xref: /rk3399_ARM-atf/plat/mediatek/mt8173/scu.c (revision 7d116dccab2249a692181ba9521a52277e86591c)
1*7d116dccSCC Ma /*
2*7d116dccSCC Ma  * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3*7d116dccSCC Ma  *
4*7d116dccSCC Ma  * Redistribution and use in source and binary forms, with or without
5*7d116dccSCC Ma  * modification, are permitted provided that the following conditions are met:
6*7d116dccSCC Ma  *
7*7d116dccSCC Ma  * Redistributions of source code must retain the above copyright notice, this
8*7d116dccSCC Ma  * list of conditions and the following disclaimer.
9*7d116dccSCC Ma  *
10*7d116dccSCC Ma  * Redistributions in binary form must reproduce the above copyright notice,
11*7d116dccSCC Ma  * this list of conditions and the following disclaimer in the documentation
12*7d116dccSCC Ma  * and/or other materials provided with the distribution.
13*7d116dccSCC Ma  *
14*7d116dccSCC Ma  * Neither the name of ARM nor the names of its contributors may be used
15*7d116dccSCC Ma  * to endorse or promote products derived from this software without specific
16*7d116dccSCC Ma  * prior written permission.
17*7d116dccSCC Ma  *
18*7d116dccSCC Ma  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19*7d116dccSCC Ma  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*7d116dccSCC Ma  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*7d116dccSCC Ma  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22*7d116dccSCC Ma  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23*7d116dccSCC Ma  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24*7d116dccSCC Ma  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25*7d116dccSCC Ma  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26*7d116dccSCC Ma  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27*7d116dccSCC Ma  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28*7d116dccSCC Ma  * POSSIBILITY OF SUCH DAMAGE.
29*7d116dccSCC Ma  */
30*7d116dccSCC Ma 
31*7d116dccSCC Ma #include <arch.h>
32*7d116dccSCC Ma #include <mcucfg.h>
33*7d116dccSCC Ma #include <mmio.h>
34*7d116dccSCC Ma 
35*7d116dccSCC Ma void disable_scu(unsigned long mpidr)
36*7d116dccSCC Ma {
37*7d116dccSCC Ma 	if (mpidr & MPIDR_CLUSTER_MASK)
38*7d116dccSCC Ma 		mmio_setbits_32((uintptr_t)&mt8173_mcucfg->mp1_miscdbg,
39*7d116dccSCC Ma 			MP1_ACINACTM);
40*7d116dccSCC Ma 	else
41*7d116dccSCC Ma 		mmio_setbits_32((uintptr_t)&mt8173_mcucfg->mp0_axi_config,
42*7d116dccSCC Ma 			MP0_ACINACTM);
43*7d116dccSCC Ma }
44*7d116dccSCC Ma 
45*7d116dccSCC Ma void enable_scu(unsigned long mpidr)
46*7d116dccSCC Ma {
47*7d116dccSCC Ma 	if (mpidr & MPIDR_CLUSTER_MASK)
48*7d116dccSCC Ma 		mmio_clrbits_32((uintptr_t)&mt8173_mcucfg->mp1_miscdbg,
49*7d116dccSCC Ma 			MP1_ACINACTM);
50*7d116dccSCC Ma 	else
51*7d116dccSCC Ma 		mmio_clrbits_32((uintptr_t)&mt8173_mcucfg->mp0_axi_config,
52*7d116dccSCC Ma 			MP0_ACINACTM);
53*7d116dccSCC Ma }
54