X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFETSPI.py;h=9c684b7c7fd14b1af7c96b830a29888385427162;hp=bd28019a0da971fd84eee219572243c85766bb2c;hb=426452e03b65bd972aa0d1df48af55e190ff1114;hpb=15750ecb20e3f348c419f0666452534c8b6a0b8e diff --git a/client/GoodFETSPI.py b/client/GoodFETSPI.py index bd28019..9c684b7 100644 --- a/client/GoodFETSPI.py +++ b/client/GoodFETSPI.py @@ -25,12 +25,28 @@ class GoodFETSPI(GoodFET): self.writecmd(0x01,0x00,len(data),data); return self.data; +class GoodFETSPI25C(GoodFETSPI): + #opcodes + WREN=0x06; + WRDI=0x04; + RDSR=0x05; + WRSR=0x01; + READ=0x03; + WRITE=0x02; + + def peek8(self,adr,memory="vn"): + """Read a byte from the given address.""" + data=self.SPItrans([self.READ,(adr>>8)&0xFF,adr&0xFF,0x00]); + return ord(data[3]); + + class GoodFETSPIFlash(GoodFETSPI): JEDECmanufacturers={0xFF: "MISSING", 0xEF: "Winbond", 0xC2: "MXIC", 0x20: "Numonyx/ST", - 0x1F: "Atmel" + 0x1F: "Atmel", + 0x01: "AMD/Spansion" }; JEDECdevices={0xFFFFFF: "MISSING", @@ -44,7 +60,9 @@ class GoodFETSPIFlash(GoodFETSPI): 0xC22015: "MX25L1605D", 0xC22014: "MX25L8005", 0xC22013: "MX25L4005", - 0x204011: "M45PE10" + 0x204011: "M45PE10", + 0x202014: "M25P80", + 0x1f4501: "AT24DF081", }; JEDECsizes={0x17: 0x800000, @@ -69,7 +87,10 @@ class GoodFETSPIFlash(GoodFETSPI): self.JEDECsize=self.JEDECsizes.get(self.JEDECcapacity); if self.JEDECsize==None: self.JEDECsize=0; - self.JEDECdevice=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]); + jedec=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]); + if jedec==0x1F4501: + self.JEDECsize=1024**2; + self.JEDECdevice=jedec; return data; def SPIpeek(self,adr): """Grab a byte from an SPI Flash ROM."""