hw/arm/xlnx-zcu102.c

   1 /*
   2  * Xilinx ZynqMP ZCU102 board
   3  *
   4  * Copyright (C) 2015 Xilinx Inc
   5  * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15  * for more details.
  16  */
  17
  18 #include "qemu/osdep.h"
  19 #include "qapi/error.h"
  20 #include "cpu.h"
  21 #include "hw/arm/xlnx-zynqmp.h"
  22 #include "hw/boards.h"
  23 #include "qemu/error-report.h"
  24 #include "qemu/log.h"
  25 #include "sysemu/qtest.h"
  26
  27 typedef struct XlnxZCU102 {
  28     MachineState parent_obj;
  29
  30     XlnxZynqMPState soc;
  31     MemoryRegion ddr_ram;
  32
  33     bool secure;
  34     bool virt;
  35 } XlnxZCU102;
  36
  37 #define TYPE_ZCU102_MACHINE   MACHINE_TYPE_NAME("xlnx-zcu102")
  38 #define ZCU102_MACHINE(obj) \
  39     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE)
  40
  41 static struct arm_boot_info xlnx_zcu102_binfo;
  42
  43 static bool zcu102_get_secure(Object *obj, Error **errp)
  44 {
  45     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  46
  47     return s->secure;
  48 }
  49
  50 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
  51 {
  52     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  53
  54     s->secure = value;
  55 }
  56
  57 static bool zcu102_get_virt(Object *obj, Error **errp)
  58 {
  59     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  60
  61     return s->virt;
  62 }
  63
  64 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
  65 {
  66     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  67
  68     s->virt = value;
  69 }
  70
  71 static void xlnx_zcu102_init(MachineState *machine)
  72 {
  73     XlnxZCU102 *s = ZCU102_MACHINE(machine);
  74     int i;
  75     uint64_t ram_size = machine->ram_size;
  76
  77     /* Create the memory region to pass to the SoC */
  78     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
  79         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
  80                      "0x%llx", ram_size,
  81                      XLNX_ZYNQMP_MAX_RAM_SIZE);
  82         exit(1);
  83     }
  84
  85     if (ram_size < 0x08000000) {
  86         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
  87                  ram_size);
  88     }
  89
  90     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
  91                                          ram_size);
  92
  93     object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
  94                             TYPE_XLNX_ZYNQMP, &error_abort, NULL);
  95
  96     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
  97                          "ddr-ram", &error_abort);
  98     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
  99                              &error_fatal);
 100     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
 101                              &error_fatal);
 102
 103     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
 104
 105     /* Create and plug in the SD cards */
 106     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 107         BusState *bus;
 108         DriveInfo *di = drive_get_next(IF_SD);
 109         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
 110         DeviceState *carddev;
 111         char *bus_name;
 112
 113         bus_name = g_strdup_printf("sd-bus%d", i);
 114         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 115         g_free(bus_name);
 116         if (!bus) {
 117             error_report("No SD bus found for SD card %d", i);
 118             exit(1);
 119         }
 120         carddev = qdev_create(bus, TYPE_SD_CARD);
 121         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
 122         object_property_set_bool(OBJECT(carddev), true, "realized",
 123                                  &error_fatal);
 124     }
 125
 126     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
 127         SSIBus *spi_bus;
 128         DeviceState *flash_dev;
 129         qemu_irq cs_line;
 130         DriveInfo *dinfo = drive_get_next(IF_MTD);
 131         gchar *bus_name = g_strdup_printf("spi%d", i);
 132
 133         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 134         g_free(bus_name);
 135
 136         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
 137         if (dinfo) {
 138             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
 139                                 &error_fatal);
 140         }
 141         qdev_init_nofail(flash_dev);
 142
 143         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
 144
 145         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
 146     }
 147
 148     for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) {
 149         SSIBus *spi_bus;
 150         DeviceState *flash_dev;
 151         qemu_irq cs_line;
 152         DriveInfo *dinfo = drive_get_next(IF_MTD);
 153         int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS;
 154         gchar *bus_name = g_strdup_printf("qspi%d", bus);
 155
 156         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 157         g_free(bus_name);
 158
 159         flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11");
 160         if (dinfo) {
 161             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
 162                                 &error_fatal);
 163         }
 164         qdev_init_nofail(flash_dev);
 165
 166         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
 167
 168         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line);
 169     }
 170
 171     /* TODO create and connect IDE devices for ide_drive_get() */
 172
 173     xlnx_zcu102_binfo.ram_size = ram_size;
 174     xlnx_zcu102_binfo.loader_start = 0;
 175     arm_load_kernel(s->soc.boot_cpu_ptr, machine, &xlnx_zcu102_binfo);
 176 }
 177
 178 static void xlnx_zcu102_machine_instance_init(Object *obj)
 179 {
 180     XlnxZCU102 *s = ZCU102_MACHINE(obj);
 181
 182     /* Default to secure mode being disabled */
 183     s->secure = false;
 184     object_property_add_bool(obj, "secure", zcu102_get_secure,
 185                              zcu102_set_secure, NULL);
 186     object_property_set_description(obj, "secure",
 187                                     "Set on/off to enable/disable the ARM "
 188                                     "Security Extensions (TrustZone)",
 189                                     NULL);
 190
 191     /* Default to virt (EL2) being disabled */
 192     s->virt = false;
 193     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
 194                              zcu102_set_virt, NULL);
 195     object_property_set_description(obj, "virtualization",
 196                                     "Set on/off to enable/disable emulating a "
 197                                     "guest CPU which implements the ARM "
 198                                     "Virtualization Extensions",
 199                                     NULL);
 200 }
 201
 202 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
 203 {
 204     MachineClass *mc = MACHINE_CLASS(oc);
 205
 206     mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5Fs based on " \
 207                "the value of smp";
 208     mc->init = xlnx_zcu102_init;
 209     mc->block_default_type = IF_IDE;
 210     mc->units_per_default_bus = 1;
 211     mc->ignore_memory_transaction_failures = true;
 212     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
 213     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
 214 }
 215
 216 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
 217     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
 218     .parent     = TYPE_MACHINE,
 219     .class_init = xlnx_zcu102_machine_class_init,
 220     .instance_init = xlnx_zcu102_machine_instance_init,
 221     .instance_size = sizeof(XlnxZCU102),
 222 };
 223
 224 static void xlnx_zcu102_machine_init_register_types(void)
 225 {
 226     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
 227 }
 228
 229 type_init(xlnx_zcu102_machine_init_register_types)