regMPASP_SMN_C2PMSG_67
data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67);
WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67, value);
data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67);
WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67, value);