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 "vl.h"
  31
  32 #define BIOS_FILENAME "shix_bios.bin"
  33 #define BIOS_ADDRESS 0xA0000000
  34
  35 void DMA_run(void)
  36 {
  37     /* XXXXX */
  38 }
  39
  40 void irq_info(void)
  41 {
  42     /* XXXXX */
  43 }
  44
  45 void pic_info()
  46 {
  47     /* XXXXX */
  48 }
  49
  50 void vga_update_display()
  51 {
  52     /* XXXXX */
  53 }
  54
  55 void vga_invalidate_display()
  56 {
  57     /* XXXXX */
  58 }
  59
  60 void vga_screen_dump(const char *filename)
  61 {
  62     /* XXXXX */
  63 }
  64
  65 void shix_init(int ram_size, int vga_ram_size, int boot_device,
  66                DisplayState * ds, const char **fd_filename, int snapshot,
  67                const char *kernel_filename, const char *kernel_cmdline,
  68                const char *initrd_filename, const char *cpu_model)
  69 {
  70     int ret;
  71     CPUState *env;
  72     struct SH7750State *s;
  73
  74     printf("Initializing CPU\n");
  75     env = cpu_init();
  76
  77     /* Allocate memory space */
  78     printf("Allocating ROM\n");
  79     cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM);
  80     printf("Allocating SDRAM 1\n");
  81     cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
  82     printf("Allocating SDRAM 2\n");
  83     cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
  84
  85     /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
  86     if (bios_name == NULL)
  87         bios_name = BIOS_FILENAME;
  88     printf("%s: load BIOS '%s'\n", __func__, bios_name);
  89     ret = load_image(bios_name, phys_ram_base);
  90     if (ret < 0) {              /* Check bios size */
  91         fprintf(stderr, "ret=%d\n", ret);
  92         fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
  93                 bios_name);
  94         exit(1);
  95     }
  96
  97     /* Register peripherals */
  98     s = sh7750_init(env);
  99     /* XXXXX Check success */
 100     tc58128_init(s, "shix_linux_nand.bin", NULL);
 101     fprintf(stderr, "initialization terminated\n");
 102 }
 103
 104 QEMUMachine shix_machine = {
 105     "shix",
 106     "shix card",
 107     shix_init
 108 };