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
32 #define BIOS_FILENAME "shix_bios.bin"
33 #define BIOS_ADDRESS 0xA0000000
45 void pic_set_irq(int irq
, int level
)
55 void vga_update_display()
60 void vga_invalidate_display()
65 void vga_screen_dump(const char *filename
)
70 void shix_init(int ram_size
, int vga_ram_size
, int boot_device
,
71 DisplayState
* ds
, const char **fd_filename
, int snapshot
,
72 const char *kernel_filename
, const char *kernel_cmdline
,
73 const char *initrd_filename
)
77 struct SH7750State
*s
;
79 printf("Initializing CPU\n");
82 /* Allocate memory space */
83 printf("Allocating ROM\n");
84 cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM
);
85 printf("Allocating SDRAM 1\n");
86 cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
87 printf("Allocating SDRAM 2\n");
88 cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
90 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
91 printf("%s: load BIOS '%s'\n", __func__
, BIOS_FILENAME
);
92 ret
= load_image(BIOS_FILENAME
, phys_ram_base
);
93 if (ret
< 0) { /* Check bios size */
94 fprintf(stderr
, "ret=%d\n", ret
);
95 fprintf(stderr
, "qemu: could not load SHIX bios '%s'\n",
100 /* Register peripherals */
101 s
= sh7750_init(env
);
102 /* XXXXX Check success */
103 tc58128_init(s
, "shix_linux_nand.bin", NULL
);
104 fprintf(stderr
, "initialization terminated\n");
107 QEMUMachine shix_machine
= {