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/*
* Copyright (C) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <arch/drivers/arc.h>
#include <arch/mm/page.h>
#include <print.h>
#include <arch.h>
#include <arch/byteorder.h>
/* This is a good joke, SGI HAS different types than NT bioses... */
/* Here is the SGI type */
static char *basetypes[] = {
"ExceptionBlock",
"SystemParameterBlock",
"FreeContiguous",
"FreeMemory",
"BadMemory",
"LoadedProgram",
"FirmwareTemporary",
"FirmwarePermanent"
};
static char *ctypes[] = {
"ARC_type",
"CPU_type",
"FPU_type",
"PrimaryICache",
"PrimaryDCache",
"SecondaryICache",
"SecondaryDCache",
"SecondaryCache",
"Memory",
"EISAAdapter",
"TCAdapter",
"SCSIAdapter",
"DTIAdapter",
"MultiFunctionAdapter",
"DiskController",
"TapeController",
"CDROMController",
"WORMController",
"SerialController",
"NetworkController",
"DisplayController",
"ParallelController",
"PointerController",
"KeyboardController",
"AudioController",
"OtherController",
"DiskPeripheral",
"FloppyDiskPeripheral",
"TapePeripheral",
"ModemPeripheral",
"MonitorPeripheral",
"PrinterPeripheral",
"PointerPeripheral",
"KeyboardPeripheral",
"TerminalPeripheral",
"OtherPeripheral",
"LinePeripheral",
"NetworkPeripheral"
"OtherPeripheral",
"XTalkAdapter",
"PCIAdapter",
"GIOAdapter",
"TPUAdapter",
"Anonymous"
};
static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000);
static arc_func_vector_t *arc_entry;
static void _arc_putchar(char ch);
/** Initialize ARC structure
*
* @return 0 - ARC OK, -1 - ARC does not exist
*/
int init_arc(void)
{
if (sbp->signature != ARC_MAGIC) {
sbp = NULL;
return -1;
}
arc_entry = sbp->firmwarevector;
arc_putchar('A');
arc_putchar('R');
arc_putchar('C');
arc_putchar('\n');
}
/** Return true if ARC is available */
int arc_enabled(void)
{
return sbp != NULL;
}
static void arc_print_component(arc_component *c)
{
int i;
printf("%s: ",ctypes[c->type]);
for (i=0;i < c->identifier_len;i++)
putchar(c->identifier[i]);
putchar('\n');
}
void arc_print_devices(void)
{
arc_component *c,*next;
if (!arc_enabled())
return;
c = arc_entry->getchild(NULL);
while (c) {
arc_print_component(c);
next = arc_entry->getchild(c);
while (!next) {
next = arc_entry->getpeer(c);
if (!next)
c = arc_entry->getparent(c);
if (!c)
return;
}
c = next;
}
}
void arc_print_memory_map(void)
{
arc_memdescriptor_t *desc;
if (!arc_enabled())
return;
printf("Memory map:\n");
desc = arc_entry->getmemorydescriptor(NULL);
while (desc) {
printf("%s: %d (size: %dKB)\n",basetypes[desc->type],
desc->basepage * 4096,
desc->basecount*4);
desc = arc_entry->getmemorydescriptor(desc);
}
}
/** Print charactor to console */
void arc_putchar(char ch)
{
__u32 cnt;
ipl_t ipl;
/* TODO: Should be spinlock? */
ipl = interrupts_disable();
arc_entry->write(1, &ch, 1, &cnt);
interrupts_restore(ipl);
}