2 * ARM SBSA Reference Platform emulation
4 * Copyright (c) 2018 Linaro Limited
5 * Written by Hongbo Zhang <hongbo.zhang@linaro.org>
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.
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
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/>.
20 #include "qemu/osdep.h"
21 #include "qemu-common.h"
22 #include "qemu/datadir.h"
23 #include "qapi/error.h"
24 #include "qemu/error-report.h"
25 #include "qemu/units.h"
26 #include "sysemu/device_tree.h"
27 #include "sysemu/numa.h"
28 #include "sysemu/runstate.h"
29 #include "sysemu/sysemu.h"
30 #include "exec/address-spaces.h"
31 #include "exec/hwaddr.h"
33 #include "hw/arm/boot.h"
34 #include "hw/block/flash.h"
35 #include "hw/boards.h"
36 #include "hw/ide/internal.h"
37 #include "hw/ide/ahci_internal.h"
38 #include "hw/intc/arm_gicv3_common.h"
39 #include "hw/loader.h"
40 #include "hw/pci-host/gpex.h"
41 #include "hw/qdev-properties.h"
43 #include "hw/char/pl011.h"
44 #include "hw/watchdog/sbsa_gwdt.h"
46 #include "qom/object.h"
48 #define RAMLIMIT_GB 8192
49 #define RAMLIMIT_BYTES (RAMLIMIT_GB * GiB)
52 #define NUM_SMMU_IRQS 4
53 #define NUM_SATA_PORTS 6
55 #define VIRTUAL_PMU_IRQ 7
56 #define ARCH_GIC_MAINT_IRQ 9
57 #define ARCH_TIMER_VIRT_IRQ 11
58 #define ARCH_TIMER_S_EL1_IRQ 13
59 #define ARCH_TIMER_NS_EL1_IRQ 14
60 #define ARCH_TIMER_NS_EL2_IRQ 10
88 struct SBSAMachineState
{
90 struct arm_boot_info bootinfo
;
96 PFlashCFI01
*flash
[2];
99 #define TYPE_SBSA_MACHINE MACHINE_TYPE_NAME("sbsa-ref")
100 OBJECT_DECLARE_SIMPLE_TYPE(SBSAMachineState
, SBSA_MACHINE
)
102 static const MemMapEntry sbsa_ref_memmap
[] = {
104 [SBSA_FLASH
] = { 0, 0x20000000 },
105 /* 512M secure memory */
106 [SBSA_SECURE_MEM
] = { 0x20000000, 0x20000000 },
107 /* Space reserved for CPU peripheral devices */
108 [SBSA_CPUPERIPHS
] = { 0x40000000, 0x00040000 },
109 [SBSA_GIC_DIST
] = { 0x40060000, 0x00010000 },
110 [SBSA_GIC_REDIST
] = { 0x40080000, 0x04000000 },
111 [SBSA_SECURE_EC
] = { 0x50000000, 0x00001000 },
112 [SBSA_GWDT_REFRESH
] = { 0x50010000, 0x00001000 },
113 [SBSA_GWDT_CONTROL
] = { 0x50011000, 0x00001000 },
114 [SBSA_UART
] = { 0x60000000, 0x00001000 },
115 [SBSA_RTC
] = { 0x60010000, 0x00001000 },
116 [SBSA_GPIO
] = { 0x60020000, 0x00001000 },
117 [SBSA_SECURE_UART
] = { 0x60030000, 0x00001000 },
118 [SBSA_SECURE_UART_MM
] = { 0x60040000, 0x00001000 },
119 [SBSA_SMMU
] = { 0x60050000, 0x00020000 },
120 /* Space here reserved for more SMMUs */
121 [SBSA_AHCI
] = { 0x60100000, 0x00010000 },
122 [SBSA_EHCI
] = { 0x60110000, 0x00010000 },
123 /* Space here reserved for other devices */
124 [SBSA_PCIE_PIO
] = { 0x7fff0000, 0x00010000 },
125 /* 32-bit address PCIE MMIO space */
126 [SBSA_PCIE_MMIO
] = { 0x80000000, 0x70000000 },
127 /* 256M PCIE ECAM space */
128 [SBSA_PCIE_ECAM
] = { 0xf0000000, 0x10000000 },
129 /* ~1TB PCIE MMIO space (4GB to 1024GB boundary) */
130 [SBSA_PCIE_MMIO_HIGH
] = { 0x100000000ULL
, 0xFF00000000ULL
},
131 [SBSA_MEM
] = { 0x10000000000ULL
, RAMLIMIT_BYTES
},
134 static const int sbsa_ref_irqmap
[] = {
137 [SBSA_PCIE
] = 3, /* ... to 6 */
139 [SBSA_SECURE_UART
] = 8,
140 [SBSA_SECURE_UART_MM
] = 9,
143 [SBSA_SMMU
] = 12, /* ... to 15 */
147 static const char * const valid_cpus
[] = {
148 ARM_CPU_TYPE_NAME("cortex-a53"),
149 ARM_CPU_TYPE_NAME("cortex-a57"),
150 ARM_CPU_TYPE_NAME("cortex-a72"),
153 static bool cpu_type_valid(const char *cpu
)
157 for (i
= 0; i
< ARRAY_SIZE(valid_cpus
); i
++) {
158 if (strcmp(cpu
, valid_cpus
[i
]) == 0) {
165 static uint64_t sbsa_ref_cpu_mp_affinity(SBSAMachineState
*sms
, int idx
)
167 uint8_t clustersz
= ARM_DEFAULT_CPUS_PER_CLUSTER
;
168 return arm_cpu_mp_affinity(idx
, clustersz
);
172 * Firmware on this machine only uses ACPI table to load OS, these limited
173 * device tree nodes are just to let firmware know the info which varies from
174 * command line parameters, so it is not necessary to be fully compatible
175 * with the kernel CPU and NUMA binding rules.
177 static void create_fdt(SBSAMachineState
*sms
)
179 void *fdt
= create_device_tree(&sms
->fdt_size
);
180 const MachineState
*ms
= MACHINE(sms
);
181 int nb_numa_nodes
= ms
->numa_state
->num_nodes
;
185 error_report("create_device_tree() failed");
191 qemu_fdt_setprop_string(fdt
, "/", "compatible", "linux,sbsa-ref");
192 qemu_fdt_setprop_cell(fdt
, "/", "#address-cells", 0x2);
193 qemu_fdt_setprop_cell(fdt
, "/", "#size-cells", 0x2);
195 if (ms
->numa_state
->have_numa_distance
) {
196 int size
= nb_numa_nodes
* nb_numa_nodes
* 3 * sizeof(uint32_t);
197 uint32_t *matrix
= g_malloc0(size
);
200 for (i
= 0; i
< nb_numa_nodes
; i
++) {
201 for (j
= 0; j
< nb_numa_nodes
; j
++) {
202 idx
= (i
* nb_numa_nodes
+ j
) * 3;
203 matrix
[idx
+ 0] = cpu_to_be32(i
);
204 matrix
[idx
+ 1] = cpu_to_be32(j
);
206 cpu_to_be32(ms
->numa_state
->nodes
[i
].distance
[j
]);
210 qemu_fdt_add_subnode(fdt
, "/distance-map");
211 qemu_fdt_setprop(fdt
, "/distance-map", "distance-matrix",
217 * From Documentation/devicetree/bindings/arm/cpus.yaml
218 * On ARM v8 64-bit systems this property is required
219 * and matches the MPIDR_EL1 register affinity bits.
221 * * If cpus node's #address-cells property is set to 2
223 * The first reg cell bits [7:0] must be set to
224 * bits [39:32] of MPIDR_EL1.
226 * The second reg cell bits [23:0] must be set to
227 * bits [23:0] of MPIDR_EL1.
229 qemu_fdt_add_subnode(sms
->fdt
, "/cpus");
230 qemu_fdt_setprop_cell(sms
->fdt
, "/cpus", "#address-cells", 2);
231 qemu_fdt_setprop_cell(sms
->fdt
, "/cpus", "#size-cells", 0x0);
233 for (cpu
= sms
->smp_cpus
- 1; cpu
>= 0; cpu
--) {
234 char *nodename
= g_strdup_printf("/cpus/cpu@%d", cpu
);
235 ARMCPU
*armcpu
= ARM_CPU(qemu_get_cpu(cpu
));
236 CPUState
*cs
= CPU(armcpu
);
237 uint64_t mpidr
= sbsa_ref_cpu_mp_affinity(sms
, cpu
);
239 qemu_fdt_add_subnode(sms
->fdt
, nodename
);
240 qemu_fdt_setprop_u64(sms
->fdt
, nodename
, "reg", mpidr
);
242 if (ms
->possible_cpus
->cpus
[cs
->cpu_index
].props
.has_node_id
) {
243 qemu_fdt_setprop_cell(sms
->fdt
, nodename
, "numa-node-id",
244 ms
->possible_cpus
->cpus
[cs
->cpu_index
].props
.node_id
);
251 #define SBSA_FLASH_SECTOR_SIZE (256 * KiB)
253 static PFlashCFI01
*sbsa_flash_create1(SBSAMachineState
*sms
,
255 const char *alias_prop_name
)
258 * Create a single flash device. We use the same parameters as
259 * the flash devices on the Versatile Express board.
261 DeviceState
*dev
= qdev_new(TYPE_PFLASH_CFI01
);
263 qdev_prop_set_uint64(dev
, "sector-length", SBSA_FLASH_SECTOR_SIZE
);
264 qdev_prop_set_uint8(dev
, "width", 4);
265 qdev_prop_set_uint8(dev
, "device-width", 2);
266 qdev_prop_set_bit(dev
, "big-endian", false);
267 qdev_prop_set_uint16(dev
, "id0", 0x89);
268 qdev_prop_set_uint16(dev
, "id1", 0x18);
269 qdev_prop_set_uint16(dev
, "id2", 0x00);
270 qdev_prop_set_uint16(dev
, "id3", 0x00);
271 qdev_prop_set_string(dev
, "name", name
);
272 object_property_add_child(OBJECT(sms
), name
, OBJECT(dev
));
273 object_property_add_alias(OBJECT(sms
), alias_prop_name
,
274 OBJECT(dev
), "drive");
275 return PFLASH_CFI01(dev
);
278 static void sbsa_flash_create(SBSAMachineState
*sms
)
280 sms
->flash
[0] = sbsa_flash_create1(sms
, "sbsa.flash0", "pflash0");
281 sms
->flash
[1] = sbsa_flash_create1(sms
, "sbsa.flash1", "pflash1");
284 static void sbsa_flash_map1(PFlashCFI01
*flash
,
285 hwaddr base
, hwaddr size
,
286 MemoryRegion
*sysmem
)
288 DeviceState
*dev
= DEVICE(flash
);
290 assert(QEMU_IS_ALIGNED(size
, SBSA_FLASH_SECTOR_SIZE
));
291 assert(size
/ SBSA_FLASH_SECTOR_SIZE
<= UINT32_MAX
);
292 qdev_prop_set_uint32(dev
, "num-blocks", size
/ SBSA_FLASH_SECTOR_SIZE
);
293 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
295 memory_region_add_subregion(sysmem
, base
,
296 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev
),
300 static void sbsa_flash_map(SBSAMachineState
*sms
,
301 MemoryRegion
*sysmem
,
302 MemoryRegion
*secure_sysmem
)
305 * Map two flash devices to fill the SBSA_FLASH space in the memmap.
306 * sysmem is the system memory space. secure_sysmem is the secure view
307 * of the system, and the first flash device should be made visible only
308 * there. The second flash device is visible to both secure and nonsecure.
310 hwaddr flashsize
= sbsa_ref_memmap
[SBSA_FLASH
].size
/ 2;
311 hwaddr flashbase
= sbsa_ref_memmap
[SBSA_FLASH
].base
;
313 sbsa_flash_map1(sms
->flash
[0], flashbase
, flashsize
,
315 sbsa_flash_map1(sms
->flash
[1], flashbase
+ flashsize
, flashsize
,
319 static bool sbsa_firmware_init(SBSAMachineState
*sms
,
320 MemoryRegion
*sysmem
,
321 MemoryRegion
*secure_sysmem
)
323 const char *bios_name
;
325 BlockBackend
*pflash_blk0
;
327 /* Map legacy -drive if=pflash to machine properties */
328 for (i
= 0; i
< ARRAY_SIZE(sms
->flash
); i
++) {
329 pflash_cfi01_legacy_drive(sms
->flash
[i
],
330 drive_get(IF_PFLASH
, 0, i
));
333 sbsa_flash_map(sms
, sysmem
, secure_sysmem
);
335 pflash_blk0
= pflash_cfi01_get_blk(sms
->flash
[0]);
337 bios_name
= MACHINE(sms
)->firmware
;
344 error_report("The contents of the first flash device may be "
345 "specified with -bios or with -drive if=pflash... "
346 "but you cannot use both options at once");
350 /* Fall back to -bios */
352 fname
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
354 error_report("Could not find ROM image '%s'", bios_name
);
357 mr
= sysbus_mmio_get_region(SYS_BUS_DEVICE(sms
->flash
[0]), 0);
358 image_size
= load_image_mr(fname
, mr
);
360 if (image_size
< 0) {
361 error_report("Could not load ROM image '%s'", bios_name
);
366 return pflash_blk0
|| bios_name
;
369 static void create_secure_ram(SBSAMachineState
*sms
,
370 MemoryRegion
*secure_sysmem
)
372 MemoryRegion
*secram
= g_new(MemoryRegion
, 1);
373 hwaddr base
= sbsa_ref_memmap
[SBSA_SECURE_MEM
].base
;
374 hwaddr size
= sbsa_ref_memmap
[SBSA_SECURE_MEM
].size
;
376 memory_region_init_ram(secram
, NULL
, "sbsa-ref.secure-ram", size
,
378 memory_region_add_subregion(secure_sysmem
, base
, secram
);
381 static void create_gic(SBSAMachineState
*sms
)
383 unsigned int smp_cpus
= MACHINE(sms
)->smp
.cpus
;
384 SysBusDevice
*gicbusdev
;
386 uint32_t redist0_capacity
, redist0_count
;
389 gictype
= gicv3_class_name();
391 sms
->gic
= qdev_new(gictype
);
392 qdev_prop_set_uint32(sms
->gic
, "revision", 3);
393 qdev_prop_set_uint32(sms
->gic
, "num-cpu", smp_cpus
);
395 * Note that the num-irq property counts both internal and external
396 * interrupts; there are always 32 of the former (mandated by GIC spec).
398 qdev_prop_set_uint32(sms
->gic
, "num-irq", NUM_IRQS
+ 32);
399 qdev_prop_set_bit(sms
->gic
, "has-security-extensions", true);
402 sbsa_ref_memmap
[SBSA_GIC_REDIST
].size
/ GICV3_REDIST_SIZE
;
403 redist0_count
= MIN(smp_cpus
, redist0_capacity
);
405 qdev_prop_set_uint32(sms
->gic
, "len-redist-region-count", 1);
406 qdev_prop_set_uint32(sms
->gic
, "redist-region-count[0]", redist0_count
);
408 gicbusdev
= SYS_BUS_DEVICE(sms
->gic
);
409 sysbus_realize_and_unref(gicbusdev
, &error_fatal
);
410 sysbus_mmio_map(gicbusdev
, 0, sbsa_ref_memmap
[SBSA_GIC_DIST
].base
);
411 sysbus_mmio_map(gicbusdev
, 1, sbsa_ref_memmap
[SBSA_GIC_REDIST
].base
);
414 * Wire the outputs from each CPU's generic timer and the GICv3
415 * maintenance interrupt signal to the appropriate GIC PPI inputs,
416 * and the GIC's IRQ/FIQ/VIRQ/VFIQ interrupt outputs to the CPU's inputs.
418 for (i
= 0; i
< smp_cpus
; i
++) {
419 DeviceState
*cpudev
= DEVICE(qemu_get_cpu(i
));
420 int ppibase
= NUM_IRQS
+ i
* GIC_INTERNAL
+ GIC_NR_SGIS
;
423 * Mapping from the output timer irq lines from the CPU to the
424 * GIC PPI inputs used for this board.
426 const int timer_irq
[] = {
427 [GTIMER_PHYS
] = ARCH_TIMER_NS_EL1_IRQ
,
428 [GTIMER_VIRT
] = ARCH_TIMER_VIRT_IRQ
,
429 [GTIMER_HYP
] = ARCH_TIMER_NS_EL2_IRQ
,
430 [GTIMER_SEC
] = ARCH_TIMER_S_EL1_IRQ
,
433 for (irq
= 0; irq
< ARRAY_SIZE(timer_irq
); irq
++) {
434 qdev_connect_gpio_out(cpudev
, irq
,
435 qdev_get_gpio_in(sms
->gic
,
436 ppibase
+ timer_irq
[irq
]));
439 qdev_connect_gpio_out_named(cpudev
, "gicv3-maintenance-interrupt", 0,
440 qdev_get_gpio_in(sms
->gic
, ppibase
441 + ARCH_GIC_MAINT_IRQ
));
442 qdev_connect_gpio_out_named(cpudev
, "pmu-interrupt", 0,
443 qdev_get_gpio_in(sms
->gic
, ppibase
446 sysbus_connect_irq(gicbusdev
, i
, qdev_get_gpio_in(cpudev
, ARM_CPU_IRQ
));
447 sysbus_connect_irq(gicbusdev
, i
+ smp_cpus
,
448 qdev_get_gpio_in(cpudev
, ARM_CPU_FIQ
));
449 sysbus_connect_irq(gicbusdev
, i
+ 2 * smp_cpus
,
450 qdev_get_gpio_in(cpudev
, ARM_CPU_VIRQ
));
451 sysbus_connect_irq(gicbusdev
, i
+ 3 * smp_cpus
,
452 qdev_get_gpio_in(cpudev
, ARM_CPU_VFIQ
));
456 static void create_uart(const SBSAMachineState
*sms
, int uart
,
457 MemoryRegion
*mem
, Chardev
*chr
)
459 hwaddr base
= sbsa_ref_memmap
[uart
].base
;
460 int irq
= sbsa_ref_irqmap
[uart
];
461 DeviceState
*dev
= qdev_new(TYPE_PL011
);
462 SysBusDevice
*s
= SYS_BUS_DEVICE(dev
);
464 qdev_prop_set_chr(dev
, "chardev", chr
);
465 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
466 memory_region_add_subregion(mem
, base
,
467 sysbus_mmio_get_region(s
, 0));
468 sysbus_connect_irq(s
, 0, qdev_get_gpio_in(sms
->gic
, irq
));
471 static void create_rtc(const SBSAMachineState
*sms
)
473 hwaddr base
= sbsa_ref_memmap
[SBSA_RTC
].base
;
474 int irq
= sbsa_ref_irqmap
[SBSA_RTC
];
476 sysbus_create_simple("pl031", base
, qdev_get_gpio_in(sms
->gic
, irq
));
479 static void create_wdt(const SBSAMachineState
*sms
)
481 hwaddr rbase
= sbsa_ref_memmap
[SBSA_GWDT_REFRESH
].base
;
482 hwaddr cbase
= sbsa_ref_memmap
[SBSA_GWDT_CONTROL
].base
;
483 DeviceState
*dev
= qdev_new(TYPE_WDT_SBSA
);
484 SysBusDevice
*s
= SYS_BUS_DEVICE(dev
);
485 int irq
= sbsa_ref_irqmap
[SBSA_GWDT
];
487 sysbus_realize_and_unref(s
, &error_fatal
);
488 sysbus_mmio_map(s
, 0, rbase
);
489 sysbus_mmio_map(s
, 1, cbase
);
490 sysbus_connect_irq(s
, 0, qdev_get_gpio_in(sms
->gic
, irq
));
493 static DeviceState
*gpio_key_dev
;
494 static void sbsa_ref_powerdown_req(Notifier
*n
, void *opaque
)
496 /* use gpio Pin 3 for power button event */
497 qemu_set_irq(qdev_get_gpio_in(gpio_key_dev
, 0), 1);
500 static Notifier sbsa_ref_powerdown_notifier
= {
501 .notify
= sbsa_ref_powerdown_req
504 static void create_gpio(const SBSAMachineState
*sms
)
506 DeviceState
*pl061_dev
;
507 hwaddr base
= sbsa_ref_memmap
[SBSA_GPIO
].base
;
508 int irq
= sbsa_ref_irqmap
[SBSA_GPIO
];
510 pl061_dev
= sysbus_create_simple("pl061", base
,
511 qdev_get_gpio_in(sms
->gic
, irq
));
513 gpio_key_dev
= sysbus_create_simple("gpio-key", -1,
514 qdev_get_gpio_in(pl061_dev
, 3));
516 /* connect powerdown request */
517 qemu_register_powerdown_notifier(&sbsa_ref_powerdown_notifier
);
520 static void create_ahci(const SBSAMachineState
*sms
)
522 hwaddr base
= sbsa_ref_memmap
[SBSA_AHCI
].base
;
523 int irq
= sbsa_ref_irqmap
[SBSA_AHCI
];
525 DriveInfo
*hd
[NUM_SATA_PORTS
];
526 SysbusAHCIState
*sysahci
;
530 dev
= qdev_new("sysbus-ahci");
531 qdev_prop_set_uint32(dev
, "num-ports", NUM_SATA_PORTS
);
532 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
533 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 0, base
);
534 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 0, qdev_get_gpio_in(sms
->gic
, irq
));
536 sysahci
= SYSBUS_AHCI(dev
);
537 ahci
= &sysahci
->ahci
;
538 ide_drive_get(hd
, ARRAY_SIZE(hd
));
539 for (i
= 0; i
< ahci
->ports
; i
++) {
543 ide_create_drive(&ahci
->dev
[i
].port
, 0, hd
[i
]);
547 static void create_ehci(const SBSAMachineState
*sms
)
549 hwaddr base
= sbsa_ref_memmap
[SBSA_EHCI
].base
;
550 int irq
= sbsa_ref_irqmap
[SBSA_EHCI
];
552 sysbus_create_simple("platform-ehci-usb", base
,
553 qdev_get_gpio_in(sms
->gic
, irq
));
556 static void create_smmu(const SBSAMachineState
*sms
, PCIBus
*bus
)
558 hwaddr base
= sbsa_ref_memmap
[SBSA_SMMU
].base
;
559 int irq
= sbsa_ref_irqmap
[SBSA_SMMU
];
563 dev
= qdev_new("arm-smmuv3");
565 object_property_set_link(OBJECT(dev
), "primary-bus", OBJECT(bus
),
567 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
568 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 0, base
);
569 for (i
= 0; i
< NUM_SMMU_IRQS
; i
++) {
570 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), i
,
571 qdev_get_gpio_in(sms
->gic
, irq
+ i
));
575 static void create_pcie(SBSAMachineState
*sms
)
577 hwaddr base_ecam
= sbsa_ref_memmap
[SBSA_PCIE_ECAM
].base
;
578 hwaddr size_ecam
= sbsa_ref_memmap
[SBSA_PCIE_ECAM
].size
;
579 hwaddr base_mmio
= sbsa_ref_memmap
[SBSA_PCIE_MMIO
].base
;
580 hwaddr size_mmio
= sbsa_ref_memmap
[SBSA_PCIE_MMIO
].size
;
581 hwaddr base_mmio_high
= sbsa_ref_memmap
[SBSA_PCIE_MMIO_HIGH
].base
;
582 hwaddr size_mmio_high
= sbsa_ref_memmap
[SBSA_PCIE_MMIO_HIGH
].size
;
583 hwaddr base_pio
= sbsa_ref_memmap
[SBSA_PCIE_PIO
].base
;
584 int irq
= sbsa_ref_irqmap
[SBSA_PCIE
];
585 MemoryRegion
*mmio_alias
, *mmio_alias_high
, *mmio_reg
;
586 MemoryRegion
*ecam_alias
, *ecam_reg
;
591 dev
= qdev_new(TYPE_GPEX_HOST
);
592 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
595 ecam_alias
= g_new0(MemoryRegion
, 1);
596 ecam_reg
= sysbus_mmio_get_region(SYS_BUS_DEVICE(dev
), 0);
597 memory_region_init_alias(ecam_alias
, OBJECT(dev
), "pcie-ecam",
598 ecam_reg
, 0, size_ecam
);
599 memory_region_add_subregion(get_system_memory(), base_ecam
, ecam_alias
);
601 /* Map the MMIO space */
602 mmio_alias
= g_new0(MemoryRegion
, 1);
603 mmio_reg
= sysbus_mmio_get_region(SYS_BUS_DEVICE(dev
), 1);
604 memory_region_init_alias(mmio_alias
, OBJECT(dev
), "pcie-mmio",
605 mmio_reg
, base_mmio
, size_mmio
);
606 memory_region_add_subregion(get_system_memory(), base_mmio
, mmio_alias
);
608 /* Map the MMIO_HIGH space */
609 mmio_alias_high
= g_new0(MemoryRegion
, 1);
610 memory_region_init_alias(mmio_alias_high
, OBJECT(dev
), "pcie-mmio-high",
611 mmio_reg
, base_mmio_high
, size_mmio_high
);
612 memory_region_add_subregion(get_system_memory(), base_mmio_high
,
615 /* Map IO port space */
616 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 2, base_pio
);
618 for (i
= 0; i
< GPEX_NUM_IRQS
; i
++) {
619 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), i
,
620 qdev_get_gpio_in(sms
->gic
, irq
+ i
));
621 gpex_set_irq_num(GPEX_HOST(dev
), i
, irq
+ i
);
624 pci
= PCI_HOST_BRIDGE(dev
);
626 for (i
= 0; i
< nb_nics
; i
++) {
627 NICInfo
*nd
= &nd_table
[i
];
630 nd
->model
= g_strdup("e1000e");
633 pci_nic_init_nofail(nd
, pci
->bus
, nd
->model
, NULL
);
637 pci_create_simple(pci
->bus
, -1, "VGA");
639 create_smmu(sms
, pci
->bus
);
642 static void *sbsa_ref_dtb(const struct arm_boot_info
*binfo
, int *fdt_size
)
644 const SBSAMachineState
*board
= container_of(binfo
, SBSAMachineState
,
647 *fdt_size
= board
->fdt_size
;
651 static void create_secure_ec(MemoryRegion
*mem
)
653 hwaddr base
= sbsa_ref_memmap
[SBSA_SECURE_EC
].base
;
654 DeviceState
*dev
= qdev_new("sbsa-ec");
655 SysBusDevice
*s
= SYS_BUS_DEVICE(dev
);
657 memory_region_add_subregion(mem
, base
,
658 sysbus_mmio_get_region(s
, 0));
661 static void sbsa_ref_init(MachineState
*machine
)
663 unsigned int smp_cpus
= machine
->smp
.cpus
;
664 unsigned int max_cpus
= machine
->smp
.max_cpus
;
665 SBSAMachineState
*sms
= SBSA_MACHINE(machine
);
666 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
667 MemoryRegion
*sysmem
= get_system_memory();
668 MemoryRegion
*secure_sysmem
= g_new(MemoryRegion
, 1);
669 bool firmware_loaded
;
670 const CPUArchIdList
*possible_cpus
;
671 int n
, sbsa_max_cpus
;
673 if (!cpu_type_valid(machine
->cpu_type
)) {
674 error_report("mach-virt: CPU type %s not supported", machine
->cpu_type
);
679 error_report("sbsa-ref: KVM is not supported for this machine");
684 * The Secure view of the world is the same as the NonSecure,
685 * but with a few extra devices. Create it as a container region
686 * containing the system memory at low priority; any secure-only
687 * devices go in at higher priority and take precedence.
689 memory_region_init(secure_sysmem
, OBJECT(machine
), "secure-memory",
691 memory_region_add_subregion_overlap(secure_sysmem
, 0, sysmem
, -1);
693 firmware_loaded
= sbsa_firmware_init(sms
, sysmem
, secure_sysmem
);
695 if (machine
->kernel_filename
&& firmware_loaded
) {
696 error_report("sbsa-ref: No fw_cfg device on this machine, "
697 "so -kernel option is not supported when firmware loaded, "
698 "please load OS from hard disk instead");
703 * This machine has EL3 enabled, external firmware should supply PSCI
704 * implementation, so the QEMU's internal PSCI is disabled.
706 sms
->psci_conduit
= QEMU_PSCI_CONDUIT_DISABLED
;
708 sbsa_max_cpus
= sbsa_ref_memmap
[SBSA_GIC_REDIST
].size
/ GICV3_REDIST_SIZE
;
710 if (max_cpus
> sbsa_max_cpus
) {
711 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
712 "supported by machine 'sbsa-ref' (%d)",
713 max_cpus
, sbsa_max_cpus
);
717 sms
->smp_cpus
= smp_cpus
;
719 if (machine
->ram_size
> sbsa_ref_memmap
[SBSA_MEM
].size
) {
720 error_report("sbsa-ref: cannot model more than %dGB RAM", RAMLIMIT_GB
);
724 possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
725 for (n
= 0; n
< possible_cpus
->len
; n
++) {
733 cpuobj
= object_new(possible_cpus
->cpus
[n
].type
);
734 object_property_set_int(cpuobj
, "mp-affinity",
735 possible_cpus
->cpus
[n
].arch_id
, NULL
);
740 numa_cpu_pre_plug(&possible_cpus
->cpus
[cs
->cpu_index
], DEVICE(cpuobj
),
743 if (object_property_find(cpuobj
, "reset-cbar")) {
744 object_property_set_int(cpuobj
, "reset-cbar",
745 sbsa_ref_memmap
[SBSA_CPUPERIPHS
].base
,
749 object_property_set_link(cpuobj
, "memory", OBJECT(sysmem
),
752 object_property_set_link(cpuobj
, "secure-memory",
753 OBJECT(secure_sysmem
), &error_abort
);
755 qdev_realize(DEVICE(cpuobj
), NULL
, &error_fatal
);
756 object_unref(cpuobj
);
759 memory_region_add_subregion(sysmem
, sbsa_ref_memmap
[SBSA_MEM
].base
,
764 create_secure_ram(sms
, secure_sysmem
);
768 create_uart(sms
, SBSA_UART
, sysmem
, serial_hd(0));
769 create_uart(sms
, SBSA_SECURE_UART
, secure_sysmem
, serial_hd(1));
770 /* Second secure UART for RAS and MM from EL0 */
771 create_uart(sms
, SBSA_SECURE_UART_MM
, secure_sysmem
, serial_hd(2));
785 create_secure_ec(secure_sysmem
);
787 sms
->bootinfo
.ram_size
= machine
->ram_size
;
788 sms
->bootinfo
.nb_cpus
= smp_cpus
;
789 sms
->bootinfo
.board_id
= -1;
790 sms
->bootinfo
.loader_start
= sbsa_ref_memmap
[SBSA_MEM
].base
;
791 sms
->bootinfo
.get_dtb
= sbsa_ref_dtb
;
792 sms
->bootinfo
.firmware_loaded
= firmware_loaded
;
793 arm_load_kernel(ARM_CPU(first_cpu
), machine
, &sms
->bootinfo
);
796 static const CPUArchIdList
*sbsa_ref_possible_cpu_arch_ids(MachineState
*ms
)
798 unsigned int max_cpus
= ms
->smp
.max_cpus
;
799 SBSAMachineState
*sms
= SBSA_MACHINE(ms
);
802 if (ms
->possible_cpus
) {
803 assert(ms
->possible_cpus
->len
== max_cpus
);
804 return ms
->possible_cpus
;
807 ms
->possible_cpus
= g_malloc0(sizeof(CPUArchIdList
) +
808 sizeof(CPUArchId
) * max_cpus
);
809 ms
->possible_cpus
->len
= max_cpus
;
810 for (n
= 0; n
< ms
->possible_cpus
->len
; n
++) {
811 ms
->possible_cpus
->cpus
[n
].type
= ms
->cpu_type
;
812 ms
->possible_cpus
->cpus
[n
].arch_id
=
813 sbsa_ref_cpu_mp_affinity(sms
, n
);
814 ms
->possible_cpus
->cpus
[n
].props
.has_thread_id
= true;
815 ms
->possible_cpus
->cpus
[n
].props
.thread_id
= n
;
817 return ms
->possible_cpus
;
820 static CpuInstanceProperties
821 sbsa_ref_cpu_index_to_props(MachineState
*ms
, unsigned cpu_index
)
823 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
824 const CPUArchIdList
*possible_cpus
= mc
->possible_cpu_arch_ids(ms
);
826 assert(cpu_index
< possible_cpus
->len
);
827 return possible_cpus
->cpus
[cpu_index
].props
;
831 sbsa_ref_get_default_cpu_node_id(const MachineState
*ms
, int idx
)
833 return idx
% ms
->numa_state
->num_nodes
;
836 static void sbsa_ref_instance_init(Object
*obj
)
838 SBSAMachineState
*sms
= SBSA_MACHINE(obj
);
840 sbsa_flash_create(sms
);
843 static void sbsa_ref_class_init(ObjectClass
*oc
, void *data
)
845 MachineClass
*mc
= MACHINE_CLASS(oc
);
847 mc
->init
= sbsa_ref_init
;
848 mc
->desc
= "QEMU 'SBSA Reference' ARM Virtual Machine";
849 mc
->default_cpu_type
= ARM_CPU_TYPE_NAME("cortex-a57");
851 mc
->pci_allow_0_address
= true;
852 mc
->minimum_page_bits
= 12;
853 mc
->block_default_type
= IF_IDE
;
855 mc
->default_ram_size
= 1 * GiB
;
856 mc
->default_ram_id
= "sbsa-ref.ram";
857 mc
->default_cpus
= 4;
858 mc
->possible_cpu_arch_ids
= sbsa_ref_possible_cpu_arch_ids
;
859 mc
->cpu_index_to_instance_props
= sbsa_ref_cpu_index_to_props
;
860 mc
->get_default_cpu_node_id
= sbsa_ref_get_default_cpu_node_id
;
863 static const TypeInfo sbsa_ref_info
= {
864 .name
= TYPE_SBSA_MACHINE
,
865 .parent
= TYPE_MACHINE
,
866 .instance_init
= sbsa_ref_instance_init
,
867 .class_init
= sbsa_ref_class_init
,
868 .instance_size
= sizeof(SBSAMachineState
),
871 static void sbsa_ref_machine_init(void)
873 type_register_static(&sbsa_ref_info
);
876 type_init(sbsa_ref_machine_init
);