Archipelago » qemu

/*

 *  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.h"

#include "sysbus.h"

#include "net.h"

#include "arm-misc.h"

#include "exec-memory.h"

#include "exynos4210.h"

#include "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].vlan) {

        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 = sysbus_from_qdev(dev);

        sysbus_mmio_map(s, 0, base);

        sysbus_connect_irq(s, 0, irq);

    }

}

static Exynos4210State *exynos4_boards_init_common(

        const char *kernel_filename,

        const char *kernel_cmdline,

        const char *initrd_filename,

        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 = kernel_filename;

    exynos4_board_binfo.initrd_filename = initrd_filename;

    exynos4_board_binfo.kernel_cmdline = 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],

            kernel_filename,

            kernel_cmdline,

            initrd_filename);

    return exynos4210_init(get_system_memory(),

            exynos4_board_ram_size[board_type]);

}

static void nuri_init(ram_addr_t ram_size,

        const char *boot_device,

        const char *kernel_filename, const char *kernel_cmdline,

        const char *initrd_filename, const char *cpu_model)

{

    exynos4_boards_init_common(kernel_filename, kernel_cmdline,

                initrd_filename, EXYNOS4_BOARD_NURI);

    arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);

}

static void smdkc210_init(ram_addr_t ram_size,

        const char *boot_device,

        const char *kernel_filename, const char *kernel_cmdline,

        const char *initrd_filename, const char *cpu_model)

{

    Exynos4210State *s = exynos4_boards_init_common(kernel_filename,

            kernel_cmdline, initrd_filename, 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,

    },

    [EXYNOS4_BOARD_SMDKC210] = {

        .name = "smdkc210",

        .desc = "Samsung SMDKC210 board (Exynos4210)",

        .init = smdkc210_init,

        .max_cpus = EXYNOS4210_NCPUS,

    },

};

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);