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[qemu.git] / hw / shix.c
1 /*
2 * SHIX 2.0 board description
3 *
4 * Copyright (c) 2005 Samuel Tardieu
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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
22 * THE SOFTWARE.
23 */
24 /*
25 Shix 2.0 board by Alexis Polti, described at
26 http://perso.enst.fr/~polti/realisations/shix20/
27
28 More information in target-sh4/README.sh4
29 */
30 #include "hw.h"
31 #include "sh.h"
32 #include "sysemu.h"
33 #include "boards.h"
34 #include "loader.h"
35
36 #define BIOS_FILENAME "shix_bios.bin"
37 #define BIOS_ADDRESS 0xA0000000
38
39 static void shix_init(ram_addr_t ram_size,
40 const char *boot_device,
41 const char *kernel_filename, const char *kernel_cmdline,
42 const char *initrd_filename, const char *cpu_model)
43 {
44 int ret;
45 CPUState *env;
46 struct SH7750State *s;
47
48 if (!cpu_model)
49 cpu_model = "any";
50
51 printf("Initializing CPU\n");
52 env = cpu_init(cpu_model);
53
54 /* Allocate memory space */
55 printf("Allocating ROM\n");
56 cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM);
57 printf("Allocating SDRAM 1\n");
58 cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
59 printf("Allocating SDRAM 2\n");
60 cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
61
62 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
63 if (bios_name == NULL)
64 bios_name = BIOS_FILENAME;
65 printf("%s: load BIOS '%s'\n", __func__, bios_name);
66 ret = load_image_targphys(bios_name, 0, 0x4000);
67 if (ret < 0) { /* Check bios size */
68 fprintf(stderr, "ret=%d\n", ret);
69 fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
70 bios_name);
71 exit(1);
72 }
73
74 /* Register peripherals */
75 s = sh7750_init(env);
76 /* XXXXX Check success */
77 tc58128_init(s, "shix_linux_nand.bin", NULL);
78 fprintf(stderr, "initialization terminated\n");
79 }
80
81 static QEMUMachine shix_machine = {
82 .name = "shix",
83 .desc = "shix card",
84 .init = shix_init,
85 .is_default = 1,
86 };
87
88 static void shix_machine_init(void)
89 {
90 qemu_register_machine(&shix_machine);
91 }
92
93 machine_init(shix_machine_init);