/[gxemul]/trunk/src/devices/dev_footbridge.c
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revision 29 by dpavlin, Mon Oct 8 16:19:56 2007 UTC revision 30 by dpavlin, Mon Oct 8 16:20:40 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *   *
27   *   *
28   *  $Id: dev_footbridge.c,v 1.43 2006/03/04 12:38:47 debug Exp $   *  $Id: dev_footbridge.c,v 1.44 2006/08/11 17:43:30 debug Exp $
29   *   *
30   *  Footbridge. Used in Netwinder and Cats.   *  Footbridge. Used in Netwinder and Cats.
31   *   *
# Line 136  DEVICE_ACCESS(footbridge_isa) Line 136  DEVICE_ACCESS(footbridge_isa)
136    
137    
138  /*  /*
139     *  Reset pin at ISA port 0x338, at least in the NetWinder:
140     *
141     *  TODO: NOT WORKING YET!
142     */
143    DEVICE_ACCESS(footbridge_reset)
144    {
145            uint64_t idata = 0;
146    
147            if (writeflag == MEM_WRITE) {
148                    idata = memory_readmax64(cpu, data, len);
149                    if (idata & 0x40) {
150                            debug("[ footbridge_reset: GP16: Halting. ]\n");
151                            cpu->running = 0;
152    exit(1);
153                    }
154            }
155    
156            return 1;
157    }
158    
159    
160    /*
161   *  dev_footbridge_pci_access():   *  dev_footbridge_pci_access():
162   *   *
163   *  The Footbridge PCI configuration space is implemented as a direct memory   *  The Footbridge PCI configuration space is implemented as a direct memory
# Line 444  DEVINIT(footbridge) Line 466  DEVINIT(footbridge)
466                      devinit->machine->memory, 0xc0, 11, 0, "symphony_83c553");                      devinit->machine->memory, 0xc0, 11, 0, "symphony_83c553");
467                  bus_pci_add(devinit->machine, d->pcibus,                  bus_pci_add(devinit->machine, d->pcibus,
468                      devinit->machine->memory, 0xc0, 11, 1, "symphony_82c105");                      devinit->machine->memory, 0xc0, 11, 1, "symphony_82c105");
469                    memory_device_register(devinit->machine->memory,
470                        "footbridge_reset", 0x7c000338, 1,
471                        dev_footbridge_reset_access, d, DM_DEFAULT, NULL);
472                  break;                  break;
473          default:fatal("footbridge: unimplemented machine type.\n");          default:fatal("footbridge: unimplemented machine type.\n");
474                  exit(1);                  exit(1);
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