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 static struct arm_boot_info xlnx_ep108_binfo;
  29
  30 static void xlnx_ep108_init(MachineState *machine)
  31 {
  32     XlnxEP108 *s = g_new0(XlnxEP108, 1);
  33     Error *err = NULL;
  34     uint64_t ram_size = machine->ram_size;
  35
  36     /* Create the memory region to pass to the SoC */
  37     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
  38         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
  39                      "0x%llx", ram_size,
  40                      XLNX_ZYNQMP_MAX_RAM_SIZE);
  41         exit(1);
  42     }
  43
  44     if (ram_size < 0x08000000) {
  45         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for EP108",
  46                  ram_size);
  47     }
  48
  49     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
  50                                          ram_size);
  51
  52     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
  53     object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
  54                               &error_abort);
  55
  56     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
  57                          "ddr-ram", &error_abort);
  58
  59     object_property_set_bool(OBJECT(&s->soc), true, "realized", &err);
  60     if (err) {
  61         error_report_err(err);
  62         exit(1);
  63     }
  64
  65     xlnx_ep108_binfo.ram_size = ram_size;
  66     xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
  67     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
  68     xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
  69     xlnx_ep108_binfo.loader_start = 0;
  70     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
  71 }
  72
  73 static void xlnx_ep108_machine_init(MachineClass *mc)
  74 {
  75     mc->desc = "Xilinx ZynqMP EP108 board";
  76     mc->init = xlnx_ep108_init;
  77 }
  78
  79 DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)