diff options
Diffstat (limited to 'hw/sh4/shix.c')
-rw-r--r-- | hw/sh4/shix.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/hw/sh4/shix.c b/hw/sh4/shix.c new file mode 100644 index 0000000000..192579d065 --- /dev/null +++ b/hw/sh4/shix.c @@ -0,0 +1,103 @@ +/* + * 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/hw.h" +#include "hw/sh.h" +#include "sysemu/sysemu.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "exec/address-spaces.h" + +#define BIOS_FILENAME "shix_bios.bin" +#define BIOS_ADDRESS 0xA0000000 + +static void shix_init(QEMUMachineInitArgs *args) +{ + const char *cpu_model = args->cpu_model; + int ret; + CPUSH4State *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, + DEFAULT_MACHINE_OPTIONS, +}; + +static void shix_machine_init(void) +{ + qemu_register_machine(&shix_machine); +} + +machine_init(shix_machine_init); |