xref: /qemu/include/hw/ppc/pnv.h (revision eb859a27e1ebeeeaff096a0c041d9f75c9f7a722)
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/ipmi/ipmi.h"
25 #include "hw/ppc/pnv_lpc.h"
26 #include "hw/ppc/pnv_psi.h"
27 #include "hw/ppc/pnv_occ.h"
28 #include "hw/ppc/pnv_xive.h"
29 
30 #define TYPE_PNV_CHIP "pnv-chip"
31 #define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
32 #define PNV_CHIP_CLASS(klass) \
33      OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
34 #define PNV_CHIP_GET_CLASS(obj) \
35      OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
36 
37 typedef enum PnvChipType {
38     PNV_CHIP_POWER8E,     /* AKA Murano (default) */
39     PNV_CHIP_POWER8,      /* AKA Venice */
40     PNV_CHIP_POWER8NVL,   /* AKA Naples */
41     PNV_CHIP_POWER9,      /* AKA Nimbus */
42 } PnvChipType;
43 
44 typedef struct PnvChip {
45     /*< private >*/
46     SysBusDevice parent_obj;
47 
48     /*< public >*/
49     uint32_t     chip_id;
50     uint64_t     ram_start;
51     uint64_t     ram_size;
52 
53     uint32_t     nr_cores;
54     uint64_t     cores_mask;
55     void         *cores;
56 
57     hwaddr       xscom_base;
58     MemoryRegion xscom_mmio;
59     MemoryRegion xscom;
60     AddressSpace xscom_as;
61 } PnvChip;
62 
63 #define TYPE_PNV8_CHIP "pnv8-chip"
64 #define PNV8_CHIP(obj) OBJECT_CHECK(Pnv8Chip, (obj), TYPE_PNV8_CHIP)
65 
66 typedef struct Pnv8Chip {
67     /*< private >*/
68     PnvChip      parent_obj;
69 
70     /*< public >*/
71     MemoryRegion icp_mmio;
72 
73     PnvLpcController lpc;
74     PnvPsi       psi;
75     PnvOCC       occ;
76 } Pnv8Chip;
77 
78 #define TYPE_PNV9_CHIP "pnv9-chip"
79 #define PNV9_CHIP(obj) OBJECT_CHECK(Pnv9Chip, (obj), TYPE_PNV9_CHIP)
80 
81 typedef struct Pnv9Chip {
82     /*< private >*/
83     PnvChip      parent_obj;
84 
85     /*< public >*/
86     PnvXive      xive;
87 } Pnv9Chip;
88 
89 typedef struct PnvChipClass {
90     /*< private >*/
91     SysBusDeviceClass parent_class;
92 
93     /*< public >*/
94     PnvChipType  chip_type;
95     uint64_t     chip_cfam_id;
96     uint64_t     cores_mask;
97 
98     hwaddr       xscom_base;
99 
100     DeviceRealize parent_realize;
101 
102     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
103     void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
104     ISABus *(*isa_create)(PnvChip *chip, Error **errp);
105     void (*dt_populate)(PnvChip *chip, void *fdt);
106 } PnvChipClass;
107 
108 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
109 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
110 
111 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
112 #define PNV_CHIP_POWER8E(obj) \
113     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
114 
115 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
116 #define PNV_CHIP_POWER8(obj) \
117     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
118 
119 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
120 #define PNV_CHIP_POWER8NVL(obj) \
121     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
122 
123 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
124 #define PNV_CHIP_POWER9(obj) \
125     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
126 
127 /*
128  * This generates a HW chip id depending on an index, as found on a
129  * two socket system with dual chip modules :
130  *
131  *    0x0, 0x1, 0x10, 0x11
132  *
133  * 4 chips should be the maximum
134  *
135  * TODO: use a machine property to define the chip ids
136  */
137 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
138 
139 /*
140  * Converts back a HW chip id to an index. This is useful to calculate
141  * the MMIO addresses of some controllers which depend on the chip id.
142  */
143 #define PNV_CHIP_INDEX(chip)                                    \
144     (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
145 
146 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
147 #define PNV_MACHINE(obj) \
148     OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
149 
150 typedef struct PnvMachineState {
151     /*< private >*/
152     MachineState parent_obj;
153 
154     uint32_t     initrd_base;
155     long         initrd_size;
156 
157     uint32_t     num_chips;
158     PnvChip      **chips;
159 
160     ISABus       *isa_bus;
161     uint32_t     cpld_irqstate;
162 
163     IPMIBmc      *bmc;
164     Notifier     powerdown_notifier;
165 } PnvMachineState;
166 
167 static inline bool pnv_chip_is_power9(const PnvChip *chip)
168 {
169     return PNV_CHIP_GET_CLASS(chip)->chip_type == PNV_CHIP_POWER9;
170 }
171 
172 static inline bool pnv_is_power9(PnvMachineState *pnv)
173 {
174     return pnv_chip_is_power9(pnv->chips[0]);
175 }
176 
177 #define PNV_FDT_ADDR          0x01000000
178 #define PNV_TIMEBASE_FREQ     512000000ULL
179 
180 /*
181  * BMC helpers
182  */
183 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
184 void pnv_bmc_powerdown(IPMIBmc *bmc);
185 
186 /*
187  * POWER8 MMIO base addresses
188  */
189 #define PNV_XSCOM_SIZE        0x800000000ull
190 #define PNV_XSCOM_BASE(chip)                                            \
191     (chip->xscom_base + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
192 
193 /*
194  * XSCOM 0x20109CA defines the ICP BAR:
195  *
196  * 0:29   : bits 14 to 43 of address to define 1 MB region.
197  * 30     : 1 to enable ICP to receive loads/stores against its BAR region
198  * 31:63  : Constant 0
199  *
200  * Usually defined as :
201  *
202  *      0xffffe00200000000 -> 0x0003ffff80000000
203  *      0xffffe00600000000 -> 0x0003ffff80100000
204  *      0xffffe02200000000 -> 0x0003ffff80800000
205  *      0xffffe02600000000 -> 0x0003ffff80900000
206  */
207 #define PNV_ICP_SIZE         0x0000000000100000ull
208 #define PNV_ICP_BASE(chip)                                              \
209     (0x0003ffff80000000ull + (uint64_t) PNV_CHIP_INDEX(chip) * PNV_ICP_SIZE)
210 
211 
212 #define PNV_PSIHB_SIZE       0x0000000000100000ull
213 #define PNV_PSIHB_BASE(chip) \
214     (0x0003fffe80000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * PNV_PSIHB_SIZE)
215 
216 #define PNV_PSIHB_FSP_SIZE   0x0000000100000000ull
217 #define PNV_PSIHB_FSP_BASE(chip) \
218     (0x0003ffe000000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * \
219      PNV_PSIHB_FSP_SIZE)
220 
221 /*
222  * POWER9 MMIO base addresses
223  */
224 #define PNV9_CHIP_BASE(chip, base)   \
225     ((base) + ((uint64_t) (chip)->chip_id << 42))
226 
227 #define PNV9_XIVE_VC_SIZE            0x0000008000000000ull
228 #define PNV9_XIVE_VC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006010000000000ull)
229 
230 #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
231 #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
232 
233 #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
234 #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
235 
236 #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
237 #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
238 
239 
240 #endif /* _PPC_PNV_H */
241