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Add 39SF020 and 39SF010 to flashrom programmer

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sanni 2024-09-20 16:38:00 +02:00
parent 4f427c0ce4
commit fb87a0aa44
1 changed files with 31 additions and 2 deletions
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33
Cart_Reader/FLASH.ino
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@ -694,6 +694,14 @@ idtheflash:
println_Msg(F("39F040 detected"));
flashSize = 524288;
flashromType = 1;
} else if (flashid == 0xBFB6) {
println_Msg(F("39F020 detected"));
flashSize = 262144;
flashromType = 1;
} else if (flashid == 0xBFB5) {
println_Msg(F("39F010 detected"));
flashSize = 131072;
flashromType = 1;
} else if (secondID == 1) {
// Read ID a second time using a different command (type 1 flashrom)
resetFlash8();
@ -706,6 +714,10 @@ idtheflash:
// Read ID a third time using a different command (type 2 flashrom)
resetFlash8();
idFlash29F1610();
secondID = 3;
goto idtheflash;
} else if (secondID == 3) {
idFlash39SF040();
secondID = 0;
goto idtheflash;
} else {
@ -1476,7 +1488,7 @@ bool openVerifyFlashFile() {
Command functions
*****************************************/
void writeByteCommand_Flash(byte command) {
if (mapping == 3) {
if ((flashid == 0xBFB7) || (flashid == 0xBFB6) || (flashid == 0xBFB5)) {
//39F040
writeByte_Flash(0x5555, 0xaa);
writeByte_Flash(0x2aaa, 0x55);
@ -1501,7 +1513,7 @@ void writeWordCommand_Flash(byte command) {
}
/******************************************
29F032 flashrom functions
29F032/39SF040 flashrom functions
*****************************************/
void resetFlash29F032() {
// Set data pins to output
@ -1516,6 +1528,23 @@ void resetFlash29F032() {
delay(500);
}
void idFlash39SF040() {
// Set data pins to output
dataOut();
writeByte_Flash(0x5555, 0xaa);
writeByte_Flash(0x2aaa, 0x55);
writeByte_Flash(0x5555, 0x90);
// Set data pins to input again
dataIn8();
// Read the two id bytes into a string
flashid = readByte_Flash(0) << 8;
flashid |= readByte_Flash(1);
sprintf(flashid_str, "%04X", flashid);
}
void idFlash29F032() {
// Set data pins to output
dataOut();