qemu/hw/arm/palmetto-bmc.c

   1 /*
   2  * OpenPOWER Palmetto BMC
   3  *
   4  * Andrew Jeffery <andrew@aj.id.au>
   5  *
   6  * Copyright 2016 IBM Corp.
   7  *
   8  * This code is licensed under the GPL version 2 or later.  See
   9  * the COPYING file in the top-level directory.
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "qapi/error.h"
  14 #include "qemu-common.h"
  15 #include "cpu.h"
  16 #include "exec/address-spaces.h"
  17 #include "hw/arm/arm.h"
  18 #include "hw/arm/ast2400.h"
  19 #include "hw/boards.h"
  20
  21 static struct arm_boot_info palmetto_bmc_binfo = {
  22     .loader_start = AST2400_SDRAM_BASE,
  23     .board_id = 0,
  24     .nb_cpus = 1,
  25 };
  26
  27 typedef struct PalmettoBMCState {
  28     AST2400State soc;
  29     MemoryRegion ram;
  30 } PalmettoBMCState;
  31
  32 static void palmetto_bmc_init(MachineState *machine)
  33 {
  34     PalmettoBMCState *bmc;
  35
  36     bmc = g_new0(PalmettoBMCState, 1);
  37     object_initialize(&bmc->soc, (sizeof(bmc->soc)), TYPE_AST2400);
  38     object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
  39                               &error_abort);
  40
  41     memory_region_allocate_system_memory(&bmc->ram, NULL, "ram", ram_size);
  42     memory_region_add_subregion(get_system_memory(), AST2400_SDRAM_BASE,
  43                                 &bmc->ram);
  44     object_property_add_const_link(OBJECT(&bmc->soc), "ram", OBJECT(&bmc->ram),
  45                                    &error_abort);
  46     object_property_set_bool(OBJECT(&bmc->soc), true, "realized",
  47                              &error_abort);
  48
  49     palmetto_bmc_binfo.kernel_filename = machine->kernel_filename;
  50     palmetto_bmc_binfo.initrd_filename = machine->initrd_filename;
  51     palmetto_bmc_binfo.kernel_cmdline = machine->kernel_cmdline;
  52     palmetto_bmc_binfo.ram_size = ram_size;
  53     arm_load_kernel(ARM_CPU(first_cpu), &palmetto_bmc_binfo);
  54 }
  55
  56 static void palmetto_bmc_machine_init(MachineClass *mc)
  57 {
  58     mc->desc = "OpenPOWER Palmetto BMC";
  59     mc->init = palmetto_bmc_init;
  60     mc->max_cpus = 1;
  61     mc->no_sdcard = 1;
  62     mc->no_floppy = 1;
  63     mc->no_cdrom = 1;
  64     mc->no_sdcard = 1;
  65     mc->no_parallel = 1;
  66 }
  67
  68 DEFINE_MACHINE("palmetto-bmc", palmetto_bmc_machine_init);