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
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 /* Allocate memory space */
57 printf("Allocating ROM\n");
58 memory_region_init_ram(rom, "shix.rom", 0x4000);
59 vmstate_register_ram_global(rom);
60 memory_region_set_readonly(rom, true);
61 memory_region_add_subregion(sysmem, 0x00000000, rom);
62 printf("Allocating SDRAM 1\n");
63 memory_region_init_ram(&sdram[0], "shix.sdram1", 0x01000000);
64 vmstate_register_ram_global(&sdram[0]);
65 memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]);
66 printf("Allocating SDRAM 2\n");
67 memory_region_init_ram(&sdram[1], "shix.sdram2", 0x01000000);
68 vmstate_register_ram_global(&sdram[1]);
69 memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]);
71 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
72 if (bios_name == NULL)
73 bios_name = BIOS_FILENAME;
74 printf("%s: load BIOS '%s'\n", __func__, bios_name);
75 ret = load_image_targphys(bios_name, 0, 0x4000);
76 if (ret < 0) { /* Check bios size */
77 fprintf(stderr, "ret=%d\n", ret);
78 fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
83 /* Register peripherals */
84 s = sh7750_init(env, sysmem);
85 /* XXXXX Check success */
86 tc58128_init(s, "shix_linux_nand.bin", NULL);
87 fprintf(stderr, "initialization terminated\n");
90 static QEMUMachine shix_machine = {
97 static void shix_machine_init(void)
99 qemu_register_machine(&shix_machine);
102 machine_init(shix_machine_init);