hw/exynos4_boards.c

   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.h"
  25 #include "sysbus.h"
  26 #include "net.h"
  27 #include "arm-misc.h"
  28 #include "exec-memory.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
  48 typedef enum Exynos4BoardType {
  49     EXYNOS4_BOARD_NURI,
  50     EXYNOS4_BOARD_SMDKC210,
  51     EXYNOS4_NUM_OF_BOARDS
  52 } Exynos4BoardType;
  53
  54 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
  55     [EXYNOS4_BOARD_NURI]     = 0xD33,
  56     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
  57 };
  58
  59 static 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
  64 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
  65     [EXYNOS4_BOARD_NURI]     = 0x40000000,
  66     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
  67 };
  68
  69 static 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
  76 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS];
  77
  78 static 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 = sysbus_from_qdev(dev);
  91         sysbus_mmio_map(s, 0, base);
  92         sysbus_connect_irq(s, 0, irq);
  93     }
  94 }
  95
  96 static Exynos4210State *exynos4_boards_init_common(
  97         const char *kernel_filename,
  98         const char *kernel_cmdline,
  99         const char *initrd_filename,
 100         Exynos4BoardType board_type)
 101 {
 102     if (smp_cpus != EXYNOS4210_NCPUS) {
 103         fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus"
 104                 " value.\n",
 105                 exynos4_machines[board_type].name,
 106                 exynos4_machines[board_type].max_cpus);
 107     }
 108
 109     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
 110     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
 111     exynos4_board_binfo.smp_bootreg_addr =
 112             exynos4_board_smp_bootreg_addr[board_type];
 113     exynos4_board_binfo.kernel_filename = kernel_filename;
 114     exynos4_board_binfo.initrd_filename = initrd_filename;
 115     exynos4_board_binfo.kernel_cmdline = kernel_cmdline;
 116     exynos4_board_binfo.gic_cpu_if_addr =
 117             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
 118
 119     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
 120             " kernel_filename: %s\n"
 121             " kernel_cmdline: %s\n"
 122             " initrd_filename: %s\n",
 123             exynos4_board_ram_size[board_type] / 1048576,
 124             exynos4_board_ram_size[board_type],
 125             kernel_filename,
 126             kernel_cmdline,
 127             initrd_filename);
 128
 129     return exynos4210_init(get_system_memory(),
 130             exynos4_board_ram_size[board_type]);
 131 }
 132
 133 static void nuri_init(QEMUMachineInitArgs *args)
 134 {
 135     const char *kernel_filename = args->kernel_filename;
 136     const char *kernel_cmdline = args->kernel_cmdline;
 137     const char *initrd_filename = args->initrd_filename;
 138     exynos4_boards_init_common(kernel_filename, kernel_cmdline,
 139                 initrd_filename, EXYNOS4_BOARD_NURI);
 140
 141     arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
 142 }
 143
 144 static void smdkc210_init(QEMUMachineInitArgs *args)
 145 {
 146     const char *kernel_filename = args->kernel_filename;
 147     const char *kernel_cmdline = args->kernel_cmdline;
 148     const char *initrd_filename = args->initrd_filename;
 149     Exynos4210State *s = exynos4_boards_init_common(kernel_filename,
 150             kernel_cmdline, initrd_filename, EXYNOS4_BOARD_SMDKC210);
 151
 152     lan9215_init(SMDK_LAN9118_BASE_ADDR,
 153             qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
 154     arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
 155 }
 156
 157 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
 158     [EXYNOS4_BOARD_NURI] = {
 159         .name = "nuri",
 160         .desc = "Samsung NURI board (Exynos4210)",
 161         .init = nuri_init,
 162         .max_cpus = EXYNOS4210_NCPUS,
 163     },
 164     [EXYNOS4_BOARD_SMDKC210] = {
 165         .name = "smdkc210",
 166         .desc = "Samsung SMDKC210 board (Exynos4210)",
 167         .init = smdkc210_init,
 168         .max_cpus = EXYNOS4210_NCPUS,
 169     },
 170 };
 171
 172 static void exynos4_machine_init(void)
 173 {
 174     qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]);
 175     qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]);
 176 }
 177
 178 machine_init(exynos4_machine_init);