xref: /openbmc/qemu/include/hw/ppc/pnv.h (revision ca693d1c)
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     hwaddr       xscom_base;
60     MemoryRegion xscom_mmio;
61     MemoryRegion xscom;
62     AddressSpace xscom_as;
63 
64     gchar        *dt_isa_nodename;
65 } PnvChip;
66 
67 #define TYPE_PNV8_CHIP "pnv8-chip"
68 #define PNV8_CHIP(obj) OBJECT_CHECK(Pnv8Chip, (obj), TYPE_PNV8_CHIP)
69 
70 typedef struct Pnv8Chip {
71     /*< private >*/
72     PnvChip      parent_obj;
73 
74     /*< public >*/
75     MemoryRegion icp_mmio;
76 
77     PnvLpcController lpc;
78     Pnv8Psi      psi;
79     PnvOCC       occ;
80 } Pnv8Chip;
81 
82 #define TYPE_PNV9_CHIP "pnv9-chip"
83 #define PNV9_CHIP(obj) OBJECT_CHECK(Pnv9Chip, (obj), TYPE_PNV9_CHIP)
84 
85 typedef struct Pnv9Chip {
86     /*< private >*/
87     PnvChip      parent_obj;
88 
89     /*< public >*/
90     PnvXive      xive;
91     Pnv9Psi      psi;
92     PnvLpcController lpc;
93     PnvOCC       occ;
94 
95     uint32_t     nr_quads;
96     PnvQuad      *quads;
97 } Pnv9Chip;
98 
99 typedef struct PnvChipClass {
100     /*< private >*/
101     SysBusDeviceClass parent_class;
102 
103     /*< public >*/
104     PnvChipType  chip_type;
105     uint64_t     chip_cfam_id;
106     uint64_t     cores_mask;
107 
108     hwaddr       xscom_base;
109 
110     DeviceRealize parent_realize;
111 
112     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
113     void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
114     ISABus *(*isa_create)(PnvChip *chip, Error **errp);
115     void (*dt_populate)(PnvChip *chip, void *fdt);
116     void (*pic_print_info)(PnvChip *chip, Monitor *mon);
117 } PnvChipClass;
118 
119 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
120 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
121 
122 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
123 #define PNV_CHIP_POWER8E(obj) \
124     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
125 
126 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
127 #define PNV_CHIP_POWER8(obj) \
128     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
129 
130 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
131 #define PNV_CHIP_POWER8NVL(obj) \
132     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
133 
134 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
135 #define PNV_CHIP_POWER9(obj) \
136     OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
137 
138 /*
139  * This generates a HW chip id depending on an index, as found on a
140  * two socket system with dual chip modules :
141  *
142  *    0x0, 0x1, 0x10, 0x11
143  *
144  * 4 chips should be the maximum
145  *
146  * TODO: use a machine property to define the chip ids
147  */
148 #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
149 
150 /*
151  * Converts back a HW chip id to an index. This is useful to calculate
152  * the MMIO addresses of some controllers which depend on the chip id.
153  */
154 #define PNV_CHIP_INDEX(chip)                                    \
155     (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
156 
157 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
158 #define PNV_MACHINE(obj) \
159     OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
160 
161 typedef struct PnvMachineState {
162     /*< private >*/
163     MachineState parent_obj;
164 
165     uint32_t     initrd_base;
166     long         initrd_size;
167 
168     uint32_t     num_chips;
169     PnvChip      **chips;
170 
171     ISABus       *isa_bus;
172     uint32_t     cpld_irqstate;
173 
174     IPMIBmc      *bmc;
175     Notifier     powerdown_notifier;
176 } PnvMachineState;
177 
178 static inline bool pnv_chip_is_power9(const PnvChip *chip)
179 {
180     return PNV_CHIP_GET_CLASS(chip)->chip_type == PNV_CHIP_POWER9;
181 }
182 
183 static inline bool pnv_is_power9(PnvMachineState *pnv)
184 {
185     return pnv_chip_is_power9(pnv->chips[0]);
186 }
187 
188 #define PNV_FDT_ADDR          0x01000000
189 #define PNV_TIMEBASE_FREQ     512000000ULL
190 
191 /*
192  * BMC helpers
193  */
194 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
195 void pnv_bmc_powerdown(IPMIBmc *bmc);
196 
197 /*
198  * POWER8 MMIO base addresses
199  */
200 #define PNV_XSCOM_SIZE        0x800000000ull
201 #define PNV_XSCOM_BASE(chip)                                            \
202     (chip->xscom_base + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
203 
204 /*
205  * XSCOM 0x20109CA defines the ICP BAR:
206  *
207  * 0:29   : bits 14 to 43 of address to define 1 MB region.
208  * 30     : 1 to enable ICP to receive loads/stores against its BAR region
209  * 31:63  : Constant 0
210  *
211  * Usually defined as :
212  *
213  *      0xffffe00200000000 -> 0x0003ffff80000000
214  *      0xffffe00600000000 -> 0x0003ffff80100000
215  *      0xffffe02200000000 -> 0x0003ffff80800000
216  *      0xffffe02600000000 -> 0x0003ffff80900000
217  */
218 #define PNV_ICP_SIZE         0x0000000000100000ull
219 #define PNV_ICP_BASE(chip)                                              \
220     (0x0003ffff80000000ull + (uint64_t) PNV_CHIP_INDEX(chip) * PNV_ICP_SIZE)
221 
222 
223 #define PNV_PSIHB_SIZE       0x0000000000100000ull
224 #define PNV_PSIHB_BASE(chip) \
225     (0x0003fffe80000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * PNV_PSIHB_SIZE)
226 
227 #define PNV_PSIHB_FSP_SIZE   0x0000000100000000ull
228 #define PNV_PSIHB_FSP_BASE(chip) \
229     (0x0003ffe000000000ull + (uint64_t)PNV_CHIP_INDEX(chip) * \
230      PNV_PSIHB_FSP_SIZE)
231 
232 /*
233  * POWER9 MMIO base addresses
234  */
235 #define PNV9_CHIP_BASE(chip, base)   \
236     ((base) + ((uint64_t) (chip)->chip_id << 42))
237 
238 #define PNV9_XIVE_VC_SIZE            0x0000008000000000ull
239 #define PNV9_XIVE_VC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006010000000000ull)
240 
241 #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
242 #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
243 
244 #define PNV9_LPCM_SIZE               0x0000000100000000ull
245 #define PNV9_LPCM_BASE(chip)         PNV9_CHIP_BASE(chip, 0x0006030000000000ull)
246 
247 #define PNV9_PSIHB_SIZE              0x0000000000100000ull
248 #define PNV9_PSIHB_BASE(chip)        PNV9_CHIP_BASE(chip, 0x0006030203000000ull)
249 
250 #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
251 #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
252 
253 #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
254 #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
255 
256 #define PNV9_PSIHB_ESB_SIZE          0x0000000000010000ull
257 #define PNV9_PSIHB_ESB_BASE(chip)    PNV9_CHIP_BASE(chip, 0x00060302031c0000ull)
258 
259 #endif /* PPC_PNV_H */
260