2 * SHIX 2.0 board description
4 * Copyright (c) 2005 Samuel Tardieu
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 Shix 2.0 board by Alexis Polti, described at
26 http://perso.enst.fr/~polti/realisations/shix20/
28 More information in target-sh4/README.sh4
31 #include "hw/sh4/sh.h"
32 #include "sysemu/sysemu.h"
33 #include "hw/boards.h"
34 #include "hw/loader.h"
35 #include "exec/address-spaces.h"
37 #define BIOS_FILENAME "shix_bios.bin"
38 #define BIOS_ADDRESS 0xA0000000
40 static void shix_init(QEMUMachineInitArgs
*args
)
42 const char *cpu_model
= args
->cpu_model
;
45 struct SH7750State
*s
;
46 MemoryRegion
*sysmem
= get_system_memory();
47 MemoryRegion
*rom
= g_new(MemoryRegion
, 1);
48 MemoryRegion
*sdram
= g_new(MemoryRegion
, 2);
53 printf("Initializing CPU\n");
54 env
= cpu_init(cpu_model
);
56 fprintf(stderr
, "Unable to find CPU definition\n");
60 /* Allocate memory space */
61 printf("Allocating ROM\n");
62 memory_region_init_ram(rom
, "shix.rom", 0x4000);
63 vmstate_register_ram_global(rom
);
64 memory_region_set_readonly(rom
, true);
65 memory_region_add_subregion(sysmem
, 0x00000000, rom
);
66 printf("Allocating SDRAM 1\n");
67 memory_region_init_ram(&sdram
[0], "shix.sdram1", 0x01000000);
68 vmstate_register_ram_global(&sdram
[0]);
69 memory_region_add_subregion(sysmem
, 0x08000000, &sdram
[0]);
70 printf("Allocating SDRAM 2\n");
71 memory_region_init_ram(&sdram
[1], "shix.sdram2", 0x01000000);
72 vmstate_register_ram_global(&sdram
[1]);
73 memory_region_add_subregion(sysmem
, 0x0c000000, &sdram
[1]);
75 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
76 if (bios_name
== NULL
)
77 bios_name
= BIOS_FILENAME
;
78 printf("%s: load BIOS '%s'\n", __func__
, bios_name
);
79 ret
= load_image_targphys(bios_name
, 0, 0x4000);
80 if (ret
< 0) { /* Check bios size */
81 fprintf(stderr
, "ret=%d\n", ret
);
82 fprintf(stderr
, "qemu: could not load SHIX bios '%s'\n",
87 /* Register peripherals */
88 s
= sh7750_init(env
, sysmem
);
89 /* XXXXX Check success */
90 tc58128_init(s
, "shix_linux_nand.bin", NULL
);
91 fprintf(stderr
, "initialization terminated\n");
94 static QEMUMachine shix_machine
= {
99 DEFAULT_MACHINE_OPTIONS
,
102 static void shix_machine_init(void)
104 qemu_register_machine(&shix_machine
);
107 machine_init(shix_machine_init
);