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 "sysemu.h" 25 #include "sysbus.h" 26 #include "net.h" 27 #include "arm-misc.h" 28 #include "exec-memory.h" 29 #include "exynos4210.h" 30 #include "boards.h" 31 32 #undef DEBUG 33 34 //#define DEBUG 35 36 #ifdef DEBUG 37 #undef PRINT_DEBUG 38 #define PRINT_DEBUG(fmt, args...) \ 39 do { \ 40 fprintf(stderr, " [%s:%d] "fmt, __func__, __LINE__, ##args); \ 41 } while (0) 42 #else 43 #define PRINT_DEBUG(fmt, args...) do {} while (0) 44 #endif 45 46 #define SMDK_LAN9118_BASE_ADDR 0x05000000 47 48 typedef enum Exynos4BoardType { 49 EXYNOS4_BOARD_NURI, 50 EXYNOS4_BOARD_SMDKC210, 51 EXYNOS4_NUM_OF_BOARDS 52 } Exynos4BoardType; 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] = 0x40000000, 66 [EXYNOS4_BOARD_SMDKC210] = 0x40000000, 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 }; 74 75 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS]; 76 77 static void lan9215_init(uint32_t base, qemu_irq irq) 78 { 79 DeviceState *dev; 80 SysBusDevice *s; 81 82 /* This should be a 9215 but the 9118 is close enough */ 83 if (nd_table[0].vlan) { 84 qemu_check_nic_model(&nd_table[0], "lan9118"); 85 dev = qdev_create(NULL, "lan9118"); 86 qdev_set_nic_properties(dev, &nd_table[0]); 87 qdev_prop_set_uint32(dev, "mode_16bit", 1); 88 qdev_init_nofail(dev); 89 s = sysbus_from_qdev(dev); 90 sysbus_mmio_map(s, 0, base); 91 sysbus_connect_irq(s, 0, irq); 92 } 93 } 94 95 static Exynos4210State *exynos4_boards_init_common( 96 const char *kernel_filename, 97 const char *kernel_cmdline, 98 const char *initrd_filename, 99 Exynos4BoardType board_type) 100 { 101 if (smp_cpus != EXYNOS4210_NCPUS) { 102 fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus" 103 " value.\n", 104 exynos4_machines[board_type].name, 105 exynos4_machines[board_type].max_cpus); 106 } 107 108 exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type]; 109 exynos4_board_binfo.board_id = exynos4_board_id[board_type]; 110 exynos4_board_binfo.smp_bootreg_addr = 111 exynos4_board_smp_bootreg_addr[board_type]; 112 exynos4_board_binfo.kernel_filename = kernel_filename; 113 exynos4_board_binfo.initrd_filename = initrd_filename; 114 exynos4_board_binfo.kernel_cmdline = kernel_cmdline; 115 exynos4_board_binfo.smp_priv_base = EXYNOS4210_SMP_PRIVATE_BASE_ADDR; 116 117 PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n" 118 " kernel_filename: %s\n" 119 " kernel_cmdline: %s\n" 120 " initrd_filename: %s\n", 121 exynos4_board_ram_size[board_type] / 1048576, 122 exynos4_board_ram_size[board_type], 123 kernel_filename, 124 kernel_cmdline, 125 initrd_filename); 126 127 return exynos4210_init(get_system_memory(), 128 exynos4_board_ram_size[board_type]); 129 } 130 131 static void nuri_init(ram_addr_t ram_size, 132 const char *boot_device, 133 const char *kernel_filename, const char *kernel_cmdline, 134 const char *initrd_filename, const char *cpu_model) 135 { 136 exynos4_boards_init_common(kernel_filename, kernel_cmdline, 137 initrd_filename, EXYNOS4_BOARD_NURI); 138 139 arm_load_kernel(first_cpu, &exynos4_board_binfo); 140 } 141 142 static void smdkc210_init(ram_addr_t ram_size, 143 const char *boot_device, 144 const char *kernel_filename, const char *kernel_cmdline, 145 const char *initrd_filename, const char *cpu_model) 146 { 147 Exynos4210State *s = exynos4_boards_init_common(kernel_filename, 148 kernel_cmdline, initrd_filename, EXYNOS4_BOARD_SMDKC210); 149 150 lan9215_init(SMDK_LAN9118_BASE_ADDR, 151 qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)])); 152 arm_load_kernel(first_cpu, &exynos4_board_binfo); 153 } 154 155 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = { 156 [EXYNOS4_BOARD_NURI] = { 157 .name = "nuri", 158 .desc = "Samsung NURI board (Exynos4210)", 159 .init = nuri_init, 160 .max_cpus = EXYNOS4210_NCPUS, 161 }, 162 [EXYNOS4_BOARD_SMDKC210] = { 163 .name = "smdkc210", 164 .desc = "Samsung SMDKC210 board (Exynos4210)", 165 .init = smdkc210_init, 166 .max_cpus = EXYNOS4210_NCPUS, 167 }, 168 }; 169 170 static void exynos4_machine_init(void) 171 { 172 qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]); 173 qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]); 174 } 175 176 machine_init(exynos4_machine_init); 177