xref: /openbmc/qemu/include/hw/ppc/pnv_occ.h (revision 14f11a20)
1 /*
2  * QEMU PowerPC PowerNV Emulation of a few OCC related registers
3  *
4  * Copyright (c) 2015-2022, IBM Corporation.
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 2.1 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 PPC_PNV_OCC_H
21 #define PPC_PNV_OCC_H
22 
23 #include "exec/memory.h"
24 #include "hw/qdev-core.h"
25 
26 #define TYPE_PNV_OCC "pnv-occ"
27 OBJECT_DECLARE_TYPE(PnvOCC, PnvOCCClass,
28                     PNV_OCC)
29 #define TYPE_PNV8_OCC TYPE_PNV_OCC "-POWER8"
30 DECLARE_INSTANCE_CHECKER(PnvOCC, PNV8_OCC,
31                          TYPE_PNV8_OCC)
32 #define TYPE_PNV9_OCC TYPE_PNV_OCC "-POWER9"
33 DECLARE_INSTANCE_CHECKER(PnvOCC, PNV9_OCC,
34                          TYPE_PNV9_OCC)
35 #define TYPE_PNV10_OCC TYPE_PNV_OCC "-POWER10"
36 DECLARE_INSTANCE_CHECKER(PnvOCC, PNV10_OCC, TYPE_PNV10_OCC)
37 
38 #define PNV_OCC_SENSOR_DATA_BLOCK_OFFSET 0x00580000
39 #define PNV_OCC_SENSOR_DATA_BLOCK_SIZE   0x00025800
40 
41 struct PnvOCC {
42     DeviceState xd;
43 
44     /* OCC Misc interrupt */
45     uint64_t occmisc;
46 
47     qemu_irq psi_irq;
48 
49     MemoryRegion xscom_regs;
50     MemoryRegion sram_regs;
51 };
52 
53 struct PnvOCCClass {
54     DeviceClass parent_class;
55 
56     int xscom_size;
57     const MemoryRegionOps *xscom_ops;
58 };
59 
60 #define PNV_OCC_SENSOR_DATA_BLOCK_BASE(i)                               \
61     (PNV_OCC_SENSOR_DATA_BLOCK_OFFSET + (i) * PNV_OCC_SENSOR_DATA_BLOCK_SIZE)
62 
63 #endif /* PPC_PNV_OCC_H */
64