X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFETSPI.py;h=bd28019a0da971fd84eee219572243c85766bb2c;hp=e0a6126d614fc3d92ae70d12b1bc8705954bd309;hb=cdc69563892a4e2e085e5d1654b3b397e0e7ec2e;hpb=aa39840460c7b1c557beb82f3154cb38978d9607 diff --git a/client/GoodFETSPI.py b/client/GoodFETSPI.py index e0a6126..bd28019 100644 --- a/client/GoodFETSPI.py +++ b/client/GoodFETSPI.py @@ -29,7 +29,8 @@ class GoodFETSPIFlash(GoodFETSPI): JEDECmanufacturers={0xFF: "MISSING", 0xEF: "Winbond", 0xC2: "MXIC", - 0x20: "Numonyx/ST" + 0x20: "Numonyx/ST", + 0x1F: "Atmel" }; JEDECdevices={0xFFFFFF: "MISSING", @@ -61,6 +62,7 @@ class GoodFETSPIFlash(GoodFETSPI): """Grab an SPI Flash ROM's JEDEC bytes.""" data=[0x9f, 0, 0, 0]; data=self.SPItrans(data); + self.JEDECmanufacturer=ord(data[1]); self.JEDECtype=ord(data[2]); self.JEDECcapacity=ord(data[3]); @@ -78,30 +80,31 @@ class GoodFETSPIFlash(GoodFETSPI): 0]; self.SPItrans(data); return ord(self.data[4]); - def SPIpeekblock(self,adr,blocks=1): + def SPIpeekblock(self,adr): """Grab a few block from an SPI Flash ROM. Block size is unknown""" data=[(adr&0xFF0000)>>16, (adr&0xFF00)>>8, - adr&0xFF, - blocks]; + adr&0xFF]; - self.writecmd(0x01,0x02,4,data,blocks); + self.writecmd(0x01,0x02,3,data); return self.data; def SPIpokebyte(self,adr,val): self.SPIpokebytes(adr,[val]); def SPIpokebytes(self,adr,data): - #self.SPIwriteenable(); - adranddata=[(adr&0xFF0000)>>16, - (adr&0xFF00)>>8, - adr&0xFF - ]+data; + #Used to be 24 bits, BE, not 32 bits, LE. + adranddata=[adr&0xFF, + (adr&0xFF00)>>8, + (adr&0xFF0000)>>16, + 0, #MSB + ]+data; + #print "%06x: poking %i bytes" % (adr,len(data)); self.writecmd(0x01,0x03, len(adranddata),adranddata); def SPIchiperase(self): """Mass erase an SPI Flash ROM.""" - self.writecmd(0x01,0x81,0,[]); + self.writecmd(0x01,0x81); def SPIwriteenable(self): """SPI Flash Write Enable""" data=[0x06];