semihosting: Split out common-semi-target.h
[qemu/rayw.git] / hw / ppc / pnv.c
blob7c08a78d6ced49ff16e76e8b9ab7911f656e28f9
1 /*
2 * QEMU PowerPC PowerNV machine model
4 * Copyright (c) 2016, IBM Corporation.
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 2.1 of the License, or (at your option) any later version.
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.
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/>.
20 #include "qemu/osdep.h"
21 #include "qemu/datadir.h"
22 #include "qemu/units.h"
23 #include "qemu/cutils.h"
24 #include "qapi/error.h"
25 #include "sysemu/qtest.h"
26 #include "sysemu/sysemu.h"
27 #include "sysemu/numa.h"
28 #include "sysemu/reset.h"
29 #include "sysemu/runstate.h"
30 #include "sysemu/cpus.h"
31 #include "sysemu/device_tree.h"
32 #include "sysemu/hw_accel.h"
33 #include "target/ppc/cpu.h"
34 #include "hw/ppc/fdt.h"
35 #include "hw/ppc/ppc.h"
36 #include "hw/ppc/pnv.h"
37 #include "hw/ppc/pnv_core.h"
38 #include "hw/loader.h"
39 #include "hw/nmi.h"
40 #include "qapi/visitor.h"
41 #include "monitor/monitor.h"
42 #include "hw/intc/intc.h"
43 #include "hw/ipmi/ipmi.h"
44 #include "target/ppc/mmu-hash64.h"
45 #include "hw/pci/msi.h"
47 #include "hw/ppc/xics.h"
48 #include "hw/qdev-properties.h"
49 #include "hw/ppc/pnv_xscom.h"
50 #include "hw/ppc/pnv_pnor.h"
52 #include "hw/isa/isa.h"
53 #include "hw/char/serial.h"
54 #include "hw/rtc/mc146818rtc.h"
56 #include <libfdt.h>
58 #define FDT_MAX_SIZE (1 * MiB)
60 #define FW_FILE_NAME "skiboot.lid"
61 #define FW_LOAD_ADDR 0x0
62 #define FW_MAX_SIZE (16 * MiB)
64 #define KERNEL_LOAD_ADDR 0x20000000
65 #define KERNEL_MAX_SIZE (128 * MiB)
66 #define INITRD_LOAD_ADDR 0x28000000
67 #define INITRD_MAX_SIZE (128 * MiB)
69 static const char *pnv_chip_core_typename(const PnvChip *o)
71 const char *chip_type = object_class_get_name(object_get_class(OBJECT(o)));
72 int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX);
73 char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type);
74 const char *core_type = object_class_get_name(object_class_by_name(s));
75 g_free(s);
76 return core_type;
80 * On Power Systems E880 (POWER8), the max cpus (threads) should be :
81 * 4 * 4 sockets * 12 cores * 8 threads = 1536
82 * Let's make it 2^11
84 #define MAX_CPUS 2048
87 * Memory nodes are created by hostboot, one for each range of memory
88 * that has a different "affinity". In practice, it means one range
89 * per chip.
91 static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size)
93 char *mem_name;
94 uint64_t mem_reg_property[2];
95 int off;
97 mem_reg_property[0] = cpu_to_be64(start);
98 mem_reg_property[1] = cpu_to_be64(size);
100 mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start);
101 off = fdt_add_subnode(fdt, 0, mem_name);
102 g_free(mem_name);
104 _FDT((fdt_setprop_string(fdt, off, "device_type", "memory")));
105 _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property,
106 sizeof(mem_reg_property))));
107 _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id)));
110 static int get_cpus_node(void *fdt)
112 int cpus_offset = fdt_path_offset(fdt, "/cpus");
114 if (cpus_offset < 0) {
115 cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
116 if (cpus_offset) {
117 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1)));
118 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0)));
121 _FDT(cpus_offset);
122 return cpus_offset;
126 * The PowerNV cores (and threads) need to use real HW ids and not an
127 * incremental index like it has been done on other platforms. This HW
128 * id is stored in the CPU PIR, it is used to create cpu nodes in the
129 * device tree, used in XSCOM to address cores and in interrupt
130 * servers.
132 static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt)
134 PowerPCCPU *cpu = pc->threads[0];
135 CPUState *cs = CPU(cpu);
136 DeviceClass *dc = DEVICE_GET_CLASS(cs);
137 int smt_threads = CPU_CORE(pc)->nr_threads;
138 CPUPPCState *env = &cpu->env;
139 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
140 uint32_t servers_prop[smt_threads];
141 int i;
142 uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
143 0xffffffff, 0xffffffff};
144 uint32_t tbfreq = PNV_TIMEBASE_FREQ;
145 uint32_t cpufreq = 1000000000;
146 uint32_t page_sizes_prop[64];
147 size_t page_sizes_prop_size;
148 const uint8_t pa_features[] = { 24, 0,
149 0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0,
150 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
151 0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
152 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 };
153 int offset;
154 char *nodename;
155 int cpus_offset = get_cpus_node(fdt);
157 nodename = g_strdup_printf("%s@%x", dc->fw_name, pc->pir);
158 offset = fdt_add_subnode(fdt, cpus_offset, nodename);
159 _FDT(offset);
160 g_free(nodename);
162 _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id)));
164 _FDT((fdt_setprop_cell(fdt, offset, "reg", pc->pir)));
165 _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pc->pir)));
166 _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu")));
168 _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR])));
169 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size",
170 env->dcache_line_size)));
171 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size",
172 env->dcache_line_size)));
173 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size",
174 env->icache_line_size)));
175 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size",
176 env->icache_line_size)));
178 if (pcc->l1_dcache_size) {
179 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size",
180 pcc->l1_dcache_size)));
181 } else {
182 warn_report("Unknown L1 dcache size for cpu");
184 if (pcc->l1_icache_size) {
185 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size",
186 pcc->l1_icache_size)));
187 } else {
188 warn_report("Unknown L1 icache size for cpu");
191 _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq)));
192 _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq)));
193 _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size",
194 cpu->hash64_opts->slb_size)));
195 _FDT((fdt_setprop_string(fdt, offset, "status", "okay")));
196 _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0)));
198 if (ppc_has_spr(cpu, SPR_PURR)) {
199 _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0)));
202 if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) {
203 _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes",
204 segs, sizeof(segs))));
208 * Advertise VMX/VSX (vector extensions) if available
209 * 0 / no property == no vector extensions
210 * 1 == VMX / Altivec available
211 * 2 == VSX available
213 if (env->insns_flags & PPC_ALTIVEC) {
214 uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1;
216 _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx)));
220 * Advertise DFP (Decimal Floating Point) if available
221 * 0 / no property == no DFP
222 * 1 == DFP available
224 if (env->insns_flags2 & PPC2_DFP) {
225 _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1)));
228 page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop,
229 sizeof(page_sizes_prop));
230 if (page_sizes_prop_size) {
231 _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes",
232 page_sizes_prop, page_sizes_prop_size)));
235 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features",
236 pa_features, sizeof(pa_features))));
238 /* Build interrupt servers properties */
239 for (i = 0; i < smt_threads; i++) {
240 servers_prop[i] = cpu_to_be32(pc->pir + i);
242 _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s",
243 servers_prop, sizeof(servers_prop))));
246 static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir,
247 uint32_t nr_threads)
249 uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12);
250 char *name;
251 const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp";
252 uint32_t irange[2], i, rsize;
253 uint64_t *reg;
254 int offset;
256 irange[0] = cpu_to_be32(pir);
257 irange[1] = cpu_to_be32(nr_threads);
259 rsize = sizeof(uint64_t) * 2 * nr_threads;
260 reg = g_malloc(rsize);
261 for (i = 0; i < nr_threads; i++) {
262 reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000));
263 reg[i * 2 + 1] = cpu_to_be64(0x1000);
266 name = g_strdup_printf("interrupt-controller@%"PRIX64, addr);
267 offset = fdt_add_subnode(fdt, 0, name);
268 _FDT(offset);
269 g_free(name);
271 _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat))));
272 _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize)));
273 _FDT((fdt_setprop_string(fdt, offset, "device_type",
274 "PowerPC-External-Interrupt-Presentation")));
275 _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0)));
276 _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges",
277 irange, sizeof(irange))));
278 _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1)));
279 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0)));
280 g_free(reg);
283 static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt)
285 static const char compat[] = "ibm,power8-xscom\0ibm,xscom";
286 int i;
288 pnv_dt_xscom(chip, fdt, 0,
289 cpu_to_be64(PNV_XSCOM_BASE(chip)),
290 cpu_to_be64(PNV_XSCOM_SIZE),
291 compat, sizeof(compat));
293 for (i = 0; i < chip->nr_cores; i++) {
294 PnvCore *pnv_core = chip->cores[i];
296 pnv_dt_core(chip, pnv_core, fdt);
298 /* Interrupt Control Presenters (ICP). One per core. */
299 pnv_dt_icp(chip, fdt, pnv_core->pir, CPU_CORE(pnv_core)->nr_threads);
302 if (chip->ram_size) {
303 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
307 static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt)
309 static const char compat[] = "ibm,power9-xscom\0ibm,xscom";
310 int i;
312 pnv_dt_xscom(chip, fdt, 0,
313 cpu_to_be64(PNV9_XSCOM_BASE(chip)),
314 cpu_to_be64(PNV9_XSCOM_SIZE),
315 compat, sizeof(compat));
317 for (i = 0; i < chip->nr_cores; i++) {
318 PnvCore *pnv_core = chip->cores[i];
320 pnv_dt_core(chip, pnv_core, fdt);
323 if (chip->ram_size) {
324 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
327 pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE);
330 static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt)
332 static const char compat[] = "ibm,power10-xscom\0ibm,xscom";
333 int i;
335 pnv_dt_xscom(chip, fdt, 0,
336 cpu_to_be64(PNV10_XSCOM_BASE(chip)),
337 cpu_to_be64(PNV10_XSCOM_SIZE),
338 compat, sizeof(compat));
340 for (i = 0; i < chip->nr_cores; i++) {
341 PnvCore *pnv_core = chip->cores[i];
343 pnv_dt_core(chip, pnv_core, fdt);
346 if (chip->ram_size) {
347 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
350 pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE);
353 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off)
355 uint32_t io_base = d->ioport_id;
356 uint32_t io_regs[] = {
357 cpu_to_be32(1),
358 cpu_to_be32(io_base),
359 cpu_to_be32(2)
361 char *name;
362 int node;
364 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
365 node = fdt_add_subnode(fdt, lpc_off, name);
366 _FDT(node);
367 g_free(name);
369 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
370 _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00")));
373 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off)
375 const char compatible[] = "ns16550\0pnpPNP,501";
376 uint32_t io_base = d->ioport_id;
377 uint32_t io_regs[] = {
378 cpu_to_be32(1),
379 cpu_to_be32(io_base),
380 cpu_to_be32(8)
382 uint32_t irq;
383 char *name;
384 int node;
386 irq = object_property_get_uint(OBJECT(d), "irq", &error_fatal);
388 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
389 node = fdt_add_subnode(fdt, lpc_off, name);
390 _FDT(node);
391 g_free(name);
393 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
394 _FDT((fdt_setprop(fdt, node, "compatible", compatible,
395 sizeof(compatible))));
397 _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200)));
398 _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200)));
399 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq)));
400 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
401 fdt_get_phandle(fdt, lpc_off))));
403 /* This is needed by Linux */
404 _FDT((fdt_setprop_string(fdt, node, "device_type", "serial")));
407 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off)
409 const char compatible[] = "bt\0ipmi-bt";
410 uint32_t io_base;
411 uint32_t io_regs[] = {
412 cpu_to_be32(1),
413 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */
414 cpu_to_be32(3)
416 uint32_t irq;
417 char *name;
418 int node;
420 io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal);
421 io_regs[1] = cpu_to_be32(io_base);
423 irq = object_property_get_int(OBJECT(d), "irq", &error_fatal);
425 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
426 node = fdt_add_subnode(fdt, lpc_off, name);
427 _FDT(node);
428 g_free(name);
430 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
431 _FDT((fdt_setprop(fdt, node, "compatible", compatible,
432 sizeof(compatible))));
434 /* Mark it as reserved to avoid Linux trying to claim it */
435 _FDT((fdt_setprop_string(fdt, node, "status", "reserved")));
436 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq)));
437 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
438 fdt_get_phandle(fdt, lpc_off))));
441 typedef struct ForeachPopulateArgs {
442 void *fdt;
443 int offset;
444 } ForeachPopulateArgs;
446 static int pnv_dt_isa_device(DeviceState *dev, void *opaque)
448 ForeachPopulateArgs *args = opaque;
449 ISADevice *d = ISA_DEVICE(dev);
451 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
452 pnv_dt_rtc(d, args->fdt, args->offset);
453 } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) {
454 pnv_dt_serial(d, args->fdt, args->offset);
455 } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) {
456 pnv_dt_ipmi_bt(d, args->fdt, args->offset);
457 } else {
458 error_report("unknown isa device %s@i%x", qdev_fw_name(dev),
459 d->ioport_id);
462 return 0;
466 * The default LPC bus of a multichip system is on chip 0. It's
467 * recognized by the firmware (skiboot) using a "primary" property.
469 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt)
471 int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename);
472 ForeachPopulateArgs args = {
473 .fdt = fdt,
474 .offset = isa_offset,
476 uint32_t phandle;
478 _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0)));
480 phandle = qemu_fdt_alloc_phandle(fdt);
481 assert(phandle > 0);
482 _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle)));
485 * ISA devices are not necessarily parented to the ISA bus so we
486 * can not use object_child_foreach()
488 qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL,
489 &args);
492 static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt)
494 int off;
496 off = fdt_add_subnode(fdt, 0, "ibm,opal");
497 off = fdt_add_subnode(fdt, off, "power-mgt");
499 _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000));
502 static void *pnv_dt_create(MachineState *machine)
504 PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine);
505 PnvMachineState *pnv = PNV_MACHINE(machine);
506 void *fdt;
507 char *buf;
508 int off;
509 int i;
511 fdt = g_malloc0(FDT_MAX_SIZE);
512 _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
514 /* /qemu node */
515 _FDT((fdt_add_subnode(fdt, 0, "qemu")));
517 /* Root node */
518 _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2)));
519 _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2)));
520 _FDT((fdt_setprop_string(fdt, 0, "model",
521 "IBM PowerNV (emulated by qemu)")));
522 _FDT((fdt_setprop(fdt, 0, "compatible", pmc->compat, pmc->compat_size)));
524 buf = qemu_uuid_unparse_strdup(&qemu_uuid);
525 _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf)));
526 if (qemu_uuid_set) {
527 _FDT((fdt_setprop_string(fdt, 0, "system-id", buf)));
529 g_free(buf);
531 off = fdt_add_subnode(fdt, 0, "chosen");
532 if (machine->kernel_cmdline) {
533 _FDT((fdt_setprop_string(fdt, off, "bootargs",
534 machine->kernel_cmdline)));
537 if (pnv->initrd_size) {
538 uint32_t start_prop = cpu_to_be32(pnv->initrd_base);
539 uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size);
541 _FDT((fdt_setprop(fdt, off, "linux,initrd-start",
542 &start_prop, sizeof(start_prop))));
543 _FDT((fdt_setprop(fdt, off, "linux,initrd-end",
544 &end_prop, sizeof(end_prop))));
547 /* Populate device tree for each chip */
548 for (i = 0; i < pnv->num_chips; i++) {
549 PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt);
552 /* Populate ISA devices on chip 0 */
553 pnv_dt_isa(pnv, fdt);
555 if (pnv->bmc) {
556 pnv_dt_bmc_sensors(pnv->bmc, fdt);
559 /* Create an extra node for power management on machines that support it */
560 if (pmc->dt_power_mgt) {
561 pmc->dt_power_mgt(pnv, fdt);
564 return fdt;
567 static void pnv_powerdown_notify(Notifier *n, void *opaque)
569 PnvMachineState *pnv = container_of(n, PnvMachineState, powerdown_notifier);
571 if (pnv->bmc) {
572 pnv_bmc_powerdown(pnv->bmc);
576 static void pnv_reset(MachineState *machine)
578 PnvMachineState *pnv = PNV_MACHINE(machine);
579 IPMIBmc *bmc;
580 void *fdt;
582 qemu_devices_reset();
585 * The machine should provide by default an internal BMC simulator.
586 * If not, try to use the BMC device that was provided on the command
587 * line.
589 bmc = pnv_bmc_find(&error_fatal);
590 if (!pnv->bmc) {
591 if (!bmc) {
592 if (!qtest_enabled()) {
593 warn_report("machine has no BMC device. Use '-device "
594 "ipmi-bmc-sim,id=bmc0 -device isa-ipmi-bt,bmc=bmc0,irq=10' "
595 "to define one");
597 } else {
598 pnv_bmc_set_pnor(bmc, pnv->pnor);
599 pnv->bmc = bmc;
603 fdt = pnv_dt_create(machine);
605 /* Pack resulting tree */
606 _FDT((fdt_pack(fdt)));
608 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt));
609 cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt));
611 g_free(fdt);
614 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp)
616 Pnv8Chip *chip8 = PNV8_CHIP(chip);
617 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_EXTERNAL);
619 qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq);
620 return pnv_lpc_isa_create(&chip8->lpc, true, errp);
623 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp)
625 Pnv8Chip *chip8 = PNV8_CHIP(chip);
626 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_LPC_I2C);
628 qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq);
629 return pnv_lpc_isa_create(&chip8->lpc, false, errp);
632 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp)
634 Pnv9Chip *chip9 = PNV9_CHIP(chip);
635 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip9->psi), PSIHB9_IRQ_LPCHC);
637 qdev_connect_gpio_out(DEVICE(&chip9->lpc), 0, irq);
638 return pnv_lpc_isa_create(&chip9->lpc, false, errp);
641 static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp)
643 Pnv10Chip *chip10 = PNV10_CHIP(chip);
644 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip10->psi), PSIHB9_IRQ_LPCHC);
646 qdev_connect_gpio_out(DEVICE(&chip10->lpc), 0, irq);
647 return pnv_lpc_isa_create(&chip10->lpc, false, errp);
650 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp)
652 return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp);
655 static int pnv_chip_power8_pic_print_info_child(Object *child, void *opaque)
657 Monitor *mon = opaque;
658 PnvPHB3 *phb3 = (PnvPHB3 *) object_dynamic_cast(child, TYPE_PNV_PHB3);
660 if (phb3) {
661 pnv_phb3_msi_pic_print_info(&phb3->msis, mon);
662 ics_pic_print_info(&phb3->lsis, mon);
664 return 0;
667 static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon)
669 Pnv8Chip *chip8 = PNV8_CHIP(chip);
671 ics_pic_print_info(&chip8->psi.ics, mon);
672 object_child_foreach(OBJECT(chip),
673 pnv_chip_power8_pic_print_info_child, mon);
676 static int pnv_chip_power9_pic_print_info_child(Object *child, void *opaque)
678 Monitor *mon = opaque;
679 PnvPHB4 *phb4 = (PnvPHB4 *) object_dynamic_cast(child, TYPE_PNV_PHB4);
681 if (phb4) {
682 pnv_phb4_pic_print_info(phb4, mon);
684 return 0;
687 static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon)
689 Pnv9Chip *chip9 = PNV9_CHIP(chip);
691 pnv_xive_pic_print_info(&chip9->xive, mon);
692 pnv_psi_pic_print_info(&chip9->psi, mon);
694 object_child_foreach_recursive(OBJECT(chip),
695 pnv_chip_power9_pic_print_info_child, mon);
698 static uint64_t pnv_chip_power8_xscom_core_base(PnvChip *chip,
699 uint32_t core_id)
701 return PNV_XSCOM_EX_BASE(core_id);
704 static uint64_t pnv_chip_power9_xscom_core_base(PnvChip *chip,
705 uint32_t core_id)
707 return PNV9_XSCOM_EC_BASE(core_id);
710 static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip,
711 uint32_t core_id)
713 return PNV10_XSCOM_EC_BASE(core_id);
716 static bool pnv_match_cpu(const char *default_type, const char *cpu_type)
718 PowerPCCPUClass *ppc_default =
719 POWERPC_CPU_CLASS(object_class_by_name(default_type));
720 PowerPCCPUClass *ppc =
721 POWERPC_CPU_CLASS(object_class_by_name(cpu_type));
723 return ppc_default->pvr_match(ppc_default, ppc->pvr);
726 static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq)
728 ISADevice *dev = isa_new("isa-ipmi-bt");
730 object_property_set_link(OBJECT(dev), "bmc", OBJECT(bmc), &error_fatal);
731 object_property_set_int(OBJECT(dev), "irq", irq, &error_fatal);
732 isa_realize_and_unref(dev, bus, &error_fatal);
735 static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon)
737 Pnv10Chip *chip10 = PNV10_CHIP(chip);
739 pnv_xive2_pic_print_info(&chip10->xive, mon);
740 pnv_psi_pic_print_info(&chip10->psi, mon);
742 object_child_foreach_recursive(OBJECT(chip),
743 pnv_chip_power9_pic_print_info_child, mon);
746 /* Always give the first 1GB to chip 0 else we won't boot */
747 static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id)
749 MachineState *machine = MACHINE(pnv);
750 uint64_t ram_per_chip;
752 assert(machine->ram_size >= 1 * GiB);
754 ram_per_chip = machine->ram_size / pnv->num_chips;
755 if (ram_per_chip >= 1 * GiB) {
756 return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB);
759 assert(pnv->num_chips > 1);
761 ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1);
762 return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB);
765 static void pnv_init(MachineState *machine)
767 const char *bios_name = machine->firmware ?: FW_FILE_NAME;
768 PnvMachineState *pnv = PNV_MACHINE(machine);
769 MachineClass *mc = MACHINE_GET_CLASS(machine);
770 char *fw_filename;
771 long fw_size;
772 uint64_t chip_ram_start = 0;
773 int i;
774 char *chip_typename;
775 DriveInfo *pnor = drive_get(IF_MTD, 0, 0);
776 DeviceState *dev;
778 if (kvm_enabled()) {
779 error_report("The powernv machine does not work with KVM acceleration");
780 exit(EXIT_FAILURE);
783 /* allocate RAM */
784 if (machine->ram_size < mc->default_ram_size) {
785 char *sz = size_to_str(mc->default_ram_size);
786 error_report("Invalid RAM size, should be bigger than %s", sz);
787 g_free(sz);
788 exit(EXIT_FAILURE);
790 memory_region_add_subregion(get_system_memory(), 0, machine->ram);
793 * Create our simple PNOR device
795 dev = qdev_new(TYPE_PNV_PNOR);
796 if (pnor) {
797 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(pnor));
799 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
800 pnv->pnor = PNV_PNOR(dev);
802 /* load skiboot firmware */
803 fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
804 if (!fw_filename) {
805 error_report("Could not find OPAL firmware '%s'", bios_name);
806 exit(1);
809 fw_size = load_image_targphys(fw_filename, pnv->fw_load_addr, FW_MAX_SIZE);
810 if (fw_size < 0) {
811 error_report("Could not load OPAL firmware '%s'", fw_filename);
812 exit(1);
814 g_free(fw_filename);
816 /* load kernel */
817 if (machine->kernel_filename) {
818 long kernel_size;
820 kernel_size = load_image_targphys(machine->kernel_filename,
821 KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE);
822 if (kernel_size < 0) {
823 error_report("Could not load kernel '%s'",
824 machine->kernel_filename);
825 exit(1);
829 /* load initrd */
830 if (machine->initrd_filename) {
831 pnv->initrd_base = INITRD_LOAD_ADDR;
832 pnv->initrd_size = load_image_targphys(machine->initrd_filename,
833 pnv->initrd_base, INITRD_MAX_SIZE);
834 if (pnv->initrd_size < 0) {
835 error_report("Could not load initial ram disk '%s'",
836 machine->initrd_filename);
837 exit(1);
841 /* MSIs are supported on this platform */
842 msi_nonbroken = true;
845 * Check compatibility of the specified CPU with the machine
846 * default.
848 if (!pnv_match_cpu(mc->default_cpu_type, machine->cpu_type)) {
849 error_report("invalid CPU model '%s' for %s machine",
850 machine->cpu_type, mc->name);
851 exit(1);
854 /* Create the processor chips */
855 i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX);
856 chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"),
857 i, machine->cpu_type);
858 if (!object_class_by_name(chip_typename)) {
859 error_report("invalid chip model '%.*s' for %s machine",
860 i, machine->cpu_type, mc->name);
861 exit(1);
864 pnv->num_chips =
865 machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads);
867 * TODO: should we decide on how many chips we can create based
868 * on #cores and Venice vs. Murano vs. Naples chip type etc...,
870 if (!is_power_of_2(pnv->num_chips) || pnv->num_chips > 16) {
871 error_report("invalid number of chips: '%d'", pnv->num_chips);
872 error_printf(
873 "Try '-smp sockets=N'. Valid values are : 1, 2, 4, 8 and 16.\n");
874 exit(1);
877 pnv->chips = g_new0(PnvChip *, pnv->num_chips);
878 for (i = 0; i < pnv->num_chips; i++) {
879 char chip_name[32];
880 Object *chip = OBJECT(qdev_new(chip_typename));
881 uint64_t chip_ram_size = pnv_chip_get_ram_size(pnv, i);
883 pnv->chips[i] = PNV_CHIP(chip);
885 /* Distribute RAM among the chips */
886 object_property_set_int(chip, "ram-start", chip_ram_start,
887 &error_fatal);
888 object_property_set_int(chip, "ram-size", chip_ram_size,
889 &error_fatal);
890 chip_ram_start += chip_ram_size;
892 snprintf(chip_name, sizeof(chip_name), "chip[%d]", i);
893 object_property_add_child(OBJECT(pnv), chip_name, chip);
894 object_property_set_int(chip, "chip-id", i, &error_fatal);
895 object_property_set_int(chip, "nr-cores", machine->smp.cores,
896 &error_fatal);
897 object_property_set_int(chip, "nr-threads", machine->smp.threads,
898 &error_fatal);
900 * The POWER8 machine use the XICS interrupt interface.
901 * Propagate the XICS fabric to the chip and its controllers.
903 if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) {
904 object_property_set_link(chip, "xics", OBJECT(pnv), &error_abort);
906 if (object_dynamic_cast(OBJECT(pnv), TYPE_XIVE_FABRIC)) {
907 object_property_set_link(chip, "xive-fabric", OBJECT(pnv),
908 &error_abort);
910 sysbus_realize_and_unref(SYS_BUS_DEVICE(chip), &error_fatal);
912 g_free(chip_typename);
914 /* Instantiate ISA bus on chip 0 */
915 pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal);
917 /* Create serial port */
918 serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS);
920 /* Create an RTC ISA device too */
921 mc146818_rtc_init(pnv->isa_bus, 2000, NULL);
924 * Create the machine BMC simulator and the IPMI BT device for
925 * communication with the BMC
927 if (defaults_enabled()) {
928 pnv->bmc = pnv_bmc_create(pnv->pnor);
929 pnv_ipmi_bt_init(pnv->isa_bus, pnv->bmc, 10);
933 * The PNOR is mapped on the LPC FW address space by the BMC.
934 * Since we can not reach the remote BMC machine with LPC memops,
935 * map it always for now.
937 memory_region_add_subregion(pnv->chips[0]->fw_mr, PNOR_SPI_OFFSET,
938 &pnv->pnor->mmio);
941 * OpenPOWER systems use a IPMI SEL Event message to notify the
942 * host to powerdown
944 pnv->powerdown_notifier.notify = pnv_powerdown_notify;
945 qemu_register_powerdown_notifier(&pnv->powerdown_notifier);
949 * 0:21 Reserved - Read as zeros
950 * 22:24 Chip ID
951 * 25:28 Core number
952 * 29:31 Thread ID
954 static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id)
956 return (chip->chip_id << 7) | (core_id << 3);
959 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
960 Error **errp)
962 Pnv8Chip *chip8 = PNV8_CHIP(chip);
963 Error *local_err = NULL;
964 Object *obj;
965 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
967 obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err);
968 if (local_err) {
969 error_propagate(errp, local_err);
970 return;
973 pnv_cpu->intc = obj;
977 static void pnv_chip_power8_intc_reset(PnvChip *chip, PowerPCCPU *cpu)
979 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
981 icp_reset(ICP(pnv_cpu->intc));
984 static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu)
986 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
988 icp_destroy(ICP(pnv_cpu->intc));
989 pnv_cpu->intc = NULL;
992 static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
993 Monitor *mon)
995 icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon);
999 * 0:48 Reserved - Read as zeroes
1000 * 49:52 Node ID
1001 * 53:55 Chip ID
1002 * 56 Reserved - Read as zero
1003 * 57:61 Core number
1004 * 62:63 Thread ID
1006 * We only care about the lower bits. uint32_t is fine for the moment.
1008 static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id)
1010 return (chip->chip_id << 8) | (core_id << 2);
1013 static uint32_t pnv_chip_core_pir_p10(PnvChip *chip, uint32_t core_id)
1015 return (chip->chip_id << 8) | (core_id << 2);
1018 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu,
1019 Error **errp)
1021 Pnv9Chip *chip9 = PNV9_CHIP(chip);
1022 Error *local_err = NULL;
1023 Object *obj;
1024 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1027 * The core creates its interrupt presenter but the XIVE interrupt
1028 * controller object is initialized afterwards. Hopefully, it's
1029 * only used at runtime.
1031 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip9->xive),
1032 &local_err);
1033 if (local_err) {
1034 error_propagate(errp, local_err);
1035 return;
1038 pnv_cpu->intc = obj;
1041 static void pnv_chip_power9_intc_reset(PnvChip *chip, PowerPCCPU *cpu)
1043 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1045 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc));
1048 static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu)
1050 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1052 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc));
1053 pnv_cpu->intc = NULL;
1056 static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
1057 Monitor *mon)
1059 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon);
1062 static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu,
1063 Error **errp)
1065 Pnv10Chip *chip10 = PNV10_CHIP(chip);
1066 Error *local_err = NULL;
1067 Object *obj;
1068 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1071 * The core creates its interrupt presenter but the XIVE2 interrupt
1072 * controller object is initialized afterwards. Hopefully, it's
1073 * only used at runtime.
1075 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip10->xive),
1076 &local_err);
1077 if (local_err) {
1078 error_propagate(errp, local_err);
1079 return;
1082 pnv_cpu->intc = obj;
1085 static void pnv_chip_power10_intc_reset(PnvChip *chip, PowerPCCPU *cpu)
1087 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1089 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc));
1092 static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu)
1094 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1096 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc));
1097 pnv_cpu->intc = NULL;
1100 static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
1101 Monitor *mon)
1103 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon);
1107 * Allowed core identifiers on a POWER8 Processor Chip :
1109 * <EX0 reserved>
1110 * EX1 - Venice only
1111 * EX2 - Venice only
1112 * EX3 - Venice only
1113 * EX4
1114 * EX5
1115 * EX6
1116 * <EX7,8 reserved> <reserved>
1117 * EX9 - Venice only
1118 * EX10 - Venice only
1119 * EX11 - Venice only
1120 * EX12
1121 * EX13
1122 * EX14
1123 * <EX15 reserved>
1125 #define POWER8E_CORE_MASK (0x7070ull)
1126 #define POWER8_CORE_MASK (0x7e7eull)
1129 * POWER9 has 24 cores, ids starting at 0x0
1131 #define POWER9_CORE_MASK (0xffffffffffffffull)
1134 #define POWER10_CORE_MASK (0xffffffffffffffull)
1136 static void pnv_chip_power8_instance_init(Object *obj)
1138 Pnv8Chip *chip8 = PNV8_CHIP(obj);
1139 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
1140 int i;
1142 object_property_add_link(obj, "xics", TYPE_XICS_FABRIC,
1143 (Object **)&chip8->xics,
1144 object_property_allow_set_link,
1145 OBJ_PROP_LINK_STRONG);
1147 object_initialize_child(obj, "psi", &chip8->psi, TYPE_PNV8_PSI);
1149 object_initialize_child(obj, "lpc", &chip8->lpc, TYPE_PNV8_LPC);
1151 object_initialize_child(obj, "occ", &chip8->occ, TYPE_PNV8_OCC);
1153 object_initialize_child(obj, "homer", &chip8->homer, TYPE_PNV8_HOMER);
1155 chip8->num_phbs = pcc->num_phbs;
1157 for (i = 0; i < chip8->num_phbs; i++) {
1158 object_initialize_child(obj, "phb[*]", &chip8->phbs[i], TYPE_PNV_PHB3);
1163 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp)
1165 PnvChip *chip = PNV_CHIP(chip8);
1166 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1167 int i, j;
1168 char *name;
1170 name = g_strdup_printf("icp-%x", chip->chip_id);
1171 memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE);
1172 sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio);
1173 g_free(name);
1175 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip));
1177 /* Map the ICP registers for each thread */
1178 for (i = 0; i < chip->nr_cores; i++) {
1179 PnvCore *pnv_core = chip->cores[i];
1180 int core_hwid = CPU_CORE(pnv_core)->core_id;
1182 for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) {
1183 uint32_t pir = pcc->core_pir(chip, core_hwid) + j;
1184 PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir));
1186 memory_region_add_subregion(&chip8->icp_mmio, pir << 12,
1187 &icp->mmio);
1192 /* Attach a root port device */
1193 void pnv_phb_attach_root_port(PCIHostState *pci, const char *name)
1195 PCIDevice *root = pci_new(PCI_DEVFN(0, 0), name);
1197 pci_realize_and_unref(root, pci->bus, &error_fatal);
1200 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
1202 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
1203 PnvChip *chip = PNV_CHIP(dev);
1204 Pnv8Chip *chip8 = PNV8_CHIP(dev);
1205 Pnv8Psi *psi8 = &chip8->psi;
1206 Error *local_err = NULL;
1207 int i;
1209 assert(chip8->xics);
1211 /* XSCOM bridge is first */
1212 pnv_xscom_realize(chip, PNV_XSCOM_SIZE, &local_err);
1213 if (local_err) {
1214 error_propagate(errp, local_err);
1215 return;
1217 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV_XSCOM_BASE(chip));
1219 pcc->parent_realize(dev, &local_err);
1220 if (local_err) {
1221 error_propagate(errp, local_err);
1222 return;
1225 /* Processor Service Interface (PSI) Host Bridge */
1226 object_property_set_int(OBJECT(&chip8->psi), "bar", PNV_PSIHB_BASE(chip),
1227 &error_fatal);
1228 object_property_set_link(OBJECT(&chip8->psi), ICS_PROP_XICS,
1229 OBJECT(chip8->xics), &error_abort);
1230 if (!qdev_realize(DEVICE(&chip8->psi), NULL, errp)) {
1231 return;
1233 pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE,
1234 &PNV_PSI(psi8)->xscom_regs);
1236 /* Create LPC controller */
1237 qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal);
1238 pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs);
1240 chip->fw_mr = &chip8->lpc.isa_fw;
1241 chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x",
1242 (uint64_t) PNV_XSCOM_BASE(chip),
1243 PNV_XSCOM_LPC_BASE);
1246 * Interrupt Management Area. This is the memory region holding
1247 * all the Interrupt Control Presenter (ICP) registers
1249 pnv_chip_icp_realize(chip8, &local_err);
1250 if (local_err) {
1251 error_propagate(errp, local_err);
1252 return;
1255 /* Create the simplified OCC model */
1256 if (!qdev_realize(DEVICE(&chip8->occ), NULL, errp)) {
1257 return;
1259 pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs);
1260 qdev_connect_gpio_out(DEVICE(&chip8->occ), 0,
1261 qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_OCC));
1263 /* OCC SRAM model */
1264 memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip),
1265 &chip8->occ.sram_regs);
1267 /* HOMER */
1268 object_property_set_link(OBJECT(&chip8->homer), "chip", OBJECT(chip),
1269 &error_abort);
1270 if (!qdev_realize(DEVICE(&chip8->homer), NULL, errp)) {
1271 return;
1273 /* Homer Xscom region */
1274 pnv_xscom_add_subregion(chip, PNV_XSCOM_PBA_BASE, &chip8->homer.pba_regs);
1276 /* Homer mmio region */
1277 memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip),
1278 &chip8->homer.regs);
1280 /* PHB3 controllers */
1281 for (i = 0; i < chip8->num_phbs; i++) {
1282 PnvPHB3 *phb = &chip8->phbs[i];
1284 object_property_set_int(OBJECT(phb), "index", i, &error_fatal);
1285 object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id,
1286 &error_fatal);
1287 object_property_set_link(OBJECT(phb), "chip", OBJECT(chip),
1288 &error_fatal);
1289 if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) {
1290 return;
1295 static uint32_t pnv_chip_power8_xscom_pcba(PnvChip *chip, uint64_t addr)
1297 addr &= (PNV_XSCOM_SIZE - 1);
1298 return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf);
1301 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data)
1303 DeviceClass *dc = DEVICE_CLASS(klass);
1304 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1306 k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */
1307 k->cores_mask = POWER8E_CORE_MASK;
1308 k->num_phbs = 3;
1309 k->core_pir = pnv_chip_core_pir_p8;
1310 k->intc_create = pnv_chip_power8_intc_create;
1311 k->intc_reset = pnv_chip_power8_intc_reset;
1312 k->intc_destroy = pnv_chip_power8_intc_destroy;
1313 k->intc_print_info = pnv_chip_power8_intc_print_info;
1314 k->isa_create = pnv_chip_power8_isa_create;
1315 k->dt_populate = pnv_chip_power8_dt_populate;
1316 k->pic_print_info = pnv_chip_power8_pic_print_info;
1317 k->xscom_core_base = pnv_chip_power8_xscom_core_base;
1318 k->xscom_pcba = pnv_chip_power8_xscom_pcba;
1319 dc->desc = "PowerNV Chip POWER8E";
1321 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
1322 &k->parent_realize);
1325 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data)
1327 DeviceClass *dc = DEVICE_CLASS(klass);
1328 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1330 k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */
1331 k->cores_mask = POWER8_CORE_MASK;
1332 k->num_phbs = 3;
1333 k->core_pir = pnv_chip_core_pir_p8;
1334 k->intc_create = pnv_chip_power8_intc_create;
1335 k->intc_reset = pnv_chip_power8_intc_reset;
1336 k->intc_destroy = pnv_chip_power8_intc_destroy;
1337 k->intc_print_info = pnv_chip_power8_intc_print_info;
1338 k->isa_create = pnv_chip_power8_isa_create;
1339 k->dt_populate = pnv_chip_power8_dt_populate;
1340 k->pic_print_info = pnv_chip_power8_pic_print_info;
1341 k->xscom_core_base = pnv_chip_power8_xscom_core_base;
1342 k->xscom_pcba = pnv_chip_power8_xscom_pcba;
1343 dc->desc = "PowerNV Chip POWER8";
1345 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
1346 &k->parent_realize);
1349 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data)
1351 DeviceClass *dc = DEVICE_CLASS(klass);
1352 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1354 k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */
1355 k->cores_mask = POWER8_CORE_MASK;
1356 k->num_phbs = 4;
1357 k->core_pir = pnv_chip_core_pir_p8;
1358 k->intc_create = pnv_chip_power8_intc_create;
1359 k->intc_reset = pnv_chip_power8_intc_reset;
1360 k->intc_destroy = pnv_chip_power8_intc_destroy;
1361 k->intc_print_info = pnv_chip_power8_intc_print_info;
1362 k->isa_create = pnv_chip_power8nvl_isa_create;
1363 k->dt_populate = pnv_chip_power8_dt_populate;
1364 k->pic_print_info = pnv_chip_power8_pic_print_info;
1365 k->xscom_core_base = pnv_chip_power8_xscom_core_base;
1366 k->xscom_pcba = pnv_chip_power8_xscom_pcba;
1367 dc->desc = "PowerNV Chip POWER8NVL";
1369 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
1370 &k->parent_realize);
1373 static void pnv_chip_power9_instance_init(Object *obj)
1375 PnvChip *chip = PNV_CHIP(obj);
1376 Pnv9Chip *chip9 = PNV9_CHIP(obj);
1377 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
1378 int i;
1380 object_initialize_child(obj, "xive", &chip9->xive, TYPE_PNV_XIVE);
1381 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive),
1382 "xive-fabric");
1384 object_initialize_child(obj, "psi", &chip9->psi, TYPE_PNV9_PSI);
1386 object_initialize_child(obj, "lpc", &chip9->lpc, TYPE_PNV9_LPC);
1388 object_initialize_child(obj, "occ", &chip9->occ, TYPE_PNV9_OCC);
1390 object_initialize_child(obj, "homer", &chip9->homer, TYPE_PNV9_HOMER);
1392 /* Number of PECs is the chip default */
1393 chip->num_pecs = pcc->num_pecs;
1395 for (i = 0; i < chip->num_pecs; i++) {
1396 object_initialize_child(obj, "pec[*]", &chip9->pecs[i],
1397 TYPE_PNV_PHB4_PEC);
1401 static void pnv_chip_quad_realize_one(PnvChip *chip, PnvQuad *eq,
1402 PnvCore *pnv_core)
1404 char eq_name[32];
1405 int core_id = CPU_CORE(pnv_core)->core_id;
1407 snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id);
1408 object_initialize_child_with_props(OBJECT(chip), eq_name, eq,
1409 sizeof(*eq), TYPE_PNV_QUAD,
1410 &error_fatal, NULL);
1412 object_property_set_int(OBJECT(eq), "quad-id", core_id, &error_fatal);
1413 qdev_realize(DEVICE(eq), NULL, &error_fatal);
1416 static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp)
1418 PnvChip *chip = PNV_CHIP(chip9);
1419 int i;
1421 chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4);
1422 chip9->quads = g_new0(PnvQuad, chip9->nr_quads);
1424 for (i = 0; i < chip9->nr_quads; i++) {
1425 PnvQuad *eq = &chip9->quads[i];
1427 pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4]);
1429 pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->quad_id),
1430 &eq->xscom_regs);
1434 static void pnv_chip_power9_pec_realize(PnvChip *chip, Error **errp)
1436 Pnv9Chip *chip9 = PNV9_CHIP(chip);
1437 int i;
1439 for (i = 0; i < chip->num_pecs; i++) {
1440 PnvPhb4PecState *pec = &chip9->pecs[i];
1441 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
1442 uint32_t pec_nest_base;
1443 uint32_t pec_pci_base;
1445 object_property_set_int(OBJECT(pec), "index", i, &error_fatal);
1446 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id,
1447 &error_fatal);
1448 object_property_set_link(OBJECT(pec), "chip", OBJECT(chip),
1449 &error_fatal);
1450 if (!qdev_realize(DEVICE(pec), NULL, errp)) {
1451 return;
1454 pec_nest_base = pecc->xscom_nest_base(pec);
1455 pec_pci_base = pecc->xscom_pci_base(pec);
1457 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr);
1458 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr);
1462 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
1464 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
1465 Pnv9Chip *chip9 = PNV9_CHIP(dev);
1466 PnvChip *chip = PNV_CHIP(dev);
1467 Pnv9Psi *psi9 = &chip9->psi;
1468 Error *local_err = NULL;
1470 /* XSCOM bridge is first */
1471 pnv_xscom_realize(chip, PNV9_XSCOM_SIZE, &local_err);
1472 if (local_err) {
1473 error_propagate(errp, local_err);
1474 return;
1476 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV9_XSCOM_BASE(chip));
1478 pcc->parent_realize(dev, &local_err);
1479 if (local_err) {
1480 error_propagate(errp, local_err);
1481 return;
1484 pnv_chip_quad_realize(chip9, &local_err);
1485 if (local_err) {
1486 error_propagate(errp, local_err);
1487 return;
1490 /* XIVE interrupt controller (POWER9) */
1491 object_property_set_int(OBJECT(&chip9->xive), "ic-bar",
1492 PNV9_XIVE_IC_BASE(chip), &error_fatal);
1493 object_property_set_int(OBJECT(&chip9->xive), "vc-bar",
1494 PNV9_XIVE_VC_BASE(chip), &error_fatal);
1495 object_property_set_int(OBJECT(&chip9->xive), "pc-bar",
1496 PNV9_XIVE_PC_BASE(chip), &error_fatal);
1497 object_property_set_int(OBJECT(&chip9->xive), "tm-bar",
1498 PNV9_XIVE_TM_BASE(chip), &error_fatal);
1499 object_property_set_link(OBJECT(&chip9->xive), "chip", OBJECT(chip),
1500 &error_abort);
1501 if (!sysbus_realize(SYS_BUS_DEVICE(&chip9->xive), errp)) {
1502 return;
1504 pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE,
1505 &chip9->xive.xscom_regs);
1507 /* Processor Service Interface (PSI) Host Bridge */
1508 object_property_set_int(OBJECT(&chip9->psi), "bar", PNV9_PSIHB_BASE(chip),
1509 &error_fatal);
1510 /* This is the only device with 4k ESB pages */
1511 object_property_set_int(OBJECT(&chip9->psi), "shift", XIVE_ESB_4K,
1512 &error_fatal);
1513 if (!qdev_realize(DEVICE(&chip9->psi), NULL, errp)) {
1514 return;
1516 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE,
1517 &PNV_PSI(psi9)->xscom_regs);
1519 /* LPC */
1520 if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) {
1521 return;
1523 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip),
1524 &chip9->lpc.xscom_regs);
1526 chip->fw_mr = &chip9->lpc.isa_fw;
1527 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
1528 (uint64_t) PNV9_LPCM_BASE(chip));
1530 /* Create the simplified OCC model */
1531 if (!qdev_realize(DEVICE(&chip9->occ), NULL, errp)) {
1532 return;
1534 pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs);
1535 qdev_connect_gpio_out(DEVICE(&chip9->occ), 0, qdev_get_gpio_in(
1536 DEVICE(&chip9->psi), PSIHB9_IRQ_OCC));
1538 /* OCC SRAM model */
1539 memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip),
1540 &chip9->occ.sram_regs);
1542 /* HOMER */
1543 object_property_set_link(OBJECT(&chip9->homer), "chip", OBJECT(chip),
1544 &error_abort);
1545 if (!qdev_realize(DEVICE(&chip9->homer), NULL, errp)) {
1546 return;
1548 /* Homer Xscom region */
1549 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PBA_BASE, &chip9->homer.pba_regs);
1551 /* Homer mmio region */
1552 memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip),
1553 &chip9->homer.regs);
1555 /* PEC PHBs */
1556 pnv_chip_power9_pec_realize(chip, &local_err);
1557 if (local_err) {
1558 error_propagate(errp, local_err);
1559 return;
1563 static uint32_t pnv_chip_power9_xscom_pcba(PnvChip *chip, uint64_t addr)
1565 addr &= (PNV9_XSCOM_SIZE - 1);
1566 return addr >> 3;
1569 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
1571 DeviceClass *dc = DEVICE_CLASS(klass);
1572 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1574 k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */
1575 k->cores_mask = POWER9_CORE_MASK;
1576 k->core_pir = pnv_chip_core_pir_p9;
1577 k->intc_create = pnv_chip_power9_intc_create;
1578 k->intc_reset = pnv_chip_power9_intc_reset;
1579 k->intc_destroy = pnv_chip_power9_intc_destroy;
1580 k->intc_print_info = pnv_chip_power9_intc_print_info;
1581 k->isa_create = pnv_chip_power9_isa_create;
1582 k->dt_populate = pnv_chip_power9_dt_populate;
1583 k->pic_print_info = pnv_chip_power9_pic_print_info;
1584 k->xscom_core_base = pnv_chip_power9_xscom_core_base;
1585 k->xscom_pcba = pnv_chip_power9_xscom_pcba;
1586 dc->desc = "PowerNV Chip POWER9";
1587 k->num_pecs = PNV9_CHIP_MAX_PEC;
1589 device_class_set_parent_realize(dc, pnv_chip_power9_realize,
1590 &k->parent_realize);
1593 static void pnv_chip_power10_instance_init(Object *obj)
1595 PnvChip *chip = PNV_CHIP(obj);
1596 Pnv10Chip *chip10 = PNV10_CHIP(obj);
1597 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
1598 int i;
1600 object_initialize_child(obj, "xive", &chip10->xive, TYPE_PNV_XIVE2);
1601 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip10->xive),
1602 "xive-fabric");
1603 object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI);
1604 object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC);
1605 object_initialize_child(obj, "occ", &chip10->occ, TYPE_PNV10_OCC);
1606 object_initialize_child(obj, "homer", &chip10->homer, TYPE_PNV10_HOMER);
1608 chip->num_pecs = pcc->num_pecs;
1610 for (i = 0; i < chip->num_pecs; i++) {
1611 object_initialize_child(obj, "pec[*]", &chip10->pecs[i],
1612 TYPE_PNV_PHB5_PEC);
1616 static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp)
1618 PnvChip *chip = PNV_CHIP(chip10);
1619 int i;
1621 chip10->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4);
1622 chip10->quads = g_new0(PnvQuad, chip10->nr_quads);
1624 for (i = 0; i < chip10->nr_quads; i++) {
1625 PnvQuad *eq = &chip10->quads[i];
1627 pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4]);
1629 pnv_xscom_add_subregion(chip, PNV10_XSCOM_EQ_BASE(eq->quad_id),
1630 &eq->xscom_regs);
1634 static void pnv_chip_power10_phb_realize(PnvChip *chip, Error **errp)
1636 Pnv10Chip *chip10 = PNV10_CHIP(chip);
1637 int i;
1639 for (i = 0; i < chip->num_pecs; i++) {
1640 PnvPhb4PecState *pec = &chip10->pecs[i];
1641 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
1642 uint32_t pec_nest_base;
1643 uint32_t pec_pci_base;
1645 object_property_set_int(OBJECT(pec), "index", i, &error_fatal);
1646 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id,
1647 &error_fatal);
1648 object_property_set_link(OBJECT(pec), "chip", OBJECT(chip),
1649 &error_fatal);
1650 if (!qdev_realize(DEVICE(pec), NULL, errp)) {
1651 return;
1654 pec_nest_base = pecc->xscom_nest_base(pec);
1655 pec_pci_base = pecc->xscom_pci_base(pec);
1657 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr);
1658 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr);
1662 static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
1664 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
1665 PnvChip *chip = PNV_CHIP(dev);
1666 Pnv10Chip *chip10 = PNV10_CHIP(dev);
1667 Error *local_err = NULL;
1669 /* XSCOM bridge is first */
1670 pnv_xscom_realize(chip, PNV10_XSCOM_SIZE, &local_err);
1671 if (local_err) {
1672 error_propagate(errp, local_err);
1673 return;
1675 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV10_XSCOM_BASE(chip));
1677 pcc->parent_realize(dev, &local_err);
1678 if (local_err) {
1679 error_propagate(errp, local_err);
1680 return;
1683 pnv_chip_power10_quad_realize(chip10, &local_err);
1684 if (local_err) {
1685 error_propagate(errp, local_err);
1686 return;
1689 /* XIVE2 interrupt controller (POWER10) */
1690 object_property_set_int(OBJECT(&chip10->xive), "ic-bar",
1691 PNV10_XIVE2_IC_BASE(chip), &error_fatal);
1692 object_property_set_int(OBJECT(&chip10->xive), "esb-bar",
1693 PNV10_XIVE2_ESB_BASE(chip), &error_fatal);
1694 object_property_set_int(OBJECT(&chip10->xive), "end-bar",
1695 PNV10_XIVE2_END_BASE(chip), &error_fatal);
1696 object_property_set_int(OBJECT(&chip10->xive), "nvpg-bar",
1697 PNV10_XIVE2_NVPG_BASE(chip), &error_fatal);
1698 object_property_set_int(OBJECT(&chip10->xive), "nvc-bar",
1699 PNV10_XIVE2_NVC_BASE(chip), &error_fatal);
1700 object_property_set_int(OBJECT(&chip10->xive), "tm-bar",
1701 PNV10_XIVE2_TM_BASE(chip), &error_fatal);
1702 object_property_set_link(OBJECT(&chip10->xive), "chip", OBJECT(chip),
1703 &error_abort);
1704 if (!sysbus_realize(SYS_BUS_DEVICE(&chip10->xive), errp)) {
1705 return;
1707 pnv_xscom_add_subregion(chip, PNV10_XSCOM_XIVE2_BASE,
1708 &chip10->xive.xscom_regs);
1710 /* Processor Service Interface (PSI) Host Bridge */
1711 object_property_set_int(OBJECT(&chip10->psi), "bar",
1712 PNV10_PSIHB_BASE(chip), &error_fatal);
1713 /* PSI can now be configured to use 64k ESB pages on POWER10 */
1714 object_property_set_int(OBJECT(&chip10->psi), "shift", XIVE_ESB_64K,
1715 &error_fatal);
1716 if (!qdev_realize(DEVICE(&chip10->psi), NULL, errp)) {
1717 return;
1719 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE,
1720 &PNV_PSI(&chip10->psi)->xscom_regs);
1722 /* LPC */
1723 if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) {
1724 return;
1726 memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip),
1727 &chip10->lpc.xscom_regs);
1729 chip->fw_mr = &chip10->lpc.isa_fw;
1730 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
1731 (uint64_t) PNV10_LPCM_BASE(chip));
1733 /* Create the simplified OCC model */
1734 if (!qdev_realize(DEVICE(&chip10->occ), NULL, errp)) {
1735 return;
1737 pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE,
1738 &chip10->occ.xscom_regs);
1739 qdev_connect_gpio_out(DEVICE(&chip10->occ), 0, qdev_get_gpio_in(
1740 DEVICE(&chip10->psi), PSIHB9_IRQ_OCC));
1742 /* OCC SRAM model */
1743 memory_region_add_subregion(get_system_memory(),
1744 PNV10_OCC_SENSOR_BASE(chip),
1745 &chip10->occ.sram_regs);
1747 /* HOMER */
1748 object_property_set_link(OBJECT(&chip10->homer), "chip", OBJECT(chip),
1749 &error_abort);
1750 if (!qdev_realize(DEVICE(&chip10->homer), NULL, errp)) {
1751 return;
1753 /* Homer Xscom region */
1754 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PBA_BASE,
1755 &chip10->homer.pba_regs);
1757 /* Homer mmio region */
1758 memory_region_add_subregion(get_system_memory(), PNV10_HOMER_BASE(chip),
1759 &chip10->homer.regs);
1761 /* PHBs */
1762 pnv_chip_power10_phb_realize(chip, &local_err);
1763 if (local_err) {
1764 error_propagate(errp, local_err);
1765 return;
1769 static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)
1771 addr &= (PNV10_XSCOM_SIZE - 1);
1772 return addr >> 3;
1775 static void pnv_chip_power10_class_init(ObjectClass *klass, void *data)
1777 DeviceClass *dc = DEVICE_CLASS(klass);
1778 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1780 k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with NX) */
1781 k->cores_mask = POWER10_CORE_MASK;
1782 k->core_pir = pnv_chip_core_pir_p10;
1783 k->intc_create = pnv_chip_power10_intc_create;
1784 k->intc_reset = pnv_chip_power10_intc_reset;
1785 k->intc_destroy = pnv_chip_power10_intc_destroy;
1786 k->intc_print_info = pnv_chip_power10_intc_print_info;
1787 k->isa_create = pnv_chip_power10_isa_create;
1788 k->dt_populate = pnv_chip_power10_dt_populate;
1789 k->pic_print_info = pnv_chip_power10_pic_print_info;
1790 k->xscom_core_base = pnv_chip_power10_xscom_core_base;
1791 k->xscom_pcba = pnv_chip_power10_xscom_pcba;
1792 dc->desc = "PowerNV Chip POWER10";
1793 k->num_pecs = PNV10_CHIP_MAX_PEC;
1795 device_class_set_parent_realize(dc, pnv_chip_power10_realize,
1796 &k->parent_realize);
1799 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp)
1801 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1802 int cores_max;
1805 * No custom mask for this chip, let's use the default one from *
1806 * the chip class
1808 if (!chip->cores_mask) {
1809 chip->cores_mask = pcc->cores_mask;
1812 /* filter alien core ids ! some are reserved */
1813 if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) {
1814 error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !",
1815 chip->cores_mask);
1816 return;
1818 chip->cores_mask &= pcc->cores_mask;
1820 /* now that we have a sane layout, let check the number of cores */
1821 cores_max = ctpop64(chip->cores_mask);
1822 if (chip->nr_cores > cores_max) {
1823 error_setg(errp, "warning: too many cores for chip ! Limit is %d",
1824 cores_max);
1825 return;
1829 static void pnv_chip_core_realize(PnvChip *chip, Error **errp)
1831 Error *error = NULL;
1832 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1833 const char *typename = pnv_chip_core_typename(chip);
1834 int i, core_hwid;
1835 PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
1837 if (!object_class_by_name(typename)) {
1838 error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename);
1839 return;
1842 /* Cores */
1843 pnv_chip_core_sanitize(chip, &error);
1844 if (error) {
1845 error_propagate(errp, error);
1846 return;
1849 chip->cores = g_new0(PnvCore *, chip->nr_cores);
1851 for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8)
1852 && (i < chip->nr_cores); core_hwid++) {
1853 char core_name[32];
1854 PnvCore *pnv_core;
1855 uint64_t xscom_core_base;
1857 if (!(chip->cores_mask & (1ull << core_hwid))) {
1858 continue;
1861 pnv_core = PNV_CORE(object_new(typename));
1863 snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid);
1864 object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core));
1865 chip->cores[i] = pnv_core;
1866 object_property_set_int(OBJECT(pnv_core), "nr-threads",
1867 chip->nr_threads, &error_fatal);
1868 object_property_set_int(OBJECT(pnv_core), CPU_CORE_PROP_CORE_ID,
1869 core_hwid, &error_fatal);
1870 object_property_set_int(OBJECT(pnv_core), "pir",
1871 pcc->core_pir(chip, core_hwid), &error_fatal);
1872 object_property_set_int(OBJECT(pnv_core), "hrmor", pnv->fw_load_addr,
1873 &error_fatal);
1874 object_property_set_link(OBJECT(pnv_core), "chip", OBJECT(chip),
1875 &error_abort);
1876 qdev_realize(DEVICE(pnv_core), NULL, &error_fatal);
1878 /* Each core has an XSCOM MMIO region */
1879 xscom_core_base = pcc->xscom_core_base(chip, core_hwid);
1881 pnv_xscom_add_subregion(chip, xscom_core_base,
1882 &pnv_core->xscom_regs);
1883 i++;
1887 static void pnv_chip_realize(DeviceState *dev, Error **errp)
1889 PnvChip *chip = PNV_CHIP(dev);
1890 Error *error = NULL;
1892 /* Cores */
1893 pnv_chip_core_realize(chip, &error);
1894 if (error) {
1895 error_propagate(errp, error);
1896 return;
1900 static Property pnv_chip_properties[] = {
1901 DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0),
1902 DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0),
1903 DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0),
1904 DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1),
1905 DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0),
1906 DEFINE_PROP_UINT32("nr-threads", PnvChip, nr_threads, 1),
1907 DEFINE_PROP_END_OF_LIST(),
1910 static void pnv_chip_class_init(ObjectClass *klass, void *data)
1912 DeviceClass *dc = DEVICE_CLASS(klass);
1914 set_bit(DEVICE_CATEGORY_CPU, dc->categories);
1915 dc->realize = pnv_chip_realize;
1916 device_class_set_props(dc, pnv_chip_properties);
1917 dc->desc = "PowerNV Chip";
1920 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir)
1922 int i, j;
1924 for (i = 0; i < chip->nr_cores; i++) {
1925 PnvCore *pc = chip->cores[i];
1926 CPUCore *cc = CPU_CORE(pc);
1928 for (j = 0; j < cc->nr_threads; j++) {
1929 if (ppc_cpu_pir(pc->threads[j]) == pir) {
1930 return pc->threads[j];
1934 return NULL;
1937 typedef struct ForeachPhb3Args {
1938 int irq;
1939 ICSState *ics;
1940 } ForeachPhb3Args;
1942 static int pnv_ics_get_child(Object *child, void *opaque)
1944 ForeachPhb3Args *args = opaque;
1945 PnvPHB3 *phb3 = (PnvPHB3 *) object_dynamic_cast(child, TYPE_PNV_PHB3);
1947 if (phb3) {
1948 if (ics_valid_irq(&phb3->lsis, args->irq)) {
1949 args->ics = &phb3->lsis;
1951 if (ics_valid_irq(ICS(&phb3->msis), args->irq)) {
1952 args->ics = ICS(&phb3->msis);
1955 return args->ics ? 1 : 0;
1958 static ICSState *pnv_ics_get(XICSFabric *xi, int irq)
1960 PnvMachineState *pnv = PNV_MACHINE(xi);
1961 ForeachPhb3Args args = { irq, NULL };
1962 int i;
1964 for (i = 0; i < pnv->num_chips; i++) {
1965 PnvChip *chip = pnv->chips[i];
1966 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1968 if (ics_valid_irq(&chip8->psi.ics, irq)) {
1969 return &chip8->psi.ics;
1972 object_child_foreach(OBJECT(chip), pnv_ics_get_child, &args);
1973 if (args.ics) {
1974 return args.ics;
1977 return NULL;
1980 PnvChip *pnv_get_chip(PnvMachineState *pnv, uint32_t chip_id)
1982 int i;
1984 for (i = 0; i < pnv->num_chips; i++) {
1985 PnvChip *chip = pnv->chips[i];
1986 if (chip->chip_id == chip_id) {
1987 return chip;
1990 return NULL;
1993 static int pnv_ics_resend_child(Object *child, void *opaque)
1995 PnvPHB3 *phb3 = (PnvPHB3 *) object_dynamic_cast(child, TYPE_PNV_PHB3);
1997 if (phb3) {
1998 ics_resend(&phb3->lsis);
1999 ics_resend(ICS(&phb3->msis));
2001 return 0;
2004 static void pnv_ics_resend(XICSFabric *xi)
2006 PnvMachineState *pnv = PNV_MACHINE(xi);
2007 int i;
2009 for (i = 0; i < pnv->num_chips; i++) {
2010 PnvChip *chip = pnv->chips[i];
2011 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
2013 ics_resend(&chip8->psi.ics);
2014 object_child_foreach(OBJECT(chip), pnv_ics_resend_child, NULL);
2018 static ICPState *pnv_icp_get(XICSFabric *xi, int pir)
2020 PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir);
2022 return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL;
2025 static void pnv_pic_print_info(InterruptStatsProvider *obj,
2026 Monitor *mon)
2028 PnvMachineState *pnv = PNV_MACHINE(obj);
2029 int i;
2030 CPUState *cs;
2032 CPU_FOREACH(cs) {
2033 PowerPCCPU *cpu = POWERPC_CPU(cs);
2035 /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */
2036 PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu,
2037 mon);
2040 for (i = 0; i < pnv->num_chips; i++) {
2041 PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon);
2045 static int pnv_match_nvt(XiveFabric *xfb, uint8_t format,
2046 uint8_t nvt_blk, uint32_t nvt_idx,
2047 bool cam_ignore, uint8_t priority,
2048 uint32_t logic_serv,
2049 XiveTCTXMatch *match)
2051 PnvMachineState *pnv = PNV_MACHINE(xfb);
2052 int total_count = 0;
2053 int i;
2055 for (i = 0; i < pnv->num_chips; i++) {
2056 Pnv9Chip *chip9 = PNV9_CHIP(pnv->chips[i]);
2057 XivePresenter *xptr = XIVE_PRESENTER(&chip9->xive);
2058 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr);
2059 int count;
2061 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore,
2062 priority, logic_serv, match);
2064 if (count < 0) {
2065 return count;
2068 total_count += count;
2071 return total_count;
2074 static int pnv10_xive_match_nvt(XiveFabric *xfb, uint8_t format,
2075 uint8_t nvt_blk, uint32_t nvt_idx,
2076 bool cam_ignore, uint8_t priority,
2077 uint32_t logic_serv,
2078 XiveTCTXMatch *match)
2080 PnvMachineState *pnv = PNV_MACHINE(xfb);
2081 int total_count = 0;
2082 int i;
2084 for (i = 0; i < pnv->num_chips; i++) {
2085 Pnv10Chip *chip10 = PNV10_CHIP(pnv->chips[i]);
2086 XivePresenter *xptr = XIVE_PRESENTER(&chip10->xive);
2087 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr);
2088 int count;
2090 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore,
2091 priority, logic_serv, match);
2093 if (count < 0) {
2094 return count;
2097 total_count += count;
2100 return total_count;
2103 static void pnv_machine_power8_class_init(ObjectClass *oc, void *data)
2105 MachineClass *mc = MACHINE_CLASS(oc);
2106 XICSFabricClass *xic = XICS_FABRIC_CLASS(oc);
2107 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
2108 static const char compat[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv";
2110 mc->desc = "IBM PowerNV (Non-Virtualized) POWER8";
2111 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
2113 xic->icp_get = pnv_icp_get;
2114 xic->ics_get = pnv_ics_get;
2115 xic->ics_resend = pnv_ics_resend;
2117 pmc->compat = compat;
2118 pmc->compat_size = sizeof(compat);
2121 static void pnv_machine_power9_class_init(ObjectClass *oc, void *data)
2123 MachineClass *mc = MACHINE_CLASS(oc);
2124 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc);
2125 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
2126 static const char compat[] = "qemu,powernv9\0ibm,powernv";
2128 mc->desc = "IBM PowerNV (Non-Virtualized) POWER9";
2129 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.0");
2130 xfc->match_nvt = pnv_match_nvt;
2132 mc->alias = "powernv";
2134 pmc->compat = compat;
2135 pmc->compat_size = sizeof(compat);
2136 pmc->dt_power_mgt = pnv_dt_power_mgt;
2139 static void pnv_machine_power10_class_init(ObjectClass *oc, void *data)
2141 MachineClass *mc = MACHINE_CLASS(oc);
2142 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
2143 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc);
2144 static const char compat[] = "qemu,powernv10\0ibm,powernv";
2146 mc->desc = "IBM PowerNV (Non-Virtualized) POWER10";
2147 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0");
2149 pmc->compat = compat;
2150 pmc->compat_size = sizeof(compat);
2151 pmc->dt_power_mgt = pnv_dt_power_mgt;
2153 xfc->match_nvt = pnv10_xive_match_nvt;
2156 static bool pnv_machine_get_hb(Object *obj, Error **errp)
2158 PnvMachineState *pnv = PNV_MACHINE(obj);
2160 return !!pnv->fw_load_addr;
2163 static void pnv_machine_set_hb(Object *obj, bool value, Error **errp)
2165 PnvMachineState *pnv = PNV_MACHINE(obj);
2167 if (value) {
2168 pnv->fw_load_addr = 0x8000000;
2172 static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg)
2174 PowerPCCPU *cpu = POWERPC_CPU(cs);
2175 CPUPPCState *env = &cpu->env;
2177 cpu_synchronize_state(cs);
2178 ppc_cpu_do_system_reset(cs);
2179 if (env->spr[SPR_SRR1] & SRR1_WAKESTATE) {
2181 * Power-save wakeups, as indicated by non-zero SRR1[46:47] put the
2182 * wakeup reason in SRR1[42:45], system reset is indicated with 0b0100
2183 * (PPC_BIT(43)).
2185 if (!(env->spr[SPR_SRR1] & SRR1_WAKERESET)) {
2186 warn_report("ppc_cpu_do_system_reset does not set system reset wakeup reason");
2187 env->spr[SPR_SRR1] |= SRR1_WAKERESET;
2189 } else {
2191 * For non-powersave system resets, SRR1[42:45] are defined to be
2192 * implementation-dependent. The POWER9 User Manual specifies that
2193 * an external (SCOM driven, which may come from a BMC nmi command or
2194 * another CPU requesting a NMI IPI) system reset exception should be
2195 * 0b0010 (PPC_BIT(44)).
2197 env->spr[SPR_SRR1] |= SRR1_WAKESCOM;
2201 static void pnv_nmi(NMIState *n, int cpu_index, Error **errp)
2203 CPUState *cs;
2205 CPU_FOREACH(cs) {
2206 async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL);
2210 static void pnv_machine_class_init(ObjectClass *oc, void *data)
2212 MachineClass *mc = MACHINE_CLASS(oc);
2213 InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc);
2214 NMIClass *nc = NMI_CLASS(oc);
2216 mc->desc = "IBM PowerNV (Non-Virtualized)";
2217 mc->init = pnv_init;
2218 mc->reset = pnv_reset;
2219 mc->max_cpus = MAX_CPUS;
2220 /* Pnv provides a AHCI device for storage */
2221 mc->block_default_type = IF_IDE;
2222 mc->no_parallel = 1;
2223 mc->default_boot_order = NULL;
2225 * RAM defaults to less than 2048 for 32-bit hosts, and large
2226 * enough to fit the maximum initrd size at it's load address
2228 mc->default_ram_size = 1 * GiB;
2229 mc->default_ram_id = "pnv.ram";
2230 ispc->print_info = pnv_pic_print_info;
2231 nc->nmi_monitor_handler = pnv_nmi;
2233 object_class_property_add_bool(oc, "hb-mode",
2234 pnv_machine_get_hb, pnv_machine_set_hb);
2235 object_class_property_set_description(oc, "hb-mode",
2236 "Use a hostboot like boot loader");
2239 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
2241 .name = type, \
2242 .class_init = class_initfn, \
2243 .parent = TYPE_PNV8_CHIP, \
2246 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \
2248 .name = type, \
2249 .class_init = class_initfn, \
2250 .parent = TYPE_PNV9_CHIP, \
2253 #define DEFINE_PNV10_CHIP_TYPE(type, class_initfn) \
2255 .name = type, \
2256 .class_init = class_initfn, \
2257 .parent = TYPE_PNV10_CHIP, \
2260 static const TypeInfo types[] = {
2262 .name = MACHINE_TYPE_NAME("powernv10"),
2263 .parent = TYPE_PNV_MACHINE,
2264 .class_init = pnv_machine_power10_class_init,
2265 .interfaces = (InterfaceInfo[]) {
2266 { TYPE_XIVE_FABRIC },
2267 { },
2271 .name = MACHINE_TYPE_NAME("powernv9"),
2272 .parent = TYPE_PNV_MACHINE,
2273 .class_init = pnv_machine_power9_class_init,
2274 .interfaces = (InterfaceInfo[]) {
2275 { TYPE_XIVE_FABRIC },
2276 { },
2280 .name = MACHINE_TYPE_NAME("powernv8"),
2281 .parent = TYPE_PNV_MACHINE,
2282 .class_init = pnv_machine_power8_class_init,
2283 .interfaces = (InterfaceInfo[]) {
2284 { TYPE_XICS_FABRIC },
2285 { },
2289 .name = TYPE_PNV_MACHINE,
2290 .parent = TYPE_MACHINE,
2291 .abstract = true,
2292 .instance_size = sizeof(PnvMachineState),
2293 .class_init = pnv_machine_class_init,
2294 .class_size = sizeof(PnvMachineClass),
2295 .interfaces = (InterfaceInfo[]) {
2296 { TYPE_INTERRUPT_STATS_PROVIDER },
2297 { TYPE_NMI },
2298 { },
2302 .name = TYPE_PNV_CHIP,
2303 .parent = TYPE_SYS_BUS_DEVICE,
2304 .class_init = pnv_chip_class_init,
2305 .instance_size = sizeof(PnvChip),
2306 .class_size = sizeof(PnvChipClass),
2307 .abstract = true,
2311 * P10 chip and variants
2314 .name = TYPE_PNV10_CHIP,
2315 .parent = TYPE_PNV_CHIP,
2316 .instance_init = pnv_chip_power10_instance_init,
2317 .instance_size = sizeof(Pnv10Chip),
2319 DEFINE_PNV10_CHIP_TYPE(TYPE_PNV_CHIP_POWER10, pnv_chip_power10_class_init),
2322 * P9 chip and variants
2325 .name = TYPE_PNV9_CHIP,
2326 .parent = TYPE_PNV_CHIP,
2327 .instance_init = pnv_chip_power9_instance_init,
2328 .instance_size = sizeof(Pnv9Chip),
2330 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init),
2333 * P8 chip and variants
2336 .name = TYPE_PNV8_CHIP,
2337 .parent = TYPE_PNV_CHIP,
2338 .instance_init = pnv_chip_power8_instance_init,
2339 .instance_size = sizeof(Pnv8Chip),
2341 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init),
2342 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init),
2343 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL,
2344 pnv_chip_power8nvl_class_init),
2347 DEFINE_TYPES(types)