/* * Xilinx Versal SoC model. * * Copyright (c) 2018 Xilinx Inc. * Written by Edgar E. Iglesias * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 or * (at your option) any later version. */ #include "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" #include "qemu/module.h" #include "hw/sysbus.h" #include "net/net.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" #include "hw/arm/boot.h" #include "kvm_arm.h" #include "hw/misc/unimp.h" #include "hw/arm/xlnx-versal.h" #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72") #define GEM_REVISION 0x40070106 #define VERSAL_NUM_PMC_APB_IRQS 2 static void versal_create_apu_cpus(Versal *s) { int i; for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) { Object *obj; object_initialize_child(OBJECT(s), "apu-cpu[*]", &s->fpd.apu.cpu[i], XLNX_VERSAL_ACPU_TYPE); obj = OBJECT(&s->fpd.apu.cpu[i]); object_property_set_int(obj, "psci-conduit", s->cfg.psci_conduit, &error_abort); if (i) { /* Secondary CPUs start in PSCI powered-down state */ object_property_set_bool(obj, "start-powered-off", true, &error_abort); } object_property_set_int(obj, "core-count", ARRAY_SIZE(s->fpd.apu.cpu), &error_abort); object_property_set_link(obj, "memory", OBJECT(&s->fpd.apu.mr), &error_abort); qdev_realize(DEVICE(obj), NULL, &error_fatal); } } static void versal_create_apu_gic(Versal *s, qemu_irq *pic) { static const uint64_t addrs[] = { MM_GIC_APU_DIST_MAIN, MM_GIC_APU_REDIST_0 }; SysBusDevice *gicbusdev; DeviceState *gicdev; int nr_apu_cpus = ARRAY_SIZE(s->fpd.apu.cpu); int i; object_initialize_child(OBJECT(s), "apu-gic", &s->fpd.apu.gic, gicv3_class_name()); gicbusdev = SYS_BUS_DEVICE(&s->fpd.apu.gic); gicdev = DEVICE(&s->fpd.apu.gic); qdev_prop_set_uint32(gicdev, "revision", 3); qdev_prop_set_uint32(gicdev, "num-cpu", nr_apu_cpus); qdev_prop_set_uint32(gicdev, "num-irq", XLNX_VERSAL_NR_IRQS + 32); qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1); qdev_prop_set_uint32(gicdev, "redist-region-count[0]", nr_apu_cpus); qdev_prop_set_bit(gicdev, "has-security-extensions", true); sysbus_realize(SYS_BUS_DEVICE(&s->fpd.apu.gic), &error_fatal); for (i = 0; i < ARRAY_SIZE(addrs); i++) { MemoryRegion *mr; mr = sysbus_mmio_get_region(gicbusdev, i); memory_region_add_subregion(&s->fpd.apu.mr, addrs[i], mr); } for (i = 0; i < nr_apu_cpus; i++) { DeviceState *cpudev = DEVICE(&s->fpd.apu.cpu[i]); int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS; qemu_irq maint_irq; int ti; /* Mapping from the output timer irq lines from the CPU to the * GIC PPI inputs. */ const int timer_irq[] = { [GTIMER_PHYS] = VERSAL_TIMER_NS_EL1_IRQ, [GTIMER_VIRT] = VERSAL_TIMER_VIRT_IRQ, [GTIMER_HYP] = VERSAL_TIMER_NS_EL2_IRQ, [GTIMER_SEC] = VERSAL_TIMER_S_EL1_IRQ, }; for (ti = 0; ti < ARRAY_SIZE(timer_irq); ti++) { qdev_connect_gpio_out(cpudev, ti, qdev_get_gpio_in(gicdev, ppibase + timer_irq[ti])); } maint_irq = qdev_get_gpio_in(gicdev, ppibase + VERSAL_GIC_MAINT_IRQ); qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt", 0, maint_irq); sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); sysbus_connect_irq(gicbusdev, i + nr_apu_cpus, qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); sysbus_connect_irq(gicbusdev, i + 2 * nr_apu_cpus, qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); sysbus_connect_irq(gicbusdev, i + 3 * nr_apu_cpus, qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); } for (i = 0; i < XLNX_VERSAL_NR_IRQS; i++) { pic[i] = qdev_get_gpio_in(gicdev, i); } } static void versal_create_uarts(Versal *s, qemu_irq *pic) { int i; for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) { static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0}; static const uint64_t addrs[] = { MM_UART0, MM_UART1 }; char *name = g_strdup_printf("uart%d", i); DeviceState *dev; MemoryRegion *mr; object_initialize_child(OBJECT(s), name, &s->lpd.iou.uart[i], TYPE_PL011); dev = DEVICE(&s->lpd.iou.uart[i]); qdev_prop_set_chr(dev, "chardev", serial_hd(i)); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->mr_ps, addrs[i], mr); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]); g_free(name); } } static void versal_create_usbs(Versal *s, qemu_irq *pic) { DeviceState *dev; MemoryRegion *mr; object_initialize_child(OBJECT(s), "usb2", &s->lpd.iou.usb, TYPE_XILINX_VERSAL_USB2); dev = DEVICE(&s->lpd.iou.usb); object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps), &error_abort); qdev_prop_set_uint32(dev, "intrs", 1); qdev_prop_set_uint32(dev, "slots", 2); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->mr_ps, MM_USB_0, mr); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_USB0_IRQ_0]); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); memory_region_add_subregion(&s->mr_ps, MM_USB2_CTRL_REGS, mr); } static void versal_create_gems(Versal *s, qemu_irq *pic) { int i; for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) { static const int irqs[] = { VERSAL_GEM0_IRQ_0, VERSAL_GEM1_IRQ_0}; static const uint64_t addrs[] = { MM_GEM0, MM_GEM1 }; char *name = g_strdup_printf("gem%d", i); NICInfo *nd = &nd_table[i]; DeviceState *dev; MemoryRegion *mr; object_initialize_child(OBJECT(s), name, &s->lpd.iou.gem[i], TYPE_CADENCE_GEM); dev = DEVICE(&s->lpd.iou.gem[i]); /* FIXME use qdev NIC properties instead of nd_table[] */ if (nd->used) { qemu_check_nic_model(nd, "cadence_gem"); qdev_set_nic_properties(dev, nd); } object_property_set_int(OBJECT(dev), "phy-addr", 23, &error_abort); object_property_set_int(OBJECT(dev), "num-priority-queues", 2, &error_abort); object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps), &error_abort); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->mr_ps, addrs[i], mr); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]); g_free(name); } } static void versal_create_admas(Versal *s, qemu_irq *pic) { int i; for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) { char *name = g_strdup_printf("adma%d", i); DeviceState *dev; MemoryRegion *mr; object_initialize_child(OBJECT(s), name, &s->lpd.iou.adma[i], TYPE_XLNX_ZDMA); dev = DEVICE(&s->lpd.iou.adma[i]); object_property_set_int(OBJECT(dev), "bus-width", 128, &error_abort); object_property_set_link(OBJECT(dev), "dma", OBJECT(get_system_memory()), &error_fatal); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->mr_ps, MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_ADMA_IRQ_0 + i]); g_free(name); } } #define SDHCI_CAPABILITIES 0x280737ec6481 /* Same as on ZynqMP. */ static void versal_create_sds(Versal *s, qemu_irq *pic) { int i; for (i = 0; i < ARRAY_SIZE(s->pmc.iou.sd); i++) { DeviceState *dev; MemoryRegion *mr; object_initialize_child(OBJECT(s), "sd[*]", &s->pmc.iou.sd[i], TYPE_SYSBUS_SDHCI); dev = DEVICE(&s->pmc.iou.sd[i]); object_property_set_uint(OBJECT(dev), "sd-spec-version", 3, &error_fatal); object_property_set_uint(OBJECT(dev), "capareg", SDHCI_CAPABILITIES, &error_fatal); object_property_set_uint(OBJECT(dev), "uhs", UHS_I, &error_fatal); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->mr_ps, MM_PMC_SD0 + i * MM_PMC_SD0_SIZE, mr); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_SD0_IRQ_0 + i * 2]); } } static void versal_create_pmc_apb_irq_orgate(Versal *s, qemu_irq *pic) { DeviceState *orgate; /* * The VERSAL_PMC_APB_IRQ is an 'or' of the interrupts from the following * models: * - RTC * - BBRAM */ object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate", &s->pmc.apb_irq_orgate, TYPE_OR_IRQ); orgate = DEVICE(&s->pmc.apb_irq_orgate); object_property_set_int(OBJECT(orgate), "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal); qdev_realize(orgate, NULL, &error_fatal); qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]); } static void versal_create_rtc(Versal *s, qemu_irq *pic) { SysBusDevice *sbd; MemoryRegion *mr; object_initialize_child(OBJECT(s), "rtc", &s->pmc.rtc, TYPE_XLNX_ZYNQMP_RTC); sbd = SYS_BUS_DEVICE(&s->pmc.rtc); sysbus_realize(SYS_BUS_DEVICE(sbd), &error_fatal); mr = sysbus_mmio_get_region(sbd, 0); memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr); /* * TODO: Connect the ALARM and SECONDS interrupts once our RTC model * supports them. */ sysbus_connect_irq(sbd, 1, qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0)); } static void versal_create_xrams(Versal *s, qemu_irq *pic) { int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl); DeviceState *orgate; int i; /* XRAM IRQs get ORed into a single line. */ object_initialize_child(OBJECT(s), "xram-irq-orgate", &s->lpd.xram.irq_orgate, TYPE_OR_IRQ); orgate = DEVICE(&s->lpd.xram.irq_orgate); object_property_set_int(OBJECT(orgate), "num-lines", nr_xrams, &error_fatal); qdev_realize(orgate, NULL, &error_fatal); qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]); for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) { SysBusDevice *sbd; MemoryRegion *mr; object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i], TYPE_XLNX_XRAM_CTRL); sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]); sysbus_realize(sbd, &error_fatal); mr = sysbus_mmio_get_region(sbd, 0); memory_region_add_subregion(&s->mr_ps, MM_XRAMC + i * MM_XRAMC_SIZE, mr); mr = sysbus_mmio_get_region(sbd, 1); memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr); sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i)); } } static void versal_create_bbram(Versal *s, qemu_irq *pic) { SysBusDevice *sbd; object_initialize_child_with_props(OBJECT(s), "bbram", &s->pmc.bbram, sizeof(s->pmc.bbram), TYPE_XLNX_BBRAM, &error_fatal, "crc-zpads", "0", NULL); sbd = SYS_BUS_DEVICE(&s->pmc.bbram); sysbus_realize(sbd, &error_fatal); memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL, sysbus_mmio_get_region(sbd, 0)); sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1)); } static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base) { SysBusDevice *part = SYS_BUS_DEVICE(dev); object_property_set_link(OBJECT(part), "efuse", OBJECT(&s->pmc.efuse), &error_abort); sysbus_realize(part, &error_abort); memory_region_add_subregion(&s->mr_ps, base, sysbus_mmio_get_region(part, 0)); } static void versal_create_efuse(Versal *s, qemu_irq *pic) { Object *bits = OBJECT(&s->pmc.efuse); Object *ctrl = OBJECT(&s->pmc.efuse_ctrl); Object *cache = OBJECT(&s->pmc.efuse_cache); object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse_ctrl, TYPE_XLNX_VERSAL_EFUSE_CTRL); object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse_cache, TYPE_XLNX_VERSAL_EFUSE_CACHE); object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits, sizeof(s->pmc.efuse), TYPE_XLNX_EFUSE, &error_abort, "efuse-nr", "3", "efuse-size", "8192", NULL); qdev_realize(DEVICE(bits), NULL, &error_abort); versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL); versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE); sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]); } /* This takes the board allocated linear DDR memory and creates aliases * for each split DDR range/aperture on the Versal address map. */ static void versal_map_ddr(Versal *s) { uint64_t size = memory_region_size(s->cfg.mr_ddr); /* Describes the various split DDR access regions. */ static const struct { uint64_t base; uint64_t size; } addr_ranges[] = { { MM_TOP_DDR, MM_TOP_DDR_SIZE }, { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE }, { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE }, { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE } }; uint64_t offset = 0; int i; assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges)); for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) { char *name; uint64_t mapsize; mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size; name = g_strdup_printf("noc-ddr-range%d", i); /* Create the MR alias. */ memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s), name, s->cfg.mr_ddr, offset, mapsize); /* Map it onto the NoC MR. */ memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base, &s->noc.mr_ddr_ranges[i]); offset += mapsize; size -= mapsize; g_free(name); } } static void versal_unimp_area(Versal *s, const char *name, MemoryRegion *mr, hwaddr base, hwaddr size) { DeviceState *dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE); MemoryRegion *mr_dev; qdev_prop_set_string(dev, "name", name); qdev_prop_set_uint64(dev, "size", size); object_property_add_child(OBJECT(s), name, OBJECT(dev)); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(mr, base, mr_dev); } static void versal_unimp(Versal *s) { versal_unimp_area(s, "psm", &s->mr_ps, MM_PSM_START, MM_PSM_END - MM_PSM_START); versal_unimp_area(s, "crl", &s->mr_ps, MM_CRL, MM_CRL_SIZE); versal_unimp_area(s, "crf", &s->mr_ps, MM_FPD_CRF, MM_FPD_CRF_SIZE); versal_unimp_area(s, "apu", &s->mr_ps, MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE); versal_unimp_area(s, "crp", &s->mr_ps, MM_PMC_CRP, MM_PMC_CRP_SIZE); versal_unimp_area(s, "iou-scntr", &s->mr_ps, MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE); versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps, MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE); } static void versal_realize(DeviceState *dev, Error **errp) { Versal *s = XLNX_VERSAL(dev); qemu_irq pic[XLNX_VERSAL_NR_IRQS]; versal_create_apu_cpus(s); versal_create_apu_gic(s, pic); versal_create_uarts(s, pic); versal_create_usbs(s, pic); versal_create_gems(s, pic); versal_create_admas(s, pic); versal_create_sds(s, pic); versal_create_pmc_apb_irq_orgate(s, pic); versal_create_rtc(s, pic); versal_create_xrams(s, pic); versal_create_bbram(s, pic); versal_create_efuse(s, pic); versal_map_ddr(s); versal_unimp(s); /* Create the On Chip Memory (OCM). */ memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm", MM_OCM_SIZE, &error_fatal); memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0); memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0); } static void versal_init(Object *obj) { Versal *s = XLNX_VERSAL(obj); memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX); memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX); } static Property versal_properties[] = { DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION, MemoryRegion *), DEFINE_PROP_UINT32("psci-conduit", Versal, cfg.psci_conduit, 0), DEFINE_PROP_END_OF_LIST() }; static void versal_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = versal_realize; device_class_set_props(dc, versal_properties); /* No VMSD since we haven't got any top-level SoC state to save. */ } static const TypeInfo versal_info = { .name = TYPE_XLNX_VERSAL, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(Versal), .instance_init = versal_init, .class_init = versal_class_init, }; static void versal_register_types(void) { type_register_static(&versal_info); } type_init(versal_register_types);