| /* |
| * ARM SBSA Reference Platform emulation |
| * |
| * Copyright (c) 2018 Linaro Limited |
| * Written by Hongbo Zhang <hongbo.zhang@linaro.org> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2 or later, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/datadir.h" |
| #include "qapi/error.h" |
| #include "qemu/error-report.h" |
| #include "qemu/units.h" |
| #include "sysemu/device_tree.h" |
| #include "sysemu/kvm.h" |
| #include "sysemu/numa.h" |
| #include "sysemu/runstate.h" |
| #include "sysemu/sysemu.h" |
| #include "exec/hwaddr.h" |
| #include "kvm_arm.h" |
| #include "hw/arm/boot.h" |
| #include "hw/arm/fdt.h" |
| #include "hw/arm/smmuv3.h" |
| #include "hw/block/flash.h" |
| #include "hw/boards.h" |
| #include "hw/ide/internal.h" |
| #include "hw/ide/ahci_internal.h" |
| #include "hw/intc/arm_gicv3_common.h" |
| #include "hw/intc/arm_gicv3_its_common.h" |
| #include "hw/loader.h" |
| #include "hw/pci-host/gpex.h" |
| #include "hw/qdev-properties.h" |
| #include "hw/usb.h" |
| #include "hw/char/pl011.h" |
| #include "hw/watchdog/sbsa_gwdt.h" |
| #include "net/net.h" |
| #include "qom/object.h" |
| |
| #define RAMLIMIT_GB 8192 |
| #define RAMLIMIT_BYTES (RAMLIMIT_GB * GiB) |
| |
| #define NUM_IRQS 256 |
| #define NUM_SMMU_IRQS 4 |
| #define NUM_SATA_PORTS 6 |
| |
| #define VIRTUAL_PMU_IRQ 7 |
| #define ARCH_GIC_MAINT_IRQ 9 |
| #define ARCH_TIMER_VIRT_IRQ 11 |
| #define ARCH_TIMER_S_EL1_IRQ 13 |
| #define ARCH_TIMER_NS_EL1_IRQ 14 |
| #define ARCH_TIMER_NS_EL2_IRQ 10 |
| |
| enum { |
| SBSA_FLASH, |
| SBSA_MEM, |
| SBSA_CPUPERIPHS, |
| SBSA_GIC_DIST, |
| SBSA_GIC_REDIST, |
| SBSA_GIC_ITS, |
| SBSA_SECURE_EC, |
| SBSA_GWDT_WS0, |
| SBSA_GWDT_REFRESH, |
| SBSA_GWDT_CONTROL, |
| SBSA_SMMU, |
| SBSA_UART, |
| SBSA_RTC, |
| SBSA_PCIE, |
| SBSA_PCIE_MMIO, |
| SBSA_PCIE_MMIO_HIGH, |
| SBSA_PCIE_PIO, |
| SBSA_PCIE_ECAM, |
| SBSA_GPIO, |
| SBSA_SECURE_UART, |
| SBSA_SECURE_UART_MM, |
| SBSA_SECURE_MEM, |
| SBSA_AHCI, |
| SBSA_EHCI, |
| }; |
| |
| struct SBSAMachineState { |
| MachineState parent; |
| struct arm_boot_info bootinfo; |
| int smp_cpus; |
| void *fdt; |
| int fdt_size; |
| int psci_conduit; |
| DeviceState *gic; |
| PFlashCFI01 *flash[2]; |
| }; |
| |
| #define TYPE_SBSA_MACHINE MACHINE_TYPE_NAME("sbsa-ref") |
| OBJECT_DECLARE_SIMPLE_TYPE(SBSAMachineState, SBSA_MACHINE) |
| |
| static const MemMapEntry sbsa_ref_memmap[] = { |
| /* 512M boot ROM */ |
| [SBSA_FLASH] = { 0, 0x20000000 }, |
| /* 512M secure memory */ |
| [SBSA_SECURE_MEM] = { 0x20000000, 0x20000000 }, |
| /* Space reserved for CPU peripheral devices */ |
| [SBSA_CPUPERIPHS] = { 0x40000000, 0x00040000 }, |
| [SBSA_GIC_DIST] = { 0x40060000, 0x00010000 }, |
| [SBSA_GIC_REDIST] = { 0x40080000, 0x04000000 }, |
| [SBSA_GIC_ITS] = { 0x44081000, 0x00020000 }, |
| [SBSA_SECURE_EC] = { 0x50000000, 0x00001000 }, |
| [SBSA_GWDT_REFRESH] = { 0x50010000, 0x00001000 }, |
| [SBSA_GWDT_CONTROL] = { 0x50011000, 0x00001000 }, |
| [SBSA_UART] = { 0x60000000, 0x00001000 }, |
| [SBSA_RTC] = { 0x60010000, 0x00001000 }, |
| [SBSA_GPIO] = { 0x60020000, 0x00001000 }, |
| [SBSA_SECURE_UART] = { 0x60030000, 0x00001000 }, |
| [SBSA_SECURE_UART_MM] = { 0x60040000, 0x00001000 }, |
| [SBSA_SMMU] = { 0x60050000, 0x00020000 }, |
| /* Space here reserved for more SMMUs */ |
| [SBSA_AHCI] = { 0x60100000, 0x00010000 }, |
| [SBSA_EHCI] = { 0x60110000, 0x00010000 }, |
| /* Space here reserved for other devices */ |
| [SBSA_PCIE_PIO] = { 0x7fff0000, 0x00010000 }, |
| /* 32-bit address PCIE MMIO space */ |
| [SBSA_PCIE_MMIO] = { 0x80000000, 0x70000000 }, |
| /* 256M PCIE ECAM space */ |
| [SBSA_PCIE_ECAM] = { 0xf0000000, 0x10000000 }, |
| /* ~1TB PCIE MMIO space (4GB to 1024GB boundary) */ |
| [SBSA_PCIE_MMIO_HIGH] = { 0x100000000ULL, 0xFF00000000ULL }, |
| [SBSA_MEM] = { 0x10000000000ULL, RAMLIMIT_BYTES }, |
| }; |
| |
| static const int sbsa_ref_irqmap[] = { |
| [SBSA_UART] = 1, |
| [SBSA_RTC] = 2, |
| [SBSA_PCIE] = 3, /* ... to 6 */ |
| [SBSA_GPIO] = 7, |
| [SBSA_SECURE_UART] = 8, |
| [SBSA_SECURE_UART_MM] = 9, |
| [SBSA_AHCI] = 10, |
| [SBSA_EHCI] = 11, |
| [SBSA_SMMU] = 12, /* ... to 15 */ |
| [SBSA_GWDT_WS0] = 16, |
| }; |
| |
| static const char * const valid_cpus[] = { |
| ARM_CPU_TYPE_NAME("cortex-a57"), |
| ARM_CPU_TYPE_NAME("cortex-a72"), |
| ARM_CPU_TYPE_NAME("neoverse-n1"), |
| ARM_CPU_TYPE_NAME("max"), |
| }; |
| |
| static bool cpu_type_valid(const char *cpu) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(valid_cpus); i++) { |
| if (strcmp(cpu, valid_cpus[i]) == 0) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static uint64_t sbsa_ref_cpu_mp_affinity(SBSAMachineState *sms, int idx) |
| { |
| uint8_t clustersz = ARM_DEFAULT_CPUS_PER_CLUSTER; |
| return arm_cpu_mp_affinity(idx, clustersz); |
| } |
| |
| static void sbsa_fdt_add_gic_node(SBSAMachineState *sms) |
| { |
| char *nodename; |
| |
| nodename = g_strdup_printf("/intc"); |
| qemu_fdt_add_subnode(sms->fdt, nodename); |
| qemu_fdt_setprop_sized_cells(sms->fdt, nodename, "reg", |
| 2, sbsa_ref_memmap[SBSA_GIC_DIST].base, |
| 2, sbsa_ref_memmap[SBSA_GIC_DIST].size, |
| 2, sbsa_ref_memmap[SBSA_GIC_REDIST].base, |
| 2, sbsa_ref_memmap[SBSA_GIC_REDIST].size); |
| |
| nodename = g_strdup_printf("/intc/its"); |
| qemu_fdt_add_subnode(sms->fdt, nodename); |
| qemu_fdt_setprop_sized_cells(sms->fdt, nodename, "reg", |
| 2, sbsa_ref_memmap[SBSA_GIC_ITS].base, |
| 2, sbsa_ref_memmap[SBSA_GIC_ITS].size); |
| |
| g_free(nodename); |
| } |
| |
| /* |
| * Firmware on this machine only uses ACPI table to load OS, these limited |
| * device tree nodes are just to let firmware know the info which varies from |
| * command line parameters, so it is not necessary to be fully compatible |
| * with the kernel CPU and NUMA binding rules. |
| */ |
| static void create_fdt(SBSAMachineState *sms) |
| { |
| void *fdt = create_device_tree(&sms->fdt_size); |
| const MachineState *ms = MACHINE(sms); |
| int nb_numa_nodes = ms->numa_state->num_nodes; |
| int cpu; |
| |
| if (!fdt) { |
| error_report("create_device_tree() failed"); |
| exit(1); |
| } |
| |
| sms->fdt = fdt; |
| |
| qemu_fdt_setprop_string(fdt, "/", "compatible", "linux,sbsa-ref"); |
| qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x2); |
| qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x2); |
| |
| /* |
| * This versioning scheme is for informing platform fw only. It is neither: |
| * - A QEMU versioned machine type; a given version of QEMU will emulate |
| * a given version of the platform. |
| * - A reflection of level of SBSA (now SystemReady SR) support provided. |
| * |
| * machine-version-major: updated when changes breaking fw compatibility |
| * are introduced. |
| * machine-version-minor: updated when features are added that don't break |
| * fw compatibility. |
| */ |
| qemu_fdt_setprop_cell(fdt, "/", "machine-version-major", 0); |
| qemu_fdt_setprop_cell(fdt, "/", "machine-version-minor", 2); |
| |
| if (ms->numa_state->have_numa_distance) { |
| int size = nb_numa_nodes * nb_numa_nodes * 3 * sizeof(uint32_t); |
| uint32_t *matrix = g_malloc0(size); |
| int idx, i, j; |
| |
| for (i = 0; i < nb_numa_nodes; i++) { |
| for (j = 0; j < nb_numa_nodes; j++) { |
| idx = (i * nb_numa_nodes + j) * 3; |
| matrix[idx + 0] = cpu_to_be32(i); |
| matrix[idx + 1] = cpu_to_be32(j); |
| matrix[idx + 2] = |
| cpu_to_be32(ms->numa_state->nodes[i].distance[j]); |
| } |
| } |
| |
| qemu_fdt_add_subnode(fdt, "/distance-map"); |
| qemu_fdt_setprop(fdt, "/distance-map", "distance-matrix", |
| matrix, size); |
| g_free(matrix); |
| } |
| |
| /* |
| * From Documentation/devicetree/bindings/arm/cpus.yaml |
| * On ARM v8 64-bit systems this property is required |
| * and matches the MPIDR_EL1 register affinity bits. |
| * |
| * * If cpus node's #address-cells property is set to 2 |
| * |
| * The first reg cell bits [7:0] must be set to |
| * bits [39:32] of MPIDR_EL1. |
| * |
| * The second reg cell bits [23:0] must be set to |
| * bits [23:0] of MPIDR_EL1. |
| */ |
| qemu_fdt_add_subnode(sms->fdt, "/cpus"); |
| qemu_fdt_setprop_cell(sms->fdt, "/cpus", "#address-cells", 2); |
| qemu_fdt_setprop_cell(sms->fdt, "/cpus", "#size-cells", 0x0); |
| |
| for (cpu = sms->smp_cpus - 1; cpu >= 0; cpu--) { |
| char *nodename = g_strdup_printf("/cpus/cpu@%d", cpu); |
| ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(cpu)); |
| CPUState *cs = CPU(armcpu); |
| uint64_t mpidr = sbsa_ref_cpu_mp_affinity(sms, cpu); |
| |
| qemu_fdt_add_subnode(sms->fdt, nodename); |
| qemu_fdt_setprop_u64(sms->fdt, nodename, "reg", mpidr); |
| |
| if (ms->possible_cpus->cpus[cs->cpu_index].props.has_node_id) { |
| qemu_fdt_setprop_cell(sms->fdt, nodename, "numa-node-id", |
| ms->possible_cpus->cpus[cs->cpu_index].props.node_id); |
| } |
| |
| g_free(nodename); |
| } |
| |
| sbsa_fdt_add_gic_node(sms); |
| } |
| |
| #define SBSA_FLASH_SECTOR_SIZE (256 * KiB) |
| |
| static PFlashCFI01 *sbsa_flash_create1(SBSAMachineState *sms, |
| const char *name, |
| const char *alias_prop_name) |
| { |
| /* |
| * Create a single flash device. We use the same parameters as |
| * the flash devices on the Versatile Express board. |
| */ |
| DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); |
| |
| qdev_prop_set_uint64(dev, "sector-length", SBSA_FLASH_SECTOR_SIZE); |
| qdev_prop_set_uint8(dev, "width", 4); |
| qdev_prop_set_uint8(dev, "device-width", 2); |
| qdev_prop_set_bit(dev, "big-endian", false); |
| qdev_prop_set_uint16(dev, "id0", 0x89); |
| qdev_prop_set_uint16(dev, "id1", 0x18); |
| qdev_prop_set_uint16(dev, "id2", 0x00); |
| qdev_prop_set_uint16(dev, "id3", 0x00); |
| qdev_prop_set_string(dev, "name", name); |
| object_property_add_child(OBJECT(sms), name, OBJECT(dev)); |
| object_property_add_alias(OBJECT(sms), alias_prop_name, |
| OBJECT(dev), "drive"); |
| return PFLASH_CFI01(dev); |
| } |
| |
| static void sbsa_flash_create(SBSAMachineState *sms) |
| { |
| sms->flash[0] = sbsa_flash_create1(sms, "sbsa.flash0", "pflash0"); |
| sms->flash[1] = sbsa_flash_create1(sms, "sbsa.flash1", "pflash1"); |
| } |
| |
| static void sbsa_flash_map1(PFlashCFI01 *flash, |
| hwaddr base, hwaddr size, |
| MemoryRegion *sysmem) |
| { |
| DeviceState *dev = DEVICE(flash); |
| |
| assert(QEMU_IS_ALIGNED(size, SBSA_FLASH_SECTOR_SIZE)); |
| assert(size / SBSA_FLASH_SECTOR_SIZE <= UINT32_MAX); |
| qdev_prop_set_uint32(dev, "num-blocks", size / SBSA_FLASH_SECTOR_SIZE); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| |
| memory_region_add_subregion(sysmem, base, |
| sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), |
| 0)); |
| } |
| |
| static void sbsa_flash_map(SBSAMachineState *sms, |
| MemoryRegion *sysmem, |
| MemoryRegion *secure_sysmem) |
| { |
| /* |
| * Map two flash devices to fill the SBSA_FLASH space in the memmap. |
| * sysmem is the system memory space. secure_sysmem is the secure view |
| * of the system, and the first flash device should be made visible only |
| * there. The second flash device is visible to both secure and nonsecure. |
| */ |
| hwaddr flashsize = sbsa_ref_memmap[SBSA_FLASH].size / 2; |
| hwaddr flashbase = sbsa_ref_memmap[SBSA_FLASH].base; |
| |
| sbsa_flash_map1(sms->flash[0], flashbase, flashsize, |
| secure_sysmem); |
| sbsa_flash_map1(sms->flash[1], flashbase + flashsize, flashsize, |
| sysmem); |
| } |
| |
| static bool sbsa_firmware_init(SBSAMachineState *sms, |
| MemoryRegion *sysmem, |
| MemoryRegion *secure_sysmem) |
| { |
| const char *bios_name; |
| int i; |
| BlockBackend *pflash_blk0; |
| |
| /* Map legacy -drive if=pflash to machine properties */ |
| for (i = 0; i < ARRAY_SIZE(sms->flash); i++) { |
| pflash_cfi01_legacy_drive(sms->flash[i], |
| drive_get(IF_PFLASH, 0, i)); |
| } |
| |
| sbsa_flash_map(sms, sysmem, secure_sysmem); |
| |
| pflash_blk0 = pflash_cfi01_get_blk(sms->flash[0]); |
| |
| bios_name = MACHINE(sms)->firmware; |
| if (bios_name) { |
| char *fname; |
| MemoryRegion *mr; |
| int image_size; |
| |
| if (pflash_blk0) { |
| error_report("The contents of the first flash device may be " |
| "specified with -bios or with -drive if=pflash... " |
| "but you cannot use both options at once"); |
| exit(1); |
| } |
| |
| /* Fall back to -bios */ |
| |
| fname = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
| if (!fname) { |
| error_report("Could not find ROM image '%s'", bios_name); |
| exit(1); |
| } |
| mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(sms->flash[0]), 0); |
| image_size = load_image_mr(fname, mr); |
| g_free(fname); |
| if (image_size < 0) { |
| error_report("Could not load ROM image '%s'", bios_name); |
| exit(1); |
| } |
| } |
| |
| return pflash_blk0 || bios_name; |
| } |
| |
| static void create_secure_ram(SBSAMachineState *sms, |
| MemoryRegion *secure_sysmem) |
| { |
| MemoryRegion *secram = g_new(MemoryRegion, 1); |
| hwaddr base = sbsa_ref_memmap[SBSA_SECURE_MEM].base; |
| hwaddr size = sbsa_ref_memmap[SBSA_SECURE_MEM].size; |
| |
| memory_region_init_ram(secram, NULL, "sbsa-ref.secure-ram", size, |
| &error_fatal); |
| memory_region_add_subregion(secure_sysmem, base, secram); |
| } |
| |
| static void create_its(SBSAMachineState *sms) |
| { |
| const char *itsclass = its_class_name(); |
| DeviceState *dev; |
| |
| dev = qdev_new(itsclass); |
| |
| object_property_set_link(OBJECT(dev), "parent-gicv3", OBJECT(sms->gic), |
| &error_abort); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, sbsa_ref_memmap[SBSA_GIC_ITS].base); |
| } |
| |
| static void create_gic(SBSAMachineState *sms, MemoryRegion *mem) |
| { |
| unsigned int smp_cpus = MACHINE(sms)->smp.cpus; |
| SysBusDevice *gicbusdev; |
| const char *gictype; |
| uint32_t redist0_capacity, redist0_count; |
| int i; |
| |
| gictype = gicv3_class_name(); |
| |
| sms->gic = qdev_new(gictype); |
| qdev_prop_set_uint32(sms->gic, "revision", 3); |
| qdev_prop_set_uint32(sms->gic, "num-cpu", smp_cpus); |
| /* |
| * Note that the num-irq property counts both internal and external |
| * interrupts; there are always 32 of the former (mandated by GIC spec). |
| */ |
| qdev_prop_set_uint32(sms->gic, "num-irq", NUM_IRQS + 32); |
| qdev_prop_set_bit(sms->gic, "has-security-extensions", true); |
| |
| redist0_capacity = |
| sbsa_ref_memmap[SBSA_GIC_REDIST].size / GICV3_REDIST_SIZE; |
| redist0_count = MIN(smp_cpus, redist0_capacity); |
| |
| qdev_prop_set_uint32(sms->gic, "len-redist-region-count", 1); |
| qdev_prop_set_uint32(sms->gic, "redist-region-count[0]", redist0_count); |
| |
| object_property_set_link(OBJECT(sms->gic), "sysmem", |
| OBJECT(mem), &error_fatal); |
| qdev_prop_set_bit(sms->gic, "has-lpi", true); |
| |
| gicbusdev = SYS_BUS_DEVICE(sms->gic); |
| sysbus_realize_and_unref(gicbusdev, &error_fatal); |
| sysbus_mmio_map(gicbusdev, 0, sbsa_ref_memmap[SBSA_GIC_DIST].base); |
| sysbus_mmio_map(gicbusdev, 1, sbsa_ref_memmap[SBSA_GIC_REDIST].base); |
| |
| /* |
| * Wire the outputs from each CPU's generic timer and the GICv3 |
| * maintenance interrupt signal to the appropriate GIC PPI inputs, |
| * and the GIC's IRQ/FIQ/VIRQ/VFIQ interrupt outputs to the CPU's inputs. |
| */ |
| for (i = 0; i < smp_cpus; i++) { |
| DeviceState *cpudev = DEVICE(qemu_get_cpu(i)); |
| int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS; |
| int irq; |
| /* |
| * Mapping from the output timer irq lines from the CPU to the |
| * GIC PPI inputs used for this board. |
| */ |
| const int timer_irq[] = { |
| [GTIMER_PHYS] = ARCH_TIMER_NS_EL1_IRQ, |
| [GTIMER_VIRT] = ARCH_TIMER_VIRT_IRQ, |
| [GTIMER_HYP] = ARCH_TIMER_NS_EL2_IRQ, |
| [GTIMER_SEC] = ARCH_TIMER_S_EL1_IRQ, |
| }; |
| |
| for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) { |
| qdev_connect_gpio_out(cpudev, irq, |
| qdev_get_gpio_in(sms->gic, |
| ppibase + timer_irq[irq])); |
| } |
| |
| qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt", 0, |
| qdev_get_gpio_in(sms->gic, ppibase |
| + ARCH_GIC_MAINT_IRQ)); |
| qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0, |
| qdev_get_gpio_in(sms->gic, ppibase |
| + VIRTUAL_PMU_IRQ)); |
| |
| sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); |
| sysbus_connect_irq(gicbusdev, i + smp_cpus, |
| qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); |
| sysbus_connect_irq(gicbusdev, i + 2 * smp_cpus, |
| qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); |
| sysbus_connect_irq(gicbusdev, i + 3 * smp_cpus, |
| qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); |
| } |
| create_its(sms); |
| } |
| |
| static void create_uart(const SBSAMachineState *sms, int uart, |
| MemoryRegion *mem, Chardev *chr) |
| { |
| hwaddr base = sbsa_ref_memmap[uart].base; |
| int irq = sbsa_ref_irqmap[uart]; |
| DeviceState *dev = qdev_new(TYPE_PL011); |
| SysBusDevice *s = SYS_BUS_DEVICE(dev); |
| |
| qdev_prop_set_chr(dev, "chardev", chr); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| memory_region_add_subregion(mem, base, |
| sysbus_mmio_get_region(s, 0)); |
| sysbus_connect_irq(s, 0, qdev_get_gpio_in(sms->gic, irq)); |
| } |
| |
| static void create_rtc(const SBSAMachineState *sms) |
| { |
| hwaddr base = sbsa_ref_memmap[SBSA_RTC].base; |
| int irq = sbsa_ref_irqmap[SBSA_RTC]; |
| |
| sysbus_create_simple("pl031", base, qdev_get_gpio_in(sms->gic, irq)); |
| } |
| |
| static void create_wdt(const SBSAMachineState *sms) |
| { |
| hwaddr rbase = sbsa_ref_memmap[SBSA_GWDT_REFRESH].base; |
| hwaddr cbase = sbsa_ref_memmap[SBSA_GWDT_CONTROL].base; |
| DeviceState *dev = qdev_new(TYPE_WDT_SBSA); |
| SysBusDevice *s = SYS_BUS_DEVICE(dev); |
| int irq = sbsa_ref_irqmap[SBSA_GWDT_WS0]; |
| |
| sysbus_realize_and_unref(s, &error_fatal); |
| sysbus_mmio_map(s, 0, rbase); |
| sysbus_mmio_map(s, 1, cbase); |
| sysbus_connect_irq(s, 0, qdev_get_gpio_in(sms->gic, irq)); |
| } |
| |
| static DeviceState *gpio_key_dev; |
| static void sbsa_ref_powerdown_req(Notifier *n, void *opaque) |
| { |
| /* use gpio Pin 3 for power button event */ |
| qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1); |
| } |
| |
| static Notifier sbsa_ref_powerdown_notifier = { |
| .notify = sbsa_ref_powerdown_req |
| }; |
| |
| static void create_gpio(const SBSAMachineState *sms) |
| { |
| DeviceState *pl061_dev; |
| hwaddr base = sbsa_ref_memmap[SBSA_GPIO].base; |
| int irq = sbsa_ref_irqmap[SBSA_GPIO]; |
| |
| pl061_dev = sysbus_create_simple("pl061", base, |
| qdev_get_gpio_in(sms->gic, irq)); |
| |
| gpio_key_dev = sysbus_create_simple("gpio-key", -1, |
| qdev_get_gpio_in(pl061_dev, 3)); |
| |
| /* connect powerdown request */ |
| qemu_register_powerdown_notifier(&sbsa_ref_powerdown_notifier); |
| } |
| |
| static void create_ahci(const SBSAMachineState *sms) |
| { |
| hwaddr base = sbsa_ref_memmap[SBSA_AHCI].base; |
| int irq = sbsa_ref_irqmap[SBSA_AHCI]; |
| DeviceState *dev; |
| DriveInfo *hd[NUM_SATA_PORTS]; |
| SysbusAHCIState *sysahci; |
| AHCIState *ahci; |
| int i; |
| |
| dev = qdev_new("sysbus-ahci"); |
| qdev_prop_set_uint32(dev, "num-ports", NUM_SATA_PORTS); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); |
| sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(sms->gic, irq)); |
| |
| sysahci = SYSBUS_AHCI(dev); |
| ahci = &sysahci->ahci; |
| ide_drive_get(hd, ARRAY_SIZE(hd)); |
| for (i = 0; i < ahci->ports; i++) { |
| if (hd[i] == NULL) { |
| continue; |
| } |
| ide_bus_create_drive(&ahci->dev[i].port, 0, hd[i]); |
| } |
| } |
| |
| static void create_ehci(const SBSAMachineState *sms) |
| { |
| hwaddr base = sbsa_ref_memmap[SBSA_EHCI].base; |
| int irq = sbsa_ref_irqmap[SBSA_EHCI]; |
| |
| sysbus_create_simple("platform-ehci-usb", base, |
| qdev_get_gpio_in(sms->gic, irq)); |
| } |
| |
| static void create_smmu(const SBSAMachineState *sms, PCIBus *bus) |
| { |
| hwaddr base = sbsa_ref_memmap[SBSA_SMMU].base; |
| int irq = sbsa_ref_irqmap[SBSA_SMMU]; |
| DeviceState *dev; |
| int i; |
| |
| dev = qdev_new(TYPE_ARM_SMMUV3); |
| |
| object_property_set_link(OBJECT(dev), "primary-bus", OBJECT(bus), |
| &error_abort); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); |
| for (i = 0; i < NUM_SMMU_IRQS; i++) { |
| sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, |
| qdev_get_gpio_in(sms->gic, irq + i)); |
| } |
| } |
| |
| static void create_pcie(SBSAMachineState *sms) |
| { |
| hwaddr base_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].base; |
| hwaddr size_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].size; |
| hwaddr base_mmio = sbsa_ref_memmap[SBSA_PCIE_MMIO].base; |
| hwaddr size_mmio = sbsa_ref_memmap[SBSA_PCIE_MMIO].size; |
| hwaddr base_mmio_high = sbsa_ref_memmap[SBSA_PCIE_MMIO_HIGH].base; |
| hwaddr size_mmio_high = sbsa_ref_memmap[SBSA_PCIE_MMIO_HIGH].size; |
| hwaddr base_pio = sbsa_ref_memmap[SBSA_PCIE_PIO].base; |
| int irq = sbsa_ref_irqmap[SBSA_PCIE]; |
| MachineClass *mc = MACHINE_GET_CLASS(sms); |
| MemoryRegion *mmio_alias, *mmio_alias_high, *mmio_reg; |
| MemoryRegion *ecam_alias, *ecam_reg; |
| DeviceState *dev; |
| PCIHostState *pci; |
| int i; |
| |
| dev = qdev_new(TYPE_GPEX_HOST); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| |
| /* Map ECAM space */ |
| ecam_alias = g_new0(MemoryRegion, 1); |
| ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); |
| memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam", |
| ecam_reg, 0, size_ecam); |
| memory_region_add_subregion(get_system_memory(), base_ecam, ecam_alias); |
| |
| /* Map the MMIO space */ |
| mmio_alias = g_new0(MemoryRegion, 1); |
| mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); |
| memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio", |
| mmio_reg, base_mmio, size_mmio); |
| memory_region_add_subregion(get_system_memory(), base_mmio, mmio_alias); |
| |
| /* Map the MMIO_HIGH space */ |
| mmio_alias_high = g_new0(MemoryRegion, 1); |
| memory_region_init_alias(mmio_alias_high, OBJECT(dev), "pcie-mmio-high", |
| mmio_reg, base_mmio_high, size_mmio_high); |
| memory_region_add_subregion(get_system_memory(), base_mmio_high, |
| mmio_alias_high); |
| |
| /* Map IO port space */ |
| sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio); |
| |
| for (i = 0; i < GPEX_NUM_IRQS; i++) { |
| sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, |
| qdev_get_gpio_in(sms->gic, irq + i)); |
| gpex_set_irq_num(GPEX_HOST(dev), i, irq + i); |
| } |
| |
| pci = PCI_HOST_BRIDGE(dev); |
| if (pci->bus) { |
| for (i = 0; i < nb_nics; i++) { |
| NICInfo *nd = &nd_table[i]; |
| |
| if (!nd->model) { |
| nd->model = g_strdup(mc->default_nic); |
| } |
| |
| pci_nic_init_nofail(nd, pci->bus, nd->model, NULL); |
| } |
| } |
| |
| pci_create_simple(pci->bus, -1, "bochs-display"); |
| |
| create_smmu(sms, pci->bus); |
| } |
| |
| static void *sbsa_ref_dtb(const struct arm_boot_info *binfo, int *fdt_size) |
| { |
| const SBSAMachineState *board = container_of(binfo, SBSAMachineState, |
| bootinfo); |
| |
| *fdt_size = board->fdt_size; |
| return board->fdt; |
| } |
| |
| static void create_secure_ec(MemoryRegion *mem) |
| { |
| hwaddr base = sbsa_ref_memmap[SBSA_SECURE_EC].base; |
| DeviceState *dev = qdev_new("sbsa-ec"); |
| SysBusDevice *s = SYS_BUS_DEVICE(dev); |
| |
| memory_region_add_subregion(mem, base, |
| sysbus_mmio_get_region(s, 0)); |
| } |
| |
| static void sbsa_ref_init(MachineState *machine) |
| { |
| unsigned int smp_cpus = machine->smp.cpus; |
| unsigned int max_cpus = machine->smp.max_cpus; |
| SBSAMachineState *sms = SBSA_MACHINE(machine); |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| MemoryRegion *sysmem = get_system_memory(); |
| MemoryRegion *secure_sysmem = g_new(MemoryRegion, 1); |
| bool firmware_loaded; |
| const CPUArchIdList *possible_cpus; |
| int n, sbsa_max_cpus; |
| |
| if (!cpu_type_valid(machine->cpu_type)) { |
| error_report("sbsa-ref: CPU type %s not supported", machine->cpu_type); |
| exit(1); |
| } |
| |
| if (kvm_enabled()) { |
| error_report("sbsa-ref: KVM is not supported for this machine"); |
| exit(1); |
| } |
| |
| /* |
| * The Secure view of the world is the same as the NonSecure, |
| * but with a few extra devices. Create it as a container region |
| * containing the system memory at low priority; any secure-only |
| * devices go in at higher priority and take precedence. |
| */ |
| memory_region_init(secure_sysmem, OBJECT(machine), "secure-memory", |
| UINT64_MAX); |
| memory_region_add_subregion_overlap(secure_sysmem, 0, sysmem, -1); |
| |
| firmware_loaded = sbsa_firmware_init(sms, sysmem, secure_sysmem); |
| |
| /* |
| * This machine has EL3 enabled, external firmware should supply PSCI |
| * implementation, so the QEMU's internal PSCI is disabled. |
| */ |
| sms->psci_conduit = QEMU_PSCI_CONDUIT_DISABLED; |
| |
| sbsa_max_cpus = sbsa_ref_memmap[SBSA_GIC_REDIST].size / GICV3_REDIST_SIZE; |
| |
| if (max_cpus > sbsa_max_cpus) { |
| error_report("Number of SMP CPUs requested (%d) exceeds max CPUs " |
| "supported by machine 'sbsa-ref' (%d)", |
| max_cpus, sbsa_max_cpus); |
| exit(1); |
| } |
| |
| sms->smp_cpus = smp_cpus; |
| |
| if (machine->ram_size > sbsa_ref_memmap[SBSA_MEM].size) { |
| error_report("sbsa-ref: cannot model more than %dGB RAM", RAMLIMIT_GB); |
| exit(1); |
| } |
| |
| possible_cpus = mc->possible_cpu_arch_ids(machine); |
| for (n = 0; n < possible_cpus->len; n++) { |
| Object *cpuobj; |
| CPUState *cs; |
| |
| if (n >= smp_cpus) { |
| break; |
| } |
| |
| cpuobj = object_new(possible_cpus->cpus[n].type); |
| object_property_set_int(cpuobj, "mp-affinity", |
| possible_cpus->cpus[n].arch_id, NULL); |
| |
| cs = CPU(cpuobj); |
| cs->cpu_index = n; |
| |
| numa_cpu_pre_plug(&possible_cpus->cpus[cs->cpu_index], DEVICE(cpuobj), |
| &error_fatal); |
| |
| if (object_property_find(cpuobj, "reset-cbar")) { |
| object_property_set_int(cpuobj, "reset-cbar", |
| sbsa_ref_memmap[SBSA_CPUPERIPHS].base, |
| &error_abort); |
| } |
| |
| object_property_set_link(cpuobj, "memory", OBJECT(sysmem), |
| &error_abort); |
| |
| object_property_set_link(cpuobj, "secure-memory", |
| OBJECT(secure_sysmem), &error_abort); |
| |
| qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); |
| object_unref(cpuobj); |
| } |
| |
| memory_region_add_subregion(sysmem, sbsa_ref_memmap[SBSA_MEM].base, |
| machine->ram); |
| |
| create_fdt(sms); |
| |
| create_secure_ram(sms, secure_sysmem); |
| |
| create_gic(sms, sysmem); |
| |
| create_uart(sms, SBSA_UART, sysmem, serial_hd(0)); |
| create_uart(sms, SBSA_SECURE_UART, secure_sysmem, serial_hd(1)); |
| /* Second secure UART for RAS and MM from EL0 */ |
| create_uart(sms, SBSA_SECURE_UART_MM, secure_sysmem, serial_hd(2)); |
| |
| create_rtc(sms); |
| |
| create_wdt(sms); |
| |
| create_gpio(sms); |
| |
| create_ahci(sms); |
| |
| create_ehci(sms); |
| |
| create_pcie(sms); |
| |
| create_secure_ec(secure_sysmem); |
| |
| sms->bootinfo.ram_size = machine->ram_size; |
| sms->bootinfo.board_id = -1; |
| sms->bootinfo.loader_start = sbsa_ref_memmap[SBSA_MEM].base; |
| sms->bootinfo.get_dtb = sbsa_ref_dtb; |
| sms->bootinfo.firmware_loaded = firmware_loaded; |
| arm_load_kernel(ARM_CPU(first_cpu), machine, &sms->bootinfo); |
| } |
| |
| static const CPUArchIdList *sbsa_ref_possible_cpu_arch_ids(MachineState *ms) |
| { |
| unsigned int max_cpus = ms->smp.max_cpus; |
| SBSAMachineState *sms = SBSA_MACHINE(ms); |
| int n; |
| |
| if (ms->possible_cpus) { |
| assert(ms->possible_cpus->len == max_cpus); |
| return ms->possible_cpus; |
| } |
| |
| ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + |
| sizeof(CPUArchId) * max_cpus); |
| ms->possible_cpus->len = max_cpus; |
| for (n = 0; n < ms->possible_cpus->len; n++) { |
| ms->possible_cpus->cpus[n].type = ms->cpu_type; |
| ms->possible_cpus->cpus[n].arch_id = |
| sbsa_ref_cpu_mp_affinity(sms, n); |
| ms->possible_cpus->cpus[n].props.has_thread_id = true; |
| ms->possible_cpus->cpus[n].props.thread_id = n; |
| } |
| return ms->possible_cpus; |
| } |
| |
| static CpuInstanceProperties |
| sbsa_ref_cpu_index_to_props(MachineState *ms, unsigned cpu_index) |
| { |
| MachineClass *mc = MACHINE_GET_CLASS(ms); |
| const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); |
| |
| assert(cpu_index < possible_cpus->len); |
| return possible_cpus->cpus[cpu_index].props; |
| } |
| |
| static int64_t |
| sbsa_ref_get_default_cpu_node_id(const MachineState *ms, int idx) |
| { |
| return idx % ms->numa_state->num_nodes; |
| } |
| |
| static void sbsa_ref_instance_init(Object *obj) |
| { |
| SBSAMachineState *sms = SBSA_MACHINE(obj); |
| |
| sbsa_flash_create(sms); |
| } |
| |
| static void sbsa_ref_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->init = sbsa_ref_init; |
| mc->desc = "QEMU 'SBSA Reference' ARM Virtual Machine"; |
| mc->default_cpu_type = ARM_CPU_TYPE_NAME("neoverse-n1"); |
| mc->max_cpus = 512; |
| mc->pci_allow_0_address = true; |
| mc->minimum_page_bits = 12; |
| mc->block_default_type = IF_IDE; |
| mc->no_cdrom = 1; |
| mc->default_nic = "e1000e"; |
| mc->default_ram_size = 1 * GiB; |
| mc->default_ram_id = "sbsa-ref.ram"; |
| mc->default_cpus = 4; |
| mc->possible_cpu_arch_ids = sbsa_ref_possible_cpu_arch_ids; |
| mc->cpu_index_to_instance_props = sbsa_ref_cpu_index_to_props; |
| mc->get_default_cpu_node_id = sbsa_ref_get_default_cpu_node_id; |
| /* platform instead of architectural choice */ |
| mc->cpu_cluster_has_numa_boundary = true; |
| } |
| |
| static const TypeInfo sbsa_ref_info = { |
| .name = TYPE_SBSA_MACHINE, |
| .parent = TYPE_MACHINE, |
| .instance_init = sbsa_ref_instance_init, |
| .class_init = sbsa_ref_class_init, |
| .instance_size = sizeof(SBSAMachineState), |
| }; |
| |
| static void sbsa_ref_machine_init(void) |
| { |
| type_register_static(&sbsa_ref_info); |
| } |
| |
| type_init(sbsa_ref_machine_init); |
