xref: /openbmc/qemu/include/hw/ppc/pnv.h (revision dfbd2768)
1 /*
2  * QEMU PowerPC PowerNV various definitions
3  *
4  * Copyright (c) 2014-2016 BenH, 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 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 #ifndef _PPC_PNV_H
20 #define _PPC_PNV_H
21 
22 #include "hw/boards.h"
23 #include "hw/sysbus.h"
24 #include "hw/ppc/pnv_lpc.h"
25 
26 #define TYPE_PNV_CHIP "powernv-chip"
27 #define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
28 #define PNV_CHIP_CLASS(klass) \
29      OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
30 #define PNV_CHIP_GET_CLASS(obj) \
31      OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
32 
33 typedef enum PnvChipType {
34     PNV_CHIP_POWER8E,     /* AKA Murano (default) */
35     PNV_CHIP_POWER8,      /* AKA Venice */
36     PNV_CHIP_POWER8NVL,   /* AKA Naples */
37     PNV_CHIP_POWER9,      /* AKA Nimbus */
38 } PnvChipType;
39 
40 typedef struct PnvChip {
41     /*< private >*/
42     SysBusDevice parent_obj;
43 
44     /*< public >*/
45     uint32_t     chip_id;
46     uint64_t     ram_start;
47     uint64_t     ram_size;
48 
49     uint32_t     nr_cores;
50     uint64_t     cores_mask;
51     void         *cores;
52 
53     hwaddr       xscom_base;
54     MemoryRegion xscom_mmio;
55     MemoryRegion xscom;
56     AddressSpace xscom_as;
57 
58     PnvLpcController lpc;
59 } PnvChip;
60 
61 typedef struct PnvChipClass {
62     /*< private >*/
63     SysBusDeviceClass parent_class;
64 
65     /*< public >*/
66     const char *cpu_model;
67     PnvChipType  chip_type;
68     uint64_t     chip_cfam_id;
69     uint64_t     cores_mask;
70 
71     hwaddr       xscom_base;
72     hwaddr       xscom_core_base;
73 
74     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
75 } PnvChipClass;
76 
77 #define TYPE_PNV_CHIP_POWER8E TYPE_PNV_CHIP "-POWER8E"
78 #define PNV_CHIP_POWER8E(obj) \
79     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
80 
81 #define TYPE_PNV_CHIP_POWER8 TYPE_PNV_CHIP "-POWER8"
82 #define PNV_CHIP_POWER8(obj) \
83     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
84 
85 #define TYPE_PNV_CHIP_POWER8NVL TYPE_PNV_CHIP "-POWER8NVL"
86 #define PNV_CHIP_POWER8NVL(obj) \
87     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
88 
89 #define TYPE_PNV_CHIP_POWER9 TYPE_PNV_CHIP "-POWER9"
90 #define PNV_CHIP_POWER9(obj) \
91     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
92 
93 /*
94  * This generates a HW chip id depending on an index:
95  *
96  *    0x0, 0x1, 0x10, 0x11
97  *
98  * 4 chips should be the maximum
99  */
100 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
101 
102 #define TYPE_POWERNV_MACHINE       MACHINE_TYPE_NAME("powernv")
103 #define POWERNV_MACHINE(obj) \
104     OBJECT_CHECK(PnvMachineState, (obj), TYPE_POWERNV_MACHINE)
105 
106 typedef struct PnvMachineState {
107     /*< private >*/
108     MachineState parent_obj;
109 
110     uint32_t     initrd_base;
111     long         initrd_size;
112 
113     uint32_t     num_chips;
114     PnvChip      **chips;
115 
116     ISABus       *isa_bus;
117 } PnvMachineState;
118 
119 #define PNV_FDT_ADDR          0x01000000
120 #define PNV_TIMEBASE_FREQ     512000000ULL
121 
122 /*
123  * POWER8 MMIO base addresses
124  */
125 #define PNV_XSCOM_SIZE        0x800000000ull
126 #define PNV_XSCOM_BASE(chip)                                            \
127     (chip->xscom_base + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
128 
129 #endif /* _PPC_PNV_H */
130