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 "qemu/osdep.h"
  25 #include "qemu/error-report.h"
  26 #include "qemu-common.h"
  27 #include "cpu.h"
  28 #include "sysemu/sysemu.h"
  29 #include "sysemu/qtest.h"
  30 #include "hw/sysbus.h"
  31 #include "net/net.h"
  32 #include "hw/arm/arm.h"
  33 #include "exec/address-spaces.h"
  34 #include "hw/arm/exynos4210.h"
  35 #include "hw/boards.h"
  36
  37 #undef DEBUG
  38
  39 //#define DEBUG
  40
  41 #ifdef DEBUG
  42     #undef PRINT_DEBUG
  43     #define  PRINT_DEBUG(fmt, args...) \
  44         do { \
  45             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
  46         } while (0)
  47 #else
  48     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
  49 #endif
  50
  51 #define SMDK_LAN9118_BASE_ADDR      0x05000000
  52
  53 typedef enum Exynos4BoardType {
  54     EXYNOS4_BOARD_NURI,
  55     EXYNOS4_BOARD_SMDKC210,
  56     EXYNOS4_NUM_OF_BOARDS
  57 } Exynos4BoardType;
  58
  59 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
  60     [EXYNOS4_BOARD_NURI]     = 0xD33,
  61     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
  62 };
  63
  64 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
  65     [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
  66     [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
  67 };
  68
  69 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
  70     [EXYNOS4_BOARD_NURI]     = 0x40000000,
  71     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
  72 };
  73
  74 static struct arm_boot_info exynos4_board_binfo = {
  75     .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
  76     .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
  77     .nb_cpus          = EXYNOS4210_NCPUS,
  78     .write_secondary_boot = exynos4210_write_secondary,
  79 };
  80
  81 static void lan9215_init(uint32_t base, qemu_irq irq)
  82 {
  83     DeviceState *dev;
  84     SysBusDevice *s;
  85
  86     /* This should be a 9215 but the 9118 is close enough */
  87     if (nd_table[0].used) {
  88         qemu_check_nic_model(&nd_table[0], "lan9118");
  89         dev = qdev_create(NULL, "lan9118");
  90         qdev_set_nic_properties(dev, &nd_table[0]);
  91         qdev_prop_set_uint32(dev, "mode_16bit", 1);
  92         qdev_init_nofail(dev);
  93         s = SYS_BUS_DEVICE(dev);
  94         sysbus_mmio_map(s, 0, base);
  95         sysbus_connect_irq(s, 0, irq);
  96     }
  97 }
  98
  99 static Exynos4210State *exynos4_boards_init_common(MachineState *machine,
 100                                                    Exynos4BoardType board_type)
 101 {
 102     MachineClass *mc = MACHINE_GET_CLASS(machine);
 103
 104     if (smp_cpus != EXYNOS4210_NCPUS && !qtest_enabled()) {
 105         error_report("%s board supports only %d CPU cores, ignoring smp_cpus"
 106                      " value",
 107                      mc->name, EXYNOS4210_NCPUS);
 108     }
 109
 110     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
 111     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
 112     exynos4_board_binfo.smp_bootreg_addr =
 113             exynos4_board_smp_bootreg_addr[board_type];
 114     exynos4_board_binfo.kernel_filename = machine->kernel_filename;
 115     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
 116     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
 117     exynos4_board_binfo.gic_cpu_if_addr =
 118             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
 119
 120     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
 121             " kernel_filename: %s\n"
 122             " kernel_cmdline: %s\n"
 123             " initrd_filename: %s\n",
 124             exynos4_board_ram_size[board_type] / 1048576,
 125             exynos4_board_ram_size[board_type],
 126             machine->kernel_filename,
 127             machine->kernel_cmdline,
 128             machine->initrd_filename);
 129
 130     return exynos4210_init(get_system_memory(),
 131             exynos4_board_ram_size[board_type]);
 132 }
 133
 134 static void nuri_init(MachineState *machine)
 135 {
 136     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
 137
 138     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
 139 }
 140
 141 static void smdkc210_init(MachineState *machine)
 142 {
 143     Exynos4210State *s = exynos4_boards_init_common(machine,
 144                                                     EXYNOS4_BOARD_SMDKC210);
 145
 146     lan9215_init(SMDK_LAN9118_BASE_ADDR,
 147             qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
 148     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
 149 }
 150
 151 static void nuri_class_init(ObjectClass *oc, void *data)
 152 {
 153     MachineClass *mc = MACHINE_CLASS(oc);
 154
 155     mc->desc = "Samsung NURI board (Exynos4210)";
 156     mc->init = nuri_init;
 157     mc->max_cpus = EXYNOS4210_NCPUS;
 158 }
 159
 160 static const TypeInfo nuri_type = {
 161     .name = MACHINE_TYPE_NAME("nuri"),
 162     .parent = TYPE_MACHINE,
 163     .class_init = nuri_class_init,
 164 };
 165
 166 static void smdkc210_class_init(ObjectClass *oc, void *data)
 167 {
 168     MachineClass *mc = MACHINE_CLASS(oc);
 169
 170     mc->desc = "Samsung SMDKC210 board (Exynos4210)";
 171     mc->init = smdkc210_init;
 172     mc->max_cpus = EXYNOS4210_NCPUS;
 173 }
 174
 175 static const TypeInfo smdkc210_type = {
 176     .name = MACHINE_TYPE_NAME("smdkc210"),
 177     .parent = TYPE_MACHINE,
 178     .class_init = smdkc210_class_init,
 179 };
 180
 181 static void exynos4_machines_init(void)
 182 {
 183     type_register_static(&nuri_type);
 184     type_register_static(&smdkc210_type);
 185 }
 186
 187 type_init(exynos4_machines_init)