xref: /openbmc/qemu/include/hw/ppc/pnv.h (revision 4e6b1384)
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 struct PnvChip {
42     /*< private >*/
43     SysBusDevice parent_obj;
44 
45     /*< public >*/
46     uint32_t     chip_id;
47     uint64_t     ram_start;
48     uint64_t     ram_size;
49 
50     uint32_t     nr_cores;
51     uint32_t     nr_threads;
52     uint64_t     cores_mask;
53     PnvCore      **cores;
54 
55     MemoryRegion xscom_mmio;
56     MemoryRegion xscom;
57     AddressSpace xscom_as;
58 
59     gchar        *dt_isa_nodename;
60 } PnvChip;
61 
62 #define TYPE_PNV8_CHIP "pnv8-chip"
63 #define PNV8_CHIP(obj) OBJECT_CHECK(Pnv8Chip, (obj), TYPE_PNV8_CHIP)
64 
65 typedef struct Pnv8Chip {
66     /*< private >*/
67     PnvChip      parent_obj;
68 
69     /*< public >*/
70     MemoryRegion icp_mmio;
71 
72     PnvLpcController lpc;
73     Pnv8Psi      psi;
74     PnvOCC       occ;
75     PnvHomer     homer;
76 
77     XICSFabric    *xics;
78 } Pnv8Chip;
79 
80 #define TYPE_PNV9_CHIP "pnv9-chip"
81 #define PNV9_CHIP(obj) OBJECT_CHECK(Pnv9Chip, (obj), TYPE_PNV9_CHIP)
82 
83 typedef struct Pnv9Chip {
84     /*< private >*/
85     PnvChip      parent_obj;
86 
87     /*< public >*/
88     PnvXive      xive;
89     Pnv9Psi      psi;
90     PnvLpcController lpc;
91     PnvOCC       occ;
92     PnvHomer     homer;
93 
94     uint32_t     nr_quads;
95     PnvQuad      *quads;
96 } Pnv9Chip;
97 
98 /*
99  * A SMT8 fused core is a pair of SMT4 cores.
100  */
101 #define PNV9_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
102 #define PNV9_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
103 
104 #define TYPE_PNV10_CHIP "pnv10-chip"
105 #define PNV10_CHIP(obj) OBJECT_CHECK(Pnv10Chip, (obj), TYPE_PNV10_CHIP)
106 
107 typedef struct Pnv10Chip {
108     /*< private >*/
109     PnvChip      parent_obj;
110 
111     /*< public >*/
112     Pnv9Psi      psi;
113     PnvLpcController lpc;
114 } Pnv10Chip;
115 
116 typedef struct PnvChipClass {
117     /*< private >*/
118     SysBusDeviceClass parent_class;
119 
120     /*< public >*/
121     uint64_t     chip_cfam_id;
122     uint64_t     cores_mask;
123 
124     DeviceRealize parent_realize;
125 
126     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
127     void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
128     void (*intc_reset)(PnvChip *chip, PowerPCCPU *cpu);
129     void (*intc_destroy)(PnvChip *chip, PowerPCCPU *cpu);
130     void (*intc_print_info)(PnvChip *chip, PowerPCCPU *cpu, Monitor *mon);
131     ISABus *(*isa_create)(PnvChip *chip, Error **errp);
132     void (*dt_populate)(PnvChip *chip, void *fdt);
133     void (*pic_print_info)(PnvChip *chip, Monitor *mon);
134     uint64_t (*xscom_core_base)(PnvChip *chip, uint32_t core_id);
135     uint32_t (*xscom_pcba)(PnvChip *chip, uint64_t addr);
136 } PnvChipClass;
137 
138 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
139 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
140 
141 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
142 #define PNV_CHIP_POWER8E(obj) \
143     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
144 
145 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
146 #define PNV_CHIP_POWER8(obj) \
147     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
148 
149 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
150 #define PNV_CHIP_POWER8NVL(obj) \
151     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
152 
153 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
154 #define PNV_CHIP_POWER9(obj) \
155     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
156 
157 #define TYPE_PNV_CHIP_POWER10 PNV_CHIP_TYPE_NAME("power10_v1.0")
158 #define PNV_CHIP_POWER10(obj) \
159     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER10)
160 
161 /*
162  * This generates a HW chip id depending on an index, as found on a
163  * two socket system with dual chip modules :
164  *
165  *    0x0, 0x1, 0x10, 0x11
166  *
167  * 4 chips should be the maximum
168  *
169  * TODO: use a machine property to define the chip ids
170  */
171 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
172 
173 /*
174  * Converts back a HW chip id to an index. This is useful to calculate
175  * the MMIO addresses of some controllers which depend on the chip id.
176  */
177 #define PNV_CHIP_INDEX(chip)                                    \
178     (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
179 
180 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir);
181 
182 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
183 #define PNV_MACHINE(obj) \
184     OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
185 #define PNV_MACHINE_GET_CLASS(obj) \
186     OBJECT_GET_CLASS(PnvMachineClass, obj, TYPE_PNV_MACHINE)
187 #define PNV_MACHINE_CLASS(klass) \
188     OBJECT_CLASS_CHECK(PnvMachineClass, klass, TYPE_PNV_MACHINE)
189 
190 typedef struct PnvMachineState PnvMachineState;
191 
192 typedef struct PnvMachineClass {
193     /*< private >*/
194     MachineClass parent_class;
195 
196     /*< public >*/
197     const char *compat;
198     int compat_size;
199 
200     void (*dt_power_mgt)(PnvMachineState *pnv, void *fdt);
201 } PnvMachineClass;
202 
203 struct PnvMachineState {
204     /*< private >*/
205     MachineState parent_obj;
206 
207     uint32_t     initrd_base;
208     long         initrd_size;
209 
210     uint32_t     num_chips;
211     PnvChip      **chips;
212 
213     ISABus       *isa_bus;
214     uint32_t     cpld_irqstate;
215 
216     IPMIBmc      *bmc;
217     Notifier     powerdown_notifier;
218 
219     PnvPnor      *pnor;
220 };
221 
222 #define PNV_FDT_ADDR          0x01000000
223 #define PNV_TIMEBASE_FREQ     512000000ULL
224 
225 /*
226  * BMC helpers
227  */
228 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
229 void pnv_bmc_powerdown(IPMIBmc *bmc);
230 IPMIBmc *pnv_bmc_create(PnvPnor *pnor);
231 
232 /*
233  * POWER8 MMIO base addresses
234  */
235 #define PNV_XSCOM_SIZE        0x800000000ull
236 #define PNV_XSCOM_BASE(chip)                                            \
237     (0x0003fc0000000000ull + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
238 
239 #define PNV_OCC_COMMON_AREA_SIZE    0x0000000000800000ull
240 #define PNV_OCC_COMMON_AREA_BASE    0x7fff800000ull
241 #define PNV_OCC_SENSOR_BASE(chip)   (PNV_OCC_COMMON_AREA_BASE + \
242     PNV_OCC_SENSOR_DATA_BLOCK_BASE(PNV_CHIP_INDEX(chip)))
243 
244 #define PNV_HOMER_SIZE              0x0000000000400000ull
245 #define PNV_HOMER_BASE(chip)                                            \
246     (0x7ffd800000ull + ((uint64_t)PNV_CHIP_INDEX(chip)) * PNV_HOMER_SIZE)
247 
248 
249 /*
250  * XSCOM 0x20109CA defines the ICP BAR:
251  *
252  * 0:29   : bits 14 to 43 of address to define 1 MB region.
253  * 30     : 1 to enable ICP to receive loads/stores against its BAR region
254  * 31:63  : Constant 0
255  *
256  * Usually defined as :
257  *
258  *      0xffffe00200000000 -> 0x0003ffff80000000
259  *      0xffffe00600000000 -> 0x0003ffff80100000
260  *      0xffffe02200000000 -> 0x0003ffff80800000
261  *      0xffffe02600000000 -> 0x0003ffff80900000
262  */
263 #define PNV_ICP_SIZE         0x0000000000100000ull
264 #define PNV_ICP_BASE(chip)                                              \
265     (0x0003ffff80000000ull + (uint64_t) PNV_CHIP_INDEX(chip) * PNV_ICP_SIZE)
266 
267 
268 #define PNV_PSIHB_SIZE       0x0000000000100000ull
269 #define PNV_PSIHB_BASE(chip) \
270     (0x0003fffe80000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * PNV_PSIHB_SIZE)
271 
272 #define PNV_PSIHB_FSP_SIZE   0x0000000100000000ull
273 #define PNV_PSIHB_FSP_BASE(chip) \
274     (0x0003ffe000000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * \
275      PNV_PSIHB_FSP_SIZE)
276 
277 /*
278  * POWER9 MMIO base addresses
279  */
280 #define PNV9_CHIP_BASE(chip, base)   \
281     ((base) + ((uint64_t) (chip)->chip_id << 42))
282 
283 #define PNV9_XIVE_VC_SIZE            0x0000008000000000ull
284 #define PNV9_XIVE_VC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006010000000000ull)
285 
286 #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
287 #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
288 
289 #define PNV9_LPCM_SIZE               0x0000000100000000ull
290 #define PNV9_LPCM_BASE(chip)         PNV9_CHIP_BASE(chip, 0x0006030000000000ull)
291 
292 #define PNV9_PSIHB_SIZE              0x0000000000100000ull
293 #define PNV9_PSIHB_BASE(chip)        PNV9_CHIP_BASE(chip, 0x0006030203000000ull)
294 
295 #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
296 #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
297 
298 #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
299 #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
300 
301 #define PNV9_PSIHB_ESB_SIZE          0x0000000000010000ull
302 #define PNV9_PSIHB_ESB_BASE(chip)    PNV9_CHIP_BASE(chip, 0x00060302031c0000ull)
303 
304 #define PNV9_XSCOM_SIZE              0x0000000400000000ull
305 #define PNV9_XSCOM_BASE(chip)        PNV9_CHIP_BASE(chip, 0x00603fc00000000ull)
306 
307 #define PNV9_OCC_COMMON_AREA_SIZE    0x0000000000800000ull
308 #define PNV9_OCC_COMMON_AREA_BASE    0x203fff800000ull
309 #define PNV9_OCC_SENSOR_BASE(chip)   (PNV9_OCC_COMMON_AREA_BASE +       \
310     PNV_OCC_SENSOR_DATA_BLOCK_BASE(PNV_CHIP_INDEX(chip)))
311 
312 #define PNV9_HOMER_SIZE              0x0000000000400000ull
313 #define PNV9_HOMER_BASE(chip)                                           \
314     (0x203ffd800000ull + ((uint64_t)PNV_CHIP_INDEX(chip)) * PNV9_HOMER_SIZE)
315 
316 /*
317  * POWER10 MMIO base addresses - 16TB stride per chip
318  */
319 #define PNV10_CHIP_BASE(chip, base)   \
320     ((base) + ((uint64_t) (chip)->chip_id << 44))
321 
322 #define PNV10_XSCOM_SIZE             0x0000000400000000ull
323 #define PNV10_XSCOM_BASE(chip)       PNV10_CHIP_BASE(chip, 0x00603fc00000000ull)
324 
325 #define PNV10_LPCM_SIZE             0x0000000100000000ull
326 #define PNV10_LPCM_BASE(chip)       PNV10_CHIP_BASE(chip, 0x0006030000000000ull)
327 
328 #define PNV10_PSIHB_ESB_SIZE        0x0000000000100000ull
329 #define PNV10_PSIHB_ESB_BASE(chip)  PNV10_CHIP_BASE(chip, 0x0006030202000000ull)
330 
331 #define PNV10_PSIHB_SIZE            0x0000000000100000ull
332 #define PNV10_PSIHB_BASE(chip)      PNV10_CHIP_BASE(chip, 0x0006030203000000ull)
333 
334 #endif /* PPC_PNV_H */
335