128 lines
3.1 KiB
C
Executable File
128 lines
3.1 KiB
C
Executable File
/*
|
|
* 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 (davem@davemloft.net)
|
|
* Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
|
|
* Copyright (C) 1999 Silicon Graphics, Inc.
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <asm/fw/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)
|
|
{
|
|
printk("[%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);
|
|
printk("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);
|
|
}
|
|
}
|
|
|
|
#endif /* DEBUG_PROM_TREE */
|