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 } 193 194 static const TypeInfo nuri_type = { 195 .name = MACHINE_TYPE_NAME("nuri"), 196 .parent = TYPE_MACHINE, 197 .class_init = nuri_class_init, 198 }; 199 200 static void smdkc210_class_init(ObjectClass *oc, void *data) 201 { 202 MachineClass *mc = MACHINE_CLASS(oc); 203 204 mc->desc = "Samsung SMDKC210 board (Exynos4210)"; 205 mc->init = smdkc210_init; 206 mc->max_cpus = EXYNOS4210_NCPUS; 207 } 208 209 static const TypeInfo smdkc210_type = { 210 .name = MACHINE_TYPE_NAME("smdkc210"), 211 .parent = TYPE_MACHINE, 212 .class_init = smdkc210_class_init, 213 }; 214 215 static void exynos4_machines_init(void) 216 { 217 type_register_static(&nuri_type); 218 type_register_static(&smdkc210_type); 219 } 220 221 type_init(exynos4_machines_init) 222