qemu/hw/arm/exynos4_boards.c
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   1/*
   2 *  Samsung exynos4 SoC based boards emulation
   3 *
   4 *  Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5 *    Maksim Kozlov <m.kozlov@samsung.com>
   6 *    Evgeny Voevodin <e.voevodin@samsung.com>
   7 *    Igor Mitsyanko  <i.mitsyanko@samsung.com>
   8 *
   9 *  This program is free software; you can redistribute it and/or modify it
  10 *  under the terms of the GNU General Public License as published by the
  11 *  Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  This program is distributed in the hope that it will be useful, but WITHOUT
  15 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  17 *  for more details.
  18 *
  19 *  You should have received a copy of the GNU General Public License along
  20 *  with this program; if not, see <http://www.gnu.org/licenses/>.
  21 *
  22 */
  23
  24#include "qemu/osdep.h"
  25#include "qemu/units.h"
  26#include "qapi/error.h"
  27#include "qemu/error-report.h"
  28#include "hw/sysbus.h"
  29#include "net/net.h"
  30#include "hw/arm/boot.h"
  31#include "exec/address-spaces.h"
  32#include "hw/arm/exynos4210.h"
  33#include "hw/net/lan9118.h"
  34#include "hw/qdev-properties.h"
  35#include "hw/boards.h"
  36#include "hw/irq.h"
  37
  38#define SMDK_LAN9118_BASE_ADDR      0x05000000
  39
  40typedef enum Exynos4BoardType {
  41    EXYNOS4_BOARD_NURI,
  42    EXYNOS4_BOARD_SMDKC210,
  43    EXYNOS4_NUM_OF_BOARDS
  44} Exynos4BoardType;
  45
  46typedef struct Exynos4BoardState {
  47    Exynos4210State soc;
  48    MemoryRegion dram0_mem;
  49    MemoryRegion dram1_mem;
  50} Exynos4BoardState;
  51
  52static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
  53    [EXYNOS4_BOARD_NURI]     = 0xD33,
  54    [EXYNOS4_BOARD_SMDKC210] = 0xB16,
  55};
  56
  57static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
  58    [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
  59    [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
  60};
  61
  62static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
  63    [EXYNOS4_BOARD_NURI]     = 1 * GiB,
  64    [EXYNOS4_BOARD_SMDKC210] = 1 * GiB,
  65};
  66
  67static struct arm_boot_info exynos4_board_binfo = {
  68    .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
  69    .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
  70    .nb_cpus          = EXYNOS4210_NCPUS,
  71    .write_secondary_boot = exynos4210_write_secondary,
  72};
  73
  74static void lan9215_init(uint32_t base, qemu_irq irq)
  75{
  76    DeviceState *dev;
  77    SysBusDevice *s;
  78
  79    /* This should be a 9215 but the 9118 is close enough */
  80    if (nd_table[0].used) {
  81        qemu_check_nic_model(&nd_table[0], "lan9118");
  82        dev = qdev_new(TYPE_LAN9118);
  83        qdev_set_nic_properties(dev, &nd_table[0]);
  84        qdev_prop_set_uint32(dev, "mode_16bit", 1);
  85        s = SYS_BUS_DEVICE(dev);
  86        sysbus_realize_and_unref(s, &error_fatal);
  87        sysbus_mmio_map(s, 0, base);
  88        sysbus_connect_irq(s, 0, irq);
  89    }
  90}
  91
  92static void exynos4_boards_init_ram(Exynos4BoardState *s,
  93                                    MemoryRegion *system_mem,
  94                                    unsigned long ram_size)
  95{
  96    unsigned long mem_size = ram_size;
  97
  98    if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
  99        memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
 100                               mem_size - EXYNOS4210_DRAM_MAX_SIZE,
 101                               &error_fatal);
 102        memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
 103                                    &s->dram1_mem);
 104        mem_size = EXYNOS4210_DRAM_MAX_SIZE;
 105    }
 106
 107    memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
 108                           &error_fatal);
 109    memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
 110                                &s->dram0_mem);
 111}
 112
 113static Exynos4BoardState *
 114exynos4_boards_init_common(MachineState *machine,
 115                           Exynos4BoardType board_type)
 116{
 117    Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
 118
 119    exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
 120    exynos4_board_binfo.board_id = exynos4_board_id[board_type];
 121    exynos4_board_binfo.smp_bootreg_addr =
 122            exynos4_board_smp_bootreg_addr[board_type];
 123    exynos4_board_binfo.gic_cpu_if_addr =
 124            EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
 125
 126    exynos4_boards_init_ram(s, get_system_memory(),
 127                            exynos4_board_ram_size[board_type]);
 128
 129    object_initialize_child(OBJECT(machine), "soc", &s->soc,
 130                            TYPE_EXYNOS4210_SOC);
 131    sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal);
 132
 133    return s;
 134}
 135
 136static void nuri_init(MachineState *machine)
 137{
 138    exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
 139
 140    arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
 141}
 142
 143static void smdkc210_init(MachineState *machine)
 144{
 145    Exynos4BoardState *s = exynos4_boards_init_common(machine,
 146                                                      EXYNOS4_BOARD_SMDKC210);
 147
 148    lan9215_init(SMDK_LAN9118_BASE_ADDR,
 149            qemu_irq_invert(s->soc.irq_table[exynos4210_get_irq(37, 1)]));
 150    arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
 151}
 152
 153static void nuri_class_init(ObjectClass *oc, void *data)
 154{
 155    MachineClass *mc = MACHINE_CLASS(oc);
 156
 157    mc->desc = "Samsung NURI board (Exynos4210)";
 158    mc->init = nuri_init;
 159    mc->max_cpus = EXYNOS4210_NCPUS;
 160    mc->min_cpus = EXYNOS4210_NCPUS;
 161    mc->default_cpus = EXYNOS4210_NCPUS;
 162    mc->ignore_memory_transaction_failures = true;
 163}
 164
 165static const TypeInfo nuri_type = {
 166    .name = MACHINE_TYPE_NAME("nuri"),
 167    .parent = TYPE_MACHINE,
 168    .class_init = nuri_class_init,
 169};
 170
 171static void smdkc210_class_init(ObjectClass *oc, void *data)
 172{
 173    MachineClass *mc = MACHINE_CLASS(oc);
 174
 175    mc->desc = "Samsung SMDKC210 board (Exynos4210)";
 176    mc->init = smdkc210_init;
 177    mc->max_cpus = EXYNOS4210_NCPUS;
 178    mc->min_cpus = EXYNOS4210_NCPUS;
 179    mc->default_cpus = EXYNOS4210_NCPUS;
 180    mc->ignore_memory_transaction_failures = true;
 181}
 182
 183static const TypeInfo smdkc210_type = {
 184    .name = MACHINE_TYPE_NAME("smdkc210"),
 185    .parent = TYPE_MACHINE,
 186    .class_init = smdkc210_class_init,
 187};
 188
 189static void exynos4_machines_init(void)
 190{
 191    type_register_static(&nuri_type);
 192    type_register_static(&smdkc210_type);
 193}
 194
 195type_init(exynos4_machines_init)
 196