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