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Diffstat (limited to 'hw/arm/sbsa-ref.c')
| -rw-r--r-- | hw/arm/sbsa-ref.c | 868 |
1 files changed, 868 insertions, 0 deletions
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c new file mode 100644 index 000000000..358714bd3 --- /dev/null +++ b/hw/arm/sbsa-ref.c @@ -0,0 +1,868 @@ +/* + * 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-common.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/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/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/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_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_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("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); +} + +/* + * 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); + + 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); + } +} + +#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_gic(SBSAMachineState *sms) +{ + 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); + + 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)); + } +} + +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_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("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]; + 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("e1000e"); + } + + pci_nic_init_nofail(nd, pci->bus, nd->model, NULL); + } + } + + pci_create_simple(pci->bus, -1, "VGA"); + + 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); + + 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.nb_cpus = smp_cpus; + 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("cortex-a57"); + 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_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; +} + +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); |