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