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 "qapi/error.h"
  26 #include "qemu/error-report.h"
  27 #include "qemu-common.h"
  28 #include "cpu.h"
  29 #include "sysemu/sysemu.h"
  30 #include "sysemu/qtest.h"
  31 #include "hw/sysbus.h"
  32 #include "net/net.h"
  33 #include "hw/arm/arm.h"
  34 #include "exec/address-spaces.h"
  35 #include "hw/arm/exynos4210.h"
  36 #include "hw/boards.h"
  37
  38 #undef DEBUG
  39
  40 //#define DEBUG
  41
  42 #ifdef DEBUG
  43     #undef PRINT_DEBUG
  44     #define  PRINT_DEBUG(fmt, args...) \
  45         do { \
  46             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
  47         } while (0)
  48 #else
  49     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
  50 #endif
  51
  52 #define SMDK_LAN9118_BASE_ADDR      0x05000000
  53
  54 typedef enum Exynos4BoardType {
  55     EXYNOS4_BOARD_NURI,
  56     EXYNOS4_BOARD_SMDKC210,
  57     EXYNOS4_NUM_OF_BOARDS
  58 } Exynos4BoardType;
  59
  60 typedef struct Exynos4BoardState {
  61     Exynos4210State *soc;
  62     MemoryRegion dram0_mem;
  63     MemoryRegion dram1_mem;
  64 } Exynos4BoardState;
  65
  66 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
  67     [EXYNOS4_BOARD_NURI]     = 0xD33,
  68     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
  69 };
  70
  71 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
  72     [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
  73     [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
  74 };
  75
  76 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
  77     [EXYNOS4_BOARD_NURI]     = 0x40000000,
  78     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
  79 };
  80
  81 static struct arm_boot_info exynos4_board_binfo = {
  82     .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
  83     .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
  84     .nb_cpus          = EXYNOS4210_NCPUS,
  85     .write_secondary_boot = exynos4210_write_secondary,
  86 };
  87
  88 static void lan9215_init(uint32_t base, qemu_irq irq)
  89 {
  90     DeviceState *dev;
  91     SysBusDevice *s;
  92
  93     /* This should be a 9215 but the 9118 is close enough */
  94     if (nd_table[0].used) {
  95         qemu_check_nic_model(&nd_table[0], "lan9118");
  96         dev = qdev_create(NULL, "lan9118");
  97         qdev_set_nic_properties(dev, &nd_table[0]);
  98         qdev_prop_set_uint32(dev, "mode_16bit", 1);
  99         qdev_init_nofail(dev);
 100         s = SYS_BUS_DEVICE(dev);
 101         sysbus_mmio_map(s, 0, base);
 102         sysbus_connect_irq(s, 0, irq);
 103     }
 104 }
 105
 106 static void exynos4_boards_init_ram(Exynos4BoardState *s,
 107                                     MemoryRegion *system_mem,
 108                                     unsigned long ram_size)
 109 {
 110     unsigned long mem_size = ram_size;
 111
 112     if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
 113         memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
 114                                mem_size - EXYNOS4210_DRAM_MAX_SIZE,
 115                                &error_fatal);
 116         memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
 117                                     &s->dram1_mem);
 118         mem_size = EXYNOS4210_DRAM_MAX_SIZE;
 119     }
 120
 121     memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
 122                            &error_fatal);
 123     memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
 124                                 &s->dram0_mem);
 125 }
 126
 127 static Exynos4BoardState *
 128 exynos4_boards_init_common(MachineState *machine,
 129                            Exynos4BoardType board_type)
 130 {
 131     Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
 132     MachineClass *mc = MACHINE_GET_CLASS(machine);
 133
 134     if (smp_cpus != EXYNOS4210_NCPUS && !qtest_enabled()) {
 135         error_report("%s board supports only %d CPU cores, ignoring smp_cpus"
 136                      " value",
 137                      mc->name, EXYNOS4210_NCPUS);
 138     }
 139
 140     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
 141     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
 142     exynos4_board_binfo.smp_bootreg_addr =
 143             exynos4_board_smp_bootreg_addr[board_type];
 144     exynos4_board_binfo.kernel_filename = machine->kernel_filename;
 145     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
 146     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
 147     exynos4_board_binfo.gic_cpu_if_addr =
 148             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
 149
 150     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
 151             " kernel_filename: %s\n"
 152             " kernel_cmdline: %s\n"
 153             " initrd_filename: %s\n",
 154             exynos4_board_ram_size[board_type] / 1048576,
 155             exynos4_board_ram_size[board_type],
 156             machine->kernel_filename,
 157             machine->kernel_cmdline,
 158             machine->initrd_filename);
 159
 160     exynos4_boards_init_ram(s, get_system_memory(),
 161                             exynos4_board_ram_size[board_type]);
 162
 163     s->soc = exynos4210_init(get_system_memory());
 164
 165     return s;
 166 }
 167
 168 static void nuri_init(MachineState *machine)
 169 {
 170     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
 171
 172     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
 173 }
 174
 175 static void smdkc210_init(MachineState *machine)
 176 {
 177     Exynos4BoardState *s = exynos4_boards_init_common(machine,
 178                                                       EXYNOS4_BOARD_SMDKC210);
 179
 180     lan9215_init(SMDK_LAN9118_BASE_ADDR,
 181             qemu_irq_invert(s->soc->irq_table[exynos4210_get_irq(37, 1)]));
 182     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
 183 }
 184
 185 static void nuri_class_init(ObjectClass *oc, void *data)
 186 {
 187     MachineClass *mc = MACHINE_CLASS(oc);
 188
 189     mc->desc = "Samsung NURI board (Exynos4210)";
 190     mc->init = nuri_init;
 191     mc->max_cpus = EXYNOS4210_NCPUS;
 192     mc->ignore_memory_transaction_failures = true;
 193 }
 194
 195 static const TypeInfo nuri_type = {
 196     .name = MACHINE_TYPE_NAME("nuri"),
 197     .parent = TYPE_MACHINE,
 198     .class_init = nuri_class_init,
 199 };
 200
 201 static void smdkc210_class_init(ObjectClass *oc, void *data)
 202 {
 203     MachineClass *mc = MACHINE_CLASS(oc);
 204
 205     mc->desc = "Samsung SMDKC210 board (Exynos4210)";
 206     mc->init = smdkc210_init;
 207     mc->max_cpus = EXYNOS4210_NCPUS;
 208     mc->ignore_memory_transaction_failures = true;
 209 }
 210
 211 static const TypeInfo smdkc210_type = {
 212     .name = MACHINE_TYPE_NAME("smdkc210"),
 213     .parent = TYPE_MACHINE,
 214     .class_init = smdkc210_class_init,
 215 };
 216
 217 static void exynos4_machines_init(void)
 218 {
 219     type_register_static(&nuri_type);
 220     type_register_static(&smdkc210_type);
 221 }
 222
 223 type_init(exynos4_machines_init)