/* * Samsung exynos4 SoC based boards emulation * * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved. * Maksim Kozlov * Evgeny Voevodin * Igor Mitsyanko * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see . * */ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu/error-report.h" #include "qemu-common.h" #include "cpu.h" #include "sysemu/sysemu.h" #include "sysemu/qtest.h" #include "hw/sysbus.h" #include "net/net.h" #include "hw/arm/arm.h" #include "exec/address-spaces.h" #include "hw/arm/exynos4210.h" #include "hw/boards.h" #undef DEBUG //#define DEBUG #ifdef DEBUG #undef PRINT_DEBUG #define PRINT_DEBUG(fmt, args...) \ do { \ fprintf(stderr, " [%s:%d] "fmt, __func__, __LINE__, ##args); \ } while (0) #else #define PRINT_DEBUG(fmt, args...) do {} while (0) #endif #define SMDK_LAN9118_BASE_ADDR 0x05000000 typedef enum Exynos4BoardType { EXYNOS4_BOARD_NURI, EXYNOS4_BOARD_SMDKC210, EXYNOS4_NUM_OF_BOARDS } Exynos4BoardType; typedef struct Exynos4BoardState { Exynos4210State *soc; MemoryRegion dram0_mem; MemoryRegion dram1_mem; } Exynos4BoardState; static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = { [EXYNOS4_BOARD_NURI] = 0xD33, [EXYNOS4_BOARD_SMDKC210] = 0xB16, }; static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = { [EXYNOS4_BOARD_NURI] = EXYNOS4210_SECOND_CPU_BOOTREG, [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG, }; static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = { [EXYNOS4_BOARD_NURI] = 0x40000000, [EXYNOS4_BOARD_SMDKC210] = 0x40000000, }; static struct arm_boot_info exynos4_board_binfo = { .loader_start = EXYNOS4210_BASE_BOOT_ADDR, .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR, .nb_cpus = EXYNOS4210_NCPUS, .write_secondary_boot = exynos4210_write_secondary, }; static void lan9215_init(uint32_t base, qemu_irq irq) { DeviceState *dev; SysBusDevice *s; /* This should be a 9215 but the 9118 is close enough */ if (nd_table[0].used) { qemu_check_nic_model(&nd_table[0], "lan9118"); dev = qdev_create(NULL, "lan9118"); qdev_set_nic_properties(dev, &nd_table[0]); qdev_prop_set_uint32(dev, "mode_16bit", 1); qdev_init_nofail(dev); s = SYS_BUS_DEVICE(dev); sysbus_mmio_map(s, 0, base); sysbus_connect_irq(s, 0, irq); } } static void exynos4_boards_init_ram(Exynos4BoardState *s, MemoryRegion *system_mem, unsigned long ram_size) { unsigned long mem_size = ram_size; if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) { memory_region_init_ram_nomigrate(&s->dram1_mem, NULL, "exynos4210.dram1", mem_size - EXYNOS4210_DRAM_MAX_SIZE, &error_fatal); vmstate_register_ram_global(&s->dram1_mem); memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR, &s->dram1_mem); mem_size = EXYNOS4210_DRAM_MAX_SIZE; } memory_region_init_ram_nomigrate(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size, &error_fatal); vmstate_register_ram_global(&s->dram0_mem); memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR, &s->dram0_mem); } static Exynos4BoardState * exynos4_boards_init_common(MachineState *machine, Exynos4BoardType board_type) { Exynos4BoardState *s = g_new(Exynos4BoardState, 1); MachineClass *mc = MACHINE_GET_CLASS(machine); if (smp_cpus != EXYNOS4210_NCPUS && !qtest_enabled()) { error_report("%s board supports only %d CPU cores, ignoring smp_cpus" " value", mc->name, EXYNOS4210_NCPUS); } exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type]; exynos4_board_binfo.board_id = exynos4_board_id[board_type]; exynos4_board_binfo.smp_bootreg_addr = exynos4_board_smp_bootreg_addr[board_type]; exynos4_board_binfo.kernel_filename = machine->kernel_filename; exynos4_board_binfo.initrd_filename = machine->initrd_filename; exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline; exynos4_board_binfo.gic_cpu_if_addr = EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100; PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n" " kernel_filename: %s\n" " kernel_cmdline: %s\n" " initrd_filename: %s\n", exynos4_board_ram_size[board_type] / 1048576, exynos4_board_ram_size[board_type], machine->kernel_filename, machine->kernel_cmdline, machine->initrd_filename); exynos4_boards_init_ram(s, get_system_memory(), exynos4_board_ram_size[board_type]); s->soc = exynos4210_init(get_system_memory()); return s; } static void nuri_init(MachineState *machine) { exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI); arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo); } static void smdkc210_init(MachineState *machine) { Exynos4BoardState *s = exynos4_boards_init_common(machine, EXYNOS4_BOARD_SMDKC210); lan9215_init(SMDK_LAN9118_BASE_ADDR, qemu_irq_invert(s->soc->irq_table[exynos4210_get_irq(37, 1)])); arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo); } static void nuri_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); mc->desc = "Samsung NURI board (Exynos4210)"; mc->init = nuri_init; mc->max_cpus = EXYNOS4210_NCPUS; } static const TypeInfo nuri_type = { .name = MACHINE_TYPE_NAME("nuri"), .parent = TYPE_MACHINE, .class_init = nuri_class_init, }; static void smdkc210_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); mc->desc = "Samsung SMDKC210 board (Exynos4210)"; mc->init = smdkc210_init; mc->max_cpus = EXYNOS4210_NCPUS; } static const TypeInfo smdkc210_type = { .name = MACHINE_TYPE_NAME("smdkc210"), .parent = TYPE_MACHINE, .class_init = smdkc210_class_init, }; static void exynos4_machines_init(void) { type_register_static(&nuri_type); type_register_static(&smdkc210_type); } type_init(exynos4_machines_init)