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/*
 * Arm SCP/MCP Software
 * Copyright (c) 2018-2020, Arm Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef DDR_INIT_H
#define DDR_INIT_H

#include "synquacer_mmap.h"

#include <cmsis_os.h>
#include <cmsis_os2.h>

#include <internal/reg_DDRPHY_CONFIG.h>
#include <internal/reg_DMC520.h>

#include <mod_synquacer_system.h>

#include <fwk_log.h>

#include <fmw_cmsis.h>

#include <stdbool.h>
#include <stdint.h>

#define printf(...) FWK_LOG_INFO("[DDR] " __VA_ARGS__)
#define pr_err(...) FWK_LOG_ERR("[DDR] " __VA_ARGS__)

#define dmb __DMB
#define usleep(usec) osDelay((usec / 1000) + 2)

#define REG_DDRPHY_CONFIG_0_BA UINT32_C(0x7F210000)
#define REG_DDRPHY_CONFIG_1_BA UINT32_C(0x7F610000)

#define REG_DMC520_0_BA UINT32_C(0x4E000000)
#define REG_DMC520_1_BA UINT32_C(0x4E100000)
#define REG_DMC520_3_BA UINT32_C(0x4E300000)

#define DDR_TRAINING_ON
#define DDR_WAIT_TIMEOUT_US UINT32_C(1000000)

/**
 * Wait until BUSY_COND becomes false or timeouts.
 * Return from the caller function with ERR_CODE if timeout occurs.
 * Continue execution otherwise.
 *
 * The expression BUSY_COND is evaluated in each repetition.
 */
#define ddr_wait(BUSY_COND, TIMEOUT_US, ERR_CODE)      \
    do {                                               \
        uint32_t tick = osKernelSysTick();             \
        while (BUSY_COND) {                            \
            if (osKernelSysTick() - tick >=            \
                osKernelSysTickMicroSec(TIMEOUT_US)) { \
                return ERR_CODE;                       \
            }                                          \
        }                                              \
    } while (false)

extern int ddr_dual_ch_init_mp(void);
extern int ddr_ch0_init_mp(void);
extern int ddr_ch1_init_mp(void);
extern uint8_t ddr_is_secure_dram_enabled(void);

#endif /*DDR_INIT_H */