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/*
* Copyright (C) Marvell International Ltd. and its affiliates
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <i2c.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include "ddr3_init.h"
#define REG_READ_DATA_SAMPLE_DELAYS_ADDR 0x1538
#define REG_READ_DATA_SAMPLE_DELAYS_MASK 0x1f
#define REG_READ_DATA_SAMPLE_DELAYS_OFFS 8
#define REG_READ_DATA_READY_DELAYS_ADDR 0x153c
#define REG_READ_DATA_READY_DELAYS_MASK 0x1f
#define REG_READ_DATA_READY_DELAYS_OFFS 8
int ddr3_if_ecc_enabled(void)
{
struct hws_topology_map *tm = ddr3_get_topology_map();
if (DDR3_IS_ECC_PUP4_MODE(tm->bus_act_mask) ||
DDR3_IS_ECC_PUP3_MODE(tm->bus_act_mask))
return 1;
else
return 0;
}
int ddr3_pre_algo_config(void)
{
struct hws_topology_map *tm = ddr3_get_topology_map();
/* Set Bus3 ECC training mode */
if (DDR3_IS_ECC_PUP3_MODE(tm->bus_act_mask)) {
/* Set Bus3 ECC MUX */
CHECK_STATUS(ddr3_tip_if_write
(0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
REG_SDRAM_PINS_MUX, 0x100, 0x100));
}
/* Set regular ECC training mode (bus4 and bus 3) */
if ((DDR3_IS_ECC_PUP4_MODE(tm->bus_act_mask)) ||
(DDR3_IS_ECC_PUP3_MODE(tm->bus_act_mask))) {
/* Enable ECC Write MUX */
CHECK_STATUS(ddr3_tip_if_write
(0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
TRAINING_SW_2_REG, 0x100, 0x100));
/* General ECC enable */
CHECK_STATUS(ddr3_tip_if_write
(0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
REG_SDRAM_CONFIG_ADDR, 0x40000, 0x40000));
/* Disable Read Data ECC MUX */
CHECK_STATUS(ddr3_tip_if_write
(0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
TRAINING_SW_2_REG, 0x0, 0x2));
}
return MV_OK;
}
int ddr3_post_algo_config(void)
{
struct hws_topology_map *tm = ddr3_get_topology_map();
int status;
status = ddr3_post_run_alg();
if (MV_OK != status) {
printf("DDR3 Post Run Alg - FAILED 0x%x\n", status);
return status;
}
/* Un_set ECC training mode */
if ((DDR3_IS_ECC_PUP4_MODE(tm->bus_act_mask)) ||
(DDR3_IS_ECC_PUP3_MODE(tm->bus_act_mask))) {
/* Disable ECC Write MUX */
CHECK_STATUS(ddr3_tip_if_write
(0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
TRAINING_SW_2_REG, 0x0, 0x100));
/* General ECC and Bus3 ECC MUX remains enabled */
}
return MV_OK;
}
int ddr3_hws_hw_training(void)
{
enum hws_algo_type algo_mode = ALGO_TYPE_DYNAMIC;
int status;
struct init_cntr_param init_param;
status = ddr3_silicon_pre_init();
if (MV_OK != status) {
printf("DDR3 Pre silicon Config - FAILED 0x%x\n", status);
return status;
}
init_param.do_mrs_phy = 1;
#if defined(CONFIG_ARMADA_38X) || defined(CONFIG_ARMADA_39X)
init_param.is_ctrl64_bit = 0;
#else
init_param.is_ctrl64_bit = 1;
#endif
#if defined(CONFIG_ALLEYCAT3) || defined(CONFIG_ARMADA_38X) || \
defined(CONFIG_ARMADA_39X)
init_param.init_phy = 1;
#else
init_param.init_phy = 0;
#endif
init_param.msys_init = 1;
status = hws_ddr3_tip_init_controller(0, &init_param);
if (MV_OK != status) {
printf("DDR3 init controller - FAILED 0x%x\n", status);
return status;
}
status = ddr3_silicon_post_init();
if (MV_OK != status) {
printf("DDR3 Post Init - FAILED 0x%x\n", status);
return status;
}
status = ddr3_pre_algo_config();
if (MV_OK != status) {
printf("DDR3 Pre Algo Config - FAILED 0x%x\n", status);
return status;
}
/* run algorithm in order to configure the PHY */
status = hws_ddr3_tip_run_alg(0, algo_mode);
if (MV_OK != status) {
printf("DDR3 run algorithm - FAILED 0x%x\n", status);
return status;
}
status = ddr3_post_algo_config();
if (MV_OK != status) {
printf("DDR3 Post Algo Config - FAILED 0x%x\n", status);
return status;
}
return MV_OK;
}
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