?? fpga_isr.c
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//
// Copyright(C) Renesas Technology Corp. 2003-2005. All rights reserved.
//
// NK Kernel for ITS-DS7 Ver.1.0.0
//
// FILE : fpga_isr.c
// CREATED : 2003.06.20
// MODIFIED : 2005.02.03
// AUTHOR : Renesas Technology Corp.
// HARDWARE : RENESAS ITS-DS7
// HISTORY :
// 2003.06.20
// - Created release code.
// 2004.02.06
// - Added PCMCIA.
// 2004.09.01
// - Created release code for WCE5.0.
// 2005.02.03
// - Supported PCCARD driver.
#include <windows.h>
#include <platform.h>
#include <sh7770.h>
#include <oalintr.h>
#include <drv_glob.h>
#define pDriverGlobals ((PDRIVER_GLOBALS) DRIVER_GLOBALS_PHYSICAL_MEMORY_START)
#define MR_SHPC_INTR_0 (PCMCIA0_REG_BASE + MR_SHPC_INTR_OFFSET)
#define MR_SHPC_INTR_1 (PCMCIA1_REG_BASE + MR_SHPC_INTR_OFFSET)
#pragma optimize("", off)
//
// FPGA ISR
//
int fpga_isr(
void
)
{
ULONG reg = 0;
ULONG mask = 0;
USHORT pcmcia_intr;
#ifdef DEBUG
/*
char string[8];
static int i = 0;
*/
/*
string[0] = 'F';
string[1] = 'P';
string[2] = 'G';
string[3] = 'A';
string[4] = '0' + (i % 1000) / 100;
string[5] = '0' + (i % 100) / 10;
string[6] = '0' + (i % 10);
string[7] = '\0';
PrintLED(string);
if( ++i > 1000 ) i = 0;
*/
#endif
// IRQ0 Interrupts Request Clear
WRITE_REGISTER_ULONG(INTC_INTREQ, READ_REGISTER_ULONG(INTC_INTREQ) & ~INTC_INTREQ_IRQ0);
reg = READ_REGISTER_ULONG(INTC_INTREQ); // Coherency measures
// Get IRQ0 Status Register
reg = READ_REGISTER_USHORT(SF_IRQ0SR);
mask = READ_REGISTER_USHORT(SF_IRQ0MR);
#ifdef DEBUG
/*
string[0] = '0'+(UCHAR)((reg>>6) & 1); //PCC1
string[1] = '0'+(UCHAR)((reg>>5) & 1); //PCC0
string[2] = '0'+(UCHAR)((reg>>4) & 1); //LAN
string[3] = '0'+(UCHAR)((reg>>3) & 1); //200EX
string[4] = '0'+(UCHAR)((reg>>2) & 1); //SLOT2
string[5] = '0'+(UCHAR)((reg>>1) & 1); //SLOT1
string[6] = '0'+(UCHAR)((reg) & 1); //SLOT0
string[7] = '\0';
PrintLED(string);
*/
#endif
// Ethernet Interrupts
if( reg & (~mask) & SF_IRQ0SR_LAN ){
#ifdef DEBUG
// Output to LED (IRQ0SR:b6-b0)
/*
string[0] = '0'+(UCHAR)((reg>>6) & 1);
string[1] = '0'+(UCHAR)((reg>>5) & 1);
string[2] = '0'+(UCHAR)((reg>>4) & 1);
string[3] = '0'+(UCHAR)((reg>>3) & 1);
string[4] = '0'+(UCHAR)((reg>>2) & 1);
string[5] = '0'+(UCHAR)((reg>>1) & 1);
string[6] = '0'+(UCHAR)((reg) & 1);
string[7] = '\0';
PrintLED(string);
*/
#endif
// WRITE_REGISTER_ULONG(INTC_INTMSK0, INTC_INTMSK0_IM00); // IRQ0 Interrupts mask
// WRITE_REGISTER_ULONG(SF_IRQ0MR, READ_REGISTER_ULONG(SF_IRQ0MR) | SF_IRQ0MR_LAN); // IRQ0 Interrupts mask (FPGA:LAN)
WRITE_REGISTER_USHORT(SF_IRQ0MR, READ_REGISTER_USHORT(SF_IRQ0MR) | SF_IRQ0MR_LAN); // IRQ0 Interrupts mask (FPGA:LAN)
// RETAILMSG(1, (TEXT("fpga_isr:SYSINTR_ETHER.\r\n")));
return SYSINTR_ETHER;
}
// PCMCIA Interrupts
else if(reg & (~mask) & SF_IRQ0SR_PCC0){
//Mask PCMCIA0 interrupts (FPGA register)
WRITE_REGISTER_USHORT(SF_IRQ0MR, READ_REGISTER_USHORT(SF_IRQ0MR) | SF_IRQ0MR_PCC0); // IRQ0 Interrupts mask (FPGA:PCC0)
pcmcia_intr = READ_REGISTER_USHORT(MR_SHPC_INTR_0);
pDriverGlobals->pcm.slot0Enable = pcmcia_intr;
if (pcmcia_intr & MR_SHPC_INTR_CARD_DETECT){
#ifdef DEBUG
PrintLED("-DETECT-");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_CARD_DETECT;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_STSCHG){
#ifdef DEBUG
PrintLED("-STSCHG-");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_STSCHG;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_IREQ_CHG){
#ifdef DEBUG
PrintLED("IREQ_CHG");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_IREQ_CHG;
return SYSINTR_PCMCIA_LEVEL;
}
else if(pcmcia_intr & MR_SHPC_INTR_CARD_PWR){
#ifdef DEBUG
PrintLED("CARD_PWR");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_CARD_PWR;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_RDY_CHG){
#ifdef DEBUG
PrintLED("RDY_CHG");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_RDY_CHG;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_BAT_WARN){
#ifdef DEBUG
PrintLED("BAT_WARN");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_BAT_WARN;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_BAT_DEAD){
#ifdef DEBUG
PrintLED("BAT_DEAD");
#endif
// pDriverGlobals->pcm.slot0Enable &=~ MR_SHPC_INTR_BAT_DEAD;
return SYSINTR_PCMCIA_STATE;
}
else{
#ifndef DEBUG
PrintLED("-pcmcia-");
#endif
WRITE_REGISTER_USHORT(SF_IRQ0MR, READ_REGISTER_USHORT(SF_IRQ0MR) & ~SF_IRQ0MR_PCC0); // IRQ0 Interrupts mask (FPGA:PCC0)
return SYSINTR_NOP;
}
}
else if(reg & (~mask) & SF_IRQ0SR_PCC1){
WRITE_REGISTER_USHORT(SF_IRQ0MR, READ_REGISTER_USHORT(SF_IRQ0MR) | SF_IRQ0MR_PCC1); // IRQ0 Interrupts mask (FPGA:PCC1)
pcmcia_intr = READ_REGISTER_USHORT(MR_SHPC_INTR_1);
pDriverGlobals->pcm.slot1Enable = pcmcia_intr;
if (pcmcia_intr & MR_SHPC_INTR_CARD_DETECT){
#ifdef DEBUG
PrintLED("-DETECT-");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_CARD_DETECT;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_STSCHG){
#ifdef DEBUG
PrintLED("-STSCHG-");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_STSCHG;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_IREQ_CHG){
#ifdef DEBUG
PrintLED("IREQ_CHG");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_IREQ_CHG;
return SYSINTR_PCMCIA_LEVEL_1;
}
else if(pcmcia_intr & MR_SHPC_INTR_CARD_PWR){
#ifdef DEBUG
PrintLED("CARD_PWR");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_CARD_PWR;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_RDY_CHG){
#ifdef DEBUG
PrintLED("RDY_CHG");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_RDY_CHG;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_BAT_WARN){
#ifdef DEBUG
PrintLED("BAT_WARN");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_BAT_WARN;
return SYSINTR_PCMCIA_STATE;
}
else if(pcmcia_intr & MR_SHPC_INTR_BAT_DEAD){
#ifdef DEBUG
PrintLED("BAT_DEAD");
#endif
// pDriverGlobals->pcm.slot1Enable &=~ MR_SHPC_INTR_BAT_DEAD;
return SYSINTR_PCMCIA_STATE;
}
else{
#ifndef DEBUG
PrintLED("-pcmcia-");
#endif
WRITE_REGISTER_USHORT(SF_IRQ0MR, READ_REGISTER_USHORT(SF_IRQ0MR) & ~SF_IRQ0MR_PCC1); // IRQ0 Interrupts mask (FPGA:PCC1)
return SYSINTR_NOP;
}
}
else{
#ifdef DEBUG
/*
string[0] = '0';
string[1] = '0';
string[2] = '0' + (i / 10000);
string[3] = '0' + (i % 10000) / 1000;
string[4] = '0' + (i % 1000) / 100;
string[5] = '0' + (i % 100) / 10;
string[6] = '0' + (i % 10);
string[7] = '\0';
PrintLED(string);
if( ++i > 100000 ) i = 0;
*/
#endif
return SYSINTR_NOP;
}
}
#pragma optimize("", on)
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