hw/gumstix.c

   1 /*
   2  * Gumstix Platforms
   3  *
   4  * Copyright (c) 2007 by Thorsten Zitterell <info@bitmux.org>
   5  *
   6  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
   7  *
   8  * This code is licensed under the GNU GPL v2.
   9  */
  10
  11 #include "hw.h"
  12 #include "pxa.h"
  13 #include "net.h"
  14 #include "flash.h"
  15 #include "sysemu.h"
  16 #include "devices.h"
  17 #include "boards.h"
  18
  19 /* Board init. */
  20 enum gumstix_model_e { connex };
  21
  22 static void gumstix_common_init(int ram_size, int vga_ram_size,
  23                 DisplayState *ds, const char *kernel_filename,
  24                 const char *kernel_cmdline, const char *initrd_filename,
  25                 const char *cpu_model, enum gumstix_model_e model)
  26 {
  27     struct pxa2xx_state_s *cpu;
  28
  29     uint32_t gumstix_rom = 0x02000000;
  30     uint32_t gumstix_ram = 0x08000000;
  31
  32     if (ram_size < (gumstix_ram + gumstix_rom + PXA2XX_INTERNAL_SIZE)) {
  33         fprintf(stderr, "This platform requires %i bytes of memory\n",
  34                 gumstix_ram + gumstix_rom + PXA2XX_INTERNAL_SIZE);
  35         exit(1);
  36     }
  37
  38     cpu = pxa255_init(gumstix_ram, ds);
  39
  40     if (pflash_table[0] == NULL) {
  41         fprintf(stderr, "A flash image must be given with the "
  42                 "'pflash' parameter\n");
  43         exit(1);
  44     }
  45
  46     if (!pflash_register(0x00000000, gumstix_ram + PXA2XX_INTERNAL_SIZE,
  47             pflash_table[0], 128 * 1024, 128, 2, 0, 0, 0, 0)) {
  48         fprintf(stderr, "qemu: Error register flash memory.\n");
  49         exit(1);
  50     }
  51
  52     cpu->env->regs[15] = 0x00000000;
  53
  54     /* Interrupt line of NIC is connected to GPIO line 36 */
  55     smc91c111_init(&nd_table[0], 0x04000300,
  56                     pxa2xx_gpio_in_get(cpu->gpio)[36]);
  57 }
  58
  59 static void connex_init(int ram_size, int vga_ram_size,
  60                 const char *boot_device, DisplayState *ds,
  61                 const char *kernel_filename, const char *kernel_cmdline,
  62                 const char *initrd_filename, const char *cpu_model)
  63 {
  64     gumstix_common_init(ram_size, vga_ram_size, ds, kernel_filename,
  65                 kernel_cmdline, initrd_filename, cpu_model, connex);
  66 }
  67
  68 QEMUMachine connex_machine = {
  69     "connex",
  70     "Gumstix Connex (PXA255)",
  71     connex_init,
  72 };