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
  32     bool secure;
  33     bool virt;
  34 } XlnxZCU102;
  35
  36 #define TYPE_ZCU102_MACHINE   MACHINE_TYPE_NAME("xlnx-zcu102")
  37 #define ZCU102_MACHINE(obj) \
  38     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE)
  39
  40 static struct arm_boot_info xlnx_zcu102_binfo;
  41
  42 static bool zcu102_get_secure(Object *obj, Error **errp)
  43 {
  44     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  45
  46     return s->secure;
  47 }
  48
  49 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
  50 {
  51     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  52
  53     s->secure = value;
  54 }
  55
  56 static bool zcu102_get_virt(Object *obj, Error **errp)
  57 {
  58     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  59
  60     return s->virt;
  61 }
  62
  63 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
  64 {
  65     XlnxZCU102 *s = ZCU102_MACHINE(obj);
  66
  67     s->virt = value;
  68 }
  69
  70 static void xlnx_zcu102_init(MachineState *machine)
  71 {
  72     XlnxZCU102 *s = ZCU102_MACHINE(machine);
  73     int i;
  74     uint64_t ram_size = machine->ram_size;
  75
  76     /* Create the memory region to pass to the SoC */
  77     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
  78         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
  79                      "0x%llx", ram_size,
  80                      XLNX_ZYNQMP_MAX_RAM_SIZE);
  81         exit(1);
  82     }
  83
  84     if (ram_size < 0x08000000) {
  85         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
  86                  ram_size);
  87     }
  88
  89     object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
  90                             TYPE_XLNX_ZYNQMP, &error_abort, NULL);
  91
  92     object_property_set_link(OBJECT(&s->soc), OBJECT(machine->ram),
  93                          "ddr-ram", &error_abort);
  94     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
  95                              &error_fatal);
  96     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
  97                              &error_fatal);
  98
  99     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
 100
 101     /* Create and plug in the SD cards */
 102     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 103         BusState *bus;
 104         DriveInfo *di = drive_get_next(IF_SD);
 105         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
 106         DeviceState *carddev;
 107         char *bus_name;
 108
 109         bus_name = g_strdup_printf("sd-bus%d", i);
 110         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 111         g_free(bus_name);
 112         if (!bus) {
 113             error_report("No SD bus found for SD card %d", i);
 114             exit(1);
 115         }
 116         carddev = qdev_create(bus, TYPE_SD_CARD);
 117         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
 118         object_property_set_bool(OBJECT(carddev), true, "realized",
 119                                  &error_fatal);
 120     }
 121
 122     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
 123         SSIBus *spi_bus;
 124         DeviceState *flash_dev;
 125         qemu_irq cs_line;
 126         DriveInfo *dinfo = drive_get_next(IF_MTD);
 127         gchar *bus_name = g_strdup_printf("spi%d", i);
 128
 129         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 130         g_free(bus_name);
 131
 132         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
 133         if (dinfo) {
 134             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
 135                                 &error_fatal);
 136         }
 137         qdev_init_nofail(flash_dev);
 138
 139         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
 140
 141         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
 142     }
 143
 144     for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) {
 145         SSIBus *spi_bus;
 146         DeviceState *flash_dev;
 147         qemu_irq cs_line;
 148         DriveInfo *dinfo = drive_get_next(IF_MTD);
 149         int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS;
 150         gchar *bus_name = g_strdup_printf("qspi%d", bus);
 151
 152         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
 153         g_free(bus_name);
 154
 155         flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11");
 156         if (dinfo) {
 157             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
 158                                 &error_fatal);
 159         }
 160         qdev_init_nofail(flash_dev);
 161
 162         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
 163
 164         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line);
 165     }
 166
 167     /* TODO create and connect IDE devices for ide_drive_get() */
 168
 169     xlnx_zcu102_binfo.ram_size = ram_size;
 170     xlnx_zcu102_binfo.loader_start = 0;
 171     arm_load_kernel(s->soc.boot_cpu_ptr, machine, &xlnx_zcu102_binfo);
 172 }
 173
 174 static void xlnx_zcu102_machine_instance_init(Object *obj)
 175 {
 176     XlnxZCU102 *s = ZCU102_MACHINE(obj);
 177
 178     /* Default to secure mode being disabled */
 179     s->secure = false;
 180     object_property_add_bool(obj, "secure", zcu102_get_secure,
 181                              zcu102_set_secure, NULL);
 182     object_property_set_description(obj, "secure",
 183                                     "Set on/off to enable/disable the ARM "
 184                                     "Security Extensions (TrustZone)",
 185                                     NULL);
 186
 187     /* Default to virt (EL2) being disabled */
 188     s->virt = false;
 189     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
 190                              zcu102_set_virt, NULL);
 191     object_property_set_description(obj, "virtualization",
 192                                     "Set on/off to enable/disable emulating a "
 193                                     "guest CPU which implements the ARM "
 194                                     "Virtualization Extensions",
 195                                     NULL);
 196 }
 197
 198 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
 199 {
 200     MachineClass *mc = MACHINE_CLASS(oc);
 201
 202     mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5Fs based on " \
 203                "the value of smp";
 204     mc->init = xlnx_zcu102_init;
 205     mc->block_default_type = IF_IDE;
 206     mc->units_per_default_bus = 1;
 207     mc->ignore_memory_transaction_failures = true;
 208     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
 209     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
 210     mc->default_ram_id = "ddr-ram";
 211 }
 212
 213 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
 214     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
 215     .parent     = TYPE_MACHINE,
 216     .class_init = xlnx_zcu102_machine_class_init,
 217     .instance_init = xlnx_zcu102_machine_instance_init,
 218     .instance_size = sizeof(XlnxZCU102),
 219 };
 220
 221 static void xlnx_zcu102_machine_init_register_types(void)
 222 {
 223     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
 224 }
 225
 226 type_init(xlnx_zcu102_machine_init_register_types)