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/units.h" 26 #include "qapi/error.h" 27 #include "qemu/error-report.h" 28 #include "cpu.h" 29 #include "sysemu/sysemu.h" 30 #include "hw/sysbus.h" 31 #include "net/net.h" 32 #include "hw/arm/boot.h" 33 #include "exec/address-spaces.h" 34 #include "hw/arm/exynos4210.h" 35 #include "hw/net/lan9118.h" 36 #include "hw/boards.h" 37 #include "hw/irq.h" 38 39 #define SMDK_LAN9118_BASE_ADDR 0x05000000 40 41 typedef enum Exynos4BoardType { 42 EXYNOS4_BOARD_NURI, 43 EXYNOS4_BOARD_SMDKC210, 44 EXYNOS4_NUM_OF_BOARDS 45 } Exynos4BoardType; 46 47 typedef struct Exynos4BoardState { 48 Exynos4210State soc; 49 MemoryRegion dram0_mem; 50 MemoryRegion dram1_mem; 51 } Exynos4BoardState; 52 53 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = { 54 [EXYNOS4_BOARD_NURI] = 0xD33, 55 [EXYNOS4_BOARD_SMDKC210] = 0xB16, 56 }; 57 58 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = { 59 [EXYNOS4_BOARD_NURI] = EXYNOS4210_SECOND_CPU_BOOTREG, 60 [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG, 61 }; 62 63 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = { 64 [EXYNOS4_BOARD_NURI] = 1 * GiB, 65 [EXYNOS4_BOARD_SMDKC210] = 1 * GiB, 66 }; 67 68 static struct arm_boot_info exynos4_board_binfo = { 69 .loader_start = EXYNOS4210_BASE_BOOT_ADDR, 70 .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR, 71 .nb_cpus = EXYNOS4210_NCPUS, 72 .write_secondary_boot = exynos4210_write_secondary, 73 }; 74 75 static void lan9215_init(uint32_t base, qemu_irq irq) 76 { 77 DeviceState *dev; 78 SysBusDevice *s; 79 80 /* This should be a 9215 but the 9118 is close enough */ 81 if (nd_table[0].used) { 82 qemu_check_nic_model(&nd_table[0], "lan9118"); 83 dev = qdev_create(NULL, TYPE_LAN9118); 84 qdev_set_nic_properties(dev, &nd_table[0]); 85 qdev_prop_set_uint32(dev, "mode_16bit", 1); 86 qdev_init_nofail(dev); 87 s = SYS_BUS_DEVICE(dev); 88 sysbus_mmio_map(s, 0, base); 89 sysbus_connect_irq(s, 0, irq); 90 } 91 } 92 93 static void exynos4_boards_init_ram(Exynos4BoardState *s, 94 MemoryRegion *system_mem, 95 unsigned long ram_size) 96 { 97 unsigned long mem_size = ram_size; 98 99 if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) { 100 memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1", 101 mem_size - EXYNOS4210_DRAM_MAX_SIZE, 102 &error_fatal); 103 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR, 104 &s->dram1_mem); 105 mem_size = EXYNOS4210_DRAM_MAX_SIZE; 106 } 107 108 memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size, 109 &error_fatal); 110 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR, 111 &s->dram0_mem); 112 } 113 114 static Exynos4BoardState * 115 exynos4_boards_init_common(MachineState *machine, 116 Exynos4BoardType board_type) 117 { 118 Exynos4BoardState *s = g_new(Exynos4BoardState, 1); 119 120 exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type]; 121 exynos4_board_binfo.board_id = exynos4_board_id[board_type]; 122 exynos4_board_binfo.smp_bootreg_addr = 123 exynos4_board_smp_bootreg_addr[board_type]; 124 exynos4_board_binfo.kernel_filename = machine->kernel_filename; 125 exynos4_board_binfo.initrd_filename = machine->initrd_filename; 126 exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline; 127 exynos4_board_binfo.gic_cpu_if_addr = 128 EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100; 129 130 exynos4_boards_init_ram(s, get_system_memory(), 131 exynos4_board_ram_size[board_type]); 132 133 object_initialize(&s->soc, sizeof(s->soc), TYPE_EXYNOS4210_SOC); 134 qdev_set_parent_bus(DEVICE(&s->soc), sysbus_get_default()); 135 object_property_set_bool(OBJECT(&s->soc), true, "realized", 136 &error_fatal); 137 138 return s; 139 } 140 141 static void nuri_init(MachineState *machine) 142 { 143 exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI); 144 145 arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo); 146 } 147 148 static void smdkc210_init(MachineState *machine) 149 { 150 Exynos4BoardState *s = exynos4_boards_init_common(machine, 151 EXYNOS4_BOARD_SMDKC210); 152 153 lan9215_init(SMDK_LAN9118_BASE_ADDR, 154 qemu_irq_invert(s->soc.irq_table[exynos4210_get_irq(37, 1)])); 155 arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo); 156 } 157 158 static void nuri_class_init(ObjectClass *oc, void *data) 159 { 160 MachineClass *mc = MACHINE_CLASS(oc); 161 162 mc->desc = "Samsung NURI board (Exynos4210)"; 163 mc->init = nuri_init; 164 mc->max_cpus = EXYNOS4210_NCPUS; 165 mc->min_cpus = EXYNOS4210_NCPUS; 166 mc->default_cpus = EXYNOS4210_NCPUS; 167 mc->ignore_memory_transaction_failures = true; 168 } 169 170 static const TypeInfo nuri_type = { 171 .name = MACHINE_TYPE_NAME("nuri"), 172 .parent = TYPE_MACHINE, 173 .class_init = nuri_class_init, 174 }; 175 176 static void smdkc210_class_init(ObjectClass *oc, void *data) 177 { 178 MachineClass *mc = MACHINE_CLASS(oc); 179 180 mc->desc = "Samsung SMDKC210 board (Exynos4210)"; 181 mc->init = smdkc210_init; 182 mc->max_cpus = EXYNOS4210_NCPUS; 183 mc->min_cpus = EXYNOS4210_NCPUS; 184 mc->default_cpus = EXYNOS4210_NCPUS; 185 mc->ignore_memory_transaction_failures = true; 186 } 187 188 static const TypeInfo smdkc210_type = { 189 .name = MACHINE_TYPE_NAME("smdkc210"), 190 .parent = TYPE_MACHINE, 191 .class_init = smdkc210_class_init, 192 }; 193 194 static void exynos4_machines_init(void) 195 { 196 type_register_static(&nuri_type); 197 type_register_static(&smdkc210_type); 198 } 199 200 type_init(exynos4_machines_init) 201