xref: /openbmc/qemu/include/hw/ppc/pnv.h (revision c29a0b0f)
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_psi.h"
28 #include "hw/ppc/pnv_occ.h"
29 #include "hw/ppc/pnv_xive.h"
30 #include "hw/ppc/pnv_core.h"
31 
32 #define TYPE_PNV_CHIP "pnv-chip"
33 #define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
34 #define PNV_CHIP_CLASS(klass) \
35      OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
36 #define PNV_CHIP_GET_CLASS(obj) \
37      OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
38 
39 typedef enum PnvChipType {
40     PNV_CHIP_POWER8E,     /* AKA Murano (default) */
41     PNV_CHIP_POWER8,      /* AKA Venice */
42     PNV_CHIP_POWER8NVL,   /* AKA Naples */
43     PNV_CHIP_POWER9,      /* AKA Nimbus */
44 } PnvChipType;
45 
46 typedef struct PnvChip {
47     /*< private >*/
48     SysBusDevice parent_obj;
49 
50     /*< public >*/
51     uint32_t     chip_id;
52     uint64_t     ram_start;
53     uint64_t     ram_size;
54 
55     uint32_t     nr_cores;
56     uint64_t     cores_mask;
57     void         *cores;
58 
59     MemoryRegion xscom_mmio;
60     MemoryRegion xscom;
61     AddressSpace xscom_as;
62 
63     gchar        *dt_isa_nodename;
64 } PnvChip;
65 
66 #define TYPE_PNV8_CHIP "pnv8-chip"
67 #define PNV8_CHIP(obj) OBJECT_CHECK(Pnv8Chip, (obj), TYPE_PNV8_CHIP)
68 
69 typedef struct Pnv8Chip {
70     /*< private >*/
71     PnvChip      parent_obj;
72 
73     /*< public >*/
74     MemoryRegion icp_mmio;
75 
76     PnvLpcController lpc;
77     Pnv8Psi      psi;
78     PnvOCC       occ;
79 } Pnv8Chip;
80 
81 #define TYPE_PNV9_CHIP "pnv9-chip"
82 #define PNV9_CHIP(obj) OBJECT_CHECK(Pnv9Chip, (obj), TYPE_PNV9_CHIP)
83 
84 typedef struct Pnv9Chip {
85     /*< private >*/
86     PnvChip      parent_obj;
87 
88     /*< public >*/
89     PnvXive      xive;
90     Pnv9Psi      psi;
91     PnvLpcController lpc;
92     PnvOCC       occ;
93 
94     uint32_t     nr_quads;
95     PnvQuad      *quads;
96 } Pnv9Chip;
97 
98 typedef struct PnvChipClass {
99     /*< private >*/
100     SysBusDeviceClass parent_class;
101 
102     /*< public >*/
103     PnvChipType  chip_type;
104     uint64_t     chip_cfam_id;
105     uint64_t     cores_mask;
106 
107     DeviceRealize parent_realize;
108 
109     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
110     void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
111     ISABus *(*isa_create)(PnvChip *chip, Error **errp);
112     void (*dt_populate)(PnvChip *chip, void *fdt);
113     void (*pic_print_info)(PnvChip *chip, Monitor *mon);
114 } PnvChipClass;
115 
116 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
117 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
118 
119 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
120 #define PNV_CHIP_POWER8E(obj) \
121     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
122 
123 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
124 #define PNV_CHIP_POWER8(obj) \
125     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
126 
127 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
128 #define PNV_CHIP_POWER8NVL(obj) \
129     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
130 
131 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
132 #define PNV_CHIP_POWER9(obj) \
133     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
134 
135 /*
136  * This generates a HW chip id depending on an index, as found on a
137  * two socket system with dual chip modules :
138  *
139  *    0x0, 0x1, 0x10, 0x11
140  *
141  * 4 chips should be the maximum
142  *
143  * TODO: use a machine property to define the chip ids
144  */
145 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
146 
147 /*
148  * Converts back a HW chip id to an index. This is useful to calculate
149  * the MMIO addresses of some controllers which depend on the chip id.
150  */
151 #define PNV_CHIP_INDEX(chip)                                    \
152     (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
153 
154 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
155 #define PNV_MACHINE(obj) \
156     OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
157 
158 typedef struct PnvMachineState {
159     /*< private >*/
160     MachineState parent_obj;
161 
162     uint32_t     initrd_base;
163     long         initrd_size;
164 
165     uint32_t     num_chips;
166     PnvChip      **chips;
167 
168     ISABus       *isa_bus;
169     uint32_t     cpld_irqstate;
170 
171     IPMIBmc      *bmc;
172     Notifier     powerdown_notifier;
173 } PnvMachineState;
174 
175 static inline bool pnv_chip_is_power9(const PnvChip *chip)
176 {
177     return PNV_CHIP_GET_CLASS(chip)->chip_type == PNV_CHIP_POWER9;
178 }
179 
180 static inline bool pnv_is_power9(PnvMachineState *pnv)
181 {
182     return pnv_chip_is_power9(pnv->chips[0]);
183 }
184 
185 #define PNV_FDT_ADDR          0x01000000
186 #define PNV_TIMEBASE_FREQ     512000000ULL
187 
188 /*
189  * BMC helpers
190  */
191 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
192 void pnv_bmc_powerdown(IPMIBmc *bmc);
193 
194 /*
195  * POWER8 MMIO base addresses
196  */
197 #define PNV_XSCOM_SIZE        0x800000000ull
198 #define PNV_XSCOM_BASE(chip)                                            \
199     (0x0003fc0000000000ull + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
200 
201 /*
202  * XSCOM 0x20109CA defines the ICP BAR:
203  *
204  * 0:29   : bits 14 to 43 of address to define 1 MB region.
205  * 30     : 1 to enable ICP to receive loads/stores against its BAR region
206  * 31:63  : Constant 0
207  *
208  * Usually defined as :
209  *
210  *      0xffffe00200000000 -> 0x0003ffff80000000
211  *      0xffffe00600000000 -> 0x0003ffff80100000
212  *      0xffffe02200000000 -> 0x0003ffff80800000
213  *      0xffffe02600000000 -> 0x0003ffff80900000
214  */
215 #define PNV_ICP_SIZE         0x0000000000100000ull
216 #define PNV_ICP_BASE(chip)                                              \
217     (0x0003ffff80000000ull + (uint64_t) PNV_CHIP_INDEX(chip) * PNV_ICP_SIZE)
218 
219 
220 #define PNV_PSIHB_SIZE       0x0000000000100000ull
221 #define PNV_PSIHB_BASE(chip) \
222     (0x0003fffe80000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * PNV_PSIHB_SIZE)
223 
224 #define PNV_PSIHB_FSP_SIZE   0x0000000100000000ull
225 #define PNV_PSIHB_FSP_BASE(chip) \
226     (0x0003ffe000000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * \
227      PNV_PSIHB_FSP_SIZE)
228 
229 /*
230  * POWER9 MMIO base addresses
231  */
232 #define PNV9_CHIP_BASE(chip, base)   \
233     ((base) + ((uint64_t) (chip)->chip_id << 42))
234 
235 #define PNV9_XIVE_VC_SIZE            0x0000008000000000ull
236 #define PNV9_XIVE_VC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006010000000000ull)
237 
238 #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
239 #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
240 
241 #define PNV9_LPCM_SIZE               0x0000000100000000ull
242 #define PNV9_LPCM_BASE(chip)         PNV9_CHIP_BASE(chip, 0x0006030000000000ull)
243 
244 #define PNV9_PSIHB_SIZE              0x0000000000100000ull
245 #define PNV9_PSIHB_BASE(chip)        PNV9_CHIP_BASE(chip, 0x0006030203000000ull)
246 
247 #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
248 #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
249 
250 #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
251 #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
252 
253 #define PNV9_PSIHB_ESB_SIZE          0x0000000000010000ull
254 #define PNV9_PSIHB_ESB_BASE(chip)    PNV9_CHIP_BASE(chip, 0x00060302031c0000ull)
255 
256 #define PNV9_XSCOM_SIZE              0x0000000400000000ull
257 #define PNV9_XSCOM_BASE(chip)        PNV9_CHIP_BASE(chip, 0x00603fc00000000ull)
258 
259 #endif /* PPC_PNV_H */
260