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