pif.c
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/**************************************************************************
* *
* Copyright (C) 1995, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
*************************************************************************/
/*
* File: pif.c
* Creator: miya@sgi.com
* Create Date: Thr Jun 18 14:01:01 PDT 1996
* Purpose: PIf test
*
* XXXXX this only works when compiled with "-g", that is
* because nothing is declared volatile. Change to use the IO_READ
* and IO_WRITE macros
*/
#include <ultra64.h>
#include "pif.h"
#include "gng.h"
extern int controllerSlot, initControllers(void), __osContinitialized;
/**********************************************************************
$B%W%m%H%?%$%W@k8@(B $BDI2C(B:$BOBED(B
********************************************************************/
static int CheckTvType( void );
static void writeSi(OSMesgQueue *queue, uint *ramBuf)
/***** send write64byte-command to PIf *****/
{
osWritebackDCache( ramBuf, sizeof(SIBuffer));
osRecvMesg(queue, NULL, OS_MESG_NOBLOCK);
*(uint **)PHYS_TO_K1( SI_DRAM_ADDR_REG ) = ramBuf;
*(uint *)PHYS_TO_K1(SI_PIF_ADDR_WR64B_REG) = PIF_RAM_START;
osRecvMesg(queue, NULL, OS_MESG_BLOCK);
}
static void readSi(OSMesgQueue *queue, uint *ramBuf)
/***** send read64byte-command to PIf *****/
{
osRecvMesg(queue, NULL, OS_MESG_NOBLOCK);
*(uint **)PHYS_TO_K1(SI_DRAM_ADDR_REG) = ramBuf;
*(uint *)PHYS_TO_K1(SI_PIF_ADDR_RD64B_REG) = PIF_RAM_START;
osRecvMesg(queue, NULL, OS_MESG_BLOCK);
osInvalDCache( ramBuf, sizeof(SIBuffer));
}
static void performPifMacro(OSMesgQueue *queue, SIBuffer *siBuffer, int numOfCount,uint comm, uint data,uchar status)
{
int i;
uint *temp;
temp = (uint *)siBuffer;
for(i = 0 ; i < numOfCount*2 ; i += 2) {
*temp++ = comm;
*temp++ = data;
}
for( ; i < 15 ; i++)
*temp++ = 0;
*temp = (uint)status;
writeSi(queue,(uint *)siBuffer);
readSi(queue,(uint *)siBuffer);
}
static int pifCompare(SIBuffer *siBuffer, int numOfCount,uint comm, uint data,uchar status)
{
int error=0;
uint *temp;
int i;
temp = (uint *)siBuffer;
for(i = 0 ; i < numOfCount*2 ; i+=2) {
if( *temp++ != comm )
error++;
if( *temp++ != data )
error++;
}
for( ; i < 15 ; i++)
if( *temp++ != 0 )
error++;
if( *temp != (uint)status )
error++;
return(error);
}
static int bootromUnreadableCheck(void)
{
/*
when boot-program runs,BootRom is readable(It is natural).
after IPL3 is finish,it is unreadable untill ResetSwitch is pushed.
*/
int i,error=0,count=0;
uint *inst_ptr,*inst_end;
inst_ptr = (uint *)PHYS_TO_K1( PIF_ROM_START );
inst_end = (uint *)PHYS_TO_K1( PIF_ROM_END );
while( inst_ptr < inst_end )
if( *inst_ptr++ != 0 )
error++;
return( error );
}
static int siPifRamWrite(uint pattern,uint offset)
{
if( offset <= 16 )
pattern &= 0xfffffffc;
*(((uint *)PHYS_TO_K1(PIF_RAM_START)) + offset) = pattern;
while( *(u32 *)PHYS_TO_K1(SI_STATUS_REG) & SI_STATUS_RD_BUSY )
;
return(0);
}
static int siPifRamVerify(uint pattern,uint offset)
{
int error=0;
if( offset <= 16 )
pattern &= 0xfffffffc;
if(pattern != *(((uint *)PHYS_TO_K1(PIF_RAM_START)) + offset))
error = 1;
while( *(u32 *)PHYS_TO_K1(SI_STATUS_REG) & SI_STATUS_RD_BUSY )
;
return(error);
}
static int butterfly(void)
{
int i,error=0;
/* write */
for(i = 0 ; i < 8 ; i++) {
siPifRamWrite(0x55555555,i);
siPifRamWrite(0xaaaaaaaa,15-i);
}
/* verify */
for(i = 0 ; i < 8 ; i++) {
error += siPifRamVerify(0x55555555,7-i);
error += siPifRamVerify(0xaaaaaaaa,8+i);
}
/* write */
for(i = 0 ; i < 8 ; i++) {
siPifRamWrite(0x55555555,15-i);
siPifRamWrite(0xaaaaaaaa,i);
}
/* verify */
for(i = 0 ; i < 8 ; i++) {
error += siPifRamVerify(0x55555555,8+i);
error += siPifRamVerify(0xaaaaaaaa,7-i);
}
return(error);
}
static int marching(void)
{
int i,error=0;
for(i = 0; i < 16 ; i++)
siPifRamWrite(0,i);
for(i = 0; i < 16 ; i++) {
error += siPifRamVerify(0,i);
siPifRamWrite(0xffffffff,i);
error += siPifRamVerify(0xffffffff,i);
}
for(i = 15 ; i > 0 ; i--) {
error += siPifRamVerify(0xffffffff,i);
siPifRamWrite(0,i);
error += siPifRamVerify(0,i);
}
return(error);
}
static int walking(void)
{
int i,j,error=0;
uint walking_1s=0x01;
for(i = 0 ; i < 16 ; i++) {
for(j = 0 ; j < sizeof(uint); j++) {
siPifRamWrite(walking_1s, i);
error += siPifRamVerify(walking_1s,i);
walking_1s <<= 1;
}
}
walking_1s = 0xfffffffe;
for(i = 0 ; i < 16 ; i++) {
for(j = 0 ; j < sizeof(uint); j++) {
siPifRamWrite(walking_1s, i);
error += siPifRamVerify(walking_1s,i);
walking_1s <<= 1;
}
}
return(error);
}
static int kh(void)
{
int i,error=0;
/* set Patition 1,2 to 0x00000000 */
for(i = 1 ; i < 16 ; i += 2) {
siPifRamWrite(0, i);
i++;
if(i < 16)
siPifRamWrite(0, i);
}
/* set Patition 0 to 0xffffffff */
for(i = 0 ; i < 16 ; i += 3)
siPifRamWrite(0xffffffff, i);
/* verify Patition 1 is still 0*/
for(i = 1 ; i < 16 ; i += 3)
error += siPifRamVerify(0,i);
/* set Patition 1 is 0xffffffff */
for(i = 1 ; i < 16 ; i += 3)
siPifRamWrite(0xffffffff, i);
/* verify Patition 2 is still 0*/
for(i = 2 ; i < 16 ; i += 3)
error += siPifRamVerify(0,i);
/* verify Patition 0 is still 0*/
for(i = 0 ; i < 16 ; i += 3)
error += siPifRamVerify(0xffffffff,i);
/* verify Patition 1 is still 0*/
for(i = 1 ; i < 16 ; i += 3)
error += siPifRamVerify(0xffffffff,i);
/* Set Patition 0 to 0 */
for(i = 0 ; i < 16 ; i += 3)
siPifRamWrite(0, i);
/* verify Patition 0 is 0*/
for(i = 0 ; i < 16 ; i += 3)
error += siPifRamVerify(0,i);
/* set Patition 2 to 0xffffffff */
for(i = 2 ; i < 16 ; i += 3)
siPifRamWrite(0xffffffff, i);
/* verify Patition 2 is 0xffffffff */
for(i = 2 ; i < 16 ; i += 3)
error += siPifRamVerify(0xffffffff,i);
return(error);
}
static int siPifRamCompare64(OSMesgQueue *queue, SIBuffer *siBuffer, uint pattern)
{
int i,error=0;
uint *temp1,*temp2;
temp1 = temp2 = (uint *)siBuffer;
for(i = 0 ; i < 16 ; i++) {
if(i < 15)
*temp1++ = pattern;
else
*temp1++ = (pattern & 0xfffffffc);
}
writeSi(queue,temp2);
readSi(queue,temp2);
for(i = 0 ; i < 16 ; i++) {
if(i < 15) {
if( *temp2++ != pattern )
error++;
}
else {
if( *temp2++ != (pattern & 0xfffffffc) )
error++;
}
}
return(error);
}
#define NUM_MESSAGE 1
#define CONTROLLER_CONNECT_TIMEOUT -1
#define CONTROLLER_JOYSTICK_TIMEOUT -2
#define BITPATTERNS 5
static uchar dummy_buffer[PIF_RAM_SIZE+DMA_ALIGNMENT];
static uint bitpattern[BITPATTERNS]= { 0x00000000, 0xffffffff, 0x55555555,
0xaaaaaaaa,0xdeadbeef};
int pifCheck(void)
{
int i,result,timeout_count=0,error=0;
SIBuffer *siBuf;
#ifdef RMON_DEBUG
OSTime time_p,time_n,time;
unsigned int d_time;
#endif
siBuf = (SIBuffer *)( ((unsigned int)dummy_buffer & ~(0x07)) + 0x10 );
/* Initialize PIf Ram */
performPifMacro(&siMessageQ, siBuf,CONTROLLERS,0,0,FORMAT);
error += (result = pifCompare(siBuf,CONTROLLERS,0,0,0));
#ifdef RMON_DEBUG
if(result)
PRINTF("init failure\n");
else
PRINTF("init success\n");
#endif
#ifdef RMON_DEBUG
time_p = osGetTime();
#endif
/* 10 sec */
/* SI check */
for(i = 0 ; i < BITPATTERNS ; i++) {
error += (result = siPifRamCompare64(&siMessageQ, siBuf,bitpattern[i]));
}
error += (result = butterfly());
error += (result = marching());
error += (result = walking());
error += (result = kh());
#ifdef RMON_DEBUG
if(result)
PRINTF("kh failure = %d\n",result);
else
PRINTF("kh success = %d\n",result);
#endif
#ifdef RMON_DEBUG
time_n = osGetTime();
if(time_p < time_n)
time = time_n - time_p;
else
time = time_n + ~time_p + 1;
d_time = (unsigned int)(time / 45);
PRINTF("si check time = %lu micro sec\n",d_time);
PRINTF("si check time = %lu milli sec\n",d_time/1000);
if(result)
PRINTF("si check failure = %d\n",result);
else
PRINTF("si check success = %d\n",result);
#endif
#ifdef WITH_CONTROLLER
/* Now controllers are not connected */
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_NONCON_SEND, 0xffffffff, FORMAT);
error += (result = pifCompare(siBuf,CONTROLLERS, CONT_NONCON_RECV, 0xffffffff, 0));
#ifdef RMON_DEBUG
if(result)
PRINTF("Nonconn failure\n");
else
PRINTF("Nonconn success\n");
#endif
gng_report("connect controllers",0,1,120);
/* Make controllers connect */
while(1) {
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_NONCON_SEND, 0xffffffff, FORMAT);
if( (siBuf->ch1.comm | siBuf->ch2.comm) & NONCONNECTERR ) {
if( timeout_count++ > 0x0fffffff )
return(CONTROLLER_CONNECT_TIMEOUT);
}
else
break;
}
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_NORMAL_SEND, 0xffffffff, FORMAT);
error += (result = pifCompare(siBuf,CONTROLLERS, CONT_NORMAL_RECV, 0x00000000, 0));
#ifdef RMON_DEBUG
if(result)
PRINTF("Normal failure\n");
else
PRINTF("Normal success\n");
#endif
gng_report("Slant Joystick",0,1,120);
/* Keep joy-sticks slanting in any direction */
while(1) {
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_NORMAL_SEND, 0xffffffff, FORMAT);
if( (siBuf->ch1.data == 0) || (siBuf->ch2.data == 0) ) {
if( timeout_count++ > 0x7fffffff )
return(CONTROLLER_JOYSTICK_TIMEOUT);
}
else
break;
}
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_RESET_SEND, 0xffffffff, FORMAT);
gng_report("Release Joystick",0,1,120);
/* release joy-sticks */
while(1) {
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_NORMAL_SEND, 0xffffffff, FORMAT);
if( (siBuf->ch1.data == 0) || (siBuf->ch2.data == 0) ) {
if( timeout_count++ > 0x7fffffff )
return(CONTROLLER_JOYSTICK_TIMEOUT);
}
else
break;
}
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_RESET_SEND, 0xffffffff, FORMAT);
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_SENDERR_SEND, 0xffffffff, SEND_ERR | FORMAT);
error += (result = pifCompare(siBuf, CONTROLLERS, CONT_SENDERR_RECV, 0xffffffff, SEND_ERR));
#ifdef RMON_DEBUG
if(result)
PRINTF("CollisionErr failure\n");
else
PRINTF("CollisionErr success\n");
#endif
performPifMacro(&siMessageQ, siBuf, CONTROLLERS, CONT_RECVERR_SEND, 0xffffffff, RECV_ERR | FORMAT);
error += (result = pifCompare(siBuf, CONTROLLERS, CONT_RECVERR_RECV, 0xffffffff, RECV_ERR));
#ifdef RMON_DEBUG
if(result)
PRINTF("OverrunErr failure\n");
else
PRINTF("OverrunErr success\n");
#endif
#endif /* WITHOUT_CONTROLLER */
error += (result = bootromUnreadableCheck());
#ifdef RMON_DEBUG
if(result)
PRINTF("boot rom failure\n");
else
PRINTF("boot rom success\n");
#endif
performPifMacro(&siMessageQ, siBuf,CONTROLLERS,0,0,FORMAT);
if (!zaruexists) {
__osContinitialized = 0;
controllerSlot = initControllers();
}
/* sasano added */
error+=ZaruReadReg2(REG_TRAPPIF);
/****************/
/***************************************************************/
/* $B#T#V#T#Y#P#E$N8!::DI2C(B:$BOBED(B */
/***************************************************************/
error += CheckTvType();
return( error );
}
/**********************************************************************
$B#P#I#F$+$iFI$_=P$7$?%S%G%*J}<0$H8!::$9$Y$-4pHD$N%S%G%*J}<0$NHf3S(B
$BLaCM(B $B#0!'@5>o(B $B$=$NB>!'0[>o(B
$BDI2C(B:$BOBED(B
********************************************************************/
static int CheckTvType( void ){
/*************************************************/
/* $B%S%G%*J}<0$N9gCW$r8!::$9$k(B */
/* osTvType $B$O#O#S$,;HMQ$7$F$$$kJQ?t$G(B */
/* $B#N#T#S#C$N>l9g$K#0(B $B#P#A#L$N>l9g$K#1$rJV$7$^$9(B */
/*************************************************/
if( osTvType == (s32) ZaruReadReg( REG_TVTYPE ) ){
/* $B@5>o$@(B */
return 0;
}else{
/* $B0[>o$@(B */
return 1;
}
}