ARM_SMCCC_ARCH_SOC_ID
ARM_SMCCC_ARCH_SOC_ID, &res);
arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_SOC_ID, 0, &res);
arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_SOC_ID, 1, &res);
args.a0 = ARM_SMCCC_ARCH_SOC_ID;