hw/r2d.c

   1 /*
   2  * Renesas SH7751R R2D-PLUS emulation
   3  *
   4  * Copyright (c) 2007 Magnus Damm
   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 #include "vl.h"
  26
  27 #define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */
  28 #define SDRAM_SIZE 0x04000000
  29
  30 void r2d_init(int ram_size, int vga_ram_size, int boot_device,
  31               DisplayState * ds, const char **fd_filename, int snapshot,
  32               const char *kernel_filename, const char *kernel_cmdline,
  33               const char *initrd_filename, const char *cpu_model)
  34 {
  35     int ret;
  36     CPUState *env;
  37     struct SH7750State *s;
  38
  39     env = cpu_init();
  40
  41     /* Allocate memory space */
  42     cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, 0);
  43     /* Register peripherals */
  44     s = sh7750_init(env);
  45     /* Todo: register on board registers */
  46     {
  47       int kernel_size;
  48
  49       kernel_size = load_image(kernel_filename, phys_ram_base);
  50
  51       if (kernel_size < 0) {
  52         fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
  53         exit(1);
  54       }
  55
  56       env->pc = SDRAM_BASE | 0xa0000000; /* Start from P2 area */
  57     }
  58 }
  59
  60 QEMUMachine r2d_machine = {
  61     "r2d",
  62     "r2d-plus board",
  63     r2d_init
  64 };