xref: /openbmc/qemu/include/hw/ppc/pnv_xscom.h (revision b14df228)
1 /*
2  * QEMU PowerPC PowerNV XSCOM bus definitions
3  *
4  * Copyright (c) 2016, 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_XSCOM_H
21 #define PPC_PNV_XSCOM_H
22 
23 #include "qom/object.h"
24 
25 typedef struct PnvXScomInterface PnvXScomInterface;
26 
27 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
28 #define PNV_XSCOM_INTERFACE(obj) \
29     INTERFACE_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
30 typedef struct PnvXScomInterfaceClass PnvXScomInterfaceClass;
31 DECLARE_CLASS_CHECKERS(PnvXScomInterfaceClass, PNV_XSCOM_INTERFACE,
32                        TYPE_PNV_XSCOM_INTERFACE)
33 
34 struct PnvXScomInterfaceClass {
35     InterfaceClass parent;
36     int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
37 };
38 
39 /*
40  * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
41  *
42  *   GPIO        0x1100xxxx
43  *   SCOM        0x1101xxxx
44  *   OHA         0x1102xxxx
45  *   CLOCK CTL   0x1103xxxx
46  *   FIR         0x1104xxxx
47  *   THERM       0x1105xxxx
48  *   <reserved>  0x1106xxxx
49  *               ..
50  *               0x110Exxxx
51  *   PCB SLAVE   0x110Fxxxx
52  */
53 
54 #define PNV_XSCOM_EX_CORE_BASE    0x10000000ull
55 
56 #define PNV_XSCOM_EX_BASE(core) \
57     (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
58 #define PNV_XSCOM_EX_SIZE         0x100000
59 
60 #define PNV_XSCOM_LPC_BASE        0xb0020
61 #define PNV_XSCOM_LPC_SIZE        0x4
62 
63 #define PNV_XSCOM_PSIHB_BASE      0x2010900
64 #define PNV_XSCOM_PSIHB_SIZE      0x20
65 
66 #define PNV_XSCOM_OCC_BASE        0x0066000
67 #define PNV_XSCOM_OCC_SIZE        0x6000
68 
69 #define PNV_XSCOM_PBA_BASE        0x2013f00
70 #define PNV_XSCOM_PBA_SIZE        0x40
71 
72 #define PNV_XSCOM_PBCQ_NEST_BASE  0x2012000
73 #define PNV_XSCOM_PBCQ_NEST_SIZE  0x46
74 
75 #define PNV_XSCOM_PBCQ_PCI_BASE   0x9012000
76 #define PNV_XSCOM_PBCQ_PCI_SIZE   0x15
77 
78 #define PNV_XSCOM_PBCQ_SPCI_BASE  0x9013c00
79 #define PNV_XSCOM_PBCQ_SPCI_SIZE  0x5
80 
81 /*
82  * Layout of the XSCOM PCB addresses (POWER 9)
83  */
84 #define PNV9_XSCOM_EC_BASE(core) \
85     ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
86 #define PNV9_XSCOM_EC_SIZE        0x100000
87 
88 #define PNV9_XSCOM_EQ_BASE(core) \
89     ((uint64_t)(((core) & 0x1C) + 0x40) << 22)
90 #define PNV9_XSCOM_EQ_SIZE        0x100000
91 
92 #define PNV9_XSCOM_OCC_BASE       PNV_XSCOM_OCC_BASE
93 #define PNV9_XSCOM_OCC_SIZE       0x8000
94 
95 #define PNV9_XSCOM_SBE_CTRL_BASE  0x00050008
96 #define PNV9_XSCOM_SBE_CTRL_SIZE  0x1
97 
98 #define PNV9_XSCOM_SBE_MBOX_BASE  0x000D0050
99 #define PNV9_XSCOM_SBE_MBOX_SIZE  0x16
100 
101 #define PNV9_XSCOM_PBA_BASE       0x5012b00
102 #define PNV9_XSCOM_PBA_SIZE       0x40
103 
104 #define PNV9_XSCOM_PSIHB_BASE     0x5012900
105 #define PNV9_XSCOM_PSIHB_SIZE     0x100
106 
107 #define PNV9_XSCOM_XIVE_BASE      0x5013000
108 #define PNV9_XSCOM_XIVE_SIZE      0x300
109 
110 #define PNV9_XSCOM_PEC_NEST_BASE  0x4010c00
111 #define PNV9_XSCOM_PEC_NEST_SIZE  0x100
112 
113 #define PNV9_XSCOM_PEC_PCI_BASE   0xd010800
114 #define PNV9_XSCOM_PEC_PCI_SIZE   0x200
115 
116 /* XSCOM PCI "pass-through" window to PHB SCOM */
117 #define PNV9_XSCOM_PEC_PCI_STK0   0x100
118 #define PNV9_XSCOM_PEC_PCI_STK1   0x140
119 #define PNV9_XSCOM_PEC_PCI_STK2   0x180
120 
121 /*
122  * Layout of the XSCOM PCB addresses (POWER 10)
123  */
124 #define PNV10_XSCOM_EQ_CHIPLET(core)  (0x20 + ((core) >> 2))
125 #define PNV10_XSCOM_EQ(chiplet)       ((chiplet) << 24)
126 #define PNV10_XSCOM_EC(proc)                    \
127     ((0x2 << 16) | ((1 << (3 - (proc))) << 12))
128 
129 #define PNV10_XSCOM_EQ_BASE(core)     \
130     ((uint64_t) PNV10_XSCOM_EQ(PNV10_XSCOM_EQ_CHIPLET(core)))
131 #define PNV10_XSCOM_EQ_SIZE        0x100000
132 
133 #define PNV10_XSCOM_EC_BASE(core) \
134     ((uint64_t) PNV10_XSCOM_EQ_BASE(core) | PNV10_XSCOM_EC(core & 0x3))
135 #define PNV10_XSCOM_EC_SIZE        0x100000
136 
137 #define PNV10_XSCOM_PSIHB_BASE     0x3011D00
138 #define PNV10_XSCOM_PSIHB_SIZE     0x100
139 
140 #define PNV10_XSCOM_OCC_BASE       PNV9_XSCOM_OCC_BASE
141 #define PNV10_XSCOM_OCC_SIZE       PNV9_XSCOM_OCC_SIZE
142 
143 #define PNV10_XSCOM_SBE_CTRL_BASE  PNV9_XSCOM_SBE_CTRL_BASE
144 #define PNV10_XSCOM_SBE_CTRL_SIZE  PNV9_XSCOM_SBE_CTRL_SIZE
145 
146 #define PNV10_XSCOM_SBE_MBOX_BASE  PNV9_XSCOM_SBE_MBOX_BASE
147 #define PNV10_XSCOM_SBE_MBOX_SIZE  PNV9_XSCOM_SBE_MBOX_SIZE
148 
149 #define PNV10_XSCOM_PBA_BASE       0x01010CDA
150 #define PNV10_XSCOM_PBA_SIZE       0x40
151 
152 #define PNV10_XSCOM_XIVE2_BASE     0x2010800
153 #define PNV10_XSCOM_XIVE2_SIZE     0x400
154 
155 #define PNV10_XSCOM_PEC_NEST_BASE  0x3011800 /* index goes downwards ... */
156 #define PNV10_XSCOM_PEC_NEST_SIZE  0x100
157 
158 #define PNV10_XSCOM_PEC_PCI_BASE   0x8010800 /* index goes upwards ... */
159 #define PNV10_XSCOM_PEC_PCI_SIZE   0x200
160 
161 void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
162 int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
163                  uint64_t xscom_base, uint64_t xscom_size,
164                  const char *compat, int compat_size);
165 
166 void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
167                              MemoryRegion *mr);
168 void pnv_xscom_region_init(MemoryRegion *mr,
169                            Object *owner,
170                            const MemoryRegionOps *ops,
171                            void *opaque,
172                            const char *name,
173                            uint64_t size);
174 
175 #endif /* PPC_PNV_XSCOM_H */
176