AM64x MCU+ SDK  10.00.00

Introduction

This module contains APIs to program and use the DDR module. See DDR for more details.

Files

file  ddr/v0/ddr.h
 This file contains DDR APIs.
 

Data Structures

struct  DDR_EccRegion
 DDR Inline ECC region The structure specifies the DDR inline ECC region start and End address. More...
 
struct  DDR_Params
 DDR config structure. More...
 
struct  DDR_ECCErrorInfo
 Emif ECC Error Information structure. More...
 

Functions

void DDR_Params_init (DDR_Params *prms)
 Set default values to DDR_Params. More...
 
int32_t DDR_init (DDR_Params *prms)
 DDR4 Initialization function. More...
 
void DDR_enableInlineECC (uint8_t enableFlag)
 Enable/Disable DDR inline ECC. More...
 
int32_t DDR_clearECCError (uint8_t errorType)
 Clear ECC errors for DDR. More...
 
int32_t DDR_getECCErrorInfo (DDR_ECCErrorInfo *ECCErrorInfo)
 Get ECC error status. More...
 

DDR ECC error type

#define DDR_ECC_1B_ERROR   (0U)
 
#define DDR_ECC_2B_ERROR   (1U)
 
#define DDR_ECC_ERR_ALL   (2U)
 

Macro Definition Documentation

◆ DDR_ECC_1B_ERROR

#define DDR_ECC_1B_ERROR   (0U)

◆ DDR_ECC_2B_ERROR

#define DDR_ECC_2B_ERROR   (1U)

◆ DDR_ECC_ERR_ALL

#define DDR_ECC_ERR_ALL   (2U)

Function Documentation

◆ DDR_Params_init()

void DDR_Params_init ( DDR_Params prms)

Set default values to DDR_Params.

Parameters
prms[out] Pointer to DDR configuration.

◆ DDR_init()

int32_t DDR_init ( DDR_Params prms)

DDR4 Initialization function.

       Initializes the DDR timing parameters. Sets the DDR timing parameters
       based in the DDR PLL controller configuration.
       Any changes to DDR PLL requires change to DDR timing.
Parameters
prms[in] Pointer to DDR configuration.
Returns
status SystemP_SUCCESS in case of success or appropriate error code

◆ DDR_enableInlineECC()

void DDR_enableInlineECC ( uint8_t  enableFlag)

Enable/Disable DDR inline ECC.

Parameters
enableFlag[in] Flag to enable or disable DDR Inline ECC

◆ DDR_clearECCError()

int32_t DDR_clearECCError ( uint8_t  errorType)

Clear ECC errors for DDR.

Parameters
errorType[in] DDR ECC error type (single bit/two bit ECC)
Returns
status SystemP_SUCCESS in case of success or appropriate error code

◆ DDR_getECCErrorInfo()

int32_t DDR_getECCErrorInfo ( DDR_ECCErrorInfo ECCErrorInfo)

Get ECC error status.

Parameters
ECCErrorInfo[out] Get DDR ECC error bit status
Returns
status SystemP_SUCCESS in case of success or appropriate error code