/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/Genoa.c,v 3.4 1996/12/23 06:31:09 dawes Exp $ */ /* * (c) Copyright 1993,1994 by David Wexelblat * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Except as contained in this notice, the name of David Wexelblat shall not be * used in advertising or otherwise to promote the sale, use or other dealings * in this Software without prior written authorization from David Wexelblat. * */ /* $XConsortium: Genoa.c /main/5 1996/02/21 17:10:03 kaleb $ */ #include "Probe.h" static int MemProbe_Genoa __STDCARGS((int)); Chip_Descriptor Genoa_Descriptor = { "Genoa", Probe_Genoa, NULL, 0, FALSE, TRUE, TRUE, MemProbe_Genoa, }; Bool Probe_Genoa(Chipset) int *Chipset; { Bool result = FALSE; Byte addr, data[4]; if (ReadBIOS(0x37, &addr, 1) != 1) { fprintf(stderr, "%s: Failed to read Genoa BIOS address.\n", MyName); return(FALSE); } if (ReadBIOS((unsigned)addr, data, 4) != 4) { fprintf(stderr, "%s: Failed to read Genoa BIOS signature.\n", MyName); return(FALSE); } if ((data[0] == 0x77) && (data[2] == 0x99) && (data[3] == 0x66)) { /* * Genoa also has ET3000 and (possibly) ET4000 based * boards that match this signature. We only match * the ones with Genoa chips, and let other probe * functions deal with other chipsets. */ switch (data[1]) { case 0x00: *Chipset = CHIP_G_6200; result = TRUE; break; case 0x11: *Chipset = CHIP_G_6400; result = TRUE; break; case 0x22: *Chipset = CHIP_G_6100; result = TRUE; break; } } return(result); } static int MemProbe_Genoa(Chipset) int Chipset; { int Mem = 0; switch (Chipset) { case CHIP_G_6100: case CHIP_G_6200: Mem = 256; break; case CHIP_G_6400: Mem = 512; break; } return(Mem); }