qemu/hw/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 "sysemu/sysemu.h"
  25#include "sysbus.h"
  26#include "net/net.h"
  27#include "arm-misc.h"
  28#include "exec/address-spaces.h"
  29#include "exynos4210.h"
  30#include "boards.h"
  31
  32#undef DEBUG
  33
  34//#define DEBUG
  35
  36#ifdef DEBUG
  37    #undef PRINT_DEBUG
  38    #define  PRINT_DEBUG(fmt, args...) \
  39        do { \
  40            fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
  41        } while (0)
  42#else
  43    #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
  44#endif
  45
  46#define SMDK_LAN9118_BASE_ADDR      0x05000000
  47
  48typedef enum Exynos4BoardType {
  49    EXYNOS4_BOARD_NURI,
  50    EXYNOS4_BOARD_SMDKC210,
  51    EXYNOS4_NUM_OF_BOARDS
  52} Exynos4BoardType;
  53
  54static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
  55    [EXYNOS4_BOARD_NURI]     = 0xD33,
  56    [EXYNOS4_BOARD_SMDKC210] = 0xB16,
  57};
  58
  59static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
  60    [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
  61    [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
  62};
  63
  64static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
  65    [EXYNOS4_BOARD_NURI]     = 0x40000000,
  66    [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
  67};
  68
  69static struct arm_boot_info exynos4_board_binfo = {
  70    .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
  71    .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
  72    .nb_cpus          = EXYNOS4210_NCPUS,
  73    .write_secondary_boot = exynos4210_write_secondary,
  74};
  75
  76static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS];
  77
  78static void lan9215_init(uint32_t base, qemu_irq irq)
  79{
  80    DeviceState *dev;
  81    SysBusDevice *s;
  82
  83    /* This should be a 9215 but the 9118 is close enough */
  84    if (nd_table[0].used) {
  85        qemu_check_nic_model(&nd_table[0], "lan9118");
  86        dev = qdev_create(NULL, "lan9118");
  87        qdev_set_nic_properties(dev, &nd_table[0]);
  88        qdev_prop_set_uint32(dev, "mode_16bit", 1);
  89        qdev_init_nofail(dev);
  90        s = SYS_BUS_DEVICE(dev);
  91        sysbus_mmio_map(s, 0, base);
  92        sysbus_connect_irq(s, 0, irq);
  93    }
  94}
  95
  96static Exynos4210State *exynos4_boards_init_common(QEMUMachineInitArgs *args,
  97                                                   Exynos4BoardType board_type)
  98{
  99    if (smp_cpus != EXYNOS4210_NCPUS) {
 100        fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus"
 101                " value.\n",
 102                exynos4_machines[board_type].name,
 103                exynos4_machines[board_type].max_cpus);
 104    }
 105
 106    exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
 107    exynos4_board_binfo.board_id = exynos4_board_id[board_type];
 108    exynos4_board_binfo.smp_bootreg_addr =
 109            exynos4_board_smp_bootreg_addr[board_type];
 110    exynos4_board_binfo.kernel_filename = args->kernel_filename;
 111    exynos4_board_binfo.initrd_filename = args->initrd_filename;
 112    exynos4_board_binfo.kernel_cmdline = args->kernel_cmdline;
 113    exynos4_board_binfo.gic_cpu_if_addr =
 114            EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
 115
 116    PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
 117            " kernel_filename: %s\n"
 118            " kernel_cmdline: %s\n"
 119            " initrd_filename: %s\n",
 120            exynos4_board_ram_size[board_type] / 1048576,
 121            exynos4_board_ram_size[board_type],
 122            args->kernel_filename,
 123            args->kernel_cmdline,
 124            args->initrd_filename);
 125
 126    return exynos4210_init(get_system_memory(),
 127            exynos4_board_ram_size[board_type]);
 128}
 129
 130static void nuri_init(QEMUMachineInitArgs *args)
 131{
 132    exynos4_boards_init_common(args, EXYNOS4_BOARD_NURI);
 133
 134    arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
 135}
 136
 137static void smdkc210_init(QEMUMachineInitArgs *args)
 138{
 139    Exynos4210State *s = exynos4_boards_init_common(args,
 140                                                    EXYNOS4_BOARD_SMDKC210);
 141
 142    lan9215_init(SMDK_LAN9118_BASE_ADDR,
 143            qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
 144    arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
 145}
 146
 147static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
 148    [EXYNOS4_BOARD_NURI] = {
 149        .name = "nuri",
 150        .desc = "Samsung NURI board (Exynos4210)",
 151        .init = nuri_init,
 152        .max_cpus = EXYNOS4210_NCPUS,
 153        DEFAULT_MACHINE_OPTIONS,
 154    },
 155    [EXYNOS4_BOARD_SMDKC210] = {
 156        .name = "smdkc210",
 157        .desc = "Samsung SMDKC210 board (Exynos4210)",
 158        .init = smdkc210_init,
 159        .max_cpus = EXYNOS4210_NCPUS,
 160        DEFAULT_MACHINE_OPTIONS,
 161    },
 162};
 163
 164static void exynos4_machine_init(void)
 165{
 166    qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]);
 167    qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]);
 168}
 169
 170machine_init(exynos4_machine_init);
 171