aboutsummaryrefslogtreecommitdiff
path: root/include/hw/ppc/pnv_xscom.h
blob: 7e3b189c079328357f23f6849e28e2e80e4dfc2d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/*
 * QEMU PowerPC PowerNV XSCOM bus definitions
 *
 * Copyright (c) 2016, IBM Corporation.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PPC_PNV_XSCOM_H
#define PPC_PNV_XSCOM_H

#include "qom/object.h"

typedef struct PnvXScomInterface PnvXScomInterface;

#define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
#define PNV_XSCOM_INTERFACE(obj) \
    INTERFACE_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
typedef struct PnvXScomInterfaceClass PnvXScomInterfaceClass;
DECLARE_CLASS_CHECKERS(PnvXScomInterfaceClass, PNV_XSCOM_INTERFACE,
                       TYPE_PNV_XSCOM_INTERFACE)

struct PnvXScomInterfaceClass {
    InterfaceClass parent;
    int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
};

/*
 * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
 *
 *   GPIO        0x1100xxxx
 *   SCOM        0x1101xxxx
 *   OHA         0x1102xxxx
 *   CLOCK CTL   0x1103xxxx
 *   FIR         0x1104xxxx
 *   THERM       0x1105xxxx
 *   <reserved>  0x1106xxxx
 *               ..
 *               0x110Exxxx
 *   PCB SLAVE   0x110Fxxxx
 */

#define PNV_XSCOM_EX_CORE_BASE    0x10000000ull

#define PNV_XSCOM_EX_BASE(core) \
    (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
#define PNV_XSCOM_EX_SIZE         0x100000

#define PNV_XSCOM_LPC_BASE        0xb0020
#define PNV_XSCOM_LPC_SIZE        0x4

#define PNV_XSCOM_PSIHB_BASE      0x2010900
#define PNV_XSCOM_PSIHB_SIZE      0x20

#define PNV_XSCOM_OCC_BASE        0x0066000
#define PNV_XSCOM_OCC_SIZE        0x6000

#define PNV_XSCOM_PBA_BASE        0x2013f00
#define PNV_XSCOM_PBA_SIZE        0x40

#define PNV_XSCOM_PBCQ_NEST_BASE  0x2012000
#define PNV_XSCOM_PBCQ_NEST_SIZE  0x46

#define PNV_XSCOM_PBCQ_PCI_BASE   0x9012000
#define PNV_XSCOM_PBCQ_PCI_SIZE   0x15

#define PNV_XSCOM_PBCQ_SPCI_BASE  0x9013c00
#define PNV_XSCOM_PBCQ_SPCI_SIZE  0x5

/*
 * Layout of the XSCOM PCB addresses (POWER 9)
 */
#define PNV9_XSCOM_EC_BASE(core) \
    ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
#define PNV9_XSCOM_EC_SIZE        0x100000

#define PNV9_XSCOM_EQ_BASE(core) \
    ((uint64_t)(((core) & 0x1C) + 0x40) << 22)
#define PNV9_XSCOM_EQ_SIZE        0x100000

#define PNV9_XSCOM_OCC_BASE       PNV_XSCOM_OCC_BASE
#define PNV9_XSCOM_OCC_SIZE       0x8000

#define PNV9_XSCOM_PBA_BASE       0x5012b00
#define PNV9_XSCOM_PBA_SIZE       0x40

#define PNV9_XSCOM_PSIHB_BASE     0x5012900
#define PNV9_XSCOM_PSIHB_SIZE     0x100

#define PNV9_XSCOM_XIVE_BASE      0x5013000
#define PNV9_XSCOM_XIVE_SIZE      0x300

#define PNV9_XSCOM_PEC_NEST_BASE  0x4010c00
#define PNV9_XSCOM_PEC_NEST_SIZE  0x100

#define PNV9_XSCOM_PEC_PCI_BASE   0xd010800
#define PNV9_XSCOM_PEC_PCI_SIZE   0x200

/* XSCOM PCI "pass-through" window to PHB SCOM */
#define PNV9_XSCOM_PEC_PCI_STK0   0x100
#define PNV9_XSCOM_PEC_PCI_STK1   0x140
#define PNV9_XSCOM_PEC_PCI_STK2   0x180

/*
 * Layout of the XSCOM PCB addresses (POWER 10)
 */
#define PNV10_XSCOM_EQ_CHIPLET(core)  (0x20 + ((core) >> 2))
#define PNV10_XSCOM_EQ(chiplet)       ((chiplet) << 24)
#define PNV10_XSCOM_EC(proc)                    \
    ((0x2 << 16) | ((1 << (3 - (proc))) << 12))

#define PNV10_XSCOM_EQ_BASE(core)     \
    ((uint64_t) PNV10_XSCOM_EQ(PNV10_XSCOM_EQ_CHIPLET(core)))
#define PNV10_XSCOM_EQ_SIZE        0x100000

#define PNV10_XSCOM_EC_BASE(core) \
    ((uint64_t) PNV10_XSCOM_EQ_BASE(core) | PNV10_XSCOM_EC(core & 0x3))
#define PNV10_XSCOM_EC_SIZE        0x100000

#define PNV10_XSCOM_PSIHB_BASE     0x3011D00
#define PNV10_XSCOM_PSIHB_SIZE     0x100

void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
                 uint64_t xscom_base, uint64_t xscom_size,
                 const char *compat, int compat_size);

void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
                             MemoryRegion *mr);
void pnv_xscom_region_init(MemoryRegion *mr,
                           struct Object *owner,
                           const MemoryRegionOps *ops,
                           void *opaque,
                           const char *name,
                           uint64_t size);

#endif /* PPC_PNV_XSCOM_H */