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/*

 * SHIX 2.0 board description

 *

 * Copyright (c) 2005 Samuel Tardieu

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

/*

   Shix 2.0 board by Alexis Polti, described at

   http://perso.enst.fr/~polti/realisations/shix20/

   More information in target-sh4/README.sh4

*/

#include "hw.h"

#include "sh.h"

#include "sysemu.h"

#include "boards.h"

#include "loader.h"

#include "exec-memory.h"

#define BIOS_FILENAME "shix_bios.bin"

#define BIOS_ADDRESS 0xA0000000

static void shix_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)

{

    int ret;

    CPUState *env;

    struct SH7750State *s;

    MemoryRegion *sysmem = get_system_memory();

    MemoryRegion *rom = g_new(MemoryRegion, 1);

    MemoryRegion *sdram = g_new(MemoryRegion, 2);

    if (!cpu_model)

        cpu_model = "any";

    printf("Initializing CPU\n");

    env = cpu_init(cpu_model);

    /* Allocate memory space */

    printf("Allocating ROM\n");

    memory_region_init_ram(rom, "shix.rom", 0x4000);

    vmstate_register_ram_global(rom);

    memory_region_set_readonly(rom, true);

    memory_region_add_subregion(sysmem, 0x00000000, rom);

    printf("Allocating SDRAM 1\n");

    memory_region_init_ram(&sdram[0], "shix.sdram1", 0x01000000);

    vmstate_register_ram_global(&sdram[0]);

    memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]);

    printf("Allocating SDRAM 2\n");

    memory_region_init_ram(&sdram[1], "shix.sdram2", 0x01000000);

    vmstate_register_ram_global(&sdram[1]);

    memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]);

    /* Load BIOS in 0 (and access it through P2, 0xA0000000) */

    if (bios_name == NULL)

        bios_name = BIOS_FILENAME;

    printf("%s: load BIOS '%s'\n", __func__, bios_name);

    ret = load_image_targphys(bios_name, 0, 0x4000);

    if (ret < 0) {                /* Check bios size */

        fprintf(stderr, "ret=%d\n", ret);

        fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",

                bios_name);

        exit(1);

    }

    /* Register peripherals */

    s = sh7750_init(env, sysmem);

    /* XXXXX Check success */

    tc58128_init(s, "shix_linux_nand.bin", NULL);

    fprintf(stderr, "initialization terminated\n");

}

static QEMUMachine shix_machine = {

    .name = "shix",

    .desc = "shix card",

    .init = shix_init,

    .is_default = 1,

};

static void shix_machine_init(void)

{

    qemu_register_machine(&shix_machine);

}

machine_init(shix_machine_init);