/* * Xilinx ZynqMP ZCU102 board * * Copyright (C) 2015 Xilinx Inc * Written by Peter Crosthwaite * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that 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. */ #include "qemu/osdep.h" #include "qapi/error.h" #include "cpu.h" #include "hw/arm/xlnx-zynqmp.h" #include "hw/boards.h" #include "qemu/error-report.h" #include "qemu/log.h" #include "sysemu/qtest.h" #include "sysemu/device_tree.h" typedef struct XlnxZCU102 { MachineState parent_obj; XlnxZynqMPState soc; bool secure; bool virt; struct arm_boot_info binfo; } XlnxZCU102; #define TYPE_ZCU102_MACHINE MACHINE_TYPE_NAME("xlnx-zcu102") #define ZCU102_MACHINE(obj) \ OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE) static bool zcu102_get_secure(Object *obj, Error **errp) { XlnxZCU102 *s = ZCU102_MACHINE(obj); return s->secure; } static void zcu102_set_secure(Object *obj, bool value, Error **errp) { XlnxZCU102 *s = ZCU102_MACHINE(obj); s->secure = value; } static bool zcu102_get_virt(Object *obj, Error **errp) { XlnxZCU102 *s = ZCU102_MACHINE(obj); return s->virt; } static void zcu102_set_virt(Object *obj, bool value, Error **errp) { XlnxZCU102 *s = ZCU102_MACHINE(obj); s->virt = value; } static void zcu102_modify_dtb(const struct arm_boot_info *binfo, void *fdt) { XlnxZCU102 *s = container_of(binfo, XlnxZCU102, binfo); bool method_is_hvc; char **node_path; const char *r; int prop_len; int i; /* If EL3 is enabled, we keep all firmware nodes active. */ if (!s->secure) { node_path = qemu_fdt_node_path(fdt, NULL, "xlnx,zynqmp-firmware", &error_fatal); for (i = 0; node_path && node_path[i]; i++) { r = qemu_fdt_getprop(fdt, node_path[i], "method", &prop_len, NULL); method_is_hvc = r && !strcmp("hvc", r); /* Allow HVC based firmware if EL2 is enabled. */ if (method_is_hvc && s->virt) { continue; } qemu_fdt_setprop_string(fdt, node_path[i], "status", "disabled"); } g_strfreev(node_path); } } static void xlnx_zcu102_init(MachineState *machine) { XlnxZCU102 *s = ZCU102_MACHINE(machine); int i; uint64_t ram_size = machine->ram_size; /* Create the memory region to pass to the SoC */ if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) { error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of " "0x%llx", ram_size, XLNX_ZYNQMP_MAX_RAM_SIZE); exit(1); } if (ram_size < 0x08000000) { qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102", ram_size); } object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP, &error_abort, NULL); object_property_set_link(OBJECT(&s->soc), OBJECT(machine->ram), "ddr-ram", &error_abort); object_property_set_bool(OBJECT(&s->soc), s->secure, "secure", &error_fatal); object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization", &error_fatal); object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal); /* Create and plug in the SD cards */ for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) { BusState *bus; DriveInfo *di = drive_get_next(IF_SD); BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL; DeviceState *carddev; char *bus_name; bus_name = g_strdup_printf("sd-bus%d", i); bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name); g_free(bus_name); if (!bus) { error_report("No SD bus found for SD card %d", i); exit(1); } carddev = qdev_create(bus, TYPE_SD_CARD); qdev_prop_set_drive(carddev, "drive", blk, &error_fatal); object_property_set_bool(OBJECT(carddev), true, "realized", &error_fatal); } for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) { SSIBus *spi_bus; DeviceState *flash_dev; qemu_irq cs_line; DriveInfo *dinfo = drive_get_next(IF_MTD); gchar *bus_name = g_strdup_printf("spi%d", i); spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name); g_free(bus_name); flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080"); if (dinfo) { qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo), &error_fatal); } qdev_init_nofail(flash_dev); cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0); sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line); } for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) { SSIBus *spi_bus; DeviceState *flash_dev; qemu_irq cs_line; DriveInfo *dinfo = drive_get_next(IF_MTD); int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS; gchar *bus_name = g_strdup_printf("qspi%d", bus); spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name); g_free(bus_name); flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11"); if (dinfo) { qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo), &error_fatal); } qdev_init_nofail(flash_dev); cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0); sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line); } /* TODO create and connect IDE devices for ide_drive_get() */ s->binfo.ram_size = ram_size; s->binfo.loader_start = 0; s->binfo.modify_dtb = zcu102_modify_dtb; arm_load_kernel(s->soc.boot_cpu_ptr, machine, &s->binfo); } static void xlnx_zcu102_machine_instance_init(Object *obj) { XlnxZCU102 *s = ZCU102_MACHINE(obj); /* Default to secure mode being disabled */ s->secure = false; object_property_add_bool(obj, "secure", zcu102_get_secure, zcu102_set_secure, NULL); object_property_set_description(obj, "secure", "Set on/off to enable/disable the ARM " "Security Extensions (TrustZone)", NULL); /* Default to virt (EL2) being disabled */ s->virt = false; object_property_add_bool(obj, "virtualization", zcu102_get_virt, zcu102_set_virt, NULL); object_property_set_description(obj, "virtualization", "Set on/off to enable/disable emulating a " "guest CPU which implements the ARM " "Virtualization Extensions", NULL); } static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5Fs based on " \ "the value of smp"; mc->init = xlnx_zcu102_init; mc->block_default_type = IF_IDE; mc->units_per_default_bus = 1; mc->ignore_memory_transaction_failures = true; mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS; mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS; mc->default_ram_id = "ddr-ram"; } static const TypeInfo xlnx_zcu102_machine_init_typeinfo = { .name = MACHINE_TYPE_NAME("xlnx-zcu102"), .parent = TYPE_MACHINE, .class_init = xlnx_zcu102_machine_class_init, .instance_init = xlnx_zcu102_machine_instance_init, .instance_size = sizeof(XlnxZCU102), }; static void xlnx_zcu102_machine_init_register_types(void) { type_register_static(&xlnx_zcu102_machine_init_typeinfo); } type_init(xlnx_zcu102_machine_init_register_types)