[参考译文] AM2434：读取和写入扩展 OTP

#include <stdlib.h>
#include "ti_drivers_config.h"
#include "ti_board_config.h"

void ext_otp_printMmrs(void *args);

int main(void)
{
    System_init();
    Board_init();

    ext_otp_printMmrs(NULL);

    Board_deinit();
    System_deinit();

    return 0;
}

ECT_OTP_PRINTMMRS 代码

#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <kernel/dpl/HwiP.h>
#include <kernel/dpl/CacheP.h>
#include <kernel/dpl/SemaphoreP.h>
#include <kernel/dpl/ClockP.h>
#include <kernel/dpl/HeapP.h>
#include <kernel/dpl/CycleCounterP.h>
#include "ti_drivers_open_close.h"
#include "ti_board_open_close.h"

#include "ti_drivers_config.h"
#include <drivers/sciclient.h>
#include <drivers/sciclient/include/tisci/security/tisci_ext_otp.h>

int32_t ext_otp_readMmr(uint8_t mmrIdx, uint32_t *mmrVal)
{
    int32_t status = SystemP_SUCCESS;
    Sciclient_ReqPrm_t reqParam ;
    Sciclient_RespPrm_t respParam ;
    struct tisci_msg_read_otp_mmr_req request ;
    struct tisci_msg_read_otp_mmr_resp response ;

    request.mmr_idx       = mmrIdx;

    reqParam.messageType    = (uint16_t) TISCI_MSG_READ_OTP_MMR;
    reqParam.flags          = (uint32_t) TISCI_MSG_FLAG_AOP;
    reqParam.pReqPayload    = (const uint8_t *) &request;
    reqParam.reqPayloadSize = (uint32_t) sizeof (request);
    reqParam.timeout        = (uint32_t) SystemP_WAIT_FOREVER;

    respParam.flags           = (uint32_t) 0;   /* Populated by the API */
    respParam.pRespPayload    = (uint8_t *) &response;
    respParam.respPayloadSize = (uint32_t) sizeof (response);

    status = Sciclient_service(&reqParam, &respParam);

	if ( (status==SystemP_SUCCESS) && ((respParam.flags & TISCI_MSG_FLAG_ACK) == TISCI_MSG_FLAG_ACK) )
	{
		*mmrVal = response.mmr_val; 
		DebugP_log("Success Reading OTP MMR \r\n");
		DebugP_log("OTP MMR Value reported :0x%x \r\n", (uint32_t) *mmrVal);
	}
	else
	{
		
		DebugP_log("Error Reading OTP MMR ... \r\n");
		status = SystemP_FAILURE; 
	}

	return status;
}




void ext_otp_printMmrs(void *args)
{
    /* Open drivers to open the UART driver for console */
    Drivers_open();
    Board_driversOpen();

    int32_t status = SystemP_SUCCESS; 
	uint32_t mmrVal, i; 
	for (i=0; i<12; i++)
	{
		status = ext_otp_readMmr(i, &mmrVal);
		DebugP_log("OTP MMR %d: 0x%x \r\n", i, mmrVal);
		//DebugP_log("Error reading MMR %d \r\n", i);
	}
    
#if defined(AMP_FREERTOS_A53)
    DebugP_log("All tests have passed on a53_core%d!!\r\n", Armv8_getCoreId());
#else
    DebugP_log("All tests have passed!!\r\n");
#endif
    Board_driversClose();
    Drivers_close();
}