X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFETSPI.py;h=0020ec2012b4b27a2334017af39796238ffc66f1;hp=5d42354c4f50bfc8567469b389a76ff63587f6b2;hb=6e4a1014e1ddfdf63dbf07fa3fdcaa1fdca99bab;hpb=e3e1bb605963def746b50f62277180e567d3b615 diff --git a/client/GoodFETSPI.py b/client/GoodFETSPI.py index 5d42354..0020ec2 100644 --- a/client/GoodFETSPI.py +++ b/client/GoodFETSPI.py @@ -30,7 +30,8 @@ class GoodFETSPIFlash(GoodFETSPI): 0xEF: "Winbond", 0xC2: "MXIC", 0x20: "Numonyx/ST", - 0x1F: "Atmel" + 0x1F: "Atmel", + 0x01: "AMD/Spansion" }; JEDECdevices={0xFFFFFF: "MISSING", @@ -62,6 +63,7 @@ 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]); @@ -79,30 +81,31 @@ 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];