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 "vl.h"
  12
  13 static void connex_smc_irq(void *opaque, int line, int level)
  14 {
  15     /* Interrupt line of NIC is connected to GPIO line 36 */
  16     struct pxa2xx_state_s *cpu = (struct pxa2xx_state_s *) opaque;
  17     pxa2xx_gpio_set(cpu->gpio, 36, level);
  18 }
  19
  20 /* Board init. */
  21 enum gumstix_model_e { connex };
  22
  23 static void gumstix_common_init(int ram_size, int vga_ram_size,
  24                 DisplayState *ds, const char *kernel_filename,
  25                 const char *kernel_cmdline, const char *initrd_filename,
  26                 const char *cpu_model, enum gumstix_model_e model)
  27 {
  28     struct pxa2xx_state_s *cpu;
  29
  30     uint32_t gumstix_rom = 0x02000000;
  31     uint32_t gumstix_ram = 0x08000000;
  32
  33     if (ram_size < (gumstix_ram + gumstix_rom + PXA2XX_INTERNAL_SIZE)) {
  34         fprintf(stderr, "This platform requires %i bytes of memory\n",
  35                 gumstix_ram + gumstix_rom + PXA2XX_INTERNAL_SIZE);
  36         exit(1);
  37     }
  38
  39     cpu = pxa255_init(gumstix_ram, ds);
  40
  41     if (pflash_table[0] == NULL) {
  42         fprintf(stderr, "A flash image must be given with the "
  43                 "'pflash' parameter\n");
  44         exit(1);
  45     }
  46
  47     if (!pflash_register(0x00000000, gumstix_ram + PXA2XX_INTERNAL_SIZE,
  48             pflash_table[0], 128 * 1024, 128, 2, 0, 0, 0, 0)) {
  49         fprintf(stderr, "qemu: Error register flash memory.\n");
  50         exit(1);
  51     }
  52
  53     cpu->env->regs[15] = 0x00000000;
  54
  55     qemu_irq *irq = qemu_allocate_irqs(connex_smc_irq, cpu, 1);
  56     smc91c111_init(&nd_table[0], 0x04000300, *irq);
  57 }
  58
  59 static void connex_init(int ram_size, int vga_ram_size,
  60                 const char *boot_device, DisplayState *ds,
  61                 const char **fd_filename, int snapshot,
  62                 const char *kernel_filename, const char *kernel_cmdline,
  63                 const char *initrd_filename, const char *cpu_model)
  64 {
  65     gumstix_common_init(ram_size, vga_ram_size, ds, kernel_filename,
  66                 kernel_cmdline, initrd_filename, cpu_model, connex);
  67 }
  68
  69 QEMUMachine connex_machine = {
  70     "connex",
  71     "Gumstix Connex (PXA255)",
  72     connex_init,
  73 };