1 /* 2 * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arm_config.h> 8 #include <plat_arm.h> 9 #include <smmu_v3.h> 10 #include "fvp_private.h" 11 12 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, 13 u_register_t arg2, u_register_t arg3) 14 { 15 arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3); 16 17 /* Initialize the platform config for future decision making */ 18 fvp_config_setup(); 19 20 /* 21 * Initialize the correct interconnect for this cluster during cold 22 * boot. No need for locks as no other CPU is active. 23 */ 24 fvp_interconnect_init(); 25 26 /* 27 * Enable coherency in interconnect for the primary CPU's cluster. 28 * Earlier bootloader stages might already do this (e.g. Trusted 29 * Firmware's BL1 does it) but we can't assume so. There is no harm in 30 * executing this code twice anyway. 31 * FVP PSCI code will enable coherency for other clusters. 32 */ 33 fvp_interconnect_enable(); 34 35 /* On FVP RevC, intialize SMMUv3 */ 36 if (arm_config.flags & ARM_CONFIG_FVP_HAS_SMMUV3) 37 smmuv3_init(PLAT_FVP_SMMUV3_BASE); 38 } 39