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