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afterburner
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Add verify support to GAL6001/GAL6002

This commit is contained in:
rhgndf 2023-09-28 18:23:17 +08:00
parent f0c572bc33
commit bb8f67fe74
1 changed files with 105 additions and 5 deletions
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110
afterburner.ino
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@ -1039,9 +1039,7 @@ static void strobeRow(char row, char setBit = BIT_NONE)
sendBit(1);
sendAddress(7, row);
sendBits(16, 0);
setSTB(0);
setSTB(1); // pulse /STB
setSDIN(0); // SDIN low
strobe(2); // pulse /STB for 2ms
break;
}
}
@ -1419,8 +1417,9 @@ static void readGalFuseMap600(const unsigned char* cfgArray) {
// CFG
setRow(galinfo[gal].cfgrow);
strobe(2);
addr = galinfo[gal].cfgbase;
for (bit = 0; bit < galinfo[gal].cfgbits; bit++)
setFuseBitVal(cfgArray[bit], receiveBit());
setFuseBitVal(addr + cfgArray[bit], receiveBit());
}
// generic fuse-map verification, fuse map bits are compared against read bits
@ -1543,6 +1542,107 @@ static unsigned short verifyGalFuseMap(const unsigned char* cfgArray, char useDe
}
static unsigned short verifyGalFuseMap600(const unsigned char* cfgArray) {
unsigned short row, bit;
unsigned short addr;
char fuseBit; // fuse bit received from GAL
char mapBit; // fuse bit stored in RAM
unsigned short errors = 0;
for (row = 0; row < 78; row++)
{
strobeRow(row);
discardBits(20);
for (bit = 0; bit < 11; bit++) {
mapBit = getFuseBit(7296 + 78 * bit + row);
fuseBit = receiveBit();
if (mapBit != fuseBit) {
#ifdef DEBUG_VERIFY
Serial.print(F("f a="));
Serial.println(7296 + 78 * bit + row, DEC);
#endif
errors++;
}
}
for (bit = 0; bit < 64; bit++) {
mapBit = getFuseBit(114 * bit + row);
fuseBit = receiveBit();
if (mapBit != fuseBit) {
#ifdef DEBUG_VERIFY
Serial.print(F("f a="));
Serial.println(114 * bit + row, DEC);
#endif
errors++;
}
}
discardBits(24);
}
for (row = 0; row < 64; row++)
{
sendBits(31, 0);
for (bit = 0; bit < 64; bit++)
sendBit(bit != row);
sendBits(24, 0);
setSDIN(0);
strobe(2);
for (bit = 0; bit < 20; bit++) {
mapBit = getFuseBit(78 + 114 * row + bit);
fuseBit = receiveBit();
if (mapBit != fuseBit) {
#ifdef DEBUG_VERIFY
Serial.print(F("f a="));
Serial.println(78 + 114 * row + bit, DEC);
#endif
errors++;
}
}
discardBits(83);
for (bit = 0; bit < 16; bit++) {
mapBit = getFuseBit(98 + 114 * row + bit);
fuseBit = receiveBit();
if (mapBit != fuseBit) {
#ifdef DEBUG_VERIFY
Serial.print(F("f a="));
Serial.println(98 + 114 * row + bit, DEC);
#endif
errors++;
}
}
}
// UES
strobeRow(galinfo[gal].uesrow);
discardBits(20);
addr = galinfo[gal].uesfuse;
for (bit = 0; bit < 72; bit++) {
mapBit = getFuseBit(addr + bit);
fuseBit = receiveBit();
if (mapBit != fuseBit) {
#ifdef DEBUG_VERIFY
Serial.print(F("f a="));
Serial.println(addr + bit, DEC);
#endif
errors++;
}
}
// CFG
setRow(galinfo[gal].cfgrow);
strobe(2);
addr = galinfo[gal].cfgbase;
for (bit = 0; bit < galinfo[gal].cfgbits; bit++) {
mapBit = getFuseBit(addr + cfgArray[bit]);
fuseBit = receiveBit();
if (mapBit != fuseBit) {
#ifdef DEBUG_VERIFY
Serial.print(F("f a="));
Serial.println(addr + cfgArray[bit], DEC);
#endif
errors++;
}
}
return errors;
}
// main fuse-map reading and verification function
// READING: reads fuse rows, UES, CFG from GAL and stores into fusemap bit array RAM.
// VERIFY: reads fuse rows, UES, CFG from GAL and compares with fusemap bit array in RAM.
@ -1589,7 +1689,7 @@ static void readOrVerifyGal(char verify)
cfgArray = (gal == GAL6001) ? (unsigned char*) cfg6001 : (unsigned char*) cfg6002;
//read without delay, no discard
if (verify) {
i = verifyGalFuseMap(cfgArray, 0, 0);
i = verifyGalFuseMap600(cfgArray);
} else {
readGalFuseMap600(cfgArray);
}