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Diffstat (limited to 'drivers/ddr/marvell/a38x/ddr3_training_centralization.c')
-rw-r--r--drivers/ddr/marvell/a38x/ddr3_training_centralization.c714
1 files changed, 714 insertions, 0 deletions
diff --git a/drivers/ddr/marvell/a38x/ddr3_training_centralization.c b/drivers/ddr/marvell/a38x/ddr3_training_centralization.c
new file mode 100644
index 0000000000..9d216da96d
--- /dev/null
+++ b/drivers/ddr/marvell/a38x/ddr3_training_centralization.c
@@ -0,0 +1,714 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+#include "ddr3_init.h"
+
+#define VALIDATE_WIN_LENGTH(e1, e2, maxsize) \
+ (((e2) + 1 > (e1) + (u8)MIN_WINDOW_SIZE) && \
+ ((e2) + 1 < (e1) + (u8)maxsize))
+#define IS_WINDOW_OUT_BOUNDARY(e1, e2, maxsize) \
+ (((e1) == 0 && (e2) != 0) || \
+ ((e1) != (maxsize - 1) && (e2) == (maxsize - 1)))
+#define CENTRAL_TX 0
+#define CENTRAL_RX 1
+#define NUM_OF_CENTRAL_TYPES 2
+
+u32 start_pattern = PATTERN_KILLER_DQ0, end_pattern = PATTERN_KILLER_DQ7;
+u32 start_if = 0, end_if = (MAX_INTERFACE_NUM - 1);
+u8 bus_end_window[NUM_OF_CENTRAL_TYPES][MAX_INTERFACE_NUM][MAX_BUS_NUM];
+u8 bus_start_window[NUM_OF_CENTRAL_TYPES][MAX_INTERFACE_NUM][MAX_BUS_NUM];
+u8 centralization_state[MAX_INTERFACE_NUM][MAX_BUS_NUM];
+static u8 ddr3_tip_special_rx_run_once_flag;
+
+static int ddr3_tip_centralization(u32 dev_num, u32 mode);
+
+/*
+ * Centralization RX Flow
+ */
+int ddr3_tip_centralization_rx(u32 dev_num)
+{
+ CHECK_STATUS(ddr3_tip_special_rx(dev_num));
+ CHECK_STATUS(ddr3_tip_centralization(dev_num, CENTRAL_RX));
+
+ return MV_OK;
+}
+
+/*
+ * Centralization TX Flow
+ */
+int ddr3_tip_centralization_tx(u32 dev_num)
+{
+ CHECK_STATUS(ddr3_tip_centralization(dev_num, CENTRAL_TX));
+
+ return MV_OK;
+}
+
+/*
+ * Centralization Flow
+ */
+static int ddr3_tip_centralization(u32 dev_num, u32 mode)
+{
+ enum hws_training_ip_stat training_result[MAX_INTERFACE_NUM];
+ u32 if_id, pattern_id, bit_id;
+ u8 bus_id;
+ u8 cur_start_win[BUS_WIDTH_IN_BITS];
+ u8 centralization_result[MAX_INTERFACE_NUM][BUS_WIDTH_IN_BITS];
+ u8 cur_end_win[BUS_WIDTH_IN_BITS];
+ u8 current_window[BUS_WIDTH_IN_BITS];
+ u8 opt_window, waste_window, start_window_skew, end_window_skew;
+ u8 final_pup_window[MAX_INTERFACE_NUM][BUS_WIDTH_IN_BITS];
+ struct hws_topology_map *tm = ddr3_get_topology_map();
+ enum hws_training_result result_type = RESULT_PER_BIT;
+ enum hws_dir direction;
+ u32 *result[HWS_SEARCH_DIR_LIMIT];
+ u32 reg_phy_off, reg;
+ u8 max_win_size;
+ int lock_success = 1;
+ u8 cur_end_win_min, cur_start_win_max;
+ u32 cs_enable_reg_val[MAX_INTERFACE_NUM];
+ int is_if_fail = 0;
+ enum hws_result *flow_result = ddr3_tip_get_result_ptr(training_stage);
+ u32 pup_win_length = 0;
+ enum hws_search_dir search_dir_id;
+ u8 cons_tap = (mode == CENTRAL_TX) ? (64) : (0);
+
+ for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) {
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ /* save current cs enable reg val */
+ CHECK_STATUS(ddr3_tip_if_read
+ (dev_num, ACCESS_TYPE_UNICAST, if_id,
+ CS_ENABLE_REG, cs_enable_reg_val, MASK_ALL_BITS));
+ /* enable single cs */
+ CHECK_STATUS(ddr3_tip_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id,
+ CS_ENABLE_REG, (1 << 3), (1 << 3)));
+ }
+
+ if (mode == CENTRAL_TX) {
+ max_win_size = MAX_WINDOW_SIZE_TX;
+ reg_phy_off = WRITE_CENTRALIZATION_PHY_REG + (effective_cs * 4);
+ direction = OPER_WRITE;
+ } else {
+ max_win_size = MAX_WINDOW_SIZE_RX;
+ reg_phy_off = READ_CENTRALIZATION_PHY_REG + (effective_cs * 4);
+ direction = OPER_READ;
+ }
+
+ /* DB initialization */
+ for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) {
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ for (bus_id = 0;
+ bus_id < tm->num_of_bus_per_interface; bus_id++) {
+ VALIDATE_ACTIVE(tm->bus_act_mask, bus_id);
+ centralization_state[if_id][bus_id] = 0;
+ bus_end_window[mode][if_id][bus_id] =
+ (max_win_size - 1) + cons_tap;
+ bus_start_window[mode][if_id][bus_id] = 0;
+ centralization_result[if_id][bus_id] = 0;
+ }
+ }
+
+ /* start flow */
+ for (pattern_id = start_pattern; pattern_id <= end_pattern;
+ pattern_id++) {
+ ddr3_tip_ip_training_wrapper(dev_num, ACCESS_TYPE_MULTICAST,
+ PARAM_NOT_CARE,
+ ACCESS_TYPE_MULTICAST,
+ PARAM_NOT_CARE, result_type,
+ HWS_CONTROL_ELEMENT_ADLL,
+ PARAM_NOT_CARE, direction,
+ tm->
+ if_act_mask, 0x0,
+ max_win_size - 1,
+ max_win_size - 1,
+ pattern_id, EDGE_FPF, CS_SINGLE,
+ PARAM_NOT_CARE, training_result);
+
+ for (if_id = start_if; if_id <= end_if; if_id++) {
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ for (bus_id = 0;
+ bus_id <= tm->num_of_bus_per_interface - 1;
+ bus_id++) {
+ VALIDATE_ACTIVE(tm->bus_act_mask, bus_id);
+
+ for (search_dir_id = HWS_LOW2HIGH;
+ search_dir_id <= HWS_HIGH2LOW;
+ search_dir_id++) {
+ CHECK_STATUS
+ (ddr3_tip_read_training_result
+ (dev_num, if_id,
+ ACCESS_TYPE_UNICAST, bus_id,
+ ALL_BITS_PER_PUP,
+ search_dir_id,
+ direction, result_type,
+ TRAINING_LOAD_OPERATION_UNLOAD,
+ CS_SINGLE,
+ &result[search_dir_id],
+ 1, 0, 0));
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_INFO,
+ ("%s pat %d IF %d pup %d Regs: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+ ((mode ==
+ CENTRAL_TX) ? "TX" : "RX"),
+ pattern_id, if_id, bus_id,
+ result[search_dir_id][0],
+ result[search_dir_id][1],
+ result[search_dir_id][2],
+ result[search_dir_id][3],
+ result[search_dir_id][4],
+ result[search_dir_id][5],
+ result[search_dir_id][6],
+ result[search_dir_id][7]));
+ }
+
+ for (bit_id = 0; bit_id < BUS_WIDTH_IN_BITS;
+ bit_id++) {
+ /* check if this code is valid for 2 edge, probably not :( */
+ cur_start_win[bit_id] =
+ GET_TAP_RESULT(result
+ [HWS_LOW2HIGH]
+ [bit_id],
+ EDGE_1);
+ cur_end_win[bit_id] =
+ GET_TAP_RESULT(result
+ [HWS_HIGH2LOW]
+ [bit_id],
+ EDGE_1);
+ /* window length */
+ current_window[bit_id] =
+ cur_end_win[bit_id] -
+ cur_start_win[bit_id] + 1;
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_TRACE,
+ ("cs %x patern %d IF %d pup %d cur_start_win %d cur_end_win %d current_window %d\n",
+ effective_cs, pattern_id,
+ if_id, bus_id,
+ cur_start_win[bit_id],
+ cur_end_win[bit_id],
+ current_window[bit_id]));
+ }
+
+ if ((ddr3_tip_is_pup_lock
+ (result[HWS_LOW2HIGH], result_type)) &&
+ (ddr3_tip_is_pup_lock
+ (result[HWS_HIGH2LOW], result_type))) {
+ /* read result success */
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_INFO,
+ ("Pup locked, pat %d IF %d pup %d\n",
+ pattern_id, if_id, bus_id));
+ } else {
+ /* read result failure */
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_INFO,
+ ("fail Lock, pat %d IF %d pup %d\n",
+ pattern_id, if_id, bus_id));
+ if (centralization_state[if_id][bus_id]
+ == 1) {
+ /* continue with next pup */
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_TRACE,
+ ("continue to next pup %d %d\n",
+ if_id, bus_id));
+ continue;
+ }
+
+ for (bit_id = 0;
+ bit_id < BUS_WIDTH_IN_BITS;
+ bit_id++) {
+ /*
+ * the next check is relevant
+ * only when using search
+ * machine 2 edges
+ */
+ if (cur_start_win[bit_id] > 0 &&
+ cur_end_win[bit_id] == 0) {
+ cur_end_win
+ [bit_id] =
+ max_win_size - 1;
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_TRACE,
+ ("fail, IF %d pup %d bit %d fail #1\n",
+ if_id, bus_id,
+ bit_id));
+ /* the next bit */
+ continue;
+ } else {
+ centralization_state
+ [if_id][bus_id] = 1;
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_TRACE,
+ ("fail, IF %d pup %d bit %d fail #2\n",
+ if_id, bus_id,
+ bit_id));
+ }
+ }
+
+ if (centralization_state[if_id][bus_id]
+ == 1) {
+ /* going to next pup */
+ continue;
+ }
+ } /*bit */
+
+ opt_window =
+ ddr3_tip_get_buf_min(current_window);
+ /* final pup window length */
+ final_pup_window[if_id][bus_id] =
+ ddr3_tip_get_buf_min(cur_end_win) -
+ ddr3_tip_get_buf_max(cur_start_win) +
+ 1;
+ waste_window =
+ opt_window -
+ final_pup_window[if_id][bus_id];
+ start_window_skew =
+ ddr3_tip_get_buf_max(cur_start_win) -
+ ddr3_tip_get_buf_min(
+ cur_start_win);
+ end_window_skew =
+ ddr3_tip_get_buf_max(
+ cur_end_win) -
+ ddr3_tip_get_buf_min(
+ cur_end_win);
+ /* min/max updated with pattern change */
+ cur_end_win_min =
+ ddr3_tip_get_buf_min(
+ cur_end_win);
+ cur_start_win_max =
+ ddr3_tip_get_buf_max(
+ cur_start_win);
+ bus_end_window[mode][if_id][bus_id] =
+ GET_MIN(bus_end_window[mode][if_id]
+ [bus_id],
+ cur_end_win_min);
+ bus_start_window[mode][if_id][bus_id] =
+ GET_MAX(bus_start_window[mode][if_id]
+ [bus_id],
+ cur_start_win_max);
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_INFO,
+ ("pat %d IF %d pup %d opt_win %d final_win %d waste_win %d st_win_skew %d end_win_skew %d cur_st_win_max %d cur_end_win_min %d bus_st_win %d bus_end_win %d\n",
+ pattern_id, if_id, bus_id, opt_window,
+ final_pup_window[if_id][bus_id],
+ waste_window, start_window_skew,
+ end_window_skew,
+ cur_start_win_max,
+ cur_end_win_min,
+ bus_start_window[mode][if_id][bus_id],
+ bus_end_window[mode][if_id][bus_id]));
+
+ /* check if window is valid */
+ if (ddr3_tip_centr_skip_min_win_check == 0) {
+ if ((VALIDATE_WIN_LENGTH
+ (bus_start_window[mode][if_id]
+ [bus_id],
+ bus_end_window[mode][if_id]
+ [bus_id],
+ max_win_size) == 1) ||
+ (IS_WINDOW_OUT_BOUNDARY
+ (bus_start_window[mode][if_id]
+ [bus_id],
+ bus_end_window[mode][if_id]
+ [bus_id],
+ max_win_size) == 1)) {
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_INFO,
+ ("win valid, pat %d IF %d pup %d\n",
+ pattern_id, if_id,
+ bus_id));
+ /* window is valid */
+ } else {
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_INFO,
+ ("fail win, pat %d IF %d pup %d bus_st_win %d bus_end_win %d\n",
+ pattern_id, if_id, bus_id,
+ bus_start_window[mode]
+ [if_id][bus_id],
+ bus_end_window[mode]
+ [if_id][bus_id]));
+ centralization_state[if_id]
+ [bus_id] = 1;
+ if (debug_mode == 0)
+ return MV_FAIL;
+ }
+ } /* ddr3_tip_centr_skip_min_win_check */
+ } /* pup */
+ } /* interface */
+ } /* pattern */
+
+ for (if_id = start_if; if_id <= end_if; if_id++) {
+ if (IS_ACTIVE(tm->if_act_mask, if_id) == 0)
+ continue;
+
+ is_if_fail = 0;
+ flow_result[if_id] = TEST_SUCCESS;
+
+ for (bus_id = 0;
+ bus_id <= (tm->num_of_bus_per_interface - 1); bus_id++) {
+ VALIDATE_ACTIVE(tm->bus_act_mask, bus_id);
+
+ /* continue only if lock */
+ if (centralization_state[if_id][bus_id] != 1) {
+ if (ddr3_tip_centr_skip_min_win_check == 0) {
+ if ((bus_end_window
+ [mode][if_id][bus_id] ==
+ (max_win_size - 1)) &&
+ ((bus_end_window
+ [mode][if_id][bus_id] -
+ bus_start_window[mode][if_id]
+ [bus_id]) < MIN_WINDOW_SIZE) &&
+ ((bus_end_window[mode][if_id]
+ [bus_id] - bus_start_window
+ [mode][if_id][bus_id]) > 2)) {
+ /* prevent false lock */
+ /* TBD change to enum */
+ centralization_state
+ [if_id][bus_id] = 2;
+ }
+
+ if ((bus_end_window[mode][if_id][bus_id]
+ == 0) &&
+ ((bus_end_window[mode][if_id]
+ [bus_id] -
+ bus_start_window[mode][if_id]
+ [bus_id]) < MIN_WINDOW_SIZE) &&
+ ((bus_end_window[mode][if_id]
+ [bus_id] -
+ bus_start_window[mode][if_id]
+ [bus_id]) > 2))
+ /*prevent false lock */
+ centralization_state[if_id]
+ [bus_id] = 3;
+ }
+
+ if ((bus_end_window[mode][if_id][bus_id] >
+ (max_win_size - 1)) && direction ==
+ OPER_WRITE) {
+ DEBUG_CENTRALIZATION_ENGINE
+ (DEBUG_LEVEL_INFO,
+ ("Tx special pattern\n"));
+ cons_tap = 64;
+ }
+ }
+
+ /* check states */
+ if (centralization_state[if_id][bus_id] == 3) {
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_INFO,
+ ("SSW - TBD IF %d pup %d\n",
+ if_id, bus_id));
+ lock_success = 1;
+ } else if (centralization_state[if_id][bus_id] == 2) {
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_INFO,
+ ("SEW - TBD IF %d pup %d\n",
+ if_id, bus_id));
+ lock_success = 1;
+ } else if (centralization_state[if_id][bus_id] == 0) {
+ lock_success = 1;
+ } else {
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_ERROR,
+ ("fail, IF %d pup %d\n",
+ if_id, bus_id));
+ lock_success = 0;
+ }
+
+ if (lock_success == 1) {
+ centralization_result[if_id][bus_id] =
+ (bus_end_window[mode][if_id][bus_id] +
+ bus_start_window[mode][if_id][bus_id])
+ / 2 - cons_tap;
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_TRACE,
+ (" bus_id %d Res= %d\n", bus_id,
+ centralization_result[if_id][bus_id]));
+ /* copy results to registers */
+ pup_win_length =
+ bus_end_window[mode][if_id][bus_id] -
+ bus_start_window[mode][if_id][bus_id] +
+ 1;
+
+ ddr3_tip_bus_read(dev_num, if_id,
+ ACCESS_TYPE_UNICAST, bus_id,
+ DDR_PHY_DATA,
+ RESULT_DB_PHY_REG_ADDR +
+ effective_cs, &reg);
+ reg = (reg & (~0x1f <<
+ ((mode == CENTRAL_TX) ?
+ (RESULT_DB_PHY_REG_TX_OFFSET) :
+ (RESULT_DB_PHY_REG_RX_OFFSET))))
+ | pup_win_length <<
+ ((mode == CENTRAL_TX) ?
+ (RESULT_DB_PHY_REG_TX_OFFSET) :
+ (RESULT_DB_PHY_REG_RX_OFFSET));
+ CHECK_STATUS(ddr3_tip_bus_write
+ (dev_num, ACCESS_TYPE_UNICAST,
+ if_id, ACCESS_TYPE_UNICAST,
+ bus_id, DDR_PHY_DATA,
+ RESULT_DB_PHY_REG_ADDR +
+ effective_cs, reg));
+
+ /* offset per CS is calculated earlier */
+ CHECK_STATUS(
+ ddr3_tip_bus_write(dev_num,
+ ACCESS_TYPE_UNICAST,
+ if_id,
+ ACCESS_TYPE_UNICAST,
+ bus_id,
+ DDR_PHY_DATA,
+ reg_phy_off,
+ centralization_result
+ [if_id]
+ [bus_id]));
+ } else {
+ is_if_fail = 1;
+ }
+ }
+
+ if (is_if_fail == 1)
+ flow_result[if_id] = TEST_FAILED;
+ }
+
+ for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) {
+ /* restore cs enable value */
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ CHECK_STATUS(ddr3_tip_if_write(dev_num, ACCESS_TYPE_UNICAST,
+ if_id, CS_ENABLE_REG,
+ cs_enable_reg_val[if_id],
+ MASK_ALL_BITS));
+ }
+
+ return is_if_fail;
+}
+
+/*
+ * Centralization Flow
+ */
+int ddr3_tip_special_rx(u32 dev_num)
+{
+ enum hws_training_ip_stat training_result[MAX_INTERFACE_NUM];
+ u32 if_id, pup_id, pattern_id, bit_id;
+ u8 cur_start_win[BUS_WIDTH_IN_BITS];
+ u8 cur_end_win[BUS_WIDTH_IN_BITS];
+ enum hws_training_result result_type = RESULT_PER_BIT;
+ enum hws_dir direction;
+ enum hws_search_dir search_dir_id;
+ u32 *result[HWS_SEARCH_DIR_LIMIT];
+ u32 max_win_size;
+ u8 cur_end_win_min, cur_start_win_max;
+ u32 cs_enable_reg_val[MAX_INTERFACE_NUM];
+ u32 temp = 0;
+ int pad_num = 0;
+ struct hws_topology_map *tm = ddr3_get_topology_map();
+
+ if (ddr3_tip_special_rx_run_once_flag != 0)
+ return MV_OK;
+
+ ddr3_tip_special_rx_run_once_flag = 1;
+
+ for (if_id = 0; if_id < MAX_INTERFACE_NUM; if_id++) {
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ /* save current cs enable reg val */
+ CHECK_STATUS(ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST,
+ if_id, CS_ENABLE_REG,
+ cs_enable_reg_val,
+ MASK_ALL_BITS));
+ /* enable single cs */
+ CHECK_STATUS(ddr3_tip_if_write(dev_num, ACCESS_TYPE_UNICAST,
+ if_id, CS_ENABLE_REG,
+ (1 << 3), (1 << 3)));
+ }
+
+ max_win_size = MAX_WINDOW_SIZE_RX;
+ direction = OPER_READ;
+ pattern_id = PATTERN_VREF;
+
+ /* start flow */
+ ddr3_tip_ip_training_wrapper(dev_num, ACCESS_TYPE_MULTICAST,
+ PARAM_NOT_CARE, ACCESS_TYPE_MULTICAST,
+ PARAM_NOT_CARE, result_type,
+ HWS_CONTROL_ELEMENT_ADLL,
+ PARAM_NOT_CARE, direction,
+ tm->if_act_mask, 0x0,
+ max_win_size - 1, max_win_size - 1,
+ pattern_id, EDGE_FPF, CS_SINGLE,
+ PARAM_NOT_CARE, training_result);
+
+ for (if_id = start_if; if_id <= end_if; if_id++) {
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ for (pup_id = 0;
+ pup_id <= tm->num_of_bus_per_interface; pup_id++) {
+ VALIDATE_ACTIVE(tm->bus_act_mask, pup_id);
+
+ for (search_dir_id = HWS_LOW2HIGH;
+ search_dir_id <= HWS_HIGH2LOW;
+ search_dir_id++) {
+ CHECK_STATUS(ddr3_tip_read_training_result
+ (dev_num, if_id,
+ ACCESS_TYPE_UNICAST, pup_id,
+ ALL_BITS_PER_PUP, search_dir_id,
+ direction, result_type,
+ TRAINING_LOAD_OPERATION_UNLOAD,
+ CS_SINGLE, &result[search_dir_id],
+ 1, 0, 0));
+ DEBUG_CENTRALIZATION_ENGINE(DEBUG_LEVEL_INFO,
+ ("Special: pat %d IF %d pup %d Regs: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+ pattern_id, if_id,
+ pup_id,
+ result
+ [search_dir_id][0],
+ result
+ [search_dir_id][1],
+ result
+ [search_dir_id][2],
+ result
+ [search_dir_id][3],
+ result
+ [search_dir_id][4],
+ result
+ [search_dir_id][5],
+ result
+ [search_dir_id][6],
+ result
+ [search_dir_id]
+ [7]));
+ }
+
+ for (bit_id = 0; bit_id < BUS_WIDTH_IN_BITS; bit_id++) {
+ /*
+ * check if this code is valid for 2 edge,
+ * probably not :(
+ */
+ cur_start_win[bit_id] =
+ GET_TAP_RESULT(result[HWS_LOW2HIGH]
+ [bit_id], EDGE_1);
+ cur_end_win[bit_id] =
+ GET_TAP_RESULT(result[HWS_HIGH2LOW]
+ [bit_id], EDGE_1);
+ }
+ if (!((ddr3_tip_is_pup_lock
+ (result[HWS_LOW2HIGH], result_type)) &&
+ (ddr3_tip_is_pup_lock
+ (result[HWS_HIGH2LOW], result_type)))) {
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_ERROR,
+ ("Special: Pup lock fail, pat %d IF %d pup %d\n",
+ pattern_id, if_id, pup_id));
+ return MV_FAIL;
+ }
+
+ cur_end_win_min =
+ ddr3_tip_get_buf_min(cur_end_win);
+ cur_start_win_max =
+ ddr3_tip_get_buf_max(cur_start_win);
+
+ if (cur_start_win_max <= 1) { /* Align left */
+ for (bit_id = 0; bit_id < BUS_WIDTH_IN_BITS;
+ bit_id++) {
+ pad_num =
+ dq_map_table[bit_id +
+ pup_id *
+ BUS_WIDTH_IN_BITS +
+ if_id *
+ BUS_WIDTH_IN_BITS *
+ tm->
+ num_of_bus_per_interface];
+ CHECK_STATUS(ddr3_tip_bus_read
+ (dev_num, if_id,
+ ACCESS_TYPE_UNICAST,
+ pup_id, DDR_PHY_DATA,
+ PBS_RX_PHY_REG + pad_num,
+ &temp));
+ temp = (temp + 0xa > 31) ?
+ (31) : (temp + 0xa);
+ CHECK_STATUS(ddr3_tip_bus_write
+ (dev_num,
+ ACCESS_TYPE_UNICAST,
+ if_id,
+ ACCESS_TYPE_UNICAST,
+ pup_id, DDR_PHY_DATA,
+ PBS_RX_PHY_REG + pad_num,
+ temp));
+ }
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_INFO,
+ ("Special: PBS:: I/F# %d , Bus# %d fix align to the Left\n",
+ if_id, pup_id));
+ }
+
+ if (cur_end_win_min > 30) { /* Align right */
+ CHECK_STATUS(ddr3_tip_bus_read
+ (dev_num, if_id,
+ ACCESS_TYPE_UNICAST, pup_id,
+ DDR_PHY_DATA, PBS_RX_PHY_REG + 4,
+ &temp));
+ temp += 0xa;
+ CHECK_STATUS(ddr3_tip_bus_write
+ (dev_num, ACCESS_TYPE_UNICAST,
+ if_id, ACCESS_TYPE_UNICAST,
+ pup_id, DDR_PHY_DATA,
+ PBS_RX_PHY_REG + 4, temp));
+ CHECK_STATUS(ddr3_tip_bus_read
+ (dev_num, if_id,
+ ACCESS_TYPE_UNICAST, pup_id,
+ DDR_PHY_DATA, PBS_RX_PHY_REG + 5,
+ &temp));
+ temp += 0xa;
+ CHECK_STATUS(ddr3_tip_bus_write
+ (dev_num, ACCESS_TYPE_UNICAST,
+ if_id, ACCESS_TYPE_UNICAST,
+ pup_id, DDR_PHY_DATA,
+ PBS_RX_PHY_REG + 5, temp));
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_INFO,
+ ("Special: PBS:: I/F# %d , Bus# %d fix align to the right\n",
+ if_id, pup_id));
+ }
+
+ vref_window_size[if_id][pup_id] =
+ cur_end_win_min -
+ cur_start_win_max + 1;
+ DEBUG_CENTRALIZATION_ENGINE(
+ DEBUG_LEVEL_INFO,
+ ("Special: Winsize I/F# %d , Bus# %d is %d\n",
+ if_id, pup_id, vref_window_size
+ [if_id][pup_id]));
+ } /* pup */
+ } /* end of interface */
+
+ return MV_OK;
+}
+
+/*
+ * Print Centralization Result
+ */
+int ddr3_tip_print_centralization_result(u32 dev_num)
+{
+ u32 if_id = 0, bus_id = 0;
+ struct hws_topology_map *tm = ddr3_get_topology_map();
+
+ dev_num = dev_num;
+
+ printf("Centralization Results\n");
+ printf("I/F0 Result[0 - success 1-fail 2 - state_2 3 - state_3] ...\n");
+ for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) {
+ VALIDATE_ACTIVE(tm->if_act_mask, if_id);
+ for (bus_id = 0; bus_id < tm->num_of_bus_per_interface;
+ bus_id++) {
+ VALIDATE_ACTIVE(tm->bus_act_mask, bus_id);
+ printf("%d ,\n", centralization_state[if_id][bus_id]);
+ }
+ }
+
+ return MV_OK;
+}