root / hw / shix.c @ 4487fd34
History | View | Annotate | Download (3.2 kB)
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 |
|
35 |
#define BIOS_FILENAME "shix_bios.bin" |
36 |
#define BIOS_ADDRESS 0xA0000000 |
37 |
|
38 |
void DMA_run(void) |
39 |
{ |
40 |
/* XXXXX */
|
41 |
} |
42 |
|
43 |
void irq_info(void) |
44 |
{ |
45 |
/* XXXXX */
|
46 |
} |
47 |
|
48 |
void pic_info(void) |
49 |
{ |
50 |
/* XXXXX */
|
51 |
} |
52 |
|
53 |
void vga_update_display(void) |
54 |
{ |
55 |
/* XXXXX */
|
56 |
} |
57 |
|
58 |
void vga_invalidate_display(void) |
59 |
{ |
60 |
/* XXXXX */
|
61 |
} |
62 |
|
63 |
void vga_screen_dump(const char *filename) |
64 |
{ |
65 |
/* XXXXX */
|
66 |
} |
67 |
|
68 |
static void shix_init(ram_addr_t ram_size, int vga_ram_size, |
69 |
const char *boot_device, DisplayState * ds, |
70 |
const char *kernel_filename, const char *kernel_cmdline, |
71 |
const char *initrd_filename, const char *cpu_model) |
72 |
{ |
73 |
int ret;
|
74 |
CPUState *env; |
75 |
struct SH7750State *s;
|
76 |
|
77 |
if (!cpu_model)
|
78 |
cpu_model = "any";
|
79 |
|
80 |
printf("Initializing CPU\n");
|
81 |
env = cpu_init(cpu_model); |
82 |
|
83 |
/* Allocate memory space */
|
84 |
printf("Allocating ROM\n");
|
85 |
cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM); |
86 |
printf("Allocating SDRAM 1\n");
|
87 |
cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000); |
88 |
printf("Allocating SDRAM 2\n");
|
89 |
cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000); |
90 |
|
91 |
/* Load BIOS in 0 (and access it through P2, 0xA0000000) */
|
92 |
if (bios_name == NULL) |
93 |
bios_name = BIOS_FILENAME; |
94 |
printf("%s: load BIOS '%s'\n", __func__, bios_name);
|
95 |
ret = load_image(bios_name, phys_ram_base); |
96 |
if (ret < 0) { /* Check bios size */ |
97 |
fprintf(stderr, "ret=%d\n", ret);
|
98 |
fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
|
99 |
bios_name); |
100 |
exit(1);
|
101 |
} |
102 |
|
103 |
/* Register peripherals */
|
104 |
s = sh7750_init(env); |
105 |
/* XXXXX Check success */
|
106 |
tc58128_init(s, "shix_linux_nand.bin", NULL); |
107 |
fprintf(stderr, "initialization terminated\n");
|
108 |
} |
109 |
|
110 |
QEMUMachine shix_machine = { |
111 |
"shix",
|
112 |
"shix card",
|
113 |
shix_init, |
114 |
(0x00004000 + 0x01000000 + 0x01000000) | RAMSIZE_FIXED |
115 |
}; |