xref: /openbmc/qemu/include/hw/misc/mips_cpc.h (revision 135b03cb)
1 /*
2  * Cluster Power Controller emulation
3  *
4  * Copyright (c) 2016 Imagination Technologies
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef MIPS_CPC_H
21 #define MIPS_CPC_H
22 
23 #include "hw/sysbus.h"
24 
25 #define CPC_ADDRSPACE_SZ    0x6000
26 
27 /* CPC blocks offsets relative to base address */
28 #define CPC_CL_BASE_OFS     0x2000
29 #define CPC_CO_BASE_OFS     0x4000
30 
31 /* CPC register offsets relative to block offsets */
32 #define CPC_VP_STOP_OFS     0x20
33 #define CPC_VP_RUN_OFS      0x28
34 #define CPC_VP_RUNNING_OFS  0x30
35 
36 #define TYPE_MIPS_CPC "mips-cpc"
37 #define MIPS_CPC(obj) OBJECT_CHECK(MIPSCPCState, (obj), TYPE_MIPS_CPC)
38 
39 typedef struct MIPSCPCState {
40     SysBusDevice parent_obj;
41 
42     uint32_t num_vp;
43     uint64_t vp_start_running; /* VPs running from restart */
44 
45     MemoryRegion mr;
46     uint64_t vp_running; /* Indicates which VPs are in the run state */
47 } MIPSCPCState;
48 
49 #endif /* MIPS_CPC_H */
50