How we can unlock the JTAG on HS-SE devices using TISCI api mentioned in the secure debug document ?
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How we can unlock the JTAG on HS-SE devices using TISCI api mentioned in the secure debug document ?
Please follow the below steps to unlock the JTAG using TISCI_MSG_OPEN_DEBUG_FWLS tisci API.
[ req ] distinguished_name = req_distinguished_name x509_extensions = v3_ca prompt = no dirstring_type = nobmp [ req_distinguished_name ] C = US ST = SC L = Dallas O = Texas Instruments., Inc. OU = PBU CN = Albert emailAddress = Albert@ti.com [ v3_ca ] basicConstraints = CA:true 1.3.6.1.4.1.294.1.3=ASN1:SEQUENCE:swrv 1.3.6.1.4.1.294.1.8=ASN1:SEQUENCE:debug [ swrv ] swrv = INTEGER:0 [ debug ] debugUID = FORMAT:HEX,OCT:0000 debugType = INTEGER:5 coreDbgEn = INTEGER:0x010206070809 coreDbgSecEn = INTEGER:0x202180
138 int32_t Sciclient_firewallDebugOpen( 139 const struct tisci_msg_open_debug_fwls_req *req, 140 struct tisci_msg_open_debug_fwls_resp *resp, 141 uint32_t timeout) 142 { 143 int32_t r; 144 Sciclient_ReqPrm_t sciReq = {0}; 145 sciReq.messageType = TISCI_MSG_OPEN_DEBUG_FWLS; 146 sciReq.flags = TISCI_MSG_FLAG_AOP; 147 sciReq.pReqPayload = (const uint8_t *) req; 148 sciReq.reqPayloadSize = (uint32_t) sizeof(*req); 149 sciReq.timeout = timeout; 150 151 Sciclient_RespPrm_t sciResp = {0}; 152 sciResp.flags = 0; 153 sciResp.pRespPayload = (uint8_t *) resp; 154 sciResp.respPayloadSize = (uint32_t) sizeof(*resp); 155 156 157 r = Sciclient_service(&sciReq, &sciResp); 158 if ((r != CSL_PASS) || 159 ((sciResp.flags & TISCI_MSG_FLAG_ACK) != TISCI_MSG_FLAG_ACK)) { 160 r = CSL_EFAIL; 161 } 162 163 return r; 164 } 165
cd <RTOS_SDK>/<pdk>/packages/ti/build make sciclient_boardcfg_hs BOARD=j721s2_evm CORE=mcu1_0 make pdk_libs BOARD=j721s2_evm CORE=mcu1_0 make sbl_mmcsd_img_hs BOARD=j721s2_evm CORE=mcu1_0