/* * Xilinx Zynq MPSoC emulation * * Copyright (C) 2015 Xilinx Inc * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com> * * 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 "qemu-common.h" #include "cpu.h" #include "hw/arm/xlnx-zynqmp.h" #include "hw/intc/arm_gic_common.h" #include "exec/address-spaces.h" #include "sysemu/kvm.h" #include "kvm_arm.h" #define GIC_NUM_SPI_INTR 160 #define ARM_PHYS_TIMER_PPI 30 #define ARM_VIRT_TIMER_PPI 27 #define GEM_REVISION 0x40070106 #define GIC_BASE_ADDR 0xf9000000 #define GIC_DIST_ADDR 0xf9010000 #define GIC_CPU_ADDR 0xf9020000 #define SATA_INTR 133 #define SATA_ADDR 0xFD0C0000 #define SATA_NUM_PORTS 2 #define DP_ADDR 0xfd4a0000 #define DP_IRQ 113 #define DPDMA_ADDR 0xfd4c0000 #define DPDMA_IRQ 116 static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = { 0xFF0B0000, 0xFF0C0000, 0xFF0D0000, 0xFF0E0000, }; static const int gem_intr[XLNX_ZYNQMP_NUM_GEMS] = { 57, 59, 61, 63, }; static const uint64_t uart_addr[XLNX_ZYNQMP_NUM_UARTS] = { 0xFF000000, 0xFF010000, }; static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = { 21, 22, }; static const uint64_t sdhci_addr[XLNX_ZYNQMP_NUM_SDHCI] = { 0xFF160000, 0xFF170000, }; static const int sdhci_intr[XLNX_ZYNQMP_NUM_SDHCI] = { 48, 49, }; static const uint64_t spi_addr[XLNX_ZYNQMP_NUM_SPIS] = { 0xFF040000, 0xFF050000, }; static const int spi_intr[XLNX_ZYNQMP_NUM_SPIS] = { 19, 20, }; typedef struct XlnxZynqMPGICRegion { int region_index; uint32_t address; } XlnxZynqMPGICRegion; static const XlnxZynqMPGICRegion xlnx_zynqmp_gic_regions[] = { { .region_index = 0, .address = GIC_DIST_ADDR, }, { .region_index = 1, .address = GIC_CPU_ADDR, }, }; static inline int arm_gic_ppi_index(int cpu_nr, int ppi_index) { return GIC_NUM_SPI_INTR + cpu_nr * GIC_INTERNAL + ppi_index; } static void xlnx_zynqmp_create_rpu(XlnxZynqMPState *s, const char *boot_cpu, Error **errp) { Error *err = NULL; int i; for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) { char *name; object_initialize(&s->rpu_cpu[i], sizeof(s->rpu_cpu[i]), "cortex-r5-" TYPE_ARM_CPU); object_property_add_child(OBJECT(s), "rpu-cpu[*]", OBJECT(&s->rpu_cpu[i]), &error_abort); name = object_get_canonical_path_component(OBJECT(&s->rpu_cpu[i])); if (strcmp(name, boot_cpu)) { /* Secondary CPUs start in PSCI powered-down state */ object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "start-powered-off", &error_abort); } else { s->boot_cpu_ptr = &s->rpu_cpu[i]; } g_free(name); object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "reset-hivecs", &error_abort); object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } } } static void xlnx_zynqmp_init(Object *obj) { XlnxZynqMPState *s = XLNX_ZYNQMP(obj); int i; for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) { object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]), "cortex-a53-" TYPE_ARM_CPU); object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]), &error_abort); } object_property_add_link(obj, "ddr-ram", TYPE_MEMORY_REGION, (Object **)&s->ddr_ram, qdev_prop_allow_set_link_before_realize, OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); object_initialize(&s->gic, sizeof(s->gic), gic_class_name()); qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default()); for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) { object_initialize(&s->gem[i], sizeof(s->gem[i]), TYPE_CADENCE_GEM); qdev_set_parent_bus(DEVICE(&s->gem[i]), sysbus_get_default()); } for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) { object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_CADENCE_UART); qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default()); } object_initialize(&s->sata, sizeof(s->sata), TYPE_SYSBUS_AHCI); qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default()); for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) { object_initialize(&s->sdhci[i], sizeof(s->sdhci[i]), TYPE_SYSBUS_SDHCI); qdev_set_parent_bus(DEVICE(&s->sdhci[i]), sysbus_get_default()); } for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) { object_initialize(&s->spi[i], sizeof(s->spi[i]), TYPE_XILINX_SPIPS); qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default()); } object_initialize(&s->dp, sizeof(s->dp), TYPE_XLNX_DP); qdev_set_parent_bus(DEVICE(&s->dp), sysbus_get_default()); object_initialize(&s->dpdma, sizeof(s->dpdma), TYPE_XLNX_DPDMA); qdev_set_parent_bus(DEVICE(&s->dpdma), sysbus_get_default()); } static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp) { XlnxZynqMPState *s = XLNX_ZYNQMP(dev); MemoryRegion *system_memory = get_system_memory(); uint8_t i; uint64_t ram_size; const char *boot_cpu = s->boot_cpu ? s->boot_cpu : "apu-cpu[0]"; ram_addr_t ddr_low_size, ddr_high_size; qemu_irq gic_spi[GIC_NUM_SPI_INTR]; Error *err = NULL; ram_size = memory_region_size(s->ddr_ram); /* Create the DDR Memory Regions. User friendly checks should happen at * the board level */ if (ram_size > XLNX_ZYNQMP_MAX_LOW_RAM_SIZE) { /* The RAM size is above the maximum available for the low DDR. * Create the high DDR memory region as well. */ assert(ram_size <= XLNX_ZYNQMP_MAX_RAM_SIZE); ddr_low_size = XLNX_ZYNQMP_MAX_LOW_RAM_SIZE; ddr_high_size = ram_size - XLNX_ZYNQMP_MAX_LOW_RAM_SIZE; memory_region_init_alias(&s->ddr_ram_high, NULL, "ddr-ram-high", s->ddr_ram, ddr_low_size, ddr_high_size); memory_region_add_subregion(get_system_memory(), XLNX_ZYNQMP_HIGH_RAM_START, &s->ddr_ram_high); } else { /* RAM must be non-zero */ assert(ram_size); ddr_low_size = ram_size; } memory_region_init_alias(&s->ddr_ram_low, NULL, "ddr-ram-low", s->ddr_ram, 0, ddr_low_size); memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram_low); /* Create the four OCM banks */ for (i = 0; i < XLNX_ZYNQMP_NUM_OCM_BANKS; i++) { char *ocm_name = g_strdup_printf("zynqmp.ocm_ram_bank_%d", i); memory_region_init_ram(&s->ocm_ram[i], NULL, ocm_name, XLNX_ZYNQMP_OCM_RAM_SIZE, &error_fatal); vmstate_register_ram_global(&s->ocm_ram[i]); memory_region_add_subregion(get_system_memory(), XLNX_ZYNQMP_OCM_RAM_0_ADDRESS + i * XLNX_ZYNQMP_OCM_RAM_SIZE, &s->ocm_ram[i]); g_free(ocm_name); } qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32); qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2); qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_APU_CPUS); /* Realize APUs before realizing the GIC. KVM requires this. */ for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) { char *name; object_property_set_int(OBJECT(&s->apu_cpu[i]), QEMU_PSCI_CONDUIT_SMC, "psci-conduit", &error_abort); name = object_get_canonical_path_component(OBJECT(&s->apu_cpu[i])); if (strcmp(name, boot_cpu)) { /* Secondary CPUs start in PSCI powered-down state */ object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "start-powered-off", &error_abort); } else { s->boot_cpu_ptr = &s->apu_cpu[i]; } g_free(name); object_property_set_bool(OBJECT(&s->apu_cpu[i]), s->secure, "has_el3", NULL); object_property_set_bool(OBJECT(&s->apu_cpu[i]), false, "has_el2", NULL); object_property_set_int(OBJECT(&s->apu_cpu[i]), GIC_BASE_ADDR, "reset-cbar", &error_abort); object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } } object_property_set_bool(OBJECT(&s->gic), true, "realized", &err); if (err) { error_propagate(errp, err); return; } assert(ARRAY_SIZE(xlnx_zynqmp_gic_regions) == XLNX_ZYNQMP_GIC_REGIONS); for (i = 0; i < XLNX_ZYNQMP_GIC_REGIONS; i++) { SysBusDevice *gic = SYS_BUS_DEVICE(&s->gic); const XlnxZynqMPGICRegion *r = &xlnx_zynqmp_gic_regions[i]; MemoryRegion *mr = sysbus_mmio_get_region(gic, r->region_index); uint32_t addr = r->address; int j; sysbus_mmio_map(gic, r->region_index, addr); for (j = 0; j < XLNX_ZYNQMP_GIC_ALIASES; j++) { MemoryRegion *alias = &s->gic_mr[i][j]; addr += XLNX_ZYNQMP_GIC_REGION_SIZE; memory_region_init_alias(alias, OBJECT(s), "zynqmp-gic-alias", mr, 0, XLNX_ZYNQMP_GIC_REGION_SIZE); memory_region_add_subregion(system_memory, addr, alias); } } for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) { qemu_irq irq; sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i, qdev_get_gpio_in(DEVICE(&s->apu_cpu[i]), ARM_CPU_IRQ)); irq = qdev_get_gpio_in(DEVICE(&s->gic), arm_gic_ppi_index(i, ARM_PHYS_TIMER_PPI)); qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 0, irq); irq = qdev_get_gpio_in(DEVICE(&s->gic), arm_gic_ppi_index(i, ARM_VIRT_TIMER_PPI)); qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 1, irq); } if (s->has_rpu) { xlnx_zynqmp_create_rpu(s, boot_cpu, &err); if (err) { error_propagate(errp, err); return; } } if (!s->boot_cpu_ptr) { error_setg(errp, "ZynqMP Boot cpu %s not found", boot_cpu); return; } for (i = 0; i < GIC_NUM_SPI_INTR; i++) { gic_spi[i] = qdev_get_gpio_in(DEVICE(&s->gic), i); } for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) { NICInfo *nd = &nd_table[i]; if (nd->used) { qemu_check_nic_model(nd, TYPE_CADENCE_GEM); qdev_set_nic_properties(DEVICE(&s->gem[i]), nd); } object_property_set_int(OBJECT(&s->gem[i]), GEM_REVISION, "revision", &error_abort); object_property_set_int(OBJECT(&s->gem[i]), 2, "num-priority-queues", &error_abort); object_property_set_bool(OBJECT(&s->gem[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem[i]), 0, gem_addr[i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem[i]), 0, gic_spi[gem_intr[i]]); } for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) { qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hds[i]); object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, uart_addr[i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0, gic_spi[uart_intr[i]]); } object_property_set_int(OBJECT(&s->sata), SATA_NUM_PORTS, "num-ports", &error_abort); object_property_set_bool(OBJECT(&s->sata), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, SATA_ADDR); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, gic_spi[SATA_INTR]); for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) { char *bus_name; object_property_set_bool(OBJECT(&s->sdhci[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci[i]), 0, sdhci_addr[i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci[i]), 0, gic_spi[sdhci_intr[i]]); /* Alias controller SD bus to the SoC itself */ bus_name = g_strdup_printf("sd-bus%d", i); object_property_add_alias(OBJECT(s), bus_name, OBJECT(&s->sdhci[i]), "sd-bus", &error_abort); g_free(bus_name); } for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) { gchar *bus_name; object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err); sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_addr[i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0, gic_spi[spi_intr[i]]); /* Alias controller SPI bus to the SoC itself */ bus_name = g_strdup_printf("spi%d", i); object_property_add_alias(OBJECT(s), bus_name, OBJECT(&s->spi[i]), "spi0", &error_abort); g_free(bus_name); } object_property_set_bool(OBJECT(&s->dp), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->dp), 0, DP_ADDR); sysbus_connect_irq(SYS_BUS_DEVICE(&s->dp), 0, gic_spi[DP_IRQ]); object_property_set_bool(OBJECT(&s->dpdma), true, "realized", &err); if (err) { error_propagate(errp, err); return; } object_property_set_link(OBJECT(&s->dp), OBJECT(&s->dpdma), "dpdma", &error_abort); sysbus_mmio_map(SYS_BUS_DEVICE(&s->dpdma), 0, DPDMA_ADDR); sysbus_connect_irq(SYS_BUS_DEVICE(&s->dpdma), 0, gic_spi[DPDMA_IRQ]); } static Property xlnx_zynqmp_props[] = { DEFINE_PROP_STRING("boot-cpu", XlnxZynqMPState, boot_cpu), DEFINE_PROP_BOOL("secure", XlnxZynqMPState, secure, false), DEFINE_PROP_BOOL("has_rpu", XlnxZynqMPState, has_rpu, false), DEFINE_PROP_END_OF_LIST() }; static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); dc->props = xlnx_zynqmp_props; dc->realize = xlnx_zynqmp_realize; } static const TypeInfo xlnx_zynqmp_type_info = { .name = TYPE_XLNX_ZYNQMP, .parent = TYPE_DEVICE, .instance_size = sizeof(XlnxZynqMPState), .instance_init = xlnx_zynqmp_init, .class_init = xlnx_zynqmp_class_init, }; static void xlnx_zynqmp_register_types(void) { type_register_static(&xlnx_zynqmp_type_info); } type_init(xlnx_zynqmp_register_types)