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/*
* Copyright (C) Marvell International Ltd. and its affiliates
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include "ddr3_init.h"
static u32 bist_offset = 32;
enum hws_pattern sweep_pattern = PATTERN_KILLER_DQ0;
static int ddr3_tip_bist_operation(u32 dev_num,
enum hws_access_type access_type,
u32 if_id,
enum hws_bist_operation oper_type);
/*
* BIST activate
*/
int ddr3_tip_bist_activate(u32 dev_num, enum hws_pattern pattern,
enum hws_access_type access_type, u32 if_num,
enum hws_dir direction,
enum hws_stress_jump addr_stress_jump,
enum hws_pattern_duration duration,
enum hws_bist_operation oper_type,
u32 offset, u32 cs_num, u32 pattern_addr_length)
{
u32 tx_burst_size;
u32 delay_between_burst;
u32 rd_mode, val;
u32 poll_cnt = 0, max_poll = 1000, i, start_if, end_if;
struct pattern_info *pattern_table = ddr3_tip_get_pattern_table();
u32 read_data[MAX_INTERFACE_NUM];
struct hws_topology_map *tm = ddr3_get_topology_map();
/* ODPG Write enable from BIST */
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_num,
ODPG_DATA_CONTROL_REG, 0x1, 0x1));
/* ODPG Read enable/disable from BIST */
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_num,
ODPG_DATA_CONTROL_REG,
(direction == OPER_READ) ?
0x2 : 0, 0x2));
CHECK_STATUS(ddr3_tip_load_pattern_to_odpg(dev_num, access_type, if_num,
pattern, offset));
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_num,
ODPG_DATA_BUF_SIZE_REG,
pattern_addr_length, MASK_ALL_BITS));
tx_burst_size = (direction == OPER_WRITE) ?
pattern_table[pattern].tx_burst_size : 0;
delay_between_burst = (direction == OPER_WRITE) ? 2 : 0;
rd_mode = (direction == OPER_WRITE) ? 1 : 0;
CHECK_STATUS(ddr3_tip_configure_odpg
(dev_num, access_type, if_num, direction,
pattern_table[pattern].num_of_phases_tx, tx_burst_size,
pattern_table[pattern].num_of_phases_rx,
delay_between_burst,
rd_mode, cs_num, addr_stress_jump, duration));
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_num,
ODPG_PATTERN_ADDR_OFFSET_REG,
offset, MASK_ALL_BITS));
if (oper_type == BIST_STOP) {
CHECK_STATUS(ddr3_tip_bist_operation(dev_num, access_type,
if_num, BIST_STOP));
} else {
CHECK_STATUS(ddr3_tip_bist_operation(dev_num, access_type,
if_num, BIST_START));
if (duration != DURATION_CONT) {
/*
* This pdelay is a WA, becuase polling fives "done"
* also the odpg did nmot finish its task
*/
if (access_type == ACCESS_TYPE_MULTICAST) {
start_if = 0;
end_if = MAX_INTERFACE_NUM - 1;
} else {
start_if = if_num;
end_if = if_num;
}
for (i = start_if; i <= end_if; i++) {
VALIDATE_ACTIVE(tm->
if_act_mask, i);
for (poll_cnt = 0; poll_cnt < max_poll;
poll_cnt++) {
CHECK_STATUS(ddr3_tip_if_read
(dev_num,
ACCESS_TYPE_UNICAST,
if_num, ODPG_BIST_DONE,
read_data,
MASK_ALL_BITS));
val = read_data[i];
if ((val & 0x1) == 0x0) {
/*
* In SOC type devices this bit
* is self clear so, if it was
* cleared all good
*/
break;
}
}
if (poll_cnt >= max_poll) {
DEBUG_TRAINING_BIST_ENGINE
(DEBUG_LEVEL_ERROR,
("Bist poll failure 2\n"));
CHECK_STATUS(ddr3_tip_if_write
(dev_num,
ACCESS_TYPE_UNICAST,
if_num,
ODPG_DATA_CONTROL_REG, 0,
MASK_ALL_BITS));
return MV_FAIL;
}
}
CHECK_STATUS(ddr3_tip_bist_operation
(dev_num, access_type, if_num, BIST_STOP));
}
}
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_num,
ODPG_DATA_CONTROL_REG, 0,
MASK_ALL_BITS));
return MV_OK;
}
/*
* BIST read result
*/
int ddr3_tip_bist_read_result(u32 dev_num, u32 if_id,
struct bist_result *pst_bist_result)
{
int ret;
u32 read_data[MAX_INTERFACE_NUM];
struct hws_topology_map *tm = ddr3_get_topology_map();
if (IS_ACTIVE(tm->if_act_mask, if_id) == 0)
return MV_NOT_SUPPORTED;
DEBUG_TRAINING_BIST_ENGINE(DEBUG_LEVEL_TRACE,
("ddr3_tip_bist_read_result if_id %d\n",
if_id));
ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
ODPG_BIST_FAILED_DATA_HI_REG, read_data,
MASK_ALL_BITS);
if (ret != MV_OK)
return ret;
pst_bist_result->bist_fail_high = read_data[if_id];
ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
ODPG_BIST_FAILED_DATA_LOW_REG, read_data,
MASK_ALL_BITS);
if (ret != MV_OK)
return ret;
pst_bist_result->bist_fail_low = read_data[if_id];
ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
ODPG_BIST_LAST_FAIL_ADDR_REG, read_data,
MASK_ALL_BITS);
if (ret != MV_OK)
return ret;
pst_bist_result->bist_last_fail_addr = read_data[if_id];
ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
ODPG_BIST_DATA_ERROR_COUNTER_REG, read_data,
MASK_ALL_BITS);
if (ret != MV_OK)
return ret;
pst_bist_result->bist_error_cnt = read_data[if_id];
return MV_OK;
}
/*
* BIST flow - Activate & read result
*/
int hws_ddr3_run_bist(u32 dev_num, enum hws_pattern pattern, u32 *result,
u32 cs_num)
{
int ret;
u32 i = 0;
u32 win_base;
struct bist_result st_bist_result;
struct hws_topology_map *tm = ddr3_get_topology_map();
for (i = 0; i < MAX_INTERFACE_NUM; i++) {
VALIDATE_ACTIVE(tm->if_act_mask, i);
hws_ddr3_cs_base_adr_calc(i, cs_num, &win_base);
ret = ddr3_tip_bist_activate(dev_num, pattern,
ACCESS_TYPE_UNICAST,
i, OPER_WRITE, STRESS_NONE,
DURATION_SINGLE, BIST_START,
bist_offset + win_base,
cs_num, 15);
if (ret != MV_OK) {
printf("ddr3_tip_bist_activate failed (0x%x)\n", ret);
return ret;
}
ret = ddr3_tip_bist_activate(dev_num, pattern,
ACCESS_TYPE_UNICAST,
i, OPER_READ, STRESS_NONE,
DURATION_SINGLE, BIST_START,
bist_offset + win_base,
cs_num, 15);
if (ret != MV_OK) {
printf("ddr3_tip_bist_activate failed (0x%x)\n", ret);
return ret;
}
ret = ddr3_tip_bist_read_result(dev_num, i, &st_bist_result);
if (ret != MV_OK) {
printf("ddr3_tip_bist_read_result failed\n");
return ret;
}
result[i] = st_bist_result.bist_error_cnt;
}
return MV_OK;
}
/*
* Set BIST Operation
*/
static int ddr3_tip_bist_operation(u32 dev_num,
enum hws_access_type access_type,
u32 if_id, enum hws_bist_operation oper_type)
{
if (oper_type == BIST_STOP) {
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_id,
ODPG_BIST_DONE, 1 << 8, 1 << 8));
} else {
CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_id,
ODPG_BIST_DONE, 1, 1));
}
return MV_OK;
}
/*
* Print BIST result
*/
void ddr3_tip_print_bist_res(void)
{
u32 dev_num = 0;
u32 i;
struct bist_result st_bist_result[MAX_INTERFACE_NUM];
int res;
struct hws_topology_map *tm = ddr3_get_topology_map();
for (i = 0; i < MAX_INTERFACE_NUM; i++) {
if (IS_ACTIVE(tm->if_act_mask, i) == 0)
continue;
res = ddr3_tip_bist_read_result(dev_num, i, &st_bist_result[i]);
if (res != MV_OK) {
DEBUG_TRAINING_BIST_ENGINE(
DEBUG_LEVEL_ERROR,
("ddr3_tip_bist_read_result failed\n"));
return;
}
}
DEBUG_TRAINING_BIST_ENGINE(
DEBUG_LEVEL_INFO,
("interface | error_cnt | fail_low | fail_high | fail_addr\n"));
for (i = 0; i < MAX_INTERFACE_NUM; i++) {
if (IS_ACTIVE(tm->if_act_mask, i) ==
0)
continue;
DEBUG_TRAINING_BIST_ENGINE(
DEBUG_LEVEL_INFO,
("%d | 0x%08x | 0x%08x | 0x%08x | 0x%08x\n",
i, st_bist_result[i].bist_error_cnt,
st_bist_result[i].bist_fail_low,
st_bist_result[i].bist_fail_high,
st_bist_result[i].bist_last_fail_addr));
}
}
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