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util/apcb/apcb_v3_edit: Add support for LP5X SDRAM 

This commit adds support for LP5X SDRAM.

BUG=b:242765117
TEST=Ran with LP5X SPDs and manually patched APCB

Signed-off-by: Robert Zieba <robertzieba@google.com>
Change-Id: I2d3cb9c9a1523cb4c5149ede1c96a16c3991a5d0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66840
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Robert Zieba 2022-08-17 12:48:06 -06:00 committed by Martin L Roth
parent c4d77128c5
commit 65fe21f1c9
1 changed files with 5 additions and 1 deletions
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6
util/apcb/apcb_v3_edit.py
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@ -15,9 +15,11 @@ import os
# Byte 1 = 0x11 = Revision 1.1
# Byte 2 = 0x11 = LPDDR4X SDRAM
# = 0x13 = LP5 SDRAM
# = 0x15 = LP5X SDRAM
# Byte 3 = 0x0E = Non-DIMM Solution
LP4_SPD_MAGIC = bytes.fromhex('2311110E')
LP5_SPD_MAGIC = bytes.fromhex('2311130E')
LP5X_SPD_MAGIC = bytes.fromhex('2311150E')
EMPTY_SPD = b'\x00' * 512
spd_ssp_struct_fmt = '??B?IIBBBxIIBBBx'
@ -53,7 +55,7 @@ def parseargs():
'--mem_type',
type=str,
default='lp4',
help='Memory type [lp4|lp5]. Default = lp4')
help='Memory type [lp4|lp5|lp5x]. Default = lp4')
return parser.parse_args()
@ -86,6 +88,8 @@ def main():
if args.mem_type == 'lp5':
spd_magic = LP5_SPD_MAGIC
elif args.mem_type == 'lp5x':
spd_magic = LP5X_SPD_MAGIC
spds = []
for spd_source in args.spd_sources: