1/*
2 * ARM SBSA Reference Platform emulation
3 *
4 * Copyright (c) 2018 Linaro Limited
5 * Written by Hongbo Zhang <hongbo.zhang@linaro.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2 or later, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include "qemu/osdep.h"
21#include "qemu-common.h"
22#include "qapi/error.h"
23#include "qemu/error-report.h"
24#include "qemu/units.h"
25#include "sysemu/device_tree.h"
26#include "sysemu/numa.h"
27#include "sysemu/runstate.h"
28#include "sysemu/sysemu.h"
29#include "exec/address-spaces.h"
30#include "exec/hwaddr.h"
31#include "kvm_arm.h"
32#include "hw/arm/boot.h"
33#include "hw/block/flash.h"
34#include "hw/boards.h"
35#include "hw/ide/internal.h"
36#include "hw/ide/ahci_internal.h"
37#include "hw/intc/arm_gicv3_common.h"
38#include "hw/loader.h"
39#include "hw/pci-host/gpex.h"
40#include "hw/qdev-properties.h"
41#include "hw/usb.h"
42#include "net/net.h"
43
44#define RAMLIMIT_GB 8192
45#define RAMLIMIT_BYTES (RAMLIMIT_GB * GiB)
46
47#define NUM_IRQS 256
48#define NUM_SMMU_IRQS 4
49#define NUM_SATA_PORTS 6
50
51#define VIRTUAL_PMU_IRQ 7
52#define ARCH_GIC_MAINT_IRQ 9
53#define ARCH_TIMER_VIRT_IRQ 11
54#define ARCH_TIMER_S_EL1_IRQ 13
55#define ARCH_TIMER_NS_EL1_IRQ 14
56#define ARCH_TIMER_NS_EL2_IRQ 10
57
58enum {
59 SBSA_FLASH,
60 SBSA_MEM,
61 SBSA_CPUPERIPHS,
62 SBSA_GIC_DIST,
63 SBSA_GIC_REDIST,
64 SBSA_SMMU,
65 SBSA_UART,
66 SBSA_RTC,
67 SBSA_PCIE,
68 SBSA_PCIE_MMIO,
69 SBSA_PCIE_MMIO_HIGH,
70 SBSA_PCIE_PIO,
71 SBSA_PCIE_ECAM,
72 SBSA_GPIO,
73 SBSA_SECURE_UART,
74 SBSA_SECURE_UART_MM,
75 SBSA_SECURE_MEM,
76 SBSA_AHCI,
77 SBSA_EHCI,
78};
79
80typedef struct MemMapEntry {
81 hwaddr base;
82 hwaddr size;
83} MemMapEntry;
84
85typedef struct {
86 MachineState parent;
87 struct arm_boot_info bootinfo;
88 int smp_cpus;
89 void *fdt;
90 int fdt_size;
91 int psci_conduit;
92 PFlashCFI01 *flash[2];
93} SBSAMachineState;
94
95#define TYPE_SBSA_MACHINE MACHINE_TYPE_NAME("sbsa-ref")
96#define SBSA_MACHINE(obj) \
97 OBJECT_CHECK(SBSAMachineState, (obj), TYPE_SBSA_MACHINE)
98
99static const MemMapEntry sbsa_ref_memmap[] = {
100 /* 512M boot ROM */
101 [SBSA_FLASH] = { 0, 0x20000000 },
102 /* 512M secure memory */
103 [SBSA_SECURE_MEM] = { 0x20000000, 0x20000000 },
104 /* Space reserved for CPU peripheral devices */
105 [SBSA_CPUPERIPHS] = { 0x40000000, 0x00040000 },
106 [SBSA_GIC_DIST] = { 0x40060000, 0x00010000 },
107 [SBSA_GIC_REDIST] = { 0x40080000, 0x04000000 },
108 [SBSA_UART] = { 0x60000000, 0x00001000 },
109 [SBSA_RTC] = { 0x60010000, 0x00001000 },
110 [SBSA_GPIO] = { 0x60020000, 0x00001000 },
111 [SBSA_SECURE_UART] = { 0x60030000, 0x00001000 },
112 [SBSA_SECURE_UART_MM] = { 0x60040000, 0x00001000 },
113 [SBSA_SMMU] = { 0x60050000, 0x00020000 },
114 /* Space here reserved for more SMMUs */
115 [SBSA_AHCI] = { 0x60100000, 0x00010000 },
116 [SBSA_EHCI] = { 0x60110000, 0x00010000 },
117 /* Space here reserved for other devices */
118 [SBSA_PCIE_PIO] = { 0x7fff0000, 0x00010000 },
119 /* 32-bit address PCIE MMIO space */
120 [SBSA_PCIE_MMIO] = { 0x80000000, 0x70000000 },
121 /* 256M PCIE ECAM space */
122 [SBSA_PCIE_ECAM] = { 0xf0000000, 0x10000000 },
123 /* ~1TB PCIE MMIO space (4GB to 1024GB boundary) */
124 [SBSA_PCIE_MMIO_HIGH] = { 0x100000000ULL, 0xFF00000000ULL },
125 [SBSA_MEM] = { 0x10000000000ULL, RAMLIMIT_BYTES },
126};
127
128static const int sbsa_ref_irqmap[] = {
129 [SBSA_UART] = 1,
130 [SBSA_RTC] = 2,
131 [SBSA_PCIE] = 3, /* ... to 6 */
132 [SBSA_GPIO] = 7,
133 [SBSA_SECURE_UART] = 8,
134 [SBSA_SECURE_UART_MM] = 9,
135 [SBSA_AHCI] = 10,
136 [SBSA_EHCI] = 11,
137};
138
139/*
140 * Firmware on this machine only uses ACPI table to load OS, these limited
141 * device tree nodes are just to let firmware know the info which varies from
142 * command line parameters, so it is not necessary to be fully compatible
143 * with the kernel CPU and NUMA binding rules.
144 */
145static void create_fdt(SBSAMachineState *sms)
146{
147 void *fdt = create_device_tree(&sms->fdt_size);
148 const MachineState *ms = MACHINE(sms);
149 int nb_numa_nodes = ms->numa_state->num_nodes;
150 int cpu;
151
152 if (!fdt) {
153 error_report("create_device_tree() failed");
154 exit(1);
155 }
156
157 sms->fdt = fdt;
158
159 qemu_fdt_setprop_string(fdt, "/", "compatible", "linux,sbsa-ref");
160 qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x2);
161 qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x2);
162
163 if (ms->numa_state->have_numa_distance) {
164 int size = nb_numa_nodes * nb_numa_nodes * 3 * sizeof(uint32_t);
165 uint32_t *matrix = g_malloc0(size);
166 int idx, i, j;
167
168 for (i = 0; i < nb_numa_nodes; i++) {
169 for (j = 0; j < nb_numa_nodes; j++) {
170 idx = (i * nb_numa_nodes + j) * 3;
171 matrix[idx + 0] = cpu_to_be32(i);
172 matrix[idx + 1] = cpu_to_be32(j);
173 matrix[idx + 2] =
174 cpu_to_be32(ms->numa_state->nodes[i].distance[j]);
175 }
176 }
177
178 qemu_fdt_add_subnode(fdt, "/distance-map");
179 qemu_fdt_setprop(fdt, "/distance-map", "distance-matrix",
180 matrix, size);
181 g_free(matrix);
182 }
183
184 qemu_fdt_add_subnode(sms->fdt, "/cpus");
185
186 for (cpu = sms->smp_cpus - 1; cpu >= 0; cpu--) {
187 char *nodename = g_strdup_printf("/cpus/cpu@%d", cpu);
188 ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(cpu));
189 CPUState *cs = CPU(armcpu);
190
191 qemu_fdt_add_subnode(sms->fdt, nodename);
192
193 if (ms->possible_cpus->cpus[cs->cpu_index].props.has_node_id) {
194 qemu_fdt_setprop_cell(sms->fdt, nodename, "numa-node-id",
195 ms->possible_cpus->cpus[cs->cpu_index].props.node_id);
196 }
197
198 g_free(nodename);
199 }
200}
201
202#define SBSA_FLASH_SECTOR_SIZE (256 * KiB)
203
204static PFlashCFI01 *sbsa_flash_create1(SBSAMachineState *sms,
205 const char *name,
206 const char *alias_prop_name)
207{
208 /*
209 * Create a single flash device. We use the same parameters as
210 * the flash devices on the Versatile Express board.
211 */
212 DeviceState *dev = qdev_create(NULL, TYPE_PFLASH_CFI01);
213
214 qdev_prop_set_uint64(dev, "sector-length", SBSA_FLASH_SECTOR_SIZE);
215 qdev_prop_set_uint8(dev, "width", 4);
216 qdev_prop_set_uint8(dev, "device-width", 2);
217 qdev_prop_set_bit(dev, "big-endian", false);
218 qdev_prop_set_uint16(dev, "id0", 0x89);
219 qdev_prop_set_uint16(dev, "id1", 0x18);
220 qdev_prop_set_uint16(dev, "id2", 0x00);
221 qdev_prop_set_uint16(dev, "id3", 0x00);
222 qdev_prop_set_string(dev, "name", name);
223 object_property_add_child(OBJECT(sms), name, OBJECT(dev),
224 &error_abort);
225 object_property_add_alias(OBJECT(sms), alias_prop_name,
226 OBJECT(dev), "drive", &error_abort);
227 return PFLASH_CFI01(dev);
228}
229
230static void sbsa_flash_create(SBSAMachineState *sms)
231{
232 sms->flash[0] = sbsa_flash_create1(sms, "sbsa.flash0", "pflash0");
233 sms->flash[1] = sbsa_flash_create1(sms, "sbsa.flash1", "pflash1");
234}
235
236static void sbsa_flash_map1(PFlashCFI01 *flash,
237 hwaddr base, hwaddr size,
238 MemoryRegion *sysmem)
239{
240 DeviceState *dev = DEVICE(flash);
241
242 assert(size % SBSA_FLASH_SECTOR_SIZE == 0);
243 assert(size / SBSA_FLASH_SECTOR_SIZE <= UINT32_MAX);
244 qdev_prop_set_uint32(dev, "num-blocks", size / SBSA_FLASH_SECTOR_SIZE);
245 qdev_init_nofail(dev);
246
247 memory_region_add_subregion(sysmem, base,
248 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
249 0));
250}
251
252static void sbsa_flash_map(SBSAMachineState *sms,
253 MemoryRegion *sysmem,
254 MemoryRegion *secure_sysmem)
255{
256 /*
257 * Map two flash devices to fill the SBSA_FLASH space in the memmap.
258 * sysmem is the system memory space. secure_sysmem is the secure view
259 * of the system, and the first flash device should be made visible only
260 * there. The second flash device is visible to both secure and nonsecure.
261 */
262 hwaddr flashsize = sbsa_ref_memmap[SBSA_FLASH].size / 2;
263 hwaddr flashbase = sbsa_ref_memmap[SBSA_FLASH].base;
264
265 sbsa_flash_map1(sms->flash[0], flashbase, flashsize,
266 secure_sysmem);
267 sbsa_flash_map1(sms->flash[1], flashbase + flashsize, flashsize,
268 sysmem);
269}
270
271static bool sbsa_firmware_init(SBSAMachineState *sms,
272 MemoryRegion *sysmem,
273 MemoryRegion *secure_sysmem)
274{
275 int i;
276 BlockBackend *pflash_blk0;
277
278 /* Map legacy -drive if=pflash to machine properties */
279 for (i = 0; i < ARRAY_SIZE(sms->flash); i++) {
280 pflash_cfi01_legacy_drive(sms->flash[i],
281 drive_get(IF_PFLASH, 0, i));
282 }
283
284 sbsa_flash_map(sms, sysmem, secure_sysmem);
285
286 pflash_blk0 = pflash_cfi01_get_blk(sms->flash[0]);
287
288 if (bios_name) {
289 char *fname;
290 MemoryRegion *mr;
291 int image_size;
292
293 if (pflash_blk0) {
294 error_report("The contents of the first flash device may be "
295 "specified with -bios or with -drive if=pflash... "
296 "but you cannot use both options at once");
297 exit(1);
298 }
299
300 /* Fall back to -bios */
301
302 fname = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
303 if (!fname) {
304 error_report("Could not find ROM image '%s'", bios_name);
305 exit(1);
306 }
307 mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(sms->flash[0]), 0);
308 image_size = load_image_mr(fname, mr);
309 g_free(fname);
310 if (image_size < 0) {
311 error_report("Could not load ROM image '%s'", bios_name);
312 exit(1);
313 }
314 }
315
316 return pflash_blk0 || bios_name;
317}
318
319static void create_secure_ram(SBSAMachineState *sms,
320 MemoryRegion *secure_sysmem)
321{
322 MemoryRegion *secram = g_new(MemoryRegion, 1);
323 hwaddr base = sbsa_ref_memmap[SBSA_SECURE_MEM].base;
324 hwaddr size = sbsa_ref_memmap[SBSA_SECURE_MEM].size;
325
326 memory_region_init_ram(secram, NULL, "sbsa-ref.secure-ram", size,
327 &error_fatal);
328 memory_region_add_subregion(secure_sysmem, base, secram);
329}
330
331static void create_gic(SBSAMachineState *sms, qemu_irq *pic)
332{
333 unsigned int smp_cpus = MACHINE(sms)->smp.cpus;
334 DeviceState *gicdev;
335 SysBusDevice *gicbusdev;
336 const char *gictype;
337 uint32_t redist0_capacity, redist0_count;
338 int i;
339
340 gictype = gicv3_class_name();
341
342 gicdev = qdev_create(NULL, gictype);
343 qdev_prop_set_uint32(gicdev, "revision", 3);
344 qdev_prop_set_uint32(gicdev, "num-cpu", smp_cpus);
345 /*
346 * Note that the num-irq property counts both internal and external
347 * interrupts; there are always 32 of the former (mandated by GIC spec).
348 */
349 qdev_prop_set_uint32(gicdev, "num-irq", NUM_IRQS + 32);
350 qdev_prop_set_bit(gicdev, "has-security-extensions", true);
351
352 redist0_capacity =
353 sbsa_ref_memmap[SBSA_GIC_REDIST].size / GICV3_REDIST_SIZE;
354 redist0_count = MIN(smp_cpus, redist0_capacity);
355
356 qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1);
357 qdev_prop_set_uint32(gicdev, "redist-region-count[0]", redist0_count);
358
359 qdev_init_nofail(gicdev);
360 gicbusdev = SYS_BUS_DEVICE(gicdev);
361 sysbus_mmio_map(gicbusdev, 0, sbsa_ref_memmap[SBSA_GIC_DIST].base);
362 sysbus_mmio_map(gicbusdev, 1, sbsa_ref_memmap[SBSA_GIC_REDIST].base);
363
364 /*
365 * Wire the outputs from each CPU's generic timer and the GICv3
366 * maintenance interrupt signal to the appropriate GIC PPI inputs,
367 * and the GIC's IRQ/FIQ/VIRQ/VFIQ interrupt outputs to the CPU's inputs.
368 */
369 for (i = 0; i < smp_cpus; i++) {
370 DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
371 int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
372 int irq;
373 /*
374 * Mapping from the output timer irq lines from the CPU to the
375 * GIC PPI inputs used for this board.
376 */
377 const int timer_irq[] = {
378 [GTIMER_PHYS] = ARCH_TIMER_NS_EL1_IRQ,
379 [GTIMER_VIRT] = ARCH_TIMER_VIRT_IRQ,
380 [GTIMER_HYP] = ARCH_TIMER_NS_EL2_IRQ,
381 [GTIMER_SEC] = ARCH_TIMER_S_EL1_IRQ,
382 };
383
384 for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
385 qdev_connect_gpio_out(cpudev, irq,
386 qdev_get_gpio_in(gicdev,
387 ppibase + timer_irq[irq]));
388 }
389
390 qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt", 0,
391 qdev_get_gpio_in(gicdev, ppibase
392 + ARCH_GIC_MAINT_IRQ));
393 qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
394 qdev_get_gpio_in(gicdev, ppibase
395 + VIRTUAL_PMU_IRQ));
396
397 sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
398 sysbus_connect_irq(gicbusdev, i + smp_cpus,
399 qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
400 sysbus_connect_irq(gicbusdev, i + 2 * smp_cpus,
401 qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
402 sysbus_connect_irq(gicbusdev, i + 3 * smp_cpus,
403 qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
404 }
405
406 for (i = 0; i < NUM_IRQS; i++) {
407 pic[i] = qdev_get_gpio_in(gicdev, i);
408 }
409}
410
411static void create_uart(const SBSAMachineState *sms, qemu_irq *pic, int uart,
412 MemoryRegion *mem, Chardev *chr)
413{
414 hwaddr base = sbsa_ref_memmap[uart].base;
415 int irq = sbsa_ref_irqmap[uart];
416 DeviceState *dev = qdev_create(NULL, "pl011");
417 SysBusDevice *s = SYS_BUS_DEVICE(dev);
418
419 qdev_prop_set_chr(dev, "chardev", chr);
420 qdev_init_nofail(dev);
421 memory_region_add_subregion(mem, base,
422 sysbus_mmio_get_region(s, 0));
423 sysbus_connect_irq(s, 0, pic[irq]);
424}
425
426static void create_rtc(const SBSAMachineState *sms, qemu_irq *pic)
427{
428 hwaddr base = sbsa_ref_memmap[SBSA_RTC].base;
429 int irq = sbsa_ref_irqmap[SBSA_RTC];
430
431 sysbus_create_simple("pl031", base, pic[irq]);
432}
433
434static DeviceState *gpio_key_dev;
435static void sbsa_ref_powerdown_req(Notifier *n, void *opaque)
436{
437 /* use gpio Pin 3 for power button event */
438 qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1);
439}
440
441static Notifier sbsa_ref_powerdown_notifier = {
442 .notify = sbsa_ref_powerdown_req
443};
444
445static void create_gpio(const SBSAMachineState *sms, qemu_irq *pic)
446{
447 DeviceState *pl061_dev;
448 hwaddr base = sbsa_ref_memmap[SBSA_GPIO].base;
449 int irq = sbsa_ref_irqmap[SBSA_GPIO];
450
451 pl061_dev = sysbus_create_simple("pl061", base, pic[irq]);
452
453 gpio_key_dev = sysbus_create_simple("gpio-key", -1,
454 qdev_get_gpio_in(pl061_dev, 3));
455
456 /* connect powerdown request */
457 qemu_register_powerdown_notifier(&sbsa_ref_powerdown_notifier);
458}
459
460static void create_ahci(const SBSAMachineState *sms, qemu_irq *pic)
461{
462 hwaddr base = sbsa_ref_memmap[SBSA_AHCI].base;
463 int irq = sbsa_ref_irqmap[SBSA_AHCI];
464 DeviceState *dev;
465 DriveInfo *hd[NUM_SATA_PORTS];
466 SysbusAHCIState *sysahci;
467 AHCIState *ahci;
468 int i;
469
470 dev = qdev_create(NULL, "sysbus-ahci");
471 qdev_prop_set_uint32(dev, "num-ports", NUM_SATA_PORTS);
472 qdev_init_nofail(dev);
473 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
474 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irq]);
475
476 sysahci = SYSBUS_AHCI(dev);
477 ahci = &sysahci->ahci;
478 ide_drive_get(hd, ARRAY_SIZE(hd));
479 for (i = 0; i < ahci->ports; i++) {
480 if (hd[i] == NULL) {
481 continue;
482 }
483 ide_create_drive(&ahci->dev[i].port, 0, hd[i]);
484 }
485}
486
487static void create_ehci(const SBSAMachineState *sms, qemu_irq *pic)
488{
489 hwaddr base = sbsa_ref_memmap[SBSA_EHCI].base;
490 int irq = sbsa_ref_irqmap[SBSA_EHCI];
491
492 sysbus_create_simple("platform-ehci-usb", base, pic[irq]);
493}
494
495static void create_smmu(const SBSAMachineState *sms, qemu_irq *pic,
496 PCIBus *bus)
497{
498 hwaddr base = sbsa_ref_memmap[SBSA_SMMU].base;
499 int irq = sbsa_ref_irqmap[SBSA_SMMU];
500 DeviceState *dev;
501 int i;
502
503 dev = qdev_create(NULL, "arm-smmuv3");
504
505 object_property_set_link(OBJECT(dev), OBJECT(bus), "primary-bus",
506 &error_abort);
507 qdev_init_nofail(dev);
508 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
509 for (i = 0; i < NUM_SMMU_IRQS; i++) {
510 sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
511 }
512}
513
514static void create_pcie(SBSAMachineState *sms, qemu_irq *pic)
515{
516 hwaddr base_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].base;
517 hwaddr size_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].size;
518 hwaddr base_mmio = sbsa_ref_memmap[SBSA_PCIE_MMIO].base;
519 hwaddr size_mmio = sbsa_ref_memmap[SBSA_PCIE_MMIO].size;
520 hwaddr base_mmio_high = sbsa_ref_memmap[SBSA_PCIE_MMIO_HIGH].base;
521 hwaddr size_mmio_high = sbsa_ref_memmap[SBSA_PCIE_MMIO_HIGH].size;
522 hwaddr base_pio = sbsa_ref_memmap[SBSA_PCIE_PIO].base;
523 int irq = sbsa_ref_irqmap[SBSA_PCIE];
524 MemoryRegion *mmio_alias, *mmio_alias_high, *mmio_reg;
525 MemoryRegion *ecam_alias, *ecam_reg;
526 DeviceState *dev;
527 PCIHostState *pci;
528 int i;
529
530 dev = qdev_create(NULL, TYPE_GPEX_HOST);
531 qdev_init_nofail(dev);
532
533 /* Map ECAM space */
534 ecam_alias = g_new0(MemoryRegion, 1);
535 ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
536 memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam",
537 ecam_reg, 0, size_ecam);
538 memory_region_add_subregion(get_system_memory(), base_ecam, ecam_alias);
539
540 /* Map the MMIO space */
541 mmio_alias = g_new0(MemoryRegion, 1);
542 mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
543 memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio",
544 mmio_reg, base_mmio, size_mmio);
545 memory_region_add_subregion(get_system_memory(), base_mmio, mmio_alias);
546
547 /* Map the MMIO_HIGH space */
548 mmio_alias_high = g_new0(MemoryRegion, 1);
549 memory_region_init_alias(mmio_alias_high, OBJECT(dev), "pcie-mmio-high",
550 mmio_reg, base_mmio_high, size_mmio_high);
551 memory_region_add_subregion(get_system_memory(), base_mmio_high,
552 mmio_alias_high);
553
554 /* Map IO port space */
555 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio);
556
557 for (i = 0; i < GPEX_NUM_IRQS; i++) {
558 sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
559 gpex_set_irq_num(GPEX_HOST(dev), i, irq + i);
560 }
561
562 pci = PCI_HOST_BRIDGE(dev);
563 if (pci->bus) {
564 for (i = 0; i < nb_nics; i++) {
565 NICInfo *nd = &nd_table[i];
566
567 if (!nd->model) {
568 nd->model = g_strdup("e1000e");
569 }
570
571 pci_nic_init_nofail(nd, pci->bus, nd->model, NULL);
572 }
573 }
574
575 pci_create_simple(pci->bus, -1, "VGA");
576
577 create_smmu(sms, pic, pci->bus);
578}
579
580static void *sbsa_ref_dtb(const struct arm_boot_info *binfo, int *fdt_size)
581{
582 const SBSAMachineState *board = container_of(binfo, SBSAMachineState,
583 bootinfo);
584
585 *fdt_size = board->fdt_size;
586 return board->fdt;
587}
588
589static void sbsa_ref_init(MachineState *machine)
590{
591 unsigned int smp_cpus = machine->smp.cpus;
592 unsigned int max_cpus = machine->smp.max_cpus;
593 SBSAMachineState *sms = SBSA_MACHINE(machine);
594 MachineClass *mc = MACHINE_GET_CLASS(machine);
595 MemoryRegion *sysmem = get_system_memory();
596 MemoryRegion *secure_sysmem = g_new(MemoryRegion, 1);
597 MemoryRegion *ram = g_new(MemoryRegion, 1);
598 bool firmware_loaded;
599 const CPUArchIdList *possible_cpus;
600 int n, sbsa_max_cpus;
601 qemu_irq pic[NUM_IRQS];
602
603 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a57"))) {
604 error_report("sbsa-ref: CPU type other than the built-in "
605 "cortex-a57 not supported");
606 exit(1);
607 }
608
609 if (kvm_enabled()) {
610 error_report("sbsa-ref: KVM is not supported for this machine");
611 exit(1);
612 }
613
614 /*
615 * The Secure view of the world is the same as the NonSecure,
616 * but with a few extra devices. Create it as a container region
617 * containing the system memory at low priority; any secure-only
618 * devices go in at higher priority and take precedence.
619 */
620 memory_region_init(secure_sysmem, OBJECT(machine), "secure-memory",
621 UINT64_MAX);
622 memory_region_add_subregion_overlap(secure_sysmem, 0, sysmem, -1);
623
624 firmware_loaded = sbsa_firmware_init(sms, sysmem, secure_sysmem);
625
626 if (machine->kernel_filename && firmware_loaded) {
627 error_report("sbsa-ref: No fw_cfg device on this machine, "
628 "so -kernel option is not supported when firmware loaded, "
629 "please load OS from hard disk instead");
630 exit(1);
631 }
632
633 /*
634 * This machine has EL3 enabled, external firmware should supply PSCI
635 * implementation, so the QEMU's internal PSCI is disabled.
636 */
637 sms->psci_conduit = QEMU_PSCI_CONDUIT_DISABLED;
638
639 sbsa_max_cpus = sbsa_ref_memmap[SBSA_GIC_REDIST].size / GICV3_REDIST_SIZE;
640
641 if (max_cpus > sbsa_max_cpus) {
642 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
643 "supported by machine 'sbsa-ref' (%d)",
644 max_cpus, sbsa_max_cpus);
645 exit(1);
646 }
647
648 sms->smp_cpus = smp_cpus;
649
650 if (machine->ram_size > sbsa_ref_memmap[SBSA_MEM].size) {
651 error_report("sbsa-ref: cannot model more than %dGB RAM", RAMLIMIT_GB);
652 exit(1);
653 }
654
655 possible_cpus = mc->possible_cpu_arch_ids(machine);
656 for (n = 0; n < possible_cpus->len; n++) {
657 Object *cpuobj;
658 CPUState *cs;
659
660 if (n >= smp_cpus) {
661 break;
662 }
663
664 cpuobj = object_new(possible_cpus->cpus[n].type);
665 object_property_set_int(cpuobj, possible_cpus->cpus[n].arch_id,
666 "mp-affinity", NULL);
667
668 cs = CPU(cpuobj);
669 cs->cpu_index = n;
670
671 numa_cpu_pre_plug(&possible_cpus->cpus[cs->cpu_index], DEVICE(cpuobj),
672 &error_fatal);
673
674 if (object_property_find(cpuobj, "reset-cbar", NULL)) {
675 object_property_set_int(cpuobj,
676 sbsa_ref_memmap[SBSA_CPUPERIPHS].base,
677 "reset-cbar", &error_abort);
678 }
679
680 object_property_set_link(cpuobj, OBJECT(sysmem), "memory",
681 &error_abort);
682
683 object_property_set_link(cpuobj, OBJECT(secure_sysmem),
684 "secure-memory", &error_abort);
685
686 object_property_set_bool(cpuobj, true, "realized", &error_fatal);
687 object_unref(cpuobj);
688 }
689
690 memory_region_allocate_system_memory(ram, NULL, "sbsa-ref.ram",
691 machine->ram_size);
692 memory_region_add_subregion(sysmem, sbsa_ref_memmap[SBSA_MEM].base, ram);
693
694 create_fdt(sms);
695
696 create_secure_ram(sms, secure_sysmem);
697
698 create_gic(sms, pic);
699
700 create_uart(sms, pic, SBSA_UART, sysmem, serial_hd(0));
701 create_uart(sms, pic, SBSA_SECURE_UART, secure_sysmem, serial_hd(1));
702 /* Second secure UART for RAS and MM from EL0 */
703 create_uart(sms, pic, SBSA_SECURE_UART_MM, secure_sysmem, serial_hd(2));
704
705 create_rtc(sms, pic);
706
707 create_gpio(sms, pic);
708
709 create_ahci(sms, pic);
710
711 create_ehci(sms, pic);
712
713 create_pcie(sms, pic);
714
715 sms->bootinfo.ram_size = machine->ram_size;
716 sms->bootinfo.nb_cpus = smp_cpus;
717 sms->bootinfo.board_id = -1;
718 sms->bootinfo.loader_start = sbsa_ref_memmap[SBSA_MEM].base;
719 sms->bootinfo.get_dtb = sbsa_ref_dtb;
720 sms->bootinfo.firmware_loaded = firmware_loaded;
721 arm_load_kernel(ARM_CPU(first_cpu), machine, &sms->bootinfo);
722}
723
724static uint64_t sbsa_ref_cpu_mp_affinity(SBSAMachineState *sms, int idx)
725{
726 uint8_t clustersz = ARM_DEFAULT_CPUS_PER_CLUSTER;
727 return arm_cpu_mp_affinity(idx, clustersz);
728}
729
730static const CPUArchIdList *sbsa_ref_possible_cpu_arch_ids(MachineState *ms)
731{
732 unsigned int max_cpus = ms->smp.max_cpus;
733 SBSAMachineState *sms = SBSA_MACHINE(ms);
734 int n;
735
736 if (ms->possible_cpus) {
737 assert(ms->possible_cpus->len == max_cpus);
738 return ms->possible_cpus;
739 }
740
741 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
742 sizeof(CPUArchId) * max_cpus);
743 ms->possible_cpus->len = max_cpus;
744 for (n = 0; n < ms->possible_cpus->len; n++) {
745 ms->possible_cpus->cpus[n].type = ms->cpu_type;
746 ms->possible_cpus->cpus[n].arch_id =
747 sbsa_ref_cpu_mp_affinity(sms, n);
748 ms->possible_cpus->cpus[n].props.has_thread_id = true;
749 ms->possible_cpus->cpus[n].props.thread_id = n;
750 }
751 return ms->possible_cpus;
752}
753
754static CpuInstanceProperties
755sbsa_ref_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
756{
757 MachineClass *mc = MACHINE_GET_CLASS(ms);
758 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
759
760 assert(cpu_index < possible_cpus->len);
761 return possible_cpus->cpus[cpu_index].props;
762}
763
764static int64_t
765sbsa_ref_get_default_cpu_node_id(const MachineState *ms, int idx)
766{
767 return idx % ms->numa_state->num_nodes;
768}
769
770static void sbsa_ref_instance_init(Object *obj)
771{
772 SBSAMachineState *sms = SBSA_MACHINE(obj);
773
774 sbsa_flash_create(sms);
775}
776
777static void sbsa_ref_class_init(ObjectClass *oc, void *data)
778{
779 MachineClass *mc = MACHINE_CLASS(oc);
780
781 mc->init = sbsa_ref_init;
782 mc->desc = "QEMU 'SBSA Reference' ARM Virtual Machine";
783 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a57");
784 mc->max_cpus = 512;
785 mc->pci_allow_0_address = true;
786 mc->minimum_page_bits = 12;
787 mc->block_default_type = IF_IDE;
788 mc->no_cdrom = 1;
789 mc->default_ram_size = 1 * GiB;
790 mc->default_cpus = 4;
791 mc->possible_cpu_arch_ids = sbsa_ref_possible_cpu_arch_ids;
792 mc->cpu_index_to_instance_props = sbsa_ref_cpu_index_to_props;
793 mc->get_default_cpu_node_id = sbsa_ref_get_default_cpu_node_id;
794 mc->numa_mem_supported = true;
795}
796
797static const TypeInfo sbsa_ref_info = {
798 .name = TYPE_SBSA_MACHINE,
799 .parent = TYPE_MACHINE,
800 .instance_init = sbsa_ref_instance_init,
801 .class_init = sbsa_ref_class_init,
802 .instance_size = sizeof(SBSAMachineState),
803};
804
805static void sbsa_ref_machine_init(void)
806{
807 type_register_static(&sbsa_ref_info);
808}
809
810type_init(sbsa_ref_machine_init);
811