diff options
Diffstat (limited to 'hw/arm/exynos4_boards.c')
| -rw-r--r-- | hw/arm/exynos4_boards.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/hw/arm/exynos4_boards.c b/hw/arm/exynos4_boards.c new file mode 100644 index 0000000..473da34 --- /dev/null +++ b/hw/arm/exynos4_boards.c @@ -0,0 +1,170 @@ +/* + * Samsung exynos4 SoC based boards emulation + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved. + * Maksim Kozlov <m.kozlov@samsung.com> + * Evgeny Voevodin <e.voevodin@samsung.com> + * Igor Mitsyanko <i.mitsyanko@samsung.com> + * + * 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 <http://www.gnu.org/licenses/>. + * + */ + +#include "sysemu/sysemu.h" +#include "hw/sysbus.h" +#include "net/net.h" +#include "hw/arm-misc.h" +#include "exec/address-spaces.h" +#include "hw/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; + +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 QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS]; + +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 Exynos4210State *exynos4_boards_init_common(QEMUMachineInitArgs *args, + Exynos4BoardType board_type) +{ + if (smp_cpus != EXYNOS4210_NCPUS) { + fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus" + " value.\n", + exynos4_machines[board_type].name, + exynos4_machines[board_type].max_cpus); + } + + 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 = args->kernel_filename; + exynos4_board_binfo.initrd_filename = args->initrd_filename; + exynos4_board_binfo.kernel_cmdline = args->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], + args->kernel_filename, + args->kernel_cmdline, + args->initrd_filename); + + return exynos4210_init(get_system_memory(), + exynos4_board_ram_size[board_type]); +} + +static void nuri_init(QEMUMachineInitArgs *args) +{ + exynos4_boards_init_common(args, EXYNOS4_BOARD_NURI); + + arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo); +} + +static void smdkc210_init(QEMUMachineInitArgs *args) +{ + Exynos4210State *s = exynos4_boards_init_common(args, + EXYNOS4_BOARD_SMDKC210); + + lan9215_init(SMDK_LAN9118_BASE_ADDR, + qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)])); + arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo); +} + +static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = { + [EXYNOS4_BOARD_NURI] = { + .name = "nuri", + .desc = "Samsung NURI board (Exynos4210)", + .init = nuri_init, + .max_cpus = EXYNOS4210_NCPUS, + DEFAULT_MACHINE_OPTIONS, + }, + [EXYNOS4_BOARD_SMDKC210] = { + .name = "smdkc210", + .desc = "Samsung SMDKC210 board (Exynos4210)", + .init = smdkc210_init, + .max_cpus = EXYNOS4210_NCPUS, + DEFAULT_MACHINE_OPTIONS, + }, +}; + +static void exynos4_machine_init(void) +{ + qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]); + qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]); +} + +machine_init(exynos4_machine_init); |
