xref: /arm-trusted-firmware/plat/arm/css/sgi/sgi_interconnect.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1 /*
2  * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <arch_helpers.h>
8 #include <common/debug.h>
9 #include <plat/arm/common/plat_arm.h>
10 
11 /*
12  * For SGI575 which support FCM (with automatic interconnect enter/exit),
13  * we should not do anything in these interface functions.
14  * They are used to override the weak functions in cci drivers.
15  */
16 
17 /******************************************************************************
18  * Helper function to initialize ARM interconnect driver.
19  *****************************************************************************/
20 void __init plat_arm_interconnect_init(void)
21 {
22 }
23 
24 /******************************************************************************
25  * Helper function to place current master into coherency
26  *****************************************************************************/
27 void plat_arm_interconnect_enter_coherency(void)
28 {
29 }
30 
31 /******************************************************************************
32  * Helper function to remove current master from coherency
33  *****************************************************************************/
34 void plat_arm_interconnect_exit_coherency(void)
35 {
36 }
37