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 "qemu-common.h"
  21 #include "cpu.h"
  22 #include "hw/arm/xlnx-zynqmp.h"
  23 #include "hw/boards.h"
  24 #include "qemu/error-report.h"
  25 #include "exec/address-spaces.h"
  26 #include "qemu/log.h"
  27
  28 typedef struct XlnxZCU102 {
  29     MachineState parent_obj;
  30
  31     XlnxZynqMPState soc;
  32     MemoryRegion ddr_ram;
  33
  34     bool secure;
  35     bool virt;
  36 } XlnxZCU102;
  37
  38 #define TYPE_ZCU102_MACHINE   MACHINE_TYPE_NAME("xlnx-zcu102")
  39 #define ZCU102_MACHINE(obj) \
  40     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE)
  41
  42 #define TYPE_EP108_MACHINE   MACHINE_TYPE_NAME("xlnx-ep108")
  43 #define EP108_MACHINE(obj) \
  44     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_EP108_MACHINE)
  45
  46 static struct arm_boot_info xlnx_zcu102_binfo;
  47
  48 static bool zcu102_get_secure(Object *obj, Error **errp)
  49 {
  50     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  51
  52     return s->secure;
  53 }
  54
  55 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
  56 {
  57     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  58
  59     s->secure = value;
  60 }
  61
  62 static bool zcu102_get_virt(Object *obj, Error **errp)
  63 {
  64     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  65
  66     return s->virt;
  67 }
  68
  69 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
  70 {
  71     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  72
  73     s->virt = value;
  74 }
  75
  76 static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState *machine)
  77 {
  78     int i;
  79     uint64_t ram_size = machine->ram_size;
  80
  81     /* Create the memory region to pass to the SoC */
  82     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
  83         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
  84                      "0x%llx", ram_size,
  85                      XLNX_ZYNQMP_MAX_RAM_SIZE);
  86         exit(1);
  87     }
  88
  89     if (ram_size < 0x08000000) {
  90         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
  91                  ram_size);
  92     }
  93
  94     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
  95                                          ram_size);
  96
  97     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
  98     object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
  99                               &error_abort);
 100
 101     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
 102                          "ddr-ram", &error_abort);
 103     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
 104                              &error_fatal);
 105     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
 106                              &error_fatal);
 107
 108     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
 109
 110     /* Create and plug in the SD cards */
 111     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 112         BusState *bus;
 113         DriveInfo *di = drive_get_next(IF_SD);
 114         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
 115         DeviceState *carddev;
 116         char *bus_name;
 117
 118         bus_name = g_strdup_printf("sd-bus%d", i);
 119         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 120         g_free(bus_name);
 121         if (!bus) {
 122             error_report("No SD bus found for SD card %d", i);
 123             exit(1);
 124         }
 125         carddev = qdev_create(bus, TYPE_SD_CARD);
 126         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
 127         object_property_set_bool(OBJECT(carddev), true, "realized",
 128                                  &error_fatal);
 129     }
 130
 131     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
 132         SSIBus *spi_bus;
 133         DeviceState *flash_dev;
 134         qemu_irq cs_line;
 135         DriveInfo *dinfo = drive_get_next(IF_MTD);
 136         gchar *bus_name = g_strdup_printf("spi%d", i);
 137
 138         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 139         g_free(bus_name);
 140
 141         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
 142         if (dinfo) {
 143             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
 144                                 &error_fatal);
 145         }
 146         qdev_init_nofail(flash_dev);
 147
 148         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
 149
 150         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
 151     }
 152
 153     /* TODO create and connect IDE devices for ide_drive_get() */
 154
 155     xlnx_zcu102_binfo.ram_size = ram_size;
 156     xlnx_zcu102_binfo.kernel_filename = machine->kernel_filename;
 157     xlnx_zcu102_binfo.kernel_cmdline = machine->kernel_cmdline;
 158     xlnx_zcu102_binfo.initrd_filename = machine->initrd_filename;
 159     xlnx_zcu102_binfo.loader_start = 0;
 160     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
 161 }
 162
 163 static void xlnx_ep108_init(MachineState *machine)
 164 {
 165     XlnxZCU102 *s = EP108_MACHINE(machine);
 166
 167     info_report("The Xilinx EP108 machine is deprecated, please use the "
 168                 "ZCU102 machine instead. It has the same features supported.");
 169
 170     xlnx_zynqmp_init(s, machine);
 171 }
 172
 173 static void xlnx_ep108_machine_instance_init(Object *obj)
 174 {
 175     XlnxZCU102 *s = EP108_MACHINE(obj);
 176
 177     /* EP108, we don't support setting secure or virt */
 178     s->secure = false;
 179     s->virt = false;
 180 }
 181
 182 static void xlnx_ep108_machine_class_init(ObjectClass *oc, void *data)
 183 {
 184     MachineClass *mc = MACHINE_CLASS(oc);
 185
 186     mc->desc = "Xilinx ZynqMP EP108 board (Deprecated, please use xlnx-zcu102)";
 187     mc->init = xlnx_ep108_init;
 188     mc->block_default_type = IF_IDE;
 189     mc->units_per_default_bus = 1;
 190     mc->ignore_memory_transaction_failures = true;
 191     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
 192 }
 193
 194 static const TypeInfo xlnx_ep108_machine_init_typeinfo = {
 195     .name       = MACHINE_TYPE_NAME("xlnx-ep108"),
 196     .parent     = TYPE_MACHINE,
 197     .class_init = xlnx_ep108_machine_class_init,
 198     .instance_init = xlnx_ep108_machine_instance_init,
 199     .instance_size = sizeof(XlnxZCU102),
 200 };
 201
 202 static void xlnx_ep108_machine_init_register_types(void)
 203 {
 204     type_register_static(&xlnx_ep108_machine_init_typeinfo);
 205 }
 206
 207 static void xlnx_zcu102_init(MachineState *machine)
 208 {
 209     XlnxZCU102 *s = ZCU102_MACHINE(machine);
 210
 211     xlnx_zynqmp_init(s, machine);
 212 }
 213
 214 static void xlnx_zcu102_machine_instance_init(Object *obj)
 215 {
 216     XlnxZCU102 *s = ZCU102_MACHINE(obj);
 217
 218     /* Default to secure mode being disabled */
 219     s->secure = false;
 220     object_property_add_bool(obj, "secure", zcu102_get_secure,
 221                              zcu102_set_secure, NULL);
 222     object_property_set_description(obj, "secure",
 223                                     "Set on/off to enable/disable the ARM "
 224                                     "Security Extensions (TrustZone)",
 225                                     NULL);
 226
 227     /* Default to virt (EL2) being disabled */
 228     s->virt = false;
 229     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
 230                              zcu102_set_virt, NULL);
 231     object_property_set_description(obj, "virtualization",
 232                                     "Set on/off to enable/disable emulating a "
 233                                     "guest CPU which implements the ARM "
 234                                     "Virtualization Extensions",
 235                                     NULL);
 236 }
 237
 238 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
 239 {
 240     MachineClass *mc = MACHINE_CLASS(oc);
 241
 242     mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5s based on " \
 243                "the value of smp";
 244     mc->init = xlnx_zcu102_init;
 245     mc->block_default_type = IF_IDE;
 246     mc->units_per_default_bus = 1;
 247     mc->ignore_memory_transaction_failures = true;
 248     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
 249 }
 250
 251 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
 252     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
 253     .parent     = TYPE_MACHINE,
 254     .class_init = xlnx_zcu102_machine_class_init,
 255     .instance_init = xlnx_zcu102_machine_instance_init,
 256     .instance_size = sizeof(XlnxZCU102),
 257 };
 258
 259 static void xlnx_zcu102_machine_init_register_types(void)
 260 {
 261     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
 262 }
 263
 264 type_init(xlnx_zcu102_machine_init_register_types)
 265 type_init(xlnx_ep108_machine_init_register_types)