hw/arm/xlnx-ep108.c

   1 /*
   2  * Xilinx ZynqMP EP108 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 "hw/arm/xlnx-zynqmp.h"
  19 #include "hw/boards.h"
  20 #include "qemu/error-report.h"
  21 #include "exec/address-spaces.h"
  22
  23 typedef struct XlnxEP108 {
  24     XlnxZynqMPState soc;
  25     MemoryRegion ddr_ram;
  26 } XlnxEP108;
  27
  28 /* Max 2GB RAM */
  29 #define EP108_MAX_RAM_SIZE 0x80000000ull
  30
  31 static struct arm_boot_info xlnx_ep108_binfo;
  32
  33 static void xlnx_ep108_init(MachineState *machine)
  34 {
  35     XlnxEP108 *s = g_new0(XlnxEP108, 1);
  36     Error *err = NULL;
  37
  38     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
  39     object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
  40                               &error_abort);
  41
  42     object_property_set_bool(OBJECT(&s->soc), true, "realized", &err);
  43     if (err) {
  44         error_report("%s", error_get_pretty(err));
  45         exit(1);
  46     }
  47
  48     if (machine->ram_size > EP108_MAX_RAM_SIZE) {
  49         error_report("WARNING: RAM size " RAM_ADDR_FMT " above max supported, "
  50                      "reduced to %llx", machine->ram_size, EP108_MAX_RAM_SIZE);
  51         machine->ram_size = EP108_MAX_RAM_SIZE;
  52     }
  53
  54     if (machine->ram_size <= 0x08000000) {
  55         qemu_log("WARNING: RAM size " RAM_ADDR_FMT " is small for EP108",
  56                  machine->ram_size);
  57     }
  58
  59     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
  60                                          machine->ram_size);
  61     memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram);
  62
  63     xlnx_ep108_binfo.ram_size = machine->ram_size;
  64     xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
  65     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
  66     xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
  67     xlnx_ep108_binfo.loader_start = 0;
  68     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
  69 }
  70
  71 static void xlnx_ep108_machine_init(MachineClass *mc)
  72 {
  73     mc->desc = "Xilinx ZynqMP EP108 board";
  74     mc->init = xlnx_ep108_init;
  75 }
  76
  77 DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)