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fixed flash file generator

master
wolfgang 2020-10-01 23:01:37 +02:00
parent bf59543d10
commit 4d69d31fc8
1 changed files with 15 additions and 21 deletions
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36
bit_to_flash.py
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@ -86,54 +86,48 @@ RUNTEST 32 TCK;
RUNTEST 2.00E-2 SEC;
// Enter SPI mode
SIR 8 TDI (3A);
SDR 16 TDI (68FE);
STATE IDLE;
RUNTEST 32 TCK;
RUNTEST 2.00E-2 SEC;
// SPI IO
// SPI IO (CMD 0xAB release Power Down???)
SDR 8 TDI (D5);
RUNTEST 2.00E-0 SEC;
// CONFIRM FLASH ID
!SDR 32 TDI (000000F9)
! TDO (68FFFFFF)
! MASK (FF000000);
!SDR 8 TDI(60);
!SDR 16 TDI(0080);
!RUNTEST 1.00E-0 SEC;
// CONFIRM FLASH ID (CMD 0x9f JEDEC Flash Id -> Size must be 0x16)
SDR 32 TDI (000000F9)
TDO (68FFFFFF)
MASK (FF000000);
// CMD 0x06 Write Enable + 0x01 Write 0x00 to Status Register
SDR 8 TDI(60);
SDR 16 TDI(0080);
RUNTEST 1.00E-0 SEC;
""", file=svf)
while True:
if((address // 0x10000) != last_page):
last_page = (address // 0x10000)
print("""SDR 8 TDI (60);
""", file=svf)
print(f"// CMD 0x06 Write Enable + 0xd8 Erase 64K at 0x{address:x}", file=svf)
print("SDR 8 TDI (60);", file=svf)
address_flipped = [bitreverse(x) for x in [0xd8,int(address // 0x10000),0x00,0x00]]
hex_address= ["{:02X}".format(x) for x in reversed(address_flipped)]
print("\n".join(textwrap.wrap("SDR {} TDI ({});".format(8*len(hex_address), "".join(hex_address)), 100)), file=svf)
print("""RUNTEST 3.00 SEC;
""", file=svf)
print("RUNTEST 3.00 SEC;\n", file=svf)
chunk = bitf.read(flash_page_size)
if not chunk:
break
# Convert chunk to bit-reversed hex
print(f"// CMD 0x06 Write Enable + 0x02 Write Chunk to 0x{address:x}", file=svf)
br_chunk = [bitreverse(x) for x in bytes([0x02, int(address / 0x10000 % 0x100),int(address / 0x100 % 0x100),int(address % 0x100)]) + chunk]
address += len(chunk)
hex_chunk = ["{:02X}".format(x) for x in reversed(br_chunk)]
print("""
SDR 8 TDI (60);
""", file=svf)
print("SDR 8 TDI (60);", file=svf)
print("\n".join(textwrap.wrap("SDR {} TDI ({});".format(8*len(br_chunk), "".join(hex_chunk)), 100)), file=svf)
print("""
RUNTEST 2.50E-2 SEC;
""", file=svf)
print("RUNTEST 2.50E-2 SEC;\n", file=svf)
print("""
// BYPASS