xref: /openbmc/qemu/include/hw/ppc/pnv.h (revision 5373c61d6a7ec29c2b1126cb908fd08e23b4247b)
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 
20 #ifndef PPC_PNV_H
21 #define PPC_PNV_H
22 
23 #include "hw/boards.h"
24 #include "hw/sysbus.h"
25 #include "hw/ipmi/ipmi.h"
26 #include "hw/ppc/pnv_lpc.h"
27 #include "hw/ppc/pnv_pnor.h"
28 #include "hw/ppc/pnv_psi.h"
29 #include "hw/ppc/pnv_occ.h"
30 #include "hw/ppc/pnv_homer.h"
31 #include "hw/ppc/pnv_xive.h"
32 #include "hw/ppc/pnv_core.h"
33 
34 #define TYPE_PNV_CHIP "pnv-chip"
35 #define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
36 #define PNV_CHIP_CLASS(klass) \
37      OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
38 #define PNV_CHIP_GET_CLASS(obj) \
39      OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
40 
41 typedef enum PnvChipType {
42     PNV_CHIP_POWER8E,     /* AKA Murano (default) */
43     PNV_CHIP_POWER8,      /* AKA Venice */
44     PNV_CHIP_POWER8NVL,   /* AKA Naples */
45     PNV_CHIP_POWER9,      /* AKA Nimbus */
46 } PnvChipType;
47 
48 typedef struct PnvChip {
49     /*< private >*/
50     SysBusDevice parent_obj;
51 
52     /*< public >*/
53     uint32_t     chip_id;
54     uint64_t     ram_start;
55     uint64_t     ram_size;
56 
57     uint32_t     nr_cores;
58     uint64_t     cores_mask;
59     PnvCore      **cores;
60 
61     MemoryRegion xscom_mmio;
62     MemoryRegion xscom;
63     AddressSpace xscom_as;
64 
65     gchar        *dt_isa_nodename;
66 } PnvChip;
67 
68 #define TYPE_PNV8_CHIP "pnv8-chip"
69 #define PNV8_CHIP(obj) OBJECT_CHECK(Pnv8Chip, (obj), TYPE_PNV8_CHIP)
70 
71 typedef struct Pnv8Chip {
72     /*< private >*/
73     PnvChip      parent_obj;
74 
75     /*< public >*/
76     MemoryRegion icp_mmio;
77 
78     PnvLpcController lpc;
79     Pnv8Psi      psi;
80     PnvOCC       occ;
81     PnvHomer     homer;
82 } Pnv8Chip;
83 
84 #define TYPE_PNV9_CHIP "pnv9-chip"
85 #define PNV9_CHIP(obj) OBJECT_CHECK(Pnv9Chip, (obj), TYPE_PNV9_CHIP)
86 
87 typedef struct Pnv9Chip {
88     /*< private >*/
89     PnvChip      parent_obj;
90 
91     /*< public >*/
92     PnvXive      xive;
93     Pnv9Psi      psi;
94     PnvLpcController lpc;
95     PnvOCC       occ;
96     PnvHomer     homer;
97 
98     uint32_t     nr_quads;
99     PnvQuad      *quads;
100 } Pnv9Chip;
101 
102 /*
103  * A SMT8 fused core is a pair of SMT4 cores.
104  */
105 #define PNV9_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
106 #define PNV9_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
107 
108 typedef struct PnvChipClass {
109     /*< private >*/
110     SysBusDeviceClass parent_class;
111 
112     /*< public >*/
113     PnvChipType  chip_type;
114     uint64_t     chip_cfam_id;
115     uint64_t     cores_mask;
116 
117     DeviceRealize parent_realize;
118 
119     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
120     void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
121     void (*intc_reset)(PnvChip *chip, PowerPCCPU *cpu);
122     void (*intc_destroy)(PnvChip *chip, PowerPCCPU *cpu);
123     ISABus *(*isa_create)(PnvChip *chip, Error **errp);
124     void (*dt_populate)(PnvChip *chip, void *fdt);
125     void (*pic_print_info)(PnvChip *chip, Monitor *mon);
126 } PnvChipClass;
127 
128 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
129 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
130 
131 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
132 #define PNV_CHIP_POWER8E(obj) \
133     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
134 
135 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
136 #define PNV_CHIP_POWER8(obj) \
137     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
138 
139 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
140 #define PNV_CHIP_POWER8NVL(obj) \
141     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
142 
143 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
144 #define PNV_CHIP_POWER9(obj) \
145     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
146 
147 /*
148  * This generates a HW chip id depending on an index, as found on a
149  * two socket system with dual chip modules :
150  *
151  *    0x0, 0x1, 0x10, 0x11
152  *
153  * 4 chips should be the maximum
154  *
155  * TODO: use a machine property to define the chip ids
156  */
157 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
158 
159 /*
160  * Converts back a HW chip id to an index. This is useful to calculate
161  * the MMIO addresses of some controllers which depend on the chip id.
162  */
163 #define PNV_CHIP_INDEX(chip)                                    \
164     (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
165 
166 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir);
167 
168 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
169 #define PNV_MACHINE(obj) \
170     OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
171 
172 typedef struct PnvMachineState {
173     /*< private >*/
174     MachineState parent_obj;
175 
176     uint32_t     initrd_base;
177     long         initrd_size;
178 
179     uint32_t     num_chips;
180     PnvChip      **chips;
181 
182     ISABus       *isa_bus;
183     uint32_t     cpld_irqstate;
184 
185     IPMIBmc      *bmc;
186     Notifier     powerdown_notifier;
187 
188     PnvPnor      *pnor;
189 } PnvMachineState;
190 
191 static inline bool pnv_chip_is_power9(const PnvChip *chip)
192 {
193     return PNV_CHIP_GET_CLASS(chip)->chip_type == PNV_CHIP_POWER9;
194 }
195 
196 static inline bool pnv_is_power9(PnvMachineState *pnv)
197 {
198     return pnv_chip_is_power9(pnv->chips[0]);
199 }
200 
201 PnvChip *pnv_get_chip(uint32_t chip_id);
202 
203 #define PNV_FDT_ADDR          0x01000000
204 #define PNV_TIMEBASE_FREQ     512000000ULL
205 
206 /*
207  * BMC helpers
208  */
209 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
210 void pnv_bmc_powerdown(IPMIBmc *bmc);
211 IPMIBmc *pnv_bmc_create(void);
212 
213 /*
214  * POWER8 MMIO base addresses
215  */
216 #define PNV_XSCOM_SIZE        0x800000000ull
217 #define PNV_XSCOM_BASE(chip)                                            \
218     (0x0003fc0000000000ull + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
219 
220 #define PNV_OCC_COMMON_AREA_SIZE    0x0000000000700000ull
221 #define PNV_OCC_COMMON_AREA(chip)                                       \
222     (0x7fff800000ull + ((uint64_t)PNV_CHIP_INDEX(chip) * \
223                          PNV_OCC_COMMON_AREA_SIZE))
224 
225 #define PNV_HOMER_SIZE              0x0000000000300000ull
226 #define PNV_HOMER_BASE(chip)                                            \
227     (0x7ffd800000ull + ((uint64_t)PNV_CHIP_INDEX(chip)) * PNV_HOMER_SIZE)
228 
229 
230 /*
231  * XSCOM 0x20109CA defines the ICP BAR:
232  *
233  * 0:29   : bits 14 to 43 of address to define 1 MB region.
234  * 30     : 1 to enable ICP to receive loads/stores against its BAR region
235  * 31:63  : Constant 0
236  *
237  * Usually defined as :
238  *
239  *      0xffffe00200000000 -> 0x0003ffff80000000
240  *      0xffffe00600000000 -> 0x0003ffff80100000
241  *      0xffffe02200000000 -> 0x0003ffff80800000
242  *      0xffffe02600000000 -> 0x0003ffff80900000
243  */
244 #define PNV_ICP_SIZE         0x0000000000100000ull
245 #define PNV_ICP_BASE(chip)                                              \
246     (0x0003ffff80000000ull + (uint64_t) PNV_CHIP_INDEX(chip) * PNV_ICP_SIZE)
247 
248 
249 #define PNV_PSIHB_SIZE       0x0000000000100000ull
250 #define PNV_PSIHB_BASE(chip) \
251     (0x0003fffe80000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * PNV_PSIHB_SIZE)
252 
253 #define PNV_PSIHB_FSP_SIZE   0x0000000100000000ull
254 #define PNV_PSIHB_FSP_BASE(chip) \
255     (0x0003ffe000000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * \
256      PNV_PSIHB_FSP_SIZE)
257 
258 /*
259  * POWER9 MMIO base addresses
260  */
261 #define PNV9_CHIP_BASE(chip, base)   \
262     ((base) + ((uint64_t) (chip)->chip_id << 42))
263 
264 #define PNV9_XIVE_VC_SIZE            0x0000008000000000ull
265 #define PNV9_XIVE_VC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006010000000000ull)
266 
267 #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
268 #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
269 
270 #define PNV9_LPCM_SIZE               0x0000000100000000ull
271 #define PNV9_LPCM_BASE(chip)         PNV9_CHIP_BASE(chip, 0x0006030000000000ull)
272 
273 #define PNV9_PSIHB_SIZE              0x0000000000100000ull
274 #define PNV9_PSIHB_BASE(chip)        PNV9_CHIP_BASE(chip, 0x0006030203000000ull)
275 
276 #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
277 #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
278 
279 #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
280 #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
281 
282 #define PNV9_PSIHB_ESB_SIZE          0x0000000000010000ull
283 #define PNV9_PSIHB_ESB_BASE(chip)    PNV9_CHIP_BASE(chip, 0x00060302031c0000ull)
284 
285 #define PNV9_XSCOM_SIZE              0x0000000400000000ull
286 #define PNV9_XSCOM_BASE(chip)        PNV9_CHIP_BASE(chip, 0x00603fc00000000ull)
287 
288 #define PNV9_OCC_COMMON_AREA_SIZE    0x0000000000700000ull
289 #define PNV9_OCC_COMMON_AREA(chip)                                      \
290     (0x203fff800000ull + ((uint64_t)PNV_CHIP_INDEX(chip) * \
291                            PNV9_OCC_COMMON_AREA_SIZE))
292 
293 #define PNV9_HOMER_SIZE              0x0000000000300000ull
294 #define PNV9_HOMER_BASE(chip)                                           \
295     (0x203ffd800000ull + ((uint64_t)PNV_CHIP_INDEX(chip)) * PNV9_HOMER_SIZE)
296 #endif /* PPC_PNV_H */
297