diff options
Diffstat (limited to 'scripts/flash-ar100.py')
| -rwxr-xr-x | scripts/flash-ar100.py | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/scripts/flash-ar100.py b/scripts/flash-ar100.py index 33198e23..0896ae07 100755 --- a/scripts/flash-ar100.py +++ b/scripts/flash-ar100.py @@ -21,11 +21,11 @@ R_CPU_CFG_SIZE = R_CPU_CFG_PAGE_LIMIT - R_CPU_CFG_PAGE_BASE R_CPU_CFG_OFFSET = 0xC00 R_CPU_CLK_OFFSET = 0x400 -parser = argparse.ArgumentParser(description='Flash and reset SRAM A2 of A64') -parser.add_argument('filename', nargs='?', help='binary file to write') -parser.add_argument('--reset', action='store_true', help='reset the AR100') -parser.add_argument('--halt', action='store_true', help='Halt the AR100') -parser.add_argument('--bl31', action='store_true', help='write bl31') +parser = argparse.ArgumentParser(description="Flash and reset SRAM A2 of A64") +parser.add_argument("filename", nargs="?", help="binary file to write") +parser.add_argument("--reset", action="store_true", help="reset the AR100") +parser.add_argument("--halt", action="store_true", help="Halt the AR100") +parser.add_argument("--bl31", action="store_true", help="write bl31") args = parser.parse_args() @@ -33,21 +33,20 @@ args = parser.parse_args() def write_exception_vectors(): print("Writing exception vectors") with open("/dev/mem", "w+b") as f: - exc = mmap.mmap(f.fileno(), - length=EXCEPTIONS_SIZE, - offset=EXCEPTIONS_BASE) + exc = mmap.mmap(f.fileno(), length=EXCEPTIONS_SIZE, offset=EXCEPTIONS_BASE) for i in range(NR_OF_EXCEPTIONS): add = i * 0x100 - exc[add:add + 4] = ((EXCEPTIONS_JUMP - add) >> 2).to_bytes( - 4, byteorder='little') + exc[add : add + 4] = ((EXCEPTIONS_JUMP - add) >> 2).to_bytes( + 4, byteorder="little" + ) exc.close() def assert_deassert_reset(ass): with open("/dev/mem", "w+b") as f: - r_cpucfg = mmap.mmap(f.fileno(), - length=R_CPU_CFG_SIZE, - offset=R_CPU_CFG_PAGE_BASE) + r_cpucfg = mmap.mmap( + f.fileno(), length=R_CPU_CFG_SIZE, offset=R_CPU_CFG_PAGE_BASE + ) if ass: r_cpucfg[R_CPU_CFG_OFFSET] &= ~0x01 if r_cpucfg[R_CPU_CFG_OFFSET] & 0x01: @@ -68,7 +67,7 @@ def write_file(filename): print("Writing file to SRAM A2") with open("/dev/mem", "w+b") as f: sram_a2 = mmap.mmap(f.fileno(), length=FW_SIZE, offset=FW_BASE) - sram_a2[0:len(data)] = data + sram_a2[0 : len(data)] = data sram_a2.close() |