diff options
Diffstat (limited to 'util/mainboard/google/hatch/kconfig.py')
| -rwxr-xr-x | util/mainboard/google/hatch/kconfig.py | 54 |
1 files changed, 6 insertions, 48 deletions
diff --git a/util/mainboard/google/hatch/kconfig.py b/util/mainboard/google/hatch/kconfig.py index 891714b53e..f55ceb21e7 100755 --- a/util/mainboard/google/hatch/kconfig.py +++ b/util/mainboard/google/hatch/kconfig.py @@ -3,22 +3,11 @@ To start a new variant of an existing baseboard, we need to add the variant into the Kconfig and Kconfig.name files for the -baseboard. In Kconfig, we have three sections that need additional -entries, GBB_HWID, MAINBOARD_PART_NUMBER, and VARIANT_DIR. - -In GBB_HWID, we need to add a HWID that includes a numeric suffix. -The numeric suffix is the CRC-32 of the all-caps ASCII name, -modulo 10000. -For example, if the board name is "Fizz", we calculate the CRC of -"FIZZ TEST", which is 0x598C492D. In decimal, the value is 1502365997, -modulo 10000 is 5997. So the HWID string is "FIZZ TEST 5997" -In the past, we have used an online CRC-32 calculator such as -https://www.lammertbies.nl/comm/info/crc-calculation.html, and then -used the calculator app to convert to decimal and take the last -4 digits. - -The MAINBOARD_PART_NUMBER and VARIANT_DIR are simpler, just using -various capitalizations of the variant name to create the strings. +baseboard. In Kconfig, we have two sections that need additional +entries, MAINBOARD_PART_NUMBER and VARIANT_DIR. + +The MAINBOARD_PART_NUMBER and VARIANT_DIR just use various +capitalizations of the variant name to create the strings. Kconfig.name adds an entire section for the new variant, and all of these use various capitalizations of the variant name. The strings @@ -38,7 +27,6 @@ GNU General Public License for more details. """ import argparse -import zlib def main(): @@ -52,26 +40,6 @@ def main(): add_to_Kconfig_name(args.name) -def get_gbb_hwid(variant_name): - """Create the GBB_HWID for a variant - - variant_name The name of the board variant, e.g. 'kohaku' - - Returns: - GBB_HWID string for the board variant, e.g. 'KOHAKU TEST 1953' - - Note that the case of the variant name does not matter; it gets - converted to all uppercase as part of this function.""" - hwid = variant_name + ' test' - upperhwid = hwid.upper() - # Force conversion to unsigned by bitwise AND with (2^32)-1. - # See the docs for crc32 at https://docs.python.org/3/library/zlib.html - # for why '& 0xffffffff' is necessary. - crc = zlib.crc32(upperhwid.encode('UTF-8')) & 0xffffffff - gbb_hwid = upperhwid + ' ' + str(crc % 10000).zfill(4) - return gbb_hwid - - def add_to_Kconfig(variant_name): """Add options for the variant to the Kconfig @@ -84,12 +52,10 @@ def add_to_Kconfig(variant_name): variant_name The name of the board variant, e.g. 'kohaku'""" # These are the part of the strings that we'll add to the sections BOARD = 'BOARD_GOOGLE_' + variant_name.upper() - gbb_hwid = get_gbb_hwid(variant_name) lowercase = variant_name.lower() capitalized = lowercase.capitalize() # These flags track whether we're in a section where we need to add an option - in_gbb_hwid = False in_mainboard_part_number = False in_variant_dir = False @@ -101,8 +67,6 @@ def add_to_Kconfig(variant_name): line = rawline.rstrip('\r\n') # Are we in one of the sections of interest? - if line == 'config GBB_HWID': - in_gbb_hwid = True if line == 'config MAINBOARD_PART_NUMBER': in_mainboard_part_number = True if line == 'config VARIANT_DIR': @@ -111,9 +75,6 @@ def add_to_Kconfig(variant_name): # Are we at the end of a section, and if so, is it one of the # sections of interest? if line == '': - if in_gbb_hwid: - print('\tdefault "' + gbb_hwid + '" if ' + BOARD, file=outfile) - in_gbb_hwid = False if in_mainboard_part_number: print('\tdefault "' + capitalized + '" if ' + BOARD, file=outfile) in_mainboard_part_number = False @@ -130,12 +91,9 @@ def add_to_Kconfig_name(variant_name): Kconfig.name is easier to modify than Kconfig; it only has a block at the end with the new variant's details. - config BOARD_GOOGLE_${VARIANT} - variant_name The name of the board variant, e.g. 'kohaku'""" # Board name for the config section uppercase = variant_name.upper() - BOARD = 'BOARD_GOOGLE_' + uppercase capitalized = variant_name.lower().capitalize() inputname = 'Kconfig.name' @@ -148,7 +106,7 @@ def add_to_Kconfig_name(variant_name): print(line, file=outfile) # Now add the new section - print('\nconfig ' + BOARD, file=outfile) + print('\nconfig ' + 'BOARD_GOOGLE_' + uppercase, file=outfile) print('\tbool "-> ' + capitalized + '"', file=outfile) print('\tselect BOARD_GOOGLE_BASEBOARD_HATCH', file=outfile) print('\tselect BOARD_ROMSIZE_KB_16384', file=outfile) |