFFFFEFF, dst_clk_per_pc + 9);
ramp_up_wait = 500 + (dst_clock_period * 10) / 1000; ramp_up_wait = 500000 + (dst_clock_period * 10);
} }
else // 1000 > dst_clock_period < 1666. else // 1000 > dst_clock_period < 1666.
{ {
_ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 | 0x6000600, (u32)dst_clk_per_pc); _ccfifo_write(EMC_PMACRO_BRICK_CTRL_RFU1, pmacro_rfu1 | 0x6000600, dst_clk_per_pc);
_ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 & 0xFFFFFEFF, (u32)(dst_clk_per_pc + 9)); _ccfifo_write(EMC_FBIO_CFG5, pmacro_cfg5 & 0xFFFFFEFF, dst_clk_per_pc + 9);
ramp_up_wait = 200 + (dst_clock_period * 10) / 1000; ramp_up_wait = 200000 + (dst_clock_period * 10);
} }
} }
@ -1541,9 +1539,9 @@ static u32 _minerva_update_clock_tree_delay(emc_table_t *src_emc_entry, emc_tabl
u32 upd_type_bits = 1 << update_type; u32 upd_type_bits = 1 << update_type;
u32 dst_rate_mhz = dst_emc_entry->rate_khz / 1000; u32 dst_rate_mhz = dst_emc_entry->rate_khz / 1000;
u32 src_rate_mhz_2x = (src_emc_entry->rate_khz / 1000) * 2; u32 src_rate_mhz = src_emc_entry->rate_khz / 1000;
u32 tval = 1000000 * _actual_osc_clocks(src_emc_entry->run_clocks); u32 tval = 1000000 * _actual_osc_clocks(src_emc_entry->run_clocks) / 2;
if (update_type > PERIODIC_TRAINING_UPDATE) if (update_type > PERIODIC_TRAINING_UPDATE)
return 0; return 0;
@ -1569,7 +1567,7 @@ static u32 _minerva_update_clock_tree_delay(emc_table_t *src_emc_entry, emc_tabl
} }
} }
cval = tval / (src_rate_mhz_2x * temp_ch0_0); cval = tval / (src_rate_mhz * temp_ch0_0);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1601,11 +1599,11 @@ static u32 _minerva_update_clock_tree_delay(emc_table_t *src_emc_entry, emc_tabl
if (tdelta < 0) if (tdelta < 0)
tdelta = -tdelta; tdelta = -tdelta;
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c0d0u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d0u0_idx / 100; dst_emc_entry->current_dram_clktree_c0d0u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d0u0_idx / 100;
calc_td0_0: calc_td0_0:
cval = tval / (src_rate_mhz_2x * temp_ch0_1); cval = tval / (src_rate_mhz * temp_ch0_1);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1638,13 +1636,13 @@ calc_td0_0:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c0d0u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d0u1_idx / 100; dst_emc_entry->current_dram_clktree_c0d0u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d0u1_idx / 100;
calc_td1_0: calc_td1_0:
if (channel1_enabled) if (channel1_enabled)
{ {
cval = tval / (src_rate_mhz_2x * temp_ch1_0); cval = tval / (src_rate_mhz * temp_ch1_0);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1677,11 +1675,11 @@ calc_td1_0:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c1d0u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d0u0_idx / 100; dst_emc_entry->current_dram_clktree_c1d0u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d0u0_idx / 100;
calc_td1_1: calc_td1_1:
cval = tval / (src_rate_mhz_2x * temp_ch1_1); cval = tval / (src_rate_mhz * temp_ch1_1);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1714,7 +1712,7 @@ calc_td1_1:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c1d0u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d0u1_idx / 100; dst_emc_entry->current_dram_clktree_c1d0u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d0u1_idx / 100;
} }
@ -1743,7 +1741,7 @@ calc_dev2:
} }
} }
cval = tval / (src_rate_mhz_2x * temp_ch0_0); cval = tval / (src_rate_mhz * temp_ch0_0);
switch (update_type ) switch (update_type )
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1776,11 +1774,11 @@ calc_dev2:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c0d1u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d1u0_idx / 100; dst_emc_entry->current_dram_clktree_c0d1u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d1u0_idx / 100;
calc_tmp_td0_1: calc_tmp_td0_1:
cval = tval / (src_rate_mhz_2x * temp_ch0_1); cval = tval / (src_rate_mhz * temp_ch0_1);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1813,13 +1811,13 @@ calc_tmp_td0_1:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c0d1u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d1u1_idx / 100; dst_emc_entry->current_dram_clktree_c0d1u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c0d1u1_idx / 100;
calc_tmp_td1_0: calc_tmp_td1_0:
if (channel1_enabled) if (channel1_enabled)
{ {
cval = tval / (src_rate_mhz_2x * temp_ch1_0); cval = tval / (src_rate_mhz * temp_ch1_0);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1852,11 +1850,11 @@ calc_tmp_td1_0:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c1d1u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d1u0_idx / 100; dst_emc_entry->current_dram_clktree_c1d1u0 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d1u0_idx / 100;
calc_tmp_td1_1: calc_tmp_td1_1:
cval = tval / (src_rate_mhz_2x * temp_ch1_1); cval = tval / (src_rate_mhz * temp_ch1_1);
switch (update_type) switch (update_type)
{ {
case DVFS_PT1: case DVFS_PT1:
@ -1889,7 +1887,7 @@ calc_tmp_td1_1:
tdelta = -tdelta; tdelta = -tdelta;
if (tdelta > adelta) if (tdelta > adelta)
adelta = tdelta; adelta = tdelta;
if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta << 7) / 1000000) > dst_emc_entry->tree_margin) if (update_type == TRAINING_UPDATE || ((dst_rate_mhz * tdelta * 128) / 1000000) > dst_emc_entry->tree_margin)
dst_emc_entry->current_dram_clktree_c1d1u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d1u1_idx / 100; dst_emc_entry->current_dram_clktree_c1d1u1 = dst_emc_entry->ptfv_list.ptfv_dqsosc_movavg_c1d1u1_idx / 100;
} }
@ -2143,8 +2141,8 @@ static u32 _minerva_apply_periodic_compensation_trimmer(emc_table_t *mtc_table_e
static bool _check_freq_changed(u32 dst_entry_rate_KHz, u32 dst_entry_clk_src_emc, u32 src_entry_rate_KHz, u32 src_entry_clk_src_emc) static bool _check_freq_changed(u32 dst_entry_rate_KHz, u32 dst_entry_clk_src_emc, u32 src_entry_rate_KHz, u32 src_entry_clk_src_emc)
{ {
s64 dst_div_clock; u64 dst_div_clock;
s64 src_div_clock; u64 src_div_clock;
u32 src_end_div_clk_ratio; u32 src_end_div_clk_ratio;
u32 src_entry_emc_2X_clk_src = src_entry_clk_src_emc >> EMC_2X_CLK_SRC_SHIFT; u32 src_entry_emc_2X_clk_src = src_entry_clk_src_emc >> EMC_2X_CLK_SRC_SHIFT;
@ -2555,7 +2553,7 @@ static void _save_train_results(emc_table_t *mtc_table_entry, u32 needs_training
} }
} }
u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u32 needs_training, u32 selected_clk_src_emc) static u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u32 needs_training, u32 selected_clk_src_emc)
{ {
u32 emc_dbg_o; u32 emc_dbg_o;
u32 emc_pin_o; u32 emc_pin_o;
@ -2568,8 +2566,8 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
u32 ramp_down_wait; u32 ramp_down_wait;
u32 bg_regulator_mode_change; u32 bg_regulator_mode_change;
u32 mr13_flip_fspop = 0; u32 mr13_flip_fspop = 0;
u32 mr13_flip_fspwr = 0; //float u32 mr13_flip_fspwr = 0;
u32 mr13_catr_enable = 0; //float u32 mr13_catr_enable;
/* needs_training LOBYTE table var */ /* needs_training LOBYTE table var */
/* /*
@ -2604,8 +2602,8 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
u32 dram_type = EMC(EMC_FBIO_CFG5) & 3; u32 dram_type = EMC(EMC_FBIO_CFG5) & 3;
u32 dram_dev_num = (MC(MC_EMEM_ADR_CFG) & 1) + 1; u32 dram_dev_num = (MC(MC_EMEM_ADR_CFG) & 1) + 1;
u32 src_clock_period = 1000000000 / src_emc_entry->rate_khz; u32 src_clock_period = 1000000000 / src_emc_entry->rate_khz; // In picoseconds.
u32 dst_clock_period = 1000000000 / dst_emc_entry->rate_khz; u32 dst_clock_period = 1000000000 / dst_emc_entry->rate_khz; // In picoseconds.
fsp_for_src_freq = !fsp_for_src_freq; fsp_for_src_freq = !fsp_for_src_freq;
@ -2615,11 +2613,11 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
return 5; return 5;
} }
u32 tFC_lpddr4 = dst_emc_entry->dram_timings.t_fc_lpddr4; u32 tFC_lpddr4 = dst_emc_entry->dram_timings.t_fc_lpddr4 * 1000;
s32 tZQCAL_lpddr4 = 1000; u32 tZQCAL_lpddr4 = 1000000;
if (src_clock_period <= 2000) if (src_clock_period <= 2000)
tZQCAL_lpddr4 = 1000 - tFC_lpddr4; tZQCAL_lpddr4 -= tFC_lpddr4;
s32 tZQCAL_lpddr4_fc_adj = tZQCAL_lpddr4 * 1000 / dst_clock_period; s32 tZQCAL_lpddr4_fc_adj = tZQCAL_lpddr4 / dst_clock_period;
// Step 1 - Pre DVFS SW sequence. // Step 1 - Pre DVFS SW sequence.
EPRINTF("Step 1"); EPRINTF("Step 1");
@ -2672,7 +2670,7 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
u32 adelta = _minerva_periodic_compensation_handler(src_emc_entry, dst_emc_entry, dram_dev_num, channel1_enabled, DVFS_SEQUENCE); u32 adelta = _minerva_periodic_compensation_handler(src_emc_entry, dst_emc_entry, dram_dev_num, channel1_enabled, DVFS_SEQUENCE);
if (((dst_emc_entry->rate_khz / 1000) << 7) * adelta / 1000000 > dst_emc_entry->tree_margin) if (((dst_emc_entry->rate_khz / 1000) * 128) * adelta / 1000000 > dst_emc_entry->tree_margin)
compensate_trimmer_applicable = true; compensate_trimmer_applicable = true;
} }
@ -2759,16 +2757,16 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
u32 W2P_war = 0; u32 W2P_war = 0;
u32 nRTP = 8; // <= 1066MHz. u32 nRTP = 8; // <= 1066MHz.
if (src_clock_period < 3759 // 1000 / 266MHz. if ( src_clock_period < 1000000 / 266
&& src_clock_period < 1876 // 1000 / 533MHz. && src_clock_period < 1000000 / 533
&& src_clock_period < 1250 // 1000 / 800MHz. && src_clock_period < 1000000 / 800
&& src_clock_period < 938) // 1000 / 1066MHz. && src_clock_period < 1000000 / 1066 )
nRTP = 10; // 1067MHz < x <= 1333MHz. nRTP = 10; // 1067MHz < x <= 1333MHz.
if (src_clock_period < 750) // 1000 / 1333MHz. if (src_clock_period < 1000000 / 1333)
nRTP = 12; // 1333MHz < x <= 1600MHz. nRTP = 12; // 1333MHz < x <= 1600MHz.
if (src_clock_period < 625) // 1000 / 1600MHz. if (src_clock_period < 1000000 / 1600)
nRTP = 14; // 1600MHz < x <= 1866MHz. nRTP = 14; // 1600MHz < x <= 1866MHz.
if (src_clock_period < 535) // 1000 / 1866MHz. if (src_clock_period < 1000000 / 1866)
nRTP = 16; // > 1866MHz nRTP = 16; // > 1866MHz
u32 tRPST = (src_emc_entry->emc_mrw >> 7) & 1; u32 tRPST = (src_emc_entry->emc_mrw >> 7) & 1;
@ -3087,7 +3085,7 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
EPRINTF("Step 10"); EPRINTF("Step 10");
_ccfifo_write(EMC_SELF_REF, 0x101, 0); _ccfifo_write(EMC_SELF_REF, 0x101, 0);
if (needs_ca_or_cavref_training < (src_clock_period <= 2000)) if (!needs_ca_or_cavref_training && (src_clock_period <= 2000))
{ {
_ccfifo_write(EMC_MRW3, mr13_flip_fspwr ^ 0x40, 0); _ccfifo_write(EMC_MRW3, mr13_flip_fspwr ^ 0x40, 0);
_ccfifo_write(EMC_MRW6, (src_emc_entry->burst_regs.emc_mrw6_idx & 0xC0C0) | (dst_emc_entry->burst_regs.emc_mrw6_idx & 0xFFFF3F3F), 0); _ccfifo_write(EMC_MRW6, (src_emc_entry->burst_regs.emc_mrw6_idx & 0xC0C0) | (dst_emc_entry->burst_regs.emc_mrw6_idx & 0xFFFF3F3F), 0);
@ -3107,7 +3105,7 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
} }
emc_dbg_val = emc_dbg_o; emc_dbg_val = emc_dbg_o;
u32 tRP_src_timing = src_emc_entry->dram_timings.t_rp * 1000 / src_clock_period; u32 tRP_src_timing = (src_emc_entry->dram_timings.t_rp * 1000) / src_clock_period;
bool in_self_refresh = false; bool in_self_refresh = false;
u32 ref_delay = 0; u32 ref_delay = 0;
@ -3135,7 +3133,7 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
else else
{ {
_ccfifo_write(EMC_MRW3, mr13_flip_fspop | 8, tRP_src_timing); _ccfifo_write(EMC_MRW3, mr13_flip_fspop | 8, tRP_src_timing);
ref_delay = tFC_lpddr4 * 1000 / src_clock_period; ref_delay = tFC_lpddr4 / src_clock_period;
} }
_ccfifo_write(EMC_INTSTATUS, 0, ref_delay); _ccfifo_write(EMC_INTSTATUS, 0, ref_delay);
@ -3190,10 +3188,10 @@ u32 _minerva_set_clock(emc_table_t *src_emc_entry, emc_table_t *dst_emc_entry, u
s32 T_PDEX_timing = div_o3(dst_emc_entry->dram_timings.t_pdex * 1000, dst_clock_period); s32 T_PDEX_timing = div_o3(dst_emc_entry->dram_timings.t_pdex * 1000, dst_clock_period);
if (src_clock_period > 2000) if (src_clock_period > 2000)
zq_latch_dvfs_wait_time = tZQCAL_lpddr4_fc_adj - T_PDEX_timing; zq_latch_dvfs_wait_time = (s32)tZQCAL_lpddr4_fc_adj - T_PDEX_timing;
else else
zq_latch_dvfs_wait_time = zq_latch_dvfs_wait_time =
tZQCAL_lpddr4_fc_adj - (ramp_up_wait + ramp_down_wait) * 1000 / dst_clock_period; (s32)tZQCAL_lpddr4_fc_adj - (ramp_up_wait + ramp_down_wait) / dst_clock_period;
if (dram_dev_num == ONE_RANK) if (dram_dev_num == ONE_RANK)
{ {
@ -3394,8 +3392,8 @@ step_19_2:
} }
else else
{ {
if (ramp_up_wait <= 1250) if (ramp_up_wait <= 1250000)
bg_regulator_switch_complete_wait_clks = (1250 - ramp_up_wait) * 1000 / dst_clock_period; bg_regulator_switch_complete_wait_clks = (1250000 - ramp_up_wait) / dst_clock_period;
_ccfifo_write(EMC_PMACRO_BG_BIAS_CTRL_0, _ccfifo_write(EMC_PMACRO_BG_BIAS_CTRL_0,
dst_emc_entry->burst_regs.emc_pmacro_bg_bias_ctrl_0_idx, bg_regulator_switch_complete_wait_clks); dst_emc_entry->burst_regs.emc_pmacro_bg_bias_ctrl_0_idx, bg_regulator_switch_complete_wait_clks);
} }
@ -3419,6 +3417,7 @@ step_19_2:
// Step 22 - Restore EMC_CFG_PIPE_CLK. // Step 22 - Restore EMC_CFG_PIPE_CLK.
EPRINTF("Step 22"); EPRINTF("Step 22");
if (needs_tristate_training)
_ccfifo_write(EMC_SEL_DPD_CTRL, src_emc_entry->emc_sel_dpd_ctrl, 0); _ccfifo_write(EMC_SEL_DPD_CTRL, src_emc_entry->emc_sel_dpd_ctrl, 0);
_ccfifo_write(EMC_DBG, emc_dbg_o, 0); _ccfifo_write(EMC_DBG, emc_dbg_o, 0);
@ -3711,6 +3710,7 @@ u32 _minerva_do_periodic_compensation(emc_table_t *mtc_table_entry)
if (channel1_enabled) if (channel1_enabled)
_wait_emc_status(EMC_EMC_STATUS, IN_SELF_REFRESH_MASK, 0, EMC_CH1); _wait_emc_status(EMC_EMC_STATUS, IN_SELF_REFRESH_MASK, 0, EMC_CH1);
// Wait for request FIFO to get empty.
//_wait_emc_status(EMC_EMC_STATUS, REQ_FIFO_EMPTY, 0, EMC_CH0); //v1.6 //_wait_emc_status(EMC_EMC_STATUS, REQ_FIFO_EMPTY, 0, EMC_CH0); //v1.6
//if (channel1_enabled) //if (channel1_enabled)
// _wait_emc_status(EMC_EMC_STATUS, REQ_FIFO_EMPTY, 0, EMC_CH1); //v1.6 // _wait_emc_status(EMC_EMC_STATUS, REQ_FIFO_EMPTY, 0, EMC_CH1); //v1.6
@ -3728,7 +3728,7 @@ u32 _minerva_do_periodic_compensation(emc_table_t *mtc_table_entry)
u32 adelta = _minerva_update_clock_tree_delay(mtc_table_entry, mtc_table_entry, dram_dev_num, channel1_enabled, PERIODIC_TRAINING_UPDATE); u32 adelta = _minerva_update_clock_tree_delay(mtc_table_entry, mtc_table_entry, dram_dev_num, channel1_enabled, PERIODIC_TRAINING_UPDATE);
// Step 5 - Apply compensation w.r.t. trained values (if clock tree has drifted more than the set margin). // Step 5 - Apply compensation w.r.t. trained values (if clock tree has drifted more than the set margin).
if (adelta && ((mtc_table_entry->rate_khz / 1000) << 7) * adelta / 1000000 > mtc_table_entry->tree_margin) if (adelta && ((mtc_table_entry->rate_khz / 1000) * 128) * adelta / 1000000 > mtc_table_entry->tree_margin)
{ {
for (u32 i = 0; i < 10; i++) for (u32 i = 0; i < 10; i++)
{ {
@ -3752,7 +3752,7 @@ u32 _minerva_do_periodic_compensation(emc_table_t *mtc_table_entry)
return 0; return 0;
} }
u32 _minerva_set_rate(mtc_config_t *mtc_cfg) static u32 _minerva_set_rate(mtc_config_t *mtc_cfg)
{ {
u32 src_emc_entry_idx = 999; u32 src_emc_entry_idx = 999;
u32 dst_emc_entry_idx = 999; u32 dst_emc_entry_idx = 999;