#include "sequencer_auto_inst_init.h"
#include "sequencer_defines.h"
-static void scc_mgr_load_dqs_for_write_group(uint32_t write_group);
-
static struct socfpga_sdr_rw_load_manager *sdr_rw_load_mgr_regs =
(struct socfpga_sdr_rw_load_manager *)(SDR_PHYGRP_RWMGRGRP_ADDRESS | 0x800);
}
}
-static void reg_file_set_group(uint32_t set_group)
+static void reg_file_set_group(u16 set_group)
{
- /* Read the current group and stage */
- uint32_t cur_stage_group = readl(&sdr_reg_file->cur_stage);
-
- /* Clear the group */
- cur_stage_group &= 0x0000FFFF;
-
- /* Set the group */
- cur_stage_group |= (set_group << 16);
-
- /* Write the data back */
- writel(cur_stage_group, &sdr_reg_file->cur_stage);
+ clrsetbits_le32(&sdr_reg_file->cur_stage, 0xffff0000, set_group << 16);
}
-static void reg_file_set_stage(uint32_t set_stage)
+static void reg_file_set_stage(u8 set_stage)
{
- /* Read the current group and stage */
- uint32_t cur_stage_group = readl(&sdr_reg_file->cur_stage);
-
- /* Clear the stage and substage */
- cur_stage_group &= 0xFFFF0000;
-
- /* Set the stage */
- cur_stage_group |= (set_stage & 0x000000FF);
-
- /* Write the data back */
- writel(cur_stage_group, &sdr_reg_file->cur_stage);
+ clrsetbits_le32(&sdr_reg_file->cur_stage, 0xffff, set_stage & 0xff);
}
-static void reg_file_set_sub_stage(uint32_t set_sub_stage)
+static void reg_file_set_sub_stage(u8 set_sub_stage)
{
- /* Read the current group and stage */
- uint32_t cur_stage_group = readl(&sdr_reg_file->cur_stage);
-
- /* Clear the substage */
- cur_stage_group &= 0xFFFF00FF;
-
- /* Set the sub stage */
- cur_stage_group |= ((set_sub_stage << 8) & 0x0000FF00);
-
- /* Write the data back */
- writel(cur_stage_group, &sdr_reg_file->cur_stage);
+ set_sub_stage &= 0xff;
+ clrsetbits_le32(&sdr_reg_file->cur_stage, 0xff00, set_sub_stage << 8);
}
static void initialize(void)
RW_MGR_SET_CS_AND_ODT_MASK_OFFSET);
}
-static void scc_mgr_initialize(void)
+/**
+ * scc_mgr_set() - Set SCC Manager register
+ * @off: Base offset in SCC Manager space
+ * @grp: Read/Write group
+ * @val: Value to be set
+ *
+ * This function sets the SCC Manager (Scan Chain Control Manager) register.
+ */
+static void scc_mgr_set(u32 off, u32 grp, u32 val)
{
- u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_HHP_RFILE_OFFSET;
+ writel(val, SDR_PHYGRP_SCCGRP_ADDRESS | off | (grp << 2));
+}
+/**
+ * scc_mgr_initialize() - Initialize SCC Manager registers
+ *
+ * Initialize SCC Manager registers.
+ */
+static void scc_mgr_initialize(void)
+{
/*
- * Clear register file for HPS
- * 16 (2^4) is the size of the full register file in the scc mgr:
- * RFILE_DEPTH = log2(MEM_DQ_PER_DQS + 1 + MEM_DM_PER_DQS +
- * MEM_IF_READ_DQS_WIDTH - 1) + 1;
+ * Clear register file for HPS. 16 (2^4) is the size of the
+ * full register file in the scc mgr:
+ * RFILE_DEPTH = 1 + log2(MEM_DQ_PER_DQS + 1 + MEM_DM_PER_DQS +
+ * MEM_IF_READ_DQS_WIDTH - 1);
*/
- uint32_t i;
+ int i;
+
for (i = 0; i < 16; i++) {
debug_cond(DLEVEL == 1, "%s:%d: Clearing SCC RFILE index %u\n",
__func__, __LINE__, i);
- writel(0, addr + (i << 2));
+ scc_mgr_set(SCC_MGR_HHP_RFILE_OFFSET, 0, i);
}
}
-static void scc_mgr_set_dqs_bus_in_delay(uint32_t read_group,
- uint32_t delay)
+static void scc_mgr_set_dqdqs_output_phase(uint32_t write_group, uint32_t phase)
{
- u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_DQS_IN_DELAY_OFFSET;
+ scc_mgr_set(SCC_MGR_DQDQS_OUT_PHASE_OFFSET, write_group, phase);
+}
- /* Load the setting in the SCC manager */
- writel(delay, addr + (read_group << 2));
+static void scc_mgr_set_dqs_bus_in_delay(uint32_t read_group, uint32_t delay)
+{
+ scc_mgr_set(SCC_MGR_DQS_IN_DELAY_OFFSET, read_group, delay);
}
-static void scc_mgr_set_dqs_io_in_delay(uint32_t write_group,
- uint32_t delay)
+static void scc_mgr_set_dqs_en_phase(uint32_t read_group, uint32_t phase)
{
- u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_IO_IN_DELAY_OFFSET;
+ scc_mgr_set(SCC_MGR_DQS_EN_PHASE_OFFSET, read_group, phase);
+}
- writel(delay, addr + (RW_MGR_MEM_DQ_PER_WRITE_DQS << 2));
+static void scc_mgr_set_dqs_en_delay(uint32_t read_group, uint32_t delay)
+{
+ scc_mgr_set(SCC_MGR_DQS_EN_DELAY_OFFSET, read_group, delay);
}
-static void scc_mgr_set_dqs_en_phase(uint32_t read_group, uint32_t phase)
+static void scc_mgr_set_dqs_io_in_delay(uint32_t delay)
{
- u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_DQS_EN_PHASE_OFFSET;
+ scc_mgr_set(SCC_MGR_IO_IN_DELAY_OFFSET, RW_MGR_MEM_DQ_PER_WRITE_DQS,
+ delay);
+}
- /* Load the setting in the SCC manager */
- writel(phase, addr + (read_group << 2));
+static void scc_mgr_set_dq_in_delay(uint32_t dq_in_group, uint32_t delay)
+{
+ scc_mgr_set(SCC_MGR_IO_IN_DELAY_OFFSET, dq_in_group, delay);
}
-static void scc_mgr_set_dqs_en_phase_all_ranks(uint32_t read_group,
- uint32_t phase)
+static void scc_mgr_set_dq_out1_delay(uint32_t dq_in_group, uint32_t delay)
{
- uint32_t r;
- uint32_t update_scan_chains;
+ scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET, dq_in_group, delay);
+}
- for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
- r += NUM_RANKS_PER_SHADOW_REG) {
- /*
- * USER although the h/w doesn't support different phases per
- * shadow register, for simplicity our scc manager modeling
- * keeps different phase settings per shadow reg, and it's
- * important for us to keep them in sync to match h/w.
- * for efficiency, the scan chain update should occur only
- * once to sr0.
- */
- update_scan_chains = (r == 0) ? 1 : 0;
+static void scc_mgr_set_dqs_out1_delay(uint32_t delay)
+{
+ scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET, RW_MGR_MEM_DQ_PER_WRITE_DQS,
+ delay);
+}
- scc_mgr_set_dqs_en_phase(read_group, phase);
+static void scc_mgr_set_dm_out1_delay(uint32_t dm, uint32_t delay)
+{
+ scc_mgr_set(SCC_MGR_IO_OUT1_DELAY_OFFSET,
+ RW_MGR_MEM_DQ_PER_WRITE_DQS + 1 + dm,
+ delay);
+}
- if (update_scan_chains) {
- writel(read_group, &sdr_scc_mgr->dqs_ena);
- writel(0, &sdr_scc_mgr->update);
- }
- }
+/* load up dqs config settings */
+static void scc_mgr_load_dqs(uint32_t dqs)
+{
+ writel(dqs, &sdr_scc_mgr->dqs_ena);
}
-static void scc_mgr_set_dqdqs_output_phase(uint32_t write_group,
- uint32_t phase)
+/* load up dqs io config settings */
+static void scc_mgr_load_dqs_io(void)
{
- u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_DQDQS_OUT_PHASE_OFFSET;
+ writel(0, &sdr_scc_mgr->dqs_io_ena);
+}
- /* Load the setting in the SCC manager */
- writel(phase, addr + (write_group << 2));
+/* load up dq config settings */
+static void scc_mgr_load_dq(uint32_t dq_in_group)
+{
+ writel(dq_in_group, &sdr_scc_mgr->dq_ena);
}
-static void scc_mgr_set_dqdqs_output_phase_all_ranks(uint32_t write_group,
- uint32_t phase)
+/* load up dm config settings */
+static void scc_mgr_load_dm(uint32_t dm)
{
- uint32_t r;
- uint32_t update_scan_chains;
+ writel(dm, &sdr_scc_mgr->dm_ena);
+}
+
+/**
+ * scc_mgr_set_all_ranks() - Set SCC Manager register for all ranks
+ * @off: Base offset in SCC Manager space
+ * @grp: Read/Write group
+ * @val: Value to be set
+ * @update: If non-zero, trigger SCC Manager update for all ranks
+ *
+ * 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,
+ const int update)
+{
+ u32 r;
for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
r += NUM_RANKS_PER_SHADOW_REG) {
- /*
- * USER although the h/w doesn't support different phases per
- * shadow register, for simplicity our scc manager modeling
- * keeps different phase settings per shadow reg, and it's
- * important for us to keep them in sync to match h/w.
- * for efficiency, the scan chain update should occur only
- * once to sr0.
- */
- update_scan_chains = (r == 0) ? 1 : 0;
-
- scc_mgr_set_dqdqs_output_phase(write_group, phase);
+ scc_mgr_set(off, grp, val);
- if (update_scan_chains) {
- writel(write_group, &sdr_scc_mgr->dqs_ena);
+ if (update || (r == 0)) {
+ writel(grp, &sdr_scc_mgr->dqs_ena);
writel(0, &sdr_scc_mgr->update);
}
}
}
-static void scc_mgr_set_dqs_en_delay(uint32_t read_group, uint32_t delay)
+static void scc_mgr_set_dqs_en_phase_all_ranks(u32 read_group, u32 phase)
{
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_DQS_EN_DELAY_OFFSET;
+ /*
+ * USER although the h/w doesn't support different phases per
+ * shadow register, for simplicity our scc manager modeling
+ * keeps different phase settings per shadow reg, and it's
+ * important for us to keep them in sync to match h/w.
+ * for efficiency, the scan chain update should occur only
+ * once to sr0.
+ */
+ scc_mgr_set_all_ranks(SCC_MGR_DQS_EN_PHASE_OFFSET,
+ read_group, phase, 0);
+}
- /* Load the setting in the SCC manager */
- writel(delay + IO_DQS_EN_DELAY_OFFSET, addr +
- (read_group << 2));
+static void scc_mgr_set_dqdqs_output_phase_all_ranks(uint32_t write_group,
+ uint32_t phase)
+{
+ /*
+ * USER although the h/w doesn't support different phases per
+ * shadow register, for simplicity our scc manager modeling
+ * keeps different phase settings per shadow reg, and it's
+ * important for us to keep them in sync to match h/w.
+ * for efficiency, the scan chain update should occur only
+ * once to sr0.
+ */
+ scc_mgr_set_all_ranks(SCC_MGR_DQDQS_OUT_PHASE_OFFSET,
+ write_group, phase, 0);
}
static void scc_mgr_set_dqs_en_delay_all_ranks(uint32_t read_group,
uint32_t delay)
{
- uint32_t r;
-
- for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
- r += NUM_RANKS_PER_SHADOW_REG) {
- scc_mgr_set_dqs_en_delay(read_group, delay);
-
- writel(read_group, &sdr_scc_mgr->dqs_ena);
- /*
- * In shadow register mode, the T11 settings are stored in
- * registers in the core, which are updated by the DQS_ENA
- * signals. Not issuing the SCC_MGR_UPD command allows us to
- * save lots of rank switching overhead, by calling
- * select_shadow_regs_for_update with update_scan_chains
- * set to 0.
- */
- writel(0, &sdr_scc_mgr->update);
- }
/*
* In shadow register mode, the T11 settings are stored in
* registers in the core, which are updated by the DQS_ENA
* select_shadow_regs_for_update with update_scan_chains
* set to 0.
*/
+ scc_mgr_set_all_ranks(SCC_MGR_DQS_EN_DELAY_OFFSET,
+ read_group, delay, 1);
writel(0, &sdr_scc_mgr->update);
}
-static void scc_mgr_set_oct_out1_delay(uint32_t write_group, uint32_t delay)
+/**
+ * scc_mgr_set_oct_out1_delay() - Set OCT output delay
+ * @write_group: Write group
+ * @delay: Delay value
+ *
+ * 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)
{
- uint32_t read_group;
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_OCT_OUT1_DELAY_OFFSET;
-
+ const int ratio = RW_MGR_MEM_IF_READ_DQS_WIDTH /
+ RW_MGR_MEM_IF_WRITE_DQS_WIDTH;
+ const int base = write_group * ratio;
+ int i;
/*
* Load the setting in the SCC manager
* Although OCT affects only write data, the OCT delay is controlled
* For protocols where a write group consists of multiple read groups,
* the setting must be set multiple times.
*/
- for (read_group = write_group * RW_MGR_MEM_IF_READ_DQS_WIDTH /
- RW_MGR_MEM_IF_WRITE_DQS_WIDTH;
- read_group < (write_group + 1) * RW_MGR_MEM_IF_READ_DQS_WIDTH /
- RW_MGR_MEM_IF_WRITE_DQS_WIDTH; ++read_group)
- writel(delay, addr + (read_group << 2));
-}
-
-static void scc_mgr_set_dq_out1_delay(uint32_t write_group,
- uint32_t dq_in_group, uint32_t delay)
-{
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_IO_OUT1_DELAY_OFFSET;
-
- /* Load the setting in the SCC manager */
- writel(delay, addr + (dq_in_group << 2));
-}
-
-static void scc_mgr_set_dq_in_delay(uint32_t write_group,
- uint32_t dq_in_group, uint32_t delay)
-{
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_IO_IN_DELAY_OFFSET;
-
- /* Load the setting in the SCC manager */
- writel(delay, addr + (dq_in_group << 2));
+ for (i = 0; i < ratio; i++)
+ scc_mgr_set(SCC_MGR_OCT_OUT1_DELAY_OFFSET, base + i, delay);
}
+/**
+ * scc_mgr_set_hhp_extras() - Set HHP extras.
+ *
+ * Load the fixed setting in the SCC manager HHP extras.
+ */
static void scc_mgr_set_hhp_extras(void)
{
/*
* Load the fixed setting in the SCC manager
- * bits: 0:0 = 1'b1 - dqs bypass
- * bits: 1:1 = 1'b1 - dq bypass
- * bits: 4:2 = 3'b001 - rfifo_mode
- * bits: 6:5 = 2'b01 - rfifo clock_select
- * bits: 7:7 = 1'b0 - separate gating from ungating setting
- * bits: 8:8 = 1'b0 - separate OE from Output delay setting
+ * bits: 0:0 = 1'b1 - DQS bypass
+ * bits: 1:1 = 1'b1 - DQ bypass
+ * bits: 4:2 = 3'b001 - rfifo_mode
+ * bits: 6:5 = 2'b01 - rfifo clock_select
+ * bits: 7:7 = 1'b0 - separate gating from ungating setting
+ * bits: 8:8 = 1'b0 - separate OE from Output delay setting
*/
- uint32_t value = (0<<8) | (0<<7) | (1<<5) | (1<<2) | (1<<1) | (1<<0);
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_HHP_GLOBALS_OFFSET;
-
- writel(value, addr + SCC_MGR_HHP_EXTRAS_OFFSET);
-}
-
-static void scc_mgr_set_dqs_out1_delay(uint32_t write_group,
- uint32_t delay)
-{
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_IO_OUT1_DELAY_OFFSET;
-
- /* Load the setting in the SCC manager */
- writel(delay, addr + (RW_MGR_MEM_DQ_PER_WRITE_DQS << 2));
-}
+ const u32 value = (0 << 8) | (0 << 7) | (1 << 5) |
+ (1 << 2) | (1 << 1) | (1 << 0);
+ const u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS |
+ SCC_MGR_HHP_GLOBALS_OFFSET |
+ SCC_MGR_HHP_EXTRAS_OFFSET;
-static void scc_mgr_set_dm_out1_delay(uint32_t write_group,
- uint32_t dm, uint32_t delay)
-{
- uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_IO_OUT1_DELAY_OFFSET;
-
- /* Load the setting in the SCC manager */
- writel(delay, addr +
- ((RW_MGR_MEM_DQ_PER_WRITE_DQS + 1 + dm) << 2));
+ debug_cond(DLEVEL == 1, "%s:%d Setting HHP Extras\n",
+ __func__, __LINE__);
+ writel(value, addr);
+ debug_cond(DLEVEL == 1, "%s:%d Done Setting HHP Extras\n",
+ __func__, __LINE__);
}
-/*
- * USER Zero all DQS config
- * TODO: maybe rename to scc_mgr_zero_dqs_config (or something)
+/**
+ * scc_mgr_zero_all() - Zero all DQS config
+ *
+ * Zero all DQS config.
*/
static void scc_mgr_zero_all(void)
{
- uint32_t i, r;
+ int i, r;
/*
* USER Zero all DQS config settings, across all groups and all
* shadow registers
*/
- for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r +=
- NUM_RANKS_PER_SHADOW_REG) {
+ for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
+ r += NUM_RANKS_PER_SHADOW_REG) {
for (i = 0; i < RW_MGR_MEM_IF_READ_DQS_WIDTH; i++) {
/*
* The phases actually don't exist on a per-rank basis,
for (i = 0; i < RW_MGR_MEM_IF_WRITE_DQS_WIDTH; i++) {
scc_mgr_set_dqdqs_output_phase(i, 0);
- /* av/cv don't have out2 */
+ /* Arria V/Cyclone V don't have out2. */
scc_mgr_set_oct_out1_delay(i, IO_DQS_OUT_RESERVE);
}
}
- /* multicast to all DQS group enables */
+ /* Multicast to all DQS group enables. */
writel(0xff, &sdr_scc_mgr->dqs_ena);
writel(0, &sdr_scc_mgr->update);
}
-static void scc_set_bypass_mode(uint32_t write_group, uint32_t mode)
+/**
+ * scc_set_bypass_mode() - Set bypass mode and trigger SCC update
+ * @write_group: Write group
+ *
+ * Set bypass mode and trigger SCC update.
+ */
+static void scc_set_bypass_mode(const u32 write_group)
{
- /* mode = 0 : Do NOT bypass - Half Rate Mode */
- /* mode = 1 : Bypass - Full Rate Mode */
-
- /* only need to set once for all groups, pins, dq, dqs, dm */
- if (write_group == 0) {
- debug_cond(DLEVEL == 1, "%s:%d Setting HHP Extras\n", __func__,
- __LINE__);
- scc_mgr_set_hhp_extras();
- debug_cond(DLEVEL == 1, "%s:%d Done Setting HHP Extras\n",
- __func__, __LINE__);
- }
- /* multicast to all DQ enables */
+ /* Multicast to all DQ enables. */
writel(0xff, &sdr_scc_mgr->dq_ena);
writel(0xff, &sdr_scc_mgr->dm_ena);
- /* update current DQS IO enable */
+ /* Update current DQS IO enable. */
writel(0, &sdr_scc_mgr->dqs_io_ena);
- /* update the DQS logic */
+ /* Update the DQS logic. */
writel(write_group, &sdr_scc_mgr->dqs_ena);
- /* hit update */
+ /* Hit update. */
writel(0, &sdr_scc_mgr->update);
}
-static void scc_mgr_zero_group(uint32_t write_group, uint32_t test_begin,
- int32_t out_only)
+/**
+ * scc_mgr_load_dqs_for_write_group() - Load DQS settings for Write Group
+ * @write_group: 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)
+{
+ const int ratio = RW_MGR_MEM_IF_READ_DQS_WIDTH /
+ RW_MGR_MEM_IF_WRITE_DQS_WIDTH;
+ const int base = write_group * ratio;
+ int i;
+ /*
+ * Load the setting in the SCC manager
+ * Although OCT affects only write data, the OCT delay is controlled
+ * by the DQS logic block which is instantiated once per read group.
+ * For protocols where a write group consists of multiple read groups,
+ * the setting must be set multiple times.
+ */
+ for (i = 0; i < ratio; i++)
+ writel(base + i, &sdr_scc_mgr->dqs_ena);
+}
+
+/**
+ * scc_mgr_zero_group() - Zero all configs for a 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)
{
- uint32_t i, r;
+ int i, r;
- for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r +=
- NUM_RANKS_PER_SHADOW_REG) {
- /* Zero all DQ config settings */
+ for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
+ r += NUM_RANKS_PER_SHADOW_REG) {
+ /* Zero all DQ config settings. */
for (i = 0; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++) {
- scc_mgr_set_dq_out1_delay(write_group, i, 0);
+ scc_mgr_set_dq_out1_delay(i, 0);
if (!out_only)
- scc_mgr_set_dq_in_delay(write_group, i, 0);
+ scc_mgr_set_dq_in_delay(i, 0);
}
- /* multicast to all DQ enables */
+ /* Multicast to all DQ enables. */
writel(0xff, &sdr_scc_mgr->dq_ena);
- /* Zero all DM config settings */
- for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) {
- scc_mgr_set_dm_out1_delay(write_group, i, 0);
- }
+ /* Zero all DM config settings. */
+ for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++)
+ scc_mgr_set_dm_out1_delay(i, 0);
- /* multicast to all DM enables */
+ /* Multicast to all DM enables. */
writel(0xff, &sdr_scc_mgr->dm_ena);
- /* zero all DQS io settings */
+ /* Zero all DQS IO settings. */
if (!out_only)
- scc_mgr_set_dqs_io_in_delay(write_group, 0);
- /* av/cv don't have out2 */
- scc_mgr_set_dqs_out1_delay(write_group, IO_DQS_OUT_RESERVE);
+ scc_mgr_set_dqs_io_in_delay(0);
+
+ /* Arria V/Cyclone V don't have out2. */
+ scc_mgr_set_dqs_out1_delay(IO_DQS_OUT_RESERVE);
scc_mgr_set_oct_out1_delay(write_group, IO_DQS_OUT_RESERVE);
scc_mgr_load_dqs_for_write_group(write_group);
- /* multicast to all DQS IO enables (only 1) */
+ /* Multicast to all DQS IO enables (only 1 in total). */
writel(0, &sdr_scc_mgr->dqs_io_ena);
- /* hit update to zero everything */
+ /* Hit update to zero everything. */
writel(0, &sdr_scc_mgr->update);
}
}
-/* load up dqs config settings */
-static void scc_mgr_load_dqs(uint32_t dqs)
-{
- writel(dqs, &sdr_scc_mgr->dqs_ena);
-}
-
-static void scc_mgr_load_dqs_for_write_group(uint32_t write_group)
-{
- uint32_t read_group;
- uint32_t addr = (u32)&sdr_scc_mgr->dqs_ena;
- /*
- * Although OCT affects only write data, the OCT delay is controlled
- * by the DQS logic block which is instantiated once per read group.
- * For protocols where a write group consists of multiple read groups,
- * the setting must be scanned multiple times.
- */
- for (read_group = write_group * RW_MGR_MEM_IF_READ_DQS_WIDTH /
- RW_MGR_MEM_IF_WRITE_DQS_WIDTH;
- read_group < (write_group + 1) * RW_MGR_MEM_IF_READ_DQS_WIDTH /
- RW_MGR_MEM_IF_WRITE_DQS_WIDTH; ++read_group)
- writel(read_group, addr);
-}
-
-/* load up dqs io config settings */
-static void scc_mgr_load_dqs_io(void)
-{
- writel(0, &sdr_scc_mgr->dqs_io_ena);
-}
-
-/* load up dq config settings */
-static void scc_mgr_load_dq(uint32_t dq_in_group)
-{
- writel(dq_in_group, &sdr_scc_mgr->dq_ena);
-}
-
-/* load up dm config settings */
-static void scc_mgr_load_dm(uint32_t dm)
-{
- writel(dm, &sdr_scc_mgr->dm_ena);
-}
-
/*
* 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(uint32_t write_group,
- uint32_t group_bgn, uint32_t delay)
+static void scc_mgr_apply_group_dq_in_delay(uint32_t group_bgn, uint32_t delay)
{
uint32_t i, p;
for (i = 0, p = group_bgn; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++, p++) {
- scc_mgr_set_dq_in_delay(write_group, p, delay);
+ scc_mgr_set_dq_in_delay(p, delay);
scc_mgr_load_dq(p);
}
}
-/* apply and load a particular output delay for the DQ pins in a group */
-static void scc_mgr_apply_group_dq_out1_delay(uint32_t write_group,
- uint32_t group_bgn,
- uint32_t delay1)
+/**
+ * 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)
{
- uint32_t i, p;
+ int i;
- for (i = 0, p = group_bgn; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++, p++) {
- scc_mgr_set_dq_out1_delay(write_group, i, delay1);
+ for (i = 0; i < RW_MGR_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(uint32_t write_group,
- uint32_t delay1)
+static void scc_mgr_apply_group_dm_out1_delay(uint32_t delay1)
{
uint32_t i;
for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) {
- scc_mgr_set_dm_out1_delay(write_group, i, delay1);
+ scc_mgr_set_dm_out1_delay(i, delay1);
scc_mgr_load_dm(i);
}
}
static void scc_mgr_apply_group_dqs_io_and_oct_out1(uint32_t write_group,
uint32_t delay)
{
- scc_mgr_set_dqs_out1_delay(write_group, delay);
+ scc_mgr_set_dqs_out1_delay(delay);
scc_mgr_load_dqs_io();
scc_mgr_set_oct_out1_delay(write_group, delay);
scc_mgr_load_dqs_for_write_group(write_group);
}
-/* apply a delay to the entire output side: DQ, DM, DQS, OCT */
-static void scc_mgr_apply_group_all_out_delay_add(uint32_t write_group,
- uint32_t group_bgn,
- uint32_t delay)
+/**
+ * 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,
+ const u32 delay)
{
- uint32_t i, p, new_delay;
-
- /* dq shift */
- for (i = 0, p = group_bgn; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++, p++) {
- new_delay = READ_SCC_DQ_OUT2_DELAY;
- new_delay += delay;
-
- if (new_delay > IO_IO_OUT2_DELAY_MAX) {
- debug_cond(DLEVEL == 1, "%s:%d (%u, %u, %u) DQ[%u,%u]:\
- %u > %lu => %lu", __func__, __LINE__,
- write_group, group_bgn, delay, i, p, new_delay,
- (long unsigned int)IO_IO_OUT2_DELAY_MAX,
- (long unsigned int)IO_IO_OUT2_DELAY_MAX);
- new_delay = IO_IO_OUT2_DELAY_MAX;
- }
+ u32 i, new_delay;
+ /* DQ shift */
+ for (i = 0; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++)
scc_mgr_load_dq(i);
- }
-
- /* dm shift */
- for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) {
- new_delay = READ_SCC_DM_IO_OUT2_DELAY;
- new_delay += delay;
-
- if (new_delay > IO_IO_OUT2_DELAY_MAX) {
- debug_cond(DLEVEL == 1, "%s:%d (%u, %u, %u) DM[%u]:\
- %u > %lu => %lu\n", __func__, __LINE__,
- write_group, group_bgn, delay, i, new_delay,
- (long unsigned int)IO_IO_OUT2_DELAY_MAX,
- (long unsigned int)IO_IO_OUT2_DELAY_MAX);
- new_delay = IO_IO_OUT2_DELAY_MAX;
- }
+ /* DM shift */
+ for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++)
scc_mgr_load_dm(i);
- }
-
- /* dqs shift */
- new_delay = READ_SCC_DQS_IO_OUT2_DELAY;
- new_delay += delay;
+ /* DQS shift */
+ new_delay = READ_SCC_DQS_IO_OUT2_DELAY + delay;
if (new_delay > IO_IO_OUT2_DELAY_MAX) {
- debug_cond(DLEVEL == 1, "%s:%d (%u, %u, %u) DQS: %u > %d => %d;"
- " adding %u to OUT1\n", __func__, __LINE__,
- write_group, group_bgn, delay, new_delay,
- IO_IO_OUT2_DELAY_MAX, IO_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,
+ IO_IO_OUT2_DELAY_MAX,
new_delay - IO_IO_OUT2_DELAY_MAX);
- scc_mgr_set_dqs_out1_delay(write_group, new_delay -
- IO_IO_OUT2_DELAY_MAX);
- new_delay = IO_IO_OUT2_DELAY_MAX;
+ new_delay -= IO_IO_OUT2_DELAY_MAX;
+ scc_mgr_set_dqs_out1_delay(new_delay);
}
scc_mgr_load_dqs_io();
- /* oct shift */
- new_delay = READ_SCC_OCT_OUT2_DELAY;
- new_delay += delay;
-
+ /* OCT shift */
+ new_delay = READ_SCC_OCT_OUT2_DELAY + delay;
if (new_delay > IO_IO_OUT2_DELAY_MAX) {
- debug_cond(DLEVEL == 1, "%s:%d (%u, %u, %u) DQS: %u > %d => %d;"
- " adding %u to OUT1\n", __func__, __LINE__,
- write_group, group_bgn, delay, new_delay,
- IO_IO_OUT2_DELAY_MAX, IO_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, IO_IO_OUT2_DELAY_MAX,
new_delay - IO_IO_OUT2_DELAY_MAX);
- scc_mgr_set_oct_out1_delay(write_group, new_delay -
- IO_IO_OUT2_DELAY_MAX);
- new_delay = IO_IO_OUT2_DELAY_MAX;
+ new_delay -= IO_IO_OUT2_DELAY_MAX;
+ scc_mgr_set_oct_out1_delay(write_group, new_delay);
}
scc_mgr_load_dqs_for_write_group(write_group);
}
-/*
- * USER apply a delay to the entire output side (DQ, DM, DQS, OCT)
- * and 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(
- uint32_t write_group, uint32_t group_bgn, uint32_t delay)
+static void
+scc_mgr_apply_group_all_out_delay_add_all_ranks(const u32 write_group,
+ const u32 delay)
{
- uint32_t r;
+ int r;
for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
- r += NUM_RANKS_PER_SHADOW_REG) {
- scc_mgr_apply_group_all_out_delay_add(write_group,
- group_bgn, delay);
+ r += NUM_RANKS_PER_SHADOW_REG) {
+ scc_mgr_apply_group_all_out_delay_add(write_group, delay);
writel(0, &sdr_scc_mgr->update);
}
}
-/* optimization used to recover some slots in ddr3 inst_rom */
-/* could be applied to other protocols if we wanted to */
+/**
+ * set_jump_as_return() - Return instruction optimization
+ *
+ * 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)
{
/*
- * to save space, we replace return with jump to special shared
+ * To save space, we replace return with jump to special shared
* RETURN instruction so we set the counter to large value so that
- * we always jump
+ * we always jump.
*/
writel(0xff, &sdr_rw_load_mgr_regs->load_cntr0);
writel(RW_MGR_RETURN, &sdr_rw_load_jump_mgr_regs->load_jump_add0);
debug("%s:%d clocks=%u ... end\n", __func__, __LINE__, clocks);
}
-static void rw_mgr_mem_initialize(void)
+/**
+ * rw_mgr_mem_init_load_regs() - Load instruction registers
+ * @cntr0: Counter 0 value
+ * @cntr1: Counter 1 value
+ * @cntr2: Counter 2 value
+ * @jump: Jump instruction value
+ *
+ * Load instruction registers.
+ */
+static void rw_mgr_mem_init_load_regs(u32 cntr0, u32 cntr1, u32 cntr2, u32 jump)
{
- uint32_t r;
uint32_t grpaddr = SDR_PHYGRP_RWMGRGRP_ADDRESS |
RW_MGR_RUN_SINGLE_GROUP_OFFSET;
+ /* Load counters */
+ writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(cntr0),
+ &sdr_rw_load_mgr_regs->load_cntr0);
+ writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(cntr1),
+ &sdr_rw_load_mgr_regs->load_cntr1);
+ writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(cntr2),
+ &sdr_rw_load_mgr_regs->load_cntr2);
+
+ /* Load jump address */
+ writel(jump, &sdr_rw_load_jump_mgr_regs->load_jump_add0);
+ writel(jump, &sdr_rw_load_jump_mgr_regs->load_jump_add1);
+ writel(jump, &sdr_rw_load_jump_mgr_regs->load_jump_add2);
+
+ /* Execute count instruction */
+ writel(jump, grpaddr);
+}
+
+/**
+ * rw_mgr_mem_load_user() - Load user calibration values
+ * @fin1: Final instruction 1
+ * @fin2: Final instruction 2
+ * @precharge: If 1, precharge the banks at the end
+ *
+ * Load user calibration values and optionally precharge the banks.
+ */
+static void rw_mgr_mem_load_user(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 < RW_MGR_MEM_NUMBER_OF_RANKS; r++) {
+ if (param->skip_ranks[r]) {
+ /* request to skip the rank */
+ continue;
+ }
+
+ /* set rank */
+ set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);
+
+ /* precharge all banks ... */
+ if (precharge)
+ writel(RW_MGR_PRECHARGE_ALL, grpaddr);
+
+ /*
+ * USER Use Mirror-ed commands for odd ranks if address
+ * mirrorring is on
+ */
+ if ((RW_MGR_MEM_ADDRESS_MIRRORING >> r) & 0x1) {
+ set_jump_as_return();
+ writel(RW_MGR_MRS2_MIRR, grpaddr);
+ delay_for_n_mem_clocks(4);
+ set_jump_as_return();
+ writel(RW_MGR_MRS3_MIRR, grpaddr);
+ delay_for_n_mem_clocks(4);
+ set_jump_as_return();
+ writel(RW_MGR_MRS1_MIRR, grpaddr);
+ delay_for_n_mem_clocks(4);
+ set_jump_as_return();
+ writel(fin1, grpaddr);
+ } else {
+ set_jump_as_return();
+ writel(RW_MGR_MRS2, grpaddr);
+ delay_for_n_mem_clocks(4);
+ set_jump_as_return();
+ writel(RW_MGR_MRS3, grpaddr);
+ delay_for_n_mem_clocks(4);
+ set_jump_as_return();
+ writel(RW_MGR_MRS1, grpaddr);
+ set_jump_as_return();
+ writel(fin2, grpaddr);
+ }
+
+ if (precharge)
+ continue;
+
+ set_jump_as_return();
+ writel(RW_MGR_ZQCL, grpaddr);
+
+ /* tZQinit = tDLLK = 512 ck cycles */
+ delay_for_n_mem_clocks(512);
+ }
+}
+
+static void rw_mgr_mem_initialize(void)
+{
debug("%s:%d\n", __func__, __LINE__);
/* The reset / cke part of initialization is broadcasted to all ranks */
* One possible solution is n = 0 , a = 256 , b = 106 => a = FF,
* b = 6A
*/
-
- /* Load counters */
- writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(SEQ_TINIT_CNTR0_VAL),
- &sdr_rw_load_mgr_regs->load_cntr0);
- writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(SEQ_TINIT_CNTR1_VAL),
- &sdr_rw_load_mgr_regs->load_cntr1);
- writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(SEQ_TINIT_CNTR2_VAL),
- &sdr_rw_load_mgr_regs->load_cntr2);
-
- /* Load jump address */
- writel(RW_MGR_INIT_RESET_0_CKE_0,
- &sdr_rw_load_jump_mgr_regs->load_jump_add0);
- writel(RW_MGR_INIT_RESET_0_CKE_0,
- &sdr_rw_load_jump_mgr_regs->load_jump_add1);
- writel(RW_MGR_INIT_RESET_0_CKE_0,
- &sdr_rw_load_jump_mgr_regs->load_jump_add2);
-
- /* Execute count instruction */
- writel(RW_MGR_INIT_RESET_0_CKE_0, grpaddr);
+ rw_mgr_mem_init_load_regs(SEQ_TINIT_CNTR0_VAL, SEQ_TINIT_CNTR1_VAL,
+ SEQ_TINIT_CNTR2_VAL,
+ RW_MGR_INIT_RESET_0_CKE_0);
/* indicate that memory is stable */
writel(1, &phy_mgr_cfg->reset_mem_stbl);
* One possible solution is n = 2 , a = 131 , b = 256 => a = 83,
* b = FF
*/
-
- /* Load counters */
- writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(SEQ_TRESET_CNTR0_VAL),
- &sdr_rw_load_mgr_regs->load_cntr0);
- writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(SEQ_TRESET_CNTR1_VAL),
- &sdr_rw_load_mgr_regs->load_cntr1);
- writel(SKIP_DELAY_LOOP_VALUE_OR_ZERO(SEQ_TRESET_CNTR2_VAL),
- &sdr_rw_load_mgr_regs->load_cntr2);
-
- /* Load jump address */
- writel(RW_MGR_INIT_RESET_1_CKE_0,
- &sdr_rw_load_jump_mgr_regs->load_jump_add0);
- writel(RW_MGR_INIT_RESET_1_CKE_0,
- &sdr_rw_load_jump_mgr_regs->load_jump_add1);
- writel(RW_MGR_INIT_RESET_1_CKE_0,
- &sdr_rw_load_jump_mgr_regs->load_jump_add2);
-
- writel(RW_MGR_INIT_RESET_1_CKE_0, grpaddr);
+ rw_mgr_mem_init_load_regs(SEQ_TRESET_CNTR0_VAL, SEQ_TRESET_CNTR1_VAL,
+ SEQ_TRESET_CNTR2_VAL,
+ RW_MGR_INIT_RESET_1_CKE_0);
/* bring up clock enable */
/* tXRP < 250 ck cycles */
delay_for_n_mem_clocks(250);
- for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r++) {
- if (param->skip_ranks[r]) {
- /* request to skip the rank */
- continue;
- }
-
- /* set rank */
- set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);
-
- /*
- * USER Use Mirror-ed commands for odd ranks if address
- * mirrorring is on
- */
- if ((RW_MGR_MEM_ADDRESS_MIRRORING >> r) & 0x1) {
- set_jump_as_return();
- writel(RW_MGR_MRS2_MIRR, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS3_MIRR, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS1_MIRR, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS0_DLL_RESET_MIRR, grpaddr);
- } else {
- set_jump_as_return();
- writel(RW_MGR_MRS2, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS3, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS1, grpaddr);
- set_jump_as_return();
- writel(RW_MGR_MRS0_DLL_RESET, grpaddr);
- }
- set_jump_as_return();
- writel(RW_MGR_ZQCL, grpaddr);
-
- /* tZQinit = tDLLK = 512 ck cycles */
- delay_for_n_mem_clocks(512);
- }
+ rw_mgr_mem_load_user(RW_MGR_MRS0_DLL_RESET_MIRR, RW_MGR_MRS0_DLL_RESET,
+ 0);
}
/*
*/
static void rw_mgr_mem_handoff(void)
{
- uint32_t r;
- uint32_t grpaddr = SDR_PHYGRP_RWMGRGRP_ADDRESS |
- RW_MGR_RUN_SINGLE_GROUP_OFFSET;
-
- debug("%s:%d\n", __func__, __LINE__);
- for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r++) {
- if (param->skip_ranks[r])
- /* request to skip the rank */
- continue;
- /* set rank */
- set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);
-
- /* precharge all banks ... */
- writel(RW_MGR_PRECHARGE_ALL, grpaddr);
-
- /* load up MR settings specified by user */
-
- /*
- * Use Mirror-ed commands for odd ranks if address
- * mirrorring is on
- */
- if ((RW_MGR_MEM_ADDRESS_MIRRORING >> r) & 0x1) {
- set_jump_as_return();
- writel(RW_MGR_MRS2_MIRR, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS3_MIRR, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS1_MIRR, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS0_USER_MIRR, grpaddr);
- } else {
- set_jump_as_return();
- writel(RW_MGR_MRS2, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS3, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS1, grpaddr);
- delay_for_n_mem_clocks(4);
- set_jump_as_return();
- writel(RW_MGR_MRS0_USER, grpaddr);
- }
- /*
- * USER need to wait tMOD (12CK or 15ns) time before issuing
- * other commands, but we will have plenty of NIOS cycles before
- * actual handoff so its okay.
- */
- }
+ rw_mgr_mem_load_user(RW_MGR_MRS0_USER_MIRR, RW_MGR_MRS0_USER, 1);
+ /*
+ * USER need to wait tMOD (12CK or 15ns) time before issuing
+ * other commands, but we will have plenty of NIOS cycles before
+ * actual handoff so its okay.
+ */
}
/*
for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
r += NUM_RANKS_PER_SHADOW_REG) {
- for (i = 0, p = test_bgn, d = 0; i < RW_MGR_MEM_DQ_PER_READ_DQS;
- i++, p++, d += delay_step) {
+ for (i = 0, p = test_bgn, d = 0; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++, p++, d += delay_step) {
debug_cond(DLEVEL == 1, "%s:%d rw_mgr_mem_calibrate_\
vfifo_find_dqs_", __func__, __LINE__);
debug_cond(DLEVEL == 1, "en_phase_sweep_dq_in_delay: g=%u/%u ",
write_group, read_group);
debug_cond(DLEVEL == 1, "r=%u, i=%u p=%u d=%u\n", r, i , p, d);
- scc_mgr_set_dq_in_delay(write_group, p, d);
+ scc_mgr_set_dq_in_delay(p, d);
scc_mgr_load_dq(p);
}
writel(0, &sdr_scc_mgr->update);
r += NUM_RANKS_PER_SHADOW_REG) {
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_READ_DQS;
i++, p++) {
- scc_mgr_set_dq_in_delay(write_group, p, 0);
+ scc_mgr_set_dq_in_delay(p, 0);
scc_mgr_load_dq(p);
}
writel(0, &sdr_scc_mgr->update);
}
/* Reset DQ delay chains to 0 */
- scc_mgr_apply_group_dq_in_delay(write_group, test_bgn, 0);
+ scc_mgr_apply_group_dq_in_delay(test_bgn, 0);
sticky_bit_chk = 0;
for (i = RW_MGR_MEM_DQ_PER_READ_DQS - 1;; i--) {
debug_cond(DLEVEL == 2, "%s:%d vfifo_center: left_edge[%u]: \
debug_cond(DLEVEL == 2, "vfifo_center: after: \
shift_dq[%u]=%d\n", i, shift_dq);
final_dq[i] = temp_dq_in_delay1 + shift_dq;
- scc_mgr_set_dq_in_delay(write_group, p, final_dq[i]);
+ scc_mgr_set_dq_in_delay(p, final_dq[i]);
scc_mgr_load_dq(p);
debug_cond(DLEVEL == 2, "vfifo_center: margin[%u]=[%d,%d]\n", i,
{
uint32_t p, d, rank_bgn, sr;
uint32_t dtaps_per_ptap;
- uint32_t tmp_delay;
uint32_t bit_chk;
uint32_t grp_calibrated;
uint32_t write_group, write_test_bgn;
write_test_bgn = test_bgn;
/* USER Determine number of delay taps for each phase tap */
- dtaps_per_ptap = 0;
- tmp_delay = 0;
- while (tmp_delay < IO_DELAY_PER_OPA_TAP) {
- dtaps_per_ptap++;
- tmp_delay += IO_DELAY_PER_DQS_EN_DCHAIN_TAP;
- }
- dtaps_per_ptap--;
- tmp_delay = 0;
+ dtaps_per_ptap = DIV_ROUND_UP(IO_DELAY_PER_OPA_TAP,
+ IO_DELAY_PER_DQS_EN_DCHAIN_TAP) - 1;
/* update info for sims */
reg_file_set_group(read_group);
* calibrated output side yet.
*/
if (d > 0) {
- scc_mgr_apply_group_all_out_delay_add_all_ranks
- (write_group, write_test_bgn, d);
+ scc_mgr_apply_group_all_out_delay_add_all_ranks(
+ write_group, d);
}
for (p = 0; p <= IO_DQDQS_OUT_PHASE_MAX && grp_calibrated == 0;
* first case).
*/
if (d > 2)
- scc_mgr_zero_group(write_group, write_test_bgn, 1);
+ scc_mgr_zero_group(write_group, 1);
return 1;
}
/* Search for the left edge of the window for each bit */
for (d = 0; d <= IO_IO_OUT1_DELAY_MAX; d++) {
- scc_mgr_apply_group_dq_out1_delay(write_group, test_bgn, d);
+ scc_mgr_apply_group_dq_out1_delay(write_group, d);
writel(0, &sdr_scc_mgr->update);
}
/* Reset DQ delay chains to 0 */
- scc_mgr_apply_group_dq_out1_delay(write_group, test_bgn, 0);
+ scc_mgr_apply_group_dq_out1_delay(0);
sticky_bit_chk = 0;
for (i = RW_MGR_MEM_DQ_PER_WRITE_DQS - 1;; i--) {
debug_cond(DLEVEL == 2, "%s:%d write_center: left_edge[%u]: \
}
debug_cond(DLEVEL == 2, "write_center: after: shift_dq[%u]=%d\n",
i, shift_dq);
- scc_mgr_set_dq_out1_delay(write_group, i, temp_dq_out1_delay +
- shift_dq);
+ scc_mgr_set_dq_out1_delay(i, temp_dq_out1_delay + shift_dq);
scc_mgr_load_dq(i);
debug_cond(DLEVEL == 2, "write_center: margin[%u]=[%d,%d]\n", i,
/* Search for the/part of the window with DM shift */
for (d = IO_IO_OUT1_DELAY_MAX; d >= 0; d -= DELTA_D) {
- scc_mgr_apply_group_dm_out1_delay(write_group, d);
+ scc_mgr_apply_group_dm_out1_delay(d);
writel(0, &sdr_scc_mgr->update);
if (rw_mgr_mem_calibrate_write_test(rank_bgn, write_group, 1,
/* Reset DM delay chains to 0 */
- scc_mgr_apply_group_dm_out1_delay(write_group, 0);
+ scc_mgr_apply_group_dm_out1_delay(0);
/*
* Check to see if the current window nudges up aganist 0 delay.
else
dm_margin = left_edge[0] - mid;
- scc_mgr_apply_group_dm_out1_delay(write_group, mid);
+ scc_mgr_apply_group_dm_out1_delay(mid);
writel(0, &sdr_scc_mgr->update);
debug_cond(DLEVEL == 2, "%s:%d dm_calib: left=%d right=%d mid=%d \
mem_config();
- uint32_t bypass_mode = 0x1;
for (i = 0; i < RW_MGR_MEM_IF_READ_DQS_WIDTH; i++) {
writel(i, SDR_PHYGRP_SCCGRP_ADDRESS |
SCC_MGR_GROUP_COUNTER_OFFSET);
- scc_set_bypass_mode(i, bypass_mode);
+ /* Only needed once to set all groups, pins, DQ, DQS, DM. */
+ if (i == 0)
+ scc_mgr_set_hhp_extras();
+
+ scc_set_bypass_mode(i);
}
if ((dyn_calib_steps & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) {
writel(write_group, SDR_PHYGRP_SCCGRP_ADDRESS |
SCC_MGR_GROUP_COUNTER_OFFSET);
- scc_mgr_zero_group(write_group, write_test_bgn,
- 0);
+ scc_mgr_zero_group(write_group, 0);
for (read_group = write_group *
RW_MGR_MEM_IF_READ_DQS_WIDTH /
writel(0, &sdr_reg_file->debug2);
}
+/**
+ * initialize_hps_phy() - Initialize HPS PHY
+ *
+ * Initialize HPS PHY.
+ */
static void initialize_hps_phy(void)
{
uint32_t reg;