diff options
Diffstat (limited to 'util')
| -rwxr-xr-x | util/apcb/apcb_v3_edit.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/util/apcb/apcb_v3_edit.py b/util/apcb/apcb_v3_edit.py index 9a70bace3e..140b23238c 100755 --- a/util/apcb/apcb_v3_edit.py +++ b/util/apcb/apcb_v3_edit.py @@ -14,8 +14,10 @@ import os # Byte 0 = 0x23 = 512 bytes total / 384 bytes used # Byte 1 = 0x11 = Revision 1.1 # Byte 2 = 0x11 = LPDDR4X SDRAM +# = 0x13 = LP5 SDRAM # Byte 3 = 0x0E = Non-DIMM Solution -SPD_MAGIC = bytes.fromhex('2311110E') +LP4_SPD_MAGIC = bytes.fromhex('2311110E') +LP5_SPD_MAGIC = bytes.fromhex('2311130E') EMPTY_SPD = b'\x00' * 512 spd_ssp_struct_fmt = '??B?IIBBBxIIBBBx' @@ -47,6 +49,11 @@ def parseargs(): '--spd_sources', nargs='+', help='List of SPD sources') + parser.add_argument( + '--mem_type', + type=str, + default='lp4', + help='Memory type [lp4|lp5]. Default = lp4') return parser.parse_args() @@ -62,6 +69,8 @@ def inject(orig, insert, offset): def main(): + spd_magic = LP4_SPD_MAGIC + args = parseargs() print(f'Reading input APCB from {args.apcb_in}') @@ -75,6 +84,9 @@ def main(): print(f'Using SPD Sources = {args.spd_sources}') + if args.mem_type == 'lp5': + spd_magic = LP5_SPD_MAGIC + spds = [] for spd_source in args.spd_sources: with open(spd_source, 'rb') as f: @@ -85,7 +97,7 @@ def main(): spd_offset = 0 instance = 0 while True: - spd_offset = apcb.find(SPD_MAGIC, spd_offset) + spd_offset = apcb.find(spd_magic, spd_offset) if spd_offset < 0: print('No more SPD magic numbers in APCB') break |