xref: /openbmc/qemu/include/hw/ppc/pnv.h (revision 2a53cff4)
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 #include "hw/ppc/pnv_core.h"
30 
31 #define TYPE_PNV_CHIP "pnv-chip"
32 #define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
33 #define PNV_CHIP_CLASS(klass) \
34      OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
35 #define PNV_CHIP_GET_CLASS(obj) \
36      OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
37 
38 typedef enum PnvChipType {
39     PNV_CHIP_POWER8E,     /* AKA Murano (default) */
40     PNV_CHIP_POWER8,      /* AKA Venice */
41     PNV_CHIP_POWER8NVL,   /* AKA Naples */
42     PNV_CHIP_POWER9,      /* AKA Nimbus */
43 } PnvChipType;
44 
45 typedef struct PnvChip {
46     /*< private >*/
47     SysBusDevice parent_obj;
48 
49     /*< public >*/
50     uint32_t     chip_id;
51     uint64_t     ram_start;
52     uint64_t     ram_size;
53 
54     uint32_t     nr_cores;
55     uint64_t     cores_mask;
56     void         *cores;
57 
58     hwaddr       xscom_base;
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     hwaddr       xscom_base;
108 
109     DeviceRealize parent_realize;
110 
111     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
112     void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
113     ISABus *(*isa_create)(PnvChip *chip, Error **errp);
114     void (*dt_populate)(PnvChip *chip, void *fdt);
115     void (*pic_print_info)(PnvChip *chip, Monitor *mon);
116 } PnvChipClass;
117 
118 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
119 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
120 
121 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
122 #define PNV_CHIP_POWER8E(obj) \
123     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
124 
125 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
126 #define PNV_CHIP_POWER8(obj) \
127     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
128 
129 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
130 #define PNV_CHIP_POWER8NVL(obj) \
131     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
132 
133 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
134 #define PNV_CHIP_POWER9(obj) \
135     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
136 
137 /*
138  * This generates a HW chip id depending on an index, as found on a
139  * two socket system with dual chip modules :
140  *
141  *    0x0, 0x1, 0x10, 0x11
142  *
143  * 4 chips should be the maximum
144  *
145  * TODO: use a machine property to define the chip ids
146  */
147 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
148 
149 /*
150  * Converts back a HW chip id to an index. This is useful to calculate
151  * the MMIO addresses of some controllers which depend on the chip id.
152  */
153 #define PNV_CHIP_INDEX(chip)                                    \
154     (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
155 
156 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
157 #define PNV_MACHINE(obj) \
158     OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
159 
160 typedef struct PnvMachineState {
161     /*< private >*/
162     MachineState parent_obj;
163 
164     uint32_t     initrd_base;
165     long         initrd_size;
166 
167     uint32_t     num_chips;
168     PnvChip      **chips;
169 
170     ISABus       *isa_bus;
171     uint32_t     cpld_irqstate;
172 
173     IPMIBmc      *bmc;
174     Notifier     powerdown_notifier;
175 } PnvMachineState;
176 
177 static inline bool pnv_chip_is_power9(const PnvChip *chip)
178 {
179     return PNV_CHIP_GET_CLASS(chip)->chip_type == PNV_CHIP_POWER9;
180 }
181 
182 static inline bool pnv_is_power9(PnvMachineState *pnv)
183 {
184     return pnv_chip_is_power9(pnv->chips[0]);
185 }
186 
187 #define PNV_FDT_ADDR          0x01000000
188 #define PNV_TIMEBASE_FREQ     512000000ULL
189 
190 /*
191  * BMC helpers
192  */
193 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
194 void pnv_bmc_powerdown(IPMIBmc *bmc);
195 
196 /*
197  * POWER8 MMIO base addresses
198  */
199 #define PNV_XSCOM_SIZE        0x800000000ull
200 #define PNV_XSCOM_BASE(chip)                                            \
201     (chip->xscom_base + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
202 
203 /*
204  * XSCOM 0x20109CA defines the ICP BAR:
205  *
206  * 0:29   : bits 14 to 43 of address to define 1 MB region.
207  * 30     : 1 to enable ICP to receive loads/stores against its BAR region
208  * 31:63  : Constant 0
209  *
210  * Usually defined as :
211  *
212  *      0xffffe00200000000 -> 0x0003ffff80000000
213  *      0xffffe00600000000 -> 0x0003ffff80100000
214  *      0xffffe02200000000 -> 0x0003ffff80800000
215  *      0xffffe02600000000 -> 0x0003ffff80900000
216  */
217 #define PNV_ICP_SIZE         0x0000000000100000ull
218 #define PNV_ICP_BASE(chip)                                              \
219     (0x0003ffff80000000ull + (uint64_t) PNV_CHIP_INDEX(chip) * PNV_ICP_SIZE)
220 
221 
222 #define PNV_PSIHB_SIZE       0x0000000000100000ull
223 #define PNV_PSIHB_BASE(chip) \
224     (0x0003fffe80000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * PNV_PSIHB_SIZE)
225 
226 #define PNV_PSIHB_FSP_SIZE   0x0000000100000000ull
227 #define PNV_PSIHB_FSP_BASE(chip) \
228     (0x0003ffe000000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * \
229      PNV_PSIHB_FSP_SIZE)
230 
231 /*
232  * POWER9 MMIO base addresses
233  */
234 #define PNV9_CHIP_BASE(chip, base)   \
235     ((base) + ((uint64_t) (chip)->chip_id << 42))
236 
237 #define PNV9_XIVE_VC_SIZE            0x0000008000000000ull
238 #define PNV9_XIVE_VC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006010000000000ull)
239 
240 #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
241 #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
242 
243 #define PNV9_LPCM_SIZE               0x0000000100000000ull
244 #define PNV9_LPCM_BASE(chip)         PNV9_CHIP_BASE(chip, 0x0006030000000000ull)
245 
246 #define PNV9_PSIHB_SIZE              0x0000000000100000ull
247 #define PNV9_PSIHB_BASE(chip)        PNV9_CHIP_BASE(chip, 0x0006030203000000ull)
248 
249 #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
250 #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
251 
252 #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
253 #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
254 
255 #define PNV9_PSIHB_ESB_SIZE          0x0000000000010000ull
256 #define PNV9_PSIHB_ESB_BASE(chip)    PNV9_CHIP_BASE(chip, 0x00060302031c0000ull)
257 
258 #endif /* _PPC_PNV_H */
259