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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /* $Id: tree.c,v 1.3 1999/09/27 16:01:37 ralf Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * PROM component device tree code. * * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) * Copyright (C) 1999 Silicon Graphics, Inc. */ #include <linux/init.h> #include <asm/arc/types.h> #include <asm/sgialib.h> #undef DEBUG_PROM_TREE pcomponent * __init ArcGetPeer(pcomponent *Current) { if (Current == PROM_NULL_COMPONENT) return PROM_NULL_COMPONENT; return (pcomponent *) ARC_CALL1(next_component, Current); } pcomponent * __init ArcGetChild(pcomponent *Current) { return (pcomponent *) ARC_CALL1(child_component, Current); } pcomponent * __init ArcGetParent(pcomponent *Current) { if (Current == PROM_NULL_COMPONENT) return PROM_NULL_COMPONENT; return (pcomponent *) ARC_CALL1(parent_component, Current); } LONG __init ArcGetConfigurationData(VOID *Buffer, pcomponent *Current) { return ARC_CALL2(component_data, Buffer, Current); } pcomponent * __init ArcAddChild(pcomponent *Current, pcomponent *Template, VOID *ConfigurationData) { return (pcomponent *) ARC_CALL3(child_add, Current, Template, ConfigurationData); } LONG __init ArcDeleteComponent(pcomponent *ComponentToDelete) { return ARC_CALL1(comp_del, ComponentToDelete); } pcomponent * __init ArcGetComponent(CHAR *Path) { return (pcomponent *)ARC_CALL1(component_by_path, Path); } #ifdef DEBUG_PROM_TREE static char *classes[] = { "system", "processor", "cache", "adapter", "controller", "peripheral", "memory" }; static char *types[] = { "arc", "cpu", "fpu", "picache", "pdcache", "sicache", "sdcache", "sccache", "memdev", "eisa adapter", "tc adapter", "scsi adapter", "dti adapter", "multi-func adapter", "disk controller", "tp controller", "cdrom controller", "worm controller", "serial controller", "net controller", "display controller", "parallel controller", "pointer controller", "keyboard controller", "audio controller", "misc controller", "disk peripheral", "floppy peripheral", "tp peripheral", "modem peripheral", "monitor peripheral", "printer peripheral", "pointer peripheral", "keyboard peripheral", "terminal peripheral", "line peripheral", "net peripheral", "misc peripheral", "anonymous" }; static char *iflags[] = { "bogus", "read only", "removable", "console in", "console out", "input", "output" }; static void __init dump_component(pcomponent *p) { prom_printf("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>", p, classes[p->class], types[p->type], iflags[p->iflags], p->vers, p->rev); prom_printf("key<%08lx>\n\tamask<%08lx>cdsize<%d>ilen<%d>iname<%s>\n", p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname); } static void __init traverse(pcomponent *p, int op) { dump_component(p); if(ArcGetChild(p)) traverse(ArcGetChild(p), 1); if(ArcGetPeer(p) && op) traverse(ArcGetPeer(p), 1); } void __init prom_testtree(void) { pcomponent *p; p = ArcGetChild(PROM_NULL_COMPONENT); dump_component(p); p = ArcGetChild(p); while(p) { dump_component(p); p = ArcGetPeer(p); } prom_printf("press a key\n"); prom_getchar(); } #endif /* DEBUG_PROM_TREE */ |