X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFETSPI.py;h=b071d50abf91b0e3c3cfda17a75f91db98763b80;hp=cab2a371fd2a7c05adeba87de8f53fbe3912c27f;hb=HEAD;hpb=a84301b1952e524c5ebc4731cddc6b0ec406a9a8 diff --git a/client/GoodFETSPI.py b/client/GoodFETSPI.py index cab2a37..b071d50 100644 --- a/client/GoodFETSPI.py +++ b/client/GoodFETSPI.py @@ -5,11 +5,12 @@ # # This code is being rewritten and refactored. You've been warned! -import sys, time, string, cStringIO, struct, glob, serial, os; +import sys, time, string, cStringIO, struct, glob, os; from GoodFET import GoodFET; class GoodFETSPI(GoodFET): + APP=0x01; def SPIsetup(self): """Move the FET into the SPI application.""" self.writecmd(0x01,0x10,0,self.data); #SPI/SETUP @@ -34,7 +35,7 @@ class GoodFETSPI25C(GoodFETSPI): READ=0x03; WRITE=0x02; - def peek8(self,adr): + 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]); @@ -60,7 +61,9 @@ class GoodFETSPIFlash(GoodFETSPI): 0xC22015: "MX25L1605D", 0xC22014: "MX25L8005", 0xC22013: "MX25L4005", - 0x204011: "M45PE10" + 0x204011: "M45PE10", + 0x202014: "M25P80", + 0x1f4501: "AT24DF081", }; JEDECsizes={0x17: 0x800000, @@ -75,17 +78,27 @@ class GoodFETSPIFlash(GoodFETSPI): JEDECsize=0; def SPIjedec(self): - """Grab an SPI Flash ROM's JEDEC bytes.""" + """Grab an SPI Flash ROM's JEDEC bytes. Some chips don't implement + this, such as Numonyx M25P* except in the 110nm processed.""" data=[0x9f, 0, 0, 0]; data=self.SPItrans(data); - + jedec=0; self.JEDECmanufacturer=ord(data[1]); - self.JEDECtype=ord(data[2]); - self.JEDECcapacity=ord(data[3]); + if self.JEDECmanufacturer==0xFF: + self.JEDECtype=0x20; + self.JEDECcapacity=0x14; + jedec=0x202014; + else: + self.JEDECtype=ord(data[2]); + self.JEDECcapacity=ord(data[3]); + jedec=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]); 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]); + + if jedec==0x1F4501: + self.JEDECsize=1024**2; + self.JEDECdevice=jedec; return data; def SPIpeek(self,adr): """Grab a byte from an SPI Flash ROM."""