1152219Simp/*- 2152219Simp * Copyright (c) 2005 Rink Springer 3152219Simp * All rights reserved. 4152219Simp * 5152219Simp * Redistribution and use in source and binary forms, with or without 6152219Simp * modification, are permitted provided that the following conditions 7152219Simp * are met: 8152219Simp * 1. Redistributions of source code must retain the above copyright 9152219Simp * notice, this list of conditions and the following disclaimer. 10152219Simp * 2. Redistributions in binary form must reproduce the above copyright 11152219Simp * notice, this list of conditions and the following disclaimer in the 12152219Simp * documentation and/or other materials provided with the distribution. 13152219Simp * 3. The name of the author may not be used to endorse or promote products 14152219Simp * derived from this software without specific prior written permission 15152219Simp * 16152219Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17152219Simp * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18152219Simp * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19152219Simp * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20152219Simp * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21152219Simp * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22152219Simp * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23152219Simp * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24152219Simp * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25152219Simp * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26152219Simp * 27152219Simp * $FreeBSD$ 28152219Simp */ 29152219Simp#include <sys/param.h> 30155288Srink#include <sys/systm.h> 31152219Simp#include <sys/kernel.h> 32152219Simp#include <sys/eventhandler.h> 33152219Simp#include <sys/reboot.h> 34152219Simp#include <machine/xbox.h> 35155288Srink#include <vm/vm.h> 36155288Srink#include <vm/pmap.h> 37152219Simp 38152219Simp#ifndef I686_CPU 39161340Spav#error You must have a I686_CPU in your kernel if you want to make an XBOX-compatible kernel 40152219Simp#endif 41152219Simp 42152219Simpstatic void 43152219Simpxbox_poweroff(void* junk, int howto) 44152219Simp{ 45152219Simp if (!(howto & RB_POWEROFF)) 46152219Simp return; 47152219Simp 48152219Simp pic16l_poweroff(); 49152219Simp} 50152219Simp 51152219Simpstatic void 52152219Simpxbox_init(void) 53152219Simp{ 54155288Srink char* ptr; 55155288Srink 56152219Simp if (!arch_i386_is_xbox) 57152219Simp return; 58152219Simp 59152219Simp /* register our poweroff function */ 60152219Simp EVENTHANDLER_REGISTER (shutdown_final, xbox_poweroff, NULL, 61152219Simp SHUTDOWN_PRI_LAST); 62155288Srink 63155288Srink /* 64155288Srink * Some XBOX loaders, such as Cromwell, have a flaw which cause the 65155288Srink * nve(4) driver to fail attaching to the NIC. 66155288Srink * 67155288Srink * This is because they leave the NIC running; this will cause the 68155288Srink * Nvidia driver to fail as the NIC does not return any sensible 69155288Srink * values and thus fails attaching (using an error 0x5, this means 70155288Srink * it cannot find a valid PHY) 71155288Srink * 72155288Srink * We bluntly tell the NIC to stop whatever it's doing; this makes 73155288Srink * nve(4) attach correctly. As the NIC always resides at 74155288Srink * 0xfef00000-0xfef003ff on an XBOX, we simply hardcode this address. 75155288Srink */ 76155288Srink ptr = pmap_mapdev (0xfef00000, 0x400); 77155288Srink *(uint32_t*)(ptr + 0x188) = 0; /* clear adapter control field */ 78155288Srink pmap_unmapdev ((vm_offset_t)ptr, 0x400); 79152219Simp} 80152219Simp 81155288Srink/* 82155288Srink * This must be called before the drivers, as the if_nve(4) driver will fail 83155288Srink * if we do not do this in advance. 84155288Srink */ 85177253SrwatsonSYSINIT(xbox, SI_SUB_DRIVERS, SI_ORDER_FIRST, xbox_init, NULL); 86