xref: /rk3399_ARM-atf/plat/arm/board/fvp/fvp_bl31_setup.c (revision c948f77136c42a92d0bb660543a3600c36dcf7f1)
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 <drivers/arm/smmu_v3.h>
8 #include <plat/common/platform.h>
9 
10 #include <arm_config.h>
11 #include <plat_arm.h>
12 #include "fvp_private.h"
13 
14 void __init bl31_early_platform_setup2(u_register_t arg0,
15 		u_register_t arg1, u_register_t arg2, u_register_t arg3)
16 {
17 	arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
18 
19 	/* Initialize the platform config for future decision making */
20 	fvp_config_setup();
21 
22 	/*
23 	 * Initialize the correct interconnect for this cluster during cold
24 	 * boot. No need for locks as no other CPU is active.
25 	 */
26 	fvp_interconnect_init();
27 
28 	/*
29 	 * Enable coherency in interconnect for the primary CPU's cluster.
30 	 * Earlier bootloader stages might already do this (e.g. Trusted
31 	 * Firmware's BL1 does it) but we can't assume so. There is no harm in
32 	 * executing this code twice anyway.
33 	 * FVP PSCI code will enable coherency for other clusters.
34 	 */
35 	fvp_interconnect_enable();
36 
37 	/* On FVP RevC, intialize SMMUv3 */
38 	if ((arm_config.flags & ARM_CONFIG_FVP_HAS_SMMUV3) != 0U)
39 		smmuv3_init(PLAT_FVP_SMMUV3_BASE);
40 }
41